CN111365247A - Slurry pump with cleaning device and use method thereof - Google Patents
Slurry pump with cleaning device and use method thereof Download PDFInfo
- Publication number
- CN111365247A CN111365247A CN202010222334.9A CN202010222334A CN111365247A CN 111365247 A CN111365247 A CN 111365247A CN 202010222334 A CN202010222334 A CN 202010222334A CN 111365247 A CN111365247 A CN 111365247A
- Authority
- CN
- China
- Prior art keywords
- pump
- pump shell
- auxiliary body
- main body
- pipeline joint
- 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.)
- Pending
Links
- 239000002002 slurry Substances 0.000 title claims abstract description 46
- 238000004140 cleaning Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 34
- 238000003466 welding Methods 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 5
- 238000005201 scrubbing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- B08B1/12—
-
- B08B1/20—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention relates to the technical field of slurry pumps, and discloses a slurry pump with a cleaning device and a use method thereof. The invention accelerates the speed of the slurry pump in the cleaning process, saves the time for cleaning the slurry pump, reduces the labor intensity of operators in the cleaning process of the slurry pump, and improves the convenience for cleaning the slurry pump.
Description
Technical Field
The invention relates to the technical field of slurry pumps, in particular to a slurry pump with a cleaning device and a use method thereof.
Background
The slurry pump refers to a device for converting electric energy into kinetic energy and potential energy of a medium by a machine for increasing energy of a solid-liquid mixed medium by the action of centrifugal force (rotation of an impeller of the pump). The method is mainly suitable for the following steps: the fields of mine, power plant, dredging, metallurgy, chemical industry, building materials, petroleum and other industries.
Currently, existing slurry pumps have some disadvantages, such as; the speed of the existing slurry pump is relatively low in the cleaning process, the cleaning time of the slurry pump is prolonged, the labor intensity of operators in the cleaning process of the slurry pump is improved, and the cleaning convenience of the slurry pump is improved.
Disclosure of Invention
The invention aims to provide a slurry pump with a cleaning device and a using method thereof, which solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a slurry pump with a cleaning device and a using method thereof comprise a pump shell main body and a pump shell auxiliary body, wherein the pump shell main body and the pump shell auxiliary body are respectively provided with a water outlet, a pipeline joint and a connecting plate, the water outlet is positioned in the pump shell main body and the pump shell auxiliary body, the pipeline joint is respectively connected with the outer surfaces of the pump shell main body and the pump shell auxiliary body by welding, the connecting plate is respectively connected with the side surfaces of the pump shell main body and the pump shell auxiliary body by welding, the pipeline joint is provided with a control valve, the connecting plate is internally provided with a fixing bolt, the pump shell auxiliary body is provided with a water inlet interface, a water outlet interface and a fixing groove, the water inlet interface is positioned in the middle of the pump shell auxiliary body, the water outlet interface is positioned at the upper right side of the pump shell auxiliary body, the fixing groove is internally provided with a sealing threaded column, and the sealing, the sealing gasket is sleeved on the outer surface of the sealing threaded column, and the rotating handle is connected with the right end of the sealing threaded column through welding.
In a preferred embodiment of the present invention, the water outlet is angled with respect to the pump housing main body and the pump housing sub body, respectively, and communicates with the inside of the pipe joint.
In a preferred embodiment of the present invention, the connecting plates are provided in two sets and symmetrically disposed on the side surfaces of the pump casing main body and the pump casing sub-body, and the fixing bolts are connected to the inside of the connecting plates by screws.
In a preferred embodiment of the present invention, the fixing groove penetrates through the inside of the pump housing sub-body and is connected to the sealing screw post by a screw.
In a preferred embodiment of the present invention, the gasket is made of PVC and has a circular ring shape.
In a preferred embodiment of the present invention, the control valve is connected to the inside of the pipe joints by means of threads, and the pipe joints are uniformly distributed at the edges of the outer surfaces of the pump casing main body and the pump casing sub body.
In a preferred embodiment of the present invention, the method for using the slurry pump with the cleaning device comprises the following steps:
a. when the interior of a pump shell main body and the interior of a pump shell auxiliary body of the slurry pump need to be cleaned, an operator firstly connects a water source to a pipeline joint through a pipeline;
b. after the step a is finished, screwing out the sealing threaded column from the inside of the fixed groove through a rotating handle;
c. after the step b is finished, loosening the control valve from the inside of the pipeline joint so as to enable water to flow from the inside of the pipeline joint, spraying water into the pump shell main body and the pump shell auxiliary body from the water outlet to clean the inner walls of the pump shell main body and the pump shell auxiliary body and the pump impeller, inserting a hairbrush into the pump shell main body and the pump shell auxiliary body from the inside of the fixed groove to scrub the pump impeller, and enabling the impeller to rotate at a slow speed during scrubbing;
d. after step c is finished, the sealing threaded column is screwed up in the fixing groove through the rotating handle after the inside of the slurry pump is cleaned, then the water pipe connected to the pipeline joint is dismounted, and the control valve is screwed up in the pipeline joint.
Compared with the prior art, the invention has the following beneficial effects:
the invention combines the pipeline joint, the control valve, the fixed groove, the sealing threaded column, the sealing gasket and the rotating handle, when the interior of the pump shell main body and the pump shell auxiliary body of the slurry pump needs to be cleaned, an operator firstly connects a water source to the pipeline joint through the pipeline, then screws the sealing threaded column out of the interior of the fixed groove through the rotating handle, and then loosens the control valve from the interior of the pipeline joint so as to lead water to flow from the interior of the pipeline joint, and sprays water into the interior of the pump shell main body and the pump shell auxiliary body from a water outlet to clean the inner walls of the pump shell main body and the pump shell auxiliary body and the pump impeller, and simultaneously inserts the brush into the interior of the pump shell main body and the pump shell auxiliary body from the interior of the fixed groove to clean the pump impeller, the impeller rotates slowly during cleaning, thereby effectively accelerating the speed of the slurry pump in the cleaning process and saving the time of the slurry pump, the labor intensity of operators in the cleaning process of the slurry pump is reduced, and the convenience of cleaning the slurry pump is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a pump housing main body and a pump housing auxiliary body of a slurry pump with a cleaning device according to the present invention;
FIG. 2 is a side view of a pump housing main body and a pump housing auxiliary body of a slurry pump with a cleaning device according to the present invention;
FIG. 3 is a partial cross-sectional view of the pump housing sub of a slurry pump with a cleaning apparatus of the present invention;
FIG. 4 is a sectional view of a pump housing main body and a pump housing auxiliary body of the slurry pump with the cleaning device of the invention.
In the figure: the pump shell comprises a pump shell main body 1, a pump shell auxiliary body 2, a water outlet 3, a pipeline joint 4, a connecting plate 5, a control valve 6, a fixing bolt 7, a water inlet connector 8, a water outlet connector 9, a fixing groove 10, a sealing threaded column 11, a sealing gasket 12 and a rotating handle 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a slurry pump with a cleaning device and a using method thereof comprise a pump case main body 1 and a pump case auxiliary body 2, wherein the pump case main body 1 and the pump case auxiliary body 2 are respectively provided with a water outlet 3, a pipeline joint 4 and a connecting plate 5, the water outlet 3 is positioned inside the pump case main body 1 and the pump case auxiliary body 2, the pipeline joint 4 is respectively connected with the outer surfaces of the pump case main body 1 and the pump case auxiliary body 2 through welding, the connecting plate 5 is respectively connected with the side surfaces of the pump case main body 1 and the pump case auxiliary body 2 through welding, the pipeline joint 4 is provided with a control valve 6, the connecting plate 5 is internally provided with a fixing bolt 7, the pump case auxiliary body 2 is provided with a water inlet port 8, a water outlet port 9 and a fixing groove 10, the water inlet port 8 is positioned in the middle of the pump case auxiliary body 2, and the water outlet port 9 is positioned at the upper right side of, the inside of fixed slot 10 is provided with sealed screw thread post 11, be provided with sealed 12 and change 13 on the sealed screw thread post 11, sealed 12 covers in sealed pad 11's surface, change 13 through welding in the right-hand member of sealed screw thread post 11 is connected.
Further, the water outlet 3 is respectively at an angle of 30 degrees with the pump casing main body 1 and the pump casing auxiliary body 2, and is communicated with the inside of the pipe joint 4.
Further, the two sets of connecting plates 5 are symmetrically arranged on the side surfaces of the pump shell main body 1 and the pump shell auxiliary body 2, and the fixing bolts 7 are connected with the inside of the connecting plates 5 through threads.
Further, the fixing groove 10 penetrates the inside of the pump housing sub-body 2 and is threadedly coupled to the sealing threaded post 11.
Further, the sealing pad 12 is made of PVC and is annular.
Further, the control valve 6 is connected with the inside of the pipe joint 4 through threads, and the pipe joints 4 are uniformly distributed at the edges of the outer surfaces of the pump shell main body 1 and the pump shell auxiliary body 2.
Further, the use method of the slurry pump with the cleaning device comprises the following steps:
a. when the interior of the pump shell main body 1 and the interior of the pump shell auxiliary body 2 of the slurry pump need to be cleaned, an operator firstly connects a water source to the pipeline joint 4 through a pipeline;
b. after the step a is finished, screwing the sealing threaded column 11 out of the fixing groove 10 through the rotating handle 13;
c. after the step b is finished, loosening the control valve 6 from the inside of the pipeline joint 4 so as to enable water to flow from the inside of the pipeline joint 4, spraying the water into the pump shell main body 1 and the pump shell auxiliary body 2 from the water outlet 3 to clean the inner walls of the pump shell main body 1 and the pump shell auxiliary body 2 and the pump impeller, simultaneously inserting a brush into the pump shell main body 1 and the pump shell auxiliary body 2 from the inside of the fixing groove 10 to scrub the pump impeller, and enabling the impeller to rotate at a slow speed during scrubbing;
d. after the step c is finished, after the cleaning of the inside of the slurry pump is finished, the sealing threaded column 11 is screwed inside the fixing groove 10 through the rotating handle 13, then the water pipe connected to the pipe joint 4 is removed, and the control valve 6 is screwed inside the pipe joint 4.
When the slurry pump with the cleaning device and the use method thereof are used, when the interior of a pump shell main body 1 and a pump shell auxiliary body 2 of the slurry pump needs to be cleaned, an operator firstly connects a water source to a pipeline joint 4 through a pipeline, then screws out a sealing threaded column 11 from the interior of a fixed groove 10 through a rotating handle 13, then loosens a control valve 6 from the interior of the pipeline joint 4 so as to enable water to flow from the interior of the pipeline joint 4, sprays water into the pump shell main body 1 and the interior of the pump shell auxiliary body 2 through a water outlet 3 to clean the inner walls of the pump shell main body 1 and the pump shell auxiliary body 2 and a pump impeller, simultaneously inserts a brush into the interior of the pump shell main body 1 and the interior of the pump shell auxiliary body 2 from the interior of the fixed groove 10 to clean the pump impeller, the impeller rotates at a slow speed during cleaning, and screws the sealing threaded column 11 into the interior of the fixed groove 10 through the rotating handle 13 after the interior of the slurry pump is cleaned, the water line connected to the pipe joint 4 is then removed and the control valve 6 is screwed into the pipe joint 4.
The pump case main body 1, the pump case auxiliary body 2, the water outlet 3, the pipeline joint 4, the connecting plate 5, the control valve 6, the fixing bolt 7, the water inlet interface 8, the water outlet interface 9, the fixing groove 10, the sealing threaded column 11, the sealing gasket 12, the rotating handle 13 and other parts of the invention are all parts which are common standard parts or known by technicians in the field, the structure and the principle of the invention are known by technicians through technical manuals or conventional experimental methods, through the combination of the pipeline joint 4, the control valve 6, the fixing groove 10, the sealing threaded column 11, the sealing gasket 12 and the rotating handle 13, when the interior of the pump case main body 1 and the pump case auxiliary body 2 of a slurry pump needs to be cleaned, an operator firstly connects a water source to the pipeline joint 4 through a pipeline, then screws the sealing threaded column 11 out of the fixing groove 10 through the rotating handle 13, then loosens the control valve 6 from the interior of the pipeline joint 4, so as to let water from the inside of pipe joint 4, and spout water into pump case main part 1 and the inside inner wall and the pump impeller of pump case auxiliary part 2 and wash pump case main part 1 and pump case auxiliary part 2 by delivery port 3, reuse the brush simultaneously and insert the inside of pump case main part 1 and pump case auxiliary part 2 from the inside of fixed slot 10 and scrub the pump impeller, the impeller carries out slow rotating when scrubbing, the effectual speed of sediment stuff pump in the clearance process of having accelerated, the time when having saved sediment stuff pump clearance, operating personnel's intensity of labour in the sediment stuff pump clearance process has been reduced, the convenience when having improved the sediment stuff pump clearance.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a take cleaning device's sediment stuff pump, includes pump case main part (1) and pump case auxiliary body (2), its characterized in that: the pump shell main body (1) and the pump shell auxiliary body (2) are respectively provided with a water outlet (3), a pipeline joint (4) and a connecting plate (5), the water outlet (3) is positioned in the pump shell main body (1) and the pump shell auxiliary body (2), the pipeline joint (4) is respectively connected with the outer surfaces of the pump shell main body (1) and the pump shell auxiliary body (2) by welding, the connecting plate (5) is respectively connected with the side surfaces of the pump shell main body (1) and the pump shell auxiliary body (2) by welding, the pipeline joint (4) is provided with a control valve (6), the connecting plate (5) is internally provided with a fixing bolt (7), the pump shell auxiliary body (2) is provided with a water inlet interface (8), a water outlet interface (9) and a fixing groove (10), and the water inlet interface (8) is positioned in the middle of the pump shell auxiliary body (2), the water outlet port (9) is located at the upper right of the pump shell auxiliary body (2), a sealing threaded column (11) is arranged inside the fixing groove (10), a sealing gasket (12) and a rotating handle (13) are arranged on the sealing threaded column (11), the sealing gasket (12) is sleeved on the outer surface of the sealing threaded column (11), and the rotating handle (13) is connected with the right end of the sealing threaded column (11) through welding.
2. The slurry pump with the cleaning device as claimed in claim 1, wherein: the water outlet (3) is respectively in an angle of 30 degrees with the pump shell main body (1) and the pump shell auxiliary body (2) and is communicated with the interior of the pipeline joint (4).
3. The slurry pump with the cleaning device as claimed in claim 1, wherein: the two groups of connecting plates (5) are symmetrically arranged on the side surfaces of the pump shell main body (1) and the pump shell auxiliary body (2), and the fixing bolts (7) are connected with the inside of the connecting plates (5) through threads.
4. The slurry pump with the cleaning device as claimed in claim 1, wherein: the fixing groove (10) penetrates through the interior of the pump shell auxiliary body (2) and is connected with the sealing thread column (11) through threads.
5. The slurry pump with the cleaning device as claimed in claim 1, wherein: the sealing gasket (12) is made of PVC material and is annular.
6. The slurry pump with the cleaning device as claimed in claim 1, wherein: the control valve (6) is connected with the interior of the pipeline joint (4) through threads, and the pipeline joint (4) is uniformly distributed at the edges of the outer surfaces of the pump shell main body (1) and the pump shell auxiliary body (2).
7. The use method of the slurry pump with the cleaning device according to claim 1, is characterized in that: the use steps are as follows:
a. when the interior of a pump shell main body (1) and the interior of a pump shell auxiliary body (2) of a slurry pump need to be cleaned, an operator firstly connects a water source to a pipeline joint (4) through a pipeline;
b. after the step a is finished, screwing the sealing threaded column (11) out of the fixing groove (10) through the rotating handle (13);
c. after the step b is finished, loosening the control valve (6) from the inside of the pipeline joint (4) so as to enable water to be sprayed into the pump shell main body (1) and the pump shell auxiliary body (2) from the water outlet (3) from the inside of the pipeline joint (4) to clean the inner walls of the pump shell main body (1) and the pump shell auxiliary body (2) and the pump impeller, inserting a brush into the pump shell main body (1) and the pump shell auxiliary body (2) from the inside of the fixing groove (10) to scrub the pump impeller, and enabling the impeller to rotate at a slow speed during scrubbing;
d. and after the step c is finished, screwing the sealing threaded column (11) in the fixing groove (10) through the rotating handle (13) after the inside of the slurry pump is cleaned, then removing the water pipe connected to the pipeline joint (4), and screwing the control valve (6) in the pipeline joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222334.9A CN111365247A (en) | 2020-03-26 | 2020-03-26 | Slurry pump with cleaning device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010222334.9A CN111365247A (en) | 2020-03-26 | 2020-03-26 | Slurry pump with cleaning device and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111365247A true CN111365247A (en) | 2020-07-03 |
Family
ID=71204807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010222334.9A Pending CN111365247A (en) | 2020-03-26 | 2020-03-26 | Slurry pump with cleaning device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111365247A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2612828Y (en) * | 2003-01-23 | 2004-04-21 | 丁春生 | Pump flusher |
| DE10353829A1 (en) * | 2003-11-18 | 2005-06-23 | Bayer Materialscience Ag | Centrifugal pump for mixing a washing liquid with a polycarbonate solution incorporates stream breaking elements located on the impeller and/or on the pressure lid |
| CN201071836Y (en) * | 2007-07-23 | 2008-06-11 | 蒋亮健 | Volute casing of air curtain machine |
| CN204900354U (en) * | 2015-08-13 | 2015-12-23 | 扬州弘跃机械有限公司 | Corrosion -resistant mixed flow pump washing unit |
| CN208763923U (en) * | 2018-08-30 | 2019-04-19 | 天津天沐环保科技有限公司 | A kind of submersible sewage pump of the interior decoration with pre-washing function |
| CN209875577U (en) * | 2019-04-12 | 2019-12-31 | 贵州开磷集团矿肥有限责任公司 | Self-cleaning device for diammonium phosphate tail gas fan |
| CN110821897A (en) * | 2019-11-18 | 2020-02-21 | 林翔 | Self-dredging type water pump |
-
2020
- 2020-03-26 CN CN202010222334.9A patent/CN111365247A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2612828Y (en) * | 2003-01-23 | 2004-04-21 | 丁春生 | Pump flusher |
| DE10353829A1 (en) * | 2003-11-18 | 2005-06-23 | Bayer Materialscience Ag | Centrifugal pump for mixing a washing liquid with a polycarbonate solution incorporates stream breaking elements located on the impeller and/or on the pressure lid |
| CN201071836Y (en) * | 2007-07-23 | 2008-06-11 | 蒋亮健 | Volute casing of air curtain machine |
| CN204900354U (en) * | 2015-08-13 | 2015-12-23 | 扬州弘跃机械有限公司 | Corrosion -resistant mixed flow pump washing unit |
| CN208763923U (en) * | 2018-08-30 | 2019-04-19 | 天津天沐环保科技有限公司 | A kind of submersible sewage pump of the interior decoration with pre-washing function |
| CN209875577U (en) * | 2019-04-12 | 2019-12-31 | 贵州开磷集团矿肥有限责任公司 | Self-cleaning device for diammonium phosphate tail gas fan |
| CN110821897A (en) * | 2019-11-18 | 2020-02-21 | 林翔 | Self-dredging type water pump |
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| PB01 | Publication | ||
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Application publication date: 20200703 |