CN202149004U - Cooling device of water-ring vacuum pump - Google Patents
Cooling device of water-ring vacuum pump Download PDFInfo
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- CN202149004U CN202149004U CN201120223960U CN201120223960U CN202149004U CN 202149004 U CN202149004 U CN 202149004U CN 201120223960 U CN201120223960 U CN 201120223960U CN 201120223960 U CN201120223960 U CN 201120223960U CN 202149004 U CN202149004 U CN 202149004U
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- vacuum pump
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- water tank
- cooling device
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Abstract
Provided is a cooling device of a water-ring vacuum pump. The cooling device of the water-ring vacuum pump is provided with a middle water tank, an internal cooling cylinder is disposed inside the middle water tank, an external cooling cylinder is wrapped outside the middle water tank, an air vent and a vacuum pump working solution return port are arranged at the top of the middle water tank, a vacuum pump working solution supply port is disposed at the bottom of the middle water tank, and the internal cooling cylinder and the external cooling cylinder are respectively communicated with a water supplement tube and an exhaust tube. The cooling device of the water-ring vacuum pump is designed by adopting the principle that water is evaporated fast on the condition of negative pressure so that cooling is achieved, ingeniously achieves two functions of air-water separation and cooling for the working solution of the water-ring vacuum pump, removes a plate heat exchanger and an air-water separator which are adopted in background technology, simplifies structure, and is light in weight and low in production and utilization cost, thereby not only improving effect of cooling for the working solution of the water-ring vacuum pump and ensuring long-time stable operation of the water-ring vacuum pump, but also saving a great deal of tap water.
Description
Technical field
The utility model relates to and belongs to the mechanical vacuum apparatus technical field, especially relates to a kind of Nash hytor cooling device.
Background technique
For the needs of working procedure, be respectively equipped with plate type heat exchanger and moisture trap in the existing water ring vaccum pump unit, plate type heat exchanger needs to consume a large amount of water in to the working solution temperature-fall period of vacuum pump; And cooling-down effect is poor, and the requirement that working solution should keep stablizing low temperature when being difficult to satisfy the water ring vaccum pump operation remains on 20～25 ℃; Low more good more, but be difficult to reach in the practice, in the long-play; The working solution temperature all is increased to 50 ℃, causes the pumping efficiency of vacuum pump very poor, if temperature is high again; Vacuum pump has just lost the function that process system is bled basically; Directly affect the service behaviour of vacuum pump, and moisture trap can only separate G&W, do not have cooling effect.
The model utility content
The purpose of the utility model is to provide a kind of cooling device of Nash hytor, possesses air-water separation and to two kinds of functions of Nash hytor working solution cooling, and simple and reasonable, in light weight, and manufacturing cost and use cost is low.
The technological scheme of the utility model is:
A kind of water ring vaccum pump cooling device; One intermediate water tank is set; The intermediate water tank set inside has interior cooling cylinder, and intermediate water tank is surrounded by the condensed exterior case outward, and the top of intermediate water tank is provided with relief opening and vacuum pump working solution return port; The bottom is provided with vacuum pump working solution supply port, and interior cooling cylinder and condensed exterior case are communicated with water-adding pipe and exhaust tube respectively.
The working principle of the utility model:
Inject a spot of water at interior cooling cylinder, condensed exterior case, during vacuum pump work, in suction process system medium; Inside and outside two cooling cylinder inner chambers are aspirated simultaneously, all are negative pressure state, and water constantly is evaporated to gas and is taken away under negative pressure state; Inside and outside cooling cylinder temperature reduces rapidly, absorbs the heat of working solution in the intermediate water tank, and its temperature is reduced; Test confirms; Can make the temperature of working solution continue to remain on 20～25 ℃, satisfy the requirement of Nash hytor well, guarantee the proper functioning of vacuum pump the working solution temperature.
Intermediate water tank and inside and outside cooling cylinder can directly be weldingly fixed on together.
The utility model is designed to interior cooling cylinder and condensed exterior case to be communicated with by connecting tube; Pass the condensed exterior case connecting tube, cooling cylinder in inner connection of connecting tube, the outer end is communicated with water-adding pipe; Connecting tube in the condensed exterior case is provided with through hole, can make inside and outside cooling cylinder accomplish fluid infusion simultaneously and bleed.
Exhaust tube can directly be connected the condensed exterior box top.
Establish spraying head at the intermediate water tank inner top, spraying head is connected on the vacuum pump working solution return port; Can make working solution become spurting to get into intermediate water tank, realize spraying cooling, improve cooling-down effect, spraying head can be a plurality of side by side, as 3-5.
Between intermediate water tank and interior cooling cylinder, establish radiating fin; Increased heat diffusion area, also improved the cooling-down effect to working solution, radiating fin can be welded between interior cooling cylinder and the intermediate water tank.
Connect jet pump on the exhaust tube, improved degree of vacuum.
On interior cooling cylinder, establish little suction port; Can make and constantly replenish little air in the inside and outside cooling cylinder, to keep gas constantly by the equilibrium process of suction, the continuous evaporative cooling of water.
On the working solution return port, connect working solution fluid infusion mouth, the convenient working solution that evaporates that in time replenishes.
On the inside and outside cooling cylinder that is interconnected, establish fluviograph, the convenient water level situation of observing is beneficial to timely control, preferably also establishes fluviograph on the intermediate water tank.
A kind of water ring vaccum pump cooling device of the utility model; Utilize the principle of water flash evaporation cooling under negative pressure state and design, realized air-water separation dexterously and, cancelled used plate type heat exchanger and the moisture trap of background technique two kinds of functions of water ring vaccum pump working solution cooling; Simplify the structure; In light weight, manufacturing cost and use cost is low, has not only improved the cooling-down effect to the Nash hytor working solution; Guarantee the Nash hytor long-time steady operation, also practiced thrift a large amount of tap water.
Description of drawings
Fig. 1 is a kind of Nash hytor cooling device of the utility model structural representation.
Fig. 2 is the left side structural representation of Fig. 1.
Among the figure: 1, working solution fluid infusion mouth, 2, vacuum pump working solution return port, 3, spraying head, 4, interior cooling cylinder; 5, intermediate water tank, 6, relief opening, 7, jet pump, 8, bleeding point; 9, connecting tube, 10, through hole, 11, the moisturizing control valve, 12, the condensed exterior case; 13, radiating fin, 14, fluviograph, 15, vacuum pump working solution supply port, 16, little suction port.
Embodiment
A kind of Nash hytor cooling device of the utility model, embodiment is:
As shown in the figure, a kind of Nash hytor cooling device of the utility model is provided with an intermediate water tank 5; Intermediate water tank 5 set inside have interior cooling cylinder 4, the intermediate water tank 5 outer condensed exterior casees 12 that are surrounded by, and the top of intermediate water tank 5 is provided with relief opening 6 and vacuum pump working solution return port 2; The bottom is provided with pump T and makes liquid supply port 15, and intermediate water tank 5 inner tops are provided with spraying head 3, can be several side by side; Spraying head 3 is connected on the vacuum pump working solution return port 2, connects working solution fluid infusion mouth 1 on the vacuum pump working solution return port 2, is provided with radiating fin 13 between intermediate water tank 5 and the interior cooling cylinder 4; Interior cooling cylinder 4 is communicated with water-adding pipe and exhaust tube 8 respectively with condensed exterior case 12; Exhaust tube 8 is connected condensed exterior case 12 tops, and is connected with jet pump 7, connects the 11 convenient controls of moisturizing control valve on the water-adding pipe; Interior cooling cylinder 4 is communicated with by connecting tube 9 with condensed exterior case 12, and connecting tube 9 is passed condensed exterior case 12.Cooling cylinder 4 in 9 inner connections of connecting tube; The outer end is communicated with water-adding pipe; Connecting tube 9 can be two bodies with water-adding pipe, also can directly be designed to one and become as a whole siphunculus, and the connecting tube 9 in the condensed exterior case 12 is provided with through hole 10; Interior cooling cylinder 4 is provided with little suction port 16, and the interior cooling cylinder 4 and the condensed exterior case 12 that are interconnected are provided with fluviograph 14.
During use, the working solution that vacuum pump working solution return port 2 is connected vacuum pump exports, and with the working solution import of vacuum pump working solution supply port 15 connection vacuum pumps, jet pump 7 is connected the suction port of vacuum pumps.
Working procedure:
Behind the open vacuum pump, bleed through bleeding point 8, interior cooling cylinder 4, condensed exterior case 12 are also aspirated, and all are negative pressure state.Gas medium that vacuum pump is discharged and working solution get into intermediate water tank 5 through vacuum pump working solution return port 12, and gas medium enters atmosphere or is transported to next work system through relief opening 6, and working solution is then implemented cooling from three aspects successively;
(1), working solution gets into intermediate water tank 5 through 3 one-tenth dispersion shapes of spraying head, obtains cooling;
(2) water that are injected in interior cooling cylinder 4, the condensed exterior case 12 evaporate rapidly under negative pressure, make inside and outside cooling cylinder cooling, thereby make the working solution that gets into intermediate water tank 5 obtain inside and outside dual cooling.The effect of little suction port 16 is to make constantly to replenish little air in the inside and outside cooling cylinder 4,12, to keep gas constantly by the process of suction, the continuous evaporative cooling of water;
(3) radiating fin 13 that is welded between interior cooling cylinder 4 and the intermediate water tank 5 has increased heat diffusion area, has also played the effect of cooling; Whole temperature-fall period can make the working solution temperature of vacuum pump remain on 20～25 ℃, has guaranteed the normal operation of vacuum pump.
The utility model has been cancelled plate type heat exchanger and moisture trap, simplifies the structure, and has realized air-water separation dexterously and to two kinds of functions of water ring vaccum pump working solution cooling.
Claims (9)
1. Nash hytor cooling device; One intermediate water tank is set; The intermediate water tank set inside has interior cooling cylinder, and intermediate water tank is surrounded by the condensed exterior case outward, and the top of intermediate water tank is provided with relief opening and vacuum pump working solution return port; The bottom is provided with vacuum pump working solution supply port, and interior cooling cylinder and condensed exterior case are communicated with water-adding pipe and exhaust tube respectively.
2. a kind of Nash hytor cooling device according to claim 1; It is characterized in that: interior cooling cylinder and condensed exterior case are designed to be communicated with by connecting tube; Pass the condensed exterior case connecting tube; Cooling cylinder in inner connection of connecting tube, the outer end is communicated with water-adding pipe, and the connecting tube in the condensed exterior case is provided with through hole.
3. a kind of Nash hytor cooling device according to claim 2 is characterized in that: exhaust tube can directly be connected the condensed exterior box top.
4. a kind of Nash hytor cooling device according to claim 1 and 2 is characterized in that: establish spraying head at the intermediate water tank inner top, spraying head is connected on the vacuum pump working solution return port.
5. a kind of Nash hytor cooling device according to claim 4 is characterized in that: between intermediate water tank and interior cooling cylinder, establish radiating fin.
6. a kind of Nash hytor cooling device according to claim 5 is characterized in that: connect jet pump on the exhaust tube, improved degree of vacuum.
7. a kind of Nash hytor cooling device according to claim 6 is characterized in that: on interior cooling cylinder, establish little suction port.
8. a kind of Nash hytor cooling device according to claim 7 is characterized in that: on the working solution return port, connect working solution fluid infusion mouth, the convenient working solution that evaporates that in time replenishes.
9. a kind of Nash hytor cooling device according to claim 8 is characterized in that: on the inside and outside cooling cylinder that is interconnected, establish fluviograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223960U CN202149004U (en) | 2011-06-29 | 2011-06-29 | Cooling device of water-ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223960U CN202149004U (en) | 2011-06-29 | 2011-06-29 | Cooling device of water-ring vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149004U true CN202149004U (en) | 2012-02-22 |
Family
ID=45590065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120223960U Expired - Fee Related CN202149004U (en) | 2011-06-29 | 2011-06-29 | Cooling device of water-ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852870A (en) * | 2020-05-06 | 2020-10-30 | 中国电力工程顾问集团中南电力设计院有限公司 | Coal-fired power plant vacuum pump multistage cooling water system and cooling method |
-
2011
- 2011-06-29 CN CN201120223960U patent/CN202149004U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852870A (en) * | 2020-05-06 | 2020-10-30 | 中国电力工程顾问集团中南电力设计院有限公司 | Coal-fired power plant vacuum pump multistage cooling water system and cooling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20120629 |