CN214538726U - Remote sampling device for sewage treatment plant - Google Patents

Remote sampling device for sewage treatment plant Download PDF

Info

Publication number
CN214538726U
CN214538726U CN202021986009.1U CN202021986009U CN214538726U CN 214538726 U CN214538726 U CN 214538726U CN 202021986009 U CN202021986009 U CN 202021986009U CN 214538726 U CN214538726 U CN 214538726U
Authority
CN
China
Prior art keywords
sampling
face
bottle
pump
pipe
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
CN202021986009.1U
Other languages
Chinese (zh)
Inventor
陈保光
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.)
Weitaipu Technology Co ltd
Original Assignee
Weitaipu Technology 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 Weitaipu Technology Co ltd filed Critical Weitaipu Technology Co ltd
Priority to CN202021986009.1U priority Critical patent/CN214538726U/en
Application granted granted Critical
Publication of CN214538726U publication Critical patent/CN214538726U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sampling And Sample Adjustment (AREA)

Abstract

The utility model relates to a sewage treatment plant uses long-range sampling device, including the location base, the kicking block, travel driving mechanism, the sampling bottle, the water feeding pump, the recoil pump, the sampling pipe, the honeycomb duct, the three-way valve, bear the base down the terminal surface and be connected with the kicking block up end, at least one travel driving mechanism is established to the kicking block surface, the sampling bottle passes through spout and location base up end sliding connection, the sampling bottle pass through the three-way valve respectively with the water feeding pump, recoil pump intercommunication, the water feeding pump, recoil pump and lift actuating mechanism all inlay in the location base, and the water feeding pump, the recoil pump all communicates through three-way valve and honeycomb duct, and communicate through honeycomb duct and sampling pipe. On one hand, the novel solar water heater is high in integration degree and modularization degree, and flexible and convenient to use; on the other hand, the requirements of accurately realizing sampling operation on sewage and sludge with different depths and in different area ranges of a sewage pool are met, and in addition, a sampling pipeline can be cleaned, so that the interference of sewage in a non-sampling area on a sewage sample is avoided.

Description

Remote sampling device for sewage treatment plant
Technical Field
The utility model relates to a water sample sampling equipment for sewage plant belongs to sewage treatment equipment technical field.
Background
In sewage treatment, sewage is often required to be sampled and analyzed, and when the sewage is sampled at present, sampling operation is often directly performed from a sewage source place by manually operating sampling equipment by workers, for example, a quantitative sewage collecting device of patent application No. 201721467928.6 and a sewage collecting device of patent application No. 201921702254.2 meet the requirements of sewage sampling operation to a certain extent, but in operation, on one hand, the workers are required to perform a large amount of manual operation to perform sewage sampling operation, so that the edge position of a sewage pool with a large area and a relatively small depth can only be collected during the sampling operation, and the comprehensiveness, flexibility and sampling efficiency of sewage sampling are seriously influenced; on the other hand is when the sampling operation, current sampling equipment can't realize the accuracy and carry out the needs of sampling to the sewage of the different degree of depth, and also can't clear up the pollution that sampling equipment caused to sewage in the non-sampling region in the sampling process to the efficiency and the precision that lead to current sewage sampling operation have all received very big influence.
Therefore, in view of the current situation, it is urgently needed to develop a remote sampling device for a sewage treatment plant to meet the requirement of practical use.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a remote sampling device for a sewage treatment plant, which has the advantages of simple structure, good universality, high integration degree and modularization degree, and flexible and convenient use; on the other hand, the requirements of accurately realizing the sampling operation on sewage and sludge with different depths and in different regional ranges of a sewage pool are met, in addition, the sampling pipeline can be cleaned in the sampling process, and the interference of the sewage in a non-sampling region on a sewage sample is avoided, so that the precision, the flexibility and the sampling efficiency of the sampling operation are greatly improved.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
a remote sampling device for sewage treatment plant comprises a positioning base, a floating block, a walking driving mechanism, a sampling bottle, a water feeding pump, a backflushing pump, a lifting driving mechanism, a sampling pipe, a flow guide pipe, a three-way valve and a driving circuit, wherein the bearing base is a frame structure with a rectangular cross section, the lower end face of the bearing base is connected with the upper end face of the floating block, the floating block is a closed annular structure which is coaxially distributed with the positioning base and covers the lower end face of the bearing base, at least one walking driving mechanism is arranged on the outer surface of the floating block, at least one sampling bottle is in sliding connection with the upper end face of the positioning base through a sliding chute, the sampling bottle is respectively communicated with the water feeding pump and the backflushing pump through the three-way valve, the water feeding pump, the backflushing pump and the lifting driving mechanism are all embedded in the positioning base, the water feeding pump and the backflushing pump are all communicated with the flow guide pipe through the three-way valve and are communicated with the sampling pipe through the flow guide pipe, and the sampling pipe is in sliding connection with the positioning base through the lifting driving mechanism, the sampling tube is vertically distributed with the lower end face of the bearing base, the distance between the lower end face of the sampling tube and the lower end face of the positioning base is not less than 10 mm, and the driving circuit is embedded in the upper end face of the positioning base and is respectively and electrically connected with the walking driving mechanism, the water feeding pump, the backflushing pump, the lifting driving mechanism and the three-way valve.
Further, the floating block including bear seat, flotation pontoon, connection gusset and link, bear the seat and be closed loop configuration, its up end establishes the cross-section and personally submits the bearing groove of "U" font to through the bearing groove cladding outside the location base, bear the seat down the terminal surface and pass through revolving stage mechanism with walking actuating mechanism and articulate, bear the seat lateral surface and establish a plurality of links, the link encircles and bears the seat axis equipartition, and bears the seat lateral surface and be connected with a plurality of flotation pontoons through the link, the flotation pontoon encircles and bears seat axis equipartition, and the flotation pontoon up end is connected through connecting gusset and bearing the seat up end, it is articulated through ratchet mechanism to connect gusset both ends and flotation pontoon and bear between the seat, revolving stage mechanism inlays in bearing the seat down terminal surface and with drive circuit electrical connection.
Further, the sampling bottle include bottle, advance water control valve, exhaust control valve, level sensor, position sleeve, wherein the bottle is airtight cavity structures, and its lower terminal surface is established the water inlet up end and is established the gas vent, the water inlet passes through water control valve and three-way valve intercommunication through the honeycomb duct, level sensor inlays in the bottle to with bottle lateral wall internal surface connection, the position sleeve be with the hollow column frame construction of the coaxial distribution of bottle, the cladding is outside the bottle and pass through spout sliding connection with location base up end, advance water control valve, exhaust control valve, level sensor all with drive circuit electric connection.
Further, the sampling pipe include body, uide bushing, depth of water sensor, wherein the uide bushing is hollow column structure, and its up end is connected and vertical distribution with the terminal surface under the location base, the body inlays in the uide bushing, with uide bushing coaxial distribution and with the uide bushing inner wall sliding connection, the body up end passes through honeycomb duct and three-way valve intercommunication to be connected with lift actuating mechanism, the terminal surface is located uide bushing lower terminal surface outward, and with the uide bushing under the terminal surface interval not less than 5 centimetres, the terminal surface position is equipped with the groove under the body, groove length is 3-20 millimeters, and the slope of groove is 15-60 contained angles with the body axis, depth of water sensor is connected with the body under the terminal surface and with the body coaxial distribution, and depth of water sensor and drive circuit electrical connection.
Furthermore, the lifting driving mechanism is any one of an electric telescopic rod, a hydraulic telescopic rod, a pneumatic telescopic rod, a gear rack mechanism, a worm and gear structure, a screw mechanism and a hoisting mechanism.
Furthermore, the driving circuit is a circuit system based on any one of an industrial single chip microcomputer and a programmable controller, and the driving circuit is additionally provided with at least one serial port communication port, at least one wireless communication device and a satellite positioning device.
The novel device has the advantages of simple structure, good universality, high integration degree and modularization degree, and flexible and convenient use; on the other hand, the requirements of accurately realizing the sampling operation on sewage and sludge with different depths and in different regional ranges of a sewage pool are met, in addition, the sampling pipeline can be cleaned in the sampling process, and the interference of the sewage in a non-sampling region on a sewage sample is avoided, so that the precision, the flexibility and the sampling efficiency of the sampling operation are greatly improved.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of the novel structure.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in figure 1, the remote sampling device for the sewage treatment plant comprises a positioning base 1, a floating block 2, a walking driving mechanism 3, a sampling bottle 4, a water feeding pump 5, a recoil pump 6, a lifting driving mechanism 7, a sampling pipe 8, a flow guide pipe 9, a three-way valve 10 and a driving circuit 11, wherein the bearing base 1 is of a frame structure with a rectangular cross section, the lower end face of the bearing base 1 is connected with the upper end face of the floating block 2, the floating block 2 is of a closed annular structure which is coaxially distributed with the positioning base 1 and covers the lower end face of the bearing base 1, the outer surface of the floating block 2 is provided with at least one walking driving mechanism 3, at least one sampling bottle 4 is in sliding connection with the upper end face of the positioning base 1 through a chute 12, the sampling bottle 4 is respectively communicated with the water feeding pump 5 and the recoil pump 6 through the three-way valve 10, the water feeding pump 5, the recoil pump 6 and the lifting driving mechanism 7 are all embedded in the positioning base 1, and the water feeding pump 5, The recoil pump 6 is communicated with the flow guide pipe 9 through the three-way valve 10 and is communicated with the sampling pipe 8 through the flow guide pipe 9, the sampling pipe 8 is connected with the positioning base 1 in a sliding mode through the lifting driving mechanism 7 and is vertically distributed on the lower end face of the bearing base 1, the distance between the lower end face of the sampling pipe 8 and the lower end face of the positioning base 1 is not smaller than 10 millimeters, the driving circuit 11 is embedded in the upper end face of the positioning base 1 and is electrically connected with the walking driving mechanism 3, the water feeding pump 5, the recoil pump 6, the lifting driving mechanism 7 and the three-way valve 10 respectively.
In this embodiment, the floating block 2 includes a bearing seat 21, a float 22, a connecting rib plate 23 and a hanging ring 24, the bearing seat 21 is a closed ring structure, the upper end surface is provided with a bearing groove 25 with a U-shaped cross section, the bearing groove 25 is covered outside the positioning base 21, the lower end surface of the bearing base 21 is hinged with the walking driving mechanism 3 through a rotary table mechanism 26, a plurality of hanging rings 24 are arranged on the outer side surface of the bearing seat 21, the hanging rings 24 are uniformly distributed around the axis of the bearing seat 21, the outer side surface of the bearing seat 21 is connected with a plurality of buoys 22 through hanging rings 24, the buoys 22 are uniformly distributed around the axis of the bearing seat 21, the upper end surface of the floating barrel 22 is connected with the upper end surface of the bearing seat 21 through a connecting rib plate 23, the two ends of the connecting rib plate 23 are hinged with the floating barrel 22 and the bearing seat 21 through a ratchet mechanism 27, the turntable mechanism 26 is fitted in the lower end surface of the carrier base 21 and electrically connected to the drive circuit 11.
Simultaneously, sampling bottle 4 include bottle 41, advance water control valve 42, exhaust control valve 43, level sensor 44, position sleeve 45, wherein bottle 41 is airtight cavity structures, and its lower terminal surface is established water inlet 46 up end and is established gas vent 47, water inlet 46 communicates through honeycomb duct 9 and three-way valve 10 through advancing water control valve 42, level sensor 44 inlays in bottle 41 to with 41 lateral wall internal surface connections of bottle, position sleeve 45 is the hollow column frame structure with 41 coaxial distribution of bottle, the cladding pass through spout 12 sliding connection outside bottle 41 and with the location base 1 up end, advance water control valve 42, exhaust control valve 43, level sensor 44 all with drive circuit 11 electrical connection.
It is important to explain that the sampling tube 8 comprises a tube body 81, a guide sleeve 82 and a water depth sensor 83, wherein the guide sleeve 82 is a hollow columnar structure, the upper end surface of the guide sleeve is connected with the lower end surface of the positioning base 1 and is vertically distributed, the pipe body 81 is embedded in the guide sleeve 82, is coaxially distributed with the guide sleeve 82 and is connected with the inner side wall of the guide sleeve 82 in a sliding way, the upper end surface of the pipe body 81 is communicated with a three-way valve 10 through a guide pipe 9, and is connected with the lifting driving mechanism 7, the lower end surface is positioned outside the lower end surface of the guide sleeve 82, the distance between the lower end surface and the lower end surface of the guide sleeve 82 is not less than 5 cm, a groove 85 is arranged on the lower end surface of the pipe body 81, the length of the groove 85 is 3-20 mm, and the slope of the groove 85 forms an included angle of 15-60 degrees with the axis of the pipe body 81, the water depth sensor 83 is connected with the lower end face of the pipe body 81 and is coaxially distributed with the pipe body 81, and the water depth sensor 83 is electrically connected with the driving circuit 11.
Preferably, the lifting driving mechanism 7 is any one of an electric telescopic rod, a hydraulic telescopic rod, a pneumatic telescopic rod, a rack and pinion mechanism, a worm and gear structure, a screw mechanism and a hoisting mechanism.
In this embodiment, the driving circuit 11 is a circuit system based on any one of an industrial single chip and a programmable controller, and the driving circuit 11 is further provided with at least one serial port communication port, at least one wireless communication device and a satellite positioning device.
Further, the traveling drive mechanism 3 is any one of a propeller propulsion mechanism and a water jet propulsion mechanism.
This is novel in concrete implementation, at first to constituting this neotype location base, the kicking block, travel driving mechanism, the sampling bottle, go up the water pump, the recoil pump, lift actuating mechanism, the sampling pipe, the honeycomb duct, three-way valve and drive circuit assemble, and make the total buoyancy of kicking block be greater than location base, travel driving mechanism, the sampling bottle, go up the water pump, the recoil pump, lift actuating mechanism, the sampling pipe, the honeycomb duct, gravity among three-way valve and the drive circuit, then will assemble this novel surface of water of placing track sewage treatment pond through the kicking block after, and establish drive circuit and outside circuit system and remote monitering system and be connected, thereby accomplish this novel assembly.
When sampling operation is carried out, firstly, a driving circuit drives the novel device to adjust and position the novel device on the water surface of the sewage treatment pool through a walking driving mechanism, the novel device is positioned through a satellite positioning device on the driving circuit, after the positioning is completed, a lifting driving mechanism is driven to operate, a pipe body of a sampling pipe is driven by the lifting driving mechanism to sink to the specified depth of the water body of the sewage treatment pool, the depth is accurately detected through a liquid level sensor, a recoil pump and a three-way valve are driven to operate after the specified depth is reached, the external air is pressurized by the recoil pump, high-pressure air flows downwards along the axis of the sampling pipe from top to bottom, the residual sewage in the sampling pipe is subjected to reverse blowing purification by using high-pressure air flow, the residual sewage which permeates into a non-sampling position in the sampling pipe when the sampling pipe is adjusted and positioned is eliminated, and the sampling precision of a subsequent sewage sample is improved, after accomplishing the anti-water operation, drive three-way valve and upper water pump operation to the realization carries out the needs of accurate sampling to assigned position and degree of depth, and is accomplishing the sampling operation, has this novel operation of travel drive mechanism drive to sewage treatment pond border position, takes out the sampling bottle after accomplishing the sampling again by the staff, can accomplish a sampling operation.
After the completion sampling operation, if still need carry out follow-up sampling operation, then can be this novel brand-new sampling bottle of changing again and carry out follow-up sampling operation.
Wherein, the sampling bottle is in operation, this is novel once can install a plurality of sampling bottles simultaneously to satisfy and realize a plurality of samples simultaneously and sample, improve sampling efficiency, in addition, when carrying out the sewage sampling, introduce sewage into the bottle through water inlet control valve in, and discharge the internal air of bottle through the exhaust control valve simultaneously, improve sewage sampling efficiency.
The novel device has the advantages of simple structure, good universality, high integration degree and modularization degree, and flexible and convenient use; on the other hand, the requirements of accurately realizing the sampling operation on sewage and sludge with different depths and in different regional ranges of a sewage pool are met, in addition, the sampling pipeline can be cleaned in the sampling process, and the interference of the sewage in a non-sampling region on a sewage sample is avoided, so that the precision, the flexibility and the sampling efficiency of the sampling operation are greatly improved.
Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a sewage treatment plant uses long-range sampling device which characterized in that: the remote sampling device for the sewage treatment plant comprises a positioning base, a floating block, a walking driving mechanism, a sampling bottle, a water feeding pump, a backflushing pump, a lifting driving mechanism, a sampling pipe, a flow guide pipe, a three-way valve and a driving circuit, wherein the positioning base is of a frame structure with a rectangular cross section, the lower end face of the positioning base is connected with the upper end face of the floating block, the floating block is of a closed annular structure which is coaxially distributed with the positioning base and covers the lower end face of the positioning base, at least one walking driving mechanism is arranged on the outer surface of the floating block, at least one sampling bottle is in sliding connection with the upper end face of the positioning base through a sliding groove, the sampling bottle is respectively communicated with the water feeding pump and the backflushing pump through the three-way valve, the water feeding pump, the backflushing pump and the lifting driving mechanism are all embedded in the positioning base, and the water feeding pump and the backflushing pump are all communicated with the flow guide pipe through the three-way valve and the flow guide pipe, the sampling pipe passes through lift actuating mechanism and location base sliding connection to with the terminal surface vertical distribution under the location base, terminal surface under the sampling pipe and location base between the terminal surface interval not less than 10 millimeters, drive circuit inlays in location base up end to respectively with walking actuating mechanism, last water pump, recoil pump, lift actuating mechanism and three-way valve electrical connection.
2. The remote sampling device for sewage treatment plants according to claim 1, wherein: the floating block including bear seat, flotation pontoon, connection gusset and link, bear the seat for closed loop configuration, its up end is established the cross-section and is personally submitted the bearing groove of "U" font to through the bearing groove cladding outside the location base, bear the seat down the terminal surface and pass through revolving stage mechanism with walking drive mechanism and articulate, bear the seat lateral surface and establish a plurality of links, the link encircles and bears seat axis equipartition, and bears the seat lateral surface and be connected with a plurality of flotation pontoons through the link, the flotation pontoon encircles and bears seat axis equipartition, and the flotation pontoon up end through connecting the gusset and bear the seat up end and be connected, it is articulated through ratchet mechanism to connect gusset both ends and flotation pontoon and bear the seat between, revolving stage mechanism inlays in bearing the seat down terminal surface and with drive circuit electrical connection.
3. The remote sampling device for sewage treatment plants according to claim 1, wherein: sampling bottle include bottle, water inlet control valve, exhaust control valve, level sensor, position sleeve, wherein the bottle is airtight cavity structures, and its lower terminal surface establishes the water inlet up end and establishes the gas vent, the water inlet passes through honeycomb duct and three-way valve intercommunication through water inlet control valve, level sensor inlays in the bottle to with bottle lateral wall internal surface connection, the position sleeve be with the hollow column frame construction of the coaxial distribution of bottle, the cladding passes through spout sliding connection at the bottle outer and with the location base up end, water inlet control valve, exhaust control valve, level sensor all with drive circuit electrical connection.
4. The remote sampling device for sewage treatment plants according to claim 1, wherein: the sampling pipe comprises a pipe body, a guide sleeve and a water depth sensor, wherein the guide sleeve is of a hollow columnar structure, the upper end face of the guide sleeve is connected with the lower end face of the positioning base and is vertically distributed, the pipe body is embedded in the guide sleeve and is coaxially distributed with the guide sleeve and is in sliding connection with the inner side wall of the guide sleeve, the upper end face of the pipe body is communicated with a three-way valve through a guide pipe and is connected with a lifting driving mechanism, the lower end face of the guide sleeve is located outside the lower end face of the guide sleeve, the interval between the lower end face of the guide sleeve and the lower end face of the guide sleeve is not less than 5 centimeters, a groove is formed in the lower end face of the pipe body, the length of the groove is 3-20 millimeters, the slope surface of the groove forms an included angle of 15-60 degrees with the axis of the pipe body, the water depth sensor is connected with the lower end face of the pipe body and is coaxially distributed with the pipe body, and the water depth sensor is electrically connected with a driving circuit.
5. The remote sampling device for sewage treatment plants according to claim 1, wherein: the lifting driving mechanism is any one of an electric telescopic rod, a hydraulic telescopic rod, a pneumatic telescopic rod, a gear rack mechanism, a worm and gear structure, a screw rod mechanism and a hoisting mechanism.
6. The remote sampling device for sewage treatment plants according to claim 1, wherein: the driving circuit is a circuit system based on any one of an industrial singlechip and a programmable controller, and is additionally provided with at least one serial port communication port, at least one wireless communication device and a satellite positioning device.
CN202021986009.1U 2020-09-11 2020-09-11 Remote sampling device for sewage treatment plant Active CN214538726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021986009.1U CN214538726U (en) 2020-09-11 2020-09-11 Remote sampling device for sewage treatment plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021986009.1U CN214538726U (en) 2020-09-11 2020-09-11 Remote sampling device for sewage treatment plant

Publications (1)

Publication Number Publication Date
CN214538726U true CN214538726U (en) 2021-10-29

Family

ID=78229161

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021986009.1U Active CN214538726U (en) 2020-09-11 2020-09-11 Remote sampling device for sewage treatment plant

Country Status (1)

Country Link
CN (1) CN214538726U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117949255A (en) * 2024-03-22 2024-04-30 南京市仪器仪表工业供销有限公司 Sampling equipment for sewage treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117949255A (en) * 2024-03-22 2024-04-30 南京市仪器仪表工业供销有限公司 Sampling equipment for sewage treatment
CN117949255B (en) * 2024-03-22 2024-06-11 南京市仪器仪表工业供销有限公司 Sampling equipment for sewage treatment

Similar Documents

Publication Publication Date Title
CN210071406U (en) Sampling device for water quality environment monitor
CN214538726U (en) Remote sampling device for sewage treatment plant
CN115165465B (en) Multifunctional water quality monitoring equipment
CN113504078A (en) Movable sampling detection system for locally extracting polluted water
CN114486374B (en) Sewage intelligent monitoring device for environment management
CN112093907B (en) Intelligent ecological floating island equipment for river water pollution control
CN214066601U (en) High-efficient collection system of water sample for sewage plant
CN218411868U (en) Water quality sampling device for environmental monitoring
CN211603162U (en) Water environment monitoring device with automatic information acquisition and feedback
CN111217415A (en) A energy-efficient air supporting device for sewage treatment
CN110790349A (en) A high-efficient type electrolysis air supporting device for waste water treatment
CN107413200B (en) Membrane bioreactor and ultrasonic cleaning combined device
CN216144786U (en) Automatic sampling-analyzing equipment for water sample on sewage biochemical pool
CN107235124A (en) Repair cruise robot in river course
CN213544119U (en) Fixed-point layered water quality sampling device
CN112684131B (en) Culture water body micro-plastic real-time monitoring and early warning device
CN210953519U (en) Automatic change quality of water sampling device
CN207328764U (en) Repair cruise robot in river
CN209656371U (en) A kind of exhaust gas guiding device
CN111517387A (en) A equipment for quality of water environmental protection monitoring
CN217921500U (en) Cold explosion water tank for purifying quartz sand
CN215573956U (en) Constructed wetland water purifies sampling device
CN208520641U (en) A kind of water body sampling device
CN214472046U (en) Industrial water treatment disinfection detection device
CN217384815U (en) Water resource monitoring device used in water-saving environment protection

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant