CN110530019A - A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove - Google Patents
A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove Download PDFInfo
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- CN110530019A CN110530019A CN201910531162.0A CN201910531162A CN110530019A CN 110530019 A CN110530019 A CN 110530019A CN 201910531162 A CN201910531162 A CN 201910531162A CN 110530019 A CN110530019 A CN 110530019A
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- air inlet
- furnace chamber
- hot
- heat accumulation
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000009825 accumulation Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000002918 waste heat Substances 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 230000001172 regenerating effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/045—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using fluid fuel
- F24H7/0458—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using fluid fuel the transfer fluid being air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1881—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove, comprising: furnace chamber, side are provided with air inlet and return air inlet, and inside bottom is provided with furnace indoor air inlet, and inside top is provided with return air inlet in furnace chamber；Heat accumulation room is arranged in furnace chamber side, and top is provided with air inlet, and bottom is provided with gas outlet, and gas outlet is connected to the air inlet of furnace chamber, is additionally provided with exhaust pipe；Water storage box, for carrying out waste heat recycling, setting passes through water storage box axis in furnace chamber side, heat accumulation room front, exhaust pipe；Combustor is arranged for heating heat accumulation room in heat accumulation outside side；High temperature circulation blower fan is arranged in heat accumulation ceiling portion, and first end is connected to heat accumulation room air inlet, and second end is connected to furnace chamber return air inlet.The waste heat that recycling combustor output can be stablized using this hot-blast stove, the heat output that can stablize regenerative chamber are reduced overall energy consumption, reduce the use cost of equipment, reduced combustor switching on and shutting down number and extend the combustor service life.
Description
Technical field
The present invention relates to hot-blast stove fields, and in particular to a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove.
Background technique
Currently, hot-blast stove has been quoted in the multiple fields in China extensively as thermal power machinery, it has become electric heating
The regeneration product in source and conventional vapor power heat source, need high temperature drying, baking and the field of operation of heating mostly use through
High temperature air after hot wind stove heating is realized.Existing hot-blast stove mostly uses brick masonry, fixes, and bulky, investment
At high cost, waste money belongs to disposable apparatus, immovable, causes limitation to production.
Chinese publication CN 208887105U, publication date on May 21st, 2019, utility model title hot-blast stove, this
Utility model discloses a kind of hot-blast stove, belongs to hot-blast furnace equipment technical field, including heat accumulation room, connects on the side wall of the heat accumulation room
It is connected to hot air pipe, connector is equipped between the hot air pipe and heat accumulation room side wall, the connector includes for connecting
The connecting cylinder of hot air pipe is stated, the outer sheath of described connecting cylinder one end is equipped with the fixation for being fixed in the hot wind furnace sidewall
Cylinder, the internal diameter of the fixed cylinder are greater than the outer diameter of the connecting cylinder, and the fixed cylinder is fixed on the side wall of the heat accumulation room, this
It designs and can avoid heat accumulation room sidewall rupture, guarantee going on smoothly for production work.
But its shortcoming is that this hot-blast stove needs to connect regenerative chamber and furnace chamber by steel pipe, and steel pipe is due to cold and hot
Contraction is easily damaged, and this hot-blast stove can not utilize waste heat, can generate a large amount of energy wave in process of production
Take.
Summary of the invention
When being heated the present invention be directed to existing hot-blast stove using combustion chamber, extra heat can be discharged from burning waste gas and make
That designs at energy waste increases the hot-blast stove of residual neat recovering system on the basis of original hot-blast stove.
A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove, comprising:
Furnace chamber, side are provided with air inlet and return air inlet, and inside bottom is provided with furnace indoor air inlet, and inside top is provided with
Return air inlet in furnace chamber；
Heat accumulation room is arranged in furnace chamber side, and top is provided with air inlet, and bottom is provided with gas outlet, gas outlet and furnace chamber into
Air port connection, is additionally provided with exhaust pipe；
Water storage box, for carrying out waste heat recycling, setting passes through water storage box axis in furnace chamber side, heat accumulation room front, exhaust pipe；
Combustor is arranged for heating heat accumulation room in heat accumulation outside side；
High temperature circulation blower fan is arranged in heat accumulation ceiling portion, and first end is connected to heat accumulation room air inlet, second end and furnace chamber return air inlet
Connection.
The principle of hot-blast stove work is to make furnace chamber by generating hot-air in heat accumulation room, and hot-air importing furnace chamber
Inside includes heating object thermally equivalent；And heat accumulation room generally selects the combustor of arc ignition as the device for generating thermal energy.
Combustor can produce a large amount of heat in burning and carry out heat exchange by heating inner liner and heat accumulation room, and more heats need
It is the atmospheric heat of heat accumulation room the converting heat of burning hot gas by external heat exchange device for air, after-flame gas then can
It is discharged from exhaust pipe.But heat is had in this way from loss in gas into atmosphere, it is high that thermal losses is not only resulted in this way
Problem, high-temperature gas also adversely affect environment.Therefore water storage box has been installed additional for recycling taking for combustor discharge gas
Band temperature, the carrying heat water tank that can use discharge gas in this way are utilized waste heat.
Preferably, the heat accumulation room, comprising:
Heat-exchanging chamber insulating layer is in cuboid, is arranged in furnace chamber side；
Heating inner liner is arranged in heat-exchanging chamber insulating layer inside bottom, is connected to combustor bright eruption mouth；
Back-fire relief baffle is arranged non-burning inside heating inner liner for stopping heating air to make heat siltation in heating inner liner
Pusher side；
Hot gas heat exchanger tube is arranged at the top of heating inner liner, and first end is connected to heating inner liner back-fire relief baffle side, second end and exhaust
Pipe connection.
Hot gas heat exchanger tube is increased in order to reinforce the heat exchanger effectiveness of gas, so that the heat not exchanged heat completely in heating inner liner
The heat exchange of gas further progress, and it is quick then to reduce the hot gas that the straight fire of combustor generates in the back-fire relief baffle of heating inner liner setting
The rate of discharge enables heat to concentrate in heating inner liner and hot air temperature is further promoted.
Preferably, the water storage box, comprising:
Water tank box is in cylindrical body, and bottom sides are provided with water outlet, and top-side is provided with water inlet, water tank box outside
It is provided with insulating layer；
Ring cover, setting are greater than exhaust pipe in water tank box top center, diameter；
Heat exchanger is arranged on water tank box central axis, and exchanger base is fixedly connected with water tank box bottom, heat exchanger bottom
Portion is connected to exhaust pipe, is connected at the top of heat exchanger with the exhaust pipe in preparation tank.
Heat exchanger can effectively reinforce the heat exchange efficiency of air and water, and be conducive to recuperation of heat from the mode of upper water inlet.
Exhaust pipe is passed through water storage box and can also directly be inverted into addition to using heat exchanger, and mode, in this way can be to combustion such as drexel bottle
It burns room exhaust gas and carries out gas washing filtering, but external clear water tanks is needed to exchange heat with gas washing water tank, therefore this programme is using heat exchange
Device, heat exchanger scenario-frame are simple.
Preferably, the exhaust pipe is arranged vertically upward；The bottom of the water storage box should be higher than heat accumulation room and arrange
The initial position of tracheae.
Preferably, being provided with electric-control valve plate on the furnace indoor air inlet.
Preferably, being additionally provided with sliding rail in the furnace chamber.
Substantial effect of the invention is can to stablize the waste heat of recycling combustor output, can stablize regenerative chamber
Heat output, reduce overall energy consumption, reduce the use cost of equipment, reduce combustor switching on and shutting down number and extend combustor
Service life.
Detailed description of the invention
Whole front schematic view Fig. 1 of the invention；
Whole side schematic view Fig. 2 of the invention；
Water storage box interior profile schematic diagram Fig. 3 of the invention；
Schematical top view Fig. 4 of the invention；
Whole cut-away view Fig. 5 of the invention；
In figure: 1, furnace chamber insulating layer, 2, explosion proof door, 3, sliding rail, 4, water tank box, 5, heat exchanger, 6, exhaust pipe, 7, into
The mouth of a river, 8, water outlet, 9, backwind tube, 10, blast pipe, 11, ring cover, 12, heat-exchanging chamber insulating layer 13, high temperature circulation blower fan,
16, heating inner liner, 17, back-fire relief baffle, 18, heat exchanger tube, 19, return air inlet in furnace chamber, 20, furnace indoor air inlet, 21, combustor.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.
Embodiment 1
As shown in Figure 1, Figure 2, Fig. 4 and a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove shown in fig. 5, comprising:
Furnace chamber is in cuboid, and front is provided with explosion proof door 2, and bottom is provided with sliding rail 3, can quickly be handed over by sliding rail
Heating article is changed, side is provided with air inlet and return air inlet, and inside bottom is provided with furnace indoor air inlet 20, and inside top is set
It is equipped with return air inlet 19 in furnace chamber；
Heat accumulation room is in cuboid, and length, width and height are respectively less than furnace chamber, and setting is affixed in furnace chamber side with furnace chamber, and top is provided with air inlet
Mouthful, bottom is provided with gas outlet, and gas outlet is connected to the air inlet of furnace chamber, is additionally provided with exhaust pipe 6；
Water storage box is in cylindrical body, for carrying out waste heat recycling, by shelf setting in furnace chamber side, heat accumulation room front, exhaust pipe
6 pass through water storage box axis；
Combustor 21 is arranged for heating heat accumulation room in heat accumulation outside side；
High temperature circulation blower fan 13 is arranged in heat accumulation ceiling portion, and first end is connected to heat accumulation room air inlet, second end and furnace chamber return air
Mouth connection.
The combustor 21 generally uses gas engine.
When furnace chamber works, the work of high temperature circulation blower fan 13 is from furnace chamber exhausting and is input to heat accumulation room, hot-air in heat accumulation room
Enter furnace chamber by air inlet and workpiece, the return air inlet out of furnace chamber at the top of furnace chamber are heated in blowout upwards from furnace indoor air inlet 20
19 enter backwind tube 9 and are again introduced into heat accumulation room completion air circulation by the extraction of high temperature circulation blower fan 13.And it is stored up in air circulation
The heat that the indoor air of heat carries can heated oven chamber, and in furnace chamber the air of relatively lower temp return be again introduced into heat accumulation room into
Row heating.
The principle of hot-blast stove work is to make furnace chamber by generating hot-air in heat accumulation room, and hot-air importing furnace chamber
Inside includes heating object thermally equivalent；And heat accumulation room generally selects the combustor 21 of arc ignition as the dress for generating thermal energy
It sets.Combustor 21 can produce a large amount of heat in burning and carry out heat exchange by heating inner liner 16 and heat accumulation room, more
Heat is needed through external heat exchange device for air come the atmospheric heat the converting heat of burning hot gas for heat accumulation room, after-flame
Gas can then be discharged from exhaust pipe 6.But heat is had in this way from loss in gas into atmosphere, heat is not only resulted in this way
High problem is lost, high-temperature gas also adversely affects environment.Therefore water storage box has been installed additional for recycling 21 row of combustor
The carrying temperature of gas out, the carrying heat water tank that can use discharge gas in this way are utilized waste heat.
The heat accumulation room, comprising:
Heat-exchanging chamber insulating layer 12 is in cuboid, is arranged in furnace chamber side；
Heating inner liner 16 is arranged in 12 inside bottom of heat-exchanging chamber insulating layer, is connected to 21 bright eruption mouth of combustor；
Back-fire relief baffle 17 is arranged inside heating inner liner 16 for stopping heating air to make heat siltation in heating inner liner 16
Non-burning 21 side of machine；
Hot gas heat exchanger tube 18, setting are connected in 16 top of heating inner liner, first end with 16 back-fire relief baffle of heating inner liner, 17 side, and second
End is connected to exhaust pipe 6.
The heating inner liner 16 is generally using steel inner container and to be fixed on heat accumulation room center by bottom bracket on the lower side
Position.
Combustor 21 is connected to heating inner liner 16, and at work, the flame for generation of burning can enter heating to combustor 21
In liner 16 and heating inner liner 16 and inner air are heated, increases hot gas heat exchanger tube to reinforce the heat exchanger effectiveness of gas
18, so that the hot gas further progress heat exchange not exchanged heat completely in heating inner liner 16, and the back-fire relief gear being arranged in heating inner liner 16
Plate 17, which can then reduce the rate that the hot gas that the straight fire of combustor 21 generates quickly is discharged, enables heat to concentrate in heating inner liner 16
And hot air temperature is further promoted.
Water storage box as shown in Figure 3, comprising:
Water tank box 4 is in cylindrical body, and bottom sides are provided with water outlet 8, and top-side is provided with water inlet 7, water tank box 4
Outside is provided with insulating layer；
Ring cover 11, setting are greater than exhaust pipe 6 in 4 top center of water tank box, diameter；
Heat exchanger 5 is arranged on 4 central axis of water tank box, and 5 bottom of heat exchanger is fixedly connected with 4 bottom of water tank box, heat exchange
5 bottom of device is connected to exhaust pipe 6, and 5 top of heat exchanger is connected to the exhaust pipe 6 in preparation tank.
Heat exchanger 5 can effectively reinforce the heat exchange efficiency of air and water, and be conducive to recuperation of heat from the mode of upper water inlet.
Exhaust pipe 6 is passed through water storage box and can also directly be inverted into addition to using heat exchanger 5, and mode, in this way can be right such as drexel bottle
Waste gas of combustion chamber carries out gas washing filtering, but external clear water tanks is needed to exchange heat with gas washing water tank, therefore this programme is used and changed
Hot device 5,5 scenario-frame of heat exchanger are simple.No matter which kind of mode, the setting of water storage box can be to heat accumulation room full utilization
Heat recycle and secondary use, and the exhaust pipe 6 that can replace heat accumulation room to water storage box is the exhaust pipe 6 into one of heat preservation
The utilization efficiency of the raising waste heat of step, reduces loss of the waste heat in exhaust pipe 6.
The exhaust pipe 6 is arranged vertically upward；The bottom of the water storage box should be higher than the first of heat accumulation chamber gas outlet 6
Beginning position.
Electric-control valve plate is provided on the furnace indoor air inlet 20.
Sliding rail 3 is additionally provided in the furnace chamber.Heater is replaced when can effectively improve blow-on using sliding rail
The speed of part.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove characterized by comprising
Furnace chamber, side are provided with air inlet and return air inlet, and inside bottom is provided with furnace indoor air inlet, and inside top is provided with
Return air inlet in furnace chamber；
Heat accumulation room is arranged in furnace chamber side, and top is provided with air inlet, and bottom is provided with gas outlet, gas outlet and furnace chamber into
Air port connection, is additionally provided with exhaust pipe；
Water storage box, for carrying out waste heat recycling, setting passes through water storage box axis in furnace chamber side, heat accumulation room front, exhaust pipe；
Combustor is arranged for heating heat accumulation room in heat accumulation outside side；
High temperature circulation blower fan is arranged in heat accumulation ceiling portion, and first end is connected to heat accumulation room air inlet, second end and furnace chamber return air inlet
Connection.
2. a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove according to claim 1, which is characterized in that the heat accumulation room, comprising:
Heat-exchanging chamber insulating layer is in cuboid, is arranged in furnace chamber side；
Heating inner liner is arranged in heat-exchanging chamber insulating layer inside bottom, is connected to combustor bright eruption mouth；
Back-fire relief baffle is arranged non-burning inside heating inner liner for stopping heating air to make heat siltation in heating inner liner
Pusher side；
Hot gas heat exchanger tube is arranged at the top of heating inner liner, and first end is connected to heating inner liner back-fire relief baffle side, second end and exhaust
Pipe connection.
3. a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove according to claim 1 or 2, which is characterized in that the water storage box, comprising:
Water tank box is in cylindrical body, and bottom sides are provided with water outlet, and top-side is provided with water inlet, water tank box outside
It is provided with insulating layer；
Ring cover, setting are greater than exhaust pipe in water tank box top center, diameter；
Heat exchanger is arranged on water tank box central axis, and exchanger base is fixedly connected with water tank box bottom, heat exchanger bottom
Portion is connected to exhaust pipe.
4. a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove according to claim 2, which is characterized in that the exhaust pipe is set vertically upward
It sets；
The bottom of the water storage box should be higher than the initial position of heat accumulation chamber gas outlet.
5. a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove according to claim 1, which is characterized in that set on the furnace indoor air inlet
It is equipped with electric-control valve plate.
6. a kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove according to claim 5, which is characterized in that be additionally provided with cunning in the furnace chamber
Dynamic rail road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531162.0A CN110530019A (en) | 2019-06-19 | 2019-06-19 | A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531162.0A CN110530019A (en) | 2019-06-19 | 2019-06-19 | A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110530019A true CN110530019A (en) | 2019-12-03 |
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ID=68659447
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531162.0A Pending CN110530019A (en) | 2019-06-19 | 2019-06-19 | A kind of UTILIZATION OF VESIDUAL HEAT IN hot-blast stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280512A (en) * | 2021-04-28 | 2021-08-20 | 吉林市富永源化工有限公司 | Heat-storage hot water boiler |
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|---|---|---|---|---|
| KR100712619B1 (en) * | 2006-10-27 | 2007-05-02 | 오충근 | Air heater generating a hot water by the use of waste heat |
| CN205843229U (en) * | 2016-06-23 | 2016-12-28 | 三明市鸿达智能农业设备有限公司 | A kind of hot air circulation material drying machine |
| CN106556139A (en) * | 2016-12-07 | 2017-04-05 | 凤城市宏宇锅炉制造有限公司 | Oil/natural-gas-firehot-blast hot-blast environment-friendlyboiler boiler |
| CN208186843U (en) * | 2018-05-08 | 2018-12-04 | 周口市远大太康锅炉有限公司 | A kind of flue gas heat recovery boiler |
| CN210441448U (en) * | 2019-06-19 | 2020-05-01 | 杭州新舟机械设备有限公司 | Waste heat utilization hot blast stove |
-
2019
- 2019-06-19 CN CN201910531162.0A patent/CN110530019A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| KR100712619B1 (en) * | 2006-10-27 | 2007-05-02 | 오충근 | Air heater generating a hot water by the use of waste heat |
| CN205843229U (en) * | 2016-06-23 | 2016-12-28 | 三明市鸿达智能农业设备有限公司 | A kind of hot air circulation material drying machine |
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| Title |
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| CN113280512A (en) * | 2021-04-28 | 2021-08-20 | 吉林市富永源化工有限公司 | Heat-storage hot water boiler |
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