CN219691614U - Superheated steam power generation system for preparing high-temperature flue gas waste heat recovery - Google Patents
Superheated steam power generation system for preparing high-temperature flue gas waste heat recovery Download PDFInfo
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- CN219691614U CN219691614U CN202321430930.1U CN202321430930U CN219691614U CN 219691614 U CN219691614 U CN 219691614U CN 202321430930 U CN202321430930 U CN 202321430930U CN 219691614 U CN219691614 U CN 219691614U
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- heat
- heat pipe
- flue gas
- temperature flue
- superheated steam
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003546 flue gas Substances 0.000 title claims abstract description 46
- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 238000010248 power generation Methods 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title description 4
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 239000005997 Calcium carbide Substances 0.000 claims abstract description 13
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides a power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas, which comprises a calcium carbide kiln and a total-heat efficient steam unit; the total heat efficient steam unit comprises a heat pipe evaporator, a heat pipe condenser, a heat pipe type steam generator, a heat pipe, a smoke box and an intermediate baffle box. The utility model can recycle heat in high-temperature flue gas in a cascade way, not only can generate power by using high-temperature and high-pressure superheated steam, but also can provide superheated steam for energy-consuming enterprises, thereby improving economic benefit.
Description
Technical Field
The utility model belongs to the technical field of waste heat recovery and utilization, and particularly relates to a power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas.
Background
Each standard calcium carbide furnace set up in the calcium carbide plant produced about 3700Nm per hour 3 High temperature flue gas, the flue gas is cooled naturallyBut then emptied. Waste heat resources of the flue gas of the calcium carbide kiln are wasted in the circulating process and cannot be well utilized. But also the enterprises are continuously consuming energy and equipment to produce industrial steam, etc. Therefore, how to recycle and utilize the heat dissipated in the high-temperature flue gas emission process, thereby realizing the aims of energy conservation, emission reduction and cost reduction of enterprises, and having important significance.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a system for preparing superheated steam power generation by recovering waste heat of high-temperature flue gas, which can effectively solve the problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas, which comprises a calcium carbide kiln (1) and a total-heat efficient steam unit (2); the total heat efficient steam unit (2) comprises a heat pipe evaporator (3), a heat pipe condenser (4), a heat pipe type steam generator (5), a heat pipe (6), a smoke box (13) and an intermediate baffle box (14);
the heat pipe type steam generator (5) and the smoke box (13) are arranged up and down oppositely, and the middle partition plate box (14) is arranged between the heat pipe type steam generator (5) and the smoke box (13); the heat pipe condenser (4) is arranged in the heat pipe type steam generator (5); the heat pipe evaporator (3) is arranged in the smoke box (13); the heat absorption end of the heat pipe (6) is positioned in the smoke box (13), the heat release end of the heat pipe (6) is positioned in the heat pipe type steam generator (5), and the middle section of the heat pipe (6) passes through the middle partition plate box (14);
the high-temperature flue gas inlet of the flue box (13) is communicated with the flue gas outlet of the calcium carbide kiln (1); the smoke box (13) is provided with a low-temperature smoke exhaust port.
Preferably, the heat pipe (6) is a coil pipe bundle or a serpentine pipe bundle.
Preferably, the heat pipe type steam generator (5) is provided with three output pipelines, and the first output pipeline is communicated with a heat supply end of a heat user; the second output pipeline is provided with a pressure relief valve (11); the third output pipeline is communicated with a steam inlet of the steam generator set.
Preferably, the third output line is provided with a heat pipe type steam generator outlet valve (12).
Preferably, the heat pipe type steam generator (5) is communicated with a water inlet pipeline; according to the water flow direction, a driving water inlet pump inlet valve (8), a driving water inlet pump (7) and a driving water inlet pump outlet valve (9) are sequentially arranged in the water inlet pipeline.
Preferably, the device also comprises a bypass valve (10); and two ends of the bypass valve (10) are respectively connected with the inlet valve (8) of the driving water inlet pump and the outlet valve (9) of the driving water inlet pump.
The power generation system for preparing superheated steam by recovering the waste heat of high-temperature flue gas has the following advantages:
the heat in the high-temperature flue gas is recovered for cascade utilization, so that the high-temperature and high-pressure superheated steam can be used for generating power, superheated steam can be provided for energy utilization enterprises, and the economic benefit is improved.
Drawings
Fig. 1 is a schematic structural diagram of a power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas.
Wherein:
in the figure: the method comprises the following steps of 1 a calcium carbide furnace, 2 a total heat efficient steam unit, 3 a heat pipe evaporator, 4 a heat pipe condenser, 5 a heat pipe type steam generator, 6 a heat pipe, 7 a driving water inlet pump, 8 a driving water inlet pump inlet valve, 9 a driving water inlet pump outlet valve, 10 a bypass valve, 11 a pressure relief valve and 12 a heat pipe type steam generator outlet valve.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to reduce the problems of waste heat resource waste caused by natural emission of high-temperature flue gas and high energy consumption of energy-consuming enterprises, the utility model provides a power generation system for preparing superheated steam by recovering waste heat of the high-temperature flue gas, which is used for recovering heat dissipated in the high-temperature flue gas emission process, and converting the heat into heating steam for power generation or being used as production gas or supplementing the production gas into a boiler and a kiln for recycling, thereby realizing the aims of energy conservation, emission reduction and cost reduction of enterprises. Therefore, the superheated steam power generation system for preparing the superheated steam by recovering the waste heat of the high-temperature flue gas provided by the utility model can recycle the heat in the high-temperature flue gas in a cascade way, can generate power by using the high-temperature and high-pressure superheated steam, can provide the superheated steam for energy utilization enterprises, and improves the economic benefit. The scheme of the system is as follows:
as shown in fig. 1, the utility model provides a power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas, which comprises a calcium carbide kiln 1 and a total-heat efficient steam unit 2; the total heat efficient steam unit 2 comprises a heat pipe evaporator 3, a heat pipe condenser 4, a heat pipe type steam generator 5, a heat pipe 6, a smoke box 13 and an intermediate baffle box 14;
the heat pipe type steam generator 5 and the smoke box 13 are arranged up and down oppositely, and a middle partition plate box 14 is arranged between the heat pipe type steam generator 5 and the smoke box 13; a heat pipe condenser 4 is arranged in the heat pipe type steam generator 5; the heat pipe evaporator 3 is arranged in the smoke box 13; the heat absorbing end of the heat pipe 6 is positioned in the smoke box 13, the heat releasing end of the heat pipe 6 is positioned in the heat pipe type steam generator 5, and the middle section of the heat pipe 6 passes through the middle baffle box 14; the heat pipes 6 are coiled pipe bundles or serpentine pipe bundles. The heat pipe 6 is provided with a working medium in a flowing mode, the working medium absorbs heat of high-temperature flue gas at the heat absorption end of the heat pipe 6, and emits heat at the heat release end of the heat pipe 6, so that the working medium is used for heating water flowing into the heat pipe type steam generator 5, and the water absorbs heat and evaporates into steam.
The high-temperature flue gas inlet of the flue box 13 is communicated with the flue gas outlet of the calcium carbide kiln 1; the smoke box 13 is provided with a low-temperature smoke exhaust port.
The heat pipe type steam generator 5 is provided with three output pipelines, and the first output pipeline is communicated with a heat supply end of a heat user; the second output pipeline is provided with a pressure relief valve 11; the third output pipeline is communicated with a steam inlet of the steam generator set. Wherein the third output line is provided with a heat pipe type steam generator outlet valve 12.
The heat pipe type steam generator 5 is communicated with a water inlet pipeline; according to the water flow direction, a driving water inlet pump inlet valve 8, a driving water inlet pump 7 and a driving water inlet pump outlet valve 9 are sequentially arranged in the water inlet pipeline. Also included is a bypass valve 10; the two ends of the bypass valve 10 are respectively connected with the inlet valve 8 of the driving water inlet pump and the outlet valve 9 of the driving water inlet pump.
In the embodiment of the utility model, the power generation system for preparing the superheated steam by recovering the waste heat of the high-temperature flue gas consists of two parts, wherein the high-temperature flue gas enters a smoke box to continuously heat a heat pipe in a heat pipe evaporator, and the heated heat pipe automatically conducts heat to an upper heat pipe condenser; and secondly, the working medium in the heat pipe condenser transfers heat to steam in the total heat efficient steam unit and then flows back to the heat pipe evaporator, and the steam absorbs heat to become superheated steam and is conveyed to a heat utilization unit.
The steam is delivered to a hot user for power generation, heating, or otherwise. The specific working mode is as follows:
the high-temperature flue gas discharged by the calcium carbide furnace 1 passes through a heat pipe evaporator 3 in the total heat efficient steam unit 2, the flue gas washes a heat pipe 6, working medium in the heat pipe absorbs heat of the high-temperature flue gas to form steam in the heat pipe evaporator 3, the steam enters a heat pipe condenser 4, and the temperature of the flue gas is reduced and discharged from a smoke box. At the same time, the steam in the heat pipe type steam generator 5 absorbs the heat of the heat pipe condenser 4 and then becomes superheated steam to be transmitted to a generator set or other heat utilization units, and the temperature of working medium in the heat pipe condenser 4 is reduced and flows back to the heat pipe evaporator 3 through the heat pipe.
By implementing the utility model, the superheated steam power generation system prepared by recovering the waste heat of the high-temperature flue gas has the following advantages:
1. in the system for preparing the superheated steam power generation by recovering the waste heat of the high-temperature flue gas, the total-heat efficient steam unit fully utilizes the waste heat in the flue gas emission, has no electric energy input, saves the energy consumed by producing the superheated steam, and realizes energy conservation and cost reduction.
2. The superheated steam generated by the superheated steam power generation system prepared by high-temperature flue gas waste heat recovery is high in quality and wide in application range, and can be used as a large-area heat supply source, production gas or supplemented into a boiler and a kiln for recycling.
3. The power generation efficiency of the produced superheated steam for the superheated steam power generation system is higher by recovering the high-temperature flue gas waste heat, so that the petroleum energy required to be consumed for power generation is saved, and the aims of energy conservation, emission reduction and carbon reduction of enterprises are fulfilled.
Therefore, the utility model provides a power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas, in particular to a power generation system for preparing superheated steam by recovering waste heat in the high-temperature flue gas by utilizing a total-heat efficient steam unit and a high-efficiency heat pipe heat exchanger, which can realize the thermal efficiency of a calcium carbide kiln, reduce fuel consumption and save energy and carbon.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.
Claims (6)
1. The power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas is characterized by comprising a calcium carbide kiln (1) and a total-heat efficient steam unit (2); the total heat efficient steam unit (2) comprises a heat pipe evaporator (3), a heat pipe condenser (4), a heat pipe type steam generator (5), a heat pipe (6), a smoke box (13) and an intermediate baffle box (14);
the heat pipe type steam generator (5) and the smoke box (13) are arranged up and down oppositely, and the middle partition plate box (14) is arranged between the heat pipe type steam generator (5) and the smoke box (13); the heat pipe condenser (4) is arranged in the heat pipe type steam generator (5); the heat pipe evaporator (3) is arranged in the smoke box (13); the heat absorption end of the heat pipe (6) is positioned in the smoke box (13), the heat release end of the heat pipe (6) is positioned in the heat pipe type steam generator (5), and the middle section of the heat pipe (6) passes through the middle partition plate box (14);
the high-temperature flue gas inlet of the flue box (13) is communicated with the flue gas outlet of the calcium carbide kiln (1); the smoke box (13) is provided with a low-temperature smoke exhaust port.
2. The power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas according to claim 1, wherein the heat pipe (6) is a coiled pipe bundle or a serpentine pipe bundle.
3. The power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas according to claim 1, wherein the heat pipe type steam generator (5) is provided with three output pipelines, and the first output pipeline is communicated with a heat supply end of a heat user; the second output pipeline is provided with a pressure relief valve (11); the third output pipeline is communicated with a steam inlet of the steam generator set.
4. A system for producing superheated steam by recovering waste heat from flue gas at high temperature as claimed in claim 3, wherein the third output pipe is provided with a valve (12) for outlet of a heat pipe type steam generator.
5. The power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas according to claim 1, wherein the heat pipe type steam generator (5) is communicated with a water inlet pipeline; according to the water flow direction, a driving water inlet pump inlet valve (8), a driving water inlet pump (7) and a driving water inlet pump outlet valve (9) are sequentially arranged in the water inlet pipeline.
6. The power generation system for preparing superheated steam by recovering waste heat of high-temperature flue gas according to claim 5, further comprising a bypass valve (10); and two ends of the bypass valve (10) are respectively connected with the inlet valve (8) of the driving water inlet pump and the outlet valve (9) of the driving water inlet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430930.1U CN219691614U (en) | 2023-06-06 | 2023-06-06 | Superheated steam power generation system for preparing high-temperature flue gas waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430930.1U CN219691614U (en) | 2023-06-06 | 2023-06-06 | Superheated steam power generation system for preparing high-temperature flue gas waste heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691614U true CN219691614U (en) | 2023-09-15 |
Family
ID=87966489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321430930.1U Active CN219691614U (en) | 2023-06-06 | 2023-06-06 | Superheated steam power generation system for preparing high-temperature flue gas waste heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691614U (en) |
-
2023
- 2023-06-06 CN CN202321430930.1U patent/CN219691614U/en active Active
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