CN204757012U - Waste heat recovery's return air stove can carry out - Google Patents
Waste heat recovery's return air stove can carry out Download PDFInfo
- Publication number
- CN204757012U CN204757012U CN201520346847.5U CN201520346847U CN204757012U CN 204757012 U CN204757012 U CN 204757012U CN 201520346847 U CN201520346847 U CN 201520346847U CN 204757012 U CN204757012 U CN 204757012U
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- China
- Prior art keywords
- water
- heater
- ashes
- heat exchanger
- burner hearth
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- Expired - Fee Related
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Abstract
The utility model discloses a waste heat recovery's return air stove can carry out, including stove outer covering, tobacco pipe and sediment water heat exchanger, being provided with the furnace body in the stove outer covering, being provided with furnace and ashes room in the furnace body, the ashes room is provided with the ash bin, and inside notes of ash bin has water, and sediment water heat exchanger sets up the aquatic in the ash bin, and sediment water heat exchanger constitutes a closed circulation pipeline through pipeline and the heat storage water tank of arranging the outside in, is equipped with valve and water pump on the pipeline, the heat storage water tank still is connected with the controller of its inside temperature of control, furnace be provided with feed tray, the ashes room is provided with the ashes mouth, is provided with the grate between furnace and the ashes room. The utility model discloses a heat exchange of sediment water heat exchanger in with the ash bin comes out, and then gets up to be arranged in to heat the water of heat storage water tank with this part heat recovery, and the water in the heat storage water tank can be used to for staff's bathing, heating etc. In the boiler room to the saving utilization of the energy has been realized.
Description
Technical field
The utility model relates to boiler plant technical field, specifically a kind of air return stove carrying out waste heat recovery.
Background technology
Current boiler, after lighting a fire, stove and accessory environment temperature raises from lower to upper, the heat that fuel produces, and the tail gas that a part is produced by burning is discharged through exhaust outlet.Exhaust outlet is generally arranged on the top of shaft, and this heat just making fuel produce can not be utilized more fully.And in fuel combustion process, the temperature increase of shaft and boiler face is comparatively large, and the temperature increase of whole stove seat not obvious.In addition; it is danger close that slag in boiler after coal burning discharges at relatively high temperatures; usual way be slag is placed in special except after carrying out cooling down in the water of slag chute; again slag is circulated by scraper plate and taken away; like this except the water in slag chute can keep 70 degrees centigrade usually, but this part heat removed in slag chute of current existing boiler room is not all recycled substantially; but directly evaporate in atmosphere, define very large energy waste.
Utility model content
The purpose of this utility model is to provide a kind of air return stove carrying out waste heat recovery, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of air return stove carrying out waste heat recovery, comprise furnace shell, smoke pipe and slag-water heat exchanger, body of heater is provided with in described furnace shell, burner hearth and ashes room is provided with in body of heater, ashes room is provided with ash bin, ash bin inside is marked with water, slag-water heat exchanger is arranged in the water in ash bin, slag-water heat exchanger by pipeline be placed in outside heat storage water tank and form a closed circulation line, pipeline is provided with valve and water pump, described heat storage water tank is also connected with the controller controlling its water temperature inside, described burner hearth is provided with feeding port, ashes room is provided with ashes mouth, fire grate is provided with between burner hearth and ashes room, cavity is provided with between described furnace shell and body of heater, furnace shell top be provided with bell and bell higher than body of heater, the surrounding of body of heater is provided with hot-water line, the top of body of heater is provided with delivery port, bottom is provided with water inlet, described furnace shell is provided with smoke pipe, smoke pipe is connected with cavity.
As further program of the utility model: the inwall of described burner hearth is provided with fire-resistant soil layer, between fire-resistant soil layer and burner hearth, secondary wind inleting tube is set, is connected with ashes room bottom secondary wind inleting tube.
As the utility model further scheme: the inwall of described fire-resistant soil layer is provided with pipe with spiral pipe, and pipe with spiral pipe is connected with hot-water line.
Compared with prior art, the utility model structure is simple, rationally, easy to use, adopt and cavity is set between furnace shell and body of heater, and at body of heater outer setting hot-water line, burner hearth heating pipe can be made like this, the flue gas produced upwards flows and to be flowed out by smoke pipe through cavity, post bake can be carried out to hot-water line at flue gas simultaneously, and be also provided with pipe with spiral pipe in burner hearth, the heat of burner hearth and fume afterheat are effectively utilized, improve heat utilization efficiency, in addition, between burner hearth and fire-resistant soil layer, secondary wind inleting tube is set, secondary wind inleting tube is when coal burns, carry out secondary air feed, improve burning of coal efficiency, burn vigorous, firepower is pure, the thermal efficiency is high, the utility model by slag-water heat exchanger by the exchange heat in ash bin out, and then this part heat recovery is got up for heating the water in heat storage water tank, water in heat storage water tank can be used for employee's bathing, heating etc. in boiler room, thus the saving achieving the energy utilizes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
In figure: 1-furnace shell, 2-smoke pipe, 3-body of heater, 4-burner hearth, 5-ashes room, 6-cavity, 7-bell, 8-feeding port, 9-ashes mouth, 10-fire grate, 11-hot-water line, 12-delivery port, 13-water inlet, the fire-resistant soil layer of 14-, 15-secondary wind inleting tube, 16-pipe with spiral pipe, 17-ash bin, 18-valve, 19-water pump, 20-heat storage water tank, 21-slag-water heat exchanger, 22-pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of air return stove carrying out waste heat recovery, comprise furnace shell 1, smoke pipe 2 and slag-water heat exchanger 21, body of heater 3 is provided with in described furnace shell 1, burner hearth 4 and ashes room 5 is provided with in body of heater 3, ashes room 5 is provided with ash bin 17, ash bin 17 inside is marked with water, slag-water heat exchanger 21 is arranged in the water in ash bin 17, slag-water heat exchanger 21 is for by the exchange heat of water in ash bin 17 out, slag-water heat exchanger 21 by pipeline 22 be placed in outside heat storage water tank 20 and form a closed circulation line, the water of its internal reservoir heats by the heat exchanged for slag-water heat exchanger 21, pipeline is provided with valve 18 and water pump 19, described heat storage water tank 20 is also connected with the controller controlling its water temperature inside, by slag-water heat exchanger 21 by the exchange heat in ash bin out, and then this part heat recovery is got up for heating the water in heat storage water tank 20, water in heat storage water tank 20 can be used for employee's bathing in boiler room, heating etc., thus the saving achieving the energy utilizes, described burner hearth 4 is provided with feeding port 8, the inwall of burner hearth 4 is provided with fire-resistant soil layer 14, between fire-resistant soil layer 14 and burner hearth 4, secondary wind inleting tube 15 is set, be connected with ashes room 5 bottom secondary wind inleting tube 15, the inwall of fire-resistant soil layer 14 is provided with pipe with spiral pipe 16, pipe with spiral pipe 16 is connected with hot-water line, ashes room 5 is provided with ashes mouth 9, fire grate 10 is provided with between burner hearth 4 and ashes room 5, cavity 6 is provided with between described furnace shell 1 and body of heater 3, furnace shell 1 top be provided with bell 7 and bell 7 higher than body of heater 3, the surrounding of body of heater 3 is provided with hot-water line 11, the top of body of heater 3 is provided with delivery port 12, bottom is provided with water inlet 13, described furnace shell 1 is provided with smoke pipe 2, smoke pipe 2 is connected with cavity 6, adopt and cavity 6 is set between furnace shell 1 and body of heater 3, and at body of heater 3 outer setting hot-water line 11, burner hearth 4 heating pipe can be made like this, the flue gas produced upwards flows and to be flowed out by smoke pipe 2 through cavity, post bake can be carried out to hot-water line 11 at flue gas simultaneously, and be also provided with pipe with spiral pipe 16 in burner hearth 4, the heat of burner hearth 4 and fume afterheat are effectively utilized, improve heat utilization efficiency, in addition, secondary wind inleting tube 15 is set between burner hearth 4 and fire-resistant soil layer 14, secondary wind inleting tube 15 is when coal burns, carry out secondary air feed, improve burning of coal efficiency, burn vigorous, firepower is pure, the thermal efficiency is high.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. one kind can be carried out the air return stove of waste heat recovery, comprise furnace shell, smoke pipe and slag-water heat exchanger, it is characterized in that, body of heater is provided with in described furnace shell, burner hearth and ashes room is provided with in body of heater, ashes room is provided with ash bin, ash bin inside is marked with water, slag-water heat exchanger is arranged in the water in ash bin, slag-water heat exchanger by pipeline be placed in outside heat storage water tank and form a closed circulation line, pipeline is provided with valve and water pump, described heat storage water tank is also connected with the controller controlling its water temperature inside, described burner hearth is provided with feeding port, ashes room is provided with ashes mouth, fire grate is provided with between burner hearth and ashes room, cavity is provided with between described furnace shell and body of heater, furnace shell top be provided with bell and bell higher than body of heater, the surrounding of body of heater is provided with hot-water line, the top of body of heater is provided with delivery port, bottom is provided with water inlet, described furnace shell is provided with smoke pipe, smoke pipe is connected with cavity.
2. a kind of air return stove carrying out waste heat recovery according to claim 1, is characterized in that, the inwall of described burner hearth is provided with fire-resistant soil layer, arranges secondary wind inleting tube between fire-resistant soil layer and burner hearth, is connected bottom secondary wind inleting tube with ashes room.
3. a kind of air return stove carrying out waste heat recovery according to claim 2, is characterized in that, the inwall of described fire-resistant soil layer is provided with pipe with spiral pipe, and pipe with spiral pipe is connected with hot-water line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346847.5U CN204757012U (en) | 2015-05-26 | 2015-05-26 | Waste heat recovery's return air stove can carry out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346847.5U CN204757012U (en) | 2015-05-26 | 2015-05-26 | Waste heat recovery's return air stove can carry out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204757012U true CN204757012U (en) | 2015-11-11 |
Family
ID=54471715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520346847.5U Expired - Fee Related CN204757012U (en) | 2015-05-26 | 2015-05-26 | Waste heat recovery's return air stove can carry out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204757012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848262A (en) * | 2015-05-26 | 2015-08-19 | 苏州福利恒电子科技有限公司 | Return air furnace capable of recycling waste heat |
| WO2023212980A1 (en) * | 2022-05-06 | 2023-11-09 | 天津大学滨海工业研究院有限公司 | Environmentally-friendly coal boiler |
-
2015
- 2015-05-26 CN CN201520346847.5U patent/CN204757012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848262A (en) * | 2015-05-26 | 2015-08-19 | 苏州福利恒电子科技有限公司 | Return air furnace capable of recycling waste heat |
| WO2023212980A1 (en) * | 2022-05-06 | 2023-11-09 | 天津大学滨海工业研究院有限公司 | Environmentally-friendly coal 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: 20151111 Termination date: 20160526 |