CN217005412U - Efficient and energy-saving thermal power air cooling unit - Google Patents
Efficient and energy-saving thermal power air cooling unit Download PDFInfo
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- CN217005412U CN217005412U CN202220452383.6U CN202220452383U CN217005412U CN 217005412 U CN217005412 U CN 217005412U CN 202220452383 U CN202220452383 U CN 202220452383U CN 217005412 U CN217005412 U CN 217005412U
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Abstract
The utility model relates to the technical field of thermal power air cooling, in particular to an efficient and energy-saving thermal power air cooling unit which comprises two air cooling islands, wherein each air cooling island is respectively communicated with a vacuumizing device through an air exhaust main pipe, the vacuumizing device is communicated with a separation device through an air outlet pipe, the two air exhaust main pipes are communicated through a connecting pipe, and a control valve is arranged on the connecting pipe. According to the technical scheme, the air exhaust main pipes of the two air cooling islands are communicated through the connecting pipes, and the connecting pipes are opened and closed through the control valves, so that the vacuumizing equipment of one air cooling island can vacuumize the two air cooling islands at the same time and keep the two air cooling islands vacuum, thereby saving station power, solving the problem of high power consumption in the operation of the conventional thermal power air cooling unit, reducing the operation cost of the thermal power air cooling unit, improving the economy of the thermal power air cooling unit and achieving the purposes of high efficiency and energy conservation.
Description
Technical Field
The utility model relates to the technical field of thermal power air cooling, in particular to an efficient and energy-saving thermal power air cooling unit.
Background
Thermal power generation is generally a general term for a mode of heating water by using heat energy generated when combustible materials are combusted so that the water is changed into high-temperature and high-pressure steam, and then a generator is driven by the steam to generate electricity, and the thermal power generation is divided into pure power supply and heat supply according to the function of the thermal power generation; the power generation is divided into a steam turbine power generation, a gas turbine power generation and a diesel engine power generation according to a prime mover; according to the fuel used, the fuel mainly comprises coal-fired power generation, oil-fired power generation and gas power generation, and thermal power generation is used as the main power generation mode in China and occupies most markets of electric power.
The thermal power generation greatly increases the industrial water consumption, which leads to the condition of insufficient water supply in the vast northern 'coal-rich and water-deficient' areas, the application and the development of the air cooling technology open up an economic, safe and reliable way for the thermal power plant in arid areas, and the thermal power air cooling unit condenses the exhaust steam after acting in the low-pressure cylinder of the steam turbine into condensed water by adopting air as the cold end of the steam turbine of the thermal power plant, thereby completing one acting cycle and entering the next acting cycle, and greatly reducing the consumption of water resources.
In order to ensure that the thermal power air cooling unit can normally operate, each air cooling device is provided with a high-power vacuum pump, the starting time is shortened for accelerating the starting of the air cooling device, one air cooling device is often provided with a plurality of vacuum pumps, however, when the vacuum system of the thermal power air cooling unit is intact and leakage does not exist, the vacuum requirement of the air cooling device can be met by one vacuum pump, the operation power consumption of the thermal power air cooling unit can be increased by the simultaneous operation of the plurality of vacuum pumps, the power consumption is high, and therefore the operation cost of the thermal power air cooling unit is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient and energy-saving thermal power air cooling unit which is simple in system and high in safety, solves the problem of high power consumption in operation of the existing thermal power air cooling unit, can save station power, reduce the operation cost of the thermal power air cooling unit, improve the economy of the thermal power air cooling unit and achieve the purposes of high efficiency and energy saving.
The utility model provides an efficient and energy-saving thermal power air cooling unit which comprises two air cooling islands, wherein each air cooling island is respectively communicated with a vacuumizing device through an air exhaust main pipe, the vacuumizing device is communicated with a separation device through an air outlet pipe, the two air exhaust main pipes are communicated through a connecting pipe, and a control valve is arranged on the connecting pipe.
Further, the control valve comprises an electric valve, and the electric valve is connected with the control device.
Further, the control device is a PLC controller.
Further, the control valve also comprises a manual valve.
Furthermore, the vacuum pumping equipment comprises a plurality of vacuum pumps, each vacuum pump is respectively communicated with the air pumping main pipe through an air pumping branch pipe, and each vacuum pump is respectively communicated with the separation equipment through the air outlet pipe.
Furthermore, the vacuum pumps are three.
Furthermore, the separation equipment comprises a gas-water separator, and each vacuum pump is communicated with the gas-water separator through the gas outlet pipe.
Furthermore, the number of the gas-water separators is three, and each vacuum pump is respectively communicated with one gas-water separator.
Further, the main exhaust pipe, the branch exhaust pipes, the air outlet pipe and the connecting pipe are seamless pipes.
Furthermore, the seamless tube is made of carbon steel, alloy steel or stainless steel.
The utility model has the beneficial effects that:
according to the technical scheme, the air exhaust main pipes of the two air cooling islands are communicated through the connecting pipes, and the connecting pipes are opened and closed through the control valves, so that the vacuumizing equipment of one air cooling island can vacuumize the two air cooling islands at the same time and keep the two air cooling islands vacuum, thereby saving station power, solving the problem of high power consumption in the operation of the conventional thermal power air cooling unit, reducing the operation cost of the thermal power air cooling unit, improving the economy of the thermal power air cooling unit and achieving the purposes of high efficiency and energy conservation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an efficient and energy-saving thermal power air-cooling unit in embodiment 1 of the present invention.
Description of reference numerals:
1-air cooling island, 2-air extraction main pipe, 3-connecting pipe, 4-electric valve, 5-PLC controller, 6-manual valve, 7-vacuum pump, 8-air extraction branch pipe, 9-gas-water separator and 10-air outlet pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figure 1, the high-efficiency energy-saving thermal power air cooling unit comprises two air cooling islands 1, wherein each air cooling island 1 is communicated with vacuumizing equipment through an air suction main pipe 2, the vacuumizing equipment comprises three vacuum pumps 7, each vacuum pump 7 is communicated with the air suction main pipe 2 through an air suction branch pipe 8, and each vacuum pump 7 is communicated with a gas-water separator 9 through an air outlet pipe 10. Non-condensable gas in the air cooling island 1 is pumped out through the vacuum pump 7, the non-condensable gas is sent into the gas-water separator 9 to be separated, separated liquid is reused, and separated gas is discharged, so that the influence of the non-condensable gas on the normal operation of the thermal power air cooling unit is avoided.
The air exhaust main pipes 2 of the two air cooling islands 1 are communicated through a connecting pipe 3, an electric valve 4 and a manual valve 6 are arranged on the connecting pipe 3, and the electric valve 4 is connected with a PLC (programmable logic controller) 5. The vacuum pump 7 is generally adopted to vacuumize one air cooling island 1 when the existing thermal power air-cooling unit operates, however, the vacuum system of the thermal power air-cooling unit is huge, the configuration of the vacuum pump 7 is high, when the vacuum system is intact and has no leakage, one vacuum pump 7 can meet the vacuum requirement of the air cooling island 1, the utility model adopts the connecting pipe 3 added between the air exhaust main pipes 2 of the two air cooling islands 1, and the electric valve 4 and the hand valve 6 are arranged on the connecting pipe 3, when the vacuum system has no leakage and the two air cooling islands 1 operate simultaneously, the connecting pipe 3 is opened through the electric valve 4 or the hand valve 6, one vacuum pump 7 is adopted to vacuumize the two air cooling islands 1 simultaneously, the vacuum of the two air cooling islands 1 is kept through the vacuum pump 7, thereby saving the service power, and solving the problem of high power consumption of the existing thermal power unit during operation, the running cost of thermoelectricity air cooling unit has been reduced, the economic nature of thermoelectricity air cooling unit has been improved, energy-conserving efficient purpose has been reached, and when 1 operation in an air cooling island, connecting pipe 3 is closed to accessible motorised valve 4 or manual valve 6, avoid influencing vacuum pumping efficiency of vacuum pump 7, furthermore, through opening or closing of PLC controller 5 control motorised valve 4, and is simple and convenient, and when motorised valve 4 broke down, the opening or closing of connecting pipe 3 is realized to 6 realization of manual valve of accessible, thereby ensure that thermoelectricity air cooling unit can normal operating.
The working principle is as follows: when the two air cooling islands 1 run simultaneously and the vacuumizing equipment does not leak, the connecting pipe 3 is opened through the electric valve 4 or the manual valve 6, the vacuum pump 7 is started to simultaneously vacuumize the two air cooling islands 1 through the connecting pipe 3, and pumped noncondensable gas is sent to the gas-water separator 9 for separation;
when one air cooling island 1 runs, the connecting pipe 3 is closed through the electric valve 4 or the manual valve 6, and the vacuumizing efficiency of the vacuum pump 7 is prevented from being influenced.
The technical scheme of the utility model is that a connecting pipe is added on the original system, the air exhaust main pipes of two air cooling islands are communicated through the connecting pipe, an electric valve and a manual valve are arranged on the connecting pipe, when the vacuum system of the thermal power air cooling unit is intact and the two air cooling islands run simultaneously, one vacuum pump is adopted to simultaneously vacuumize the two air cooling islands, and the vacuum pump is stopped, so that the station power is saved, the running cost of the thermal power air cooling unit is greatly reduced, and the purpose of high efficiency and energy saving is achieved, in the Lanzhou thermoelectricity as an example, the power of one vacuum pump is 110KW, the vacuum pump runs by running a single vacuum pump by two machines, the electricity is saved by 110 multiplied by 24 by 2640 degrees every day, the electricity is saved by 2640 multiplied by 30 by 12 or 950400 degrees all the year, if the running time of the two machines is 6 months, the electricity can be saved by 950400/2 or 475200 degrees, the electricity is saved by 0.38 yuan, the running cost is saved by 0.38 yuan all the year, the economical efficiency of the thermal power air cooling unit is greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an energy-efficient thermoelectricity air cooling unit, its characterized in that includes two air cooling islands, every the air cooling island is respectively through pumping manifold and evacuation equipment intercommunication, evacuation equipment passes through outlet duct and splitter, two the pumping manifold passes through the contact pipe intercommunication, be equipped with the control valve on the contact pipe.
2. The efficient and energy-saving fossil-electric air-cooling unit as claimed in claim 1, wherein the control valve comprises an electrically operated valve, and the electrically operated valve is connected to a control device.
3. The efficient and energy-saving thermal power air-cooling unit according to claim 2, wherein the control device is a PLC controller.
4. The efficient and energy-saving thermal power air-cooling unit according to claim 2, wherein the control valve further comprises a manual valve.
5. The efficient and energy-saving thermal power air-cooling unit according to claim 1, wherein the vacuum-pumping device comprises a plurality of vacuum pumps, each vacuum pump is respectively communicated with the pumping main pipe through a pumping branch pipe, and each vacuum pump is respectively communicated with the separation device through the gas outlet pipe.
6. The efficient and energy-saving thermal power air-cooling unit as claimed in claim 5, wherein the number of the vacuum pumps is three.
7. The efficient and energy-saving thermal power air-cooling unit according to claim 6, wherein the separation equipment comprises a gas-water separator, and each vacuum pump is communicated with the gas-water separator through the gas outlet pipe.
8. The efficient and energy-saving thermal power air-cooling unit according to claim 7, wherein the number of the gas-water separators is three, and each vacuum pump is respectively communicated with one gas-water separator.
9. The efficient and energy-saving thermal power air-cooling unit according to claim 5, wherein the air exhaust main pipe, the air exhaust branch pipes, the air outlet pipe and the connecting pipe are seamless pipes.
10. The efficient and energy-saving thermal power air-cooling unit according to claim 9, wherein the seamless pipe is made of carbon steel, alloy steel or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452383.6U CN217005412U (en) | 2022-03-03 | 2022-03-03 | Efficient and energy-saving thermal power air cooling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452383.6U CN217005412U (en) | 2022-03-03 | 2022-03-03 | Efficient and energy-saving thermal power air cooling unit |
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| Publication Number | Publication Date |
|---|---|
| CN217005412U true CN217005412U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220452383.6U Active CN217005412U (en) | 2022-03-03 | 2022-03-03 | Efficient and energy-saving thermal power air cooling unit |
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| CN (1) | CN217005412U (en) |
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- 2022-03-03 CN CN202220452383.6U patent/CN217005412U/en active Active
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