CN214436774U - A sedimentation tank mud discharging system for sewage station - Google Patents

A sedimentation tank mud discharging system for sewage station Download PDF

Info

Publication number
CN214436774U
CN214436774U CN202023323162.9U CN202023323162U CN214436774U CN 214436774 U CN214436774 U CN 214436774U CN 202023323162 U CN202023323162 U CN 202023323162U CN 214436774 U CN214436774 U CN 214436774U
Authority
CN
China
Prior art keywords
sludge
pump
sewage
sedimentation tank
tank
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
CN202023323162.9U
Other languages
Chinese (zh)
Inventor
马占胜
马占群
张楠楠
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.)
Chengdu Yuning Environmental Protection Technology Co ltd
Original Assignee
Chengdu Yuning Environmental Protection 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 Chengdu Yuning Environmental Protection Technology Co ltd filed Critical Chengdu Yuning Environmental Protection Technology Co ltd
Priority to CN202023323162.9U priority Critical patent/CN214436774U/en
Application granted granted Critical
Publication of CN214436774U publication Critical patent/CN214436774U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Treatment Of Sludge (AREA)

Abstract

The utility model provides a sedimentation tank sludge discharge system for a sewage station, which comprises a sedimentation tank, a sludge discharge pump, a controller, a sludge remover and a sewage tank, wherein the inlet of the sludge discharge pump is communicated with the bottom of the sedimentation tank so as to pump out sludge precipitated at the bottom of the sedimentation tank through the sludge discharge pump; the controller is connected with the sludge pump so as to control the sludge pump to pump sludge within a first preset time period and control the sludge pump to stop working within a second preset time period; the outlet of the sludge discharge pump is communicated with the feed inlet of the deslimer so that sludge pumped by the sludge discharge pump enters the deslimer, the deslimer is provided with a residue discharge port and a water discharge port, the water discharge port is connected with a sewage tank, the sewage tank is provided with a drainage pump, and the drainage pump is connected with a sedimentation tank so that sewage stored in the sewage tank in a centralized manner is conveyed into the sedimentation tank to be recycled. The utility model provides a mud pump among the mud discharging system among the prior art always be in normally open state, lead to the high problem of equipment failure rate.

Description

A sedimentation tank mud discharging system for sewage station
Technical Field
The utility model relates to a sewage station equipment technical field, more specifically relate to a sedimentation tank mud discharging system for sewage station.
Background
At present, a sludge discharge pump in a sludge discharge system in the prior art is always in a normally open state so as to discharge sludge at the bottom of a sedimentation tank through the sludge discharge pump. However, the amount of the precipitated sludge is insufficient and is discharged by the sludge discharge pump, so that the amount of the precipitated sludge is insufficient, the sludge pumped by the sludge discharge pump contains a large amount of water, the insufficient amount of the sludge can cause the insufficient operation load of the sludge discharge pump, and the sludge discharge pump is easy to damage, and the equipment failure rate is high. In the subsequent treatment process, the using amount of cations is increased, the number of the mud removing machines is increased, a large amount of water is introduced into the mud removing machines, the mud removing efficiency of the mud removing machines is seriously influenced, and the cost for treating the water is increased. Therefore, there is a need for a settling tank sludge discharge system for a sewage station that overcomes the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sedimentation tank mud discharging system for sewage station to the mud pump of the mud discharging system who solves among the prior art always is in normally open state, leads to containing a large amount of water in the mud that the mud pump was taken out, and the not enough of mud volume will make the operation load of mud pump not enough, thereby leads to the mud pump to damage easily, and equipment fault rate is high, has seriously influenced desliming efficiency of desliming machine, has increased the problem of the cost of handling water.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a sedimentation tank sludge discharge system for a sewage station comprises a sedimentation tank, a sludge discharge pump, a controller, a desliming machine and a sewage tank, wherein an inlet of the sludge discharge pump is communicated with the bottom of the sedimentation tank so as to pump sludge precipitated at the bottom of the sedimentation tank through the sludge discharge pump; the controller is connected with the sludge pump so as to control the sludge pump to pump sludge within a first preset time period and control the sludge pump to stop working within a second preset time period;
the outlet of the sludge discharge pump is communicated with the feed inlet of the deslimer so that sludge pumped by the sludge discharge pump enters the deslimer, the deslimer is provided with a sludge discharge port and a water discharge port, the sludge discharge port is used for discharging sludge dewatered by the deslimer, the water discharge port is connected with a sewage tank, the sewage tank is used for storing sewage discharged from the water discharge port in a centralized manner, the sewage tank is provided with a drainage pump, and the drainage pump is connected with a sedimentation tank so that the sewage stored in the sewage tank in a centralized manner is conveyed into the sedimentation tank to be recycled.
Further, the bottom of sedimentation tank is provided with the detection piece, and the detection piece is connected with the controller to detect the content of the mud in the sedimentation tank and transmit the signal to the controller through the detection piece.
Further, an alarm device is arranged on one side of the sedimentation tank and connected with the detection piece, so that an alarm signal is sent out through the alarm device when the sludge content detected by the detection piece exceeds a preset value.
Further, alarm device includes the alarm lamp, and the alarm lamp setting is on the outer wall of sedimentation tank.
Further, alarm device still includes loudspeaker, and loudspeaker set up on the outer wall of sedimentation tank.
Furthermore, a mud scraper is arranged in the sedimentation tank, and at least part of the mud scraper is in contact with the inner bottom surface of the sedimentation tank.
Further, the sedimentation tank comprises a body part and a protruding part, the protruding part is arranged at the bottom of the body part and protrudes out of the bottom of the body part, and an inlet of the sludge discharge pump is communicated with the bottom of an accommodating cavity surrounded by the protruding part.
Further, the body part comprises a side plate and a bottom plate, the protruding part protrudes out of the bottom plate, the bottom plate is an annular plate, the protruding part is located at the annular inner ring of the annular plate, and the annular plate is arranged obliquely downwards along the direction from the annular outer ring of the annular plate to the annular inner ring of the annular plate.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a setting up the mode that the controller can control the mud pump, take out mud in the time of first predetermined length through controller control mud pump, through the time of second predetermined length in the stop work of controller control mud pump, like this, can be convenient for make mud in the sedimentation tank carry out abundant deposit in the time of second predetermined length, so that make mud pump can carry out abundant mud of arranging in the time of first predetermined length, avoided the mud of arranging in-process to take out more water, the fault rate of equipment has been reduced. Through the technical scheme provided by the utility model, the technical problem that the equipment fault rate of row's mud system among the prior art is high can be solved. And still through setting up desliming machine and sewage case, concentrate the sewage of discharging behind the desliming machine with mud, then carry the sedimentation tank again with sewage for sewage obtains reuse, when saving the water resource, has reduced the cost of handling water, because the positive ion in the sewage is arranged again in the sedimentation tank, in subsequent processing procedure, can reduce the use amount of positive ion.
Drawings
Fig. 1 is a schematic structural diagram of a sedimentation tank sludge discharge system for a sewage station.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1 is a sedimentation tank, 2 is a body part, 3 is a side plate, 4 is a bottom plate, 5 is a protrusion part, 6 is a sludge discharge pump, 7 is a controller, 8 is a desliming machine, 9 is a sludge scraper, 10 is a sewage tank, 11 is a drainage pump, 12 is a sludge discharge port, 13 is a drainage port, 14 is a driving motor, 15 is a main rod, 16 is a side rod, 17 is a sludge scraper, 18 is a telescopic part, and 19 is a telescopic part.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the presence of a first feature above or below a second feature may encompass direct contact of the first and second features, and may also encompass contact of the first and second features not being in direct contact, but via additional features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. Including a first feature being directly below and obliquely below a second feature, or simply indicating that the first feature is at a lesser elevation than the second feature, if present below, under or below the second feature.
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention is shown for illustrative purposes and is not limited to the above-mentioned structure.
Example one
As shown in fig. 1, a sludge discharge system of a sedimentation tank for a sewage station comprises a sedimentation tank 1, a sludge discharge pump 6, a controller 7, a desliming machine 8 and a sewage tank 10, wherein an inlet of the sludge discharge pump 6 is communicated with the bottom of the sedimentation tank 1 so as to pump sludge settled at the bottom of the sedimentation tank 1 through the sludge discharge pump 6; the controller 7 is connected with the sludge pump 6, so that the sludge pump 6 is controlled by the controller 7 to pump sludge in a first preset time period, and the sludge pump 6 is controlled to stop working in a second preset time period;
the outlet of the sludge discharge pump 6 is communicated with the feed inlet of the deslimer 8, so that sludge pumped by the sludge discharge pump 6 enters the deslimer 8, the deslimer 8 is provided with a sludge discharge port 12 and a water discharge port 13, the sludge discharge port 12 is used for discharging sludge dewatered by the deslimer 8, the water discharge port 13 is connected with a sewage tank 10, the sewage tank 10 is used for intensively storing sewage discharged by the water discharge port 13, the sewage tank 10 is provided with a drainage pump 11, and the drainage pump 11 is connected with the sedimentation tank 1, so that the sewage intensively stored in the sewage tank 10 is conveyed into the sedimentation tank 1 to be recycled.
The controller 7 in the present embodiment includes a timing portion by which the first predetermined period of time and the second predetermined period of time are set. The timing part is a timer.
The operating mode of controller 7 control sludge pump 6 is passed through to this embodiment, can be convenient for make the mud in the sedimentation tank 1 carry out abundant sediment like this, so that make sludge pump 6 when taking out mud in first predetermined duration, can fully discharge the mud under the sediment, avoided the mud deposit not enough and lead to the condition that has a large amount of water in the mud of sludge pump 6 exhaust, reduced the operation load of sludge pump 6, reduced the fault rate of sludge pump 6. Therefore, through the technical scheme that this embodiment provided, can solve the technical problem that the equipment fault rate of mud discharging system among the prior art is high.
The bottom of sedimentation tank 1 is provided with the detection piece, and the detection piece is connected with controller 7 to detect the content of the mud in sedimentation tank 1 and with signal transmission to controller 7 through the detection piece.
The content of the sludge is judged by detecting the content of metal ions at the bottom of the sedimentation tank 1 through a detection piece, when the content of the metal ions detected by the detection piece is greater than a preset value, the sludge sedimentation amount can be judged to be sufficient, and the detection piece transmits a detected signal to a controller 7; when the detected metal ion content is less than the preset value, the precipitation amount of the sludge can be judged to be insufficient, and the detection piece transmits the detected signal to the controller 7 to control the operation of the sludge discharge pump 6. Specifically, the detection piece is used for detecting whether the sludge content is greater than a preset value or not, and when the detection result is greater than the preset value, the exceeding of the sludge content is proved, so that the sludge pump 6 is controlled by the controller 7 to discharge sludge in time; and when the detection result is smaller than the preset value, carrying out circulation of mud pumping and operation stopping according to the normal first preset time and second preset time.
The desliming is carried out by the desliming machine 8, and the content of the discharged sludge is more, so that the desliming efficiency of the desliming machine 8 is improved, and the treatment cost of water in the sludge is reduced.
In this embodiment, be provided with transparent observation window at the lateral part of sedimentation tank 1, transparent observation window is located the lower part of sedimentation tank 1, and the staff can observe the sedimentation condition of the mud in sedimentation tank 1 through transparent observation window to the staff in time controls the working condition of mud pump 6 according to the mud sedimentation condition who observes, further improves row's mud efficiency.
And an alarm device is arranged on one side of the sedimentation tank 1 and is connected with the detection piece so as to send an alarm signal through the alarm device when the sludge content detected by the detection piece exceeds a preset value. The condition that the content of the sediment exceeds the standard can be conveniently found by workers in time.
Alarm device includes the alarm lamp, and the alarm lamp setting is on sedimentation tank 1's outer wall to in through light signal suggestion staff. The alarm device further comprises a loudspeaker, wherein the loudspeaker is arranged on the outer wall of the sedimentation tank 1 so as to prompt workers through acoustic signals.
A mud scraper 9 is arranged in the sedimentation tank 1, and at least part of the mud scraper 9 is in contact with the inner bottom surface of the sedimentation tank 1. So as to scrape away the mud at the bottom of the sedimentation tank 1 through a mud scraper 9.
The sedimentation tank 1 comprises a body part 2 and a protruding part 5, wherein the protruding part 5 is arranged at the bottom of the body part 2 and protrudes out of the bottom of the body part 2, and an inlet of a sludge discharge pump 6 is communicated with the bottom of an accommodating cavity enclosed by the protruding part 5. It is possible to facilitate the bottom sludge to fall into the projection 5 to better enable the sludge pump 6 to discharge the sludge in the projection 5.
The body part 2 comprises a side plate 3 and a bottom plate 4, a protruding part 5 protrudes out of the bottom plate 4, the bottom plate 4 is an annular plate, the protruding part 5 is located at an annular inner ring of the annular plate, and the annular plate is arranged obliquely downwards along the direction from the annular outer ring of the annular plate to the annular inner ring of the annular plate. It is possible to facilitate the sludge at the annular plate to fall into the projection 5, so as to facilitate better collection of the sludge by the projection 5.
In this embodiment, stainless steel pipes, elbows, a controller 7 (with a timing function), a pump, etc. are required. Mud in the sedimentation tank 1 deposits to the bottom of sedimentation tank 1 through mud scraper 9, installs controller 7 on dredge pump 6 for dredge pump 6 carries out periodic mud discharging to the mud of sedimentation tank 1 bottom, can make dredge pump 6 divide two minutes, stops the pump for twelve minutes, can carry out appropriate adjustment to controller 7 if the mud volume grow, thereby reaches the mud discharging requirement. According to the sewage treatment process, an operation manual suitable for the regular sludge discharge of the sedimentation tank 1 is designed and compiled. Manpower and material resources can be saved through the mode of timing operation. The cost of sludge treatment in the sedimentation tank 1 is reduced, the cost of sludge treatment is reduced, the pipeline is simple, the operation is simple and convenient, the controllability is high, and the management and the operation are easy. From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: carry out regularly opening and closing operation to dredge pump 6 through controller 7, can make the mud of sedimentation tank 1 (three heavy ponds) can in time be taken out by dredge pump 6 after deposiing, and dredge pump 6 can not take a large amount of water out to desliming machine 8 yet, make dredge pump 6 can realize the underload operation like this, the fault rate of equipment has been reduced, the water of simultaneously discharging to desliming machine 8 also significantly reduces, the number of desliming machine 8 and the quantity of medicament have been reduced, the cost is reduced, side sewage treatment's stability has been advanced, the efficiency of desliming machine 8 has been improved.
Example two
The second embodiment is a further optimization of the first embodiment.
The flow area of the protrusion 5 is gradually reduced in the direction from the body part 2 to the protrusion 5, in order to better collect the sludge.
As shown in fig. 2, the mud scraper 9 includes a driving motor 14, a main rod 15, side rods 16 and a mud scraper 17, the driving motor 14 is connected with the main rod 15, so that the driving motor 14 drives the main rod 15 to rotate, one end of the main rod 15 far away from the driving motor 14 is fixedly connected with the side rods 16, the side rods 16 have two sides, the two side rods 16 are oppositely distributed, one end of the side rod 16 far away from the main rod 15 is provided with the mud scraper 17, the mud scraper 17 extends towards the main rod 15 from one end of the side rod 16 far away from the main rod 15, the mud scraper 17 is positioned at the bottom side of the side rods 16 and faces to the inner bottom surface of the sedimentation tank, and the mud scraper 17 is in contact with the inner side wall of the sedimentation tank, so that the mud scraping effect is maximized, and the mud scraping efficiency is improved.
The mud scraper 9 further comprises a hydraulic device, the hydraulic device is connected with the main rod 15, the hydraulic device is used for driving the main rod 15 to move up and down, the middle of the main rod 15 is provided with a telescopic part 18, the telescopic part 18 is provided with a spring, and the length of the telescopic part 18 can change when the spring deforms.
The side bar 16 is provided with a telescopic member 19, the telescopic member 19 is provided with a spring, and the length of the telescopic member 19 changes when the spring is deformed.
The expansion part 18 and the expansion piece 19 can enable the mud scraper 9 to dynamically adjust the height and the width of mud scraping when the mud is scraped, so that the height and the width of the mud can be dynamically adapted to the height and the width of the inside mud accumulation of the sedimentation tank, the mud scraping effect is maximized, and the mud scraping efficiency is improved.
The above-mentioned embodiments are provided for illustration and not for limitation, and the changes of the examples and the replacement of equivalent elements should be understood as belonging to the scope of the present invention.
From the above detailed description, it will be apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit or essential attributes thereof.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims (8)

1. A sedimentation tank sludge discharge system for a sewage station is characterized by comprising a sedimentation tank, a sludge discharge pump, a controller, a sludge remover and a sewage tank, wherein the inlet of the sludge discharge pump is communicated with the bottom of the sedimentation tank so as to pump out sludge precipitated at the bottom of the sedimentation tank through the sludge discharge pump; the controller is connected with the sludge pump so as to control the sludge pump to pump sludge within a first preset time period and control the sludge pump to stop working within a second preset time period;
the outlet of the sludge discharge pump is communicated with the feed inlet of the deslimer so that sludge pumped by the sludge discharge pump enters the deslimer, the deslimer is provided with a sludge discharge port and a water discharge port, the sludge discharge port is used for discharging sludge dewatered by the deslimer, the water discharge port is connected with a sewage tank, the sewage tank is used for storing sewage discharged from the water discharge port in a centralized manner, the sewage tank is provided with a drainage pump, and the drainage pump is connected with a sedimentation tank so that the sewage stored in the sewage tank in a centralized manner is conveyed into the sedimentation tank to be recycled.
2. The sludge discharge system of a settling tank for a sewage station of claim 1, wherein the bottom of the settling tank is provided with a sensing member, and the sensing member is connected with the controller to sense the content of sludge in the settling tank through the sensing member and transmit a signal to the controller.
3. The sludge discharge system of a settling tank for a sewage station of claim 2, wherein an alarm device is provided at one side of the settling tank, and the alarm device is connected to the sensing member to give an alarm signal through the alarm device when the sludge content sensed by the sensing member exceeds a preset value.
4. The mud draining system for a sedimentation tank of a sewage station of claim 3, wherein the alarm means comprises an alarm lamp provided on an outer wall of the sedimentation tank.
5. The mud draining system for a settling tank of a sewage station of claim 4, wherein the alarm device further comprises a horn disposed on an outer wall of the settling tank.
6. The mud discharge system for a settling tank of a sewage station of claim 5, wherein a mud scraper is provided in the settling tank, the mud scraper being at least partially in contact with an inner bottom surface of the settling tank.
7. The mud discharge system of claim 6, wherein the settling tank includes a body portion and a protrusion portion provided at and protruding from a bottom of the body portion, and the inlet of the mud discharge pump communicates with a bottom of the receiving chamber defined by the protrusion portion.
8. The mud discharge system for a sedimentation tank of a sewage station of claim 7, wherein the body portion includes a side plate and a bottom plate, the protrusion protrudes from the bottom plate, the bottom plate is an annular plate, the protrusion is located at an annular inner ring of the annular plate, and the annular plate is disposed obliquely downward in a direction from the annular outer ring of the annular plate to the annular inner ring of the annular plate.
CN202023323162.9U 2020-12-31 2020-12-31 A sedimentation tank mud discharging system for sewage station Active CN214436774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023323162.9U CN214436774U (en) 2020-12-31 2020-12-31 A sedimentation tank mud discharging system for sewage station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023323162.9U CN214436774U (en) 2020-12-31 2020-12-31 A sedimentation tank mud discharging system for sewage station

Publications (1)

Publication Number Publication Date
CN214436774U true CN214436774U (en) 2021-10-22

Family

ID=78109547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023323162.9U Active CN214436774U (en) 2020-12-31 2020-12-31 A sedimentation tank mud discharging system for sewage station

Country Status (1)

Country Link
CN (1) CN214436774U (en)

Similar Documents

Publication Publication Date Title
CN214436774U (en) A sedimentation tank mud discharging system for sewage station
CN210506015U (en) Semiconductor material grinding wastewater sludge treatment system
CN209507818U (en) A kind of hot galvanizing pickling waste waters processing system
CN216404068U (en) Integrated device for treating fluorine-containing wastewater
CN214088031U (en) Waste water purification equipment
CN215102791U (en) Intelligent coal slime high-efficiency concentration treatment system
CN109663410A (en) A kind of mud abatement system and method that removable silting is intelligently cleaned
CN213112737U (en) Automatic dirty fungus of scraping is clear
CN214486415U (en) Floating type floating algae removing equipment
CN211752736U (en) Sludge discharge system
CN210815737U (en) Flotation automatic control charge device of coal preparation plant
KR102278033B1 (en) Wastewater treatment apparatus using electrocoagulation with back wash filter
CN209548910U (en) A kind of mud abatement system that removable silting is intelligently cleaned
CN208218549U (en) A kind of medical clinic sewage treatment purification system
CN213555634U (en) Automatic slag extractor of scraper formula filter
CN217757060U (en) Sewage treatment system
CN209714510U (en) Coating wastewater processing system
CN201971655U (en) Novel full-automatic air floatation equipment
CN218670050U (en) Hydraulic oil water trap
CN211004864U (en) Aluminum-containing wastewater treatment device
CN211896425U (en) Wastewater treatment device for thermal power plant
CN212941743U (en) Filter pipeline for hydraulic engineering
CN215975334U (en) Radioactive decontamination wastewater pretreatment device
CN215855504U (en) Underground pollution discharge and dehydration treatment equipment
CN211871650U (en) Small-size sewage treatment boat form sedimentation tank device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant