CN101865448B - Chimney waste heat steam boiler - Google Patents
Chimney waste heat steam boiler Download PDFInfo
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- CN101865448B CN101865448B CN2010102301240A CN201010230124A CN101865448B CN 101865448 B CN101865448 B CN 101865448B CN 2010102301240 A CN2010102301240 A CN 2010102301240A CN 201010230124 A CN201010230124 A CN 201010230124A CN 101865448 B CN101865448 B CN 101865448B
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Abstract
The invention relates to a chimney waste heat steam boiler, which comprises a recovery tank, wherein the recovery tank is provided with a smoke gas inlet, a smoke gas outlet, a steam outlet and a water inlet, the smoke gas inlet is connected with a gas outlet of a thermal coal furnace through a gas inlet pipeline, the smoke gas outlet is connected with a chimney through a gas outlet pipe, the steam outlet is connected with steam reuse equipment through a steam outlet pipe, and the water inlet is connected with a low-temperature water pipe network through a water inlet pipe. Through the invention, the heat of the high-temperature smoke gas exhausted from the gas outlet of the thermal coal furnace can be recovered to be used for heating low-temperature water so that the low-temperature water can be converted into steam, and then, the steam can be used for the production of heating or steam reuse equipment. The invention avoids the heat energy waste, and reduces the thermal pollution formed by high-temperature smoke gas exhaust.
Description
Technical field
The present invention relates to a kind of steam boiler, relate in particular to a kind of chimney waste heat steam boiler that can reclaim the high-temperature flue gas used heat of smoke stack emission.
Background technology
At present; In the application system of pipestill for heat carrier or Industrial Boiler; The flue gas of discharging from the exhanst gas outlet of pipestill for heat carrier or Industrial Boiler all adopts the method processing that directly is disposed to atmosphere through chimney, because the flue gas that pipestill for heat carrier or Industrial Boiler are discharged has higher heat, therefore; Caused a large amount of thermal waste, and flue gas also can produce thermal pollution when entering atmosphere.
Summary of the invention
In order to solve the above-mentioned defective of prior art, the object of the present invention is to provide a kind of chimney waste heat steam boiler, can reclaim the used heat in the flue gas that pipestill for heat carrier or Industrial Boiler discharge through the present invention, utilize once again.
The technical scheme that the present invention adopts is:
A kind of chimney waste heat steam boiler; Comprise recycling can, said recycling can is provided with gas approach, exhanst gas outlet, steam drain and water inlet, and said gas approach connects the gas outlet of pipestill for heat carrier through admission line; Said exhanst gas outlet connects chimney through outlet pipe; Said steam drain connects the steam equipment for reclaiming through gland steam exhauster, and said water inlet connects the water at low temperature pipe network through water inlet pipe, and said steam equipment for reclaiming can comprise exhaust steam recycling can and jet pump; Said exhaust steam recycling can is provided with import and condensate outlet; The jet exit of said jet pump can connect the import of said exhaust steam recycling can, and the jet import of said jet pump can connect the low-temperature heat water pipe through aqueduct, can be provided with water pump on the said aqueduct; The suction inlet of said jet pump can connect the steam drain of said recycling can through said gland steam exhauster, and the condensate of said exhaust steam recycling can export through outlet pipe and connect the high-temperature-hot-water pipe network.
Can be provided with control valve or stop valve on the said water inlet pipe.
Water in the said water at low temperature pipe network is preferably desalted water.
Said steam equipment for reclaiming can also comprise return pipe, and the water inlet of said return pipe can connect said outlet pipe, and the delivery port of said return pipe can connect said aqueduct or low-temperature heat water pipe, can be provided with stop valve on the said return pipe.
The condensate outlet of said exhaust steam recycling can be arranged on the bottom of said exhaust steam recycling can, can be provided with the condensed water in high temperature pump on the outlet pipe between the water inlet of said condensate outlet and said return pipe.
Outlet pipe between the condensate outlet of said exhaust steam recycling can and the water inlet of said return pipe can be parallel with exit branch, can be provided with the condensed water in high temperature pump on the said exit branch.
Said exhaust steam recycling can be provided with safety valve and air bleeding valve, and said safety valve and air bleeding valve can be connected to the top of said exhaust steam recycling can through pipeline.
Can be provided with manhole on the sidewall of said exhaust steam recycling can, all can be provided with stop valve on said low-temperature heat water pipe and the gland steam exhauster, the bottom of said exhaust steam recycling can be provided with blow-off pipe.
Said pipestill for heat carrier can be provided with the oil pipe that runs through its barrel; Said oil pipe is positioned at the inner part of said pipestill for heat carrier and can be provided with and be spiral or rugosity; Said pipestill for heat carrier can also be provided with the fuel gas import, and said fuel gas import can be positioned at the below of said oil pipe.
Beneficial effect of the present invention: the heat that can reclaim the high-temperature flue gas of discharging through the present invention from the gas outlet of pipestill for heat carrier; In order to heat to water at low temperature; Make it to become steam; Be used further to produce heating or steam equipment for reclaiming, both avoided the waste of heat energy, reduced the thermal pollution that the high-temperature flue gas discharging forms again; Said steam equipment for reclaiming adopts the combination of exhaust steam recycling can and jet pump; The latent heat of vaporization of the steam that can be used to discharge from the gland steam exhauster of recycling can is the low-temperature water heating heating; Low-temperature water heating after will heating through the condensed water in high temperature pump is again sent into the high-temperature-hot-water pipe network or is returned the low-temperature heat water pipe through return pipe; Can steam be imported in the medium with elevated pressures and utilize once again, not only help environmental protection and protection of resources, can also bring direct economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of steam equipment for reclaiming of the present invention.
The specific embodiment
Referring to Fig. 1; A kind of chimney waste heat steam boiler comprises recycling can 1, and said recycling can is provided with gas approach, exhanst gas outlet, steam drain and water inlet; Said gas approach connects the gas outlet of pipestill for heat carrier 3 through admission line 2; The high-temperature flue gas that said pipestill for heat carrier is produced can directly enter said recycling can, and said exhanst gas outlet connects chimney 5 through escape pipe 4 roads, makes the flue gas of handling through said recycling can directly enter atmosphere through said chimney; Said steam drain connects the steam equipment for reclaiming through gland steam exhauster 6; Make the steam that generates in the said recycling can derive recycling, said water inlet connects the water at low temperature pipe network through water inlet pipe 7, for the reaction of the heat exchange in the said recycling can provides water at low temperature.
Can be provided with control valve or stop valve 8 on the said water inlet pipe, get into the low temperature water yield in the said recycling can with convenient control.
Water in the said water at low temperature pipe network is preferably desalted water, to reduce the fouling in said recycling can and each pipeline and to reduce said recycling can and each Corrosion of Pipeline.
In order to make full use of the heat that said pipestill for heat carrier produces, said pipestill for heat carrier can be provided with the oil pipe 9 that runs through its barrel, and the heat that said pipestill for heat carrier is produced can be used for the heating of oil; Said oil pipe is positioned at the inner part of said pipestill for heat carrier and can be provided with and be spiral or rugosity; To increase the area of heat exchange, said pipestill for heat carrier can also be provided with fuel gas import 10, and said fuel gas can adopt the oil refining byproduct; With the fuel saving resource, said fuel gas import can be positioned at the below of said oil pipe.
The operation principle of said chimney waste heat steam boiler is: the high-temperature flue gas that pipestill for heat carrier work produces enters in the said recycling can through air inlet pipe; In said recycling can, inject water at low temperature through water inlet pipe; Said high-temperature flue gas and water at low temperature are carried out heat exchange in said recycling can; Low-temperature flue gas after the heat exchange enters chimney through escape pipe and enters atmosphere again, and the steam that heat exchange produces is delivered to the steam equipment for reclaiming through gland steam exhauster and utilized once again.
Can reclaim from the heat of the high-temperature flue gas of pipestill for heat carrier discharge through the present invention,, make it to become steam, be used further to produce heating or steam equipment for reclaiming, both avoid the waste of heat energy, reduce the thermal pollution of high-temperature flue gas discharging formation again in order to the water at low temperature heating.
Referring to Fig. 2; Said steam equipment for reclaiming can comprise exhaust steam recycling can 11 and jet pump 12; Said exhaust steam recycling can is provided with import and condensate outlet; The jet exit of said jet pump can connect the import of said exhaust steam recycling can, and the jet import of said jet pump can connect low-temperature heat water pipe 14 through aqueduct 13, and the suction inlet of said jet pump can connect the steam drain of said recycling can through said gland steam exhauster; When getting into said exhaust steam recycling can through said jet pump from the low-temperature water heating of said low-temperature heat water pipe; Can form negative pressure in the suction porch of said jet pump, will aspirate into said exhaust steam recycling can from the steam of said gland steam exhauster, for the suction porch that guarantees said jet pump has enough negative pressure; Can be provided with water pump 15 on the said aqueduct, to improve the pressure and the flow velocity of the low-temperature water heating that gets into said jet pump.The outlet of the condensate of said recycling can connect high-temperature-hot-water pipe networks 17 through outlet pipe 16, so that will utilize the low-temperature water heating from the low-temperature heat water pipe after the vaporization latent heat of steam to recycle.
The import of said exhaust steam recycling can be arranged on the top of its tank body, makes jet get into behind the said exhaust steam recycling can stream from up to down.The import of said exhaust steam recycling can also can be arranged on the side of tank body.
Said steam equipment for reclaiming can also comprise return pipe 18; The water inlet of said return pipe can connect said outlet pipe; The delivery port of said return pipe can connect said aqueduct or low-temperature heat water pipe; Said aqueduct forms jet and/or the low-temperature heat water pipe utilizes once more so that the condensate of discharging from said exhaust steam recycling can be recycled to, and can be provided with stop valve on the said return pipe.
The condensate outlet of said exhaust steam recycling can be arranged on the bottom of said exhaust steam recycling can; What guarantee thus to discharge from the outlet of said condensate all is condensate; Can be provided with condensed water in high temperature pump 19 on the outlet pipe between the water inlet of said condensate outlet and said return pipe; In order to improve, guarantee that the condensate of discharging can get into said high-temperature-hot-water pipe network smoothly or be back to said low-temperature heat water pipe or aqueduct from the pressure of the condensate of said condensate outlet discharge.
Outlet pipe between the condensate outlet of said exhaust steam recycling can and the water inlet of said return pipe can be parallel with exit branch 20; Can be provided with condensed water in high temperature pump 21 on the said exit branch, in order to guarantee when fault appears in the condensed water in high temperature pump on said outlet pipe or the outlet pipe, not influence the operation of system and device.
Said exhaust steam recycling can be provided with safety valve 22 and air bleeding valve 23; Said safety valve and air bleeding valve can be connected to the top of said exhaust steam recycling can through pipeline; Can the gas that can not form condensate regularly be discharged said exhaust steam recycling can through said air bleeding valve; In order to avoid too much take the space in the tank body, said safety valve can be in said exhaust steam recycling can internal pressure above releasing pressure automatically after the certain limit.
Can be provided with manhole 25 on the sidewall of said exhaust steam recycling can; To maintain easily; All can be provided with stop valve on said low-temperature heat water pipe and the gland steam exhauster; The bottom of said exhaust steam recycling can be provided with blow-off pipe 24, in order to when said steam equipment for reclaiming is stopped transport, discharges condensate and/or pollutant in the said exhaust steam recycling can.
Steam equipment for reclaiming of the present invention; Swabbing action through jet pump; The steam that the gland steam exhauster of said recycling can is discharged aspirates into jet pump, mixes with the low-temperature water heating with elevated pressures from the low-temperature heat water pipe, flows into the exhaust steam recycling can through jet exit; Utilize the latent heat of vaporization of steam to heat for low-temperature water heating; Low-temperature water heating after will heating through the condensed water in high temperature pump is again sent into the high-temperature-hot-water pipe network or is returned the low-temperature heat water pipe through return pipe, can steam be imported in the medium with elevated pressures to utilize once again, realizes the recycling to water resource in the steam and heat energy thus; Not only help the protection of environment and resource, but also can bring direct economic benefit.
Claims (9)
1. chimney waste heat steam boiler; It is characterized in that comprising recycling can, said recycling can is provided with gas approach, exhanst gas outlet, steam drain and water inlet, and said gas approach connects the gas outlet of pipestill for heat carrier through admission line; Said exhanst gas outlet connects chimney through outlet pipe; Said steam drain connects the steam equipment for reclaiming through gland steam exhauster, and said water inlet connects the water at low temperature pipe network through water inlet pipe, and said steam equipment for reclaiming comprises exhaust steam recycling can and jet pump; Said exhaust steam recycling can is provided with import and condensate outlet; The jet exit of said jet pump connects the import of said exhaust steam recycling can, and the jet import of said jet pump connects the low-temperature heat water pipe through aqueduct, and said aqueduct is provided with water pump; The suction of said jet pump enters the mouth and connects the steam drain of said recycling can through said gland steam exhauster, and the condensate outlet of said exhaust steam recycling can connects the high-temperature-hot-water pipe network through outlet pipe.
2. chimney waste heat steam boiler as claimed in claim 1 is characterized in that said water inlet pipe is provided with control valve or stop valve.
3. chimney waste heat steam boiler as claimed in claim 2 is characterized in that the water in the said water at low temperature pipe network is desalted water.
4. chimney waste heat steam boiler as claimed in claim 3; It is characterized in that said steam equipment for reclaiming also comprises return pipe; The water inlet of said return pipe connects said outlet pipe, and the delivery port of said return pipe connects said aqueduct or low-temperature heat water pipe, and said return pipe is provided with stop valve.
5. chimney waste heat steam boiler as claimed in claim 4; It is characterized in that the condensate outlet of said exhaust steam recycling can is arranged on the bottom of said exhaust steam recycling can, the outlet pipe between the water inlet of said condensate outlet and said return pipe is provided with the condensed water in high temperature pump.
6. chimney waste heat steam boiler as claimed in claim 5 is characterized in that the outlet pipe between the water inlet of condensate outlet and said return pipe of said exhaust steam recycling can is parallel with exit branch, and said exit branch is provided with the condensed water in high temperature pump.
7. chimney waste heat steam boiler as claimed in claim 6 is characterized in that said exhaust steam recycling can is provided with safety valve and air bleeding valve, and said safety valve and air bleeding valve are connected to the top of said exhaust steam recycling can through pipeline.
8. chimney waste heat steam boiler as claimed in claim 7 is characterized in that the sidewall of said exhaust steam recycling can is provided with manhole, is equipped with stop valve on said low-temperature heat water pipe and the gland steam exhauster, and the bottom of said exhaust steam recycling can is provided with blow-off pipe.
9. like claim 1,2,3,4,5,6,7 or 8 described chimney waste heat steam boilers; It is characterized in that said pipestill for heat carrier is provided with the oil pipe that runs through its barrel; Said oil pipe is positioned at the inner part of said pipestill for heat carrier and is spiral or rugosity; Said pipestill for heat carrier also is provided with the fuel gas import, and said fuel gas import is positioned at the below of said oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102301240A CN101865448B (en) | 2010-07-19 | 2010-07-19 | Chimney waste heat steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102301240A CN101865448B (en) | 2010-07-19 | 2010-07-19 | Chimney waste heat steam boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865448A CN101865448A (en) | 2010-10-20 |
| CN101865448B true CN101865448B (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102301240A Expired - Fee Related CN101865448B (en) | 2010-07-19 | 2010-07-19 | Chimney waste heat steam boiler |
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| Country | Link |
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| CN (1) | CN101865448B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361318A (en) * | 2020-11-03 | 2021-02-12 | 合肥科安设备安装有限公司 | Steam boiler capable of efficiently recovering steam waste heat |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2267414Y (en) * | 1996-06-05 | 1997-11-12 | 张锡斌 | Pressed hot water supply arrangement |
| CN1987198A (en) * | 2006-12-05 | 2007-06-27 | 湖北兴发化工集团股份有限公司 | Method for recovering and reutilizing exhaust waste heat of producing hexa poly sodium metal-phosphate |
| CN101761912A (en) * | 2010-01-22 | 2010-06-30 | 江苏太湖锅炉股份有限公司 | Boiler tail low-pressure waste heat utilizing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000054854A (en) * | 1998-08-06 | 2000-02-22 | Ishikawajima Harima Heavy Ind Co Ltd | Method and device for recovering water in stem injection type gas turbine |
| FI118237B (en) * | 2004-11-03 | 2007-08-31 | Waertsilae Finland Oy | Method and system for recovering heat |
| JP2007333322A (en) * | 2006-06-15 | 2007-12-27 | Miura Co Ltd | System for producing cold water using steam ejector |
| CN201811188U (en) * | 2010-07-19 | 2011-04-27 | 李树生 | Steam boiler for recycling smokestack waste heat |
-
2010
- 2010-07-19 CN CN2010102301240A patent/CN101865448B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2267414Y (en) * | 1996-06-05 | 1997-11-12 | 张锡斌 | Pressed hot water supply arrangement |
| CN1987198A (en) * | 2006-12-05 | 2007-06-27 | 湖北兴发化工集团股份有限公司 | Method for recovering and reutilizing exhaust waste heat of producing hexa poly sodium metal-phosphate |
| CN101761912A (en) * | 2010-01-22 | 2010-06-30 | 江苏太湖锅炉股份有限公司 | Boiler tail low-pressure waste heat utilizing device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2000-54854A 2000.02.22 |
| JP特开2007-333322A 2007.12.27 |
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| Publication number | Publication date |
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| CN101865448A (en) | 2010-10-20 |
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| C14 | Grant of patent or utility model | ||
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| ASS | Succession or assignment of patent right |
Owner name: BEIJING STEAM-CONDENSE DYNAMIC TECHNOLOGY CO., LTD Free format text: FORMER OWNER: LI SHUSHENG Effective date: 20130407 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130407 Address after: 100011 Beijing city Xicheng District Street Dewai street, in teaching field Patentee after: Beijing Steam-Condense Dynamic Technology Co., Ltd. Address before: 100011 Beijing city Xicheng District Street Dewai Street No. 1 teaching field Patentee before: Li Shusheng |
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Owner name: LI SHUSHENG Free format text: FORMER OWNER: BEIJING STEAM-CONDENSE DYNAMIC TECHNOLOGY CO., LTD. Effective date: 20140731 |
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Effective date of registration: 20140731 Address after: 100011 Beijing city Xicheng District Street Dewai street, in teaching field Patentee after: Li Shusheng Address before: 100011 Beijing city Xicheng District Street Dewai street, in teaching field Patentee before: Beijing Steam-Condense Dynamic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20140719 |
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