CN214360773U - Intelligent pure water treatment equipment - Google Patents

Intelligent pure water treatment equipment Download PDF

Info

Publication number
CN214360773U
CN214360773U CN202023271572.3U CN202023271572U CN214360773U CN 214360773 U CN214360773 U CN 214360773U CN 202023271572 U CN202023271572 U CN 202023271572U CN 214360773 U CN214360773 U CN 214360773U
Authority
CN
China
Prior art keywords
pure water
water treatment
spring
wall
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202023271572.3U
Other languages
Chinese (zh)
Inventor
李剑锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Zhongnuo Environmental Protection Co ltd
Original Assignee
Guangdong Zhongnuo Environmental Protection Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Zhongnuo Environmental Protection Co ltd filed Critical Guangdong Zhongnuo Environmental Protection Co ltd
Priority to CN202023271572.3U priority Critical patent/CN214360773U/en
Application granted granted Critical
Publication of CN214360773U publication Critical patent/CN214360773U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model discloses an intelligence pure water treatment facilities, the on-line screen storage device comprises a base, four end angles of terminal surface all are provided with logical groove under the base, the top surface fixed mounting who leads to the inslot wall has electric putter, electric putter's lower terminal surface fixedly connected with antiskid ribbed tile, the bilateral symmetry of base surface is provided with four circular slots, the inboard of circular slot is provided with the connecting axle, one side cover of connecting axle surface is equipped with the pivot, the surface cover of pivot is equipped with two mounting panels, the mounting panel inboard evenly is provided with three gyro wheel, the opposite side fixed mounting of circular slot surface has the connecting block, the inboard of circular slot is provided with the movable groove. The utility model discloses be convenient for remove and park, and meet the highway section of jolting and can the shock attenuation by oneself, improved the life of device, and be convenient for dismantle filter 17, be convenient for clear up it, guaranteed the filter effect.

Description

Intelligent pure water treatment equipment
Technical Field
The utility model relates to a pure water treatment facilities technical field specifically is an intelligence pure water treatment facilities.
Background
With the rapid development of social economy, the water purification equipment mainly adopts a reverse osmosis membrane technology, and the working principle of the equipment is that a high-pressure pump applies certain pressure to water to enable water molecules and ionic mineral elements to pass through the reverse osmosis membrane, and as the pore diameter on the reverse osmosis membrane is only 0.0001 micron, the diameter of viruses is generally 0.02-0.4 micron and the diameter of common bacteria is 0.4-1 micron, most of inorganic salts (including heavy metals), organic matters, bacteria, viruses and the like dissolved in the water cannot permeate the reverse osmosis membrane, so that the permeated purified water and the impermeable concentrated water are strictly separated. The intelligent pure water treatment equipment generally needs to pre-treat raw water before adopting a reverse osmosis membrane technology to treat the raw water so as to improve the working efficiency of the reverse osmosis membrane and prevent impurities with large particle size from blocking the reverse osmosis membrane and influencing the service life of the reverse osmosis membrane.
However, the existing intelligent pure water treatment equipment is large in size, does not have a movable adjusting mechanism, can only be fixed in one area for use, is low in application range, and is very inconvenient because the pretreatment equipment needs to frequently take out a filter screen for cleaning, maintenance and replacement; therefore, the existing requirements are not met, and an intelligent pure water treatment device is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intelligence pure water treatment facilities to the current intelligence pure water treatment facilities volume that proposes in solving above-mentioned background is great, does not possess removal adjustment mechanism, can only fix and use in an area, and application range is lower, and pretreatment facilities need often take out the filter screen and wash and maintain the change, very inconvenient scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: an intelligent pure water treatment device comprises a base, wherein four end corners of the lower end surface of the base are respectively provided with a through groove, the top surface of the inner wall of the through groove is fixedly provided with an electric push rod, the lower end surface of the electric push rod is fixedly connected with an antiskid plate, two sides of the outer surface of the base are symmetrically provided with four circular grooves, the inner side of each circular groove is provided with a connecting shaft, one side of the outer surface of each connecting shaft is sleeved with a rotating shaft, the outer surface of each rotating shaft is sleeved with two mounting plates, the inner sides of the mounting plates are uniformly provided with three idler wheels, the other side of the outer surface of each circular groove is fixedly provided with a connecting block, the inner side of each circular groove is provided with a movable groove, the top surface of the inner wall of each movable groove is fixedly provided with an upper spring, the bottom surface of the inner wall of each movable groove is fixedly provided with a lower spring, one side of the upper end surface of the base is provided with a pretreatment box, the upper end surface of which is provided with a cover plate, handles are fixedly installed on two sides of the upper end face of the cover plate, two filter plates are arranged inside the pretreatment box, an opening is arranged below the middle of each filter plate, a jaw A is hinged to the inner side of the opening through a pin shaft, the jaw A is connected with the inner wall of the opening through a spring C, four shells are symmetrically installed below the front end face and the rear end face of the pretreatment box, a through hole is formed below one side of the outer surface of each two shell, which is opposite to the other side, a pressure rod is arranged inside the through hole, a spring B is sleeved on the outer surface of the pressure rod, a jaw B is hinged inside the shell through a short shaft, the inner wall of each shell is connected with the short shaft through a spring A, a guide block is fixedly installed on one side of the top surface of the inner wall of each shell, a pure water treatment box is installed on one side of the pretreatment box, and a reverse osmosis membrane is installed inside the pure water treatment box, and a disinfection box is arranged on the other side of the pure water treatment box, and ultraviolet disinfection lamp tubes are fixedly hung on two sides of the inner wall of the disinfection box.
Preferably, a water inlet is arranged below one side of the outer surface of the pretreatment tank, a water outlet is arranged below the other side of the outer surface of the disinfection tank, and an electromagnetic valve is arranged on the inner side of the water outlet.
Preferably, the lower end face of the upper spring is fixedly connected with the upper end face of the connecting block, the upper end face of the lower spring is fixedly connected with the lower end face of the connecting block, a limiting ring is sleeved on one side of the outer surface of the pressing rod, one end of the spring B is fixedly connected with the outer surface of the limiting ring, and the other end of the spring B is fixedly connected with the inner wall of the through hole.
Preferably, the inside of base is provided with the battery, just the battery with electric putter electric connection, the rear end fixed mounting of base has the push rod, the inner circle fixedly connected with cross axle of gyro wheel, just the cross axle with the mounting panel passes through the bearing and rotates the connection.
Preferably, the pretreatment tank is connected with the pure water treatment tank through a water pipe A, the pure water treatment tank is connected with the disinfection tank through a water pipe B, and a water pump is fixedly mounted on the rear end face of the disinfection tank.
Preferably, the outer surface of the filter plate is coated with a sealing gasket, the sealing gasket is attached to the inner wall of the pretreatment tank, four end corners of the upper end surface of the pretreatment tank are provided with limiting grooves, four end corners of the lower end surface of the cover plate are provided with clamping blocks, and the clamping blocks are clamped into the inner sides of the limiting grooves.
Preferably, the clamping jaw A is matched with the clamping jaw B, one side, close to the opening, of the outer surface of the guide block is an arc surface, and the bottom end of the clamping jaw A is an arc surface.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with an electric push rod, an antiskid plate, a through groove, a roller, a mounting plate, a rotating shaft, a circular groove, a connecting shaft, an upper spring, a connecting block, a movable groove and a lower spring, when the device needs to be moved, a switch of the electric push rod is opened, the electric push rod contracts to drive the antiskid plate to move upwards and leave the ground, at the moment, a base can be pushed by the push rod, when the device is moved and meets uneven road sections, the rotating shaft and the mounting plate are coordinated and matched to rotate, so that the roller is contacted with the ground to be switched, the upper spring and the lower spring can buffer and eliminate vibration, the device is prevented from obvious vibration, equipment can stably pass through uneven ground, after the equipment is moved to a needed position, the switch of the electric push rod is opened, the electric push rod extends to drive the antiskid plate to move downwards until the antiskid plate is contacted with the ground, the switch of the electric push rod is closed, the device is placed stably, the utility model is convenient to move and park, and can automatically absorb shock when encountering a bumpy road section, thereby prolonging the service life of the device;
2. the utility model discloses a be provided with the opening, the round pin axle, spring A, jack catch A, the guide block, spring B, the through-hole, jack catch B, the minor axis, spring C, when needs are cleared up the filter, pull down the apron through the handle earlier, press down the depression bar of one side around simultaneously again, jack catch B clockwise turning, make jack catch B and jack catch A be in the state of staggering completely, lift the filter upwards, jack catch A's cambered surface is moving on the cambered surface along the guide block, spring C is compressed, jack catch A's bottom breaks away from inside the casing, can pull down the filter from the inside of preliminary treatment case this moment, the utility model discloses be convenient for dismantle the filter, be convenient for clear up it, the filter effect has been guaranteed.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a schematic view of a partial structure of the movable trough of the present invention;
FIG. 4 is a partial structural view of the filter plate according to the present invention;
FIG. 5 is a schematic view of a partial structure of an opening of the present invention;
fig. 6 is a schematic view of a partial structure of the jaw a of the present invention.
In the figure: 1. a roller; 2. mounting a plate; 3. a rotating shaft; 4. a base; 5. a push rod; 6. a sterilizing box; 7. a pure water treatment tank; 8. a cover plate; 9. a handle; 10. a pretreatment tank; 11. a housing; 12. a pressure lever; 13. A connecting shaft; 14. a water outlet; 15. ultraviolet ray sterilizing the lamp tube; 16. a reverse osmosis membrane; 17. a filter plate; 18. a water inlet; 19. a circular groove; 20. a through groove; 21. an anti-skid plate; 22. an electric push rod; 23. an upper spring; 24. connecting blocks; 25. a movable groove; 26. a lower spring; 27. an opening; 28. a pin shaft; 29. a spring A; 30. a claw A; 31. a guide block; 32. a spring B; 33. a through hole; 34. a claw B; 35. a minor axis; 36. and a spring C.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The electric push rod 22 (model IS LBP40) and the water pump (model IS 200-150-.
Referring to fig. 1 to 6, the present invention provides an embodiment: an intelligent pure water treatment device comprises a base 4, four end corners of the lower end surface of the base 4 are respectively provided with a through groove 20, the top surface of the inner wall of the through groove 20 is fixedly provided with an electric push rod 22, the lower end surface of the electric push rod 22 is fixedly connected with an antiskid plate 21, two sides of the outer surface of the base 4 are symmetrically provided with four circular grooves 19, the inner sides of the circular grooves 19 are provided with a connecting shaft 13, one side of the outer surface of the connecting shaft 13 is sleeved with a rotating shaft 3, the outer surface of the rotating shaft 3 is sleeved with two mounting plates 2, the inner sides of the mounting plates 2 are uniformly provided with three idler wheels 1, the other side of the outer surface of the circular groove 19 is fixedly provided with a connecting block 24, the inner sides of the circular grooves 19 are provided with a movable groove 25, the top surface of the inner wall of the movable groove 25 is fixedly provided with an upper spring 23, the bottom surface of the inner wall of the movable groove 25 is fixedly provided with a lower spring 26, one side of the upper end surface of the base 4 is provided with a pretreatment tank 10, and the upper end surface of the pretreatment tank 10 is provided with a cover plate 8, handles 9 are fixedly arranged on two sides of the upper end surface of the cover plate 8, two filter plates 17 are arranged inside the pretreatment tank 10, an opening 27 is arranged below the middle of each filter plate 17, the inner side of each opening 27 is hinged with a jaw A30 through a pin shaft 28, the jaw A30 is connected with the inner wall of the opening 27 through a spring C36, four shells 11 are symmetrically arranged below the front end surface and the rear end surface of the pretreatment tank 10, a through hole 33 is arranged below one side of the back of the outer surfaces of every two shells 11, a pressure lever 12 is arranged inside the through hole 33, a spring B32 is sleeved on the outer surface of the pressure lever 12, a jaw B34 is hinged inside the shell 11 through a short shaft 35, the inner wall of the shell 11 is connected with the short shaft 35 through a spring A29, a guide block 31 is fixedly arranged on one side of the top surface of the inner wall of the shell 11, a pure water treatment tank 7 is arranged on one side of the pretreatment tank 10, and a reverse osmosis membrane 16 is arranged inside the treatment tank 7, the other side of the pure water treatment box 7 is provided with a disinfection box 6, and both sides of the inner wall of the disinfection box 6 are fixedly hung with ultraviolet disinfection lamp tubes 15.
Further, a water inlet 18 is arranged below one side of the outer surface of the pretreatment tank 10, a water outlet 14 is arranged below the other side of the outer surface of the disinfection tank 6, and an electromagnetic valve is arranged on the inner side of the water outlet 14.
Through adopting above-mentioned technical scheme, be convenient for intake and go out water.
Further, the lower end face of the upper spring 23 is fixedly connected with the upper end face of the connecting block 24, the upper end face of the lower spring 26 is fixedly connected with the lower end face of the connecting block 24, one side of the outer surface of the pressure lever 12 is sleeved with a limiting ring, one end of the spring B32 is fixedly connected with the outer surface of the limiting ring, and the other end of the spring B32 is fixedly connected with the inner wall of the through hole 33.
By adopting the technical scheme, the connection stability is improved.
Further, a storage battery is arranged inside the base 4 and electrically connected with the electric push rod 22, the push rod 5 is fixedly mounted on the rear end face of the base 4, the inner ring of the roller 1 is fixedly connected with a cross shaft, and the cross shaft is rotatably connected with the mounting plate 2 through a bearing.
Through adopting above-mentioned technical scheme for under the circumstances of not switching on the power, electric putter 22 can work, improves gyro wheel 1 pivoted stability.
Further, the pretreatment tank 10 is connected with the pure water treatment tank 7 through a water pipe A, the pure water treatment tank 7 is connected with the disinfection tank 6 through a water pipe B, and a water pump is fixedly mounted on the rear end face of the disinfection tank 6.
By adopting the technical scheme, the water in the pretreatment tank 10 can enter the pure water treatment tank 7 through the water pipe A, and the water in the pure water treatment tank 7 can enter the disinfection tank 6 through the water pipe B.
Further, the surface cladding of filter 17 has sealed the pad, and sealed pad and the inner wall laminating of pretreatment case 10, and four end angles of pretreatment case 10 up end are provided with the spacing groove, and the fixture block is installed at four end angles of apron 8 lower terminal surface, and the inboard in spacing groove is gone into to the fixture block card.
Through adopting above-mentioned technical scheme, improve the leakproofness, improve the stability that apron 8 and pretreatment tank 10 are connected.
Furthermore, the claw A30 is matched with the claw B34, one side of the outer surface of the guide block 31 close to the opening 27 is an arc surface, and the bottom end of the claw A30 is an arc surface.
Through adopting above-mentioned technical scheme for make jack catch A30 and jack catch B34 can the joint, when the top of jack catch A30 contacted the cambered surface of guide block 31, can slide upwards at the cambered surface of guide block 31.
The working principle is as follows: when the device is used, when the device needs to be moved, the switch of the electric push rod 22 is turned on, the electric push rod 22 contracts to drive the antiskid plate 21 to move upwards and leave the ground, the base can be pushed by the push rod 5 at the moment, when the device moves and meets uneven road sections, the rotating shaft 3 and the mounting plate 2 are in coordinated fit and rotate to enable the antiskid plate to be switched with the ground contact roller 1, the upper spring 23 and the lower spring 26 can buffer and eliminate vibration, the device is prevented from obvious vibration, the equipment can stably pass through the uneven ground, after the equipment moves to a required position, the switch of the electric push rod 22 is turned on, the electric push rod 22 extends to drive the antiskid plate 21 to move downwards until the antiskid plate 21 contacts the ground, the switch of the electric push rod 22 is turned off, the device is placed stably, when the filter plate 17 needs to be cleaned, the cover plate 8 is firstly removed by the handle 9, and then the pressure rods 12 on the front side and the rear side are pressed simultaneously, jack catch B34 clockwise turning, make jack catch B34 and jack catch A30 be in the state of staggering completely, lift filter 17 upwards, jack catch A30's cambered surface is moving on the cambered surface along guide block 31, spring C36 is compressed, jack catch A30's bottom breaks away from inside casing 11, can pull down filter 17 from the inside of preliminary treatment case 10 this moment, the utility model discloses be convenient for remove and park, meet the highway section of jolting and can shock attenuation by oneself, the life of device has been improved, and be convenient for dismantle filter 17, be convenient for clear up it, the filter effect has been guaranteed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides an intelligence pure water treatment facilities, includes base (4), its characterized in that: four end angles of the lower end face of the base (4) are provided with through grooves (20), the top face of the inner wall of each through groove (20) is fixedly provided with an electric push rod (22), the lower end face of the electric push rod (22) is fixedly connected with an antiskid plate (21), four circular grooves (19) are symmetrically arranged on two sides of the outer surface of the base (4), a connecting shaft (13) is arranged on the inner side of each circular groove (19), a rotating shaft (3) is sleeved on one side of the outer surface of the connecting shaft (13), two mounting plates (2) are sleeved on the outer surface of the rotating shaft (3), three idler wheels (1) are uniformly arranged on the inner sides of the mounting plates (2), a connecting block (24) is fixedly arranged on the other side of the outer surface of each circular groove (19), a movable groove (25) is arranged on the inner side of each circular groove (19), and an upper spring (23) is fixedly arranged on the top face of the inner wall of the movable groove (25), a lower spring (26) is fixedly installed on the bottom surface of the inner wall of the movable groove (25), a pretreatment box (10) is installed on one side of the upper end surface of the base (4), a cover plate (8) is arranged on the upper end surface of the pretreatment box (10), handles (9) are fixedly installed on two sides of the upper end surface of the cover plate (8), two filter plates (17) are arranged inside the pretreatment box (10), an opening (27) is formed in the lower portion of the middle of each filter plate (17), a clamping jaw A (30) is hinged to the inner side of each opening (27) through a pin shaft (28), the clamping jaw A (30) is connected with the inner wall of each opening (27) through a spring C (36), four shells (11) are symmetrically installed below the front end surface and the rear end surface of the pretreatment box (10), and a through hole (33) is formed in the lower portion of one side of the outer surfaces of every two shells (11) which are opposite to each other, the inboard of through-hole (33) is provided with depression bar (12), the surface cover of depression bar (12) is equipped with spring B (32), the inside of casing (11) articulates through minor axis (35) has jack catch B (34), the inner wall of casing (11) with minor axis (35) are connected through spring A (29), one side fixed mounting of casing (11) inner wall top surface has guide block (31), one side of pretreatment case (10) is installed pure water treatment case (7), the internally mounted of pure water treatment case (7) has reverse osmosis membrane (16), disinfect box (6) are installed to the opposite side of pure water treatment case (7), the both sides of disinfect box (6) inner wall are hung the fixed ann and are equipped with ultraviolet ray disinfection fluorescent tube (15).
2. The intelligent pure water treatment device according to claim 1, characterized in that: a water inlet (18) is arranged below one side of the outer surface of the pretreatment box (10), a water outlet (14) is arranged below the other side of the outer surface of the disinfection box (6), and an electromagnetic valve is arranged on the inner side of the water outlet (14).
3. The intelligent pure water treatment device according to claim 1, characterized in that: the lower end face of going up spring (23) with the up end fixed connection of connecting block (24), the up end of lower spring (26) with the lower end fixed connection of connecting block (24), one side cover of depression bar (12) surface is equipped with the spacing ring, the one end of spring B (32) with the surface fixed connection of spacing ring, the other end of spring B (32) with the inner wall fixed connection of through-hole (33).
4. The intelligent pure water treatment device according to claim 1, characterized in that: the inside of base (4) is provided with the battery, just the battery with electric putter (22) electric connection, the rear end face fixed mounting of base (4) has push rod (5), the inner circle fixedly connected with cross axle of gyro wheel (1), just the cross axle with mounting panel (2) are passed through the bearing and are rotated the connection.
5. The intelligent pure water treatment device according to claim 1, characterized in that: the pretreatment tank (10) is connected with the pure water treatment tank (7) through a water pipe A, the pure water treatment tank (7) is connected with the disinfection tank (6) through a water pipe B, and a water pump is fixedly mounted on the rear end face of the disinfection tank (6).
6. The intelligent pure water treatment device according to claim 1, characterized in that: the surface cladding of filter (17) has sealed the pad, just sealed pad with the inner wall laminating of preliminary treatment case (10), four end angles of preliminary treatment case (10) up end are provided with the spacing groove, the fixture block is installed at four end angles of terminal surface under apron (8), just the fixture block card is gone into the inboard of spacing groove.
7. The intelligent pure water treatment device according to claim 1, characterized in that: jack catch A (30) with jack catch B (34) match and are fit for, guide block (31) surface is close to one side of opening (27) is the cambered surface, the bottom of jack catch A (30) is the cambered surface.
CN202023271572.3U 2020-12-30 2020-12-30 Intelligent pure water treatment equipment Active CN214360773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023271572.3U CN214360773U (en) 2020-12-30 2020-12-30 Intelligent pure water treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023271572.3U CN214360773U (en) 2020-12-30 2020-12-30 Intelligent pure water treatment equipment

Publications (1)

Publication Number Publication Date
CN214360773U true CN214360773U (en) 2021-10-08

Family

ID=77949852

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023271572.3U Active CN214360773U (en) 2020-12-30 2020-12-30 Intelligent pure water treatment equipment

Country Status (1)

Country Link
CN (1) CN214360773U (en)

Similar Documents

Publication Publication Date Title
CN210438575U (en) Sewage treatment plant of microbial packing
CN214360773U (en) Intelligent pure water treatment equipment
CN209442747U (en) A kind of energy-saving and environment-friendly industrial sewage processing unit
CN209397045U (en) A kind of integration filter Electro Sorb water treatment facilities
CN208927784U (en) A kind of cleaning device for filter screen
CN204079631U (en) Portable reverse osmosis water filter
CN212954683U (en) Water filtration system for rail transit
CN211570337U (en) Waste water recycling device
CN208414025U (en) A kind of sewage treatment purification device
CN211813727U (en) Activated carbon sewage treatment equipment
CN210001711U (en) portable outdoor water purification cup
CN207002481U (en) A kind of Mobile waste-water purification apparatus
CN213446469U (en) Sewage treatment device convenient to clearance impurity
CN214693693U (en) Reverse osmosis EDI high-purity water device
CN215855572U (en) Movable drinking water emergency treatment device
CN211255574U (en) Sewage treatment plant for environmental protection
CN210631799U (en) Filter equipment for sewage treatment
CN216571797U (en) Ultraviolet ray water purifier filter element convenient to replace and clean
CN214309670U (en) Water conservancy sewage treatment sewage sampling device
CN217870225U (en) Sewage purification device
CN212609904U (en) Novel be used for rural electroless purification two water all-in-one
CN214829637U (en) Sand remover for mine well water filtration
CN213738827U (en) Sewage treatment's filtering ponds device
CN215712373U (en) Plateau drinking water machine water treatment facilities
CN216998033U (en) Multi-stage filtering device for treating water supply and drainage

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant