CN220058154U - Sludge suction treatment device for water pollution treatment - Google Patents

Sludge suction treatment device for water pollution treatment Download PDF

Info

Publication number
CN220058154U
CN220058154U CN202321418210.3U CN202321418210U CN220058154U CN 220058154 U CN220058154 U CN 220058154U CN 202321418210 U CN202321418210 U CN 202321418210U CN 220058154 U CN220058154 U CN 220058154U
Authority
CN
China
Prior art keywords
plate
suction
shaft
box body
fixed
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
CN202321418210.3U
Other languages
Chinese (zh)
Inventor
乔文广
韦辉
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.)
Linyi Environmental Protection Science Research Institute Co ltd
Original Assignee
Linyi Environmental Protection Science Research Institute 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 Linyi Environmental Protection Science Research Institute Co ltd filed Critical Linyi Environmental Protection Science Research Institute Co ltd
Priority to CN202321418210.3U priority Critical patent/CN220058154U/en
Application granted granted Critical
Publication of CN220058154U publication Critical patent/CN220058154U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Treatment Of Sludge (AREA)

Abstract

The utility model discloses a sludge suction treatment device for water pollution treatment, which comprises a floating plate, a draining mechanism, a suction mechanism, a protection mechanism and a telescopic rod, wherein the floating plate is arranged on the bottom of the suction mechanism; the floating plate bears a draining mechanism, a suction mechanism and a telescopic rod; one end of the telescopic rod is connected with the protection mechanism, and the suction mechanism is arranged on one side of the draining mechanism; the draining mechanism comprises a fixed plate, a partition plate, a push plate, a support plate, an electric push rod II and a box body; the box body is fixed on the floating plate, both sides of the box body are provided with draining holes, the height of each draining hole is higher than that of the fixing plate, and one end of the box body is provided with a cleaning opening for cleaning the drained sludge in the box body; the fixed plate is arranged in the middle of the box body, and two ends of the fixed plate are fixedly connected with the inner wall of the box body; the fixed plate both sides are equipped with roof I, roof II respectively and locate the centre of fixed plate, and electric putter II is equipped with a pair of and locates roof I both sides symmetrically. According to the utility model, quick draining can be realized through the draining mechanism, and the smoothness of the suction head is ensured through the protection mechanism, so that the sludge suction is continuous.

Description

Sludge suction treatment device for water pollution treatment
Technical Field
The utility model belongs to the technical field of water pollution treatment dredging, and particularly relates to a water pollution treatment sludge suction treatment device.
Background
Through retrieval, the application number is 202221124007.0, and the dredging device for environmental treatment is characterized in that a dredging box is arranged on a floating plate, and a sludge suction pump is arranged below the floating plate to suck sludge so as to clean a river channel; the floating plate can be controlled manually; the method has the advantages that the cleaned sludge can be collected, the sludge can be filtered by arranging the water draining tanks on the two sides of the dredging box respectively, most of water filtered by the sludge is guaranteed to flow into the river directly, and the dirt cleaning pressure of staff is reduced;
in the above working process, the sludge in the dredging box is extruded by the gravity of the self and matched with the water draining groove to drain, the draining speed is low, the efficiency is low, the dredging box can be filled up rapidly due to the fact that the volume of the water-containing sludge is large, the dredging box is required to be cleaned up frequently to come and go to the shore in the dredging process, the dredging efficiency is low, and further impurities in the sludge are more prone to blocking the suction head, so that the blockage is required to be cleared timely.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a sludge suction treatment device for water pollution treatment, which can realize quick draining through a draining mechanism and ensure the smoothness of a suction head through a protection mechanism so as to continuously suck sludge.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the sludge sucking treatment device for water pollution treatment comprises a floating plate, a draining mechanism, a sucking mechanism, a protection mechanism and a telescopic rod; the floating plate bears a draining mechanism, a suction mechanism and a telescopic rod; one end of the telescopic rod is connected with the protection mechanism, and the suction mechanism is arranged on one side of the draining mechanism.
The draining mechanism comprises a fixed plate, a partition plate, a push plate, a support plate, an electric push rod II and a box body; the box body is fixed on the floating plate, both sides of the box body are provided with draining holes, the height of each draining hole is higher than that of the fixing plate, and one end of the box body is provided with a cleaning opening for cleaning the drained sludge in the box body; the fixed plate is arranged in the middle of the box body, and two ends of the fixed plate are fixedly connected with the inner wall of the box body; the two sides of the fixed plate are respectively provided with a top plate I and a top plate II which are arranged in the middle of the fixed plate, the electric push rod II is provided with a pair of electric push rods which are symmetrically arranged on the two sides of the top plate I, the top shaft of the electric push rod II is fixedly connected with the push plate, and the base of the electric push rod II is fixedly connected with the top plate I; the push plate is provided with a pair of guide shafts I which are fixedly connected and are symmetrically arranged on two sides of the top plate I, and one side of the push plate is provided with the guide shafts I which are fixedly connected and are in sliding connection with the top plate I; one end of the push plate is provided with a mounting groove, a fixed arm is arranged in the mounting groove, and a limiting shaft is arranged on the fixed arm; the top end of the push plate is provided with an electric push rod I, a top shaft of the electric push rod I penetrates through the push plate and is fixedly connected with a fixed arm, and the fixed arm is controlled to move up and down in the mounting groove through the electric push rod I; the support plates are provided with a pair of support plates and are symmetrically arranged on two sides of the top plate II, and the support plates are positioned below the fixed plates; one side of the supporting plate is provided with a guide shaft II which is in sliding connection with the top plate II, the guide shaft II is sleeved with a spring, and the supporting plate is provided with a limiting hole for inserting the limiting shaft; the baffle is located fixed plate below and fixed connection box inner wall, and baffle isolation backup pad, roof II both contact with the mud after the waterlogging caused by excessive rainfall.
The suction mechanism comprises a motor I, a conveying pipe, a mud suction pump, a suction pipe and a suction head; the mud pump is fixed on the floating plate through a mounting seat, the motor I is fixed on the mounting seat for mounting the mud pump through a fixing seat, a chain wheel is arranged at the shaft end of the motor I, and one end of the conveying pipe is provided with the chain wheel and is rotationally connected with the mud pump; the suction pump is connected with a suction pipe, the end part of the suction pipe is provided with a suction head, and the suction pipe is connected with a protection mechanism; the motor I shaft end chain wheel is connected with the conveying pipe shaft end chain wheel through a chain; the conveying pipe is controlled to rotate through the motor I, so that the other end of the conveying pipe is aligned with the space on two sides of the top plate I in the box body, and the conveying direction is adjusted.
The protection mechanism comprises a cover body, a bottom plate, a toothed plate and a motor II; the two sides of the cover body are fixedly connected with telescopic rods, and the top of the cover body is provided with a sliding chute I and a sliding chute II; the side wall of the cover body is provided with a filtering hole; a motor II arranged in the protective cover is arranged at the top of the cover body, and a gear is arranged at the shaft end of the motor II; the toothed plate is arranged in the sliding groove II, and teeth are arranged on the inner ring of the toothed plate and meshed with a shaft end gear of the motor II; the toothed plate is driven to rotate in the sliding groove II by the motor II; the bottom plate is provided with a chute III and is matched with the cover body; the bottom plate is provided with a connecting column and is fixedly connected with a toothed plate.
Preferably, a roll shaft is arranged in the cover body, and two ends of the roll shaft are respectively and rotatably connected with the toothed plate and the bottom plate; the top end of the roll shaft is provided with a limiting block and is arranged in the chute I; the roll shaft is provided with a top shaft and corresponds to the filtering holes on the side wall of the cover body.
Preferably, the two sides of the bottom plate are provided with scrapers, and the scrapers are arranged on the outer side of the cover body; for scraping off plugs of the top shaft pushing out the filter holes.
Compared with the prior art, the utility model has the beneficial effects that:
1) Further, the sludge is pumped to a draining mechanism, the conveying direction of a conveying pipe is controlled through a motor I, firstly, a limiting shaft on a fixed arm is controlled through a push rod I on a push plate to release the fit with a limiting hole on a supporting plate, then the supporting plate is pushed by a spring to be ejected to the inner wall of a box body along a guide shaft II, and then the conveying pipe conveys the sludge to one side of the supporting plate and the top plate I; the electric push rod II pushes the push plate to stably squeeze the sludge, so that water in the sludge is filtered through the draining holes, and the occupied space of the sludge is reduced; after the sludge is squeezed and filtered, the fixed arm and the limiting shaft are controlled by the electric push rod I to be inserted into the limiting hole, the supporting plate is driven to reset by the reset of the top shaft of the electric push rod II, and the drained sludge gradually falls into a box body of the other side below the fixed plate for collection along with the recovery and reset of the supporting plate; then the conveying pipe is controlled by the motor I to rotate to the other side of the top plate I for conveying, so that the effect of alternately draining the two sides of the top plate I is realized, the working efficiency is improved, the effective bearing capacity of the box body on the sludge is increased, and the defect that the box body is filled up rapidly due to excessive water content of the sludge is avoided;
2) When the suction pump sucks sludge, the motor II drives the toothed plate to rotate, and then drives the roll shaft to rotate, and the top shaft on the roll shaft props against the filter hole on the cover body to push out the blocking material in the filter hole, and the scraper is matched to scrape off the pushed blocking material, so that the filter hole is smooth and the suction efficiency of the sludge is ensured.
Drawings
FIG. 1 is a schematic diagram of a water pollution treatment sludge suction treatment device;
FIG. 2 is a schematic view of the draining mechanism of FIG. 1;
FIG. 3 is a schematic diagram of a draining mechanism in FIG. 1;
FIG. 4 is a schematic diagram III of the draining mechanism of FIG. 1;
FIG. 5 is a schematic diagram of the draining mechanism of FIG. 1;
FIG. 6 is a schematic view of the guard mechanism of FIG. 1;
FIG. 7 is a schematic view of the structure of the housing of FIG. 6;
in the figure: 1. a floating plate; 2. a draining mechanism; 21. a fixing plate; 211. a top plate I; 212. a top plate II; 22. a partition plate; 23. a push plate; 231. an electric push rod I; 232. a mounting groove; 233. a guide shaft I; 234. a fixed arm; 235. a limiting shaft; 24. a support plate; 241. a guide shaft II; 242. a spring; 243. a limiting hole; 25. an electric push rod II; 26. a case; 261. a draining hole; 262. cleaning the mouth; 3. a suction mechanism; 31. a motor I; 32. a delivery tube; 33. a suction pump; 34. a suction tube; 35. a suction head; 4. a protective mechanism; 41. a cover body; 411. a chute I; 412. a chute II; 42. a bottom plate; 421. a chute III; 422. a connecting column; 43. a toothed plate; 44. a roll shaft; 441. a limiting block; 442. a top shaft; 45. a scraper; 46. a motor II; 5. a telescopic rod.
Detailed Description
In order to facilitate understanding of those skilled in the art, the technical scheme of the present utility model will be further specifically described below with reference to fig. 1 to 7.
The sludge suction treatment device for water pollution treatment comprises a floating plate 1, a draining mechanism 2, a suction mechanism 3, a protection mechanism 4 and a telescopic rod 5; the floating plate 1 carries a draining mechanism 2, a suction mechanism 3 and a telescopic rod 5; one end of the telescopic rod 5 is connected with the protection mechanism 4, and the suction mechanism 3 is arranged on one side of the draining mechanism 2.
The draining mechanism 2 comprises a fixed plate 21, a partition plate 22, a push plate 23, a supporting plate 24, an electric push rod II 25 and a box body 26; the box body 26 is fixed on the floating plate 1, drain holes 261 are formed in two sides of the box body 26, the height of each drain hole 261 is higher than that of the fixed plate 21, and a cleaning opening 262 is formed in one end of the box body 26 and used for cleaning the drained sludge in the box body 26; the fixing plate 21 is arranged in the middle of the box body 26, and two ends of the fixing plate are fixedly connected with the inner wall of the box body 26; the two sides of the fixed plate 21 are respectively provided with a top plate I211 and a top plate II 212 which are arranged in the middle of the fixed plate 21, the electric push rod II 25 is provided with a pair of symmetrical push rods which are arranged at the two sides of the top plate I211, the top shaft of the electric push rod II 25 is fixedly connected with the push plate 23, and the base of the electric push rod II 25 is fixedly connected with the top plate I211; the push plate 23 is provided with a pair of guide shafts I233 which are fixedly connected and are symmetrically arranged on two sides of the top plate I211, and one side of the push plate 23 is provided with a guide shaft I233 which is fixedly connected and is in sliding connection with the top plate I211; one end of the push plate 23 is provided with a mounting groove 232, a fixed arm 234 is arranged in the mounting groove 232, and a limiting shaft 235 is arranged on the fixed arm 234; the top end of the push plate 23 is provided with an electric push rod I231, the top shaft of the electric push rod I231 penetrates through the push plate 23 and is fixedly connected with a fixed arm 234, and the fixed arm 234 is controlled to move up and down in the mounting groove 232 through the electric push rod I231; the support plates 24 are provided with a pair of symmetrical support plates 24 which are symmetrically arranged on two sides of the top plate II 212, and the support plates 24 are positioned below the fixed plates 21; one side of the supporting plate 24 is provided with a guide shaft II 241 and is in sliding connection with the top plate II 212, the guide shaft II 241 is sleeved with a spring 242, and the supporting plate 24 is provided with a limiting hole 243 for inserting a limiting shaft 235; the baffle 22 is arranged below the fixed plate 21 and fixedly connected with the inner wall of the box 26, and the baffle 22 isolates the contact between the support plate 24 and the top plate II 212 and the drained sludge.
The suction mechanism 3 comprises a motor I31, a conveying pipe 32, a mud suction pump 33, a suction pipe 34 and a suction head 35; the mud pump 33 is fixed on the floating plate 1 through a mounting seat, the motor I31 is fixed on the mounting seat for mounting the mud pump 33 through a fixing seat, a chain wheel is arranged at the shaft end of the motor I31, and a chain wheel is arranged at one end of the conveying pipe 32 and is rotationally connected with the mud pump 33; the suction pump 33 is connected with a suction pipe 34, a suction head 35 is arranged at the end part of the suction pipe 34, and the suction pipe 34 is connected with the protection mechanism 4; the motor I31 shaft end chain wheel is connected with the conveying pipe 32 shaft end chain wheel through a chain; the motor I31 controls the conveying pipe 32 to rotate, so that the other end of the conveying pipe 32 is aligned with the space on two sides of the top plate I211 in the box 26, and the conveying direction is adjusted.
The protection mechanism 4 comprises a cover 41, a bottom plate 42, a toothed plate 43 and a motor II 46; the two sides of the cover body 41 are fixedly connected with the telescopic rods 5, and the top of the cover body 41 is provided with a chute I411 and a chute II 412; the side wall of the cover body 41 is provided with a filtering hole; the top of the cover body 41 is provided with a motor II 46 arranged in the protective cover, and the shaft end of the motor II 46 is provided with a gear; the toothed plate 43 is arranged in the sliding groove II 412, and teeth are arranged on the inner ring of the toothed plate 43 and meshed with a shaft end gear of the motor II 46; the toothed plate 43 is driven to rotate in the sliding groove II 412 by the motor II 46; the bottom plate 42 is provided with a chute III 421 and is matched with the cover 41; the bottom plate 42 is provided with a connecting column 422 and fixedly connected with the toothed plate 43.
A roll shaft 44 is arranged in the cover 41, and two ends of the roll shaft 44 are respectively and rotatably connected with the toothed plate 43 and the bottom plate 42; the top end of the roll shaft 44 is provided with a limiting block 441 and is arranged in the chute I411; the roller shaft 44 is provided with a top shaft 442 corresponding to the filter hole on the side wall of the cover 41.
The two sides of the bottom plate 42 are provided with scrapers 45, and the scrapers 45 are arranged on the outer side of the cover 41; for scraping the plug from the filter bore by the top shaft 442.
A water pollution treatment sludge suction treatment device has the following working processes:
when the sludge is pumped, the protection mechanism and the suction head are controlled by the telescopic rod to stretch into the sludge, then the sludge is pumped by the suction pump, the toothed plate is driven to rotate by the motor II, the roller shaft is driven to rotate, the filter hole on the cover body is propped against the top shaft on the roller shaft, the blocking material in the filter hole is ejected, and the ejected blocking material is scraped by the scraper, so that the filter hole is smooth and the suction efficiency of the sludge is ensured.
Further, the sludge is pumped to a draining mechanism, the conveying direction of a conveying pipe is controlled through a motor I, firstly, a limiting shaft on a fixed arm is controlled through a push rod I on a push plate to release the fit with a limiting hole on a supporting plate, then the supporting plate is pushed by a spring to be ejected to the inner wall of a box body along a guide shaft II, and then the conveying pipe conveys the sludge to one side of the supporting plate and the top plate I; the electric push rod II pushes the push plate to stably squeeze the sludge, so that water in the sludge is filtered through the draining holes, and the occupied space of the sludge is reduced; after the sludge is squeezed and filtered, the fixed arm and the limiting shaft are controlled by the electric push rod I to be inserted into the limiting hole, the supporting plate is driven to reset by the reset of the top shaft of the electric push rod II, and the drained sludge gradually falls into a box body of the other side below the fixed plate for collection along with the recovery and reset of the supporting plate.
Then the motor I controls the conveying pipe to rotate to the other side of the top plate I for conveying, so that the effect of alternately draining the two sides of the top plate I is realized; the working efficiency is improved.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. The sludge sucking treatment device for water pollution treatment comprises a floating plate, a draining mechanism, a sucking mechanism, a protection mechanism and a telescopic rod; the floating plate is characterized in that the floating plate bears a draining mechanism, a suction mechanism and a telescopic rod; one end of the telescopic rod is connected with the protection mechanism, and the suction mechanism is arranged on one side of the draining mechanism;
the draining mechanism comprises a fixed plate, a partition plate, a push plate, a support plate, an electric push rod II and a box body; the box body is fixed on the floating plate, both sides of the box body are provided with draining holes, the height of each draining hole is higher than that of the fixing plate, and one end of the box body is provided with a cleaning opening for cleaning the drained sludge in the box body; the fixed plate is arranged in the middle of the box body, and two ends of the fixed plate are fixedly connected with the inner wall of the box body; the two sides of the fixed plate are respectively provided with a top plate I and a top plate II which are arranged in the middle of the fixed plate, the electric push rod II is provided with a pair of electric push rods which are symmetrically arranged on the two sides of the top plate I, the top shaft of the electric push rod II is fixedly connected with the push plate, and the base of the electric push rod II is fixedly connected with the top plate I; the push plate is provided with a pair of guide shafts I which are fixedly connected and are symmetrically arranged on two sides of the top plate I, and one side of the push plate is provided with the guide shafts I which are fixedly connected and are in sliding connection with the top plate I; one end of the push plate is provided with a mounting groove, a fixed arm is arranged in the mounting groove, and a limiting shaft is arranged on the fixed arm; the top end of the push plate is provided with an electric push rod I, and a top shaft of the electric push rod I penetrates through the push plate and is fixedly connected with a fixed arm; the support plates are provided with a pair of support plates and are symmetrically arranged on two sides of the top plate II, and the support plates are positioned below the fixed plates; one side of the supporting plate is provided with a guide shaft II which is in sliding connection with the top plate II, the guide shaft II is sleeved with a spring, and the supporting plate is provided with a limiting hole for inserting the limiting shaft; the baffle is located fixed plate below and fixed connection box inner wall, and baffle isolation backup pad, roof II both contact with the mud after the waterlogging caused by excessive rainfall.
2. The water pollution treatment sludge suction treatment device according to claim 1, wherein the suction mechanism comprises a motor I, a conveying pipe, a sludge suction pump, a suction pipe and a suction head; the mud pump is fixed on the floating plate through a mounting seat, the motor I is fixed on the mounting seat for mounting the mud pump through a fixing seat, a chain wheel is arranged at the shaft end of the motor I, and one end of the conveying pipe is provided with the chain wheel and is rotationally connected with the mud pump; the suction pump is connected with a suction pipe, the end part of the suction pipe is provided with a suction head, and the suction pipe is connected with a protection mechanism; the motor I shaft end chain wheel is connected with the conveying pipe shaft end chain wheel through a chain.
3. The water pollution treatment sludge suction treatment device according to claim 1, wherein the protection mechanism comprises a cover body, a bottom plate, a toothed plate and a motor II; the two sides of the cover body are fixedly connected with telescopic rods, and the top of the cover body is provided with a sliding chute I and a sliding chute II; the side wall of the cover body is provided with a filtering hole; a motor II arranged in the protective cover is arranged at the top of the cover body, and a gear is arranged at the shaft end of the motor II; the toothed plate is arranged in the sliding groove II, and teeth are arranged on the inner ring of the toothed plate and meshed with a shaft end gear of the motor II; the bottom plate is provided with a chute III and is matched with the cover body; the bottom plate is provided with a connecting column and is fixedly connected with a toothed plate.
4. The water pollution treatment sludge suction treatment device according to claim 3, wherein a roll shaft is arranged in the cover body, and two ends of the roll shaft are respectively and rotatably connected with the toothed plate and the bottom plate; the top end of the roll shaft is provided with a limiting block and is arranged in the chute I; the roll shaft is provided with a top shaft and corresponds to the filtering holes on the side wall of the cover body.
5. A water pollution treatment sludge suction treatment device according to claim 3, wherein the two sides of the bottom plate are provided with scrapers, and the scrapers are arranged on the outer side of the cover body.
CN202321418210.3U 2023-06-06 2023-06-06 Sludge suction treatment device for water pollution treatment Active CN220058154U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321418210.3U CN220058154U (en) 2023-06-06 2023-06-06 Sludge suction treatment device for water pollution treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321418210.3U CN220058154U (en) 2023-06-06 2023-06-06 Sludge suction treatment device for water pollution treatment

Publications (1)

Publication Number Publication Date
CN220058154U true CN220058154U (en) 2023-11-21

Family

ID=88754675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321418210.3U Active CN220058154U (en) 2023-06-06 2023-06-06 Sludge suction treatment device for water pollution treatment

Country Status (1)

Country Link
CN (1) CN220058154U (en)

Similar Documents

Publication Publication Date Title
CN220058154U (en) Sludge suction treatment device for water pollution treatment
CN220100141U (en) Foundation pit drainage device with automatic cleaning and blocking functions
CN210964265U (en) Sewage treatment equipment with anti-blocking function
CN112316499A (en) Sewage treatment pond based on environmental protection
CN116784489A (en) Device for filtering impurities of wild jujube cake
CN114917645B (en) Plastic pipe convenient for sewage disposal
CN217043851U (en) Visual oil smoke pipeline belt cleaning device
CN113259555B (en) Traffic management is with spherical camera of automatically cleaning
CN216041035U (en) Dirt filtering type self-flowing water draining hole for hydropower station
CN214829408U (en) Oil-water filtering device in sewage
CN214914103U (en) Anti-silting lifting device for inverted siphon
CN206027172U (en) High -efficient skimming formula mud scraper of arranging mud
CN212716749U (en) Mine underground drainage device
CN210009690U (en) Sponge city rainwater collection and purification device capable of cleaning garbage
CN212662857U (en) Dirt removing device for sewage treatment
CN219547716U (en) Silt cleaning equipment for hydraulic engineering
CN220790072U (en) Pipeline dredging equipment
CN113417330A (en) Hydraulic engineering uses high-efficient silt remover
CN220414477U (en) Ponding drainage device
CN216155630U (en) Sand-water separation device of sewage pump station
CN215621893U (en) Water receiving chassis for muck car washer
CN116905538B (en) Drainage auxiliary structure for large deep foundation pit engineering
CN215562980U (en) Green water circulating system that plants of municipal administration
CN220134208U (en) Water pumping device for pond precipitation in silt soil
CN220414467U (en) Basement drainage equipment with scrubbing function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant