CN-122016622-A - Carbonization detection box for concrete durability detection

Abstract

The invention discloses a carbonization detection box for detecting concrete durability, which comprises a box body and a storage mechanism, wherein the storage mechanism is arranged in the box body and comprises a U-shaped storage rack, a first rotary drum, a second rotary drum and a conveying belt, the first rotary drum and the second rotary drum are rotatably arranged in the box body, the conveying belt is arranged between the first rotary drum and the second rotary drum, and the U-shaped storage rack for placing a sample body is fixedly arranged on the outer side of the conveying belt. The top end of the box body is provided with an openable sealing cover. The box body is internally and fixedly provided with a bracket, and the upper surface of the bracket is in sliding fit with the lower surface of the U-shaped storage rack. The carbonization detection box for detecting the durability of the concrete has the advantages of simple structure, practical function and ingenious design, and effectively solves the problem that the carbon dioxide concentration at different positions in the box body of the existing test equipment is different, and errors are easy to cause when a plurality of sample bodies are simultaneously placed for comparison tests.

Inventors

• LI QIANG
• TIAN BING
• HE CUIJIAO
• LIN RONGGUI
• BAO LEI
• LI GUN
• ZHANG GENG
• WANG WEI
• HOU QIANQIAN
• YANG LEI
• SUN YONGXIAO
• ZHOU SHUCHUN
• Yan Yaochen
• LV BIN
• HUI LIN
• HAN KUN
• GUO JIN
• LIU YONGGAN
• PAN DENG
• DONG XINHAI

Assignees

• 中国矿业大学
• 中国国检测试控股集团徐州有限公司

Dates

Publication Date

20260512

Application Date

20260302

Claims (10)

1. 1. The carbonization detection box for concrete durability detection is characterized by comprising a box body (1) and a storage mechanism (3), wherein the storage mechanism (3) is arranged in the box body (1), the storage mechanism (3) comprises a U-shaped storage rack (301), a first rotary drum (305), a second rotary drum (306) and a conveying belt (307), the first rotary drum (305) and the second rotary drum (306) are rotatably arranged in the box body (1), the conveying belt (307) is arranged between the first rotary drum (305) and the second rotary drum (306), and the U-shaped storage rack (301) for placing a sample body (5) is fixedly arranged on the outer side of the conveying belt (307).
2. 2. The carbonization detection box for detecting the durability of concrete according to claim 1 is characterized in that an openable sealing cover is arranged at the top end of the box body (1), and the sealing cover is made of glass material.
3. 3. The carbonization detection box for detecting the durability of concrete according to claim 1 is characterized in that a bracket (104) is fixedly arranged in the box body (1), and the upper surface of the bracket (104) is in sliding fit with the lower surface of the U-shaped storage rack (301).
4. 4. The carbonization detection box for concrete durability detection according to claim 1 is characterized in that a carbon dioxide gas cylinder (4) is arranged on the rear end face of the box body (1) through a fixing belt (401), the carbon dioxide gas cylinder (4) is connected with the box body (1) through a first pipeline (402), a first electromagnetic valve (403) is arranged on the first pipeline (402), a second pipeline (404) is arranged on the box body (1), and a second electromagnetic valve (405) is arranged on the second pipeline (404).
5. 5. The carbonization detection box for detecting concrete durability as set forth in claim 4, characterized in that a first carbon dioxide sensor is provided at the left end of the box body (1), and a second carbon dioxide sensor is provided at the right end of the box body (1).
6. 6. The carbonization detection box for detecting concrete durability according to claim 1 is characterized in that a supporting leg (101) is provided at the bottom end of the box body (1), a motor (102) matched with the second rotary drum (306) is provided at the bottom end of the box body (1), and a control box (103) is fixedly provided at the front end of the box body (1).
7. 7. The carbonization detection box for detecting concrete durability according to claim 1 is characterized in that a sampling mechanism (2) is fixedly arranged at the front end of the box body (1).
8. 8. The carbonization detection box for concrete durability detection according to claim 1, characterized in that the sampling mechanism (2) comprises a sampling box (207) and a first electric cylinder (201), the first electric cylinder (201) is fixedly arranged at the middle position of the box body (1) through a mounting table (202), a second through hole (308) matched with the first electric cylinder (201) is formed in the conveyor belt (307), a through hole (206) matched with the sampling box (207) is formed in the box body (1), a mounting plate (203) is fixedly arranged on the front end face of the box body (1), a second electric cylinder (204) is arranged on the mounting plate (203), a first sealing flashboard (208) is arranged in the sampling box (207), and the first sealing flashboard (208) is driven through the second electric cylinder (204).
9. 9. The carbonization detection box for concrete durability detection according to claim 8 is characterized in that a third electric cylinder (205) is provided on the mounting plate (203), a second sealing shutter (209) is provided in the sampling box (207), the second sealing shutter (209) is driven by the third electric cylinder (205), and the second sealing shutter (209) is provided at the front end of the first sealing shutter (208).
10. 10. The carbonization detection box for detecting concrete durability according to claim 8 is characterized in that a barrier strip (302) matched with the sample body (5) is arranged at the front end of the U-shaped storage rack (301), a first through hole (303) is arranged at the bottom end of the U-shaped storage rack (301), and a fourth electric cylinder (304) matched with the first through hole (303) is arranged at the front end of the mounting table (202).

Description

Carbonization detection box for concrete durability detection Technical Field The invention relates to the field of durability test equipment, in particular to a carbonization detection box for detecting the durability of concrete. Background The carbonization of concrete refers to the process that carbon dioxide in air diffuses into the concrete and reacts with calcium hydroxide in the carbon dioxide to generate calcium carbonate and water. Concrete carbonization is a chemical corrosion to which concrete is subjected. The carbon dioxide gas in the air permeates into the concrete through the fine holes of the hardened concrete, and reacts with the alkaline substance calcium hydroxide to generate carbonate and water, so that the process of reducing the alkalinity of the concrete is called carbonization, also called neutralization, of the concrete. The carbonization detection box for detecting the durability of the concrete is also called a concrete carbonization test box, and is laboratory equipment specially designed for simulating the condition that the concrete is corroded by carbon dioxide in the atmosphere in the actual environment. The patent document with the application number 202421712031.5 discloses a carbonization detection box for detecting the durability of concrete, which comprises a detection box main body, wherein a carbonization mechanism is arranged in the detection box main body, the detection box main body comprises a box body, the carbonization mechanism comprises a carbonization box positioned in the inner cavity of the box body, one end of the carbonization box is in threaded connection with a sealing cover, the surface of the carbonization box is respectively communicated with a first electromagnetic valve and a second electromagnetic valve, the air inlet end of the second electromagnetic valve is communicated with a manual flow regulating valve, the air inlet end of the manual flow regulating valve is communicated with a carbon dioxide gas cylinder, and the surface of the carbonization box is fixedly provided with a carbon dioxide sensor. However, in practical use, it was found that the carbon dioxide concentration was not the same at different locations in the tank, and errors were likely to occur when a plurality of sample bodies were placed simultaneously for control experiments. Therefore, how to develop a novel carbonization detection box for detecting the durability of concrete is a problem to be solved urgently by those skilled in the art. Disclosure of Invention The invention aims to provide a carbonization detection box for detecting concrete durability, which solves the problem that the carbon dioxide concentration of different positions in a box body of the existing test equipment is different, and errors are easy to cause when a plurality of sample bodies are simultaneously placed for comparison tests. In order to solve the technical problems, the invention adopts the following technical scheme: The invention relates to a carbonization detection box for detecting concrete durability, which comprises a box body and a storage mechanism, wherein the storage mechanism is arranged in the box body and comprises a U-shaped storage rack, a first rotary drum, a second rotary drum and a conveying belt, the first rotary drum and the second rotary drum are rotatably arranged in the box body, the conveying belt is arranged between the first rotary drum and the second rotary drum, and the U-shaped storage rack for placing a sample body is fixedly arranged on the outer side of the conveying belt. Further, an openable sealing cover is arranged at the top end of the box body, and the sealing cover is made of glass materials. Further, a bracket is fixedly arranged in the box body, and the upper surface of the bracket is in sliding fit with the lower surface of the U-shaped storage rack. Further, a carbon dioxide gas cylinder is arranged on the rear end face of the box body through a fixing belt, the carbon dioxide gas cylinder is connected with the box body through a first pipeline, a first electromagnetic valve is arranged on the first pipeline, a second pipeline is arranged on the box body, and a second electromagnetic valve is arranged on the second pipeline. Further, a first carbon dioxide sensor is arranged at the left end of the box body, and a second carbon dioxide sensor is arranged at the right end of the box body. Further, the bottom end of the box body is provided with supporting legs, the bottom end of the box body is provided with a motor matched with the second rotary drum, and the front end of the box body is fixedly provided with a control box. Furthermore, the front end of the box body is fixedly provided with a sampling mechanism. Further, the sampling mechanism comprises a sampling box and a first electric cylinder, the first electric cylinder is fixedly arranged at the middle position of the box body through a mounting table, a second through hole matched with the first