CN213623552U - Waste water centralized treatment and reuse device for quartz sand preparation - Google Patents

Waste water centralized treatment and reuse device for quartz sand preparation Download PDF

Info

Publication number
CN213623552U
CN213623552U CN202022644857.0U CN202022644857U CN213623552U CN 213623552 U CN213623552 U CN 213623552U CN 202022644857 U CN202022644857 U CN 202022644857U CN 213623552 U CN213623552 U CN 213623552U
Authority
CN
China
Prior art keywords
tank
wall
groove
water
quartz sand
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
CN202022644857.0U
Other languages
Chinese (zh)
Inventor
龙志强
傅晓磊
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.)
Dengfeng Longde Silica Sand Co ltd
Original Assignee
Dengfeng Longde Silica Sand 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 Dengfeng Longde Silica Sand Co ltd filed Critical Dengfeng Longde Silica Sand Co ltd
Priority to CN202022644857.0U priority Critical patent/CN213623552U/en
Application granted granted Critical
Publication of CN213623552U publication Critical patent/CN213623552U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The utility model relates to the field of water treatment, in particular to a waste water centralized treatment and recycling device for quartz sand preparation, which comprises a sedimentation tank, a mud scraping piece and a water inlet pipe; the sedimentation tank comprises a tank wall, an overflow groove, a slag discharge groove and a tank bottom, wherein the overflow groove is arranged at the upper part of the inner side of the tank wall, a drain pipe is arranged at the bottom of the overflow groove, and the drain pipe penetrates through the tank wall and extends out of the sedimentation tank; a slag discharging groove is arranged on one side of the overflow groove, which is far away from the wall of the tank, and a discharge hole at the bottom of the slag discharging groove penetrates through the wall of the tank and extends out of the sedimentation tank; the pond bottom comprises a pond bottom side wall and a pond bottom material collecting part, the height of the pond bottom side wall is reduced in sequence along the direction close to the center of the sedimentation pond, and the top of the pond bottom material collecting part is communicated with the bottom of the pond bottom side wall; the feed end of the sludge discharge pipe is communicated with the bottom of the collecting part at the bottom of the tank, and the discharge end of the sludge discharge pipe extends out of the sedimentation tank; the mud scraping piece comprises a central column, a rotary connecting piece, a rotary bridge frame, a driving motor and a roller; a central column is fixedly arranged at the center of the sedimentation tank along the vertical direction, and a guide cylinder is fixedly arranged at the upper part of the central column.

Description

Waste water centralized treatment and reuse device for quartz sand preparation
Technical Field
The utility model relates to a water treatment field, concretely relates to waste water centralized treatment recycles device's technical field for quartz sand preparation.
Background
During the preparation of the quartz sand, a large amount of water sources are needed, so that the control of water consumption in the industrial preparation process is realized, and the production and manufacturing cost is directly related.
And when the quartz sand is prepared, wastewater can be continuously generated, and water is continuously consumed, so that the continuity of operation can be greatly ensured by arranging a system capable of improving the wastewater treatment capacity.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quartz sand preparation is with waste water centralized treatment device of recycling realizes the high-efficient continuous processing operation of waste water, using water wisely cost.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the device for the centralized treatment and reutilization of the wastewater for the preparation of the quartz sand comprises a sedimentation tank, a mud scraping piece and a water inlet pipe; the sedimentation tank comprises a tank wall, an overflow groove, a slag discharge groove and a tank bottom, wherein the overflow groove is arranged at the upper part of the inner side of the tank wall, a drain pipe is arranged at the bottom of the overflow groove, and the drain pipe penetrates through the tank wall and extends out of the sedimentation tank; a slag discharging groove is arranged on one side of the overflow groove, which is far away from the wall of the tank, and a discharge hole at the bottom of the slag discharging groove penetrates through the wall of the tank and extends out of the sedimentation tank; the pond bottom comprises a pond bottom side wall and a pond bottom material collecting part, the height of the pond bottom side wall is reduced in sequence along the direction close to the center of the sedimentation pond, and the top of the pond bottom material collecting part is communicated with the bottom of the pond bottom side wall; the feed end of the sludge discharge pipe is communicated with the bottom of the collecting part at the bottom of the tank, and the discharge end of the sludge discharge pipe extends out of the sedimentation tank; the mud scraping piece comprises a central column, a rotary connecting piece, a rotary bridge frame, a driving motor and a roller; a central column is fixedly arranged at the center of the sedimentation tank along the vertical direction, a guide cylinder is fixedly arranged at the upper part of the central column, and the top of the central column penetrates through the guide cylinder and is positioned above the guide cylinder; the rotating bridge is arranged along the horizontal direction, and one end of the rotating bridge is rotatably connected with the top of the central column through a rotating connecting piece; a roller is arranged at the bottom of the other end of the rotating bridge frame, and a driving motor is in transmission connection with the roller; a lower scraper is fixedly arranged below the rotating bridge frame and is close to the upper surface of the side wall of the tank bottom; the water outlet end of the water inlet pipe extends into the center column and is communicated with the water outlet of the water inlet pipe arranged at the bottom in the guide cylinder.
Furthermore, a support plate is arranged at the bottom of the rotary connecting piece and fixedly connected with the central column; the top of the supporting plate is rotationally connected with the bottom of the rotating connecting piece.
Furthermore, the overflow launder comprises an overflow launder inner wall and a slag trap, the overflow launder inner wall is fixedly connected with the pool wall, and the slag trap is arranged on the top of the overflow launder inner wall.
Further, the slag discharging groove comprises a slag discharging groove inner wall and a filter plate, the slag discharging groove inner wall is fixedly connected with the pool wall, and the filter plate is arranged at a discharge port of the slag discharging groove.
Furthermore, an upper scraper is fixedly arranged below the rotating bridge and above the lower scraper.
Furthermore, a counterweight part is arranged at one end of the rotating bridge frame, which is far away from the roller.
Further, a secondary collecting tank is arranged below the discharge end of the slag discharging groove, and comprises a secondary collecting tank body, a water pump and a water return pipe; a secondary collection tank body is arranged below the discharge end of the slag discharge groove, a water pump is arranged in the secondary collection tank body, the water outlet end of the water pump is communicated with the water inlet end of the water return pipe, and the water outlet end of the water return pipe is communicated with the water inlet end of the water outlet of the water inlet pipe.
Furthermore, a liquid level sensor is arranged at the upper part in the secondary collecting tank body, the liquid level sensor is electrically connected with a signal input end of the PLC, and the water pump is electrically connected with an output control end of the PLC.
Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:
1. through realizing the high-efficient continuous processing operation of waste water, water cost is practiced thrift.
2. Set up backup pad and counter weight portion, promoted the stability of rotation operation.
3. Set up the secondary collecting pit, effectively promoted water treatment capacity.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of fig. 1 from another view angle.
Fig. 3 is a schematic structural diagram of an embodiment of the upper scraper blade of the present invention.
In the figure: 1-a sedimentation tank; 11-a tank wall; 12-an overflow launder; 121-the inner wall of the overflow launder; 122-slag trap; 123-a drain pipe; 13-a slag discharge groove; 131-inner wall of slag discharge groove; 132-a filter plate; 14-pool bottom; 141-side wall of the tank bottom; 142-a pool bottom collection portion; 143-mud pipe; 16-a guide rail; 2-a mud scraping piece; 21-a central column; 22-a rotating connection; 23-a support plate; 24-rotating bridge; 241-a weight; 25-a drive motor; 26-a roller; 3-water inlet pipe; 31-water outlet of the water inlet pipe; 32-a guide shell; 4-a secondary collecting tank; 41-collecting the pool body for the second time; 42-a water pump; 43-a water return pipe; 44-a liquid level sensor; 5-a PLC controller; 61-an upper scraper; 611-a first plate body; 612-a second plate body; 613-third plate body; 614-a fourth plate body; 62-lower flight.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1-3, the device for centralized treatment and reuse of wastewater for quartz sand preparation comprises a sedimentation tank 1, a mud scraper 2 and a water inlet pipe 3; the sedimentation tank 1 comprises a tank wall 11, an overflow tank 12, a slag discharge tank 13 and a tank bottom 14, wherein the overflow tank 12 is arranged at the upper part of the inner side of the tank wall 11, a drain pipe 123 is arranged at the bottom of the overflow tank 12, and the drain pipe 123 penetrates through the tank wall 11 and extends out of the sedimentation tank 1; a slag discharge groove 13 is arranged on one side of the overflow groove 12 far away from the tank wall 11, and a discharge hole at the bottom of the slag discharge groove 13 penetrates through the tank wall 11 and extends out of the sedimentation tank 1; the pond bottom 14 comprises a pond bottom side wall 141 and a pond bottom material collecting part 142, the height of the pond bottom side wall 141 is reduced in sequence along the direction close to the center of the sedimentation pond 1, and the top of the pond bottom material collecting part 142 is communicated with the bottom of the pond bottom side wall 141; the feed end of the sludge discharge pipe 143 is communicated with the bottom of the collecting part 142 at the bottom of the tank, and the discharge end of the sludge discharge pipe 143 extends out of the sedimentation tank 1; the mud scraping element 2 comprises a central column 21, a rotary connecting piece 22, a rotary bridge 24, a driving motor 25 and a roller 26; a central column 21 is fixedly arranged at the center in the sedimentation tank 1 along the vertical direction, a guide cylinder 32 is fixedly arranged at the upper part of the central column 21, and the top of the central column 21 penetrates through the guide cylinder 32 and is positioned above the guide cylinder 32; the rotating bridge 24 is arranged along the horizontal direction, and one end of the rotating bridge 24 is rotatably connected with the top of the central column 21 through a rotating connecting piece 22; a roller 26 is arranged at the bottom of the other end of the rotating bridge 24, and a driving motor 25 is in transmission connection with the roller 26; a lower scraper 62 is fixedly arranged below the rotating bridge frame 24, and the lower scraper 62 is close to the upper surface of the side wall 141 of the pool bottom; the water outlet end of the water inlet pipe 3 extends into the center column 21 and is communicated with the water outlet 31 of the water inlet pipe arranged at the bottom in the guide cylinder 32. The rotary connector 22 may be a deep groove ball bearing with strong bearing capacity, so that the rotary bridge 24 rotates around the central column 21 under the driving of the driving motor 25.
When the device works, wastewater to be treated is conveyed into the sedimentation tank 1 after passing through the water inlet pipe 3 and the guide cylinder 32, and after a flocculating agent is added, impurities in the wastewater are precipitated to the bottom of the tank or floating slag with small density floats on the water surface, and then the driving motor 25 continuously works to drive the rotating bridge 24 to rotate by taking the central column 21 as an axis; meanwhile, the lower scraping plate 62 arranged at the bottom is driven to continuously rotate at the bottom 14 of the tank, sludge sediment attached to the upper surface of the side wall 141 of the tank bottom is scraped into the material collecting part 142 of the tank bottom, and the sludge sediment in the material collecting part 142 of the tank bottom is discharged through the sludge discharge pipe 143; after the water in the sedimentation tank 1 is subjected to sedimentation and purification treatment, the water flows out of the sedimentation tank 1 through an overflow groove 12 arranged at the upper part and can be recycled.
Example 2:
as shown in fig. 1 to 3, the present embodiment optimizes the rotational stability for the above-described embodiment.
In the wastewater centralized treatment and reuse device for quartz sand preparation, a support plate 23 is arranged at the bottom of a rotary connecting piece 22, and the support plate 23 is fixedly connected with a central column 21; the top of the support plate 23 is rotatably connected to the bottom of the rotary connector 22. Considering that the other end (the end close to the center column) increases the working pressure of the rotary connecting piece 22 during the rotation process due to the poor balance stability of the rotary bridge 24 due to the power source at one end of the bridge during the rotation process, the support plate 23 is provided, and a ball can be arranged on the top of the support plate 23, so that the friction force during the rotation process of the rotary connecting piece 22 can be reduced, and the stability of the rotary connecting piece 22 is improved.
Example 3:
as shown in fig. 1 to 3, the present embodiment optimizes the overflow structure for the above-described embodiment.
The overflow launder 12 of the wastewater centralized treatment and reuse device for quartz sand preparation comprises an overflow launder inner wall 121 and a slag stopper 122, wherein the overflow launder inner wall 121 is fixedly connected with the pool wall 11, and the slag stopper 122 is arranged at the top of the overflow launder inner wall 121. The slag stopper 122 can be a filter plate or a material structure which can adsorb scum and allow water to pass through, and is arranged at the top of the inner wall 121 of the overflow chute, so that the scum in the sedimentation tank is reduced and is discharged through the overflow chute 12, and the quality of purified water is reduced, and the using effect is influenced.
Example 4:
as shown in fig. 1 to 3, the present embodiment optimizes the slag chute structure for the above-described embodiments.
The slag discharging groove 13 in the waste water centralized treatment recycling device for quartz sand preparation comprises a slag discharging groove inner wall 131 and a filter plate 132, the slag discharging groove inner wall 131 is fixedly connected with the pool wall 11, and the filter plate 132 is arranged at the discharge outlet of the slag discharging groove 13. Scum floating on the water surface of the sedimentation tank 1 enters the scum discharging tank 13, and is filtered by the filter plate 132 to block the scum and then is discharged for utilization.
Example 5:
as shown in fig. 1 to 3, the present embodiment optimizes the dross processing structure for the above-described embodiments.
In the device for centralized treatment and reuse of wastewater for quartz sand preparation, an upper scraper 61 is fixedly arranged below the rotating bridge 24 and above a lower scraper 62. The upper scraper 61 is structured as shown in fig. 3, when the rotating bridge 24 rotates, the upper scraper 61 is driven to approach/sweep the water surface, scum on the water surface is scraped and sent to the scum discharging tank 13 through the upper scraper 61, and is discharged, so that the content of impurities in the sedimentation tank 1 is reduced.
Example 6:
as shown in fig. 1 to 3, the present embodiment optimizes the rotational stability structure for the above-described embodiment.
In the wastewater centralized treatment and reuse device for quartz sand preparation, a counterweight part 241 is arranged at one end of the rotating bridge frame 24 far away from the roller 26. The counterweight 241 can properly improve the stability of the connection between the rotating bridge 24 and the center column 21 by the lever principle, and improve the stability in the rotating process.
Example 7:
as shown in fig. 1 to 3, the present embodiment optimizes the wastewater reuse structure for the above-described embodiments.
In the wastewater centralized treatment and reuse device for quartz sand preparation, a secondary collecting tank 4 is arranged below the discharge end of the slag discharge groove 13, and the secondary collecting tank 4 comprises a secondary collecting tank body 41, a water pump 42 and a water return pipe 43; a secondary collection tank body 41 is arranged below the discharge end of the slag discharge groove 13, a water pump 42 is arranged in the secondary collection tank body 41, the water outlet end of the water pump 42 is communicated with the water inlet end of a water return pipe 43, and the water outlet end of the water return pipe 43 is communicated with the water inlet end of a water outlet 31 of a water inlet pipe. When the upper scraper 61 scrapes scum, liquid level water is scraped and conveyed to the scum discharge tank 13, so that redundant water is discharged, and the secondary collection tank 4 can recycle the drained water into the sedimentation tank 1 again to perform sedimentation purification treatment again.
Example 8:
as shown in fig. 1 to 3, with the above embodiment, the present embodiment optimizes the water return control structure.
In this waste water centralized treatment recycles device for quartz sand preparation upper portion in the secondary collection cell body 41 sets up liquid level inductor 44, liquid level inductor 44 and PLC controller 5's signal input part electrical connection, and water pump 42 is connected with PLC controller 5's output control end electrical connection. The water discharged through the upper scraper 61 and the slag discharge groove 13 is relatively less, the liquid level sensor 44 can be used for detecting that the liquid level in the secondary collection tank body 41 is higher, and the PLC controller 5 is used for controlling the water pump 42 to operate for 5 minutes (or for setting a certain time according to the size of the tank), so that the water return to the sedimentation tank 1 is stopped, the intermittent water return according to the water quantity is realized, the energy is saved, the standing sedimentation of the water in the secondary collection tank body 41 is facilitated, and the treatment effect is improved.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (8)

1. Quartz sand preparation is with waste water centralized treatment device of recycling, its characterized in that: comprises a sedimentation tank (1), a mud scraping piece (2) and a water inlet pipe (3); the sedimentation tank (1) comprises a tank wall (11), an overflow groove (12), a slag discharge groove (13) and a tank bottom (14), wherein the overflow groove (12) is arranged at the upper part of the inner side of the tank wall (11), a drain pipe (123) is arranged at the bottom of the overflow groove (12), and the drain pipe (123) penetrates through the tank wall (11) and extends out of the sedimentation tank (1); a slag discharge groove (13) is arranged on one side of the overflow groove (12) far away from the tank wall (11), and a discharge hole at the bottom of the slag discharge groove (13) penetrates through the tank wall (11) and extends out of the sedimentation tank (1); the pool bottom (14) comprises pool bottom side walls (141) and a pool bottom material collecting part (142), the heights of the pool bottom side walls (141) are sequentially reduced along the direction close to the center of the sedimentation pool (1), and the tops of the pool bottom material collecting part (142) are communicated with the bottoms of the pool bottom side walls (141); the feed end of the sludge discharge pipe (143) is communicated with the bottom of the collecting part (142) at the bottom of the tank, and the discharge end of the sludge discharge pipe (143) extends out of the sedimentation tank (1); the mud scraping piece (2) comprises a central column (21), a rotary connecting piece (22), a rotary bridge (24), a driving motor (25) and a roller (26); a central column (21) is fixedly arranged at the center in the sedimentation tank (1) along the vertical direction, a guide cylinder (32) is fixedly arranged at the upper part of the central column (21), and the top of the central column (21) penetrates through the guide cylinder (32) and is positioned above the guide cylinder (32); the rotating bridge (24) is arranged along the horizontal direction, and one end of the rotating bridge (24) is rotatably connected with the top of the central column (21) through a rotating connecting piece (22); a roller (26) is arranged at the bottom of the other end of the rotating bridge (24), and a driving motor (25) is in transmission connection with the roller (26); a lower scraper (62) is fixedly arranged below the rotating bridge frame (24), and the lower scraper (62) is close to the upper surface of the side wall (141) of the pool bottom; the water outlet end of the water inlet pipe (3) extends into the interior of the central column (21) and is communicated with a water outlet (31) of the water inlet pipe arranged at the bottom in the guide cylinder (32).
2. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 1, wherein: a support plate (23) is arranged at the bottom of the rotary connecting piece (22), and the support plate (23) is fixedly connected with the central column (21); the top of the supporting plate (23) is rotatably connected with the bottom of the rotating connecting piece (22).
3. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 1, wherein: the overflow trough (12) comprises an overflow trough inner wall (121) and a slag blocking body (122), the overflow trough inner wall (121) is fixedly connected with the pool wall (11), and the slag blocking body (122) is arranged at the top of the overflow trough inner wall (121).
4. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 1, wherein: the slag discharging groove (13) comprises a slag discharging groove inner wall (131) and a filter plate (132), the slag discharging groove inner wall (131) is fixedly connected with the pool wall (11), and the filter plate (132) is arranged at the discharge outlet of the slag discharging groove (13).
5. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 1, wherein: an upper scraper (61) is fixedly arranged below the rotating bridge (24) and above the lower scraper (62).
6. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 2, wherein: and a counterweight part (241) is arranged at one end of the rotating bridge (24) far away from the roller (26).
7. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 4, wherein: a secondary collecting tank (4) is arranged below the discharge end of the slag discharging groove (13), and the secondary collecting tank (4) comprises a secondary collecting tank body (41), a water pump (42) and a water return pipe (43); a secondary collection tank body (41) is arranged below the discharge end of the slag discharge groove (13), a water pump (42) is arranged in the secondary collection tank body (41), the water outlet end of the water pump (42) is communicated with the water inlet end of a water return pipe (43), and the water outlet end of the water return pipe (43) is communicated with the water inlet end of a water outlet (31) of a water inlet pipe.
8. The apparatus for centralized treatment and reuse of wastewater for quartz sand production according to claim 7, wherein: the upper part in the secondary collection tank body (41) is provided with a liquid level sensor (44), the liquid level sensor (44) is electrically connected with the signal input end of the PLC controller (5), and the water pump (42) is electrically connected with the output control end of the PLC controller (5).
CN202022644857.0U 2020-11-16 2020-11-16 Waste water centralized treatment and reuse device for quartz sand preparation Active CN213623552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022644857.0U CN213623552U (en) 2020-11-16 2020-11-16 Waste water centralized treatment and reuse device for quartz sand preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022644857.0U CN213623552U (en) 2020-11-16 2020-11-16 Waste water centralized treatment and reuse device for quartz sand preparation

Publications (1)

Publication Number Publication Date
CN213623552U true CN213623552U (en) 2021-07-06

Family

ID=76633696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022644857.0U Active CN213623552U (en) 2020-11-16 2020-11-16 Waste water centralized treatment and reuse device for quartz sand preparation

Country Status (1)

Country Link
CN (1) CN213623552U (en)

Similar Documents

Publication Publication Date Title
CN202898156U (en) Magnetic flocculation water treatment system
KR101278958B1 (en) Waste water treatment system
CN104591518B (en) Sludge deep processing equipment
CN207913371U (en) A kind of concrete mixing plant waste water circulatory system
CN102989300B (en) Improved Siemens produces waste gas drip washing treatment process and the equipment of polysilicon
KR101261839B1 (en) Treatment system for side stream
CN101468857B (en) Sewage treatment method for fluorite concentration plant
CN213623552U (en) Waste water centralized treatment and reuse device for quartz sand preparation
CN211215793U (en) High-efficient sewage solid-liquid separation equipment
CN202089878U (en) Sludge concentrator
CN111960560A (en) Water-jet loom wastewater treatment equipment and method
CN112028342A (en) Converter steel slag hot-stewing turbid circulating water treatment device and process
CN213708002U (en) Composite sewage treatment device
CN201240910Y (en) High speed precipitation tank for treatment of heavy metal wastewater
CN2589466Y (en) Coal water purification and coal mud reclaiming machine
CN211885784U (en) Mortar pump type fine sand recovery equipment
CN214059978U (en) Air flotation machine device
CN212476431U (en) Oil field hypersalinity sewage treatment plant
CN208594168U (en) Precision glass waste water treatment system
CN211885783U (en) Bucket lifting type fine sand recovery equipment
CN103752048B (en) A kind of equipment for separating liquid from solid of environmental protection and energy saving
CN112723604A (en) High efficiency air supporting water purification unit
CN111875211A (en) Muddy water concentration and separation device and separation method
CN207608441U (en) A kind of cyanobacteria water plant processing ship
CN112374684A (en) Oil and gas field drilling waste liquid recycling treatment device and method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant