CN204648202U - The residual neat recovering system of boiler tail flue gas - Google Patents
The residual neat recovering system of boiler tail flue gas Download PDFInfo
- Publication number
- CN204648202U CN204648202U CN201520218232.4U CN201520218232U CN204648202U CN 204648202 U CN204648202 U CN 204648202U CN 201520218232 U CN201520218232 U CN 201520218232U CN 204648202 U CN204648202 U CN 204648202U
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- CN
- China
- Prior art keywords
- inner bag
- flue gas
- smoke
- recovering system
- waste heat
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Abstract
A kind of residual neat recovering system of boiler tail flue gas, comprise smoke settlement portion and waste heat recovery portion, described waste heat recovery portion is arranged at the top in smoke settlement portion, the side in described smoke settlement portion is provided with smoke inlet, the upper end in smoke settlement portion is provided with exhanst gas outlet, described waste heat recovery portion comprises cylindric shell and is positioned at the tubular inner bag of shell, the lower end of described inner bag and the exhanst gas outlet adaptation in smoke settlement portion are to introduce inner bag by flue gas, the upper end of described inner bag forms flue gas discharge opening, the heating region of ring-type is formed between described shell and inner bag, the bottom in described waste heat recovery portion is provided with a water inlet pipe, top is provided with an outlet pipe, described outlet pipe is communicated to elevated tank, thus, the utility model structure is simple, easy to operate, reclaims the flue gas heat of boiler tail, and by the setting of inner bag and horizontal water tube, realizes higher heat exchange efficiency, better save energy and reduce the cost.
Description
Technical field
The utility model relates to the technical field that boiler afterheat reclaims, particularly relate to a kind of there is higher heat exchange efficiency, the residual neat recovering system of the boiler tail flue gas that plays effect of energy.
Background technology
In industrial enterprise, boiler is important energy consumption equipment, effectively utilizes waste heat of boiler tail gas, improves the efficiency of boiler, and reduce exhaust gas temperature, be the emphasis of work always.The exhaust gas temperature that Mist heat recovering reduces boiler is effective energy saving means.
In general small-sized industrial boiler, the waste heat of afterbody mainly to absorb heat reduction exhaust gas temperature as convection heating surface by cast iron type economizer, but the easier dust stratification of this economizer, stifled ash affect heat-transfer effect, add miniature boiler to be generally and to be interrupted feedwater, because the temperature difference is large during boiler feed water, the economizer exhaust gas temperature that easily absorbs heat can reduce, once stop feedwater, high-temperature tail gas can not be utilized recovery, and high-temperature flue gas is just directly discharged, and energy waste is larger.
For this reason, designer of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of residual neat recovering system of boiler tail flue gas, to overcome above-mentioned defect.
Utility model content
The purpose of this utility model is the residual neat recovering system providing a kind of boiler tail flue gas, and its structure is simple, easy to operate, and reclaims the flue gas heat of boiler tail, and has higher heat exchange efficiency, plays good effect of energy.
For solving the problem, the utility model discloses a kind of residual neat recovering system of boiler tail flue gas, comprising smoke settlement portion and waste heat recovery portion, it is characterized in that:
Described waste heat recovery portion is arranged at the top in smoke settlement portion, the side in described smoke settlement portion is provided with smoke inlet, the upper end in smoke settlement portion is provided with exhanst gas outlet, described waste heat recovery portion comprises cylindric shell and is positioned at the tubular inner bag of shell, the lower end of described inner bag and the exhanst gas outlet adaptation in smoke settlement portion are to introduce inner bag by flue gas, the upper end of described inner bag forms flue gas discharge opening, the heating region of ring-type is formed between described shell and inner bag, the bottom in described waste heat recovery portion is provided with a water inlet pipe, top is provided with an outlet pipe, described outlet pipe is communicated to elevated tank.
Wherein: described water inlet pipe and outlet pipe are equipped with flow control valve.
Wherein: in described inner bag, be provided with many horizontal water tubes, each horizontal water tube spaced and parallel arrangement in vertical direction be communicated with the heating region of both sides.
Wherein: each horizontal water tube is the setting that is inclined upwardly from the side of water inlet pipe towards outlet pipe.
Wherein: the angle of inclination of each horizontal water tube is 10-20 degree.
Wherein: the angle of inclination of each horizontal water tube is 14 degree.
Wherein: described smoke settlement portion is provided with shoot door.
Known by said structure, the residual neat recovering system of boiler tail flue gas of the present utility model has following effect:
1, structure is simple, easy to operate, reclaims the flue gas heat of boiler tail;
2, by the setting of inner bag and horizontal water tube, realize higher heat exchange efficiency, better save energy and reduce the cost.
Detailed content of the present utility model obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the residual neat recovering system of boiler tail flue gas of the present utility model.
Reference numeral:
11, smoke settlement portion; 12, waste heat recovery portion; 13, smoke inlet; 14, shoot door; 15, inner bag; 16, horizontal water tube; 17, evacuated tube; 18, water inlet pipe; 19, outlet pipe; 20, blow-off pipe.
Detailed description of the invention
See Fig. 1, show the residual neat recovering system of boiler tail flue gas of the present utility model.
The residual neat recovering system of described boiler tail flue gas comprises smoke settlement portion 11 and waste heat recovery portion 12, described waste heat recovery portion 12 is arranged at the top in smoke settlement portion 11, the side in described smoke settlement portion 11 is provided with smoke inlet 13, described smoke inlet is connected to boiler flue, so that the flue gas of boiler is introduced in waste heat recovery portion 12, the upper end in smoke settlement portion 11 is provided with exhanst gas outlet, described waste heat recovery portion 12 comprises cylindric shell and is positioned at the tubular inner bag 15 of shell, the lower end of described inner bag 15 and the exhanst gas outlet adaptation in smoke settlement portion 11 are to introduce inner bag 15 by flue gas, the upper end of described inner bag 15 forms flue gas discharge opening, the heating region of ring-type is formed between described shell and inner bag 15, the bottom in described waste heat recovery portion 12 is provided with a water inlet pipe 18, top is provided with an outlet pipe 19, described outlet pipe 19 is communicated to elevated tank, described elevated tank is communicated to boiler by a water pump.
Thus, the flue gas had surplus heat is with to enter from the smoke inlet in smoke settlement portion, after of short duration ash fall, flue gas passes from the hollow space of inner bag, liquid in heating region is heated, and liquid rises after the heating, enter elevated tank by outlet pipe.
Wherein, described water inlet pipe 18 and outlet pipe 10 are equipped with flow control valve, with effective regulates liquid flow.
Wherein, many horizontal water tubes 16 are provided with in described inner bag, the spaced and parallel arrangement in vertical direction of each horizontal water tube 16 is also communicated with the heating region of both sides, optionally, each horizontal water tube 16 is the setting that is inclined upwardly from the side of water inlet pipe 18 towards outlet pipe 19, so that the flowing of water, preferably, the angle of inclination of each horizontal water tube 16 is 10-20 degree, is preferably 14 degree.
Wherein, described smoke settlement portion 11 is provided with shoot door 14, so that remove after ash fall in flue gas.
The top in described waste heat recovery portion 12 is also provided with evacuated tube 17, so that the discharge of gas in heating region.
Hanker owing to adding, the water capacity easily produces dirt, and the bottom in described waste heat recovery portion 12 is provided with blow-off pipe 20, to be discharged by comparatively muddy and with foul for bottom water.
Known by foregoing description, flue gas after cast iron gilled tube economizer heat absorption is flow to waste-heat recovery device by the utility model, flue gas enters inner bag after being separated smoke stratification, be made up of horizontal water tube mistake row in inner bag, inside pipe wall is normal-temperature water, pipe row and inner bag heat absorption, high-temperature tail gas makes the water in retracting device heat, rise to elevated tank after water heating, the cold water in elevated tank then declines by gravity and utilizes the temperature difference to carry out hot water or cold water's exchange, and the water after heating is delivered in boiler by water pump.
In a particular application, exhaust gas temperature can be remained on about 150 DEG C by the utility model, and the water temperature of heating can reach about 80 DEG C, meet boiler operatiopn need again reduce exhaust gas temperature, and the cloth bag stable operation in the sack cleaner of afterbody can be guaranteed, be unlikely to burn out, meet energy-saving and cost-reducing requirement.
Thus, the utility model has the advantage of:
1, structure is simple, easy to operate, reclaims the flue gas heat of boiler tail;
2, by the setting of inner bag and horizontal water tube, realize higher heat exchange efficiency, better save energy and reduce the cost.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of description and the appended claim fallen into above.
Claims (7)
1. a residual neat recovering system for boiler tail flue gas, comprises smoke settlement portion and waste heat recovery portion, it is characterized in that:
Described waste heat recovery portion is arranged at the top in smoke settlement portion, the side in described smoke settlement portion is provided with smoke inlet, the upper end in smoke settlement portion is provided with exhanst gas outlet, described waste heat recovery portion comprises cylindric shell and is positioned at the tubular inner bag of shell, the lower end of described inner bag and the exhanst gas outlet adaptation in smoke settlement portion are to introduce inner bag by flue gas, the upper end of described inner bag forms flue gas discharge opening, the heating region of ring-type is formed between described shell and inner bag, the bottom in described waste heat recovery portion is provided with a water inlet pipe, top is provided with an outlet pipe, described outlet pipe is communicated to elevated tank.
2. residual neat recovering system as claimed in claim 1, is characterized in that: described water inlet pipe and outlet pipe are equipped with flow control valve.
3. residual neat recovering system as claimed in claim 1, is characterized in that: be provided with many horizontal water tubes in described inner bag, and the spaced and parallel arrangement in vertical direction of each horizontal water tube is also communicated with the heating region of both sides.
4. residual neat recovering system as claimed in claim 1, is characterized in that: each horizontal water tube is the setting that is inclined upwardly from the side of water inlet pipe towards outlet pipe.
5. residual neat recovering system as claimed in claim 4, is characterized in that: the angle of inclination of each horizontal water tube is 10-20 degree.
6. residual neat recovering system as claimed in claim 5, is characterized in that: the angle of inclination of each horizontal water tube is 14 degree.
7. residual neat recovering system as claimed in claim 1, is characterized in that: described smoke settlement portion is provided with shoot door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218232.4U CN204648202U (en) | 2015-04-13 | 2015-04-13 | The residual neat recovering system of boiler tail flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218232.4U CN204648202U (en) | 2015-04-13 | 2015-04-13 | The residual neat recovering system of boiler tail flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204648202U true CN204648202U (en) | 2015-09-16 |
Family
ID=54100951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520218232.4U Expired - Fee Related CN204648202U (en) | 2015-04-13 | 2015-04-13 | The residual neat recovering system of boiler tail flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204648202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238205A (en) * | 2017-07-27 | 2017-10-10 | 江苏丰鑫源环保集团有限公司 | A kind of heat reclamation device of heat conducting oil boiler |
| CN111238040A (en) * | 2020-02-29 | 2020-06-05 | 沈伟斌 | Layered boiler heat exchange water tank structure based on water-steam heat energy exchange |
-
2015
- 2015-04-13 CN CN201520218232.4U patent/CN204648202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238205A (en) * | 2017-07-27 | 2017-10-10 | 江苏丰鑫源环保集团有限公司 | A kind of heat reclamation device of heat conducting oil boiler |
| CN111238040A (en) * | 2020-02-29 | 2020-06-05 | 沈伟斌 | Layered boiler heat exchange water tank structure based on water-steam heat energy exchange |
| CN111238040B (en) * | 2020-02-29 | 2021-03-12 | 连云港市瑞成机械有限公司 | Layered boiler heat exchange water tank structure based on water-steam heat energy exchange |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20200413 |