CN202048561U - Smoke residual heat utilization device for boiler - Google Patents
Smoke residual heat utilization device for boiler Download PDFInfo
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- CN202048561U CN202048561U CN2011201107239U CN201120110723U CN202048561U CN 202048561 U CN202048561 U CN 202048561U CN 2011201107239 U CN2011201107239 U CN 2011201107239U CN 201120110723 U CN201120110723 U CN 201120110723U CN 202048561 U CN202048561 U CN 202048561U
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Abstract
The utility model discloses a smoke residual heat utilization device for a boiler, wherein a smoke outlet of the boiler is connected with a residual heat coal economizer, a residual heat utilization device A, a residual heat utilization device B, and a residual heat air preheater through smoke flues, then connected with a chimney through a draft fan, a circulating water outlet of a circulating water pot is connected with the residual heat utilization device B and the residual heat utilization device A by water pipes through a circulating pump, then connected with a circulating water inlet of the circulating water pot, and the circulating water outlet of the circulating water pot is connected with the residual heat coal economizer by the water pipe through a water supply pump; a water outlet of a high position soft water pot is connected with a water supplementing port of a low position circulating water pot; and a blower is connected with an air inlet of the residual heat air preheater, an air outlet of the residual heat air preheater is connected with a blast chamber of the boiler. The smoke residual heat utilization device of the utility model has high heat conduction efficiency and can fully take advantage of the smoke residual heat, thereby realizing high temperature water supplement and hot air blast of the boiler, and saving a lot of energy; in addition, the smoke discharged by the smoke residual heat utilization device of the utility model has a low temperature and a low air heat pollution.
Description
Technical field
The utility model relates to a kind of residual heat from boiler fume use device.
Background technology
Existing residual heat from boiler fume use device is generally economizer and air preheater, the flue of economizer outside, the steel pipe that is filled with water is interior, entered boiler or other local use again by the water of smoke pre-heating, its heat exchange weak effect, heat utilization efficiency is low, and most of heat is dissipated.The same economizer of the internal structure of air preheater also is that outer tube is a flue, and interior pipe is the air that is preheated, and the air that is preheated utilizes again, and it also exists heat exchange poor, and heat utilization efficiency is low, and most of heat is dissipated.
The utility model content
The purpose of this utility model solves the above-mentioned problems in the prior art exactly, and a kind of good effect of heat exchange is provided, heat utilization efficiency height, the residual heat from boiler fume use device of the saving energy.
The purpose of this utility model solves the above-mentioned problems in the prior art exactly, a kind of residual heat from boiler fume use device is provided, and it comprises water softening tank, circulation water pot, waste heat economizer, UTILIZATION OF VESIDUAL HEAT IN device A, B, waste heat air preheater, air-introduced machine and air blast;
The exhanst gas outlet of boiler is connected the mouth that advances of described waste heat economizer by flue, the outlet flue of waste heat economizer is connected the mouth that advances of described UTILIZATION OF VESIDUAL HEAT IN device A by flue, the outlet flue of UTILIZATION OF VESIDUAL HEAT IN device A is connected the mouth that advances of described UTILIZATION OF VESIDUAL HEAT IN device B by flue, the outlet flue of this UTILIZATION OF VESIDUAL HEAT IN device B connects the mouth that advances of described waste heat air preheater by flue, and the outlet flue of waste heat air preheater connects chimney by air-introduced machine;
The circulating outlet of described circulation water pot is connected the water inlet of UTILIZATION OF VESIDUAL HEAT IN device B by circulating pump by water pipe, the delivery port of UTILIZATION OF VESIDUAL HEAT IN device B is connected the water inlet of UTILIZATION OF VESIDUAL HEAT IN device A by water pipe, the delivery port of UTILIZATION OF VESIDUAL HEAT IN device A connects the circulation water inlet of circulation water pot again, the delivery port of circulation water pot is by the water inlet of water pipe by supply-water pump connection waste heat economizer, and the delivery port of waste heat economizer connects the water inlet of boiler; The delivery port of high-order water softening tank connects the water supplement port of low level circulation water pot;
Described air blast connects the air intlet of described waste heat air preheater, and the air outlet slit of waste heat air preheater connects the boiler drum air compartment.
Described waste heat economizer is a pressure vessel, and waste heat economizer lower end is a flue, and the upper end is a water tank, is connected by super heat-conductive pipe between its water tank and the flue; Into mouth and outlet flue are arranged on the walling of flue, water inlet and delivery port are arranged on the water tank wall.
Described UTILIZATION OF VESIDUAL HEAT IN device A, B comprise the flue in water tank and the water tank respectively, are fixed with super heat-conductive pipe on the inside and outside wall of flue; Into mouth and outlet flue are arranged on the walling of flue, water inlet and delivery port are arranged on the water tank wall.
Described waste heat air preheater lower end is a flue, and the upper end is a preheated air passage, is connected by super heat-conductive pipe between preheated air passage and the flue; Into mouth and outlet flue are arranged on the walling of flue, air intlet and air outlet slit are arranged on the preheated air passage wall.
Because the utility model has adopted such scheme, under the effect of air-introduced machine, the high-temperature boiler flue gas is through waste heat economizer, UTILIZATION OF VESIDUAL HEAT IN device A, B, waste heat air preheater and water and air conduction heat.Through the circulation heating of UTILIZATION OF VESIDUAL HEAT IN device A, B, temperature can reach 90-100 ° to water in the circulation water pot under the effect of circulating pump.The high-temperature water of process heating through the heating of waste heat economizer, enters boiler again in the circulation water pot under the effect of supply-water pump, and water temperature can reach 110-120 °.When the water level of circulation water pot descended, the water of water softening tank can be given the moisturizing of circulation water pot automatically because of liquid level difference.Under the effect of air blast, normal temperature air enters the boiler drum air compartment after heating through the waste heat air preheater, has reduced the heat loss of boiler.Waste heat economizer of the present utility model, UTILIZATION OF VESIDUAL HEAT IN device A, B, waste heat air preheater adopt the super heat-conductive pipe heat exchange, and the heat conduction efficiency height is fully used fume afterheat, has realized the boiler high temperature moisturizing, and a large amount of energy have been saved in the hot blast air blast.And the discharged flue gas temperature is low, and the air thermal pollution is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
As shown in Figure 1, present embodiment it comprise water softening tank 3, circulation water pot 4, waste heat economizer 5, UTILIZATION OF VESIDUAL HEAT IN device A, B, waste heat air preheater 10, air-introduced machine 1 and air blast 2.Described waste heat economizer 5 is pressure vessels, and waste heat economizer 5 lower ends are flue 15, and the upper end is a water tank 14, is connected by super heat-conductive pipe 13 between its water tank 14 and the flue 15; Into mouth and outlet flue are arranged on the walling of flue, water inlet and delivery port are arranged on the water tank wall.Described UTILIZATION OF VESIDUAL HEAT IN device A, B comprise the flue 17 in water tank 16 and the water tank respectively, are fixed with super heat-conductive pipe 18 on the inside and outside wall of flue 17.Described waste heat air preheater 10 lower ends are flue 19, and the upper end is a preheated air passage 20, are connected by super heat-conductive pipe 21 between preheated air passage 20 and the flue 19; Into mouth and outlet flue are arranged on the walling of flue, air intlet and air outlet slit are arranged on the preheated air passage wall.The exhanst gas outlet of boiler 6 is connected the mouth that advances of described waste heat economizer 5 by flue, the outlet flue of waste heat economizer 5 is connected the mouth that advances of described UTILIZATION OF VESIDUAL HEAT IN device A by flue, the outlet flue of UTILIZATION OF VESIDUAL HEAT IN device A is connected the mouth that advances of described UTILIZATION OF VESIDUAL HEAT IN device B by flue, the outlet flue of this UTILIZATION OF VESIDUAL HEAT IN device B connects the mouth that advances of described waste heat air preheater 10 by flue, and the outlet flue of waste heat air preheater 10 connects chimney by air-introduced machine 1.The circulating outlet of described circulation water pot 2 is connected the water inlet of UTILIZATION OF VESIDUAL HEAT IN device B by circulating pump by water pipe, the delivery port of UTILIZATION OF VESIDUAL HEAT IN device B is connected the water inlet of UTILIZATION OF VESIDUAL HEAT IN device A by water pipe, the delivery port of UTILIZATION OF VESIDUAL HEAT IN device A connects the circulation water inlet of circulation water pot 2 again, the delivery port of circulation water pot 2 is by the water inlet of water pipe by supply-water pump 12 connection waste heat economizers 5, and the delivery port of waste heat economizer 5 connects the water inlet of boiler 6.The delivery port of high-order water softening tank 3 connects the water supplement port of low level circulation water pot 4.Described air blast 2 connects the air intlet of described waste heat air preheater 10, and the air outlet slit of waste heat air preheater 10 connects the boiler drum air compartment.
Claims (5)
1. residual heat from boiler fume use device, it is characterized in that: it comprises water softening tank, circulation water pot, waste heat economizer, UTILIZATION OF VESIDUAL HEAT IN device A, B, waste heat air preheater, air-introduced machine and air blast;
The exhanst gas outlet of boiler is connected the mouth that advances of described waste heat economizer by flue, the outlet flue of waste heat economizer is connected the mouth that advances of described UTILIZATION OF VESIDUAL HEAT IN device A by flue, the outlet flue of UTILIZATION OF VESIDUAL HEAT IN device A is connected the mouth that advances of described UTILIZATION OF VESIDUAL HEAT IN device B by flue, the outlet flue of this UTILIZATION OF VESIDUAL HEAT IN device B connects the mouth that advances of described waste heat air preheater by flue, and the outlet flue of waste heat air preheater connects chimney by air-introduced machine;
The circulating outlet of described circulation water pot is connected the water inlet of UTILIZATION OF VESIDUAL HEAT IN device B by circulating pump by water pipe, the delivery port of UTILIZATION OF VESIDUAL HEAT IN device B is connected the water inlet of UTILIZATION OF VESIDUAL HEAT IN device A by water pipe, the delivery port of UTILIZATION OF VESIDUAL HEAT IN device A connects the circulation water inlet of circulation water pot again, the delivery port of circulation water pot is by the water inlet of water pipe by supply-water pump connection waste heat economizer, and the delivery port of waste heat economizer connects the water inlet of boiler; The delivery port of high-order water softening tank connects the water supplement port of low level circulation water pot;
Described air blast connects the air intlet of described waste heat air preheater, and the air outlet slit of waste heat air preheater connects the boiler drum air compartment.
2. residual heat from boiler fume use device according to claim 1 is characterized in that: described waste heat economizer is a pressure vessel, and waste heat economizer lower end is a flue, and the upper end is a water tank, is connected by super heat-conductive pipe between its water tank and the flue; Into mouth and outlet flue are arranged on the walling of flue, water inlet and delivery port are arranged on the water tank wall.
3. according to claim 1 or 2 described residual heat from boiler fume use devices, it is characterized in that: described UTILIZATION OF VESIDUAL HEAT IN device A, B comprise the flue in water tank and the water tank respectively, are fixed with super heat-conductive pipe on the inside and outside wall of flue; Into mouth and outlet flue are arranged on the walling of flue, water inlet and delivery port are arranged on the water tank wall.
4. residual heat from boiler fume use device according to claim 3 is characterized in that: described waste heat air preheater lower end is a flue, and the upper end is a preheated air passage, is connected by super heat-conductive pipe between preheated air passage and the flue; Into mouth and outlet flue are arranged on the walling of flue, air intlet and air outlet slit are arranged on the preheated air passage wall.
5. according to claim 1 or 2 described residual heat from boiler fume use devices, it is characterized in that: described waste heat air preheater lower end is a flue, and the upper end is a preheated air passage, is connected by super heat-conductive pipe between preheated air passage and the flue; Into mouth and outlet flue are arranged on the walling of flue, air intlet and air outlet slit are arranged on the preheated air passage wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201107239U CN202048561U (en) | 2011-04-15 | 2011-04-15 | Smoke residual heat utilization device for boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201107239U CN202048561U (en) | 2011-04-15 | 2011-04-15 | Smoke residual heat utilization device for boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202048561U true CN202048561U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201107239U Expired - Fee Related CN202048561U (en) | 2011-04-15 | 2011-04-15 | Smoke residual heat utilization device for boiler |
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|---|---|
| CN (1) | CN202048561U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705861A (en) * | 2012-06-15 | 2012-10-03 | 上海交通大学 | Air pre-heater system for fuel coal industrial boiler |
| CN103292310A (en) * | 2013-06-29 | 2013-09-11 | 陈懿修 | Air suction type threaded pipe air pre-heater and threaded smoke pipe coal economizer combined device |
| CN103528089A (en) * | 2013-10-18 | 2014-01-22 | 山西亿能节能科技服务有限公司 | Method and device for controlling coal fired boiler wind pressure changing combustion |
| CN104110670A (en) * | 2014-07-22 | 2014-10-22 | 江苏双良锅炉有限公司 | Horizontal fire tube boiler with tail provided with gas-water heat tube heat exchange tube |
| CN104121569A (en) * | 2014-07-22 | 2014-10-29 | 江苏双良锅炉有限公司 | Horizontal fire tube boiler with gas-gas heat tube heat exchange tube arranged on tail |
| CN104315872A (en) * | 2014-10-31 | 2015-01-28 | 惠州市拓丰实业有限公司 | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect |
| CN104406185A (en) * | 2014-10-31 | 2015-03-11 | 惠州市拓丰实业有限公司 | Boiler smoke gas cascade afterheat recovery energy-saving device |
| CN105570918A (en) * | 2016-01-19 | 2016-05-11 | 安徽富强竹业有限公司 | Energy-saving boiler |
-
2011
- 2011-04-15 CN CN2011201107239U patent/CN202048561U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705861A (en) * | 2012-06-15 | 2012-10-03 | 上海交通大学 | Air pre-heater system for fuel coal industrial boiler |
| CN103292310A (en) * | 2013-06-29 | 2013-09-11 | 陈懿修 | Air suction type threaded pipe air pre-heater and threaded smoke pipe coal economizer combined device |
| CN103292310B (en) * | 2013-06-29 | 2015-02-18 | 陈懿修 | Air suction type threaded pipe air pre-heater and threaded smoke pipe coal economizer combined device |
| CN103528089A (en) * | 2013-10-18 | 2014-01-22 | 山西亿能节能科技服务有限公司 | Method and device for controlling coal fired boiler wind pressure changing combustion |
| CN104110670A (en) * | 2014-07-22 | 2014-10-22 | 江苏双良锅炉有限公司 | Horizontal fire tube boiler with tail provided with gas-water heat tube heat exchange tube |
| CN104121569A (en) * | 2014-07-22 | 2014-10-29 | 江苏双良锅炉有限公司 | Horizontal fire tube boiler with gas-gas heat tube heat exchange tube arranged on tail |
| CN104315872A (en) * | 2014-10-31 | 2015-01-28 | 惠州市拓丰实业有限公司 | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect |
| CN104406185A (en) * | 2014-10-31 | 2015-03-11 | 惠州市拓丰实业有限公司 | Boiler smoke gas cascade afterheat recovery energy-saving device |
| CN104315872B (en) * | 2014-10-31 | 2017-02-15 | 广东拓丰实业有限公司 | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect |
| CN105570918A (en) * | 2016-01-19 | 2016-05-11 | 安徽富强竹业有限公司 | Energy-saving boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20150415 |
|
| EXPY | Termination of patent right or utility model |