CN209294144U - A kind of dedusting centrifugation pump head - Google Patents

A kind of dedusting centrifugation pump head Download PDF

Info

Publication number
CN209294144U
CN209294144U CN201821923039.0U CN201821923039U CN209294144U CN 209294144 U CN209294144 U CN 209294144U CN 201821923039 U CN201821923039 U CN 201821923039U CN 209294144 U CN209294144 U CN 209294144U
Authority
CN
China
Prior art keywords
groups
filter
tube socket
pump
water inlet
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.)
Expired - Fee Related
Application number
CN201821923039.0U
Other languages
Chinese (zh)
Inventor
李剑锋
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.)
Dalian Guangda Pump Technology Co Ltd
Original Assignee
Dalian Guangda Pump 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 Dalian Guangda Pump Technology Co Ltd filed Critical Dalian Guangda Pump Technology Co Ltd
Priority to CN201821923039.0U priority Critical patent/CN209294144U/en
Application granted granted Critical
Publication of CN209294144U publication Critical patent/CN209294144U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model discloses a kind of dedustings for belonging to centrifugation pump technical field to be centrifuged pump head, including support base, the support base top left is equipped with filter device, the filter device includes support, filter tube socket, first water inlet, first water outlet, groove, installed cassette, drainpipe, it is oriented to snap-gauge, protective cover, filter chamber, filter plate and storage chamber, centrifugal pump main body is connected on the right side of the filter device, the centrifugal pump main body includes the pump housing, second water inlet, second water outlet, impeller, connection seat, bearing block, cavity, pump shaft and piecing devices, the piecing devices include tube socket, switch, tube, ratio control device, tubing string and hose, power device is connected on the right side of the centrifugal pump main body, the power device includes protective housing, shaft coupling and motor.The utility model is novel in design, and structurally reasonable, easy to operate, dedusting is convenient, and low in cost, using effect is good.

Description

A kind of dedusting centrifugation pump head
Technical field
The utility model relates to be centrifuged pump technical field more particularly to a kind of dedusting centrifugation pump head.
Background technique
Centrifugal pump refers to the centrifugal force by generating when impeller rotation to convey the pump of liquid, and centrifugal pump is rotated using impeller And make water that centrifugal movement occur and carry out work, water pump is before activation, it is necessary to make in pump case and suction hose full of water, then starting is electric Machine, makes pump shaft impeller and water do high speed rotary motion, and water occurs centrifugal movement, impeller outer edge is thrown toward, through volute pump case Runner flow into the pressure pipe road of water pump, but existing centrifugal pump in extraction process due to there is no a filter device, volute pump It is easy to accumulate the mud formed because dust is excessive in shell, and uses also be easy accumulation dust inside it for a long time, it is inconvenient In cleaning.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and propose a kind of dedusting centrifugal pump Head.
To achieve the goals above, the utility model adopts the technical scheme that a kind of dedusting centrifugation pump head, including branch Pedestal is supportted, the support base top left is equipped with filter device, and the filter device includes support, fixed above the support It is welded with filtering tube socket, and filters tube socket left and right ends and is respectively equipped with the first water inlet and the first water outlet, the filtering tube socket Top opens up fluted, and groove intracavity bottom is equipped with two groups of installed cassettes, the filtering tube socket bottom equipped with two groups of drainpipes, Guiding snap-gauge and protective cover are respectively equipped with inside and outside drainpipe described in two groups, the filtering tube socket inner cavity left end is equipped with filtering Chamber, and filter plate is equipped in filter chamber, it is equipped with storage chamber on the right side of the filter chamber, is connected with centrifugal pump on the right side of the filter device Main body, the centrifugal pump main body includes the pump housing, and the pump housing left end is equipped with the second water inlet, is equipped with second at the top of the pump housing and goes out The mouth of a river, the pump housing inner cavity are equipped with impeller, connection seat are connected on the right side of the pump housing, and be connected with bearing block on the right side of connection seat, The connection seat connect internal formation cavity with bearing block, and cavity inside is horizontally arranged with pump shaft, sets at the top of the connection seat There are two groups of piecing devices, the piecing devices include tube socket, and switch is equipped on the left of the tube socket, is equipped with and turns at the top of the tube socket Pipe, and it is connected with ratio control device above tube, the ratio control device includes shell, input end, outlet end and tune Baffle is saved, the tube socket bottom and the outlet end being arranged on the right side of ratio control device are respectively connected with tubing string, and on the outside of tubing string Be arranged with hose, be connected with power device on the right side of the centrifugal pump main body, the power device include protective housing, shaft coupling and Motor.
Preferably, the groove top is equipped with door, and described door one end is connected and fixed with groove top left end, the other end It is hingedly fixed with groove top right end.
Preferably, first water inlet is fixedly connected with the water outlet of external water-supply-pipe, first water outlet and the Two water inlets are fixedly connected, and second water outlet is fixedly connected with the water inlet end of externally drained pipe.
Preferably, the guiding snap-gauge is located inside drainpipe and is in platform on drainpipe inner sidewall by bolt and setting The retainer ring of scalariform is fixedly connected, the draining tube outer surface be equipped with external screw thread, the protective cover be set on drainpipe and with row Water pipe is spirally connected fixation.
Preferably, the filter plate is two groups, and filter plate described in two groups equidistant oblique is placed on filter chamber by three layers Interior screen pack forms, and is equipped with filter mesh, the filter screen on screen pack described in three groups on three layers of screen pack Hole internal diameter successively gradually decreases.
Preferably, angularly disposed on the installed cassette to have through slot, and sealing element, the guiding snap-gauge are equipped with inside through slot Strip and deflector are distinguished in top and bottom, and the strip is equal with baffle quantity and position is corresponding one by one, the strip Side is equipped with square groove, and described filter plate one end is connected and fixed with the strip being arranged at the top of guiding snap-gauge, and the other end runs through through slot It extends to above through slot and is fixedly connected by sealing element with through slot.
Preferably, water outlet junction, the first water outlet and the second water inlet of the first water inlet and external water-supply-pipe connect Water inlet end junction, protective cover and drainpipe junction, the pump housing and the connection seat for connecing place, the second water outlet and externally drained pipe connect The place of connecing is equipped with waterproof grommet.
Preferably, it is surround on the connection seat and offers six groups of fixation holes, two groups of fixation holes in fixation hole described in six groups It is connected with two groups of piecing devices, four in fixation hole described in six groups group fixation hole is equipped with sealing port lid, connector described in two groups Device is connected with external blowning installation and external dust exhaust apparatus respectively.
Preferably, it is connected and fixed at the top of the tube socket and connection seat, the tube is integrally formed with ratio control device Design, the tube and tube socket are rotatablely connected, and the tubing string is in stepped design, and the tubing string internal diameter is from inside to outside successively It gradually decreases, the tubing string and hose junction outside are equipped with fixed tight lid, fixation that the fixation is tightly covered and tubing string is spirally connected.
Preferably, the output end of the motor is fixedly connected with shaft coupling, and described pump shaft one end is fixedly connected with shaft coupling, The other end is fixedly connected with impeller.
Compared with prior art, the utility model has the beneficial effects that the utility model is novel in design, it is structurally reasonable, first First water inlet is connect with the water outlet of external water-supply-pipe, then again connect the first water outlet with the second water inlet, make into Entering to pump intracorporal water can enter in the pump housing after filter device filters, and reduce the sludge formed because dust is excessive and enter the pump housing Interior, under the multistage filtering of filter plate, dust is fallen in protective cover through square groove, is handled convenient for collection, the design of multiple groups filter plate It being conveniently replaceable, improves filter effect, storage chamber design, which then guarantees to enter, pumps intracorporal water abundance, after using a period of time, Inside is easy accumulation dust, at this moment by the way that two groups of piecing devices are connected with external blowning installation and external dust exhaust apparatus respectively It connects, air quantity is adjusted by ratio control device, make the internal reasonable wind speed of holding, convenient for dust to be sucked out.The utility model structure Stablize, it is easy to use, dust can be removed in time, keep the cleaning of single unit system, extend the service life of equipment, guarantee device Working efficiency.
Detailed description of the invention
Fig. 1 is the utility model schematic view of the front view;
Fig. 2 is the utility model filter apparatus configuration schematic diagram;
Fig. 3 is the utility model joint structure schematic diagram.
In figure: 1, support base;2, filter device;21, support;22, tube socket is filtered;23, the first water inlet;24, first Water outlet;25, groove;26, installed cassette;27, drainpipe;28, it is oriented to snap-gauge;29, protective cover;300, filter chamber;310, mistake Filter plate;320, storage chamber;3, centrifugal pump main body;31, the pump housing;32, the second water inlet;33, the second water outlet;34, impeller;35, Connection seat;36, bearing block;37, cavity;38, pump shaft;4, piecing devices;41, tube socket;42, it switchs;43, tube;44, ratio tune Regulating device;45, tubing string;46, hose;100, fixed tight lid;5, power device;51, protective housing;52, shaft coupling;53, motor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 3, the utility model provides a kind of technical solution: a kind of dedusting centrifugation pump head, including branch Pedestal 1 is supportted, 1 top left of support base is equipped with filter device 2, and the filter device 2 includes support 21, the support 21 Top is fixedly welded with filtering tube socket 22, and filters 22 left and right ends of tube socket and be respectively equipped with the first water inlet 23 and the first water outlet 24, fluted 25 are opened up at the top of the filtering tube socket 22, and 25 intracavity bottom of groove is equipped with two groups of installed cassettes 26, the filtering 22 bottom of tube socket is equipped with two groups of drainpipes 27, and guiding snap-gauge 28 and protective cover are respectively equipped with inside and outside drainpipe 27 described in two groups 29, the 22 inner cavity left end of filtering tube socket is equipped with filter chamber 300, and filter plate 310, the filter chamber are equipped in filter chamber 300 300 right sides are equipped with storage chamber 320, and centrifugal pump main body 3 is connected on the right side of the filter device 2, and the centrifugal pump main body 3 includes pump Body 31,31 left end of the pump housing are equipped with the second water inlet 32, are equipped with the second water outlet 33, the pump housing 31 at the top of the pump housing 31 Inner cavity is equipped with impeller 34, is connected with connection seat 35 on the right side of the pump housing 31, and bearing block 36 is connected on the right side of connection seat 35, described Connection seat 35 connect internal formation cavity 37 with bearing block 36, and 37 inner transverse of cavity is provided with pump shaft 38, the connection seat 35 tops are equipped with two groups of piecing devices 4, and the piecing devices 4 include tube socket 41, and switch 42 is equipped on the left of the tube socket 41, described It is equipped with tube 43 at the top of tube socket 41, and is connected with ratio control device 44 above tube 43, the ratio control device 44 includes There are shell, input end, outlet end and controllable register, 41 bottom of tube socket and the outlet that 44 right side of ratio control device is set End is respectively connected with tubing string 45, and 45 outside of tubing string is arranged with hose 46, is connected with power device on the right side of the centrifugal pump main body 3 5, the power device 5 includes protective housing 51, shaft coupling 52 and motor 53.
In the present embodiment, it is preferred that be equipped with door, described door one end and 25 top left of groove at the top of the groove 25 It connects and fixes, the other end is hingedly fixed with 25 top right end of groove.
In the present embodiment, it is preferred that first water inlet 23 is fixedly connected with the water outlet of external water-supply-pipe, and described the One water outlet 24 is fixedly connected with the second water inlet 32, the fixed company of water inlet end of second water outlet 33 and externally drained pipe It connects.
In the present embodiment, it is preferred that the guiding snap-gauge 28 is located at 27 inside of drainpipe and is being arranged by bolt and setting It is fixedly connected on 27 inner sidewall of water pipe in step-like retainer ring, 27 outer surface of drainpipe is equipped with external screw thread, the protective cover 29 are set on drainpipe 27 and are spirally connected fixation with drainpipe 27.
In the present embodiment, it is preferred that the filter plate 310 is two groups, and filter plate 310 described in two groups is equidistant by three layers The oblique screen pack being placed in filter chamber 300 forms, and filter mesh is equipped on three layers of screen pack, described in three groups Filter mesh internal diameter on screen pack successively gradually decreases.
In the present embodiment, it is preferred that it is angularly disposed on the installed cassette 26 to have through slot, and sealing is equipped with inside through slot Part, strip and deflector respectively at the top and bottom of the guiding snap-gauge 28, the strip is equal with baffle quantity and position one One is corresponding, and the strip side is equipped with square groove, described 310 one end of filter plate and the strip card that 28 top of guiding snap-gauge is arranged in Fixation is connect, the other end is extended to above through slot through through slot and is fixedly connected by sealing element with through slot.
In the present embodiment, it is preferred that the water outlet junction of the first water inlet 23 and external water-supply-pipe, the first water outlet 24 With water inlet end junction, protective cover 29 and the drainpipe of 32 junction of the second water inlet, the second water outlet 33 and externally drained pipe 27 junctions, the pump housing 31 and 35 junction of connection seat are equipped with waterproof grommet.
In the present embodiment, it is preferred that surround on the connection seat 35 and offer six groups of fixation holes, in fixation hole described in six groups Two groups of fixation holes be connected with two groups of piecing devices 4, four in fixation hole described in six groups group fixation hole be equipped with sealing port lid, Piecing devices 4 described in two groups are connected with external blowning installation and external dust exhaust apparatus respectively.
In the present embodiment, it is preferred that connected and fixed at the top of the tube socket 41 and connection seat 35, the tube 43 and ratio tune Regulating device 44 is integrally formed design, and the tube 43 is rotatablely connected with tube socket 41, and the tubing string 45 is in stepped design, described 45 internal diameter of tubing string successively gradually decreases from inside to outside, and the tubing string 45 is equipped with fixed tight lid with 46 junction of hose outside 100, the tight lid 100 of the fixation and tubing string 45 are spirally connected fixation.
In the present embodiment, it is preferred that the output end of the motor 53 is fixedly connected with shaft coupling 52, described 38 one end of pump shaft It is fixedly connected with shaft coupling 52, the other end is fixedly connected with impeller 34.
Working principle: when using the present apparatus, first the first water inlet 23 is connect with the water outlet of external water-supply-pipe, then again First water outlet 24 is connect with the second water inlet 32, enter the water entered in the pump housing 31 can after the filtering of filter device 2 In the pump housing 31, reduces the sludge formed because dust is excessive and enter in the pump housing 31, under the multistage filtering of filter plate 310, dust It falls in protective cover 29 through square groove, is handled convenient for collection, the design of multiple groups filter plate 310 is conveniently replaceable, and improves filter effect, is stored Water cavity 320 designs the water abundance for then guaranteeing to enter in the pump housing 31, and after using a period of time, inside is easy accumulation dust, this When by the way that two groups of piecing devices 4 are connected with external blowning installation and external dust exhaust apparatus respectively, pass through ratio control device 44 adjust air quantity, make the internal reasonable wind speed of holding, and convenient for dust to be sucked out, device overall structure is stablized, easy to use, can be timely Dust is removed, the cleaning of single unit system is kept, extends the service life of equipment, guarantees the working efficiency of device.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (10)

1. a kind of dedusting is centrifuged pump head, including support base (1), it is characterised in that: support base (1) top left is equipped with Filter device (2), the filter device (2) include support (21), are fixedly welded with filtering tube socket above the support (21) (22), and filtering tube socket (22) left and right ends are respectively equipped with the first water inlet (23) and the first water outlet (24), the screen pipe It is opened up fluted (25) at the top of seat (22), and groove (25) intracavity bottom is equipped with two groups of installed cassettes (26), the filtering tube socket (22) bottom is equipped with two groups of drainpipes (27), and guiding snap-gauge (28) is respectively equipped with inside and outside drainpipe described in two groups (27) and is prevented Protecting cover (29), filtering tube socket (22) the inner cavity left end are equipped with filter chamber (300), and filter plate is equipped in filter chamber (300) (310), storage chamber (320) are equipped on the right side of the filter chamber (300), are connected with centrifugal pump main body on the right side of the filter device (2) (3), the centrifugal pump main body (3) includes the pump housing (31), and the pump housing (31) left end is equipped with the second water inlet (32), the pump housing (31) top is equipped with the second water outlet (33), and the pump housing (31) inner cavity is equipped with impeller (34), connection on the right side of the pump housing (31) Have connection seat (35), and be connected with bearing block (36) on the right side of connection seat (35), the connection seat (35) connect with bearing block (36) Inside forms cavity (37), and cavity (37) inner transverse is provided with pump shaft (38), and two groups are equipped at the top of the connection seat (35) Piecing devices (4), the piecing devices (4) include tube socket (41), and switch (42), the tube socket are equipped on the left of the tube socket (41) (41) top is equipped with tube (43), and is connected with ratio control device (44), the ratio control device above tube (43) It (44) include shell, input end, outlet end and controllable register, tube socket (41) bottom and setting are in ratio control device (44) outlet end on the right side of is respectively connected with tubing string (45), and is arranged with hose (46) on the outside of tubing string (45), the centrifugal pump master It is connected with power device (5) on the right side of body (3), the power device (5) includes protective housing (51), shaft coupling (52) and motor (53)。
2. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: be equipped with gear at the top of the groove (25) Lid, described door one end are connected and fixed with groove (25) top left, and the other end is hingedly fixed with right end at the top of groove (25).
3. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: first water inlet (23) and outside The water outlet of water-supply-pipe is fixedly connected, and first water outlet (24) is fixedly connected with the second water inlet (32), and described second goes out The mouth of a river (33) is fixedly connected with the water inlet end of externally drained pipe.
4. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: the guiding snap-gauge (28) is located at draining Pipe (27) is internal and is fixedly connected on drainpipe (27) inner sidewall in step-like retainer ring by bolt with setting, the draining It manages (27) outer surface and is equipped with external screw thread, the protective cover (29) is set on drainpipe (27) and is spirally connected with drainpipe (27) solid It is fixed.
5. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: the filter plate (310) is two groups, two The group filter plate (310) is made of three layers of equidistant oblique screen pack being placed in filter chamber (300), described in three layers Filter mesh is equipped on screen pack, the filter mesh internal diameter on screen pack described in three groups successively gradually decreases.
6. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: oblique on the installed cassette (26) to set It is equipped with through slot, and is equipped with sealing element inside through slot, difference strip and deflector, described at the top and bottom of the guiding snap-gauge (28) Strip is equal with baffle quantity and position is corresponding one by one, and the strip side is equipped with square groove, described filter plate (310) one end It is connected and fixed with strip of the setting at the top of guiding snap-gauge (28), the other end extends to above through slot through through slot and passes through sealing Part is fixedly connected with through slot.
7. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: the first water inlet (23) and external water delivery Water outlet junction, the first water outlet (24) and the second water inlet (32) junction of pipe, the second water outlet (33) are arranged with external The water inlet end junction of water pipe, protective cover (29) and drainpipe (27) junction, the pump housing (31) and connection seat (35) junction are equal Equipped with waterproof grommet.
8. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: surround and open up on the connection seat (35) There are six groups of fixation holes, two groups of fixation holes in fixation hole described in six groups are connected with two groups of piecing devices (4), fixed described in six groups Four groups of fixation holes in hole are equipped with sealing port lid, and piecing devices described in two groups (4) are inhaled with external blowning installation and outside respectively Dirt device is connected.
9. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: the tube socket (41) and connection seat (35) Top connects and fixes, and the tube (43) and ratio control device (44) are integrally formed design, the tube (43) and tube socket (41) it is rotatablely connected, the tubing string (45) is in stepped design, and tubing string (45) internal diameter successively gradually drops from inside to outside It is low, fixed tight lid (100) is equipped on the outside of the tubing string (45) and hose (46) junction, (100) and tubing string are tightly covered in the fixation (45) be spirally connected fixation.
10. a kind of dedusting according to claim 1 is centrifuged pump head, it is characterised in that: the output end of the motor (53) with Shaft coupling (52) is fixedly connected, and described pump shaft (38) one end is fixedly connected with shaft coupling (52), and the other end and impeller (34) are fixed Connection.
CN201821923039.0U 2018-11-21 2018-11-21 A kind of dedusting centrifugation pump head Expired - Fee Related CN209294144U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821923039.0U CN209294144U (en) 2018-11-21 2018-11-21 A kind of dedusting centrifugation pump head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821923039.0U CN209294144U (en) 2018-11-21 2018-11-21 A kind of dedusting centrifugation pump head

Publications (1)

Publication Number Publication Date
CN209294144U true CN209294144U (en) 2019-08-23

Family

ID=67645507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821923039.0U Expired - Fee Related CN209294144U (en) 2018-11-21 2018-11-21 A kind of dedusting centrifugation pump head

Country Status (1)

Country Link
CN (1) CN209294144U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111089063A (en) * 2019-12-26 2020-05-01 河北宏龙环保科技有限公司 Centrifugal pump with protection mechanism
CN111664128A (en) * 2020-06-22 2020-09-15 王飞飞 New energy automobile cooling water pump
CN113217403A (en) * 2021-05-13 2021-08-06 浙江恒胜机械有限公司 Quantitative pump
CN113464449A (en) * 2021-07-26 2021-10-01 杨继承 Corrosion-resistant centrifugal pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111089063A (en) * 2019-12-26 2020-05-01 河北宏龙环保科技有限公司 Centrifugal pump with protection mechanism
CN111089063B (en) * 2019-12-26 2021-11-09 河北宏龙环保科技有限公司 Centrifugal pump with protection mechanism
CN111664128A (en) * 2020-06-22 2020-09-15 王飞飞 New energy automobile cooling water pump
CN113217403A (en) * 2021-05-13 2021-08-06 浙江恒胜机械有限公司 Quantitative pump
CN113464449A (en) * 2021-07-26 2021-10-01 杨继承 Corrosion-resistant centrifugal pump
CN113464449B (en) * 2021-07-26 2023-08-25 濮阳市国胜机械加工有限公司 Corrosion-resistant centrifugal pump

Similar Documents

Publication Publication Date Title
CN209294144U (en) A kind of dedusting centrifugation pump head
CN107110519A (en) Air purifier
CN108125618A (en) A kind of dirt cup cyclone structure and the dust catcher comprising the structure
CN103041461B (en) Medical suction device
CN109876505B (en) Vacuum drainage device for urban pipe gallery and control system thereof
CN208524761U (en) A kind of dirt cup cyclone structure and the dust catcher comprising the structure
CN216629843U (en) Drainage device for building that filter effect is good
CN108744828A (en) A kind of efficient cyclone cleaner
CN109654036A (en) It is a kind of outdoor to use anti-clogging blowdown self priming pump
CN209475833U (en) A kind of dust-extraction unit
CN208565001U (en) Sliding valve vacuum pump
CN211217678U (en) A dust collector for thing networking proof box
CN1206400C (en) Automatic cleaning and filtering element of full-automatic washing machine
CN213331719U (en) Self-purification mechanical seal for centrifugal pump
CN209360568U (en) Intellective dust collector
CN208885529U (en) A kind of centrifugal pump group being convenient to clean dirt
CN208259646U (en) Underwater duster pumping water device
CN216259292U (en) Centrifugal oil purifier with high-speed rotary drum
CN215348680U (en) Dry and wet dust collector with power supply
CN211912911U (en) Portable suction filtration device
CN210013804U (en) Anti-blocking vacuum pump
CN219333292U (en) Desilting self-cleaning device
CN216277844U (en) Drainage gas production device for gas well
CN219333286U (en) Washing air purifier with filter element
CN109381938A (en) A kind of dust-extraction unit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190823

Termination date: 20211121

CF01 Termination of patent right due to non-payment of annual fee