CN212867936U - IHF type fluoroplastic reinforced alloy chemical centrifugal pump - Google Patents
IHF type fluoroplastic reinforced alloy chemical centrifugal pump Download PDFInfo
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- CN212867936U CN212867936U CN202021469324.7U CN202021469324U CN212867936U CN 212867936 U CN212867936 U CN 212867936U CN 202021469324 U CN202021469324 U CN 202021469324U CN 212867936 U CN212867936 U CN 212867936U
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- impeller
- pump
- pump body
- shaft
- ihf
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- 229920002313 fluoropolymer Polymers 0.000 title claims abstract description 25
- 239000000126 substance Substances 0.000 title claims abstract description 19
- 239000000956 alloy Substances 0.000 title claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 229910010271 silicon carbide Inorganic materials 0.000 abstract description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 11
- 230000003068 static effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a IHF type fluoroplastics reinforcing alloy chemical industry centrifugal pump relates to centrifugal pump technical field, which comprises a pump body, the cavity has been seted up to the inside of the pump body, the inside axle that is provided with of cavity of the pump body, the one end of axle is located the inside of cavity, the one end fixedly connected with impeller skeleton of axle, install the impeller on the impeller skeleton, the impeller passes through impeller nut fixed mounting at the surface of impeller skeleton, the right side fixed mounting of the pump body has the pump cover. The utility model can compensate the radial run-out of the pump shaft by fixedly installing the fluoroplastic layer and the bearing, has the advantages of single end face sealing external installation type, easy assembly and disassembly, visual working state, good corrosion resistance, wear resistance and sealing performance, and prolongs the service life of the mechanical seal; when conveying corrosive media containing impurity particles, the non-cooling water single-end-face hard-to-hard mechanical seal can be matched, and the non-pressure sintered silicon carbide seal can be matched with special corrosive media such as strong alkali and hydrofluoric acid.
Description
Technical Field
The utility model relates to a centrifugal pump technical field specifically is a IHF type fluoroplastics reinforcing alloy chemical centrifugal pump.
Background
The IHF type fluoroplastic chemical centrifugal pump is a single-stage single-suction centrifugal pump and is designed according to the international standard ISO 2858. The medium overflowing part is made of FEP, PVDF and other materials, has high-temperature resistance and strong corrosion performance, is widely suitable for industries such as chemical industry, pharmacy, petroleum, metallurgy, smelting, electric power, electroplating, printing and dyeing, pesticide, papermaking, food, chemical fiber and the like to convey various corrosive media such as various acids, liquid alkalis, strong oxidants and the like with any concentration for a long time at the temperature of-85-200 ℃, and the performances of the existing chemical centrifugal pump can not meet the requirements of people.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a IHF type fluoroplastics reinforcing alloy chemical centrifugal pump has solved the problem that present IHF type fluoroplastics reinforcing alloy chemical centrifugal pump each side performance that proposes can not satisfy people's needs in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a IHF type fluoroplastics reinforcing alloy chemical industry centrifugal pump, includes the pump body, the cavity has been seted up to the inside of the pump body, the inside axle that is provided with of cavity of the pump body, the one end of axle is located the inside of cavity, the one end fixedly connected with impeller skeleton of axle, install the impeller on the impeller skeleton, the impeller passes through impeller nut fixed mounting at the surface of impeller skeleton, the right side fixed mounting of the pump body has the pump cover, the right side fixed mounting of pump cover has sealing member, sealing member's right side outside is provided with the intermediate strut, intermediate strut fixed mounting is on the right side of the pump body, one side fixed mounting that the pump body was kept away from to the intermediate.
Furthermore, the other end of the shaft penetrates through the pump cover, the sealing part, the middle support and the suspension body and extends to the outside of the right side of the suspension body, and the middle parts of the left side and the right side of the suspension body are rotatably connected with the outer surface of the shaft in the suspension body through bearings.
Furthermore, a sealing gasket is arranged between the pump cover and the pump body, and a fluoroplastic layer is fixedly connected to the inner wall of the pump body.
Furthermore, the pump cover, the impeller and the shaft are integrally sintered and pressed to be formed by wrapping fluoroplastics outside the metal inserts.
Furthermore, the shaft is rotatably connected with the pump cover through a bearing.
(III) advantageous effects
The utility model provides a IHF type fluoroplastics reinforcing alloy chemical industry centrifugal pump possesses following beneficial effect:
(1) the IHF type fluoroplastic reinforced alloy chemical centrifugal pump has the advantages that the fluoroplastic layer and the bearing are fixedly installed, the radial runout of the pump shaft can be compensated, the single end face is sealed and externally installed, the assembly and disassembly are easy, the working state is visual, the corrosion resistance and wear resistance sealing performance is good, the multilayer protection is realized, and the service life of the mechanical seal is prolonged; when conveying corrosive media containing impurity particles, the non-cooling water single-end-face hard-to-hard (silicon carbide to silicon carbide) mechanical seal can be matched, and the non-pressure sintered silicon carbide seal can be matched with special corrosive media such as strong alkali and hydrofluoric acid.
Drawings
Fig. 1 is the sectional structure schematic diagram of the IHF type fluoroplastic reinforced alloy chemical centrifugal pump of the present invention.
In the figure: 1. a pump body; 2. an impeller; 3. an impeller nut; 4. a pump cover; 5. a sealing member; 6. a middle support; 7. a shaft; 8. a suspension body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution:
the IHF type fluoroplastic reinforced alloy chemical centrifugal pump comprises a pump body 1, wherein a fluoroplastic layer is fixedly connected to the inner wall of the pump body 1, a cavity is formed in the pump body 1, a shaft 7 is mounted inside the cavity of the pump body 1, the shaft 7 is rotatably connected with a pump cover 4 through a bearing, one end of the shaft 7 is located inside the cavity, an impeller framework is fixedly connected to one end of the shaft 7, an impeller 2 is mounted on the impeller framework, the impeller 2 is fixedly mounted on the outer surface of the impeller framework through an impeller nut 3, a pump cover 4 is fixedly mounted on the right side of the pump body 1, a sealing gasket is arranged between the pump cover 4 and the pump body 1, a sealing part 5 is fixedly mounted on the right side of the pump cover 4, an intermediate support 6 is arranged outside the right side of the sealing part 5, the intermediate support 6 is fixedly mounted on the right side of the pump body, The sealing component 5, the middle support 6 and the suspension body 8 extend to the right outer part of the suspension body 8, the middle parts of the left side and the right side of the suspension body 8 are rotatably connected with the outer surface of the shaft 7 in the suspension body 8 through bearings, the pump cover 4, the impeller 2 and the shaft 7 are integrally sintered and pressed and formed by wrapping fluoroplastic outside a metal insert, radial run-out of the shaft 7 can be compensated through fixedly mounting a fluoroplastic layer and the bearings, the single-end-face sealing external mounting type is easy to assemble and disassemble, the working state is visual, the corrosion-resistant wear-resistant sealing performance is good, multilayer protection is realized, and the service life of the mechanical seal is prolonged; when conveying corrosive media containing impurity particles, the non-cooling water single-end-face hard-to-hard silicon carbide-to-silicon carbide mechanical seal can be matched, and the non-pressure sintered silicon carbide seal can be matched with special corrosive media such as strong alkali and hydrofluoric acid.
The IHF type fluoroplastic reinforced alloy chemical centrifugal pump has the working principle that after the centrifugal pump is started, the shaft 7 drives the impeller 2 to rotate at high speed together to force liquid filled between the blades in advance to rotate, under the action of inertial centrifugal force, the liquid moves radially from the center of the impeller 2 to the periphery, the liquid obtains energy in the moving process of flowing through the impeller 2, the static pressure energy is increased, the flow rate is increased, when the liquid leaves the impeller 2 and enters the pump body 1, because the flow passage in the pump body 1 is gradually enlarged and decelerated, part of kinetic energy is converted into static pressure energy and finally flows into a discharge pipeline along the tangential direction, the pump body 1 is not only a part for collecting the liquid discharged from the impeller 2, but also a power converter, and when the liquid is thrown from the center of the impeller 2 to the outer periphery, the center of the impeller 2 forms a low pressure region, under the action of the potential energy difference between the liquid level of the storage tank and the center of the impeller 2, the liquid is sucked into the center of the impeller 2. By virtue of the continuous operation of the impeller 2, the liquid is continuously sucked in and discharged, and the mechanical energy obtained by the liquid in the centrifugal pump is finally expressed as an increase in the static pressure energy.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. An IHF type fluoroplastic reinforced alloy chemical centrifugal pump comprises a pump body (1), it is characterized in that a cavity is arranged in the pump body (1), a shaft (7) is arranged in the cavity of the pump body (1), one end of the shaft (7) is positioned in the cavity, one end of the shaft (7) is fixedly connected with an impeller framework, the impeller (2) is arranged on the impeller framework, the impeller (2) is fixedly arranged on the outer surface of the impeller framework through an impeller nut (3), a pump cover (4) is fixedly arranged on the right side of the pump body (1), a sealing part (5) is fixedly arranged on the right side of the pump cover (4), a middle bracket (6) is arranged outside the right side of the sealing component (5), the middle bracket (6) is fixedly arranged on the right side of the pump body (1), and a suspension body (8) is fixedly arranged on one side, away from the pump body (1), of the middle bracket (6);
the other end of the shaft (7) penetrates through the pump cover (4), the sealing part (5), the middle support (6) and the suspension body (8) and extends to the outside of the right side of the suspension body (8), and the middle parts of the left side and the right side of the suspension body (8) are rotatably connected with the outer surface, located in the suspension body (8), of the shaft (7) through bearings;
the pump cover (4), the impeller (2) and the shaft (7) are integrally sintered and pressed to be formed by wrapping fluoroplastics outside the metal inserts.
2. The IHF type fluoroplastic reinforced alloy chemical centrifugal pump of claim 1, wherein,
be provided with sealed the pad between pump cover (4) and the pump body (1), the inner wall fixedly connected with fluoroplastics layer of the pump body (1).
3. The IHF type fluoroplastic reinforced alloy chemical centrifugal pump of claim 1, wherein,
the shaft (7) is rotatably connected with the pump cover (4) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469324.7U CN212867936U (en) | 2020-07-23 | 2020-07-23 | IHF type fluoroplastic reinforced alloy chemical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469324.7U CN212867936U (en) | 2020-07-23 | 2020-07-23 | IHF type fluoroplastic reinforced alloy chemical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867936U true CN212867936U (en) | 2021-04-02 |
Family
ID=75216736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021469324.7U Active CN212867936U (en) | 2020-07-23 | 2020-07-23 | IHF type fluoroplastic reinforced alloy chemical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867936U (en) |
-
2020
- 2020-07-23 CN CN202021469324.7U patent/CN212867936U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu hebojia Fluid Technology Co.,Ltd. Assignor: JIANGSU JULANG PUMPS AND VALVES Co.,Ltd. Contract record no.: X2024980009131 Denomination of utility model: An IHF type fluoroplastic reinforced alloy chemical centrifugal pump Granted publication date: 20210402 License type: Common License Record date: 20240709 |