CN216241336U - Energy-saving acid pump - Google Patents
Energy-saving acid pump Download PDFInfo
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- CN216241336U CN216241336U CN202122824634.7U CN202122824634U CN216241336U CN 216241336 U CN216241336 U CN 216241336U CN 202122824634 U CN202122824634 U CN 202122824634U CN 216241336 U CN216241336 U CN 216241336U
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- pump
- acid
- main body
- impeller
- resistant
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Abstract
The application provides an energy-conserving acid pump, including pump main part, pump shaft, impeller, mechanical seal device. A flow passage is arranged in the pump main body. The pump shaft is arranged on the pump main body in a penetrating way through the bearing device. The impeller is arranged on the pump shaft and is positioned in the flow channel of the water pump shell main body. The mechanical sealing device is arranged between the pump shaft and the water pump shell body and is made of flexible acid-resistant materials. The runners of the impeller and the pump main body are made of acid-resistant materials, and acid-resistant coatings are arranged on the surfaces of the runners of the pump main body and the surfaces of the impeller. The application provides an energy-conserving acid pump, structural perfect in traditional double entry pump, adopt flexible acid-resistant sealing material, the runner such as the pump body and impeller matches acid-resistant material and processes to the anticorrosive acid-resistant coating of spraying high performance has strengthened the corrosion resistance of water pump under the prerequisite of keeping former high-efficient advantage, has prolonged the life of water pump, has solved shortcomings such as present acid water system corrodes seriously, life weak point.
Description
Technical Field
The utility model relates to the field of pump bodies, in particular to an energy-saving acid pump.
Background
In some acid liquid systems, the pump body is required to provide flowing power for acid liquid, but the traditional pump body is poor in acid resistance, and after the pump body is arranged in the acid liquid system, the pump body is seriously corroded, and the service life of the pump body is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an energy-saving acid pump, which is used for solving the technical problem that the service life of a pump body is short because the traditional pump body is easily corroded in an acid water system.
In order to achieve the purpose, the utility model adopts the technical scheme that: an energy efficient acid pump is provided, comprising:
the pump comprises a pump main body, wherein a flow passage is arranged in the pump main body;
the pump shaft is arranged on the pump main body in a penetrating way through a bearing device;
the impeller is arranged on the pump shaft and is positioned in a flow channel of the water pump shell main body;
the mechanical sealing device is arranged between the pump shaft and the water pump shell main body and is made of a flexible acid-resistant material;
the impeller and the runner of pump main part all adopts acid-fast material to make, just the runner surface of pump main part and the impeller surface all is provided with acid-fast coating.
In one embodiment, the acid-resistant coating is a zirconia ceramic coating.
In one embodiment, the mechanical seal is made of a polytetrafluoroethylene material.
In one embodiment, the sealing device further comprises an external cooling device, wherein a cooling pipe of the external cooling device is communicated with the mechanical sealing device, and the external cooling device is used for cooling the mechanical sealing device.
In one embodiment, the cooling fluid circulated by the cooling pipe is a gas or a liquid.
In one embodiment, the acid-resistant material includes, but is not limited to, stainless steel, nickel-based alloys.
One or more technical solutions described above in the embodiments of the present invention have at least the following technical effects or advantages:
the energy-saving acid pump provided by the embodiment of the utility model is improved on the structure of the traditional double-suction pump, the pump body, the impeller and other flow passages are processed by adopting flexible acid-resistant sealing materials and matching acid-resistant materials, and the high-performance anti-corrosion and acid-resistant coating is sprayed, so that the corrosion resistance of the water pump is enhanced, the service life of the water pump is prolonged on the premise of keeping the original high-efficiency advantage, and the defects of serious corrosion, short service life and the like of the existing acid water system are overcome.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an energy-saving acid pump provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flow passage of an energy-saving acid pump according to an embodiment of the present invention.
Wherein the respective reference numerals are as follows:
1. a pump body; 2. a pump shaft; 3. an impeller; 4. a mechanical seal device; 5. an external cooling device; 11. and a flow passage.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an embodiment of the present application provides an energy-saving acid pump, which includes a pump main body 1, a pump shaft 2, an impeller 3, and a mechanical sealing device 4. A flow passage 11 is provided in the pump main body 1. The pump shaft 2 is disposed through the pump body 1 by a bearing device. The impeller 3 is arranged on the pump shaft 2, and the impeller 3 is positioned in the flow channel 11 of the water pump shell main body. The mechanical sealing device 4 is arranged between the pump shaft 2 and the water pump shell body, and the mechanical sealing device 4 is made of flexible acid-resistant materials. The impeller 3 and the flow passage 11 of the pump main body 1 are both made of acid-resistant materials, and acid-resistant coatings are arranged on the surface of the flow passage 11 of the pump main body 1 and the surface of the impeller 3.
The product is developed aiming at the problems of poor water quality of a part of acidic water circulation system, short service life of a water pump, low operation efficiency and the like. This product is improved on traditional double entry pump is structural, adopts flexible acid-proof sealing material, and runner 11 such as the pump body and impeller 3 match acid-proof material and process to the anticorrosive acid-proof coating of spraying high performance has strengthened the corrosion resistance of water pump under the prerequisite that keeps former high-efficient advantage, has prolonged the life of water pump, has solved shortcoming such as present acid water system corrodes seriously, life weak point.
In one embodiment, the acid-resistant coating is a zirconia ceramic coating. Specifically, after the molding process of the impeller 3 and the flow channel 11 of the pump body 1 is completed, the zirconia ceramic coating is sprayed on the surfaces of the impeller 3 and the flow channel 11 of the pump body 1 by plasma spraying, thereby enhancing the corrosion resistance of the impeller 3 and the flow channel 11 of the pump body 1.
In one embodiment, the mechanical seal 4 is made of a polytetrafluoroethylene material. The polytetrafluoroethylene is a high molecular compound formed by polymerizing tetrafluoroethylene, and has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-sticking property, electric insulating property and good ageing resistance. Can work for a long time at the temperature of between 250 ℃ below zero and 180 ℃ below zero, can resist all other chemicals except molten metal sodium and liquid fluorine, and does not change when boiled in aqua regia. By adopting the polytetrafluoroethylene material to manufacture the mechanical sealing device 4, the mechanical sealing device 4 has better corrosion resistance while having sealing performance, and the service life of the pump body is prolonged.
In one embodiment, an external cooling device 5 is further included, a cooling pipe of the external cooling device 5 is communicated with the mechanical sealing device 4, and the external cooling device 5 is used for cooling the mechanical sealing device 4. By arranging the external cooling device 5, the temperature of the mechanical sealing device 4 can be reduced, the phenomenon that the mechanical sealing device 4 fails due to overhigh working temperature is avoided, and the mechanical sealing device 4 is protected. In one embodiment, the cooling fluid circulated by the cooling tubes is a gas or a liquid.
In one embodiment, the acid-resistant material includes, but is not limited to, stainless steel, nickel-based alloys. The stainless steel and the nickel-based alloy both have good antirust and corrosion-resistant capabilities, and can greatly prolong the service life of the pump body.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An energy efficient acid pump, comprising:
the pump comprises a pump main body, wherein a flow passage is arranged in the pump main body;
the pump shaft is arranged on the pump main body in a penetrating way through a bearing device;
the impeller is arranged on the pump shaft and is positioned in a flow channel of the water pump shell main body;
the mechanical sealing device is arranged between the pump shaft and the water pump shell main body and is made of a flexible acid-resistant material;
the impeller and the runner of pump main part all adopts acid-fast material to make, just the runner surface of pump main part and the impeller surface all is provided with acid-fast coating.
2. The energy efficient acid pump of claim 1, wherein:
the acid-resistant coating is a zirconia ceramic coating.
3. The energy efficient acid pump of claim 1, wherein:
the mechanical sealing device is made of polytetrafluoroethylene materials.
4. The energy efficient acid pump of claim 1, wherein:
the mechanical sealing device is characterized by further comprising an external cooling device, a cooling pipe of the external cooling device is communicated with the mechanical sealing device, and the external cooling device is used for cooling the mechanical sealing device.
5. The energy efficient acid pump of claim 4, wherein:
the cooling fluid circulating through the cooling pipe is gas or liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824634.7U CN216241336U (en) | 2021-11-18 | 2021-11-18 | Energy-saving acid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122824634.7U CN216241336U (en) | 2021-11-18 | 2021-11-18 | Energy-saving acid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241336U true CN216241336U (en) | 2022-04-08 |
Family
ID=80945231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122824634.7U Active CN216241336U (en) | 2021-11-18 | 2021-11-18 | Energy-saving acid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241336U (en) |
-
2021
- 2021-11-18 CN CN202122824634.7U patent/CN216241336U/en active Active
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