CN217794793U - Self-cleaning municipal water supply and drainage filtering device - Google Patents

Self-cleaning municipal water supply and drainage filtering device Download PDF

Info

Publication number
CN217794793U
CN217794793U CN202221900572.1U CN202221900572U CN217794793U CN 217794793 U CN217794793 U CN 217794793U CN 202221900572 U CN202221900572 U CN 202221900572U CN 217794793 U CN217794793 U CN 217794793U
Authority
CN
China
Prior art keywords
baffle
self
water supply
municipal water
cover plate
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
CN202221900572.1U
Other languages
Chinese (zh)
Inventor
徐小龙
田其
蒋胜军
陈乐�
李新
李桐
武波
毕竞
丰硕
党振芳
王启乾
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.)
China Construction First Group Corp Ltd
China Construction Municipal Engineering Corp Ltd
Original Assignee
China Construction First Group Corp Ltd
China Construction Municipal Engineering Corp 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 China Construction First Group Corp Ltd, China Construction Municipal Engineering Corp Ltd filed Critical China Construction First Group Corp Ltd
Priority to CN202221900572.1U priority Critical patent/CN217794793U/en
Application granted granted Critical
Publication of CN217794793U publication Critical patent/CN217794793U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a self-cleaning municipal water supply and drainage filtering device, wherein, the upper surface of a cover plate is provided with a plurality of filtering through grooves; the top end of the spring telescopic rod is fixedly connected with the lower surface of the cover plate; the baffle is connected with the bottom end of the supporting block, the periphery of the baffle is provided with a vertically upward baffle ring and at least one through water port, and the baffle ring encloses the cover plate; the plurality of sliding blocks are arranged between the cover plate and the baffle plate, the sliding blocks are connected with the filtering through grooves in a sliding mode in the vertical direction, the first through grooves are formed in the side surfaces of the sliding blocks, the second through grooves are formed in the upper surface of the sliding blocks, the second through grooves are fixedly connected with the filter screen, the interiors of the first through grooves and the second through grooves are communicated, and the top blocks are arranged at two ends of the upper surface of the sliding blocks; the funnel is fixed on the lower surface of the baffle, and the lower end of the funnel is fixedly communicated with a connecting pipe of the water through opening; the water storage bin is communicated with the bottom end of the connecting pipe, and the lower end of the water storage bin is provided with a drain pipe. This filter equipment of municipal water supply drainage of self-cleaning convenient to use and degree of automation are high.

Description

Self-cleaning municipal water supply and drainage filtering device
Technical Field
The utility model relates to a municipal administration water supply and drainage technical field especially relates to a filter equipment of municipal administration water supply and drainage of self-cleaning.
Background
Water flow pipeline for municipal construction is one of the necessary common equipment of municipal water supply and drainage in-process, and at municipal road surface drainage in-process, as the transfer passage of rivers and impurity, the logical stifled performance of pipeline will directly influence the quality of whole municipal water supply and drainage operation, leads to the drainage to be obstructed in order to prevent that the pipe blockage from, current special filter equipment. Municipal water supply and drainage engineering filter equipment like prior art can hold the swing handle with the hand and rotate to take out the frame in the fixed slot, be convenient for the clearance personnel change and clear up the filter screen, however quantity and scope that municipal drainage set up are often very big, and the filter screen of jam is changed in heavy rain weather manual work consumes manpower resources very much, causes the investigation careless omission or personnel injured problem moreover easily, and it is not convenient enough to use.
The above information disclosed in the background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is well known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filter equipment of municipal water supply and drainage from clearance, the quantity and the scope of having solved municipal drainage setting are often very big, and the artificial filter screen of changing the jam in heavy rain weather consumes manpower resources very much, causes the investigation to leak or personnel injured problem moreover easily, uses not convenient enough technical problem.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model relates to a self-cleaning municipal water supply and drainage filtering device which comprises,
the upper surface of the cover plate is provided with a plurality of filtering through grooves;
the top end of the spring telescopic rod is fixedly connected with the lower surface of the cover plate;
the top end of the supporting block is connected with the bottom end of the spring telescopic rod;
the baffle is connected with the bottom end of the supporting block, a baffle ring which is vertically upward and at least one through water opening are arranged on the periphery of the baffle, and the baffle ring encloses the cover plate;
a plurality of sliding blocks arranged between the cover plate and the baffle plate, the sliding blocks are connected with the filtering through grooves in a sliding way in the vertical direction and comprise,
a first through groove provided on a side surface of the slider,
the second through groove is arranged on the upper surface of the sliding block, the second through groove is fixedly connected with the filter screen, the interiors of the first through groove and the second through groove are communicated,
the top blocks are arranged at two ends of the upper surface of the sliding block;
the funnel is fixed on the lower surface of the baffle, and the lower end of the funnel is fixedly communicated with a connecting pipe of the water through opening;
the water storage bin is communicated with the bottom end of the connecting pipe, and a drain pipe is arranged at the lower end of the water storage bin.
In the self-cleaning municipal water supply and drainage filtering device, the lower end of the connecting pipe is fixedly connected with a connecting rod, and the connecting rod is erected on the inner wall of the water storage bin.
In the self-cleaning municipal water supply and drainage filtering device, the lower surface of the baffle ring is fixedly connected with a flow guide baffle plate.
In the self-cleaning municipal water supply and drainage filtering device, the flow guide baffle is of a truncated cone structure.
In the self-cleaning municipal water supply and drainage filtering device, the top block is a semicircular lug.
In the self-cleaning municipal water supply and drainage filtering device, the water storage bin is in an inverted round table shape.
In the self-cleaning municipal water supply and drainage filtering device, the cover plate is of a circular structure.
In the self-cleaning municipal water supply and drainage filtering device, the filtering device has a centrosymmetric structure.
In the self-cleaning municipal water supply and drainage filtering device, the sliding block is of a cuboid structure.
In the self-cleaning municipal water supply and drainage filtering device, the diameter of the drainage pipe is smaller than that of the connecting pipe.
In the technical scheme, the utility model provides a pair of filter equipment of municipal water supply and drainage from clearance has following beneficial effect: the utility model discloses a set up spring telescopic link and slider, lead to the groove when impurity is plugged up when filtering, the discharge that flows on the baffle diminishes gradually, when diminishing to when being less than drain pipe department rivers mediation speed, the water level descends weight reduction gradually in the sump water, thereby spring atress reduces and recovers upwards the pulling with the baffle gradually in the spring telescopic link, the baffle drives the slider again and shifts up and make the kicking block stretch out and filter the opening on leading to the groove, jack-up impurity, utilize follow-up rivers to wash away impurity, filter and lead to the groove and resume unobstructed back, the baffle descends the biggest dynamics of extreme position assurance mediation again, do not need artifical clearance, device itself can realize automatic clearance impurity, the quantity and the scope of having solved municipal drainage setting are often very big, the man power resource is consumed very much at the artifical filter screen of changing the jam of heavy rain weather, and cause the investigation to dredge easily or personnel injured problem. Through setting up fender ring and water conservancy diversion baffle, when the rainwater is less, rivers can be blockked by the fender ring and can not leak on flowing to the baffle, all rainwater is all discharged through the drain pipe, thereby conveniently judge whether too big rainwater flow, whether need the slider gliding to increase rivers mediation dynamics, reduce the error, rainwater flows out from the baffle epitaxy when avoiding rivers great, the not enough problem of mediation dynamics that causes of not descending of the not enough baffle of spring telescopic link atress, when the rainwater is great when spilling over from fender ring upper end, the effect of sheltering from the sump is played to the water conservancy diversion baffle, avoid rainwater secondary impact sump to cause the too big problem of spring atress in the spring telescopic link, it is tired to reduce spring telescopic link inner spring, extension life.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic diagram of a self-cleaning municipal water supply and drain filtration apparatus.
FIG. 2 is a disassembled schematic view of a self-cleaning municipal water supply and drain filtration apparatus.
Fig. 3 is a schematic view of the construction of a self-cleaning slide block of a municipal water supply and drainage filter unit.
Fig. 4 is an enlarged schematic view of a portion of the filtration apparatus of the self-cleaning municipal feedwater drain of fig. 1 at a.
Detailed 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
The first embodiment is as follows:
please refer to fig. 1-4, the utility model discloses a cover plate 1, the upper surface of cover plate 1 runs through and has been seted up and filter through groove 2, the lower surface center department fixedly connected with spring telescopic rod 3 of cover plate 1, the lower fixed surface of spring telescopic rod 3 is connected with supporting shoe 4, the lower fixed surface of supporting shoe 4 is connected with baffle 5 and has all run through and has been seted up water service port 6 about both ends of the upper surface of baffle 5, the lower fixed surface of baffle 5 is connected with funnel 8, the lower extreme fixedly connected with connecting pipe 9 of funnel 8, both sides equal fixedly connected with connecting rod 10 around the lower extreme of connecting pipe 9, connecting rod 10 keeps away from the one end fixedly connected with storage water storehouse 11 of connecting pipe 9, the lower extreme left side fixedly connected with drain pipe 12 of storage water storehouse 11, the inner wall that filters through groove 2 runs through sliding connection has slider 13, the left surface of slider 13 runs through and has seted up first through groove 14, the upper surface of slider 13 runs through and has seted up second through groove 15, first through groove 14 and second through groove 15 inside link up mutually, both ends equal fixedly connected with kicking block 16 before the upper end of slider 13, the inner wall upper end fixedly connected with filter screen 17 of second through groove 15, kicking block 16 shape is semicircular.
When rainwater carries impurities such as leaves and stones to flow onto the cover plate 1, liquid flows into the second through groove 15 through the filter screen 17, then flows out through the first through groove 14 to fall onto the baffle 5, then flows into the funnel 8 through the water through port 6, finally flows into the connecting pipe 9 and the water storage bin 11 and is discharged from the drain pipe 12, the caliber of the drain pipe 12 is small, when the rainwater flow is small, the drain pipe 12 can timely discharge rainwater, the water flow flowing into the baffle 5 and the water storage bin 11 is dynamically balanced with the discharge amount of the drain pipe 12, the spring in the spring telescopic rod 3 is slightly stretched, the upper end of the second through groove 15 is also positioned above the filter through groove 2, the top block 16 plays a supporting role, when the impurities are shielded above the filter screen 17, the top block 16 supports the impurities to prevent the bottom surface of the impurities from being attached to the filter screen 17 to cause blockage, and the top block 16 is semicircular in shape to prevent the impurities from being blocked, then the water flow on the road surface can wash away the impurities on the top block 16, thereby realizing the anti-blocking, when the rainwater flow is larger, the discharged flow at the drain pipe 12 is smaller than the inflow, the water level in the water storage bin 11 gradually rises and the weight is increased, the pulling force applied to the spring in the spring telescopic rod 3 is increased, the baffle 5 descends, the upper end of the second through groove 15 slides to the lower part of the filtering through groove 2, the rainwater can directly flow down from the filtering through groove 2, thereby increasing the drainage strength, avoiding the water accumulation on the road surface, when the filtering through groove 2 is blocked by the impurities, the water flow flowing onto the baffle 5 gradually decreases, when the water flow is decreased to be smaller than the dredging speed of the water flow at the drain pipe 12, the water level in the water storage bin 11 gradually decreases the weight, the spring in the spring telescopic rod 3 is reduced in the stress, thereby gradually recovering to pull the baffle 5 upwards, the baffle 5 drives the slide block 13 to move upwards to make the top block 16 extend out of the upper opening of the filtering through groove 2, with impurity jack-up, utilize follow-up rivers to wash away impurity, it resumes unobstructed back to filter through groove 2, baffle 5 descends to the extreme lower position again and guarantees the biggest mediation dynamics, do not need artifical clearance, automatic clearance impurity can be realized to device itself, the quantity and the scope of having solved municipal drainage setting are often very big, it consumes manpower resources very much to change the filter screen that blocks up at heavy rain weather manual work, and cause the investigation to dredge easily or personnel injured problem, use inconvenient technical problem inadequately, supporting shoe 4 prevents that rivers from corroding spring telescopic link 3 and causing the trouble with 3 bed hedgehopping of spring telescopic link, and the service life is prolonged.
Example two:
referring to fig. 1-2, based on the first embodiment, the present invention provides a technical solution: the baffle 5 is fixedly sleeved on the circumferential side surface of the baffle 7, the lower surface of the baffle 7 is fixedly connected with a flow guide baffle 18, and the water storage bin 11 is in an inverted round table shape. When the rainwater is less, rivers can be blockked by fender ring 7 and can not leak on flowing to baffle 5, whole rainwater is all discharged through drain pipe 12, thereby conveniently judge whether too big rainwater flow, whether need slider 13 gliding increase rivers mediation dynamics, reduce the error, rainwater flows out from baffle 5 epitaxy when avoiding rivers great, the not enough problem of mediation dynamics is caused in the not enough decline of 3 not enough baffles of spring telescopic link's atress 5, when the rainwater is great to spill over from fender ring 7 upper end, water conservancy diversion baffle 18 plays the effect of sheltering from water storage bin 11, avoid rainwater secondary impact water storage bin 11 to cause the too big problem of 3 interior spring atress of spring telescopic link, it is tired to reduce 3 interior springs of spring telescopic link, extension length device life.
When rainwater carries impurities such as leaves and stones to flow onto the cover plate 1, liquid flows into the second through groove 15 through the filter screen 17, then flows out through the first through groove 14 to fall onto the baffle 5, then flows into the funnel 8 through the water through port 6, finally flows into the connecting pipe 9 and the water storage bin 11 and is discharged from the drain pipe 12, the caliber of the drain pipe 12 is small, when the rainwater flow is small, the drain pipe 12 can timely discharge rainwater, the water flow flowing into the baffle 5 and the water storage bin 11 is dynamically balanced with the discharge amount of the drain pipe 12, the spring in the spring telescopic rod 3 is slightly stretched, the upper end of the second through groove 15 is also positioned above the filter through groove 2, the top block 16 plays a supporting role, when the impurities are shielded above the filter screen 17, the top block 16 supports the impurities to prevent the bottom surface of the impurities from being attached to the filter screen 17 to cause blockage, and the top block 16 is semicircular in shape to prevent the impurities from being blocked, then the water flow on the road surface can wash away the impurities on the top block 16, thereby realizing the anti-blocking, when the rainwater flow is larger, the discharged flow at the drain pipe 12 is smaller than the inflow, the water level in the water storage bin 11 gradually rises and the weight is increased, the pulling force applied to the spring in the spring telescopic rod 3 is increased, the baffle 5 descends, the upper end of the second through groove 15 slides to the lower part of the filtering through groove 2, the rainwater can directly flow down from the filtering through groove 2, thereby increasing the drainage strength, avoiding the water accumulation on the road surface, when the filtering through groove 2 is blocked by the impurities, the water flow flowing onto the baffle 5 gradually decreases, when the water flow is decreased to be smaller than the dredging speed of the water flow at the drain pipe 12, the water level in the water storage bin 11 gradually decreases the weight, the spring in the spring telescopic rod 3 is reduced in the stress, thereby gradually recovering to pull the baffle 5 upwards, the baffle 5 drives the slide block 13 to move upwards to make the top block 16 extend out of the upper opening of the filtering through groove 2, jack up impurity, utilize follow-up rivers to wash away impurity, filter and lead to groove 2 and resume unobstructed back, baffle 5 descends to the extreme lower position again and guarantees the biggest mediation dynamics, do not need artifical clearance, device itself can realize automatic clearance impurity, when the rainwater is less, rivers flow to and can be blockked by fender ring 7 on the baffle 5 and can not leak, whole rainwater all is discharged through drain pipe 12, thereby conveniently judge whether too big rainwater flow, whether need slider 13 gliding to increase rivers mediation dynamics, reduce the error, rainwater flows out from baffle 5 epitaxy when avoiding rivers great, the not enough problem of mediation dynamics is caused in the not decline of 3 not enough baffles of stress of spring telescopic link 5, when the rainwater is great to spill over from fender ring 7 upper end, water conservancy diversion baffle 18 plays the effect of sheltering from water storage storehouse 11, avoid rainwater secondary impact water storage storehouse 11 to cause the too big problem of 3 internal spring atress of spring telescopic links, reduce 3 internal spring fatigue of spring telescopic links, extension device life.
Finally, it should be noted that: the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (10)

1. A self-cleaning municipal water supply and drainage filtering device is characterized by comprising,
the upper surface of the cover plate is provided with a plurality of filtering through grooves;
the top end of the spring telescopic rod is fixedly connected with the lower surface of the cover plate;
the top end of the supporting block is connected with the bottom end of the spring telescopic rod;
the baffle is connected with the bottom end of the supporting block, a baffle ring which is vertically upward and at least one through water opening are arranged on the periphery of the baffle, and the baffle ring encloses the cover plate;
a plurality of sliding blocks arranged between the cover plate and the baffle plate, the sliding blocks are connected with the filtering through grooves in a sliding way in the vertical direction and comprise,
a first through groove provided on a side surface of the slider,
the second through groove is arranged on the upper surface of the sliding block, the second through groove is fixedly connected with the filter screen, the interiors of the first through groove and the second through groove are communicated,
the top blocks are arranged at two ends of the upper surface of the sliding block;
the funnel is fixed on the lower surface of the baffle, and the lower end of the funnel is fixedly communicated with a connecting pipe of the water through port;
the water storage bin is communicated with the bottom end of the connecting pipe, and a drain pipe is arranged at the lower end of the water storage bin.
2. The self-cleaning municipal water supply and drainage filtering device according to claim 1, wherein the lower end of the connecting pipe is fixedly connected with a connecting rod, and the connecting rod is erected on the inner wall of the water storage bin.
3. The self-cleaning municipal water supply and drainage filter device according to claim 1, wherein a flow guide baffle is fixedly attached to the lower surface of the baffle ring.
4. A self-cleaning municipal water supply and drain filtration device according to claim 3, wherein the flow directing baffle is of frusto-conical configuration.
5. A self-cleaning municipal water supply and drain filtration device according to claim 1, wherein the top block is a semi-circular protrusion.
6. A self-cleaning municipal water supply and drain filter device according to claim 1, wherein the sump is in the form of an inverted circular truncated cone.
7. A self-cleaning municipal water supply and drain filtration device according to claim 1, wherein the cover plate is of circular configuration.
8. A self-cleaning municipal water supply and drain filtration device according to claim 1, wherein the filtration device is of central symmetry.
9. A self-cleaning municipal water supply and drain filter device according to claim 1, wherein said slide is of rectangular parallelepiped configuration.
10. A self-cleaning municipal water supply and drain filtration device according to claim 1, wherein the diameter of the drain pipe is less than the diameter of the connecting pipe.
CN202221900572.1U 2022-07-22 2022-07-22 Self-cleaning municipal water supply and drainage filtering device Active CN217794793U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221900572.1U CN217794793U (en) 2022-07-22 2022-07-22 Self-cleaning municipal water supply and drainage filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221900572.1U CN217794793U (en) 2022-07-22 2022-07-22 Self-cleaning municipal water supply and drainage filtering device

Publications (1)

Publication Number Publication Date
CN217794793U true CN217794793U (en) 2022-11-15

Family

ID=83968889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221900572.1U Active CN217794793U (en) 2022-07-22 2022-07-22 Self-cleaning municipal water supply and drainage filtering device

Country Status (1)

Country Link
CN (1) CN217794793U (en)

Similar Documents

Publication Publication Date Title
CN207032404U (en) A kind of lift type water tank discharge filtering device
CN217794793U (en) Self-cleaning municipal water supply and drainage filtering device
CN104016498A (en) A sand-water separator
CN111174859A (en) Water meter with purifying effect
CN210797838U (en) Initial rainwater discarding device
CN109183749A (en) A kind of environmental protection dirt collection structure of river trash rack
CN207957965U (en) Sewage disposal settling box
CN208105430U (en) A kind of sewage discharge anti-clogging pipeline
CN206987014U (en) A kind of mechanical abandoned stream pollution cutting device
CN213741332U (en) Rural house rainwater is collected initial stage and is abandoned a class filter equipment
CN219333433U (en) Hydraulic engineering laying pipeline with filtering effect
CN110280058A (en) A kind of chemical industry filtering tank
CN217449167U (en) Basket lifting grid for sewage treatment
CN216238903U (en) Resilience formula rainwater collecting system
CN214634675U (en) Sewage treatment plant for environmental engineering
CN209237443U (en) A kind of be placed in purification tank washes away buoyancy media filtration device certainly
CN216604341U (en) Device for increasing filtering capacity of static pressure line filter screen
CN215352268U (en) Hydraulic grille
CN217698272U (en) Rainwater collector with detachable filter element
CN217472878U (en) Oil return pipeline filter
CN204656130U (en) Automatic fitration formula pipeline
CN215962341U (en) Be applied to mechanical turning device of mechanical grid
CN214914865U (en) Anti-blocking type desulfurizing tower
CN218962045U (en) Adjustable solid-liquid separator
CN218323008U (en) Impurity removing structure for valve core shell of drain valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant