CN112439257B - Concrete sewage mud recycling method - Google Patents
Concrete sewage mud recycling method Download PDFInfo
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- CN112439257B CN112439257B CN202011364182.2A CN202011364182A CN112439257B CN 112439257 B CN112439257 B CN 112439257B CN 202011364182 A CN202011364182 A CN 202011364182A CN 112439257 B CN112439257 B CN 112439257B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a concrete sewage mud recycling method, which comprises the following steps: 1) Cleaning the concrete machinery, and pouring the cleaned concrete sewage into a car washing tank; 2) The car washing tank conveys diluted concrete sewage to the vibrating screen to separate sand and stone, and the concrete sewage after sand and stone separation is conveyed to the sewage tank; 3) Conveying the sewage to a proportioning tank or a storage tank or a weighing device above the proportioning tank through a sewage tank submersible pump in the sewage tank; 4) When the concrete sewage measured by the weighing device is larger than the preset concentration, the concrete sewage of the weighing device is conveyed into the proportioning tank, and clean water is supplemented into the proportioning tank. The method can realize the recycling of the concrete sewage and realize the zero discharge of the concrete sewage.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a concrete sewage mud recycling method.
Background
The waste residue and wastewater in concrete production are always difficult problems puzzling the concrete industry, the traditional treatment process method is a sand-stone separator and a filter press, water and sediment in sewage are separated to generate clear water and cement waste, only part of aggregate can be recycled, a large amount of waste residue is still generated, zero emission of concrete sewage cannot be achieved, environment is polluted, and the waste of natural resources, manpower, material resources and financial resources are improved.
In fact, practice proves that the concrete sewage slurry can be precipitated to be used as cleaning water for concrete machinery on one hand and can be used as a raw material for concrete stirring in a stirring station on the other hand after being processed by a certain process proportion.
Disclosure of Invention
The invention aims to provide a concrete sewage mud recycling method, so as to solve the problems.
In order to achieve the purpose, the invention discloses a concrete sewage mud recycling method, which comprises the following steps:
1) Cleaning the concrete machinery, and pouring the cleaned concrete sewage into a car washing tank;
2) The car washing tank conveys diluted concrete sewage to the vibrating screen to separate sand and stone, and the concrete sewage after sand and stone separation is conveyed to the sewage tank;
3) The sewage tank submerged pump in the sewage tank is used for conveying the sewage tank submerged pump to a proportioning tank or a storage tank or a weighing device above the proportioning tank;
4) When the concrete sewage measured by the weighing device is larger than the preset concentration, conveying the concrete sewage of the weighing device into the proportioning tank, and supplementing clear water into the proportioning tank;
when the concrete sewage is smaller than or equal to the preset concentration, the concrete sewage in the sewage tank is conveyed into the storage tank, meanwhile, the concrete sewage of the weighing device is conveyed into the proportioning tank, the concrete sewage is conveyed into the storage tank through the proportioning tank submersible pump in the proportioning tank, and then the concrete sewage is pumped out as a raw material for concrete stirring through the storage tank submersible pump in the storage tank.
Further, a recycling system is adopted to recycle concrete sewage mud, the recycling system comprises a carwash tank, a lifting machine, a vibrating screen, a sewage tank, a proportioning tank, a storage tank, a clear water tank and a weighing tank, the output end of the carwash tank is connected with the input end of the lifting machine, the output end of the lifting machine is connected with the input end of the vibrating screen, the output end of the vibrating screen is connected with the sewage tank, a sewage tank submersible pump in the sewage tank is simultaneously connected with the proportioning tank and the weighing tank, a proportioning tank submersible pump in the proportioning tank is connected with the storage tank, a weighing device is arranged on the weighing tank, the output end of the weighing tank is connected with the proportioning tank, a clear water tank submersible pump in the clear water tank is connected with a spray head above the proportioning tank and the carwash tank, a sewage flowmeter is arranged on a pipeline connected with the proportioning tank and the weighing tank, and a clear water flowmeter is arranged on a pipeline connected with the proportioning tank submersible pump.
Further, the upper opening of carwash groove sets up, the bottom of carwash groove is provided with the screw conveyer axle of taking screw conveyer blade.
Further, the top of clear water jar is provided with the precipitation tank, the precipitation tank with clear water jar is connected, and the bottom of this precipitation tank is provided with the precipitate and carries the screw feeder, the output of precipitate carry the screw feeder with the sewage jar is connected, just the sewage jar immersible pump in the sewage jar with the precipitation tank is connected.
Further, the weighing device comprises a weighing frame and a weighing sensor, wherein one end of the weighing sensor is connected with the weighing frame, and the other end of the weighing sensor is connected with the weighing tank.
Further, the weighing sensor is an S-shaped pull type sensor circumferentially distributed along the weighing tank, the upper end of the S-shaped pull type sensor is connected with the weighing frame in a hanging mode, and the lower end of the S-shaped pull type sensor is connected with the weighing tank in a hanging mode.
Further, a third valve is arranged on a pipeline connected with the sewage tank and the proportioning tank, the third valve is arranged at the rear of the sewage flowmeter, the weighing tank is connected with the sewage tank through a detection pipeline connected between the third valve and the sewage flowmeter, and a second valve is arranged on the detection pipeline.
Further, the storage tank is connected with the sewage tank through a bypass pipeline connected between the third valve and the sewage flowmeter, and an eleventh valve is arranged on the bypass pipeline.
Further, the sewage tank, the proportioning tank and the storage tank are all provided with a rotary driving piece and a stirring shaft, the lower end of the stirring shaft is provided with stirring blades, and the upper end of the stirring shaft is in transmission connection with the rotary driving piece.
Further, a sewage tank submersible pump in the sewage tank is connected with a spray head above the car washing tank through a sewage flushing pipeline, and a ninth valve is arranged on the sewage flushing pipeline.
Compared with the prior art, the invention has the advantages that:
the recycling method of the concrete sewage mud can realize the recycling of the concrete sewage, and realize zero emission of the concrete sewage; meanwhile, the proportioning device of the method does not build a sedimentation tank or a slurry pond, does not serve as a foundation, and is very convenient to build and operate; meanwhile, through the weighing mode of the weighing tank, the problems that the probe for measuring the solubility of the concentration sensor is adhered to cement and is inaccurate in measurement, the alkalinity in the cement is relatively strong and easy to break, and the sensor needs to be replaced frequently, so that the production efficiency is affected are avoided.
The invention will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a concrete wastewater slurry recycling method according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a sewage carwash disclosed in a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a clear water car wash disclosed in a preferred embodiment of the invention;
FIG. 4 is an isometric view of a concrete wastewater slurry recycling system according to a preferred embodiment of the present invention;
FIG. 5 is a schematic front view of a storage tank according to a preferred embodiment of the present invention;
FIG. 6 is an isometric view of a weigh tank disclosed in a preferred embodiment of the invention.
Legend description:
1. a proportioning tank; 2. a storage tank; 3. weighing a tank; 4. a car washing tank; 5. a hoist; 6. proportioning tank submersible pump; 7. a storage tank submersible pump; 8. a weighing rack; 9. an S-shaped pull sensor; 10. a sewage scale; 11. a first valve; 12. a third valve; 13. a second valve; 14. a cover plate; 15. a rotary driving member; 16. a stirring shaft; 17. stirring blades; 18. a fourth valve; 19. a sewage flow meter; 20. a stirring station; 21. a chain; 22. guard bars; 23. a clean water tank submersible pump; 24. a spray head; 25. a vibrating screen; 26. a sewage tank; 27. a clean water tank; 28. a sewage tank submersible pump; 29. a screw conveying shaft; 30. a precipitation tank; 31. tap water is connected into the pipeline; 32. a fifth valve; 33. a sixth valve; 34. a seventh valve; 35. an eighth valve; 36. a ninth valve; 37. a sediment conveying auger; 38. a car washing switch; 39. a tenth valve; 40. an eleventh valve; 41. a twelfth valve; 42. a thirteenth valve; 43. a bypass conduit; 44. flushing a pipeline by sewage; 45. a clear water flowmeter; 46. and detecting the pipeline.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1-6, the embodiment of the invention firstly discloses a concrete sewage slurry recycling system, which comprises a carwash tank 4, a lifting machine 5, a vibrating screen 25, a sewage tank 26, a proportioning tank 1, a storage tank 2, a clean water tank 27 and a weighing tank 3, wherein the output end of the carwash tank 4 is connected with the input end of the lifting machine 5, the output end of the lifting machine 5 is connected with the input end of the vibrating screen 25, the output end of the vibrating screen 25 is connected with the sewage tank 26, a sewage tank submersible pump 28 in the sewage tank 26 is connected with the proportioning tank 1, a proportioning tank submersible pump 6 in the proportioning tank 1 is connected with the storage tank 2, and the sewage tank submersible pump 28 in the sewage tank 26 is simultaneously connected with the weighing tank 3, so that when sewage in the sewage tank 26 is input into the proportioning tank 1, the concentration can be measured by the weighing tank 3 through the weighing tank 3. The output end below the weighing tank 3 is connected with the proportioning tank 1, a clean water tank submerged pump 23 in the clean water tank 27 is connected with the proportioning tank 1 and a spray head 24 above the carwash tank 4, and a weighing device is arranged on the weighing tank 3. Wherein, the top opening setting of carwash groove 4, the sewage of concrete plant carwash such as trucd mixer can directly flow into carwash groove 4 in, the bottom of carwash groove 4 is provided with the screw conveyer shaft 29 of taking screw conveyer blade, during the concrete operation, use the trucd mixer to stop the trucd mixer on the carwash station through the driver, open carwash switch 38 (duplex position A or B) and sixth valve 33, the corresponding seventh valve 34 and eighth valve 35 control shower nozzle 24 opens this moment, the clear water in the clean water tank 27 passes through clean water tank immersible pump 23 and gets into the trucd mixer, after 2 minutes of drainage, clean water tank immersible pump 23 is closed, the trucd mixer is through the import of pouring into carwash groove 4 that the spiral conveyer shaft 29 sent the grit sewage to the lifting machine 5 bottom in the washing groove 4 after the stirring washs, lifting machine 5 carries out the screening with the grit sewage, the grit sewage that sieves, and the grit that sieves is passed through recycle, and the sewage directly falls into sewage tank 26 (the agitator in the sewage tank 26 once every five minutes, every time stirs for 2 minutes), and sewage tank 26 can set up for example, can be provided with two and just before two sewage tank 26, the ratio is just before the first, the ratio is just before the setting up in the sewage tank 32, the sewage tank 32 has been changed, and the ratio has just before the first sewage tank 26 has been set up. Meanwhile, the sewage tank submersible pump 28 in the sewage tank 26 is connected with the spray head 24 above the carwash tank 4 through a sewage flushing pipeline 44, and the sewage flushing pipeline 44 is provided with a ninth valve 36.
In this embodiment, the sedimentation tank 30 is disposed above the clean water tank 27, a thirteenth valve 42 is disposed on a pipeline connected between the sedimentation tank 30 and the clean water tank 27, a sediment conveying auger 37 is disposed at the bottom of the sedimentation tank 30, an output end of the sediment conveying auger 37 is connected with the sewage tank 26, sludge precipitated at the bottom of the sewage tank 26 can be returned to the sewage tank 26 for recycling through the sediment conveying auger 37, a sewage tank submersible pump 28 in the sewage tank 26 is connected with the sedimentation tank 30, and a tenth valve 39 is disposed on the connected pipeline, so that clean water is formed through sedimentation of the sedimentation tank 30, and after the clean water is input into the clean water tank 27, the clean water can be used for cleaning a mixer truck and injecting clean water into the proportioning tank 1 to adjust concentration, and of course, a tap water access pipeline 31 is also disposed on the clean water tank 27. When the sewage tank submersible pump 28 is used, referring to fig. 6, when the concentration in the sewage tank submersible pump 28 is relatively small, the sewage tank submersible pump 28 can also be used for directly cleaning sewage of the mixer truck, so that water resources are saved, and the concentration of the sewage re-entering the sewage tank submersible pump 28 can also be increased.
Further, a weighing device is installed on the weighing tank 3, wherein the concentration of the sewage in the proportioning tank 1 is controlled to be within a preset concentration (such as 10%) through measurement of the weighing tank 3, so that concrete sewage with the preset concentration can be continuously used for mixing and stirring concrete in the stirring station 20, recycling of the concrete sewage after the tank body of the stirring truck is cleaned is achieved, and zero emission is achieved. Specifically, weighing device includes weighing frame 8 and weighing sensor, and weighing sensor 'S one end is connected with weighing frame 8, and the other end is connected with weighing tank 3, and specifically, weighing sensor is that S type pull sensor 9,S type pull sensor 9' S upper end articulates with weighing frame 8 through chain 21, and the lower extreme articulates with weighing tank 3 through chain 21. The probe for measuring the solubility relative to the concentration sensor can be stuck to cement, is inaccurate in measurement, has strong alkalinity in the cement and is easy to break, and the sensor needs to be replaced frequently. The invention calculates the solubility by measuring the volume by the sewage flowmeter 19 and combining the weight of the S-shaped pull sensor 9. When the concentration is too high, the clear water flow meter 45 controls the clear water amount required to be added into the proportioning tank 1, so that the device is simple and practical, and the measurement service life of the measurement device is prolonged.
In this embodiment, the lower part of the weighing tank 3 is directly connected to the proportioning tank 1 through the first valve 11, the proportioned sewage is pumped into the storage tank 2 and then pumped onto the sewage scale 10 through the storage tank submersible pump 7, the sewage scale 10 discharges quantitative sewage into the stirring station 20, wherein a fourth valve 18 is arranged on a pipeline connected with the storage tank submersible pump 7 and the sewage scale 10 and is a three-way valve, the reflux of the sewage into the storage tank 2 can be controlled, and a twelfth valve 41 is arranged on a pipeline connected with the sewage scale 10 and the stirring station 20.
In this embodiment, the third valve 12 is disposed on the pipeline connecting the sewage tank 26 and the proportioning tank 1, the third valve 12 is disposed at the rear of the sewage flow meter 19, the weighing tank 3 is connected to the sewage tank 26 through a detection pipeline 46 connected between the third valve 12 and the sewage flow meter 19, the second valve 13 is disposed on the detection pipeline 46, meanwhile, the storage tank 2 is connected to the sewage tank 26 through a bypass pipeline 43 connected between the third valve 12 and the sewage flow meter 19, and the bypass pipeline 43 is provided with the eleventh valve 40, when sewage is output from the sewage tank 26, the third valve 12 and the eleventh valve 40 are closed, the second valve 13 is opened, the sewage enters the sewage tank 26 to measure the concentration (the weight measured by the S-type pull sensor 9 divided by the volume measured by the sewage flow meter 19), and when the concentration is within the target range, the second valve 13 is closed and the eleventh valve 40 is opened, the sewage is directly conveyed into the storage tank 2. When the concentration exceeds the target range, the second valve 13 is closed and the third valve 12 is opened, and the sewage enters the proportioning tank 1 to be proportioned by injecting clean water through the clean water tank 27, so that the concentration is reduced to be within the target range.
In this embodiment, the top of the proportioning tank 1 and the storage tank 2 is provided with a guardrail 22, the bottom is provided with a drain, and the drain is provided with a cover plate 14 in a detachable and sealed manner, so that the proportioning tank 1 and the storage tank 2 can be drained and cleaned.
In this embodiment, in order to keep the concentration of the concrete wastewater in the proportioning tank 1 and the storage tank 2 constant, the proportioning tank 1 and the storage tank 2 are both provided with a rotary driving member 15 and a stirring shaft 16, the lower end of the stirring shaft 16 is provided with a stirring blade 17, and the upper end of the stirring shaft is in transmission connection with the rotary driving member 15.
Then, referring to fig. 1, the embodiment of the invention discloses a concrete sewage slurry recycling method adopting the concrete sewage slurry recycling system, which comprises the following steps:
1) Cleaning the concrete machinery, and pouring the cleaned concrete sewage into the car washing tank 4;
2) The car washing tank 4 conveys diluted concrete sewage to the vibrating screen 25 for separating sand and stone, and the concrete sewage after sand and stone separation is conveyed to the sewage tank 26;
3) A sewage tank submersible pump 28 in the sewage tank 26 is used for conveying the sewage to the proportioning tank 1 or the storage tank 2 or a weighing device above the proportioning tank 1;
4) When the concrete sewage measured by the weighing device is larger than the preset concentration, conveying the concrete sewage of the weighing device into the proportioning tank 1, and supplementing clear water into the proportioning tank 1;
when the concrete sewage is less than or equal to the predetermined concentration, it is indicated that the sewage in the sewage tank 26 can be directly used as a raw material for concrete stirring, the concrete sewage in the sewage tank 26 is conveyed into the storage tank 2, the concrete sewage of the weighing device is conveyed into the proportioning tank 1, the concrete sewage is conveyed into the storage tank 2 through the proportioning tank submersible pump 6 in the proportioning tank 1, and the raw material for concrete stirring can be also used, so that the concrete sewage is pumped into the mixing station 20 through the storage tank submersible pump 4 in the storage tank 2 to be used as a raw material for concrete stirring.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The concrete sewage slurry recycling method is characterized in that a recycling system is adopted for recycling concrete sewage slurry, the recycling system comprises a carwash tank (4), a lifting machine (5), a vibrating screen (25), a sewage tank, a proportioning tank (1), a storage tank (2), a clear water tank (27) and a weighing tank (3), the output end of the carwash tank (4) is connected with the input end of the lifting machine (5), the output end of the lifting machine (5) is connected with the input end of the vibrating screen (25), two sewage tanks are arranged, each sewage tank comprises a first sewage tank and a second sewage tank, and a fifth valve (32) is arranged on a connecting pipeline between the first sewage tank and the second sewage tank; the output end of the vibrating screen (25) is connected with the first sewage tank, the sewage tank submersible pump in the second sewage tank is connected with the proportioning tank (1), the storage tank (2) and the weighing tank (3) at the same time, the proportioning tank submersible pump (6) in the proportioning tank (1) is connected with the storage tank (2), the weighing tank (3) is provided with a weighing device, the output end below the weighing tank (3) is connected with the proportioning tank (1), the clear water tank submersible pump (23) in the clear water tank (27) is connected with the proportioning tank (1) and a spray head (24) above the carwash tank (4), and a sewage flowmeter (19) is arranged on a pipeline connected with the proportioning tank (1) and the weighing tank (3), and the clear water flowmeter (45) is arranged on a pipeline connected with the clear water tank submersible pump (23) and the proportioning tank (1); a settling tank (30) is arranged above the clean water tank (27), the settling tank (30) is connected with the clean water tank (27), a sediment conveying auger (37) is arranged at the bottom of the settling tank (30), the output end of the sediment conveying auger (37) is connected with the second sewage tank, and a sewage tank submersible pump in the second sewage tank is connected with the settling tank (30);
the sewage tank submersible pump in the first sewage tank is connected with the spray head (24) above the carwash tank (4) through a sewage flushing pipeline (44), and a ninth valve (36) is arranged on the sewage flushing pipeline (44);
the method comprises the following steps:
1) Cleaning the concrete machinery, and pouring the cleaned concrete sewage into a car washing tank (4);
2) The car washing tank (4) conveys diluted concrete sewage to the vibrating screen (25) for separating sand and stone, and the concrete sewage after sand and stone separation is conveyed into the first sewage tank;
3) The sewage is conveyed to a proportioning tank (1) or a storage tank (2) or a weighing device above the proportioning tank (1) through a sewage tank submerged pump in the second sewage tank;
4) When the concrete sewage measured by the weighing device is larger than the preset concentration, conveying the concrete sewage of the weighing device into the proportioning tank (1), and supplementing clear water into the proportioning tank (1);
when the concrete sewage is smaller than or equal to the preset concentration, the concrete sewage in the second sewage tank is conveyed into the storage tank (2), meanwhile, the concrete sewage of the weighing device is conveyed into the proportioning tank (1), the concrete sewage is conveyed into the storage tank (2) through the proportioning tank submersible pump (6) in the proportioning tank (1), and then the concrete sewage is pumped out to serve as a raw material for concrete stirring through the storage tank submersible pump (4) in the storage tank (2).
2. The concrete wastewater slurry recycling method according to claim 1, wherein the upper opening of the car washing tank (4) is arranged, and a screw conveying shaft (29) with screw conveying blades is arranged at the bottom of the car washing tank (4).
3. The concrete sewage sludge recycling method according to claim 1, wherein the weighing device comprises a weighing frame (8) and a weighing sensor, one end of the weighing sensor is connected with the weighing frame (8), and the other end of the weighing sensor is connected with the weighing tank (3).
4. A concrete sewage sludge recycling method according to claim 3, wherein the weighing sensor is an S-shaped pull sensor (9) circumferentially arranged along the weighing tank (3), the upper end of the S-shaped pull sensor (9) is hung with the weighing frame (8), and the lower end is hung with the weighing tank (3).
5. The concrete wastewater slurry recycling method according to claim 1, wherein a third valve (12) is arranged on a pipeline connected with the second wastewater tank and the proportioning tank (1), the third valve (12) is arranged behind the wastewater flow meter (19), the weighing tank (3) is connected with the second wastewater tank through a detection pipeline (46) connected between the third valve (12) and the wastewater flow meter (19), and the detection pipeline (46) is provided with a second valve (13).
6. The concrete wastewater sludge recycling method according to claim 5, characterized in that the storage tank (2) is connected with the second wastewater tank through a bypass pipe (43) connected between the third valve (12) and the wastewater flow meter (19), and an eleventh valve (40) is arranged on the bypass pipe (43).
7. The concrete sewage sludge recycling method according to any one of claims 1 to 5, wherein a rotary driving piece (15) and a stirring shaft (16) are arranged on the first sewage tank, the second sewage tank, the proportioning tank (1) and the storage tank (2), the lower end of the stirring shaft (16) is provided with a stirring blade (17), and the upper end of the stirring shaft is in transmission connection with the rotary driving piece (15).
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| CN202011364182.2A CN112439257B (en) | 2020-11-27 | 2020-11-27 | Concrete sewage mud recycling method |
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| CN202011364182.2A CN112439257B (en) | 2020-11-27 | 2020-11-27 | Concrete sewage mud recycling method |
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| CN112439257B true CN112439257B (en) | 2023-08-01 |
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| CN114870735A (en) * | 2022-05-06 | 2022-08-09 | 广西大都混凝土集团有限公司 | Automatic transitional sewage homogenization recycling system and using method thereof |
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| JP2000264751A (en) * | 1999-03-17 | 2000-09-26 | Misawa Homes Co Ltd | Method for recycling waste slurry |
| CN1449323A (en) * | 2000-07-05 | 2003-10-15 | 格雷斯公司 | Method for managing ready-mixed concrete sludge |
| CN208700736U (en) * | 2018-07-15 | 2019-04-05 | 河南中建西部建设有限公司 | Waste water waste pulp recycling device during a kind of concrete production |
| WO2020221631A1 (en) * | 2019-04-30 | 2020-11-05 | Vicat | Method for recycling and recovering concrete sludge |
| CN111072186A (en) * | 2020-01-19 | 2020-04-28 | 中国矿业大学 | A system and method for cleaning the transport tanker of a commercial concrete mixing station and purifying the station sewage |
| CN210477395U (en) * | 2020-02-19 | 2020-05-08 | 广东基础新成混凝土有限公司 | Concrete mortar mixing device |
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