CN115254879A - Muck improving device and method with carbon sequestration function and filler - Google Patents
Muck improving device and method with carbon sequestration function and filler Download PDFInfo
- Publication number
- CN115254879A CN115254879A CN202210789267.8A CN202210789267A CN115254879A CN 115254879 A CN115254879 A CN 115254879A CN 202210789267 A CN202210789267 A CN 202210789267A CN 115254879 A CN115254879 A CN 115254879A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- shell
- feeding
- water
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000009919 sequestration Effects 0.000 title claims abstract description 17
- 239000000945 filler Substances 0.000 title abstract description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 162
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 81
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000002689 soil Substances 0.000 claims abstract description 58
- 238000003756 stirring Methods 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 19
- 238000003763 carbonization Methods 0.000 description 11
- 239000007787 solid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
- B09B3/27—Binding by sodium silicate, e.g. cement or water glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/90—Soil, e.g. excavated soil from construction sites
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The application relates to a muck improving device and method with a carbon sequestration function and a filler, wherein the improving device comprises a feeding device, a stirring device and a detection device; the stirring device comprises a shell, a feeding valve port, an air inlet, a water inlet and a detection port, wherein the feeding valve port, the air inlet, the water inlet and the detection port are arranged on an upper cover of the shell; the feeding device comprises a feeding component, an air inlet component and a water inlet component, wherein the feeding component is positioned above the feeding valve port and used for conveying raw soil and curing agent, and the raw soil is building residue soil; the air inlet assembly and the water inlet assembly are respectively communicated with the air inlet and the water inlet through pipelines and are used for transporting carbon dioxide and water; the upper cover of the shell is provided with a variable frequency motor, the output end of the variable frequency motor penetrates through the upper cover of the shell and is positioned in the shell, and the output end of the variable frequency motor is connected with a stirrer; the detection device is arranged at the detection port and comprises a carbon dioxide concentration sensor and a pressure sensor; and the carbon dioxide concentration sensor and the pressure sensor are used for detecting the change of the pressure concentration of the carbon dioxide in real time and realizing the resource recycling of the muck.
Description
Technical Field
The application relates to the technical field of building muck solidification improvement, in particular to a muck improvement device and method with a carbon fixation function and a filler.
Background
At present, the CCUS (carbon dioxide capture, utilization and sequestration) technology is a new development trend of global governance, can effectively relieve the adverse effect of global warming, and is an important technical path for realizing carbon peak reaching and carbon neutralization in China.
In municipal engineering and urban planning buildings, the amount of waste building residue and soil in China reaches 6.28 hundred million tons by 2022 years according to the speculation of the existing situation, wherein the waste building residue and soil comprise sludge, residue soil, waste soil, engineering residue soil and engineering slurry, and a large amount of stacking wastes land resources and pollutes the ecological environment. If the urban waste building residue soil can be used for preparation and improvement, the method can be used for filling soil and can reduce the pollution of waste concrete to the environment.
Disclosure of Invention
According to the problems, the application provides a muck improving device and method with a carbon fixing function and a filler, so that resources of muck are recycled, and carbon fixation of building soil slag and a curing agent in a stirring process can be effectively realized. The following technical scheme is adopted:
a muck improving device with a carbon sequestration function comprises a feeding device, a stirring device and a detection device;
the stirring device comprises a shell, and a feeding hole, an air inlet, a water inlet and a detection hole which are arranged on an upper cover of the shell, wherein a discharging hole is formed in the bottom of the shell and used for discharging materials;
the feeding device comprises a feeding assembly, an air inlet assembly and a water inlet assembly, wherein the feeding assembly is positioned above the feeding hole and used for conveying raw material soil and curing agents;
the raw material soil is building residue soil which comprises engineering residue soil, engineering slurry and waste soil;
the air inlet assembly and the water inlet assembly are respectively communicated with the air inlet and the water inlet through pipelines and are used for transporting carbon dioxide and water;
the upper cover of the shell is provided with a variable frequency motor, the output end of the variable frequency motor penetrates through the upper cover of the shell and is positioned in the shell, and the output end of the variable frequency motor is connected with a stirrer;
the detection device is arranged at the detection port and comprises a carbon dioxide concentration sensor and a pressure sensor;
the carbon dioxide concentration sensor and the pressure sensor are used for detecting the change of the pressure concentration of the carbon dioxide in real time.
Optionally, the device further comprises an auxiliary device, the auxiliary device comprising a vacuum pump;
and the upper cover of the shell is provided with an air outlet which is communicated with a vacuum pump pipeline.
Optionally, the air intake assembly includes a carbon dioxide high-pressure air storage tank, a check valve and a carbon dioxide flowmeter;
the one-way valve and the carbon dioxide flowmeter are sequentially arranged on a pipeline communicated with the carbon dioxide high-pressure gas storage tank and the gas inlet;
the carbon dioxide flowmeter is used for adjusting the concentration of carbon dioxide entering the shell and controlling the one-way valve to open and close the air inlet of the pipeline.
Optionally, the water inlet assembly comprises a water storage tank, an electromagnetic valve and a flowmeter;
the electromagnetic valve and the flowmeter are sequentially arranged on a pipeline communicated with the water storage tank and the water inlet;
the flowmeter adjusts the water quantity entering the shell and controls the water inlet of the electromagnetic valve on-off pipeline.
Optionally, the feeding assembly is a conveying conveyor belt, and an output end of the conveying conveyor belt is located above the feeding port;
the feeding valve port is provided with a feeding valve.
Optionally, the stirrer is a frame stirrer, and a stirring shaft of the stirrer is detachably connected with the output end of the motor.
Optionally, the detection device further comprises a thermometer for detecting a temperature change in the housing.
Optionally, the housing and the upper cover are detachably connected.
A method for improving muck with carbon sequestration function applies any one of the muck improving devices, and comprises the following steps:
firstly, a first step; the stirring device is electrified and rotated, and raw soil and curing agent are conveyed through the feeding assembly to be thrown into the shell from the feeding hole and collide with the stirrer for mixing;
secondly, performing secondary drying; according to the quality of the proportioned feeding, the feeding component stops feeding, and the feeding hole is closed;
thirdly, performing secondary filtration; then introducing carbon dioxide with corresponding pressure concentration into the air inlet assembly, and then closing the air inlet;
fourthly, performing secondary filtration; then introducing corresponding water into the water inlet assembly, and adjusting the stirring speed of the motor while adding water;
fifthly; after reacting for a period of time, detecting the pressure and concentration of carbon dioxide in the shell by using a carbon dioxide pressure concentration sensor from the detection port, and then opening the discharge port to discharge.
The filler is used for filling parks or highways and is prepared according to the method for improving the muck with the carbon sequestration function.
To sum up, the present application includes the following beneficial effects:
1. according to the invention, the building material is prepared by adopting the raw material soil in the process of introducing carbon dioxide into the soil to form the improved soil in the stirring process, and the raw material soil and the curing agent are fully contacted with the carbon dioxide in the water environment in the stirring process, so that the resource utilization rate of the building muck is improved, the mechanical property of the raw material soil is improved, the capture, utilization and sealing of the carbon dioxide are realized, and the aim of reducing the emission of the carbon dioxide is realized.
2. The stirring device adopts the frame type stirring device, so that the raw material soil and the curing agent can be fully mixed, the frame type stirring contact area is large after the carbon dioxide is introduced and the raw material and the carbon dioxide are added, the carbonization reaction rate can be improved, the motor adopts the variable frequency motor, and different stirring rates can be adopted for different stirring stages to achieve the optimal absorption of the carbon dioxide, so that the mechanical property of the improved soil is improved.
3. The raw materials are pre-stirred before the carbon dioxide is introduced, so that the interior of the improved soil is ensured to be uniformly carbonized when the improved soil reacts with the carbon dioxide, most of the carbonization reaction is generated in the early hydration reaction, and after the carbon dioxide is introduced, the cement curing agent and the cement hydration product can quickly generate the carbonization reaction with the carbon dioxide under the condition of water, so that after the raw materials soil and the curing agent are uniformly stirred and mixed and the carbon dioxide is introduced, the water is added in batches to ensure that the carbon dioxide, the raw materials and the hydration product are fully carbonized.
4. Adopt this device can carry out the soil sediment improvement, and is low in cost, as long as reach certain intensity, the soil of improvement just can be used in the middle of the operating condition, through retrieving dregs and so on, reach resource utilization's purpose, carry out the solid carbon in the improvement, the solid carbon can improve the intensity of improvement soil, test in the laboratory, the contrast does not have the improvement soil of solid carbon behind the solid carbon, intensity has obvious promotion, the solid carbon also can the neutralization part soil ph value, see in the long-term aspect, can increase carbon dioxide's utilization and sealing up.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Description of reference numerals: 1. a housing; 11. a feed inlet; 12. a water inlet; 13. an exhaust port; 14. a detection port; 15. a discharge opening; 16. a feed valve; 2. a feeding device; 21. a conveyor belt; 22. a carbon dioxide high-pressure gas storage tank; 23. a one-way valve; 24. a carbon dioxide flow meter; 25. a water storage tank; 26. an electromagnetic valve; 27. a flow meter; 3. a stirring device; 31. a motor; 32. a stirring shaft; 33. a frame-type stirrer; 4. A detection device; 41. a carbon dioxide concentration sensor and a pressure sensor; 5. an auxiliary device; 51. a vacuum pump; A. raw materials; B. carbon dioxide; C. and (3) water.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses dregs improvement device with solid carbon function realizes that the dregs can absorb carbon dioxide B at the stirring in-process, and the device includes feed arrangement 2, agitating unit 3, detection device 4 and other auxiliary device 5.
As shown in fig. 1, the stirring device 3 includes a casing 1 and a stirrer, a stirring reaction chamber is provided in the casing 1, and the casing is wear-resistant and corrosion-resistant, so as to meet the process requirements of chemical reaction. A feed inlet 11, an air inlet, a water inlet 12, a detection port 14 and an exhaust port 13 are formed in the upper cover of a shell 1 of the device, the raw material A is guaranteed to enter, mechanical sealing is adopted for sealing, a feed valve 16 is arranged on the feed inlet 11, the valve and the feed inlet 11 are closed after the raw material A enters, and therefore it is guaranteed that carbon dioxide B reacts in a closed cavity.
1 body bottom of casing is provided with discharge opening 15, inverter motor 31 is installed to 1 upper cover of casing, its output runs through 1 upper cover of casing and is located casing 1, its output is connected with frame agitator 33, frame agitator 33's (mixing) shaft 32 adopts can dismantle the output of connection at motor 31, frame agitator 33's body also adopts can dismantle the connection, casing 1 is connected for dismantling with its upper cover, detachable construction is for installing through screw nut, modes such as welding do not adopt, detachable construction conveniently unloads the back and the later stage washs, conveniently maintain work, convenient and fast and easy clearance.
This device adopts frame agitator 33 and inverter motor 31, thereby frame agitator 33 can guarantee raw materials A homogeneous mixing fully takes place the reaction, its motor 31 variable frequency speed governing can carry out the speed governing through change frequency or voltage, can adopt different stirring speed to the stirring stage of difference, in order to reach carbon dioxide B's best absorption, but stirring time and speed manual control also the unified control of computer, and can set up speed and time, according to the circumstances such as the mix proportion of the different soil of operating mode, motor 31 speed is different.
Feed arrangement 2 divide into feeding subassembly, admit air subassembly and the subassembly of intaking, and feeding subassembly is transportation conveyer belt 21, and its output is located feed inlet 11 tops, and feed inlet 11 is equipped with feed valve 16, can control opening and closing of feed valve 16, controls raw materials A's input. The raw material A raw material soil and the curing agent mixture are put into the device, the raw material soil is generally building residue soil, and comprises engineering residue soil and engineering slurry, for example, waste soil generated in a stone excavating direction in a building process, or waste mud generated in a shield, and the like, which are used for resource recovery, sludge, residue soil and waste soil, can be recovered after pretreatment, are recycled and improved again, have certain strength, are maintained, and are applied to roadbed fillers, park fillers and the like.
The air inlet device comprises a carbon dioxide high-pressure air storage tank 22, a one-way valve 23 and a carbon dioxide flowmeter 24, wherein the one-way valve 23 and the carbon dioxide flowmeter 24 are sequentially arranged on a pipeline communicated with the air inlet 22 and the carbon dioxide gas storage tank, the carbon dioxide flowmeter 24 is used for adjusting the concentration of carbon dioxide B entering the shell 1 and controlling the electromagnetic valve 26 to open and close the air inlet of the pipeline, when air is fed, the carbon dioxide flowmeter 24 records the concentration of the carbon dioxide B fed into the shell 1, and when the concentration reaches a preset value, the one-way valve 23 is controlled to close the pipeline to stop air inlet.
The water inlet device comprises a water storage tank 25, an electromagnetic valve 26 and a flowmeter 27, wherein the electromagnetic valve 26 and the flowmeter 27 are sequentially installed on a pipeline communicated with the water storage tank 25 and the water inlet 12, the flowmeter 27 adjusts the amount of water entering the shell 1 and controls the electromagnetic valve 26 to open and close the pipeline to feed water, when water enters, the flowmeter 27 records the amount of water flowing into the shell 1, and when the amount of water reaches a preset value, the electromagnetic valve 26 is controlled to close the pipeline to stop water entering.
In the process of adding water, water is added in batches at intervals to ensure that the carbon dioxide B fully generates carbonization reaction with the raw material A and the water carbonization product, the stirring speed and the stirring time are different before and after the water is added, the stirring speed and the stirring time are adjusted by the variable frequency motor 31 after the water is added, so that the stirring speed is increased, the raw material A can quickly react with the carbon dioxide B during the early water carbonization reaction, the absorption of the carbon dioxide B can be improved by adopting different stirring speeds and treatment times before and after the water is added, and the internal uniform carbonization of the improved soil is ensured when the improved soil reacts with the carbon dioxide B.
The detection device 4 comprises a carbon dioxide concentration sensor and a pressure sensor 41, the detection device 4 is installed at the detection port 14, and one end of the carbon dioxide concentration sensor and the pressure sensor 41 penetrates through the detection port 14 and is located at the upper end of the stirring reaction chamber in the shell 1, so as to detect the change of the pressure concentration of the carbon dioxide B in real time. After the raw material soil reacts with the carbon dioxide B when meeting the water C, when the carbon dioxide concentration sensor and the pressure sensor 41 detect that the pressure and the concentration in the stirring reaction chamber are kept stable and unchanged, in order to stop the reaction, the discharge opening 15 can be opened to discharge the materials, and the improved soil fully reacting with the carbon dioxide B is maintained. Preferably, the detection device 4 may also be provided with a thermometer for detecting temperature changes within the housing 1.
Preferably, the device is further provided with an auxiliary device 5, the auxiliary device 5 comprises a vacuum pump 51, an air outlet is arranged on the upper cover of the shell 1 and is communicated with the vacuum pump 51 through a pipeline, and the vacuum pump 51 is used for maintaining the vacuum state in the stirring reaction chamber before the carbon dioxide B is introduced, so as to ensure the pressure concentration of the carbon dioxide B entering the container, and ensure that the carbonization reaction between the raw materials A in the stirring process is stably carried out.
The method for improving the muck with the carbon sequestration function applies the muck improving device of the application and comprises the following steps:
firstly, a first step; after 3 circular telegrams of agitating unit, motor 31 drives frame mixer and rotates in the stirring reaction chamber of casing 1, and the raw materials soil and the curing agent of preliminary homogeneous mixing have simultaneously dropped into the stirring reaction chamber from feed inlet 11 through conveyer belt 21's transportation in-process, raw materials soil and curing agent are dropping into, collide with frame mixer 33 to mix once more.
Secondly, performing secondary drying; according to the quality of the proportioned feeding, the feeding assembly stops feeding, the feeding valve 16 of the feeding hole 11 is closed, the vacuum pump 51 of the auxiliary element starts working, and the gas in the stirring reaction chamber is extracted from the exhaust hole 13.
Thirdly, performing secondary filtration; then, the check valve 23 is opened, carbon dioxide B of a corresponding pressure concentration is introduced from the carbon dioxide high-pressure gas tank 22 according to the flow meter 27, and then the valve is closed.
Fourthly, performing secondary filtration; the electromagnetic valve 26 is opened, the water C added into the water storage tank is added into the shell 1 from the water inlet 12, when the water C passing through the flow meter 27 reaches the specified flow rate, then the electromagnetic valve 26 is closed, and the stirring speed of the motor 31 is adjusted while adding the water. The stirring speed is increased, and the frame stirrer 33 stirs the raw material soil, the curing agent and the water C, so that the contact area of the raw material soil, the curing agent and the water C is ensured, the carbonization reaction is fully performed under the condition that the water C exists, and the uniform carbonization is ensured. During the addition of water, water C is added in batches at intervals to ensure that sufficient carbonation of carbon dioxide B with feedstock A and water C products occurs.
Fifthly; after the reaction for a certain period of time, the pressure and concentration of carbon dioxide B in the casing 1 are detected by the carbon dioxide concentration sensor and the pressure sensor 41 from the detection port 14, and then the discharge port 15 is opened to discharge the material, thereby maintaining the improved soil sufficiently reacted with carbon dioxide B.
The improved soil prepared by the method can be used as a filler for highway filling or park filling, the resource utilization of waste muck and the sealing utilization technology of carbon dioxide are combined, and carbon dioxide is introduced in the process of treating and improving the building muck and a cement curing agent to form the improved soil, so that the resources of the muck are recycled, the physical performance of the improved soil is enhanced to a certain extent by the carbonization reaction of the carbon dioxide, the energy conservation and emission reduction are realized, and the low-carbon development is realized.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a dregs improvement device with gu carbon function which characterized in that: comprises a feeding device, a stirring device and a detection device;
the stirring device comprises a shell, a feeding hole, an air inlet, a water inlet and a detection hole, wherein the feeding hole, the air inlet, the water inlet and the detection hole are formed in an upper cover of the shell;
the feeding device comprises a feeding assembly, an air inlet assembly and a water inlet assembly, wherein the feeding assembly is positioned above the feeding hole and used for conveying raw material soil and curing agents;
the raw material soil is building residue soil which comprises engineering residue soil, engineering slurry and waste soil;
the air inlet assembly and the water inlet assembly are respectively communicated with the air inlet and the water inlet through pipelines and are used for transporting carbon dioxide and water;
the upper cover of the shell is provided with a variable frequency motor, the output end of the variable frequency motor penetrates through the upper cover of the shell and is positioned in the shell, and the output end of the variable frequency motor is connected with a stirrer;
the detection device is arranged at the detection port and comprises a carbon dioxide concentration sensor and a pressure sensor;
the carbon dioxide concentration sensor and the pressure sensor are used for detecting the change of the pressure concentration of the carbon dioxide in real time.
2. The muck improving device with carbon sequestration function according to claim 1, wherein: the apparatus further comprises an auxiliary device comprising a vacuum pump;
and the upper cover of the shell is provided with an air outlet which is communicated with a vacuum pump pipeline.
3. The muck improving device with carbon sequestration function according to claim 1, wherein: the air inlet assembly comprises a carbon dioxide high-pressure air storage tank, a one-way valve and a carbon dioxide flowmeter;
the one-way valve and the carbon dioxide flowmeter are sequentially arranged on a pipeline communicated with the carbon dioxide high-pressure gas storage tank and the gas inlet;
the carbon dioxide flowmeter is used for adjusting the concentration of carbon dioxide entering the shell and controlling the one-way valve to open and close the air inlet of the pipeline.
4. The muck improving device with carbon sequestration function according to claim 1, wherein: the water inlet assembly comprises a water storage tank, an electromagnetic valve and a flowmeter;
the electromagnetic valve and the flowmeter are sequentially arranged on a pipeline communicated with the water storage tank and the water inlet;
the flowmeter adjusts the water quantity entering the shell and controls the water inlet of the electromagnetic valve on-off pipeline.
5. The muck improving device with carbon sequestration function as claimed in claim 1, wherein: the feeding component is a conveying conveyor belt, and the output end of the feeding component is positioned above the feeding hole;
and the feed inlet is provided with a feed valve.
6. The muck improving device with carbon sequestration function as claimed in claim 1, wherein: the stirrer is a frame stirrer, and a stirring shaft of the stirrer is detachably connected with the output end of the motor.
7. The muck improving device with carbon sequestration function according to claim 1, wherein: the detection device also comprises a thermometer for detecting the temperature change in the shell.
8. The muck improving device with carbon sequestration function according to claim 1, wherein: the shell is detachably connected with the upper cover.
9. A method for improving muck with a carbon sequestration function is characterized by comprising the following steps: the muck improving device of any one of claims 1-8, which is applied in the following steps:
firstly, carrying out a first treatment; the stirring device is electrified and rotated, and raw soil and curing agent are conveyed through the feeding assembly to be thrown into the shell from the feeding hole and collide with the stirrer for mixing;
secondly, performing secondary drying; according to the quality of the proportioned feeding, the feeding component stops feeding, and the feeding hole is closed;
thirdly, performing secondary drying; then introducing carbon dioxide with corresponding pressure concentration into the air inlet assembly, and then closing the air inlet;
fourthly, performing secondary filtration; then introducing corresponding water into the water inlet assembly, and adjusting the stirring speed of the motor while adding water;
fifthly; after reacting for a period of time, detecting the pressure and concentration of the carbon dioxide in the shell by using a carbon dioxide pressure concentration sensor from the detection port, and then opening the discharge port for discharging.
10. A filling for parks or highways, characterized in that: the method for improving muck with carbon sequestration function as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210789267.8A CN115254879B (en) | 2022-07-06 | 2022-07-06 | Slag soil improvement device with carbon fixing function, slag soil improvement method and filling material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210789267.8A CN115254879B (en) | 2022-07-06 | 2022-07-06 | Slag soil improvement device with carbon fixing function, slag soil improvement method and filling material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115254879A true CN115254879A (en) | 2022-11-01 |
| CN115254879B CN115254879B (en) | 2023-09-29 |
Family
ID=83763236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210789267.8A Active CN115254879B (en) | 2022-07-06 | 2022-07-06 | Slag soil improvement device with carbon fixing function, slag soil improvement method and filling material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115254879B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116283093A (en) * | 2023-03-10 | 2023-06-23 | 华侨大学 | Manufacturing method of carbonization improved flow solidified soil |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003096817A (en) * | 2001-09-26 | 2003-04-03 | Nittoc Constr Co Ltd | Waste soil improving apparatus |
| CN107825588A (en) * | 2017-11-14 | 2018-03-23 | 中国矿业大学 | A kind of fresh concrete absorbs CO2Agitating device |
| CN110203932A (en) * | 2019-06-05 | 2019-09-06 | 东南大学 | A kind of device and preparation method of foam concrete solidified carbon dioxide |
| CN210711305U (en) * | 2019-10-08 | 2020-06-09 | 成都大学 | Continuous carbonization device for reinforced recycled concrete aggregate |
| CN111498886A (en) * | 2020-04-20 | 2020-08-07 | 华电电力科学研究院有限公司 | By using pure CO2Device and method for treating calcium-based alkaline residues |
| CN211964558U (en) * | 2020-01-16 | 2020-11-20 | 福建南方路面机械股份有限公司 | Building dregs recycling equipment |
| CN113233866A (en) * | 2021-05-26 | 2021-08-10 | 深圳大学 | 3D printing magnesium oxysulfate cement concrete product and maintenance method thereof |
| CN113264752A (en) * | 2021-05-26 | 2021-08-17 | 天应(深圳)生态建材科技有限公司 | 3D printed green magnesium-based cement concrete product and maintenance method thereof |
-
2022
- 2022-07-06 CN CN202210789267.8A patent/CN115254879B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003096817A (en) * | 2001-09-26 | 2003-04-03 | Nittoc Constr Co Ltd | Waste soil improving apparatus |
| CN107825588A (en) * | 2017-11-14 | 2018-03-23 | 中国矿业大学 | A kind of fresh concrete absorbs CO2Agitating device |
| CN110203932A (en) * | 2019-06-05 | 2019-09-06 | 东南大学 | A kind of device and preparation method of foam concrete solidified carbon dioxide |
| CN210711305U (en) * | 2019-10-08 | 2020-06-09 | 成都大学 | Continuous carbonization device for reinforced recycled concrete aggregate |
| CN211964558U (en) * | 2020-01-16 | 2020-11-20 | 福建南方路面机械股份有限公司 | Building dregs recycling equipment |
| CN111498886A (en) * | 2020-04-20 | 2020-08-07 | 华电电力科学研究院有限公司 | By using pure CO2Device and method for treating calcium-based alkaline residues |
| CN113233866A (en) * | 2021-05-26 | 2021-08-10 | 深圳大学 | 3D printing magnesium oxysulfate cement concrete product and maintenance method thereof |
| CN113264752A (en) * | 2021-05-26 | 2021-08-17 | 天应(深圳)生态建材科技有限公司 | 3D printed green magnesium-based cement concrete product and maintenance method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116283093A (en) * | 2023-03-10 | 2023-06-23 | 华侨大学 | Manufacturing method of carbonization improved flow solidified soil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115254879B (en) | 2023-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107572700A (en) | A kind of highly effective and safe sewage sludge press filtration processing unit | |
| CN115254879A (en) | Muck improving device and method with carbon sequestration function and filler | |
| CN109834843B (en) | Concrete production system | |
| CN105820943A (en) | Multistage gas-liquid combined stirring Venturi tube-CSTR reactor | |
| CN206508856U (en) | A kind of pressure dechlorination water washing tank | |
| CN202266212U (en) | Automatic and rapid drilling fluid proportioning device | |
| CN105642177A (en) | Carbide-slag slurry preparing device and method | |
| CN103553287B (en) | Disposal system of municipal dewatering sludge | |
| CN108654544A (en) | A kind of stirring-type reaction kettle being more energy-saving and environmentally friendly | |
| CN215388908U (en) | Steel mixing device for incineration fly ash treatment | |
| CN210999406U (en) | Device is used in modified phosphogypsum production | |
| CN218755352U (en) | Slurry curing equipment | |
| CN219359837U (en) | Asphalt waste powder-based green gel material concrete stirring device | |
| CN219359838U (en) | Efficient production device for asphalt waste powder-based green gel material concrete | |
| CN213725830U (en) | Carbide slag prepares desulfurization thick liquid system | |
| CN220310345U (en) | Curing agent adding and mixing device for sludge brickmaking | |
| CN215619127U (en) | Desulfurization gypsum water-adding slurrying device for concrete production | |
| CN214915637U (en) | Concrete additive processing loading attachment | |
| CN109049333A (en) | Ready-mixed concrete stock stirring device | |
| CN212640248U (en) | Engineering mud dewatering system | |
| CN213254018U (en) | Efficient waterproofing agent agitated vessel | |
| CN217494722U (en) | Inorganic mud of high moisture content and cement mixing stirring equipment | |
| CN214605089U (en) | Concrete mixing device that building site used | |
| CN205361215U (en) | Carbide slag slurrying device | |
| CN216329124U (en) | Automatic concrete production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |