CN203771707U - Flue gas waste heat recycling system for boiler - Google Patents

Flue gas waste heat recycling system for boiler Download PDF

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Publication number
CN203771707U
CN203771707U CN201420181107.6U CN201420181107U CN203771707U CN 203771707 U CN203771707 U CN 203771707U CN 201420181107 U CN201420181107 U CN 201420181107U CN 203771707 U CN203771707 U CN 203771707U
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CN
China
Prior art keywords
boiler
water
exhaust pipe
smoke exhaust
water jacket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420181107.6U
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Chinese (zh)
Inventor
杨彦豪
黄光华
黄立斌
杨琼
陈晓汉
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Guangxi Academy of Fishery Sciences
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Guangxi Academy of Fishery Sciences
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Priority to CN201420181107.6U priority Critical patent/CN203771707U/en
Application granted granted Critical
Publication of CN203771707U publication Critical patent/CN203771707U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A flue gas waste heat recycling system for a boiler comprises a boiler body (1). The boiler body (1) comprises a boiler water inlet (9) and a boiler water outlet (8). The top of the boiler body (1) is provided with a smoke exhaust pipe (2), the tail end of the smoke exhaust pipe (2) is provided with an exhaust fan (10), the smoke exhaust pipe (2) is covered with a water jacket (3), and the water jacket (3) is provided with a water jacket water inlet (7) and a water jacket water outlet (5). The flue gas waste heat recycling system for the boiler can reduce the temperature of the discharged flue gas, take full advantages of heat released by burning coal or wood in the boiler, reduce dust discharged into the air, reduce pollution to the environment, and achieve the purpose of highly-efficient energy conservation and emission reduction.

Description

A kind of residual heat from boiler fume recycling system
Technical field
The utility model relates to energy recovery and utilizes field, especially a kind of residual heat from boiler fume recycling system.
Background technology
The boiler that the coal (timber) of take is fuel is widely used in the aquatic livestock During Overwintering Period of aquaculture industry, but the flue gas that most of boiler produces is all direct discharge, can discharge a large amount of heat energy and dust, not only wastes energy but also contaminated environment.
Domestic patent database disclosed some relevant boiler patented technologies in recent years:
[patent No.] CN200720101036 for example, [title] double-water jacket boiler, [notification number] CN201041371Y, this utility model provides a kind of double-water jacket boiler, belongs to civil coal boiler technical field.It is high that technical problem to be solved is to provide a kind of thermal efficiency, the double-water jacket boiler of fuel saving.It comprises body of heater, the burner hearth that double wall forms, it between double wall, is water jacket, water jacket is provided with water outlet mouthpiece and backwater interface, in said burner hearth, be provided with inner water sleeve, inner water sleeve middle part is smoke box, between smoke box and burner hearth, be provided with catadioptric communicating pipe, smoke box upper end is provided with smoke exhaust pipe, is provided with communicating pipe and lower communicating tube between inner water sleeve and water jacket.This boiler is placed in inner water sleeve in burner hearth and toasted by stove fire, quick heating.Smoke box is established at inner water sleeve middle part, and furnace gas is being discharged out of the furnace in stove after catadioptric again, is conducive to like this heat exchange, can effectively improve the thermal efficiency of boiler, and energy-saving effect is obvious.The desirable substitute products of civil coal boiler.But, this utility model complex structure, the flue gas heat that burning produces can not effectively utilize, and causes the loss of energy, the waste of the energy.
[patent No.] CN201320500198 for example, the energy-saving heat pipe heat recovery boiler of [title] a kind of heat system, [notification number] CN203464310U, this utility model discloses the energy-saving heat pipe heat recovery boiler of a kind of heat system, comprise boiler, chimney and the flue collector from the outlet flue of boiler to chimney, described flue collector is provided with heat exchange of heat pipe, and described heat exchange of heat pipe is connected on boiler by water pipe.The heat exchange of heat pipe that this utility model has high thermal conductivity by utilization replaces old-fashioned boiler economizer, has not only improved heat transfer efficiency, and have the resistance of compact conformation, fluid damage little, be conducive to control the advantages such as dew point corrosion.But the heat of flue collector does not make full use of, heat still can run off from flue collector, can not effectively utilize the heat of flue gas.
Summary of the invention
The utility model object is to overcome the deficiencies in the prior art, a kind of residual heat from boiler fume recycling system is provided, reduce the temperature of fume emission, make full use of coal (timber) the emitted heat energy that burns in boiler, and can reduce the amount of dust that is discharged into air, alleviate the pollution to environment, reach the object of efficient energy-saving and emission-reducing.
To achieve these goals, the utility model has adopted following technical scheme:
A residual heat from boiler fume recycling system, comprises body of heater 1, and described body of heater 1 comprises boiler feed water mouth 9 and boiler delivery port 8; Described body of heater 1 tip position is provided with smoke exhaust pipe 2, and the terminal position of described smoke exhaust pipe 2 is provided with air exhauster 10; On described smoke exhaust pipe 2, be coated with water jacket 3, described water jacket 3 is provided with water jacket water inlet 7 and water jacket delivery port 5.
As further improvement of the utility model, described boiler blow-down water pipe (17) one end connects water jacket water inlet (7), for recycling water resource.
As further improvement of the utility model, described boiler delivery port 8 is connected with boiler discharging tube 18, and described boiler discharging tube 18 is connected with heating tube 19, for indoor 11, heats.
As further improvement of the utility model, described heating tube 19 is through indoor 11, and described heating tube 19 ends are connected with boiler blow-down water pipe 17, make water circulation use, economize on resources.
As further improvement of the utility model, described body of heater 1 also comprises boiler blow-down water mouth 6, can make hot water again enter body of heater 1.
As further improvement of the utility model, described boiler blow-down water mouth 6 is connected with water jacket delivery port 5, and the water that makes 3 li of water jackets obtain heating enters body of heater 1.
As further improvement of the utility model, described smoke exhaust pipe 2 is received ground by elbow 4, makes the flue dust of discharge obtain certain buffering, falls in smoke exhaust pipe 2.
As further improvement of the utility model, described smoke exhaust pipe 2 ends are connected with smoke exhaust pipe 22 by elbow 12, and flue dust is further fallen in smoke exhaust pipe 2.
As further improvement of the utility model, described smoke exhaust pipe 2 exports threeway 14 by body of heater and is connected with body of heater 1, and described body of heater outlet threeway 14 is provided with valve 13, is convenient to remove fall to the flue dust in smoke exhaust pipe 2.
As further improvement of the utility model, described smoke exhaust pipe 2 exports threeway 14 by body of heater and extends to need to heat indoor 11, and described adaptor three-way 15 is provided with valve 16, is convenient to remove fall to the flue dust in smoke exhaust pipe 2.
As further improvement of the utility model, described water jacket 3 covers whole smoke exhaust pipe 2 or cover part smoke exhaust pipe 2, can fully absorb 3 li of heat heating water jackets' water.
Operation principle of the present utility model: when boiler is started working, from boiler feed water mouth 9, add water in body of heater 1, water through heating flows out from boiler delivery port 8, enter into heating tube 19, heat for indoor 11, from water jacket water inlet 7, flow into water jackets 3 after flowing into boiler blow-down water pipe 17 after the hot water heat loss after heating.Water jacket 3 covers the heat that can fully absorb the flue dust of burning generation on smoke exhaust pipe 2, the water of heating water jacket 3 the insides, water after heating is heated for indoor 11 again, by water jacket delivery port 5, from boiler blow-down water mouth 6, enter body of heater 1, by boiler delivery port 8, flow into boiler discharging tube 18 together with the interior heated water of body of heater 1, flow into again heating tube 19, for indoor 11, heat, hot water heat loss after heating, finally from hot-water line 19 ends flow into boiler blow-down water pipe 17, again enter water jacket 3 heating, recycle water resource; Unnecessary heat also can stay within the temperature in hot room simultaneously, flue dust is through smoke exhaust pipe 2, by smoke exhaust pipe 22, discharge, after elbow 4 and elbow 12, obtain certain buffering, major part can be deposited in smoke exhaust pipe 2, has reduced the discharge capacity of flue dust, opens the valve 13 of body of heater outlet threeway 14 when removing flue dust, with air blast, be connected with body of heater outlet threeway 14, can remove rapidly the flue dust that falls to smoke exhaust pipe 2.
The beneficial effect the utlity model has is as follows:
1. the utility model can fully effectively utilize the heat heating water of flue gas, saves the energy.
2. the utility model is deposited in smoke exhaust pipe flue dust, has reduced the discharge of flue dust, is convenient to clean and maintenance.
3. the utility model result is simple, uses safety, convenient, is convenient to promote the use of.
4. the utility model has improved the utilization rate of the energy, has saved the energy, has reduced soot emissions, reaches the effect of efficient energy-saving and emission-reducing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 3.
Fig. 3 is water (flow) direction schematic diagram.
In figure: 1-body of heater; 2-smoke exhaust pipe; 3-water jacket; 4-elbow; 5-water jacket delivery port; 6-boiler blow-down water mouth; 7-water jacket water inlet; 8-boiler delivery port; 9-boiler feed water mouth; 10-air exhauster; 11-is indoor; 12-elbow; 13-valve; 14-body of heater outlet threeway; 15-adaptor three-way; 16-valve; 17-boiler blow-down water pipe; 18-boiler discharging tube; 19-heating tube; 22-smoke exhaust pipe.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Embodiment 1
As shown in figures 1 and 3, the present embodiment system comprises body of heater 1, and described body of heater 1 comprises boiler feed water mouth 9 and boiler delivery port 8; Described body of heater 1 tip position is provided with smoke exhaust pipe 2, and the terminal position of described smoke exhaust pipe 2 is provided with air exhauster 10; On described smoke exhaust pipe 2, be coated with water jacket 3, described water jacket 3 is provided with water jacket water inlet 7 and water jacket delivery port 5.The delivery port of boiler described in this enforcement 8 connects boiler discharging tube 18, and described boiler discharging tube 18 is connected with heating tube 19, and described heating tube 19 ends connect boiler blow-down water pipe 17, and described boiler blow-down water pipe 17 one end connect water jacket water inlet 7.Body of heater 1 also comprises boiler blow-down water mouth 6, and boiler blow-down water mouth 6 is connected with water jacket delivery port 5.Described smoke exhaust pipe 2 exports threeway 14 by body of heater and is connected with body of heater 1, and described body of heater outlet threeway 14 is provided with valve 13, and smoke exhaust pipe 2 is received ground by elbow 4, and described smoke exhaust pipe 2 ends are connected with smoke exhaust pipe 22 by elbow 12.Water jacket 3 covers whole smoke exhaust pipe 2.
When boiler is started working, from boiler feed water mouth 9, add water in body of heater 1, through the water heating, from boiler delivery port 8, flow out, enter into heating tube 19, heat for indoor 11, from water jacket water inlet 7, flow into water jackets 3 after flowing into boiler blow-down water pipe 17 after the hot water heat loss after heating.Water jacket 3 covers the heat that can fully absorb the flue dust of burning generation on smoke exhaust pipe 2, the water of heating water jacket 3 the insides, water after heating is heated for indoor 11 again, by water jacket delivery port 5, from boiler blow-down water mouth 6, enter body of heater 1, by boiler delivery port 8, flow into boiler discharging tube 18 together with the interior heated water of body of heater 1, flow into again heating tube 19, for indoor 11, heat, hot water heat loss after heating, finally from hot-water line 19 ends flow into boiler blow-down water pipe 17, again enter water jacket 3 heating, recycle water resource; Unnecessary heat also can stay within the temperature in hot room simultaneously, flue dust is through smoke exhaust pipe 2, by smoke exhaust pipe 22, discharge, after elbow 4 and elbow 12, obtain certain buffering, major part can be deposited in smoke exhaust pipe 2, has reduced the discharge capacity of flue dust, opens the valve 13 of body of heater outlet threeway 14 when removing flue dust, with air blast, be connected with body of heater outlet threeway 14, can remove rapidly the flue dust that falls to smoke exhaust pipe 2.
By the design of embodiment, can save energy 16%-20%, can reduce smoke discharge amount 50%-60%.
Embodiment 2
As shown in Figure 1, in the present embodiment, be water jacket 3 cover part smoke exhaust pipes 2 with embodiment 1 difference.All the other structures are identical.By the design of embodiment, can save energy 10%-16%, can reduce smoke discharge amount 45%-50%.
Embodiment 3
As shown in Figures 2 and 3, the present embodiment system comprises body of heater 1, and described body of heater 1 comprises boiler feed water mouth 9 and boiler delivery port 8; Described body of heater 1 tip position is provided with smoke exhaust pipe 2, and the terminal position of described smoke exhaust pipe 2 is provided with air exhauster 10; On described smoke exhaust pipe 2, be coated with water jacket 3, described water jacket 3 is provided with water jacket water inlet 7 and water jacket delivery port 5.In this enforcement, body of heater 1 also comprises boiler blow-down water mouth 6, and boiler blow-down water mouth 6 is connected with water jacket delivery port 5.Described boiler delivery port 8 connects boiler discharging tube 18, and described boiler discharging tube 18 is connected with heating tube 19, and described heating tube 19 ends connect boiler blow-down water pipe 17.Smoke exhaust pipe 2 is received ground by elbow 4, and described smoke exhaust pipe 2 extends to by adaptor three-way 15 need to heat indoor 11, and described adaptor three-way 15 is provided with valve 16.Water jacket 3 covers whole smoke exhaust pipe 2.
When boiler is started working, from boiler feed water mouth 9, add water in body of heater 1, through the water heating, from boiler delivery port 8, flow out, enter into heating tube 19, heat for indoor 11, from water jacket water inlet 7, flow into water jackets 3 after flowing into boiler blow-down water pipe 17 after the hot water heat loss after heating.Water jacket 3 covers the heat that can fully absorb the flue dust of burning generation on smoke exhaust pipe 2, the water of heating water jacket 3 the insides, water after heating is heated for indoor 11 again, by water jacket delivery port 5, from boiler blow-down water mouth 6, enter body of heater 1, by boiler delivery port 8, flow into boiler discharging tube 18 together with the interior heated water of body of heater 1, flow into again heating tube 19, for indoor 11, heat, hot water heat loss after heating, finally from hot-water line 19 ends flow into boiler blow-down water pipe 17, again enter water jacket 3 heating, recycle water resource; Unnecessary heat also can stay within the temperature in hot room simultaneously, flue dust is through smoke exhaust pipe 2, by smoke exhaust pipe 22, discharge, after elbow 4 and elbow 12, obtain certain buffering, major part can be deposited in smoke exhaust pipe 2, has reduced the discharge capacity of flue dust, opens the valve 16 of adaptor three-way 15 when removing flue dust, with air blast, be connected with adaptor three-way 15, can remove rapidly the flue dust that falls to smoke exhaust pipe 2.
By the design of embodiment, can save energy 16%-20%, can reduce smoke discharge amount 50%-60%.
Embodiment 4
As shown in Figure 2, in the present embodiment, be water jacket 3 cover part smoke exhaust pipes 2 with embodiment 3 differences.All the other structures are identical.By the design of embodiment, can save energy 10%-16%, can reduce smoke discharge amount 45%-50%.

Claims (10)

1. a residual heat from boiler fume recycling system, is characterized in that: comprise body of heater (1), described body of heater (1) comprises boiler feed water mouth (9) and boiler delivery port (8); Described body of heater (1) tip position is provided with smoke exhaust pipe (2), and the terminal position of described smoke exhaust pipe (2) is provided with air exhauster (10); On described smoke exhaust pipe (2), be coated with water jacket (3), described water jacket (3) is provided with water jacket water inlet (7) and water jacket delivery port (5).
2. a kind of residual heat from boiler fume recycling system according to claim 1, is characterized in that: described boiler delivery port (8) is connected with boiler discharging tube (18), and described boiler discharging tube (18) is connected with heating tube (19).
3. a kind of residual heat from boiler fume recycling system according to claim 2, is characterized in that: described heating tube (19) is through indoor (11), and described heating tube (19) end is connected with boiler blow-down water pipe (17).
4. a kind of residual heat from boiler fume recycling system according to claim 3, is characterized in that: described boiler blow-down water pipe (17) one end connects water jacket water inlet (7).
5. a kind of residual heat from boiler fume recycling system according to claim 1, is characterized in that: described body of heater (1) also comprises boiler blow-down water mouth (6).
6. a kind of residual heat from boiler fume recycling system according to claim 5, is characterized in that: described boiler blow-down water mouth (6) is connected with water jacket delivery port (5).
7. a kind of residual heat from boiler fume recycling system according to claim 1, is characterized in that: described smoke exhaust pipe (2) is received ground by elbow (4), and smoke exhaust pipe (2) end is connected with smoke exhaust pipe (22) by elbow (12).
8. a kind of residual heat from boiler fume recycling system according to claim 1, is characterized in that: described smoke exhaust pipe (2) exports threeway (14) by body of heater and is connected with body of heater (1), and described body of heater outlet threeway (14) is provided with valve (13).
9. a kind of residual heat from boiler fume recycling system according to claim 8, is characterized in that: described smoke exhaust pipe (2) extends to indoor (11) that need to heat by adaptor three-way (15), described adaptor three-way (15) is provided with valve (16).
10. a kind of residual heat from boiler fume recycling system according to claim 9, is characterized in that: described water jacket (3) covers whole smoke exhaust pipe (2) or cover part smoke exhaust pipe (2).
CN201420181107.6U 2014-04-15 2014-04-15 Flue gas waste heat recycling system for boiler Expired - Fee Related CN203771707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420181107.6U CN203771707U (en) 2014-04-15 2014-04-15 Flue gas waste heat recycling system for boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420181107.6U CN203771707U (en) 2014-04-15 2014-04-15 Flue gas waste heat recycling system for boiler

Publications (1)

Publication Number Publication Date
CN203771707U true CN203771707U (en) 2014-08-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420181107.6U Expired - Fee Related CN203771707U (en) 2014-04-15 2014-04-15 Flue gas waste heat recycling system for boiler

Country Status (1)

Country Link
CN (1) CN203771707U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500517A (en) * 2016-12-26 2017-03-15 郑州游爱网络技术有限公司 A kind of Industrial Boiler flue gas heat recovery device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500517A (en) * 2016-12-26 2017-03-15 郑州游爱网络技术有限公司 A kind of Industrial Boiler flue gas heat recovery device
CN106500517B (en) * 2016-12-26 2018-10-02 博瑞特热能设备股份有限公司 A kind of Industrial Boiler flue gas heat recovery device

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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: 20140813

Termination date: 20150415

EXPY Termination of patent right or utility model