CN110975392A - Circulating well device for removing pollutants in underground water - Google Patents
Circulating well device for removing pollutants in underground water Download PDFInfo
- Publication number
- CN110975392A CN110975392A CN201911081909.3A CN201911081909A CN110975392A CN 110975392 A CN110975392 A CN 110975392A CN 201911081909 A CN201911081909 A CN 201911081909A CN 110975392 A CN110975392 A CN 110975392A
- Authority
- CN
- China
- Prior art keywords
- circulating well
- frame
- circulating
- main body
- well main
- 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.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 22
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 20
- 239000003673 groundwater Substances 0.000 claims abstract description 12
- 239000000356 contaminant Substances 0.000 claims 6
- 238000009434 installation Methods 0.000 claims 2
- 229920000742 Cotton Polymers 0.000 abstract description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 239000000284 extract Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
Abstract
The utility model provides a get rid of circulating well device of groundwater pollutant, including the circulating well main part, the vertical flexible pipe of one side inner wall fixed mounting of circulating well main part, the body bottom fixed mounting pump body of the lower extreme of flexible pipe, one side inner wall movable mounting of circulating well main part has the winding roll of motor, the winding roll is located the top of flexible pipe, the one end of fixed connection wiring rope on the winding roll, the cotton rope winding is on the winding roll, the other end of cotton rope and the top fixed connection of the body of the lower extreme of flexible pipe, two vertical standing grooves are seted up respectively to both ends inner wall around the circulating well main part, two standing grooves that are located same end are located the both sides of circulating well main part respectively, the top and the external world of standing groove communicate with each other. The invention can replace different types of filter cartridges to filter different types of pollutants in water, namely, different types of filter cartridges are selected aiming at inorganic substance pollution, heavy metal pollution and the like, so that the invention is more convenient to remove the pollutants.
Description
Technical Field
The invention belongs to the technical field of soil remediation, and particularly relates to a circulating well device for removing pollutants in underground water.
Background
The filter device in the present circulating well is all fixedly installed in the circulating well, and is inconvenient in maintenance or replacement, and after the filter device fails, the removal of pollutants is poor, so that the circulating well device for removing pollutants in underground water is needed.
Disclosure of Invention
The invention provides a circulating well device for removing pollutants in underground water, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a circulating well device for removing pollutants in underground water comprises a circulating well main body, wherein a vertical telescopic pipe is fixedly arranged on the inner wall of one side of the circulating well main body, a pump body is fixedly arranged at the bottom end of the pipe body at the lowest end of the telescopic pipe, a winding roll with a motor is movably arranged on the inner wall of one side of the circulating well main body, the winding roll is positioned above the telescopic pipe, one end of a wire rope is fixedly connected onto the winding roll, the wire rope is wound on the winding roll, the other end of the wire rope is fixedly connected with the top end of the pipe body at the lowest end of the telescopic pipe, two vertical placing grooves are respectively formed in the inner walls of the front end and the rear end of the circulating well main body, the two placing grooves at the same end are respectively positioned on two sides of the circulating well main body, the top ends of the placing grooves are communicated with the outside, a vertical lead screw is movably arranged on the inner wall, an L-shaped support is fixedly arranged on one side of a main body of the circulating well, a positive and negative rotating motor is fixedly arranged on the bottom surface of a horizontal frame of the L-shaped support, the bottom end of an output shaft of the positive and negative rotating motor is fixedly connected with the top end of a lead screw, a screw is matched and arranged on each lead screw, four screws are fixedly connected through a frame, vertical first screw rods are fixedly arranged on the middle parts of the bottom surfaces of two sides and the middle parts of the bottom surfaces of the front end and the rear end of each frame respectively, a cross-shaped fixed rod is arranged below the frame in a matching way, a through hole is arranged on the top surface of one end of each rod of the cross-shaped fixed rod, each screw rod can penetrate through one through hole, a first nut is matched and arranged on each first screw rod, the first nut is positioned below the cross-shaped fixed rod, a, the concave surfaces of the two arc-shaped plates are opposite, the top surface of each arc-shaped plate is hinged with a second nut, a second screw rod is arranged on each second nut in a matched mode, the threads of the two second screw rods are opposite, the opposite ends of the two second screw rods are fixedly connected, one end of an exhaust pipe is fixedly connected to the top of the pipe body at the uppermost end of the telescopic pipe, and the other end of the exhaust pipe can be inserted between the two arc-shaped plates.
The circulating well device for removing pollutants in groundwater comprises four third screw rods, four third nuts, four supporting blocks and four clamping plates, wherein the two supporting blocks are respectively positioned on two sides of the middle part of the top surface of the frame, the other two supporting blocks are respectively positioned at the front end and the rear end of the middle part of the top surface of the frame, the top end of each supporting block is fixedly connected with one third nut, one third nut is in threaded fit with one third screw rod, one end of each third screw rod is fixedly connected with one clamping plate, and the clamping plates are all positioned in the frame.
The circulating well device for removing the pollutants in the underground water is characterized in that the clamping plate is of an arc-shaped structure.
According to the circulating well device for removing the pollutants in the underground water, the front end and the rear end of the pump body are respectively and fixedly provided with the balancing weight.
The circulating well device for removing pollutants in underground water is characterized in that the concave surface of the arc-shaped plate is fixedly provided with the protective pad.
According to the circulating well device for removing pollutants in underground water, the inclined rod is fixedly installed on one side of the vertical frame of the L-shaped support, and the bottom end of the inclined rod is fixedly connected with one side of the top of the circulating well main body.
According to the circulating well device for removing pollutants in underground water, the inner walls of the two sides of each pipe body of the telescopic pipes are respectively provided with the guide grooves, and the two sides of the top of each pipe body are respectively and fixedly provided with the guide blocks.
The invention has the advantages that: when the filter cartridge needs to be replaced or maintained, firstly, a hand is inserted into the main body of the circulating well, the second screw rod is rotated, the second screw rod is in threaded fit with the second nut, the second nut is hinged with the arc-shaped plates, two second nuts can be moved in opposite directions, the arc-shaped plates are opened by taking a hinge point connected with the vertical rod as a center, the discharge pipe is taken out from between the two arc-shaped plates, then the forward and reverse rotating motor works to drive a lead screw to rotate, the lead screw is fixedly connected with the chain wheels, the four chain wheels are movably connected through chains to drive the four lead screws to synchronously rotate, the lead screw is in threaded fit with the screw, the screw is fixedly connected with the frame, the frame can be driven to move upwards, the cross-shaped fixing rod is positioned above the main body of the circulating well, then the first nut is screwed off, the cross-shaped fixing rod is taken off, the, after replacement or maintenance is finished, the steps are operated in a reverse direction, the filter cartridge is clamped by the clamping device, the first screw rod penetrates through the through hole of the cross-shaped fixing rod, the first screw rod is in threaded fit with the first nut again, the filter cartridge is moved back into the circulating well main body, the discharge pipe is placed between the two arc-shaped plates again, and the other end of the discharge pipe is located above the frame; the winding roll rotates, loosens the cotton rope, and flexible pipe extends, and the body and the pump body of flexible pipe lowermost end move down, get into in the depth of water of difference, upwards extract the water of different depths of water, carry out the aeration. The invention can replace different types of filter cartridges to filter different types of pollutants in water, namely, different types of filter cartridges are selected aiming at inorganic pollution, heavy metal pollution and the like, so that the invention is more convenient to remove the pollutants, can also extract water with different water depths, leads the water with different levels to be better aerated, and can also reduce the number of circulating wells, namely, reduce the number of the circulating wells with different types aiming at different pollution, and discharge the water into the circulating wells again after the groundwater is extracted and filtered by the filter cartridges, thereby avoiding the loss of the groundwater.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of the view of FIG. 1 taken along line B; fig. 4 is a partial enlarged view of I of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A circulating well device for removing pollutants in underground water comprises a circulating well body 1, a vertical telescopic pipe 2 is fixedly installed on the inner wall of one side of the circulating well body 1, a pump body is fixedly installed at the bottom end of the lowest pipe of the telescopic pipe 2, a water outlet of the pump body is communicated with the interior of the lowest pipe of the telescopic pipe, the pump body can pump water at the bottom of the circulating well above the telescopic pipe, a winding roll 3 with a motor is movably installed on the inner wall of one side of the circulating well body 1, the motor of the winding roll is installed on the inner wall of one side of the circulating well body, the motor of the winding roll is a waterproof motor, the winding roll 3 is located above the telescopic pipe 2, one end of a wire rope 4 is fixedly connected onto the winding roll 3, the other end of the wire rope 4 is fixedly connected with the top end of the lowest pipe of the telescopic pipe 2, and the winding-up of the wire rope 4 is controlled through the, Paying off, further controlling the extension or contraction of the extension tube 2, respectively arranging two vertical placing grooves 5 on the inner walls of the front end and the rear end of the circulating well main body 1, respectively arranging the two placing grooves 5 at the same end on two sides of the circulating well main body 1, communicating the top end of the placing grooves 5 with the outside, movably installing vertical screw rods 6 on the inner wall of the bottom end of each placing groove 5, fixedly installing chain wheels 7 on the top end of each screw rod 6, arranging the chain wheels 7 above the circulating well main body 1, arranging the lower parts of the screw rods 6 in the circulating well main body, exposing the upper parts of the screw rods 6 above the circulating well main body, movably connecting the four chain wheels 7 through chains, fixedly installing an L-shaped bracket 13 on one side of the circulating well main body 1, fixedly installing a forward and reverse rotation motor on the bottom surface of a horizontal frame of the L-shaped bracket 13, fixedly connecting the bottom end of an output shaft of the, the four nuts 8 are fixedly connected through a frame 9, vertical first screw rods 10 are fixedly arranged in the middle parts of the bottom surfaces of two sides and the middle parts of the bottom surfaces of the front end and the rear end of the frame 9, a cross-shaped fixing rod 11 is arranged below the frame 9 in a matching manner, a through hole is formed in the top surface of one end of each rod of the cross-shaped fixing rod 11, each screw rod 10 can penetrate through one through hole, a first nut 12 is arranged on each first screw rod 10 in a matching manner, the first nut 12 is positioned below the cross-shaped fixing rod 11, a filter cartridge with an open top is arranged above the cross-shaped fixing rod in a matching manner, a clamping device is arranged on the top surface of the frame 9 in a matching manner, a vertical rod 14 is fixedly arranged on one side of the top surface of the frame 9, arc plates 15 are respectively hinged to the top ends of the vertical rods 14, the concave surfaces of the two arc plates 15, the opposite ends of the two second screws 17 are fixedly connected, the top of the uppermost pipe body of the telescopic pipe 2 is fixedly connected with one end of an exhaust pipe 18, and the other end of the exhaust pipe 18 can be inserted between the two arc-shaped plates 15. When the filter cartridge needs to be replaced or maintained, firstly, a hand is inserted into the circulating well main body 1, the second screw 17 is rotated, the second screw 17 is in threaded fit with the second nut 16, the second nut 16 is hinged with the arc-shaped plates 15, two second nuts 16 can be moved in opposite directions, the arc-shaped plates 15 are opened by taking a hinged point connected with the vertical rod 14 as a center, the discharge pipe is taken out from between the two arc-shaped plates 15, then the forward and reverse rotating motor works to drive one lead screw 6 to rotate, the lead screw 6 is fixedly connected with the chain wheel 7, the four chain wheels are movably connected through chains to drive the four lead screws 6 to synchronously rotate, the lead screw 6 is in threaded fit with the screw 8, the screw 8 is fixedly connected with the frame 9 to drive the frame 9 to move upwards, so that the cross-shaped fixing rod 11 is positioned above the circulating well main body, then the first nut 12 is screwed down to take the cross-shaped, simultaneously loosening the clamping device, taking out the filter cartridge, then carrying out replacement or maintenance, after the replacement or maintenance is finished, reversely operating the steps, clamping the filter cartridge by the clamping device, enabling the first screw rod to penetrate through the through hole of the cross-shaped fixing rod, enabling the first screw rod to be in threaded fit with the first nut again, moving the filter cartridge back into the circulating well main body, placing the discharge pipe between the two arc-shaped plates again, and enabling the other end of the discharge pipe to be located above the frame; the winding roll rotates, loosens the cotton rope, and flexible pipe 2 extends, and the body and the pump body of flexible pipe 2 bottommost move downwards, enter into different depths of water, upwards extracts the water of different depths of water, carries out the aeration. The invention can replace different types of filter cartridges to filter different types of pollutants in water, namely, different types of filter cartridges are selected aiming at inorganic pollution, heavy metal pollution and the like, so that the invention is more convenient to remove the pollutants, can also extract water with different water depths, leads the water with different levels to be better aerated, and can also reduce the number of circulating wells, namely, reduce the number of the circulating wells with different types aiming at different pollution, and discharge the water into the circulating wells again after the groundwater is extracted and filtered by the filter cartridges, thereby avoiding the loss of the groundwater.
Specifically, the clamping device described in this embodiment is composed of four third screws 19, four third nuts 20, four supporting blocks, and four clamping plates 21, wherein two supporting blocks are respectively located at two sides of the middle portion of the top surface of the frame 9, the other two supporting blocks are respectively located at the front end and the rear end of the middle portion of the top surface of the frame 9, the top end of each supporting block is fixedly connected with one third nut 20, one third nut 20 is in threaded fit with one third screw 19, one end of each third screw 19 is fixedly connected with one clamping plate 21, and the clamping plates 21 are all located in the frame. Every third screw rod 19's one end all locates towards the center of frame 9, when carrying out the centre gripping to the cartridge filter, through rotatory third screw rod 19, can drive splint 21 rotatory, makes splint 21 move towards the inner wall of frame 9, and the wall thickness of cartridge filter is located splint 21 and frame 9 between the inner wall, according to the wall thickness of cartridge filter, adjusts the distance between splint 21 and the frame 9, better cliies the cartridge filter.
Specifically, the clamping plate 21 of the present embodiment has an arc-shaped structure. The concave surface of the clamping plate 21 with the arc-shaped structure faces the center of the frame 9, and the arc-shaped clamping plate is better attached to the inner wall of the filter cylinder when in use, so that the effect is better in use.
Further, the front and rear ends of the pump body described in this embodiment are respectively and fixedly provided with a counterweight 22. The weight 22 can increase the gravity of the pump body, so that the pump body can fall downwards better.
Furthermore, the concave surface of the arc plate 15 according to the present embodiment is fixedly installed with a protection pad. The protection pad can protect the discharge pipe and avoid damaging the discharge pipe.
Furthermore, an inclined rod 23 is fixedly installed on one side of the vertical frame of the L-shaped bracket 13, and the bottom end of the inclined rod 23 is fixedly connected with one side of the top of the circulating well main body. The L-shaped bracket 13 can be more stable in use and more uniformly stressed by the support of the inclined rod 23.
Furthermore, the inner walls of the two sides of each tube body of the telescopic tube of the present embodiment are respectively provided with a guide slot 24, and the two sides of the top of each tube body are respectively fixedly provided with a guide block 25. The guide block on the pipe body with the smaller diameter in the two adjacent pipe bodies can be inserted into the guide groove 24 in the pipe body with the larger diameter, and the pipe body with the smaller diameter in the two adjacent pipe bodies can be prevented from sliding down from the pipe body with the larger diameter through the cooperation of the guide groove 24 and the guide block.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A circulating well device for removing pollutants in underground water is characterized in that: comprises a circulating well main body (1), a vertical telescopic pipe (2) is fixedly arranged on the inner wall of one side of the circulating well main body (1), a pump body is fixedly arranged at the bottom end of the pipe body at the lowest end of the telescopic pipe (2), a winding roll (3) with a motor is movably arranged on the inner wall of one side of the circulating well main body (1), the winding roll (3) is positioned above the telescopic pipe (2), one end of a wire rope (4) is fixedly connected onto the winding roll (3), the wire rope is wound on the winding roll (3), the other end of the wire rope (4) is fixedly connected with the top end of the pipe body at the lowest end of the telescopic pipe (2), two vertical placing grooves (5) are respectively arranged on the inner walls of the front end and the rear end of the circulating well main body (1), the two placing grooves (5) at the same end are respectively arranged at two sides of the circulating well main body (1), the top ends of the placing grooves (5) are communicated with the, the chain wheel (7) is fixedly installed at the top end of each lead screw (6), the chain wheel (7) is positioned above the circulating well main body (1), four chain wheels (7) are movably connected through a chain, an L-shaped support (13) is fixedly installed on one side of the circulating well main body (1), a forward and reverse rotating motor is fixedly installed on the bottom surface of a horizontal frame of the L-shaped support (13), the bottom end of an output shaft of the forward and reverse rotating motor is fixedly connected with the top end of one lead screw (6), a screw (8) is arranged on each lead screw (6) in a matched mode, four screws (8) are fixedly connected through a frame (9), vertical first screw rods (10) are fixedly installed in the middle parts of the bottom surfaces of two sides and the middle parts of the bottom surfaces of the front end and the rear end of each frame (9), a cross-shaped fixing rod (11) is arranged below the frame (9) in a matched mode, a, the cooperation is equipped with first nut (12) on first screw rod (10), first nut (12) are located the below of cross dead lever (11), the cooperation is equipped with open-top's cartridge filter above the cross dead lever, frame (9) top surface cooperation is equipped with clamping device, top surface one side fixed mounting montant (14) of frame (9), the top of montant (14) articulates installation arc (15) respectively, the concave surface of two arc (15) is relative, the top surface of every arc (15) articulates installation second nut (16), the cooperation is equipped with second screw rod (17) on every second nut (16), two second screw rod (17) screw thread are opposite, the looks remote site fixed connection of two second screw rod (17), the body top fixed connection exhaust pipe (18) of the top of flexible pipe (2), the other end of exhaust pipe (18) can insert to between two arc (15).
2. A circulating well assembly for removing contaminants from groundwater according to claim 1, wherein: the clamping device is composed of four third screw rods (19), four third nuts (20), four supporting blocks and four clamping plates (21), wherein the two supporting blocks are respectively positioned on two sides of the middle part of the top surface of the frame (9), the other two supporting blocks are respectively positioned on the front end and the rear end of the middle part of the top surface of the frame (9), the top end of each supporting block is fixedly connected with one third nut (20), one third nut (20) is in threaded fit with one third screw rod (19), one end of each third screw rod (19) is fixedly connected with one clamping plate (21), and the clamping plates (21) are all positioned in the frame.
3. A circulating well assembly for removing contaminants from groundwater according to claim 2, wherein: the clamping plate (21) is of an arc-shaped structure.
4. A circulating well assembly for removing contaminants from groundwater according to claim 1, wherein: and the front end and the rear end of the pump body are respectively and fixedly provided with a balancing weight (22).
5. A circulating well assembly for removing contaminants from groundwater according to claim 1, wherein: the concave surface of the arc-shaped plate (15) is fixedly provided with a protection pad.
6. A circulating well assembly for removing contaminants from groundwater according to claim 1, wherein: and one side of the vertical frame of the L-shaped support (13) is fixedly provided with an inclined rod (23), and the bottom end of the inclined rod (23) is fixedly connected with one side of the top of the circulating well main body.
7. A circulating well assembly for removing contaminants from groundwater according to claim 1, wherein: the inner walls of two sides of each tube body of the telescopic tube are respectively provided with a guide groove (24), and two sides of the top of each tube body are respectively fixedly provided with a guide block (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081909.3A CN110975392A (en) | 2019-11-07 | 2019-11-07 | Circulating well device for removing pollutants in underground water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081909.3A CN110975392A (en) | 2019-11-07 | 2019-11-07 | Circulating well device for removing pollutants in underground water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110975392A true CN110975392A (en) | 2020-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911081909.3A Withdrawn CN110975392A (en) | 2019-11-07 | 2019-11-07 | Circulating well device for removing pollutants in underground water |
Country Status (1)
| Country | Link |
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| CN (1) | CN110975392A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120152538A1 (en) * | 2010-12-16 | 2012-06-21 | Halliburton Energy Services, Inc. | Compositions and Methods Relating to Establishing Circulation in Stand-Alone-Screens Without Using Washpipes |
| CN206255800U (en) * | 2016-07-30 | 2017-06-16 | 浙江瑞祥有机玻璃有限公司 | A kind of transmission device of lifter plate |
| CN208055165U (en) * | 2018-03-20 | 2018-11-06 | 安徽致力环保设备有限公司 | A kind of energy conservation and environmental protection sewage-treatment plant |
| CN208327494U (en) * | 2018-04-27 | 2019-01-04 | 温州冲亚电子科技有限公司 | A kind of improved treatment tank |
| CN109970257A (en) * | 2019-03-01 | 2019-07-05 | 同济大学 | A kind of groundwater remediation circulation well device |
| CN110282685A (en) * | 2019-06-24 | 2019-09-27 | 苏州市宏宇环境科技股份有限公司 | A kind of high purification efficiency ground water circulation well purification system |
-
2019
- 2019-11-07 CN CN201911081909.3A patent/CN110975392A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120152538A1 (en) * | 2010-12-16 | 2012-06-21 | Halliburton Energy Services, Inc. | Compositions and Methods Relating to Establishing Circulation in Stand-Alone-Screens Without Using Washpipes |
| CN206255800U (en) * | 2016-07-30 | 2017-06-16 | 浙江瑞祥有机玻璃有限公司 | A kind of transmission device of lifter plate |
| CN208055165U (en) * | 2018-03-20 | 2018-11-06 | 安徽致力环保设备有限公司 | A kind of energy conservation and environmental protection sewage-treatment plant |
| CN208327494U (en) * | 2018-04-27 | 2019-01-04 | 温州冲亚电子科技有限公司 | A kind of improved treatment tank |
| CN109970257A (en) * | 2019-03-01 | 2019-07-05 | 同济大学 | A kind of groundwater remediation circulation well device |
| CN110282685A (en) * | 2019-06-24 | 2019-09-27 | 苏州市宏宇环境科技股份有限公司 | A kind of high purification efficiency ground water circulation well purification system |
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Application publication date: 20200410 |