CN212109606U - Condensing efficient Roots vacuum system - Google Patents
Condensing efficient Roots vacuum system Download PDFInfo
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- CN212109606U CN212109606U CN201922261468.7U CN201922261468U CN212109606U CN 212109606 U CN212109606 U CN 212109606U CN 201922261468 U CN201922261468 U CN 201922261468U CN 212109606 U CN212109606 U CN 212109606U
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Abstract
The utility model relates to a high-efficient roots vacuum system of condensing vapour formula includes condenser (1), and the import of condenser (1) communicates to the main pipe on through the isolating valve, and the export of condenser (1) communicates to the air inlet of air-cooled roots vacuum pump (2) through gas accuse valve, the gas outlet of air-cooled roots vacuum pump (2) communicates to the upper portion air inlet of deareator (5) through interstage heat exchanger (3) and water ring vacuum pump (4), and has concatenated the check valve on the pipeline between interstage heat exchanger (3) and water ring vacuum pump (4), and it has the broken empty valve to peg graft on the pipeline between interstage heat exchanger (3) and water ring vacuum pump (4), and the working solution inlet of above-mentioned water ring vacuum pump (4) is linked together through the lower part liquid outlet of working solution cooler (6) and deareator (5). The utility model relates to a high-efficient roots vacuum system of condensing vapour formula, it can effectually separate the vapor in the pipeline.
Description
Technical Field
The utility model relates to a high-efficient roots vacuum system of condensing vapour formula.
Background
At present, in systems such as power generation of a thermal power plant and the like, high-temperature steam discharged after power generation of a turbine unit is condensed only by a condenser; in practical use, the structure not only has high energy consumption, but also has poor condensation effect, thereby causing higher back pressure in the pipeline and hindering the improvement of the power generation efficiency, and therefore a brand new vacuum condensation system is urgently needed to solve the problems.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide a high-efficient roots vacuum system of condensing steam formula, it can effectually separate the vapor in the pipeline.
The purpose of the utility model is realized like this:
a condensing efficient Roots vacuum system comprises a condenser, wherein an inlet of the condenser is communicated to a main pipeline through an isolation valve, an outlet of the condenser is communicated to an air inlet of an air-cooled Roots vacuum pump through an air control valve, an air outlet of the air-cooled Roots vacuum pump is communicated to an upper air inlet of a gas-water separator through an interstage heat exchanger and a water ring vacuum pump, a check valve is connected in series to a pipeline between the interstage heat exchanger and the water ring vacuum pump, a breaking valve is inserted into the pipeline between the interstage heat exchanger and the water ring vacuum pump in a plugging mode, and a working liquid inlet of the water ring vacuum pump is communicated with a lower liquid outlet of the gas-water separator through a working liquid cooler.
The utility model relates to a high-efficient roots vacuum system of condensing vapour formula, the coolant liquid outlet of interstage heat exchanger communicates to the inlet of working solution cooler through the pipeline.
The utility model relates to a condensing high-efficiency Roots vacuum system, wherein a condenser, an air-cooled Roots vacuum pump, an interstage heat exchanger, a water ring vacuum pump, a gas-water separator and a working fluid cooler are all arranged in an outer shell, and the outer shell is provided with a first cooling fluid inlet, a second cooling fluid inlet, a first cooling fluid outlet, a second cooling fluid outlet, a drain outlet, a water replenishing port and an air inlet; the air inlet is communicated with an inlet of the condenser through an isolation valve, and the first cooling liquid inlet and the first cooling liquid outlet are respectively communicated with a cooling liquid inlet end and a cooling liquid outlet end of the condenser through pipelines; the second cooling liquid inlet is communicated with the second cooling liquid inlet of the interstage heat exchanger through a pipeline, the second cooling liquid outlet is communicated with the liquid outlet of the working liquid cooler through a pipeline, the water replenishing port is communicated with the water replenishing port of the gas-water separator through a water replenishing valve, and the drain outlet at the bottom of the gas-water separator is communicated with the drain outlet through a pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a condenser + air-cooled roots vacuum pump is the main pump + uses the water ring pump as the tandem mode of backing pump to guarantee to carry out supercooling condensation to mixing water vapor from the condenser gas vent to the vacuum pump entry and separate 90% steam, higher vacuum state in the ratio condenser naturally forms the pipeline, make before the vacuum pump guarantee with the condenser that higher pressure differential overcomes the resistance, improve the mobility of saturated humid air, discharge fast in the condenser, reduce the space that occupies, improve condenser heat transfer ability, promote the space that improves the vacuum, reduce the end difference. The mixed gas which is condensed and supercooled and occupies a small amount of water vapor enters the inlet of the vacuum machine to be compressed for multiple times, and then the mixed gas is condensed and separated from the water vapor and discharged, so that the unit not only can greatly improve the ultimate vacuum degree of the pump set, improve the suction efficiency of the pump set and reduce the power consumption, but also can improve the efficiency of the high-efficiency vacuum pump set to about 90% from 30% of the original water ring vacuum pump and reduce the running current by about 60-70%. And the backpressure can be reduced by not less than 500pa under the same operation condition of the steam turbine and the cold end, and the method is the most cost-effective choice compared with other vacuum pump transformation projects.
Drawings
Fig. 1 is a block diagram of the condensing efficient roots vacuum system of the present invention.
Wherein:
the system comprises a condenser 1, an air-cooled Roots vacuum pump 2, an interstage heat exchanger 3, a water ring vacuum pump 4, a gas-water separator 5 and a working liquid cooler 6;
a first cooling liquid inlet 101, a second cooling liquid inlet 102, a first cooling liquid outlet 103, a second cooling liquid outlet 104, a sewage draining outlet 105 and a water replenishing opening 106.
Detailed Description
Referring to fig. 1, the utility model relates to a condensing high-efficient roots vacuum system, include condenser 1, the import of condenser 1 communicates to the main pipeline through the isolating valve, and the export of condenser 1 communicates to the air inlet of air-cooled roots vacuum pump 2 through the gas accuse valve, the gas outlet of air-cooled roots vacuum pump 2 communicates to the upper portion air inlet of gas-water separator 5 through interstage heat exchanger 3 and water ring vacuum pump 4, and concatenates the check valve on the pipeline between interstage heat exchanger 3 and water ring vacuum pump 4, and it has the rupture valve to peg graft on the pipeline between interstage heat exchanger 3 and water ring vacuum pump 4, and the working solution inlet of above-mentioned water ring vacuum pump 4 is linked together through working solution cooler 6 and gas-water separator 5's lower part liquid outlet;
further, a cooling liquid outlet of the interstage heat exchanger 3 is communicated to a liquid inlet of the working liquid cooler 6 through a pipeline;
further, the condenser 1, the air-cooled roots vacuum pump 2, the interstage heat exchanger 3, the water ring vacuum pump 4, the gas-water separator 5 and the working fluid cooler 6 are all arranged in an outer shell, and a cooling fluid inlet I101, a cooling fluid inlet II 102, a cooling fluid drain outlet I103, a cooling fluid drain outlet II 104, a drain outlet 105, a water replenishing port 106 and an air inlet are arranged on the outer shell; the air inlet is communicated with an inlet of the condenser 1 through an isolation valve, and the first cooling liquid inlet 101 and the first cooling liquid outlet 103 are respectively communicated with a cooling liquid inlet end and a cooling liquid outlet end of the condenser 1 through pipelines; a second cooling liquid inlet 102 is communicated with a second cooling liquid inlet of the interstage heat exchanger 3 through a pipeline, a second cooling liquid outlet 104 is communicated with a liquid outlet of the working liquid cooler 6 through a pipeline, a water replenishing port 106 is communicated with a water replenishing port of the gas-water separator 5 through a water replenishing valve, and a drain outlet at the bottom of the gas-water separator 5 is communicated with a drain outlet 105 through a pipeline;
in addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (3)
1. The utility model provides a high-efficient roots vacuum system of condensing steam formula which characterized in that: the condenser comprises a condenser (1), wherein an inlet of the condenser (1) is communicated to a main pipeline through an isolation valve, an outlet of the condenser (1) is communicated to an air inlet of an air-cooled Roots vacuum pump (2) through an air control valve, an air outlet of the air-cooled Roots vacuum pump (2) is communicated to an upper air inlet of a gas-water separator (5) through an interstage heat exchanger (3) and a water ring vacuum pump (4), a check valve is connected in series on the pipeline between the interstage heat exchanger (3) and the water ring vacuum pump (4), a breaking valve is inserted in the pipeline between the interstage heat exchanger (3) and the water ring vacuum pump (4), and a working liquid inlet of the water ring vacuum pump (4) is communicated with a lower liquid outlet of the gas-water separator (5) through a working liquid cooler (6).
2. The condensing efficient roots vacuum system as claimed in claim 1, wherein: and a cooling liquid outlet of the interstage heat exchanger (3) is communicated to a liquid inlet of the working liquid cooler (6) through a pipeline.
3. The condensing efficient roots vacuum system as claimed in claim 2, wherein: the condenser (1), the air-cooled Roots vacuum pump (2), the interstage heat exchanger (3), the water ring vacuum pump (4), the gas-water separator (5) and the working fluid cooler (6) are all arranged in the outer shell, and a first cooling fluid inlet (101), a second cooling fluid inlet (102), a first cooling fluid outlet (103), a second cooling fluid outlet (104), a drain outlet (105), a water replenishing port (106) and an air inlet are formed in the outer shell; the air inlet is communicated with an inlet of the condenser (1) through an isolation valve, and a first cooling liquid inlet (101) and a first cooling liquid outlet (103) are respectively communicated with a cooling liquid inlet end and a cooling liquid outlet end of the condenser (1) through pipelines; a second cooling liquid inlet (102) is communicated with a second cooling liquid inlet of the interstage heat exchanger (3) through a pipeline, a second cooling liquid outlet (104) is communicated with a liquid outlet of the working liquid cooler (6) through a pipeline, a water replenishing port (106) is communicated with a water replenishing port of the gas-water separator (5) through a water replenishing valve, and a drain outlet at the bottom of the gas-water separator (5) is communicated with a drain outlet (105) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261468.7U CN212109606U (en) | 2019-12-16 | 2019-12-16 | Condensing efficient Roots vacuum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922261468.7U CN212109606U (en) | 2019-12-16 | 2019-12-16 | Condensing efficient Roots vacuum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212109606U true CN212109606U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922261468.7U Active CN212109606U (en) | 2019-12-16 | 2019-12-16 | Condensing efficient Roots vacuum system |
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| Country | Link |
|---|---|
| CN (1) | CN212109606U (en) |
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2019
- 2019-12-16 CN CN201922261468.7U patent/CN212109606U/en active Active
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