CN217684942U - Energy-saving and carbon-reducing device of gas-heat combined supply unit - Google Patents
Energy-saving and carbon-reducing device of gas-heat combined supply unit Download PDFInfo
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- CN217684942U CN217684942U CN202221060702.5U CN202221060702U CN217684942U CN 217684942 U CN217684942 U CN 217684942U CN 202221060702 U CN202221060702 U CN 202221060702U CN 217684942 U CN217684942 U CN 217684942U
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Abstract
The utility model provides an energy-conserving carbon reduction device of gas-heat cogeneration unit, a serial communication port, include: a gas-heat cogeneration unit configured to generate high-temperature and high-pressure air; the heat exchanger is connected with the gas-heat combined supply unit and is connected with an aftertreatment system and/or a compressed air pipe network; a hot water circulation system connected with the heat exchanger; an evaporation tank connected with the hot water circulation system; the deaerator is connected with the evaporation tank; the hot water circulating system comprises a heat exchange coil and a hot water storage tank, the heat exchange coil is arranged inside the evaporation tank, and the hot water storage tank is connected with the heat exchange coil.
Description
Technical Field
The utility model relates to an energy-conserving carbon reduction device of gas-heat cogeneration unit.
Background
Compressed air is one of the most widely used power sources in the industrial field, and the energy consumption of compressed air in general production type enterprises accounts for 10% -35% of the total power consumption. In current enterprise applications, most compressed air systems operate at very low efficiency, and have the problems of equipment mismatch, large pipeline loss, system leakage, improper use, improper system control and the like. In order to realize centralized gas supply and improve the energy utilization efficiency, the gas-heat cogeneration unit is rapidly popularized. Specifically, ultrahigh pressure steam is connected into a back pressure type industrial steam turbine through a main steam main pipe to drive a centrifugal air compressor to do work, and generated compressed air enters a drying system and then is supplied to a compressed air pipe network; and low-pressure steam discharged by back pressure at the tail end of the steam turbine enters a low-pressure steam pipe network to supply heat externally.
Because the temperature of the air is also raised in the compression process, the temperature of the compressed air at the outlet of the general air-heat cogeneration unit can reach 140-160 ℃. Based on the consideration of user needs, safety and the like, the compressed air can enter a compressed air pipe network after being cooled. Generally, the waste heat is discharged into the atmosphere through a compressed air condenser and a cooling water system, so that heat loss and waste are caused, the circulating water amount, the water consumption amount and the power consumption are large, and white smoke plume can be formed at a cooling tower. In addition, the fluctuation of the operation of the gas-heat combined supply system in waste heat recovery also needs to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a gas-heat cogeneration unit energy-conservation carbon reduction device that structural design is reasonable.
The embodiment of the utility model provides a solve the technical scheme that above-mentioned problem adopted and be: the utility model provides a gas-heat cogeneration unit energy-saving carbon reduction device which characterized in that includes:
a gas-heat cogeneration unit configured to generate high-temperature and high-pressure air;
the heat exchanger is connected with the gas-heat combined supply unit and is connected with an aftertreatment system and/or a compressed air pipe network;
a hot water circulation system connected with the heat exchanger;
an evaporation tank connected with the hot water circulation system; and
the deaerator is connected with the evaporation tank;
the hot water circulating system comprises a heat exchange coil and a hot water storage tank, the heat exchange coil is arranged inside the evaporation tank, and the hot water storage tank is connected with the heat exchange coil.
The embodiment of the utility model provides a hot water circulating system includes the shower head, the shower head set up in inside the evaporating pot, just the shower head is connected to the hot water storage tank with on the pipeline that heat exchange coil connects.
The embodiment of the utility model provides a hot water storage tank with set up the hot water circulating pump on the pipeline that heat transfer coil pipe connects.
The embodiment of the utility model provides a be provided with the moisturizing pipe on the hot water storage tank.
The embodiment of the utility model provides a shower head set up in the upper portion of evaporating pot, and correspond to the steam outlet of evaporating pot.
The embodiment of the utility model provides an evaporating pot with set up vacuum pump and steam converter on the connecting pipeline of oxygen-eliminating device.
The embodiment of the utility model provides a gas-heat cogeneration unit includes air compressor and steam turbine.
Compared with the prior art, the utility model, have following one or more advantage or effect: the structure is simple, and the design is reasonable; the high-temperature compressed air produced by the gas-heat cogeneration unit is recycled by waste heat discharged by the cooling tower and converted into low-pressure steam to be supplied to the deaerator to replace part of the plant steam. In addition, the compressed air waste heat that original conventional gas-heat allies oneself with confession unit produced generally discharges into the atmosphere through pressure air condenser and cooling water system, has caused thermal loss and waste, and the circulating water yield, water consumption and power consumption are all very big, and cooling tower department still can form white smoke plume, the utility model discloses convert the compressed air waste heat into low pressure steam, play the effect that reduces the circulating water yield, reduces water consumption and power consumption, also alleviateed and avoided the white smoke plume phenomenon of cooling tower even, the utility model discloses can produce good economic benefits and environmental benefit, also be favorable to the enterprise to upgrade at the lower background type of two carbons.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of an energy-saving and carbon-reducing device of a gas-heat co-generation unit in an embodiment of the present invention, which is shown in a first position.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the energy-saving and carbon-reducing device of the gas-heat cogeneration unit 1 of the embodiment includes the gas-heat cogeneration unit 1, a heat exchanger 2, a hot water circulating system 3, an evaporation tank 4, a deaerator 5, a vacuum pump 6 and a steam converter 7.
The gas-heat cogeneration unit 1 in the present embodiment is configured to generate high-temperature and high-pressure air. Further, the gas-heat cogeneration unit 1 includes an air compressor 11 and a steam turbine 12. The working principle of the air compressor 11 and the steam turbine 12 is prior art and will not be described herein.
The heat exchanger 2 in this embodiment is connected to the gas-heat cogeneration unit 1, and the heat exchanger 2 is connected to an aftertreatment system and/or a compressed air network. After high-temperature compressed air generated by the air-heat cogeneration unit 1 enters the heat exchanger 2, heat is transferred to circulating water in the heat exchanger 2, so that heat exchange is completed.
In the embodiment, the hot water circulation system 3 is connected to the heat exchanger 2, and the circulating water in the heat exchanger 2 circulates through the hot water circulation system 3.
The evaporation tank 4 in this embodiment is connected to the hot water circulation system 3.
The deaerator 5 in this embodiment is connected to the evaporation tank 4. Steam generated by the evaporation tank 4 can enter the deaerator 5 and finally enters a pipe network of plant steam to replace at least part of the plant steam, so that energy conservation and efficiency improvement can be reduced, coal consumption can be reduced, and carbon emission can be reduced.
The hot water circulation system 3 in this embodiment includes a heat exchange coil 31 and a hot water storage tank 32, the heat exchange coil 31 is disposed inside the evaporation tank 4, and the hot water storage tank 32 is connected to the heat exchange coil 31. Water is provided in the evaporation tank 4, and the heat exchange coil 31 is immersed in the water in the evaporation tank 4 to exchange heat with the water, and the hot water storage tank 32 may store heat or provide heat to the heat exchange coil 31.
In this embodiment, the hot water circulation system 3 includes a spray header 33, the spray header 33 is disposed inside the evaporation tank 4, and the spray header 33 is connected to a pipeline connecting the hot water storage tank 32 and the heat exchange coil 31.
In this embodiment, a hot water circulating pump 34 is disposed on a pipeline connecting the hot water storage tank 32 and the heat exchange coil 31.
The embodiment of the utility model provides a be provided with moisturizing pipe 321 on the hot water storage tank 32. The hot water storage tank 32 may be replenished with deionized water through a water replenishment pipe 321.
In this embodiment, the shower head 33 is disposed at the upper portion of the evaporation can 4 and corresponds to the steam outlet of the evaporation can 4. Thus, the hot water sprayed into the evaporation tank 4 by the spray header 33 is flashed into micro-pressure steam, and can be directly discharged from the steam outlet.
The embodiment of the utility model provides an evaporating pot 4 with set up vacuum pump 6 and steam converter 7 on the connecting pipeline of oxygen-eliminating device 5. Under the action of the vacuum pump 6, the spray header 33 sprays hot water into the evaporation tank 4 to be flashed into micro-pressure steam. In the steam converter 7, the micro-pressure steam is compressed and boosted under the driving action of the electric energy, and enters the deaerator 5 after reaching the quasi-entry pressure of the deaerator 5. The operation principle of the vacuum pump 6 and the steam converter 7 is prior art and will not be described herein.
The connections in this embodiment are all connected by pipelines, and are not described in detail herein.
In this embodiment, the operation of the energy-saving and carbon-reducing device of the gas-heat cogeneration unit may include four processes. The first is a heat exchange process, and the heat exchanger 2 transfers the waste heat of the compressed air to the circulating hot water. Secondly, in the circulating water conveying process, the hot water circulating pump 34 conveys hot water to the evaporation tank 4 and the spray header 33. Thirdly, the flash evaporation process, the hot water in the evaporation tank 4 starts to flash under the action of the vacuum pump 6. The fourth is a pressurization process, in the steam converter 10, the micro-pressure steam obtained by flash evaporation is pressurized to the pressure required by entering the deaerator 5.
In this embodiment, the energy storage regulation method includes four aspects. On the first hand, when the compressed air flow of the gas-heat cogeneration unit 1 is increased to be higher than the set value, the hot water circulating pump 34 still keeps the set original flow operation of the system, and the extra part enters the hot water storage tank 32 for storage; in the second aspect, when the compressed air flow of the gas-heat cogeneration unit 1 drops below the set value, the hot water circulating pump 34 still maintains the operation of the set original flow of the system, and the insufficient part is supplemented by the hot water storage tank 32; in a third aspect, when the feedback of the requirement of the deaerator 5 is lower than the set value, the hot water circulating pump 34 still maintains the operation of the set original flow rate of the system, and the extra part enters the hot water storage tank 32 for storage; in the fourth aspect, when the demand feedback of the deaerator 5 is higher than the set value, the hot water circulating pump 34 still maintains the set original flow rate operation in the evaporation tank 4, and the extra part is supplemented by the hot water storage tank 32.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a gas-heat allies oneself with energy-conservation of confession unit and falls carbon device which characterized in that includes:
an air-heat cogeneration unit configured to generate high-temperature and high-pressure air;
the heat exchanger is connected with the gas-heat combined supply unit and is connected with an aftertreatment system and/or a compressed air pipe network;
a hot water circulation system connected with the heat exchanger;
an evaporation tank connected with the hot water circulation system; and
the deaerator is connected with the evaporation tank;
the hot water circulating system comprises a heat exchange coil and a hot water storage tank, the heat exchange coil is arranged inside the evaporation tank, and the hot water storage tank is connected with the heat exchange coil.
2. The energy-saving and carbon-reducing device of the gas-heat cogeneration unit according to claim 1, characterized in that: the hot water circulation system comprises a spray head, the spray head is arranged inside the evaporation tank, and the spray head is connected to a pipeline connected with the hot water storage tank and the heat exchange coil.
3. The gas-heat cogeneration unit energy-saving and carbon-reducing device according to claim 1 or 2, characterized in that: and a hot water circulating pump is arranged on a pipeline connecting the hot water storage tank and the heat exchange coil.
4. The energy-saving and carbon-reducing device of the gas-heat cogeneration unit according to claim 2, characterized in that: and a water replenishing pipe is arranged on the hot water storage tank.
5. The energy-saving and carbon-reducing device of the gas-heat cogeneration unit according to claim 2, characterized in that: the spray header is arranged at the upper part of the evaporating pot and corresponds to a steam outlet of the evaporating pot.
6. The energy-saving and carbon-reducing device of the gas-heat cogeneration unit according to claim 1, characterized in that: and a vacuum pump and a steam converter are arranged on a connecting pipeline between the evaporating pot and the deaerator.
7. The energy-saving and carbon-reducing device of the gas-heat cogeneration unit according to claim 1, characterized in that: the gas-heat cogeneration unit comprises an air compressor and a steam turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221060702.5U CN217684942U (en) | 2022-04-28 | 2022-04-28 | Energy-saving and carbon-reducing device of gas-heat combined supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221060702.5U CN217684942U (en) | 2022-04-28 | 2022-04-28 | Energy-saving and carbon-reducing device of gas-heat combined supply unit |
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| Publication Number | Publication Date |
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| CN217684942U true CN217684942U (en) | 2022-10-28 |
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| CN202221060702.5U Active CN217684942U (en) | 2022-04-28 | 2022-04-28 | Energy-saving and carbon-reducing device of gas-heat combined supply unit |
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| CN (1) | CN217684942U (en) |
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- 2022-04-28 CN CN202221060702.5U patent/CN217684942U/en active Active
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