Concrete recycled aggregate carbon sequestration strengthening device

Abstract

A concrete recycled aggregate carbon sequestration strengthening device comprises a containing barrel with a containing cavity formed inside and an opening in the upper end, a sealing cover connected with the opening of the containing barrel and used for sealing the containing cavity, a water storage component arranged in the containing cavity, and a supporting frame located in the containing cavity and arranged above the water storage component. At least one layer of charging tray for laying recycled aggregate is mounted on the supporting frame, a pressure regulating valve, a temperature regulating assembly and a monitoring assembly are arranged on the sealing cover, and an air inlet hole of the pressure regulating valve is connected with external air supply equipment. The carbon sequestration reaction device has the beneficial effects that moisture generated in the carbon sequestration reaction process can be effectively discharged, and the interference of the moisture on the carbonization reaction is avoided, so that the reaction efficiency is improved; the device can adjust the temperature and air pressure required by the reaction, is crucial for optimizing the carbon sequestration process of the recycled aggregate, and is beneficial to improving the performance of the recycled aggregate.

Description

Technical Field

[0001] The utility model relates to the technical field of recycling and reusing building concrete solid waste, in particular to a concrete recycled aggregate carbon fixation strengthening device. Background Art

[0002] Professional terms: 1. Waste concrete refers to the primary waste obtained by dismantling and crushing construction waste. 2. Recycled aggregate refers to the granular solid building material that meets composite requirements after waste concrete is processed by crushing, cleaning, grading and other technical processes. It is usually used to replace natural sand and gravel.

[0003] As the main material for infrastructure construction, concrete has a huge demand for aggregates, but the mining of natural aggregates has been greatly restricted. A large amount of waste concrete is generated during the process of urban organic renewal, and most of them are currently disposed of in piles, which not only occupies precious land resources but also pollutes the environment. Using waste concrete to prepare recycled aggregates is an important way to utilize resources, and the application of recycled aggregates has become an inevitable trend.

[0004] However, recycled aggregates still have the characteristics of large crushing value, high water absorption rate and multiple cracks, which limit their application range. 2 Chemically react with cement hydration products (mainly CH, CSH and AFm), thereby compacting the pore structure of the material and improving its mechanical properties. At present, carbon fixation strengthening technology can effectively improve the performance of recycled aggregates and thus enhance the performance of concrete. However, the existing methods of carbon fixation of recycled aggregates still have some shortcomings, such as low efficiency and unstable aggregate performance. These problems are not only related to the carbon fixation process parameters, but may also be affected by the interference of water during the reaction of recycled aggregates. Utility Model Content

[0005] The utility model aims to solve the problems existing in the above-mentioned prior art and provide a fast and efficient concrete recycled aggregate carbon fixation strengthening device which can adjust the temperature and pressure of the reaction and discharge the reaction water in time to avoid interference from excess water, and is suitable for concrete recycled aggregate.

[0006] The utility model solves the technical problem by adopting a technical solution: the concrete recycled aggregate carbon fixation strengthening device comprises: a loading bucket with a cavity formed inside and an open upper end, a sealing cover connected to the open end of the loading bucket and sealing the cavity, and also comprises:

[0007] A water storage component is arranged in the cavity, and a support frame is located in the cavity and arranged above the water storage component. At least one material tray for laying recycled aggregate is installed on the support frame. A pressure regulating valve, a temperature regulating component and a monitoring component are arranged on the sealing cover. The air inlet of the pressure regulating valve is connected to an external air supply device, and the air outlet of the pressure regulating valve passes through the sealing cover and extends into the cavity. The temperature regulating component has a silicone heating belt surrounding the outer wall of the loading barrel, and the silicone heating belt is used to heat the loading barrel; the monitoring component is arranged on the sealing cover and extends into the cavity to check its internal temperature, humidity and air pressure monitoring.

[0008] Preferably, the material tray is formed by enclosing a plurality of inclined panels, and the horizontal height of the center position of the material tray is higher than the horizontal height of the rear end of the material tray.

[0009] Preferably, the inclination gradient of the inclined panels on the opposite sides along the center of the tray can be set to 72° to 120°.

[0010] Preferably, a through hole is provided at the center of the rear end of the inclined panel.

[0011] Preferably, a sealing ring is installed on the opening of the carrying bucket, and the sealing cover and the carrying bucket press the sealing ring tightly.

[0012] Preferably, the monitoring component comprises a temperature sensor, a humidity sensor and an air pressure sensor, and the temperature sensor, the humidity sensor and the air pressure sensor are all arranged on the sealing cover and extend into the cavity.

[0013] Preferably, the containing bucket is made of stainless steel.

[0014] Preferably, the temperature adjustment component has a control switch, and the control switch is electrically connected to the silicone heating belt.

[0015] Preferably, the water storage component has a supporting portion and a side portion, the size of the supporting portion is larger than the size of the tray, and the side portion is connected to the rear end of the supporting portion, so that the water storage component has a semi-enclosed structure.

[0016] Preferably, a plurality of support blocks are arranged on the bottom of the cavity, the support portion is arranged on the plurality of support blocks, and a gap is provided between the side portion and the inner wall of the cavity.

[0017] The beneficial effects of the utility model are:

[0018] 1. The device can effectively discharge the moisture generated during the carbon fixation reaction, avoiding the interference of moisture on the carbonization reaction, thereby improving the efficiency of the reaction; the device can adjust the temperature and air pressure required for the reaction, which is crucial for optimizing the carbon fixation process of recycled aggregates and helps to improve the performance of recycled aggregates.

[0019] 2. The monitoring component on the sealing cover extending into the cavity can monitor the temperature, humidity and air pressure of the reaction environment in real time, and feed back the data to the temperature control component in conjunction with the pressure regulating valve, thereby automatically adjusting the reaction conditions to ensure the optimal state of the reaction. The device has a simple design structure, is easy to manufacture and maintain, and reduces manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of the concrete recycled aggregate carbon fixation strengthening device;

[0021] Figure 2 It is a top view of the structure of the material tray.

[0022] Explanation of the accompanying drawings: 1-1, material tray; 1-2, water storage component; 1-3, inclined panel; 1-4, through hole; 1-5, support block; 2-1, carrying bucket; 2-2, sealing ring; 2-3, pressure regulating valve; 2-4, sealing cover; 3-1, silicone heating belt; 3-2, control switch; 4-1, temperature sensor; 4-2, humidity sensor; 4-3, air pressure sensor. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] See attached Figure 1 and Figure 2 As shown: a concrete recycled aggregate carbon fixation strengthening device, comprising: a loading barrel 2-1 with a cavity formed inside and an open upper end, a sealing cover 2-4 connected to the loading barrel 2-1 and sealing the cavity, and also comprising: a water storage component 1-2 arranged in the cavity, a support frame located in the cavity and arranged above the water storage component 1-2, at least one layer of material tray 1-1 for laying recycled aggregates is installed on the support frame, a pressure regulating valve 2-3, a temperature regulating component and a monitoring component are arranged on the sealing cover 2-4, the air inlet of the pressure regulating valve 2-3 is connected to an external air supply device, the air outlet of the pressure regulating valve 2-3 passes through the sealing cover 2-4 and extends into the cavity, the temperature regulating component has a silicone heating belt 3-1 surrounding the outer wall of the loading barrel 2-1, the silicone heating belt 3-1 is used to heat the loading barrel 2-1; the monitoring component is arranged on the sealing cover 2-4 and extends into the cavity to check its internal temperature, humidity and air pressure monitoring.

[0025] The holding barrel 2-1 is a container with a cavity formed inside and an open top. The sealing cover 2-4 is connected to the open top of the holding barrel 2-1 and can completely seal the cavity to ensure the closedness of the internal reaction environment. The water storage component 1-2 is arranged in the cavity to collect water generated during the reaction to prevent excess water from affecting the carbon fixation effect. The support frame is located in the cavity and is arranged above the water storage component 1-2 to support the material tray 1-1. The support frame has a multi-layer frame, and the support material tray 1-1 can be set up on the frame to ensure that the recycled aggregate is at a suitable height to facilitate the carbon fixation reaction. In addition, a pressure regulating valve 2-3 is installed on the sealing cover 2-4. , temperature control component and monitoring component. The air inlet of the pressure regulating valve 2-3 is connected to the external gas supply equipment (CO2 cylinder), and the air outlet passes through the sealing cover 2-4 and extends into the cavity, which is used to adjust the air pressure in the cavity to ensure an appropriate carbon dioxide concentration. The temperature control component includes a silicone heating belt 3-1 surrounding the outer wall of the containing barrel 2-1, which is used to control the temperature in the containing barrel 2-1 to ensure optimal reaction conditions. The monitoring component is arranged on the sealing cover 2-4, including a temperature sensor 4-1, a humidity sensor 4-2 and an air pressure sensor 4-3, which are used to monitor the temperature, humidity and air pressure in the cavity in real time, and feed the data back to the system of the control component.

[0026] Preferably, the material tray 1-1 is formed by enclosing a plurality of inclined panels 1-3, and the horizontal height of the center position of the material tray 1-1 is higher than the horizontal height of the rear end of the material tray 1-1.

[0027] The material tray 1-1 is surrounded by a plurality of inclined panels 1-3, and the horizontal height of the center position is higher than the horizontal height of the tail end. Such a design helps moisture flow along the inclined surface and be discharged from the tail end of the material tray 1-1.

[0028] Furthermore, the inclination gradient of the inclined panels 1-3 on both sides opposite to each other along the center of the tray 1-1 can be set to be 72° to 120°.

[0029] The inclined panels 1-3 on both sides of the tray 1-1 have an inclination angle of 72° to 120° along the center. This design further improves the efficiency of water discharge and is also conducive to the uniform distribution of recycled aggregate.

[0030] Furthermore, a through hole 1-4 is provided at the center of the rear end of the inclined panel 1-3.

[0031] A through hole 1-4 is provided at the center of the rear end of the material tray 1-1 to facilitate timely discharge of moisture.

[0032] Preferably, a sealing ring 2-2 is installed on the open opening of the carrying bucket 2-1, and the sealing cover 2-4 and the carrying bucket 2-1 press the sealing ring 2-2 tightly.

[0033] A sealing ring 2-2 is installed on the open mouth of the loading barrel 2-1, and the sealing cover 2-4 is in close contact with the loading barrel 2-1 and is pressed tightly by the sealing ring 2-2 to ensure the sealing of the device. It is worth mentioning that the loading barrel 2-1 and the sealing cover 2-4 can be connected in a threaded manner, or the loading barrel 2-1 and the sealing ring 2-2 can be connected in an extrusion and buckle manner, so that the loading barrel 2-1 and the sealing cover 2-4 squeeze the sealing ring 2-2 against each other to achieve further sealing.

[0034] Preferably, the monitoring component includes a temperature sensor 4-1, a humidity sensor 4-2 and an air pressure sensor 4-3, and the temperature sensor 4-1, the humidity sensor 4-2 and the air pressure sensor 4-3 are all arranged on the sealing cover 2-4 and extend into the cavity.

[0035] The monitoring components include a temperature sensor 4-1, a humidity sensor 4-2 and an air pressure sensor 4-3. These sensors can monitor the temperature, humidity and air pressure in the cavity in real time to ensure that the reaction conditions are always in the best state. Through the data fed back by the monitoring components, the pressure regulating valve 2-3 and the temperature control component can be accurately adjusted to ensure that the temperature, humidity and air pressure in the process of carbon fixation and strengthening of recycled aggregates are within the optimal range. The monitoring components can help to promptly detect abnormal conditions in the reaction process, such as excessively high or low temperature, excessively high or low humidity, insufficient air pressure, etc., so as to make quick adjustments and improve the reaction efficiency. Through precise control of the reaction conditions, the carbon fixation effect of the recycled aggregate can be effectively improved, thereby improving the performance of the recycled aggregate.

[0036] Preferably, the carrying bucket 2-1 is made of stainless steel.

[0037] The container 2-1 made of stainless steel has good corrosion resistance and can work for a long time in an acidic and alkaline environment without being corroded, so it is suitable for long-term use.

[0038] Preferably, the temperature adjustment component has a control switch 3-2, and the control switch 3-2 is electrically connected to the silicone heating belt 3-1.

[0039] The temperature adjustment component includes a control switch 3-2, which is electrically connected to the silicone heating belt 3-1 and can accurately adjust the working state of the heating belt to maintain a suitable reaction temperature.

[0040] Preferably, the water storage component 1-2 has a supporting portion and a side portion, the size of the supporting portion is larger than the size of the tray 1-1, and the side portion is connected to the tail end of the supporting portion, so that the water storage component 1-2 has a semi-enclosed structure.

[0041] It has a support part and a side part. The size of the support part is larger than the size of the tray 1-1. The side part is connected to the tail end of the support part to form a semi-enclosed structure to collect and contain the moisture generated during the reaction.

[0042] Furthermore, a plurality of support blocks 1-5 are arranged on the bottom of the cavity, the support portion is arranged on the plurality of support blocks 1-5, and a gap is provided between the side portion and the inner wall of the cavity.

[0043] A number of support blocks 1-5 are arranged at the bottom of the cavity, the support part is placed on these support blocks 1-5, and a certain gap is left between the side part and the inner wall of the cavity to ensure unimpeded water flow.

[0044] Certain words are used in the specification and claims of this utility model to refer to specific products. It should be understood by those with ordinary knowledge in the art that manufacturers may refer to the same components by different names. This document does not intend to distinguish between components that have the same function but different names. In the following specification and patent scope, the words "comprise", "have" and "include" are open-ended words and should be interpreted as "including but not limited to...".

[0045] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A device for strengthening carbon fixation of recycled aggregates of concrete, comprising: A container barrel with a cavity formed inside and an open top, and a sealing cover connected to the open end of the container barrel and sealing the cavity, characterized in that it also includes: A water storage component is arranged in the cavity, and a support frame is located in the cavity and arranged above the water storage component. At least one material tray for laying recycled aggregate is installed on the support frame. A pressure regulating valve, a temperature regulating component and a monitoring component are arranged on the sealing cover. The air inlet of the pressure regulating valve is connected to an external air supply device, and the air outlet of the pressure regulating valve passes through the sealing cover and extends into the cavity. The temperature regulating component has a silicone heating belt surrounding the outer wall of the loading barrel, and the silicone heating belt is used to heat the loading barrel; the monitoring component is arranged on the sealing cover and extends into the cavity to check its internal temperature, humidity and air pressure monitoring.

2. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 1 is characterized in that: The material tray is formed by enclosing a plurality of inclined panels, and the horizontal height of the center position of the material tray is higher than the horizontal height of the rear end of the material tray.

3. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 2 is characterized in that: The inclination gradient of the inclined panels on the opposite sides along the center of the material tray can be set to 72° to 120°.

4. The device for carbon fixation and strengthening of recycled aggregates of concrete according to claim 2 is characterized in that: A through hole is provided at the center of the rear end of the inclined panel.

5. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 2 is characterized in that: A sealing ring is installed on the open mouth of the carrying barrel, and the sealing cover and the carrying barrel press the sealing ring tightly.

6. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 1 is characterized in that: The monitoring component comprises a temperature sensor, a humidity sensor and an air pressure sensor, and the temperature sensor, the humidity sensor and the air pressure sensor are all arranged on the sealing cover and extend into the cavity.

7. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 5 is characterized in that: The containing barrel is made of stainless steel.

8. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 1 is characterized in that: The temperature adjustment component has a control switch, and the control switch is electrically connected to the silica gel heating belt.

9. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 1, characterized in that: The water storage component comprises a supporting portion and a side portion, the size of the supporting portion is larger than the size of the tray, and the side portion is connected to the rear end of the supporting portion, so that the water storage component is in a semi-enclosed structure.

10. The device for carbon fixation and strengthening of recycled aggregate in concrete according to claim 9, characterized in that: A plurality of supporting blocks are arranged on the bottom of the cavity, the supporting parts are arranged on the plurality of supporting blocks, and a gap is provided between the side parts and the inner wall of the cavity.

Images