A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_URI::$config is deprecated

Filename: core/URI.php

Line Number: 101

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Router::$uri is deprecated

Filename: core/Router.php

Line Number: 127

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated

Filename: database/DB_driver.php

Line Number: 371

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/config/routes.php
Line: 85
Function: DB

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$benchmark is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$hooks is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$config is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$log is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$utf8 is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$uri is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$exceptions is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$router is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$output is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$security is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$input is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$lang is deprecated

Filename: core/Controller.php

Line Number: 75

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$load is deprecated

Filename: core/Controller.php

Line Number: 78

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$wpshortcodes is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/helpers/my_site_helper.php
Line: 3
Function: library

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$db is deprecated

Filename: core/Loader.php

Line Number: 390

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated

Filename: database/DB_driver.php

Line Number: 371

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$layout is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 129

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 278

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 149

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 206

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 295

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_database_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_database_driver.php

Line Number: 333

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 284

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 291

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 306

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 318

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 319

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 377

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$session is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$user_model is deprecated

Filename: core/Loader.php

Line Number: 353

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/My_auth.php
Line: 12
Function: model

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$my_auth is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$my_basic is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$cart is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property My_Tags::$CI is deprecated

Filename: libraries/My_tags.php

Line Number: 12

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/My_tags.php
Line: 12
Function: _error_handler

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$my_tags is deprecated

Filename: core/Loader.php

Line Number: 1290

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 6
Function: __construct

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$content is deprecated

Filename: core/Loader.php

Line Number: 353

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 9
Function: model

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Optional parameter $attributes declared before required parameter $sort_by is implicitly treated as a required parameter

Filename: models/Shop_model.php

Line Number: 406

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 10
Function: model

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$shop is deprecated

Filename: core/Loader.php

Line Number: 353

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 10
Function: model

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Content::$language is deprecated

Filename: controllers/Content.php

Line Number: 12

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 12
Function: _error_handler

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$benchmark is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$hooks is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$config is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$log is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$utf8 is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$uri is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$exceptions is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$router is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$output is deprecated

Filename: core/Loader.php

Line Number: 925

Backtrace:

File: /home/rentatoolv/domains/minhanh.com/public_html/application/libraries/Layout.php
Line: 24
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/application/controllers/Content.php
Line: 131
Function: view

File: /home/rentatoolv/domains/minhanh.com/public_html/index.php
Line: 316
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Dịch vụ siết bu lông thủy lực (Bolting Services).

Dịch vụ siết bu lông thủy lực (Bolting Services).

MinhAnh TechInfo cung cấp giải pháp siết bu lông chính xác cho các mối nối, mặt bích

Trong các hệ thống đường ống, bình chịu áp lực, thiết bị trao đổi nhiệt và máy móc công nghiệp, chất lượng của mối nối mặt bích không chỉ phụ thuộc vào gioăng (Gasket) hay bề mặt làm kín mà còn phụ thuộc rất lớn vào lực siết bu lông.

Việc siết bu lông không đúng lực hoặc không đúng trình tự có thể dẫn đến phân bố tải trọng không đều, làm biến dạng mặt bích, hư hỏng gioăng và gây rò rỉ trong quá trình vận hành.

Minh Anh sử dụng thiết bị hiện đại, cung cấp dịch vụ siết bu lông kiểm soát chính xác lực siết theo yêu cầu thiết kế, góp phần nâng cao độ kín, độ an toàn và độ tin cậy của hệ thống.

Thiết bị sử dụng - Khả năng thi công

Tùy theo yêu cầu kỹ thuật và điều kiện thực tế của từng dự án, Minh Anh sẽ lựa chọn sử dụng thiết bị phù hợp. Các loại thiết bị:

  • Máy siết bu lông thủy lực - Hydraulic Torque Wrench (Square Drive / Low Clearence).
  • Thiết bị kéo căng bu lông – Bolt Tensioner (Onshore / Subsea).
  • Cờ lê lực - Manual Torque Wrench.
  • Súng siết lực - Powered Torque Wrench / Nutrunner.
  • Customized Bolting Solutions.

Minh Anh có khả năng cung cấp giải pháp đặc biệt, áp dụng cho các yêu cầu mang tính phi tiêu chuẩn (Customized Bolting Solutions). Chúng tôi đã xử lý hiệu quả nhiều trường hợp có yêu cầu hạn chế về không gian hoặc có yêu cầu đặc biệt về lực siết, trình tự siết hoặc điều kiện vận hành…

Thiết bị được bảo dưỡng định kỳ hoặc sau mỗi lần sử dụng. Áp dụng nghiêm ngặt chế độ kiểm định/hiệu chuẩn, đảm bảo độ chính xác khi vận hành.

Đầy đủ phụ kiện: Bơm thủy lực, Socket, Choòng lục giác, dây thủy lực . . .

Ứng dụng

Dịch vụ siết bu lông được áp dụng cho nhiều hạng mục như:

  • Mặt bích đường ống.
  • Van công nghiệp.
  • Bình chịu áp lực.
  • Thiết bị trao đổi nhiệt.
  • Bơm và máy nén.
  • Đường ống công nghệ.
  • Thiết bị ngoài khơi – giàn khoan dầu khí.
  • Xây lắp và bảo trì tháp điện gió.
  • Kết cấu cơ khí yêu cầu lực siết chính xác.

Lợi ích của dịch vụ Bolt Services

Sử dụng thiết bị siết bu lông chuyên dụng mang lại nhiều lợi ích:

  • Kiểm soát chính xác lực siết theo yêu cầu thiết kế.
  • Phân bố tải trọng đồng đều trên toàn bộ mặt bích.
  • Nâng cao hiệu quả làm kín của gioăng.
  • Giảm nguy cơ rò rỉ trong quá trình vận hành.
  • Kéo dài tuổi thọ của bu lông, mặt bích và gioăng.
  • Đáp ứng yêu cầu của các dự án dầu khí, hóa chất, điện và công nghiệp nặng.
  • Hạn chế chi phí sửa chữa do sự cố rò rỉ hoặc siết sai lực.

Sử dụng Bolt Services khi nào?

Siết bu lông bằng thiết bị chuyên dụng được áp dụng trong nhiều trường hợp như:

  • Lắp đặt hệ thống đường ống mới.
  • Thay thế gioăng mặt bích.
  • Sau khi thực hiện Flange Facing.
  • Lắp đặt van, bình chịu áp lực và thiết bị trao đổi nhiệt.
  • Các kỳ bảo dưỡng Turnaround hoặc Shutdown nhà máy.
  • Khởi động lại hệ thống sau bảo trì.
  • Các mối nối yêu cầu kiểm soát lực siết chính xác theo tiêu chuẩn kỹ thuật.

Vì sao không nên siết bu lông bằng phương pháp thủ công?

Nhiều mối nối công nghiệp vẫn được siết bằng cờ lê thông thường hoặc súng hơi. Tuy nhiên, các phương pháp này thường khó kiểm soát chính xác lực siết và dễ dẫn đến:

  • Lực siết giữa các bu lông không đồng đều.
  • Biến dạng mặt bích.
  • Gioăng bị ép không đều hoặc hư hỏng.
  • Bu lông làm việc vượt quá giới hạn cho phép.
  • Nguy cơ rò rỉ khi hệ thống vận hành ở áp suất hoặc nhiệt độ cao.

Đối với các hệ thống quan trọng, việc sử dụng thiết bị siết bu lông thủy lực là giải pháp được nhiều nhà máy và chủ đầu tư lựa chọn nhằm đảm bảo chất lượng lắp ghép.

Minh Anh – Đối tác tin cậy trong dịch vụ Bolt Tightening

Minh Anh cung cấp dịch vụ siết bu lông bằng thiết bị thủy lực cho các dự án xây dựng mới, bảo trì định kỳ, Turnaround, Shutdown và sửa chữa khẩn cấp.

Đội ngũ kỹ thuật của chúng tôi được đào tạo về quy trình siết bu lông theo tiêu chuẩn kỹ thuật, kết hợp với thiết bị hiện đại và quy trình kiểm soát chặt chẽ nhằm đảm bảo mỗi mối nối đều đạt lực siết yêu cầu.

Bên cạnh dịch vụ Bolt Tightening (Torquing), Minh Anh còn cung cấp các dịch vụ phay mặt bích (Flange Facing), dịch vụ thi công cơ khí hiện trường và các giải pháp bảo trì cơ khí khác, giúp khách hàng tối ưu thời gian dừng máy, nâng cao độ an toàn và hiệu quả vận hành của hệ thống.