CN112360749A - Flowing back has multistage centrifugal pump of filter residue slagging-off function - Google Patents

Flowing back has multistage centrifugal pump of filter residue slagging-off function Download PDF

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Publication number
CN112360749A
CN112360749A CN202011206462.0A CN202011206462A CN112360749A CN 112360749 A CN112360749 A CN 112360749A CN 202011206462 A CN202011206462 A CN 202011206462A CN 112360749 A CN112360749 A CN 112360749A
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China
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filter screen
spring
fixedly connected
centrifugal pump
slag
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CN202011206462.0A
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Chinese (zh)
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陈志超
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06Multi-stage pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/086Sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293Details of fluid inlet or outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Centrifugal Separators (AREA)

Abstract

The invention discloses a multistage centrifugal pump with the functions of filtering residues and removing slag in discharged liquid, which relates to the technical field of centrifugal pumps, and is characterized in that a fixed block is connected on a threaded rod at the output end of a motor, a scraper plate is connected at the lower end of an L-shaped rod on the side surface of the fixed block, a first filter screen connected with the side wall of a cavity is arranged at the lower end of the scraper plate, so that a water pump is prevented from being blocked by garbage, the working efficiency is improved, and the subsequent treatment of sewage is facilitated at the same time, a first spring and a second spring in a first chute and a second chute are connected with a second filter screen and a third filter screen, a third chute and a fourth chute corresponding to the second filter screen and the third filter screen are arranged in a supporting plate, a third spring in the third chute is connected with the second filter screen, a fourth spring in the fourth chute is connected with the third filter screen, and a fourth filter screen is embedded, the water pump is arranged on the bottom surface of the mounting cavity, so that garbage can be collected conveniently, and water in the garbage can be pumped back into the centrifugal pump.

Description

Flowing back has multistage centrifugal pump of filter residue slagging-off function
Technical Field
The invention relates to the technical field of water pumps, in particular to a multi-stage centrifugal pump with functions of filtering residues and removing slag in discharged liquid.
Background
The sewage is generally discharged from life and production, and the direct discharge of the sewage can cause irreversible pollution, so that industrial production wastewater and domestic wastewater need to be purified before being discharged to filter harmful substances in the sewage, the sewage treatment is a process for purifying the sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, the sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment also increasingly enters the daily life of common people, the multistage centrifugal pump has the characteristics of high efficiency, wide performance range, safe and stable operation, low noise, long service life and the like, is used for delivering clean water or other liquids with physical and chemical properties similar to water, and is mainly suitable for water supply and drainage and fire-fighting water, factories, water supply and drainage of urban high-rise buildings, and is mainly used for water supply and drainage, fire-fighting, mines and mining, And (5) long-distance water delivery.
At present, patent No. CN201720908985.7 discloses a horizontal pipe centrifugal pump, which comprises a centrifugal pump main body and a base, wherein the centrifugal pump main body is composed of a centrifugal pump chamber and a motor arranged on the side surface of the centrifugal pump chamber, a switch button is arranged on the side surface of the centrifugal pump chamber, the centrifugal pump chamber is electrically connected with the switch button, a signal lamp is arranged on the side surface of the motor, the motor is electrically connected with the signal lamp, an electricity storage power supply is arranged on the side surface of the motor, a worker can flexibly adjust the centrifugal pump according to the requirement, the worker can conveniently adjust the machine, a pulley bolt is used for fixing a pulley, the worker can conveniently move the centrifugal pump, a heat dissipation gap of the motor provides convenience for the heat dissipation of the motor, a wear-resistant layer can increase the wear-resistant degree of a rubber ring, the function of protecting the rubber ring is achieved, the horizontal, and the centrifugal pump is helped to pump liquid efficiently.
The centrifugal pump disclosed in the above patent still has some disadvantages in practical use, and the specific disadvantages are that:
the existing centrifugal pump does not have the functions of filtering and clearing away filtered garbage, when sewage is pumped out, the sewage is easily blocked by flocculent garbage residues in the sewage, the water pumping work needs to be stopped, and then the blocked garbage is cleared away manually, so that the working efficiency is low, and the manpower resource is wasted.
Disclosure of Invention
The invention aims to provide a multi-stage centrifugal pump with functions of filtering residues and removing slag for discharging liquid, and solves the technical problems that the conventional centrifugal pump does not have the functions of filtering and removing filtered garbage, is easily blocked by flocculent garbage residues in sewage when the sewage is pumped out, needs to stop pumping the water, and then manually removes the blocked garbage, so that the working efficiency is low and the human resources are wasted.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a multi-stage centrifugal pump with functions of filtering residues and removing slag in discharged liquid comprises a centrifugal pump body, wherein a connecting device is arranged on the centrifugal pump body, a filtering device is arranged on the connecting device, a collecting device is arranged on one side of the filtering device, the collecting device is fixedly connected with the centrifugal pump body, and a first connecting pipeline is fixedly connected to the filtering device;
filter equipment is including filtering box, cavity and installing the motor at the filter box lateral wall, motor output end fixedly connected with threaded rod, threaded connection has the fixed block on the threaded rod, fixed block side fixedly connected with L type pole, L type pole lower extreme fixedly connected with scraper blade, the scraper blade lower extreme is provided with first filter screen, first filter screen and cavity lateral wall fixed connection, the row's cinder notch that corresponds with collection device is seted up to filter box side, the inlet opening is located row cinder notch below, the mounting groove has been seted up to the cavity lateral wall, the threaded rod rotates with the mounting groove inner wall and is connected.
Connecting device includes inhalant canal and second connecting tube, inhalant canal and centrifugal pump body fixed connection, second connecting tube and filtration box fixed connection, inhalant canal outside threaded connection has the thread connection ring, inhalant canal and second connecting tube sliding connection, the thread connection ring other end and the second connecting tube outside threaded connection. The outer side of the water inlet channel is fixedly connected with a first limiting ring.
As a preferred technical scheme of the present invention, a first limiting ring is fixedly connected to an outer side of the water inlet channel, and a second limiting ring is disposed on an inner wall of the second connecting pipeline.
As a preferred technical scheme of the invention, a rubber sealing gasket is arranged on the side surface of the second limiting ring, the rubber sealing gasket is in an inverted triangle shape, and one end surface of the water inlet channel, which is close to the rubber sealing gasket, is an inclined surface corresponding to the rubber sealing gasket.
As a preferred technical scheme of the invention, the collecting device comprises a collecting box body and an installation cavity, the left side wall of the collecting box body is provided with a slag inlet corresponding to a slag discharge port, the slag inlet is connected with a baffle plate in a rotating manner, the lower end of the baffle plate is fixedly connected with the left side wall of the collecting box body through a fifth spring, a first chute is arranged above the slag inlet, the first chute is internally and fixedly connected with a first spring, the other end of the first spring is fixedly connected with a second filter screen, the lower end of the slag inlet is provided with a second chute, the second chute is internally and fixedly connected with a second spring, the other end of the first spring is fixedly connected with a third filter screen, the rear side wall of the collecting box body is provided with a supporting plate, the supporting plate is internally provided with a third chute corresponding to the second filter screen, the third chute is internally provided with a third spring, and the third spring is fixedly connected with, set up the fourth spout that corresponds with the third filter screen in the backup pad, be provided with the fourth spring in the fourth spout, fourth spring and third filter screen fixed connection, the embedded fourth filter screen that is equipped with of backup pad, the installation cavity bottom surface is provided with the water pump, water pump fixed connection runs through the water pipe that the collection box left side wall corresponds with the inlet opening.
As a preferred technical scheme of the invention, the rear side wall of the collecting box body is provided with a closed door, and the supporting plate, the second filter screen and the third filter screen can be detached.
As a preferable technical scheme of the invention, the size of the baffle plate is larger than that of the slag inlet.
As a preferred technical scheme, the L-shaped rod comprises a limiting block and a tension spring, the top end of the L-shaped rod is hinged to the bottom end of the fixing block, the limiting block is arranged at the bottom end of the fixing block and located on the left side of the L-shaped rod, the tension spring is mounted in the middle of the limiting block, and the top end of the tension spring is fixed in the middle of the left side of the L-shaped rod.
The scraper blade is including storing up the chip groove, pressing spring, shovel bits sword, the scraper blade bottom is provided with twice and is the shovel bits sword of the shape contained angle of falling V, and each is said shovel bits sword middle part is equidistant offers the mouth of stepping down with the laminating of wave point surface, the scraper blade with be provided with pressing spring between the L type pole, the orientation is in the slag discharge mouth direction the scraper blade lateral wall has been seted up and has been stored up the chip groove, it sets up in the top of shovel bits sword to store up the chip groove.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention is characterized in that a water supply tank is arranged outside the enclosure wall of a pigsty to facilitate adding water into the water supply tank, a washing and cleaning device is provided with the multistage centrifugal pump with the functions of filtering residues and removing residues in the discharged liquid, a fixed block is fixedly connected on a threaded rod at the output end of a motor, a scraper is fixedly connected at the lower end of an L-shaped rod at the side surface of the side fixed block, a first filter screen fixedly connected with the side wall of a cavity is arranged at the lower end of the scraper, the surface of the first filter screen is provided with a raised wave point which is of a semi-sphere structure, flocculent garbage filtered on the surface of the first filter screen is supported through the wave point to tilt the corners of the flocculent garbage, so that the flocculent garbage accumulated on the surface of the first filter screen is scraped when the scraper moves on the surface of the filter screen, a residue discharge port corresponding to a collecting device is arranged at the side surface of the filter box, a water inlet hole is arranged below the residue, the water pump is prevented from being blocked by garbage, the working efficiency is improved, and meanwhile, the follow-up treatment of sewage is facilitated.
Secondly, the multi-stage centrifugal pump with the functions of filtering residues and removing slag is characterized in that a connecting baffle plate rotates in a slag inlet on the left side wall of a collecting box body, a first chute above and below the slag inlet and a first spring in a second chute are fixedly connected with a second filter screen and a third filter screen, a third chute and a fourth chute corresponding to the second filter screen and the third filter screen are arranged in a support plate on the rear side wall of the collecting box body, a third spring in the third chute is fixedly connected with the second filter screen, a fourth spring in the fourth chute is fixedly connected with the third filter screen, the fourth filter screen is embedded in the support plate, a water pipe corresponding to a water inlet hole in the left side wall of the collecting box body is fixedly connected with a water pump on the bottom surface of an installation cavity, garbage is collected through the second filter screen and the third filter screen, the second filter screen and the third filter screen are elastically stretched through the third spring and the fourth spring, make second filter screen and third filter screen when collecting rubbish, carry out elastic stretching according to the refuse collection volume, improve the garbage collection ability of rose box, the second filter screen is flexible through the elasticity of third spring and fourth spring with the third filter screen, elasticity through third spring and fourth spring extrudees the rubbish of second filter screen and third filter screen middle part collection, extrude unnecessary moisture in the rubbish, during the centrifugal pump is taken out to the water of extruding, improve the collection to flocculent rubbish.
Third, this kind of flowing back has multistage centrifugal pump of filter residue slagging-off function, at connecting device's the inlet channel outside threaded connection screw thread go-between, inlet channel and centrifugal pump body fixed connection, second connecting tube and filtration box fixed connection, inlet channel and second connecting tube sliding connection, the screw thread go-between other end and the outside threaded connection of second connecting tube, the filter equipment's of being convenient for installation and dismantlement.
Fourth, this kind of flowing back has the multistage centrifugal pump of filter residue slagging-off function, at inlet channel outside fixed connection spacing ring, the first spacing ring of inlet channel outside fixed connection, set up rubber packing pad in the second spacing ring side of connecting tube inner wall, rubber packing pad is the triangle-shaped of falling, inlet channel is close to the inclined plane that a terminal surface of rubber packing pad corresponds for with rubber packing pad, through rubber packing pad, and then increase the leakproofness of whole equipment.
Fifthly, this kind of flowing back has multistage centrifugal pump of filter residue slagging-off function, through set up the closed door at collection box rear side wall, backup pad, second filter screen and third filter screen all can be dismantled, the taking out of the rubbish of being convenient for, the scraper blade sets up for the type of falling V, can carry out the secondary to the scraper blade and strike off rubbish, and the effect is better, and the baffle size is greater than the size of advancing the cinder notch, can prevent that rubbish from getting into in the rose box body.
The L-shaped rod is hinged to the bottom end of the fixed block, so that the L-shaped rod can swing at the bottom end of the fixed block, the L-shaped rod can only swing back and forth within a certain angle range at the bottom end of the fixed block under the limitation of the limiting block, when the fixed block moves towards the slag discharge port, the L-shaped rod is supported by the limiting block, the L-shaped rod is erected on the surface of the first filter screen, flocculent garbage accumulated on the surface of the first filter screen is cleaned through the scraper at the bottom, when the fixed block moves away from the slag discharge port, the L-shaped rod is pushed by the resistance of water to swing along the hinged position of the bottom end of the fixed block, the scraper at the bottom end of the L-shaped rod is lifted from the surface of the first filter screen and is far away from the surface of the first filter screen, and the phenomenon that the flocculent garbage is pushed by the scraper to move towards the opposite direction of the slag.
Seventhly, after the fixed block is far away from the slag discharge port to the maximum distance, the L-shaped rod is gradually downwards perpendicular to the surface of the first filter screen through the driving of the tension spring to enable the scraper to be attached to the surface of the first filter screen, so that the next fixed block can move towards the slag discharge port to discharge slag on the surface of the first filter screen, the scraper is attached to the surface of the first filter screen, each surface of the first filter screen is scraped through the scraping blade with the inverted V-shaped included angle at the bottom in the moving process, the two scraping blades can scrape the garbage for the second time, further the scraping thoroughness of the flocculent garbage on the surface of the first filter screen is improved, the side wall of the scraper facing the slag discharge port is provided with the chip storage groove, the flocculent garbage scraped by the scraping blades is enabled to be condensed in the chip storage groove through the movement of the fixed block by the pushing of water flow, the garbage seeps through the surface of the filter screen in the chip scraping process is reduced, when the fixed block moves into the slag discharging hole, water flow changes into water, and garbage in the chip storage groove gradually falls into the slag discharging hole, so that slag is discharged from flocculent garbage on the surface of the first filter screen.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic front sectional view of the filter apparatus of the present invention;
FIG. 3 is a schematic cross-sectional view taken along the line C-C of FIG. 2 in accordance with the present invention;
FIG. 4 is a front sectional view of the collecting device of the present invention;
FIG. 5 is a schematic perspective view of a filter device according to the present invention;
FIG. 6 is a schematic perspective view of the connecting device of the present invention;
FIG. 7 is a schematic cross-sectional view of a connecting device according to the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 2;
FIG. 9 is an enlarged view of a portion of FIG. 3B
In the figure: 1. a centrifugal pump body; 2. a filtration device; 3. a collection device; 4. a connecting device; 5. a first connecting pipe; 201. a filter box body; 202. a cavity; 203. a motor; 204. a threaded rod; 205. mounting grooves; 206. a fixed block; 207. an L-shaped rod; 2071. a limiting block; 2072. a tension spring; 208. a squeegee; 2081. a chip storage groove; 2082. a pressing spring; 2082. a chip shoveling blade; 209. a first filter screen; 2091. wave points; 210. a slag discharge port; 211. a water inlet hole; 301. a collection box body; 302. a mounting cavity; 303. a baffle plate; 304. a slag inlet; 305. a first chute; 306. a first spring; 307. a second filter screen; 308. a second chute; 309. a second spring; 310. a third filter screen; 311. a support plate; 312. a third chute; 313. a third spring; 314. a fourth chute; 315. a fourth spring; 316. a fourth filter screen; 317. a water pump; 318. a water pipe; 401. a water inlet channel; 402. a second connecting pipe; 403. a threaded connection ring; 404. a first limit ring; 405. a second stop collar; 406. a rubber gasket is provided.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.
Referring to fig. 1-9, a multi-stage centrifugal pump with the functions of filtering residue and removing slag is provided,
a multi-stage centrifugal pump with liquid drainage and residue filtering functions comprises a centrifugal pump body 1, wherein a connecting device 4 is arranged on the centrifugal pump body 1, the connecting device 4 comprises a water inlet channel 401 and a second connecting pipeline 402, the outer side of the water inlet channel 401 is fixedly connected with a first limiting ring 404, the inner wall of the second connecting pipeline 402 is provided with a second limiting ring 405 for increasing the sealing performance of the whole equipment, the side surface of the second limiting ring 405 is provided with a rubber sealing gasket 406, the rubber sealing gasket 406 is in an inverted triangle shape, one end surface of the water inlet channel 401, which is close to the rubber sealing gasket 406, is an inclined surface corresponding to the rubber sealing gasket 406 for increasing the sealing performance of the whole equipment, the water inlet channel 401 is fixedly connected with the centrifugal pump body 1, the second connecting pipeline 402 is fixedly connected with a filter box body 201, the outer side of the water inlet channel 401 is in threaded connection with a threaded connecting ring, the other end of the threaded connection ring 403 is threadedly connected to the outside of the second connection pipe 402. The outer side of the water inlet channel 401 is fixedly connected with a first limiting ring 404, which is convenient for the installation and the disassembly of the filtering device 2, the connecting device 4 is provided with the filtering device 2, one side of the filtering device 2 is provided with the collecting device 3, the collecting device 3 comprises a collecting box body 301 and a mounting cavity 302, the rear side wall of the collecting box body 301 is provided with a closed door, a supporting plate 311, a second filtering net 307 and a third filtering net 310 are all detachable, which is convenient for the taking out of garbage, the left side wall of the collecting box body 301 is provided with a slag inlet 304 corresponding to the slag discharge port 210, the slag inlet 304 is rotationally connected with a baffle 303, the size of the baffle 303 is larger than that of the slag inlet 304, which prevents the garbage from entering the filtering box body 201, the lower end of the baffle 303 is fixedly connected with the left side wall of the collecting box body 301 through a fifth spring, a first chute 305 is arranged above the slag inlet 304, a first spring, a second chute 308 is arranged below the slag inlet 304, a second spring 309 is fixedly connected in the second chute 308, a third filter screen 310 is fixedly connected at the other end of the second spring 309, a support plate 311 is arranged on the rear side wall of the collection box body 301, a third chute 312 corresponding to the second filter screen 307 is arranged in the support plate 311, a third spring 313 is arranged in the third chute 312, the third spring 313 is fixedly connected with the second filter screen 307, a fourth chute 314 corresponding to the third filter screen 310 is arranged in the support plate 311, a fourth spring 315 is arranged in the fourth chute 314, the fourth spring 315 is fixedly connected with the third filter screen 310, a fourth filter screen 316 is embedded in the support plate 311, a water pump 317 is arranged on the bottom surface of the installation cavity 302, a water pipe 318 penetrating through the left side wall of the collection box body 301 and corresponding to the water inlet 211 is fixedly connected with the water pump 317 for collecting garbage, the collection device 3 is fixedly connected with, a first connecting pipeline 5 is fixedly connected to the filtering device 2;
specifically, the multi-stage centrifugal pump with the functions of filtering residues and removing slag is characterized in that a fixed block 206 is fixedly connected on a threaded rod 204 at the output end of a motor 203, a scraper 208 is fixedly connected at the lower end of an L-shaped rod 207 at the side of the side fixed block 206, a first filter screen 209 fixedly connected with the side wall of a cavity 202 is arranged at the lower end of the scraper 208, a raised wave point 2091 is arranged on the surface of the first filter screen 209, the wave point 2091 is of a semi-sphere structure, flocculent garbage filtered on the surface of the first filter screen 209 is supported through the wave point 2091, corners of the flocculent garbage are tilted, the flocculent garbage accumulated on the surface of the first filter screen 209 is scraped when the scraper 208 moves on the surface of the filter screen, a slag discharge port 210 corresponding to a collecting device 3 is arranged on the side surface of a filter box body 201, a water inlet is arranged below the slag discharge port 210, the scraper 208 moves to push the, the water pump 317 is prevented from being blocked by garbage, the working efficiency is improved, and the subsequent treatment of sewage is facilitated.
The filtering device 2 comprises a filtering box body 201, a cavity 202 and a motor 203 arranged on the side wall of the filtering box body 201, the output end of the motor 203 is fixedly connected with a threaded rod 204, the threaded rod 204 is in threaded connection with a fixed block 206, the side surface of the fixed block 206 is fixedly connected with an L-shaped rod 207, the lower end of the L-shaped rod 207 is fixedly connected with a scraping plate 208, the scraping plate 208 is arranged in an inverted V shape, can carry out the secondary to scraper blade 208 and strike off rubbish, the effect is better, scraper blade 208 lower extreme is provided with first filter screen 209, first filter screen 209 is the plane net, first filter screen 209 and cavity 202 lateral wall fixed connection, the row's cinder notch 210 that corresponds with collection device 3 is seted up to filter box 201 side, filter box 201 side is seted up the inlet opening 211 that corresponds with collection device 3, inlet opening 211 is located row's cinder notch 210 below, mounting groove 205 has been seted up to cavity 202 lateral wall, threaded rod 204 is connected with the rotation of mounting groove 205 inner wall.
Specifically, the multi-stage centrifugal pump with the functions of filtering residues and removing slag is characterized in that a connecting baffle plate 303 rotates in a slag inlet 304 on the left side wall of a collecting box body 301, a first spring 306 and a second spring in a first chute 305 and a second chute 308 above and below the slag inlet 304 are fixedly connected with a second filter screen 307 and a third filter screen 310, a third chute 312 and a fourth chute 314 corresponding to the second filter screen 307 and the third filter screen 310 are arranged in a supporting plate 311 on the rear side wall of the collecting box body 301, a third spring 313 in the third chute 312 is fixedly connected with the second filter screen 307, a fourth spring 315 in the fourth chute 314 is fixedly connected with the third filter screen 310, a fourth filter screen 316 is embedded in the supporting plate 311, a water pipe 318 corresponding to a water inlet hole penetrates through the left side wall of the collecting box body 301 is fixedly connected with a water pump 317 on the bottom surface of an installation cavity 302, and garbage is collected by the second filter screen 307 and the third filter screen 310, the second filter screen 307 and the third filter screen 310 are elastically stretched by the third spring 313 and the fourth spring 315, so that the second filter screen 307 and the third filter screen 310 elastically stretch according to the garbage collection amount when garbage is collected, the garbage collection capacity of the filter box is improved, the second filter screen 307 and the third filter screen 310 elastically stretch by the third spring 313 and the fourth spring 315, the garbage collected in the middle of the second filter screen 307 and the third filter screen 310 is squeezed by the elastic force of the third spring 313 and the fourth spring 315, excessive moisture in the garbage is squeezed out, the squeezed water is pumped back into the centrifugal pump, and the collection of flocculent garbage is improved.
The connecting device 4 comprises a water inlet channel 401 and a second connecting pipeline 402, the water inlet channel 401 is fixedly connected with the centrifugal pump body 1, the second connecting pipeline 402 is fixedly connected with the filter box body 201, the outer side of the water inlet channel 401 is in threaded connection with a threaded connecting ring 403, the water inlet channel 401 is in sliding connection with the second connecting pipeline 402, and the other end of the threaded connecting ring 403 is in threaded connection with the outer side of the second connecting pipeline 402. The outer side of the water inlet channel 401 is fixedly connected with a first limit ring 404.
Specifically, this kind of flowing back has multistage centrifugal pump of filter residue slagging-off function, at connecting device 4's inlet channel 401 outside threaded connection screw thread adapter ring 403, inlet channel 401 and centrifugal pump body 1 fixed connection, second connecting tube 402 and filter box 201 fixed connection, inlet channel 401 and second connecting tube 402 sliding connection, the threaded connection ring 403 other end and the outside threaded connection of second connecting tube 402, the installation and the dismantlement of filter equipment 2 of being convenient for.
The outer side of the water inlet channel 401 is fixedly connected with a first limiting ring 404, and the inner wall of the second connecting pipeline 402 is provided with a second limiting ring 405.
The side of the second limiting ring 405 is provided with a rubber sealing pad 406, the rubber sealing pad 406 is in an inverted triangle shape, and one end surface of the water inlet channel 401 close to the rubber sealing pad 406 is an inclined surface corresponding to the rubber sealing pad 406.
Concretely, this kind of flowing back has the multistage centrifugal pump of filter residue slagging-off function, at the inlet channel 401 outside fixed connection spacing ring, the first spacing ring 404 of inlet channel 401 outside fixed connection, set up rubber packing pad 406 in the second spacing ring 405 side of connecting tube inner wall, rubber packing pad 406 is the type of falling triangle, a terminal surface that inlet channel 401 is close to rubber packing pad 406 is the inclined plane that corresponds with rubber packing pad 406, through rubber packing pad 406, and then increase the leakproofness of whole equipment.
The collecting device 3 comprises a collecting box body 301 and a mounting cavity 302, the left side wall of the collecting box body 301 is provided with a slag inlet 304 corresponding to the slag discharge port 210, the slag inlet 304 is connected with a baffle plate 303 in a rotating way, the lower end of the baffle plate 303 is fixedly connected with the left side wall of the collecting box body 301 through a fifth spring, a first chute 305 is arranged above the slag inlet 304, the first chute 305 is internally and fixedly connected with a first spring 306, the other end of the first spring 306 is fixedly connected with a second filter screen 307, the lower part of the slag inlet 304 is provided with a second chute 308, the inner part of the second chute 308 is fixedly connected with a second spring 309, the other end of the second spring 309 is fixedly connected with a third filter screen 310, the back side wall of the collecting box body 301 is provided with a supporting plate 311, the supporting plate 311 is internally provided with a third chute 312 corresponding to the second filter screen 307, the third chute 312 is internally, a fourth sliding groove 314 corresponding to the third filter screen 310 is formed in the supporting plate 311, a fourth spring 315 is arranged in the fourth sliding groove 314, the fourth spring 315 is fixedly connected with the third filter screen 310, a fourth filter screen 316 is embedded in the supporting plate 311, a water pump 317 is arranged on the bottom surface of the mounting cavity 302, and the water pump 317 is fixedly connected with a water pipe 318 corresponding to the left side wall of the collecting box 301 and the water inlet 211.
Specifically, this kind of flowing back has multistage centrifugal pump of filter residue slagging-off function, through set up the closed door at collection box 301 back lateral wall, backup pad 311, second filter screen 307 and third filter screen 310 are all detachable, the taking out of the rubbish of being convenient for, scraper blade 208 is the type setting of falling V, can carry out the secondary to scraper blade 208 and strike off rubbish, and the effect is better, and the size of baffle 303 is greater than the size of advancing sediment mouth 304, can prevent that rubbish from getting into in filtering box 201.
The rear side wall of the collection box body 301 is provided with a closed door, the supporting plate 311, the second filter screen 307 and the third filter screen 310 can be detached, and the size of the baffle plate 303 is larger than that of the slag inlet 304.
L type pole 207 includes stopper 2071, extension spring 2072, and L type pole 207 top articulates in the fixed block bottom, and the fixed block 206 bottom is provided with stopper 2071, and stopper 2071 is located L type pole 207 left side at the fixed block 206 bottom, and stopper 2071 mid-mounting has extension spring 2072, and extension spring 2072 top is fixed in L type pole 207 left side middle part.
In particular, the L-shaped rod of the invention is hinged at the bottom end of the fixed block 206, so that the L-shaped rod can swing at the bottom end of the fixed block 206, the L-shaped rod can only swing back and forth within a certain angle range at the bottom end of the fixed block 206 by the limitation of the limit block 2071, when the fixed block 206 moves towards the slag discharge port 210, the L-shaped rod is supported by the limit block 2071, so that the L-shaped rod is erected on the surface of the first filter screen 209, the flocculent garbage accumulated on the surface of the first filter screen 209 is cleaned by the scraper 208 at the bottom, and when the fixed block 206 moves away from the slag discharge port 210, the L-shaped rod is pushed by the resistance of water, so that the L-shaped rod swings along the hinged position of the bottom end of the fixing block 206, the scraping plate 208 at the bottom end of the L-shaped rod is lifted from the surface of the first filter screen 209 and is far away from the surface of the first filter screen 209, and the situation that the flocculent garbage is pushed by the scraping plate 208 to move in the opposite direction of the slag discharge port 210 when the fixing block 206 is transported away from the slag discharge port 210 is effectively avoided.
Scraper blade 208 includes the chip storage groove 2081, press spring 2082, shovel bits sword 2083, scraper blade 208 bottom is provided with the twice shovel bits sword 2083 that are the shape of falling V contained angle, each shovel bits sword 2083 middle part equidistant offer with the stepping down mouth of wave point 2091 surface laminating, be provided with between scraper blade 208 and the L type pole 207 and press spring 2082, towards having seted up the chip storage groove 2081 in the scraper blade 208 lateral wall of slag discharge port 210 direction, the chip storage groove 2081 sets up in the top of shovel bits sword 2083.
Specifically, after the fixed block 206 is far away from the slag discharge port 210 to the maximum distance, the L-shaped rod is gradually perpendicular to the surface of the first filter screen 209 by the movement of the tension spring 2072, so that the scraper 208 is attached to the surface of the first filter screen 209, the fixed block 206 moves to the slag discharge port 210 next time to discharge slag on the surface of the first filter screen 209, the scraper 208 is attached to the surface of the first filter screen 209, the scraper 208 scrapes off the surface of each filter screen by the scraper blade 2083 with an inverted V-shaped included angle at the bottom in the moving process, the two scraper blade edges 2083 can scrape off the garbage for the second time on the scraper 208, further the scraping thoroughness of the flocculent garbage on the surface of the first filter screen 209 is improved, the chip storage groove 2081 is formed on the side wall of the scraper 208 facing the slag discharge port 210, so that the flocculent garbage scraped by the scraper blade edge 2083 moves through the fixed block 206, and the garbage is condensed in the chip storage groove 2081 by the pushing of, in the process of reducing scraps, garbage seeps from the surface of the filter screen, when the fixed block 206 moves into the slag discharge port 210, water flow changes into water, and the garbage in the scrap storage groove 2081 gradually falls into the slag discharge port 210, so that slag is discharged from flocculent garbage on the surface of the first filter screen 209.
The working principle is as follows: when the centrifugal pump works, the water inlet channel 401 is in threaded connection with the threaded connection ring 403 by arranging the filtering device 2, the second connection pipeline 402 is in threaded connection with the threaded connection ring 403, the water inlet channel 401 slides into the second connection pipeline 402 in the rotating process, the end part of the second connection pipeline 402 abuts against the first limiting ring 404, the end part of the water inlet channel 401 abuts against the rubber sealing gasket 406, after the installation is finished, the centrifugal pump body 1 is started to pump out sewage in a sewage pool, the sewage enters the first connection pipeline 5 from the water inlet pipe and enters the filtering box body 201, then enters the centrifugal pump body 1 through the first filter screen 209, the second connection pipeline 402 and the water inlet channel 401, then enters the centrifugal pump body 1 and is discharged from the water outlet channel of the centrifugal pump body 1, when the sewage enters the filtering box body 201, garbage floc in the sewage is blocked by the first filter screen 209, and meanwhile, the motor 203 is started to drive the threaded rod 204, the fixed block 206 moves to drive the L-shaped rod 207 and the scraping plate 208 to move to clean the garbage on the first filter screen 209, the scraping plate 208 pushes the garbage into the slag discharge port 210, the baffle plate 303 is stressed to rotate, the garbage is pushed onto the second filter screen 307 in the collection box body 301, the starting motor 203 is started to rotate reversely to withdraw the scraping plate 208, due to the action of the fifth spring, the baffle plate 303 is reset, when the baffle plate 303 is pushed away and the water pressure is overlarge, part of the water enters the collection box body 301, the water entering the collection box body 301 enters the lower end of the collection box body 301 through the second filter screen 307, when the second filter screen 307 has more garbage, due to the action of the first spring 306, the second spring 309, the third spring 313 and the fourth spring 315, the second filter screen 307 and the third filter screen 310 are driven to extrude the garbage, the water is discharged from the second filter screen 307, the third filter screen 310 and the third filter screen 310, and the water pump 317 is started to pump the water into the filter box, the refuse can be taken out by opening the closing door.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A multi-stage centrifugal pump with liquid drainage and filter residue and slag removal functions comprises a centrifugal pump body and is characterized in that a connecting device is arranged on the centrifugal pump body, a filter device is arranged on the connecting device, a collecting device is arranged on one side of the filter device and fixedly connected with the centrifugal pump body, and a first connecting pipeline is fixedly connected to the filter device;
the filtering device comprises a filtering box body, a cavity and a motor arranged on the side wall of the filtering box body, the output end of the motor is fixedly connected with a threaded rod, the threaded rod is connected with a fixed block by screw thread, the side surface of the fixed block is fixedly connected with an L-shaped rod, the lower end of the L-shaped rod is fixedly connected with a scraper, the lower end of the scraper is provided with a first filter screen, the surface of the first filter screen is provided with raised wave points, the wave points are arranged in a semi-sphere structure, the surface of the first filter screen is provided with convex wave points which are arranged in a semi-sphere structure, the first filter screen is fixedly connected with the side wall of the cavity, the side surface of the filter box body is provided with a slag discharge port corresponding to the collecting device, a water inlet hole corresponding to the collecting device is formed in the side face of the filter box body and is positioned below the slag discharging port, an installation groove is formed in the side wall of the cavity, and the threaded rod is rotatably connected with the inner wall of the installation groove;
connecting device includes inhalant canal and second connecting tube, inhalant canal and centrifugal pump body fixed connection, second connecting tube and filtration box fixed connection, inhalant canal outside threaded connection has the thread connection ring, inhalant canal and second connecting tube sliding connection, the thread connection ring other end and the second connecting tube outside threaded connection. The outer side of the water inlet channel is fixedly connected with a first limiting ring.
2. The multistage centrifugal pump with the functions of filtering residues and removing slag for liquid drainage as claimed in claim 1, wherein a first limiting ring is fixedly connected to the outer side of the water inlet channel, and a second limiting ring is arranged on the inner wall of the second connecting pipeline.
3. The multistage centrifugal pump with the functions of filtering residues and removing slag for liquid drainage as claimed in claim 2, wherein a rubber sealing gasket is arranged on the side surface of the second limiting ring, the rubber sealing gasket is in an inverted triangle shape, and one end surface of the water inlet channel, which is close to the rubber sealing gasket, is an inclined surface corresponding to the rubber sealing gasket.
4. The multistage centrifugal pump with the functions of filtering residues and removing slag for liquid drainage as claimed in claim 1, wherein the collecting device comprises a collecting box body and a mounting cavity, the left side wall of the collecting box body is provided with a slag inlet corresponding to the slag outlet, the slag inlet is rotatably connected with a baffle, the lower end of the baffle is fixedly connected with the left side wall of the collecting box body through a fifth spring, a first chute is arranged above the slag inlet, the first chute is internally and fixedly connected with a first spring, the other end of the first spring is fixedly connected with a second filter screen, a second chute is arranged below the slag inlet, the second chute is internally and fixedly connected with a second spring, the other end of the second spring is fixedly connected with a third filter screen, the rear side wall of the collecting box body is provided with a supporting plate, and a third chute corresponding to the second filter screen is arranged in the supporting plate, the improved water filter is characterized in that a third spring is arranged in the third sliding groove, the third spring is fixedly connected with the second filter screen, a fourth sliding groove corresponding to the third filter screen is formed in the supporting plate, a fourth spring is arranged in the fourth sliding groove, the fourth spring is fixedly connected with the third filter screen, a fourth filter screen is embedded in the supporting plate, a water pump is arranged on the bottom surface of the mounting cavity, and the water pump is fixedly connected with a water pipe which penetrates through the left side wall of the collecting box body and corresponds to the water inlet hole (211).
5. The multistage centrifugal pump with the functions of filtering residues and removing slag for liquid drainage of claim 4, wherein the back side wall of the collection box body is provided with a closed door, and the support plate, the second filter screen and the third filter screen are detachable.
6. The multistage centrifugal pump with the function of filtering residues and removing slag for liquid drainage of claim 4, wherein the size of the baffle is larger than that of the slag inlet.
7. The multistage centrifugal pump with the liquid discharge and the residue filtering functions according to claim 1, wherein the L-shaped rod comprises a limiting block and a tension spring, the top end of the L-shaped rod is hinged to the bottom end of the fixing block, the limiting block is arranged at the bottom end of the fixing block and located on the left side of the L-shaped rod, the tension spring is mounted in the middle of the limiting block, and the top end of the tension spring is fixed in the middle of the left side of the L-shaped rod.
8. The multistage centrifugal pump with the functions of filtering residues and removing slag for liquid drainage as claimed in claim 1, wherein the scraper comprises a chip storage groove, a pressing spring and a chip shoveling blade, two chip shoveling blades with inverted V-shaped included angles are arranged at the bottom end of the scraper, each chip shoveling blade is provided with a yielding port which is attached to a wave point surface at the middle part at equal intervals, the pressing spring is arranged between the scraper and the L-shaped rod, the chip storage groove is formed in the side wall of the scraper facing the direction of the slag discharge port, and the chip storage groove is arranged above the chip shoveling blade.
CN202011206462.0A 2020-11-02 2020-11-02 Flowing back has multistage centrifugal pump of filter residue slagging-off function Withdrawn CN112360749A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658696A (en) * 2022-04-02 2022-06-24 南昌智产科技有限公司 Environment-friendly blowdown pump station with function is collected fast to flocculation thing

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KR20070053081A (en) * 2005-11-19 2007-05-23 정기출 Appratus for squeezing food waste for kitchen sink
CN205627332U (en) * 2016-04-08 2016-10-12 高深 Waste liquid treatment device of live pig plant
CN107857021A (en) * 2017-11-20 2018-03-30 肇庆高新区进化论科技有限公司 A kind of novel garbage can
CN207806797U (en) * 2017-12-29 2018-09-04 新乡市和光科技有限公司 A kind of outer burr scraper of caliber weldment
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Publication number Priority date Publication date Assignee Title
CN114658696A (en) * 2022-04-02 2022-06-24 南昌智产科技有限公司 Environment-friendly blowdown pump station with function is collected fast to flocculation thing

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Application publication date: 20210212