CN212508814U - Roots water ring vacuum pump unit with cooling device - Google Patents
Roots water ring vacuum pump unit with cooling device Download PDFInfo
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- CN212508814U CN212508814U CN202021088489.XU CN202021088489U CN212508814U CN 212508814 U CN212508814 U CN 212508814U CN 202021088489 U CN202021088489 U CN 202021088489U CN 212508814 U CN212508814 U CN 212508814U
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Abstract
The utility model discloses a roots water ring vacuum pump unit with cooling device, including roots vacuum pump, water ring vacuum pump, cooling cylinder, cooler bin, vapour and liquid separator, motor, water ring vacuum pump passes through the coupling joint motor, roots vacuum pump's output passes through the cooling cylinder and connects water ring vacuum pump, water ring vacuum pump's output is through first pipe connection to vapour and liquid separator's entry, vapour and liquid separator's bottom is passed through the second pipeline and is connected with the cooler bin, the bottom of cooler bin is passed through third pipeline and water ring vacuum pump connection, the cooling cylinder includes inner tube and urceolus, the urceolus cup joints at the inner tube outside, be equipped with a plurality of heat transfer layers on the inner tube wall, the cooler bin inner chamber is from last to being equipped with fan, spray line and a plurality of heat transfer board down in proper order, the beneficial effects of the utility model are that: the problem of cavitation phenomenon among the prior art is solved, simultaneously can be with the water cyclic utilization in the water ring vacuum pump, reach energy-concerving and environment-protective purpose.
Description
Technical Field
The utility model belongs to the technical field of the vacuum pump, especially, relate to a roots water ring vacuum pump unit with cooling device.
Background
The economic operation of a steam turbine of a power plant is directly influenced by the quality of the vacuum of a condenser of a condensing steam turbine generator unit. Factors affecting the condenser vacuum are many, and among them, the performance of the vacuum-pumping equipment is reduced as one of the main reasons.
Among the current roots water ring vacuum pump unit, water ring vacuum pump leads to liquid vaporization easily when limit vacuum operation, the cavitation phenomenon appears, and the water in the water ring vacuum pump passes through the direct discharge of gas vent simultaneously, causes the pollution of environment on the one hand, and on the other hand causes the waste of water resource, for this reason we consider water cyclic utilization with water ring vacuum pump exhaust, but water ring vacuum pump exhaust water temperature is higher can't directly use for water ring vacuum pump.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid, the utility model provides a roots water ring vacuum pump unit with cooling device solves the problem of cavitation phenomenon among the prior art, can reach energy-concerving and environment-protective purpose with the water cyclic utilization in the water ring vacuum pump simultaneously.
The utility model discloses a realize through following technical scheme: a Roots water ring vacuum pump unit with a cooling device comprises a Roots vacuum pump, a water ring vacuum pump, a cooling cylinder, a cooling box, a gas-liquid separator and a motor, wherein the water ring vacuum pump is connected with the motor through a coupler, the output end of the Roots vacuum pump is connected with the water ring vacuum pump through the cooling cylinder, the output end of the water ring vacuum pump is connected to the inlet of the gas-liquid separator through a first pipeline, the top of the gas-liquid separator is provided with an exhaust port, the bottom of the gas-liquid separator is connected with the cooling box through a second pipeline, the bottom of the cooling box is connected with the water ring vacuum pump through a third pipeline, the cooling cylinder comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved outside the inner cylinder, the inner cylinder wall is provided with a plurality of heat exchange layers, each heat exchange layer at least comprises 2 heat exchange tubes, one end of each heat exchange tube, the cooling box inner chamber is from last to being equipped with fan, spray piping and a plurality of heat transfer board down in proper order, the fan sets up at cooling box inner chamber top, the heat transfer board is connected and intercrossing distributes on cooling box inner wall both sides, and every heat transfer board is 30 inclination angle settings with the cooling box inner wall, second pipeline and spray piping intercommunication.
As an optimized technical scheme of the utility model, be equipped with the inlet channel on the water ring vacuum pump.
As an optimal technical scheme of the utility model, the top of a cooling cylinder is equipped with the cooling water inlet channel, the bottom of a cooling cylinder is equipped with cooling water outlet conduit.
As an optimized technical scheme of the utility model, every heat transfer layer comprises 4 heat exchange tubes, and even distribution is on the wall of inner tube.
As an optimized technical solution of the present invention, the number of the heat exchange plates is at least 2.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the gas exhausted by the Roots vacuum pump is subjected to heat exchange and temperature reduction through the cooling cylinder and then is used as the inlet gas of the water ring vacuum pump, so that the inlet gas pressure of the water ring vacuum pump can be reduced, and the problem of cavitation is solved;
(2) a water circulation system is formed by the water ring vacuum pump, the gas-liquid separator and the cooling tank, so that the aim of recycling water discharged by the water ring vacuum pump is fulfilled, the discharge of industrial sewage is avoided, and the aims of energy conservation and emission reduction are fulfilled;
(3) through setting up the heat transfer board, on the one hand can increase the area of contact between water and the heat transfer board, and on the other hand can prolong the time that water stops in the cooler bin, improves heat exchange efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
List of reference numerals: 1. a Roots vacuum pump; 2. a water ring vacuum pump; 3. a cooling cylinder; 4. a cooling tank; 5. a gas-liquid separator; 6. a first conduit; 7. an exhaust port; 8. a second conduit; 9. a third pipeline; 10. an inner barrel; 11. an outer cylinder; 12. a heat exchange pipe; 13. a fan; 14. a spray pipe; 15. a heat exchange plate; 16. a water inlet pipe; 17. a cooling water inlet pipe; 18. a cooling water outlet pipeline.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, a roots water ring vacuum pump set with a cooling device comprises a roots vacuum pump 1, a water ring vacuum pump 2, a cooling cylinder 3, a cooling box 4, a gas-liquid separator 5 and a motor, wherein the water ring vacuum pump 2 is connected with the motor through a coupler, the output end of the roots vacuum pump 1 is connected with the water ring vacuum pump 2 through the cooling cylinder 3, the output end of the water ring vacuum pump 2 is connected with the inlet of the gas-liquid separator 5 through a first pipeline 6, the top of the gas-liquid separator 5 is provided with an exhaust port 7, the bottom of the gas-liquid separator 5 is connected with the cooling box 4 through a second pipeline 8, the bottom of the cooling box 4 is connected with the water ring vacuum pump 2 through a third pipeline 9, the cooling cylinder 3 comprises an inner cylinder 10 and an outer cylinder 11, the outer cylinder 11 is sleeved outside the inner cylinder 10, the wall of the inner cylinder 10 is provided with a plurality of heat exchange, the one end setting of heat exchange tube 12 is inside inner tube 10, and the other end setting is in the intermediate layer between inner tube 10 and urceolus 11, 4 inner chambers of cooler bin are from last to being equipped with fan 13, spray piping 14 and a plurality of heat transfer board 15 down in proper order, fan 13 sets up at 4 inner chamber tops of cooler bin, heat transfer board 15 is connected on 4 inner wall both sides of cooler bin and intercrossing distributes, and every heat transfer board 15 is 30 angle of inclination settings with 4 inner walls of cooler bin, second pipeline 8 and spray piping 14 intercommunication.
As an embodiment of the present invention, the water ring vacuum pump 2 is provided with a water inlet pipe 16.
As an embodiment of the utility model, the top of cooling cylinder 3 is equipped with cooling water inlet channel 17, the bottom of cooling cylinder 3 is equipped with cooling water outlet pipe 18, and the cooling water gets into the intermediate layer between inner tube and the urceolus through cooling water inlet channel 17, carries out heat exchange with heat exchange tube 12 and is discharged by cooling water outlet pipe 18, takes away the heat on the heat exchange tube 12, reaches the effect to the cooling of roots vacuum pump 1 combustion gas.
As an embodiment of the present invention, each heat exchange layer is composed of 4 heat exchange tubes 12, and is uniformly distributed on the wall of the inner tube 10.
As an embodiment of the present invention, the number of the heat exchange plates 15 is at least 2.
The utility model discloses the theory of operation: the gas exhausted by the roots vacuum pump 1 is subjected to heat exchange and temperature reduction through the cooling cylinder 3 and then is used as inlet gas of the water ring vacuum pump 2, the inlet air pressure of the water ring vacuum pump 2 can be reduced, the problem of cavitation is solved, the water after the water ring vacuum pump 2 works enters the gas-liquid separator 5 through the first pipeline 6, the separated gas is exhausted through the exhaust port 7, the water enters the cooling box 4 through the second pipeline 8, free falling is carried out on the cooling box 4 through the spraying pipeline 14, in the process of falling to the ground, a part of heat is dissipated by contacting with the heat exchange plate 15, the other part of heat is exhausted through the fan 13, the finally cooled water is sucked back to the pump cavity for reuse through the third pipeline 9 by the water ring vacuum pump 2 and then enters the gas-liquid separator 5 after use, and the circulation is repeated, and the water recycling is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a roots water ring vacuum pump unit with cooling device which characterized in that: the heat exchange tube comprises a Roots vacuum pump, a water ring vacuum pump, a cooling cylinder, a cooling box, a gas-liquid separator and a motor, wherein the water ring vacuum pump is connected with the motor through a coupler, the output end of the Roots vacuum pump is connected with the water ring vacuum pump through the cooling cylinder, the output end of the water ring vacuum pump is connected to the inlet of the gas-liquid separator through a first pipeline, the top of the gas-liquid separator is provided with an exhaust port, the bottom of the gas-liquid separator is connected with the cooling box through a second pipeline, the bottom of the cooling box is connected with the water ring vacuum pump through a third pipeline, the cooling cylinder comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved outside the inner cylinder, the inner cylinder wall is provided with a plurality of heat exchange layers, each heat exchange layer at least comprises 2 heat exchange tubes, one end of each heat exchange tube is arranged inside the inner cylinder, Spray pipe and a plurality of heat transfer board, the fan sets up at the cooling box inner chamber top, the heat transfer board is connected on the cooling box inner wall both sides and intercrossing distributes, and every heat transfer board is 30 inclination angle settings with the cooling box inner wall, the second pipeline communicates with spray pipe.
2. The roots water ring vacuum pump unit with cooling device as claimed in claim 1, wherein: and a water inlet pipeline is arranged on the water ring vacuum pump.
3. The roots water ring vacuum pump unit with cooling device as claimed in claim 1, wherein: the top of the cooling cylinder is provided with a cooling water inlet pipeline, and the bottom of the cooling cylinder is provided with a cooling water outlet pipeline.
4. The roots water ring vacuum pump unit with cooling device as claimed in claim 1, wherein: each heat exchange layer consists of 4 heat exchange tubes and is uniformly distributed on the wall of the inner barrel.
5. The roots water ring vacuum pump unit with cooling device as claimed in claim 1, wherein: the number of the heat exchange plates is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021088489.XU CN212508814U (en) | 2020-06-14 | 2020-06-14 | Roots water ring vacuum pump unit with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021088489.XU CN212508814U (en) | 2020-06-14 | 2020-06-14 | Roots water ring vacuum pump unit with cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212508814U true CN212508814U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021088489.XU Active CN212508814U (en) | 2020-06-14 | 2020-06-14 | Roots water ring vacuum pump unit with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212508814U (en) |
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2020
- 2020-06-14 CN CN202021088489.XU patent/CN212508814U/en active Active
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