CN211757587U - Soil pollution administers and sewage treatment plant - Google Patents

Soil pollution administers and sewage treatment plant Download PDF

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Publication number
CN211757587U
CN211757587U CN201922188583.6U CN201922188583U CN211757587U CN 211757587 U CN211757587 U CN 211757587U CN 201922188583 U CN201922188583 U CN 201922188583U CN 211757587 U CN211757587 U CN 211757587U
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China
Prior art keywords
soil
sewage treatment
pipe
recovery room
agent
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Application number
CN201922188583.6U
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Chinese (zh)
Inventor
蒋明雨
其他发明人请求不公开姓名
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Chongqing Meinianlai Ecological Agriculture Development Co ltd
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Chongqing Meinianlai Ecological Agriculture Development Co ltd
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Priority to CN201922188583.6U priority Critical patent/CN211757587U/en
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Abstract

The utility model discloses a soil pollution administers and sewage treatment plant belongs to environmental management technical field, including the soil recovery room, soil recovery room internally mounted has the stirring frame, soil conveyer pipe is installed to soil recovery room upper end left side intercommunication, soil conveyer pipe internally mounted has screw conveyer, soil import has been seted up to soil conveyer pipe left end, soil recovery room upper end fixed mounting has the rotating electrical machines, soil recovery room upper end right side is installed through annotating the agent pipe intercommunication and is stored up the agent jar, soil recovery room lower extreme right side intercommunication is installed the calandria, inlay on the calandria and install the dumping valve, soil recovery room lower extreme passes through filter intercommunication installation sewage treatment room. The utility model relates to a novelty, be convenient for operation and excellent in use effect for pollute soil and restorer and carry out stirring more abundant, improved soil treatment efficiency, still can handle the sewage that exists in the contaminated soil, improve the environmental purification rate.

Description

Soil pollution administers and sewage treatment plant
Technical Field
The utility model relates to an environmental management technical field especially relates to a soil pollution administers and sewage treatment plant.
Background
Soil remediation is a technical measure to restore normal function to contaminated soil. Soil remediation refers to the physical, chemical and biological processes used to transfer, absorb, degrade and transform pollutants in soil to reduce their concentration to acceptable levels, or to transform toxic and harmful pollutants into harmless materials. Fundamentally, the technical principle of contaminated soil remediation may include: (1) changing the existing form of the pollutants in the soil or the combination mode of the pollutants and the soil, and reducing the mobility and bioavailability of the pollutants in the environment; (2) the concentration of harmful substances in the soil is reduced. Sewage treatment refers to a process of purifying sewage to meet the water quality requirement for discharging into a certain water body or reusing. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
Patent No. CN108160691A discloses a soil pollution treatment device, which comprises a base, a tank body, an inlet and an outlet, a water tank and a collection box, and is characterized in that the left end and the right end of the upper surface of the base are respectively and fixedly connected with a left fixing plate and a right fixing plate, the tank body is arranged between the left fixing plate and the right fixing plate, the interior of the stirring shaft is hollow, a plurality of stirring rods are distributed on the stirring shaft, a water pump is fixedly connected with the interior of the water tank, a driven shaft is arranged above the stirring shaft, the driven shaft is rotatably connected with the right fixing plate, the stirring shaft is connected with the driven shaft through a conveyor belt, the soil is stirred by the stirring rods, a soil repairing agent is sprayed while stirring, the soil is more fully contacted with the soil repairing agent, the soil treatment efficiency is improved, the tank body rotates, the direction of the stirring shaft is opposite to the tank body, the vibration generated when the present invention is operated can be reduced.
The above patents have the following disadvantages: 1. when the polluted soil is subjected to recovery treatment, the larger soil blocks in the polluted soil cannot be crushed, the polluted soil cannot be stirred with the recovery agent more fully, and the soil treatment efficiency is reduced; 2. when the polluted soil is recovered, the soil recovery agent is inconvenient to add, and the addition amount and the addition speed of the soil recovery agent cannot be controlled; 3. it is impossible to treat the sewage existing in the contaminated soil. Therefore, a soil pollution treatment and sewage treatment device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a soil pollution treatment and sewage treatment device, which has novel design, convenient operation and good use effect, and aims to crush larger soil blocks in the polluted soil when the polluted soil can be recovered through a stirring frame, so that the polluted soil and a recovery agent are stirred more fully, and the soil treatment efficiency is improved; through the pressure regulating machine, the soil restoration agent can be conveniently added when the polluted soil restoration treatment is carried out, the addition amount and the addition speed of the soil restoration agent can be conveniently controlled, and the soil treatment efficiency is improved; through the sewage treatment room, can handle the sewage that exists in the contaminated soil, improve the environmental purification rate.
The utility model provides a specific technical scheme as follows:
the utility model provides a soil pollution treatment and sewage treatment device, which comprises a soil recovery chamber, wherein a stirring frame is arranged in the soil recovery chamber, a soil conveying pipe is arranged on the left side of the upper end of the soil recovery chamber in a communicating manner, a spiral conveying frame is arranged in the soil conveying pipe, a soil inlet is arranged at the left end of the soil conveying pipe, a rotating motor is fixedly arranged at the upper end of the soil recovery chamber, an agent storage tank is arranged on the right side of the upper end of the soil recovery chamber in a communicating manner through an agent injection pipe, a recovering agent injection port is arranged on the left side of the upper end of the agent storage tank, a pressure regulating machine is fixedly arranged on the right side of the upper end of the agent storage tank, an agent injection valve is embedded and arranged on the agent injection pipe, a soil discharge pipe is arranged on the right side of the lower end of the soil recovery chamber in a communicating manner, fixed mounting has alkaline solution nozzle on the inside wall of sewage treatment room left end, the outside alkaline solution conveyer pipe of alkaline solution nozzle intercommunication, fixed mounting has the acid solution nozzle on the inside wall of sewage treatment room right-hand member, the outside acid solution conveyer pipe of acid solution nozzle intercommunication, the drain pipe is installed to sewage treatment room lower extreme right side intercommunication, inlay on the drain pipe and install the drain valve, sewage treatment room fixed mounting is on the base of lower extreme, soil conveyer pipe and storage agent jar are all connected on the lateral wall of soil recovery room through the welding support frame.
Optionally, the spiral conveying frame is installed on the bearing column in a surrounding mode, a connecting shaft neck is fixedly installed at one end of the bearing column, a transmission belt is installed on the connecting shaft neck in a winding mode, the other end of the transmission belt is installed on the rotating shaft neck in a winding mode, and the rotating shaft neck is fixedly installed at the front end of the variable-frequency driving motor.
Optionally, the stirring frame comprises a stirring rod, a bearing rod and a connecting rod, the bearing rod is fixedly installed at the center of the stirring frame, the stirring rod is connected and installed on the bearing rod through the connecting rod, a crushing blade is fixedly installed on the stirring rod, an upper bearing sleeve is fixedly installed at the upper end of the bearing rod, and a lower bearing sleeve is fixedly installed at the lower end of the bearing rod.
Optionally, the filter comprises a filter screen and filter cloth, the filter screen is installed on the upper layer of the filter in a covering mode, and the filter cloth is installed on the lower layer of the filter in a covering mode.
Optionally, the rotating motor is electrically connected with an external power supply and a switch, the pressure regulating machine is electrically connected with the external power supply and the switch, and the variable frequency driving motor is electrically connected with the external power supply and the switch.
The utility model has the advantages as follows:
1. the utility model relates to a novelty, convenient to operate and excellent in use effect, through being equipped with the stirring frame, pollute soil and throw in from soil import department, frequency conversion driving motor works, it is rotatory to drive the rotating shaft neck, the rotating shaft neck drives the connecting shaft neck through driving belt and rotates, the connecting shaft neck drives the screw conveyor frame through the bearing post and rotates, the screw conveyor frame is helical structure, when rotatory, carry on conveying and pollute soil and get into in the soil recovery room, the rotating motor circular telegram is worked, the stirring frame that drives the soil recovery indoor portion rotates, install crushing blade on the mixer frame, when rotatory, can carry out crushing treatment to the great clod in the pollution soil, make it break into fluffy soil, conveniently stir with soil recovery agent fully, thereby, resume and pollute soil, so, when can resume to pollute soil, carry on crushing treatment to the great clod in the soil, the contaminated soil and the recovery agent are stirred more fully, and the soil treatment efficiency is improved.
2. The utility model discloses a be equipped with the pressure regulating machine, the soil restoration agent of capacity is equipped with in the storage agent jar, when stirring contaminated soil, open the injection valve on the injection pipe, then, open switch, pressure regulating machine circular telegram work, in intaking the storage agent jar with external air suction, increase the pressure in the storage agent jar, through control pressure regulating machine circular telegram volume, control pressure regulating machine rotational speed, thereby control pressure regulating machine pressure boost intensity, make the speed that control added soil restoration agent, the volume that soil restoration agent added has been controlled, thus, can pollute when soil restoration handles, conveniently add soil restoration agent, the addition and the add speed of soil restoration agent of being convenient for control, improve soil treatment efficiency.
3. The utility model discloses a be equipped with the sewage treatment room, when stirring contaminated soil, the sewage that pollutes in the soil can be at soil recovery room lower extreme, filter through the filter, contain filter screen and filter cloth in the filter, only filter sewage to the sewage treatment indoor, alkaline solution is carried to the alkaline solution nozzle to the outdoor alkaline solution conveyer pipe of sewage treatment, spout through the alkaline solution nozzle to the indoor sewage of sewage treatment, carry out the acidic sewage in the neutralization sewage, the outdoor acidic solution conveyer pipe of sewage treatment carries acidic solution to the acidic solution nozzle, spout through the acidic solution nozzle to the indoor sewage of sewage treatment, carry out the alkaline sewage in the neutralization sewage, so, can handle the sewage that exists in the contaminated soil, improve the environmental purification rate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a soil pollution control and sewage treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a screw conveyor structure of a soil pollution control and sewage treatment device according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a mixer frame of the soil pollution treatment and sewage treatment device according to the embodiment of the present invention;
FIG. 4 is a schematic diagram of a filter structure of a soil pollution control and sewage treatment apparatus according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the circuit control of the soil pollution treatment and sewage treatment device according to the embodiment of the present invention.
In the figure: 1. a base; 2. a sewage treatment chamber; 3. an alkaline solution delivery pipe; 4. an alkaline solution nozzle; 5. a filter; 6. a support frame; 7. a soil inlet; 8. a soil delivery pipe; 9. a screw conveyor; 10. a rotating electric machine; 11. an injection valve; 12. a restorative injection port; 13. a pressure regulating machine; 14. a storage tank; 15. an agent injection pipe; 16. a soil recovery room; 17. a mixer frame; 18. a dump valve; 19. a waste pipe; 20. an acid solution nozzle; 21. an acid solution delivery pipe; 22. a drain valve; 23. a drain pipe; 24. a bearing post; 25. connecting the shaft neck; 26. a drive belt; 27. a variable frequency drive motor; 28. a rotating journal; 29. an upper bearing sleeve; 30. crushing the blade; 31. a stirring rod; 32. a lower bearing sleeve; 33. a bearing rod; 34. a connecting rod; 35. filtering with a screen; 36. and (5) filtering the cloth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A soil pollution control and sewage treatment apparatus according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5.
Referring to fig. 1, a soil pollution treatment and sewage treatment device provided by the embodiment of the present invention comprises a soil recovery chamber 16, a stirring frame 17 is installed inside the soil recovery chamber 16, a soil conveying pipe 8 is installed on the left side of the upper end of the soil recovery chamber 16 in a communicating manner, a screw conveyor 9 is installed inside the soil conveying pipe 8, a soil inlet 7 is opened at the left end of the soil conveying pipe 8, a rotating motor 10 is fixedly installed on the upper end of the soil recovery chamber 16, an agent storage tank 14 is installed on the right side of the upper end of the soil recovery chamber 16 in a communicating manner through an agent injection pipe 15, an agent injection port 12 is opened on the left side of the upper end of the agent storage tank 14, a pressure regulating machine 13 is fixedly installed on the right side of the upper end of the agent storage tank 14, an agent injection valve 11 is installed on the agent injection pipe 15 in an embedding manner, a soil discharge pipe 19 is installed on the right side of the lower end of, the lower end of the soil recovery chamber 16 is communicated with the sewage treatment chamber 2 through a filter 5, the left inner side wall of the sewage treatment chamber 2 is fixedly provided with an alkaline solution nozzle 4, the alkaline solution nozzle 4 is communicated with an external alkaline solution conveying pipe 3, the right inner side wall of the sewage treatment chamber 2 is fixedly provided with an acidic solution nozzle 20, the acidic solution nozzle 20 is communicated with an external acidic solution conveying pipe 21, the right side of the lower end of the sewage treatment chamber 2 is communicated with a drainage pipe 23, the drainage pipe 23 is embedded with a drainage valve 22, the sewage treatment chamber 2 is fixedly arranged on a base 1 at the lower end, the soil conveying pipe 8 and a storage tank 14 are both connected on the outer side wall of the soil recovery chamber 16 through a welding support frame 6, so that the contaminated soil and the recovery agent are stirred more fully, the soil treatment efficiency is improved, and the sewage existing in the contaminated soil can be, the environmental purification rate is improved.
Referring to fig. 2, the spiral conveying frame 9 is installed on a bearing column 24 in a surrounding manner, a connecting shaft neck 25 is fixedly installed at one end of the bearing column 24, a transmission belt 26 is installed on the connecting shaft neck 25 in a winding manner, the other end of the transmission belt 26 is installed on a rotating shaft neck 28 in a winding manner, the rotating shaft neck 28 is fixedly installed at the front end of a variable frequency driving motor 27, the spiral conveying frame 9 is of a spiral structure, and when the spiral conveying frame rotates, contaminated soil is conveyed into the soil recovery chamber 16.
Referring to fig. 3, agitator frame 17 comprises puddler 31, bearing bar 33 and connecting rod 34, bearing bar 33 fixed mounting is in agitator frame 17 center, puddler 31 passes through connecting rod 34 and connects and install on bearing bar 33, fixed mounting has broken blade 30 on the puddler 31, bearing bar 33 upper end fixed mounting has last bearing housing 29, bearing bar 33 lower extreme fixed mounting has lower bearing housing 32, and agitator frame can carry out the more abundant of stirring with the revitalizing agent contaminated soil, improves soil treatment efficiency.
Referring to fig. 4, the filter 5 is composed of a filter screen 35 and a filter cloth 36, the filter screen 35 is installed on the upper layer of the filter 5 in a covering manner, the filter cloth 36 is installed on the lower layer of the filter 5 in a covering manner, and the filter screen 35 and the filter cloth 36 only filter sewage into the sewage treatment chamber.
Referring to fig. 5, the rotating electrical machine 10 is electrically connected to an external power source and a switch, the voltage regulator 13 is electrically connected to the external power source and the switch, and the variable frequency driving motor 27 is electrically connected to the external power source and the switch and is controlled to be powered on by the external power source.
The embodiment of the utility model provides a soil pollution treatment and sewage treatment device, when using, the rotating electrical machines 10, the pressure regulating machine 13 and the frequency conversion driving motor 27 are all supplied with power by the external power source, through being equipped with the stirring frame 17, the polluted soil is thrown from the soil import 7, the frequency conversion driving motor 27 works, drive the rotation shaft neck 28 to rotate, the rotation shaft neck 28 drives the connection shaft neck 25 to rotate through the driving belt 26, the connection shaft neck 25 drives the spiral conveying frame 9 to rotate through the bearing column 24, the spiral conveying frame 9 is of a spiral structure, when rotating, the polluted soil is conveyed to enter the soil recovery chamber 16, the rotating electrical machines 10 is electrified to work, drive the stirring frame 17 inside the soil recovery chamber 16 to rotate, the crushing blade 30 is installed on the stirring frame 17, when rotating, the larger soil blocks in the polluted soil can be crushed, the soil is crushed into fluffy soil, the soil conditioner is convenient to be fully stirred with the soil conditioner, so that the polluted soil is recovered, and thus, when the polluted soil is recovered, larger soil blocks in the polluted soil are crushed, the polluted soil and the conditioner are more fully stirred, and the soil treatment efficiency is improved; by arranging the pressure regulator 13, the storage tank 14 is filled with sufficient soil recovery agent, when the polluted soil is stirred, the injection valve 11 on the injection pipe 15 is opened, then the power switch is turned on, the pressure regulator 13 is powered on to work, external air is sucked into the storage tank 14, the pressure in the storage tank 14 is increased, the rotating speed of the pressure regulator 13 is controlled by controlling the power on of the pressure regulator 13, the pressurizing strength of the pressure regulator 13 is controlled, the speed of adding the soil recovery agent is controlled, and the adding amount of the soil recovery agent is controlled, so that the soil recovery agent can be conveniently added when the polluted soil is recovered, the adding amount and the adding speed of the soil recovery agent are conveniently controlled, and the soil treatment efficiency is improved; through being equipped with sewage treatment room 2, when stirring contaminated soil, sewage in the contaminated soil can be at 16 lower extremes of soil recovery room, filter through filter 5, contain filter screen 35 and filter cloth 36 in the filter 5, only filter sewage to in sewage treatment room 2, alkaline solution is carried to alkaline solution nozzle 4 to the outside alkaline solution conveyer pipe 3 of sewage treatment room 2, spout through alkaline solution nozzle 4 in to the sewage treatment room 2 in, carry out the acid sewage in the neutralization sewage, acid solution is carried to acid solution nozzle 20 to the outside acidic solution conveyer pipe 21 of sewage treatment room 2, spout through acid solution nozzle 20 in to the sewage treatment room 2 in, carry out the alkaline sewage in the neutralization sewage, so, can handle the sewage that exists in the contaminated soil, improve the environmental purification rate.
The rotating electrical machine 10 is a commercially available ACSM130-G10015LZ model; the pressure regulating machine 13 is a common WY5.2-A type in the market; the variable frequency drive motor 27 is a commercially available model number YE 3.
The utility model relates to a soil pollution treatment and sewage treatment device, which comprises a base 1; a sewage treatment chamber 2; an alkaline solution delivery pipe 3; an alkaline solution nozzle 4; a filter 5; a support frame 6; a soil inlet 7; a soil delivery pipe 8; a screw conveyor 9; a rotating electrical machine 10; an injection valve 11; a restorative injection port 12; a pressure regulating machine 13; a storage tank 14; an injection tube 15; a soil recovery chamber 16; a stirrer frame 17; a soil discharge valve 18; a waste pipe 19; an acid solution nozzle 20; an acid solution delivery pipe 21; a drain valve 22; a drain 23; a bearing post 24; a connecting journal 25; a drive belt 26; a variable frequency drive motor 27; a rotating journal 28; an upper bearing housing 29; a crushing blade 30; a stirring rod 31; a lower bearing sleeve 32; a bearing rod 33; a connecting rod 34; a screen 35; the filter cloth 36 and the above electrical components are all prior art products, and those skilled in the art select, install and complete the debugging operation of the circuit according to the use requirement to ensure that each electrical appliance can work normally, and the components are all universal standard components or components known by those skilled in the art, and the structure and principle thereof are known by the technical manual or by the conventional experimental method, and the applicant does not make specific limitations here.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a soil pollution administers and sewage treatment plant which characterized in that: including soil recovery room (16), soil recovery room (16) internally mounted has stirring frame (17), soil conveying pipe (8) are installed to soil recovery room (16) upper end left side intercommunication, soil conveying pipe (8) internally mounted has screw conveyer frame (9), soil import (7) have been seted up to soil conveying pipe (8) left end, soil recovery room (16) upper end fixed mounting has rotating electrical machines (10), soil recovery room (16) upper end right side is installed storage agent jar (14) through annotating agent pipe (15) intercommunication, restore agent notes mouth (12) have been seted up to storage agent jar (14) upper end left side, storage agent jar (14) upper end right side fixed mounting has pressure regulating machine (13), it annotates agent valve (11) to inlay on annotating agent pipe (15), soil discharge pipe (19) have been installed to soil recovery room (16) lower extreme right side intercommunication, a soil discharge valve (18) is embedded and installed on the soil discharge pipe (19), the lower end of the soil recovery chamber (16) is communicated and installed with the sewage treatment chamber (2) through a filter (5), an alkaline solution nozzle (4) is fixedly arranged on the inner side wall of the left end of the sewage treatment chamber (2), the alkaline solution nozzle (4) is communicated with an external alkaline solution delivery pipe (3), an acid solution nozzle (20) is fixedly arranged on the inner side wall of the right end of the sewage treatment chamber (2), the acid solution nozzle (20) is communicated with an external acid solution delivery pipe (21), a drain pipe (23) is communicated and installed on the right side of the lower end of the sewage treatment chamber (2), a drain valve (22) is embedded on the drain pipe (23), the sewage treatment chamber (2) is fixedly arranged on the base (1) at the lower end, the soil conveying pipe (8) and the agent storage tank (14) are connected to the outer side wall of the soil recovery chamber (16) through a welding support frame (6).
2. A soil pollution abatement and sewage treatment plant as claimed in claim 1, wherein: spiral delivery frame (9) encircle and install on bearing post (24), bearing post (24) one end fixed mounting has connection axle journal (25), it installs driving belt (26) to connect winding on axle journal (25), driving belt (26) other end winding is installed and is rotated axle journal (28), it installs at variable frequency driving motor (27) front end to rotate axle journal (28) fixed mounting.
3. A soil pollution abatement and sewage treatment plant as claimed in claim 1, wherein: stirring frame (17) comprises puddler (31), bearing rod (33) and connecting rod (34), bearing rod (33) fixed mounting is at stirring frame (17) center, puddler (31) are connected through connecting rod (34) and are installed on bearing rod (33), fixed mounting has broken blade (30) on puddler (31), bearing rod (33) upper end fixed mounting has last bearing housing (29), bearing rod (33) lower extreme fixed mounting has lower bearing housing (32).
4. A soil pollution abatement and sewage treatment plant as claimed in claim 1, wherein: the filter (5) comprises a filter screen (35) and a filter cloth (36), the filter screen (35) is installed on the upper layer of the filter (5) in a covering mode, and the filter cloth (36) is installed on the lower layer of the filter (5) in a covering mode.
5. A soil pollution abatement and sewage treatment plant as claimed in claim 2, wherein: the rotating motor (10) is electrically connected with an external power supply and a switch, the pressure regulating machine (13) is electrically connected with the external power supply and the switch, and the variable-frequency driving motor (27) is electrically connected with the external power supply and the switch.
CN201922188583.6U 2019-12-10 2019-12-10 Soil pollution administers and sewage treatment plant Active CN211757587U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922188583.6U CN211757587U (en) 2019-12-10 2019-12-10 Soil pollution administers and sewage treatment plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922188583.6U CN211757587U (en) 2019-12-10 2019-12-10 Soil pollution administers and sewage treatment plant

Publications (1)

Publication Number Publication Date
CN211757587U true CN211757587U (en) 2020-10-27

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Application Number Title Priority Date Filing Date
CN201922188583.6U Active CN211757587U (en) 2019-12-10 2019-12-10 Soil pollution administers and sewage treatment plant

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113578178A (en) * 2021-09-29 2021-11-02 山东淇水环保科技有限公司 Seawater chemical dosing premixing device for marine ecological management

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113578178A (en) * 2021-09-29 2021-11-02 山东淇水环保科技有限公司 Seawater chemical dosing premixing device for marine ecological management

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