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CN217051981U - Minimizing treatment system for building waste mud - Google Patents

Minimizing treatment system for building waste mud Download PDF

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Publication number
CN217051981U
CN217051981U CN202122794658.2U CN202122794658U CN217051981U CN 217051981 U CN217051981 U CN 217051981U CN 202122794658 U CN202122794658 U CN 202122794658U CN 217051981 U CN217051981 U CN 217051981U
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reaction
mud
building waste
reaction tank
reaction device
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CN202122794658.2U
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郭雪
阮智伟
陈麒
唐妹
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Shanghai Centrifuge Institute Co Ltd
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Shanghai Centrifuge Institute Co Ltd
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Abstract

The utility model relates to a system for reducing and treating building waste mud, which relates to the technical field of reducing and treating building waste mud, and comprises a filtering device, a reaction device, a dosing device and a horizontal screw centrifuge; the filtering device is positioned above the reaction device, the reaction device is used for receiving the building waste slurry filtered by the filtering device, and the reaction device is connected with a chemical adding device for providing reaction liquid medicine for the reaction device and a horizontal screw centrifuge for performing solid-liquid separation on the building waste slurry in the reaction device. The utility model has the advantages that the utility model provides a building waste mud's minimizing treatment system, the building waste mud after through this processing system processing can form dregs and clear solution of low moisture content; the clear liquid can be recycled on the construction site or directly discharged outside, the amount of the muck is reduced by 40-60 percent compared with the original mud amount needing to be transported outside, the transportation cost is reduced, the transportation efficiency is improved, and the muck does not drip water and cannot be leaked and sprinkled after being loaded to pollute the environment.

Description

Minimizing treatment system for building waste mud
Technical Field
The utility model relates to a building waste mud minimizing technology field, more specifically say, relate to a building waste mud's minimizing processing system.
Background
With the advance of city construction, pile foundation engineering is increasing. In the pile foundation engineering of engineering construction, the original soil is usually adopted to make a slurry retaining wall for the construction of the cast-in-situ bored pile, but after the density of the recycled slurry is higher than the requirement of the construction specification, the timely treatment of the generated unqualified waste slurry is a difficult problem influencing the engineering construction. The current treatment mode is to use a tank to load and transport the waste slurry on site, and the mode is limited by a plurality of adverse factors, so that a plurality of problems are caused.
For example, after work is done in a construction site, the production amount of waste slurry is huge, the loading and transportation cost is high, the efficiency is low, the environment is polluted due to slurry leakage in the transportation process, the national treatment and supervision of the building waste slurry are more and more strict, and some large cities release local regulations to strictly require the condition of slurry transportation, even forbid the outward transportation and discharge of the slurry.
At present, in part of existing processes, core treatment equipment is adopted as a plate-and-frame filter press to carry out on-site treatment on building waste slurry, but a large amount of conditioner is required to be added into a front-end pretreatment system, the adding amount can reach 30-40%, the aim of reduction is not achieved, even increment is possible, the conditioner can cause alkalization of filtrate and solid residues, the pH value reaches 10-11, and the treatment and disposal of subsequent filtrate also become a big problem.
The foregoing description is provided for general background information and does not necessarily constitute prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a building waste mud's minimizing processing system, building waste mud after handling through this processing system can form dregs and the clear solution of low moisture content, and the clear solution can be built on the building site retrieval and utilization or directly arrange outward, and the amount of dregs is compared in the mud volume minimizing 40-60% of original needs outward transport, and outward transport cost reduces, has improved the conveying efficiency, and the dregs does not drip, can not leak after the loading and spill the polluted environment.
The utility model provides a reduction treatment system of building waste mud, which comprises a filtering device, a reaction device, a dosing device and a horizontal screw centrifuge; the filtering device is positioned above the reaction device, the reaction device is used for receiving the building waste slurry filtered by the filtering device, and the reaction device is connected with the chemical adding device used for providing reaction liquid medicine for the reaction device and the horizontal screw centrifuge used for carrying out solid-liquid separation on the building waste slurry in the reaction device.
Further, the filtering device comprises a vibrating screen, and the reaction device comprises a reaction tank, a first stirrer, a first stirring motor, a dosing pump and a mud pump; the vibrating screen is positioned above the reaction tank, the first stirrer is arranged inside the reaction tank, the reaction tank is connected with the first stirring motor, and the first stirring motor is used for driving the first stirrer to rotate; the dosing pump and the mud pump are respectively arranged on two side edges of the reaction tank; the other end of the dosing pump is connected with the dosing device and is used for pumping liquid medicine in the dosing device into the reaction tank; the other end of the mud pump is connected with the horizontal screw centrifuge and is used for pumping the mud in the reaction tank into the horizontal screw centrifuge.
Further, the vibrating screen comprises a body and a filter plate; the bottom of the body is provided with a filter opening, the edge of the filter opening is provided with a sliding groove, the filter plate is slidably arranged in the sliding groove, and the filter plate is used for covering the filter opening.
Further, the vibrating screen also comprises a motor, a flywheel and a sector gear; a guide plate is arranged at one end of the sector gear, which is far away from the teeth, a sliding hole is arranged on the guide plate, and a shaft hole for penetrating a rotating shaft is arranged between the sliding hole and the sector gear; the motor is provided with the flywheel, one surface of the flywheel facing the guide plate is provided with a sliding rod, the sliding rod is deviated from the axis of the flywheel and is inserted into the sliding hole; the filtering plate is provided with a tooth groove, and the body is provided with a rotating shaft; the teeth of the sector gear are matched with the tooth grooves, and the shaft hole is inserted into the rotating shaft; when the motor rotates, the sliding rod slides up and down in the sliding hole, and then the sector gear is driven to swing around the shaft hole in a reciprocating mode.
Further, the dosing device comprises a medicine storage box body, a medicine storage cover, a second stirrer and a second stirring motor; the medicine storage box body is connected with the medicine feeding pump through the guide pipe, and the medicine storage cover is covered at the opening of the medicine storage box body; the second stirrer is installed inside the medicine storage box body, and the second stirring motor is installed on the medicine storage box body and used for driving the second stirrer to rotate.
Furthermore, a medicine feeding port and a water feeding port which are communicated with the interior of the medicine storage box body are arranged on the medicine storage cover.
Further, a liquid outlet of the horizontal screw centrifuge is communicated with the water filling port and the reaction tank through a conduit.
Further, a material inlet and a material outlet are formed in the body, and when the body is fixed above the reaction tank, the material inlet is located above the material outlet.
Furthermore, the vibrating screen further comprises a shell, and the shell covers the motor, the flywheel and the sector gear.
The utility model provides a minimizing treatment system for construction waste mud, which can form dregs and clear liquid with low water content after the construction waste mud is treated by the treatment system; the clear liquid can be recycled on the construction site or directly discharged outside, the amount of the muck is reduced by 40-60 percent compared with the original mud amount needing to be transported outside, the transportation cost is reduced, the transportation efficiency is improved, and the muck does not drip water and cannot be leaked and sprinkled after being loaded to pollute the environment.
Drawings
Fig. 1 is a schematic structural view of the combination of the filtering device, the reaction device and the dosing device of the system for reducing and treating the building waste mud provided by the embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a filtering apparatus of the reduction processing system in fig. 1.
Fig. 3 is a schematic structural diagram of a motor and a sector gear combination of the reduction processing system of fig. 1.
FIG. 4 is a schematic diagram of the filter board and motor wheel combination of the abatement processing system of FIG. 1.
Fig. 5 is another schematic structural diagram of the filtering apparatus of the reduction processing system in fig. 1.
FIG. 6 is a schematic view showing a combination of a filtering apparatus and a reaction apparatus of the reduction processing system of FIG. 1.
Fig. 7 is a schematic structural diagram of a dosing device of the reduction treatment system in fig. 1.
FIG. 8 is a flow chart of the operation of the system for reducing the amount of construction waste mud of FIG. 1.
Reference numerals and components referred to in the drawings are as follows:
1. filter device 11, vibrating screen 12 and body
13. Filter plate 14, filter port 15 and chute
16. Motor 17, flywheel 18 and sector gear
19. Guide plate 191, slide hole 192, and shaft hole
193. Slide rod 194, tooth socket 195 and rotary shaft
196. Material inlet 197, material outlet 198, casing
2. Reaction device 21, reaction tank 22, first stirrer
23. First stirring motor 24, dosing pump 25 and mud pump
3. Medicine adding device 31, medicine storage box body 32 and medicine storage cover
34. A second stirring motor 35, a medicine adding port 36 and a water adding port
4. Horizontal screw centrifuge 5, conduit
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
Fig. 1 is a schematic structural view of a combination of a filtering device, a reaction device and a dosing device of a reduction treatment system for building waste mud provided by an embodiment of the present invention, and fig. 8 is a work flow diagram of the reduction treatment system for building waste mud in fig. 1. Referring to fig. 1 and 8, the system for reducing the amount of building waste mud provided in this embodiment includes a filtering device 1, a reaction device 2, a chemical adding device 3, and a decanter centrifuge 4; the filtering device 1 is positioned above the reaction device 2, the reaction device 2 is used for receiving the building waste slurry filtered by the filtering device 1, and the reaction device 2 is connected with a chemical adding device 3 for providing reaction liquid medicine for the reaction device 2 and a horizontal screw centrifuge 4 for performing solid-liquid separation on the building waste slurry in the reaction device 2.
It should be noted that the reaction liquid medicine provided by the chemical adding device 3 to the reaction device 2 is a prepared PAM (polyacrylamide) chemical, the horizontal screw centrifuge 4 is a conventional one (specifically, the horizontal screw centrifuge 4 is a large horizontal screw centrifuge, such as LW-820A large horizontal screw centrifuge), and the horizontal screw centrifuge 4 is used for performing solid-liquid separation treatment on the pretreated waste slurry mixed with the PAM chemical.
The utility model provides a system for reducing and treating waste building mud, which can form dregs and clear liquid with low water content through the treated waste building mud; the clear liquid can be recycled on the construction site or directly discharged outside, the amount of the muck is reduced by 40-60 percent compared with the original mud amount needing to be transported outside, the transportation cost is reduced, the transportation efficiency is improved, and the muck does not drip water and cannot be leaked and sprinkled after being loaded to pollute the environment.
Fig. 2 is a schematic structural view of a filter device of the reduction processing system of fig. 1, fig. 3 is a schematic structural view of a motor and a sector gear combination of the reduction processing system of fig. 1, fig. 4 is a schematic structural view of a filter plate and a motor wheel combination of the reduction processing system of fig. 1, and fig. 5 is another schematic structural view of the filter device of the reduction processing system of fig. 1. The filtering device 1 provided by the embodiment comprises a vibrating screen 11, and the reaction device 2 comprises a reaction tank 21, a first stirrer 22, a first stirring motor 23, a dosing pump 24 and a mud pump 25;
the vibrating screen 11 is positioned above the reaction tank 21, and the reaction tank 21 is mainly used for receiving substances filtered from the vibrating screen 11; a first stirrer 22 is arranged in the reaction tank 21, a first stirring motor 23 is connected to the reaction tank 21, and the first stirring motor 23 is used for driving the first stirrer 22 to rotate; the first stirrer 22 is mainly used for mixing and stirring the substances in the reaction tank 21; a dosing pump 24 and a mud pump 25 are respectively arranged on two side edges of the reaction tank 21; the other end of the dosing pump 24 is connected with the dosing device 3 and is used for pumping the liquid medicine in the dosing device 3 into the reaction tank 21; the other end of the mud pump 25 is connected with the feed port of the horizontal decanter centrifuge 4 and is used for pumping the mud in the reaction tank 21 into the horizontal decanter centrifuge 4.
The PAM chemical prepared in the chemical feeder 3 is pumped into the reaction tank 21 by the chemical feeder pump 24. Specifically, the dosing device 3 configures a PAM medicament to be added into the construction mud into a medicament with a concentration of 1-2 per mill.
With further reference to fig. 2-4, the shaker 11 includes a body 12 and a filter 13; the bottom of the body 12 is provided with a filtering port 14, the edge of the filtering port 14 is provided with a sliding groove 15, a filtering plate 13 is slidably arranged in the sliding groove 15, and the filtering plate 13 is used for covering the filtering port 14. The vibrating screen 11 further comprises a motor 16, a flywheel 17 and a sector gear 18; a guide plate 19 is arranged at one end of the sector gear 18 far away from the teeth, a sliding hole 191 is formed in the guide plate 19, and a shaft hole 192 for penetrating a rotating shaft 195 is formed between the sliding hole 191 and the sector gear 18; a flywheel 17 is mounted on the motor 16, a sliding rod 193 is arranged on one surface of the flywheel 17 facing the guide plate 19, the sliding rod 193 is arranged by deviating from the axle center of the flywheel 17, and the sliding rod 193 is inserted into the sliding hole 191; the filtering plate 13 is provided with a tooth groove 194, and the body 12 is provided with a rotating shaft 195; the teeth of the sector gear 18 are matched with the tooth grooves 194, and the shaft hole 192 is sleeved on the rotating shaft 195;
when the motor 16 rotates, the sliding rod 193 slides up and down in the sliding hole 191, and then the sector gear 18 is driven to swing back and forth around the shaft hole 192, so that the filter plate 13 is driven to vibrate back and forth in the chute 15, and the filtering efficiency is improved.
Fig. 7 is a schematic structural diagram of a dosing device of the reduction treatment system in fig. 1. Referring to fig. 7, the medicine adding device 3 includes a medicine storage box 31, a medicine storage cover 32, a second stirrer 33, and a second stirring motor 34; the medicine storage box body 31 is connected with the medicine feeding pump 24 through the guide pipe 5, and the medicine storage cover 32 is covered at the opening of the medicine storage box body 31; a second stirrer (not shown in the figure) is installed inside the medicine storage tank 31, and a second stirring motor 34 is installed on the medicine storage tank 31 for driving the second stirrer to rotate, so as to mix and stir the medicine liquid in the medicine storage tank 31. A medicine feeding port 35 and a water feeding port 36 which are communicated with the interior of the medicine storage box body 31 are arranged on the medicine storage cover 32, the medicine feeding port 35 is used for feeding PAM (polyacrylamide) medicine into the medicine storage box body 31, and the water feeding port 36 is used for feeding clean water into the medicine storage box body 31; the liquid outlet of the horizontal decanter centrifuge 4 is connected to the water filling port 36 and the reaction tank 21 through a conduit 5 (not shown in the figure). And further the water separated by the horizontal decanter centrifuge 4 can be recycled.
FIG. 6 is a schematic view showing a structure of a combination of a filtering apparatus and a reaction apparatus of the reduction processing system of FIG. 1. Referring to fig. 6, the body 12 is provided with a material inlet 196 and a material outlet 197, and when the body 12 is fixed above the reaction tank 21, the material inlet 196 is located above the material outlet 197. The material inlet 196 is arranged above the material outlet 197, so that gradient difference is formed between the material inlet 196 and the material outlet 197, the flowing speed of the building waste mud is increased, and the working efficiency is improved.
As shown in fig. 6, the vibrating screen 11 further includes a housing 198, and the housing 198 covers the motor 16, the flywheel 17 and the sector gear 18, thereby protecting the motor 16, the flywheel 17 and the sector gear 18.
As shown in fig. 8, the work flow of the system for reducing and processing construction waste mud provided by this embodiment:
firstly, pumping construction waste cement generated in pile driving operation of a construction site into a vibrating screen 11 through a pump, directly loading and transporting large-particle impurities left in the vibrating screen 11 away through the filtration of the vibrating screen 11, and enabling slurry filtered by the vibrating screen 11 to flow into a reaction tank 21; at this time, the first stirrer 22 in the reaction tank 21 continuously stirs the slurry inside the reaction tank 21 and adjusts the concentration by adding water to the reaction tank 21;
while the vibrating screen 11 filters, the PAM agent required to be added into the construction mud is prepared into an agent with the concentration of 1-2 per mill by the dosing device 3, and then the PAM agent prepared by the dosing device 3 is pumped into the reaction tank 21 by the dosing pump 24; and continuously stirring the mixing reaction by the first stirrer 22;
then, the mixed liquid of the PAM agent and the slurry in the reaction tank 21 is pumped into a horizontal screw centrifuge 4 through a slurry pump 25, the horizontal screw centrifuge 4 carries out dehydration separation treatment, and the separated solid slag can be transported to a transport tool such as an earthwork vehicle and the like through a transport device 6 (the transport device can be a conveyor belt), or is backfilled as landfill soil on a construction site;
the clear liquid separated by the horizontal decanter centrifuge 4 flows into the reaction tank 21 or the medicine storage box 31 through a liquid separation outlet of the horizontal decanter centrifuge 4;
in addition, the clear liquid separated by the horizontal decanter centrifuge 4 may also flow into the water tank 7 (specifically, may be a large water storage device) through a liquid separation outlet of the horizontal decanter centrifuge 4, and the water pump 8 placed in the water tank 7 is used for pumping out the liquid in the water tank 7 as water for configuring the drug for the drug storage tank 31, or water for adjusting the slurry concentration in the reaction tank 21, or water for direct recycling or discharging on the construction site.
It should be noted that after the building waste slurry is treated by the building waste slurry reduction treatment system, the amount of the residue soil which needs to be transported outside is reduced by 40-60% compared with the amount of the slurry transported outside before treatment, and the clear liquid can be directly recycled or discharged to a municipal sewer pipe network. But at run-time the following factors need to be considered: because the clear solution does not stop recycling in service, the volume can be more and more, but different building sites probably consider according to the actual site circumstances in scene, in the aspect of the control of running cost, need adjust brand, model, the addition of PAM medicament in charge device 3 to adjust horizontal spiral shell centrifuge 4's separation parameter, reach different slag tap and clear solution effects, with the requirement of adaptation building site scene.
In the whole system, the following parameters need to be monitored and controlled:
monitoring and automatically adjusting the concentration and liquid level of the pretreated waste slurry in the pretreatment system 1; controlling the preparation concentration of the PAM flocculant in the dosing system 2; monitoring and automatically controlling various technical parameters of the horizontal decanter centrifuge 31; monitoring and automatic adjustment of the concentration and level of the supernatant in the reuse water system 4. Through the monitoring and control of the parameters, the whole system can automatically operate.
Based on the above description, the utility model discloses the advantage lies in:
1. the utility model provides a system for reducing and treating waste building mud, which can form dregs and clear liquid with low water content through the treated waste building mud; clear liquid can be recycled on a construction site or directly discharged outside, the amount of the muck is reduced by 40-60 percent compared with the original amount of the mud needing to be transported outside, the transportation cost is reduced, the transportation efficiency is improved, and the muck does not drip water and cannot spill to pollute the environment after being loaded.
2. The utility model provides a minimizing processing system of building waste mud separates solid-liquid through spiral shell centrifuge 31 crouches for need not too much interpolation medicament in the processing procedure, handle PAM about only needing 0.5kg of a ton building mud, PAM is polymeric flocculant moreover, does not basically have the influence to filtrating, can not lead to filtrating and solid sediment alkalization.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A reduction treatment system for building waste mud is characterized by comprising a filtering device (1), a reaction device (2), a dosing device (3) and a horizontal screw centrifuge (4); the device is characterized in that the filtering device (1) is located above the reaction device (2), the reaction device (2) is used for receiving the building waste slurry filtered by the filtering device (1), and the reaction device (2) is connected with a dosing device (3) used for providing reaction liquid medicine for the reaction device (2) and a horizontal screw centrifuge (4) used for carrying out solid-liquid separation on the building waste slurry in the reaction device (2).
2. The system for the quantitative reduction of construction waste mud according to claim 1, wherein the filtering device (1) comprises a vibrating screen (11), and the reaction device (2) comprises a reaction tank (21), a first stirrer (22), a first stirring motor (23), a dosing pump (24) and a mud pump (25);
the vibrating screen (11) is positioned above the reaction tank (21), the first stirrer (22) is arranged inside the reaction tank (21), the reaction tank (21) is connected with the first stirring motor (23), and the first stirring motor (23) is used for driving the first stirrer (22) to rotate; the dosing pump (24) and the mud pump (25) are respectively arranged on two side edges of the reaction tank (21); the other end of the dosing pump (24) is connected with the dosing device (3) and is used for pumping the liquid medicine in the dosing device (3) into the reaction tank (21); the other end of the mud pump (25) is connected with a feed inlet of the horizontal screw centrifuge (4) and is used for pumping the mud in the reaction tank (21) into the horizontal screw centrifuge (4).
3. The system for the quantitative reduction of construction waste sludge according to claim 2, wherein the vibrating screen (11) comprises a body (12) and a filtering plate (13); the bottom of body (12) is equipped with filtration mouth (14), the edge of filtration mouth (14) is equipped with spout (15), filter (13) slidable install in spout (15), filter (13) are used for with filtration mouth (14) cover.
4. A system for the quantitative reduction of construction waste mud according to claim 3, characterised in that said vibrating screen (11) further comprises a motor (16), a flywheel (17) and a sector gear (18);
a guide plate (19) is arranged at one end, far away from the teeth, of the sector gear (18), a sliding hole (191) is formed in the guide plate (19), and a shaft hole (192) for penetrating a rotating shaft (195) is formed between the sliding hole (191) and the sector gear (18); the flywheel (17) is installed on the motor (16), a sliding rod (193) is arranged on one surface, facing the guide plate (19), of the flywheel (17), the sliding rod (193) is arranged in a mode of deviating from the axis of the flywheel (17), and the sliding rod (193) is inserted into the sliding hole (191);
the filtering plate (13) is provided with a tooth groove (194), and the body (12) is provided with the rotating shaft (195); the teeth of the sector gear (18) are matched with the tooth grooves (194), and the shaft hole (192) is sleeved on the rotating shaft (195);
when the motor (16) rotates, the slide rod (193) slides up and down in the slide hole (191), and then the sector gear (18) is driven to swing around the shaft hole (192) in a reciprocating mode.
5. The system for reducing the construction waste mud according to claim 2, wherein the chemical feeding device (3) comprises a chemical storage tank body (31), a chemical storage cover (32), a second stirrer (33) and a second stirring motor (34);
the medicine storage box body (31) is connected with the medicine feeding pump (24) through a guide pipe (5), and the medicine storage cover (32) is arranged at the opening of the medicine storage box body (31) in a covering mode; the second stirrer (33) is installed inside the medicine storage box body (31), and the second stirring motor (34) is installed on the medicine storage box body (31) and used for driving the second stirrer (33) to rotate.
6. The system for reducing the amount of construction waste sludge according to claim 5, wherein a chemical adding port (35) and a water adding port (36) which are communicated with the interior of the chemical storage tank body (31) are formed on the chemical storage cover (32).
7. The system for reducing the construction waste sludge according to claim 2, wherein the liquid outlet of the horizontal decanter centrifuge (4) is communicated with the reaction tank (21) through a conduit (5) and a water filling port (36).
8. The system for reducing the amount of construction waste sludge according to claim 3, wherein the body (12) is provided with a material inlet (196) and a material outlet (197), and when the body (12) is fixed above the reaction tank (21), the material inlet (196) is positioned above the material outlet (197).
9. A system for the reduction treatment of construction waste mud as set forth in claim 3 wherein said shaker (11) further comprises a housing (198), said housing (198) housing said motor (16), flywheel (17) and sector gear (18).
CN202122794658.2U 2021-11-15 2021-11-15 Minimizing treatment system for building waste mud Active CN217051981U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122794658.2U CN217051981U (en) 2021-11-15 2021-11-15 Minimizing treatment system for building waste mud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122794658.2U CN217051981U (en) 2021-11-15 2021-11-15 Minimizing treatment system for building waste mud

Publications (1)

Publication Number Publication Date
CN217051981U true CN217051981U (en) 2022-07-26

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ID=82476025

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Application Number Title Priority Date Filing Date
CN202122794658.2U Active CN217051981U (en) 2021-11-15 2021-11-15 Minimizing treatment system for building waste mud

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CN (1) CN217051981U (en)

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