CN101865448A - Chimney waste heat steam boiler - Google Patents
Chimney waste heat steam boiler Download PDFInfo
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- CN101865448A CN101865448A CN 201010230124 CN201010230124A CN101865448A CN 101865448 A CN101865448 A CN 101865448A CN 201010230124 CN201010230124 CN 201010230124 CN 201010230124 A CN201010230124 A CN 201010230124A CN 101865448 A CN101865448 A CN 101865448A
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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 by 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 used heat in the flue gas that pipestill for heat carrier or Industrial Boiler discharge by the present invention, utilize once again.
The technical solution used in the present invention is: a kind of chimney waste heat steam boiler, comprise recycling can, described recycling can is provided with gas approach, exhanst gas outlet, steam drain and water inlet, described gas approach connects the gas outlet of pipestill for heat carrier by admission line, described exhanst gas outlet connects chimney by outlet pipe, described steam drain connects the steam equipment for reclaiming by gland steam exhauster, and described water inlet connects the water at low temperature pipe network by water inlet pipe.
Can be provided with control valve or stop valve on the described water inlet pipe.
Water in the described water at low temperature pipe network is preferably desalted water.
Described steam equipment for reclaiming can comprise exhaust steam recycling can and jet pump, described exhaust steam recycling can is provided with import and condensate water outlet, the jet exit of described jet pump can connect the import of described exhaust steam recycling can, the jet import of described jet pump can connect the low-temperature water heating pipe by aqueduct, can be provided with water pump on the described aqueduct, the suction inlet of described jet pump can connect the steam drain of described recycling can by described gland steam exhauster, and the condensate water outlet of described recycling can connect the high-temperature-hot-water pipe network by outlet pipe.
Described steam equipment for reclaiming can also comprise return pipe, and the water inlet of described return pipe can connect described outlet pipe, and the delivery port of described return pipe can connect described aqueduct or low-temperature water heating pipe, can be provided with stop valve on the described return pipe.
The condensate water outlet of described exhaust steam recycling can be arranged on the bottom of described exhaust steam recycling can, can be provided with the condensed water in high temperature pump on the outlet pipe between the water inlet of described condensate water outlet and described return pipe.
Outlet pipe between the condensate water outlet of described exhaust steam recycling can and the water inlet of described return pipe can be parallel with exit branch, can be provided with the condensed water in high temperature pump on the described exit branch.
Described exhaust steam recycling can be provided with safety valve and air bleeding valve, and described safety valve and air bleeding valve can be connected to the top of described exhaust steam recycling can by pipeline.
Can be provided with manhole on the sidewall of described exhaust steam recycling can, all can be provided with stop valve on described low-temperature water heating pipe and the gland steam exhauster, the bottom of described Steam Recovery jar can be provided with blow-off pipe.
Described pipestill for heat carrier can be provided with the oil pipe that runs through its barrel, the part that described oil pipe is positioned at described pipestill for heat carrier inside can be provided with and be spiral or rugosity, described pipestill for heat carrier can also be provided with the fuel gas import, and described fuel gas import can be positioned at the below of described oil pipe.
Beneficial effect of the present invention: the heat that can reclaim the high-temperature flue gas of discharging by 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 avoid the waste of heat energy, reduced the thermal pollution that the high-temperature flue gas discharging forms again; Described steam equipment for reclaiming adopts the combination of exhaust steam recycling can and jet pump; the latent heat of vaporization that can be used to the steam of discharging from the gland steam exhauster of recycling can is the low-temperature water heating heating; low-temperature water heating after will heating by the condensed water in high temperature pump is again sent into the high-temperature-hot-water pipe network or is returned the low-temperature water heating pipe by return pipe; steam can 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, comprise recycling can 1, described recycling can is provided with gas approach, exhanst gas outlet, steam drain and water inlet, described gas approach connects the gas outlet of pipestill for heat carrier 3 by admission line 2, the high-temperature flue gas that described pipestill for heat carrier is produced can directly enter described recycling can, described exhanst gas outlet connects chimney 5 by escape pipe 4 roads, make the flue gas of handling through described recycling can directly enter atmosphere by described chimney, described steam drain connects the steam equipment for reclaiming by gland steam exhauster 6, make the steam that generates in the described recycling can derive recycling, described water inlet connects the water at low temperature pipe network by water inlet pipe 7, for the reaction of the heat exchange in the described recycling can provides water at low temperature.
Can be provided with control valve or stop valve 8 on the described water inlet pipe, with the convenient low temperature water yield that enters in the described recycling can of controlling.
Water in the described water at low temperature pipe network is preferably desalted water, to reduce the fouling in described recycling can and each pipeline and to reduce described recycling can and each Corrosion of Pipeline.
In order to make full use of the heat that described pipestill for heat carrier produces, described pipestill for heat carrier can be provided with the oil pipe 9 that runs through its barrel, the heat that described pipestill for heat carrier is produced can be used for the heating of oil, the part that described oil pipe is positioned at described pipestill for heat carrier inside can be provided with and be spiral or rugosity, to increase the area of heat exchange, described pipestill for heat carrier can also be provided with fuel gas import 10, and described fuel gas can adopt the oil refining byproduct, with the fuel saving resource, described fuel gas import can be positioned at the below of described oil pipe.
The operation principle of described chimney waste heat steam boiler is: the high-temperature flue gas that pipestill for heat carrier work produces enters in the described recycling can by air inlet pipe, in described recycling can, inject water at low temperature by water inlet pipe, described high-temperature flue gas and water at low temperature are carried out heat exchange in described recycling can, low-temperature flue gas after the heat exchange enters chimney by escape pipe and enters atmosphere again, and the steam that heat exchange produces is delivered to the steam equipment for reclaiming by gland steam exhauster and utilized once again.
Can reclaim from the heat of the high-temperature flue gas of pipestill for heat carrier discharge by 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, described steam equipment for reclaiming can comprise exhaust steam recycling can 11 and jet pump 12, described exhaust steam recycling can is provided with import and condensate water outlet, the jet exit of described jet pump can connect the import of described exhaust steam recycling can, the jet import of described jet pump can connect low-temperature water heating pipe 14 by aqueduct 13, the suction inlet of described jet pump can connect the steam drain of described recycling can by described gland steam exhauster, when entering described exhaust steam recycling can by described jet pump from the low-temperature water heating of described low-temperature water heating pipe, can form negative pressure in the suction porch of described jet pump, to aspirate into described exhaust steam recycling can from the steam of described gland steam exhauster, for the suction porch that guarantees described jet pump has enough negative pressure, can be provided with water pump 15 on the described aqueduct, enter the pressure and the flow velocity of the low-temperature water heating of described jet pump with raising.The outlet of the condensate water of described recycling can connect high-temperature-hot-water pipe networks 17 by outlet pipe 16, so that will utilize the low-temperature water heating from the low-temperature water heating pipe after the vaporization latent heat of steam to recycle.
The import of described exhaust steam recycling can be arranged on the top of its tank body, makes jet enter behind the described exhaust steam recycling can stream from up to down.The import of described exhaust steam recycling can also can be arranged on the side of tank body.
Described steam equipment for reclaiming can also comprise return pipe 18, the water inlet of described return pipe can connect described outlet pipe, the delivery port of described return pipe can connect described aqueduct or low-temperature water heating pipe, described aqueduct forms jet and/or the low-temperature water heating pipe utilizes once more so that the condensate water of discharging from described exhaust steam recycling can be recycled to, and can be provided with stop valve on the described return pipe.
The condensate water outlet of described exhaust steam recycling can be arranged on the bottom of described exhaust steam recycling can, what guarantee thus to discharge from the outlet of described condensate water all is condensate water, can be provided with condensed water in high temperature pump 19 on the outlet pipe between the water inlet of described condensate water outlet and described return pipe, in order to improve, guarantee that the condensate water of discharging can enter described high-temperature-hot-water pipe network smoothly or be back to described low-temperature water heating pipe or aqueduct from the pressure of the condensate water of described condensate water outlet discharge.
Outlet pipe between the condensate water outlet of described exhaust steam recycling can and the water inlet of described return pipe can be parallel with exit branch 20, can be provided with condensed water in high temperature pump 21 on the described exit branch, in order to guarantee when fault appears in the condensed water in high temperature pump on described outlet pipe or the outlet pipe, not influence the operation of system and device.
Described exhaust steam recycling can be provided with safety valve 22 and air bleeding valve 23, described safety valve and air bleeding valve can be connected to the top of described exhaust steam recycling can by pipeline, the gas that can not form condensate water regularly can be discharged described exhaust steam recycling can by described air bleeding valve, in order to avoid take the interior space of tank body too much, described safety valve can be in described exhaust steam recycling can internal pressure above releasing pressure automatically after the certain limit.
Can be provided with manhole 25 on the sidewall of described exhaust steam recycling can, to maintain easily, all can be provided with stop valve on described low-temperature water heating pipe and the gland steam exhauster, the bottom of described exhaust steam recycling can be provided with blow-off pipe 24, in order to when described steam equipment for reclaiming is stopped transport, discharge condensate water and/or pollutant in the described exhaust steam recycling can.
Steam equipment for reclaiming of the present invention; swabbing action by jet pump; the steam that the gland steam exhauster of described recycling can is discharged aspirates into jet pump; mix with low-temperature water heating with elevated pressures from the low-temperature water heating pipe; flow into the exhaust steam recycling can by jet exit; utilize the latent heat of vaporization of steam to heat for low-temperature water heating; low-temperature water heating after will heating by the condensed water in high temperature pump is again sent into the high-temperature-hot-water pipe network or is returned the low-temperature water heating pipe by return pipe; steam can be imported in the medium with elevated pressures and utilize once again; realize recycling thus to water resource in the steam and heat energy; not only help the protection of environment and resource, but also can bring direct economic benefit.
Claims (10)
1. chimney waste heat steam boiler, it is characterized in that comprising recycling can, described recycling can is provided with gas approach, exhanst gas outlet, steam drain and water inlet, described gas approach connects the gas outlet of pipestill for heat carrier by admission line, described exhanst gas outlet connects chimney by outlet pipe, described steam drain connects the steam equipment for reclaiming by gland steam exhauster, and described water inlet connects the water at low temperature pipe network by water inlet pipe.
2. chimney waste heat steam boiler as claimed in claim 1 is characterized in that described 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 described 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 described steam equipment for reclaiming comprises exhaust steam recycling can and jet pump, described exhaust steam recycling can is provided with import and condensate water outlet, the jet exit of described jet pump connects the import of described exhaust steam recycling can, the jet import of described jet pump connects the low-temperature water heating pipe by aqueduct, described aqueduct is provided with water pump, the suction of described jet pump enters the mouth and connects the steam drain of described recycling can by described gland steam exhauster, and the condensate water outlet of described recycling can connects the high-temperature-hot-water pipe network by outlet pipe.
5. chimney waste heat steam boiler as claimed in claim 4, it is characterized in that described steam equipment for reclaiming also comprises return pipe, the water inlet of described return pipe connects described outlet pipe, and the delivery port of described return pipe connects described aqueduct or low-temperature water heating pipe, and described return pipe is provided with stop valve.
6. chimney waste heat steam boiler as claimed in claim 5, it is characterized in that the condensate water outlet of described exhaust steam recycling can is arranged on the bottom of described exhaust steam recycling can, the outlet pipe between the water inlet of described condensate water outlet and described return pipe 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 the outlet pipe between the water inlet of the condensate water outlet of described exhaust steam recycling can and described return pipe is parallel with exit branch, and described exit branch is provided with the condensed water in high temperature pump.
8. chimney waste heat steam boiler as claimed in claim 7 is characterized in that described exhaust steam recycling can is provided with safety valve and air bleeding valve, and described safety valve and air bleeding valve are connected to the top of described exhaust steam recycling can by pipeline.
9. chimney waste heat steam boiler as claimed in claim 8 is characterized in that the sidewall of described exhaust steam recycling can is provided with manhole, is equipped with stop valve on described low-temperature water heating pipe and the gland steam exhauster, and the bottom of described Steam Recovery jar is provided with blow-off pipe.
10. as claim 1,2,3,4,5,6,7,8 or 9 described chimney waste heat steam boilers, it is characterized in that described pipestill for heat carrier is provided with the oil pipe that runs through its barrel, the part that described oil pipe is positioned at described pipestill for heat carrier inside is spiral or rugosity, described pipestill for heat carrier also is provided with the fuel gas import, and described fuel gas import is positioned at the below of described 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 true CN101865448A (en) | 2010-10-20 |
| CN101865448B CN101865448B (en) | 2012-07-18 |
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| 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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Cited By (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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2267414Y (en) * | 1996-06-05 | 1997-11-12 | 张锡斌 | Pressed hot water supply arrangement |
| 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 |
| WO2006048505A1 (en) * | 2004-11-03 | 2006-05-11 | Wärtsilä Finland Oy | Method and system for heat recovery |
| 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 |
| JP2007333322A (en) * | 2006-06-15 | 2007-12-27 | Miura Co Ltd | System for producing cold water using steam ejector |
| 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 |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2267414Y (en) * | 1996-06-05 | 1997-11-12 | 张锡斌 | Pressed hot water supply arrangement |
| 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 |
| WO2006048505A1 (en) * | 2004-11-03 | 2006-05-11 | Wärtsilä Finland Oy | Method and system for heat recovery |
| JP2007333322A (en) * | 2006-06-15 | 2007-12-27 | Miura Co Ltd | System for producing cold water using steam ejector |
| 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 |
| CN201811188U (en) * | 2010-07-19 | 2011-04-27 | 李树生 | Steam boiler for recycling smokestack waste heat |
Cited By (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 |
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| Publication number | Publication date |
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| CN101865448B (en) | 2012-07-18 |
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Owner name: BEIJING STEAM-CONDENSE DYNAMIC TECHNOLOGY CO., LTD Free format text: FORMER OWNER: LI SHUSHENG Effective date: 20130407 |
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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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