CN209512278U - A kind of biomass energy-saving hot-blast stove - Google Patents

A kind of biomass energy-saving hot-blast stove Download PDF

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Publication number
CN209512278U
CN209512278U CN201821014857.9U CN201821014857U CN209512278U CN 209512278 U CN209512278 U CN 209512278U CN 201821014857 U CN201821014857 U CN 201821014857U CN 209512278 U CN209512278 U CN 209512278U
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China
Prior art keywords
hot
smoke box
burner hearth
heat
burner
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Expired - Fee Related
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CN201821014857.9U
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Chinese (zh)
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陈远志
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陈远志
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Priority to CN201821014857.9U priority Critical patent/CN209512278U/en
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Abstract

The utility model provides a kind of biomass energy-saving hot-blast stove, including hot wind furnace main body, is set to the intracorporal feeding device of furnace, burner and heat-exchanger rig;Feeding device includes the hopper that hot-blast stove body top is fixed in suspension, and hopper bottom is connected to by helixes feed equipment with the burner hearth of burner;Alternate partition is set in upper smoke box, lower smoke box and heat exchanger tube forms detour type exhaust gases passes;Hot wind furnace main body forms the hot-air channel opposite with exhaust gases passes with the space between heat-exchanger rig, burner, and air supply device is arranged in hot wind furnace main body caudal, and hot-blast outlet is arranged in nearly burner hearth side.The utility model proposes a kind of biomass energy-saving hot-blast stove, can be improved the heat utilization rate of biomass fuel, reduce the discharge of flue gas not up to standard.

Description

A kind of biomass energy-saving hot-blast stove
Technical field
The utility model relates to hot-blast stove technical fields, more particularly to a kind of biomass energy-saving hot-blast stove.
Background technique
Biomass fuel is using stalk biomass such as corn stover, straw, cotton stalks as raw material, through granulator or stalk Cuber compacting made of one kind can store, transportable renewable energy.Biomass fuel is because its calory burning is big, pollution The advantages that small, has broad prospects.
Hot-blast stove is a kind of common biomass combustion equipment, traditional hot-blast stove by furnace body, burner hearth, air blower, exhaust outlet, Chimney and combustion chamber composition, biological material burn in a combustion chamber, and air blower is blown into natural wind, natural wind and furnace into burner hearth The collision heating of thorax inner wall, forms high temperature wind, then be discharged via exhaust outlet, and flue gas caused by biomass burning is then arranged by chimney Furnace body out, the fire door that generated lime-ash then passes through on furnace body after biomass combustion are cleared up.But contain since biomass generally has The features such as water rate is high, fuel change in size is big and content of ashes is high, causes above-mentioned biomass thermal wind furnace distribution wind unfair even, fuel combustion Burn not exclusively, the thermal efficiency is low, smoke abatement and dust control is poor, discharge not environmentally the defects of.
Utility model content
The utility model proposes a kind of biomass energy-saving hot-blast stoves, and the heat utilization rate of biomass fuel can be improved, subtract The discharge of few flue gas not up to standard.
To realize above-mentioned technical purpose and the technique effect, the utility model solves by the following technical programs State problem:
A kind of biomass energy-saving hot-blast stove, including hot wind furnace main body, be set to the intracorporal feeding device of furnace, burner and Heat-exchanger rig, the feeding device include the hopper that hot-blast stove body top is fixed in suspension, and hopper bottom passes through screw feeder Device is connected to the burner hearth of burner;
The heat-exchanger rig includes the multiple groups that upper smoke box, lower smoke box, upper and lower ends are connect with upper smoke box and lower smoke box respectively Heat exchanger tube, alternate partition is arranged in upper smoke box, lower smoke box and heat exchanger tube forms detour type exhaust gases passes, the setting of upper smoke box tail end Outlet flue;The ash disposal net that the inlet end setting aperture that the heat exchanger tube is connect with lower smoke box reduces step by step, lower smoke box open up pull Formula removes ash bucket, and hot wind furnace main body opens up corresponding shoot door;
The burner includes burner hearth, the fuel grid for being set to lower furnace portion and is set to sending below burner hearth Wind apparatus, air supply device are connected to lower smoke box;
The hot wind furnace main body forms the hot wind opposite with exhaust gases passes with the space between heat-exchanger rig, burner and leads to Air supply device is arranged in road, hot wind furnace main body caudal, and hot-blast outlet is arranged in nearly burner hearth side.
In above scheme, using screw feeder mode, the problem of biomass fuel material heap heap intensively blocks charging is overcome;It is circuitous Hollow exhaust gases passes increase the heat swap time of flue gas and hot wind, and heat utilization rate is turned up;Aperture is arranged in heat exchanger tube inlet end The ash disposal net reduced step by step, lower smoke box open up drawing and pulling type except ash bucket, can clean flues step by step in grieshoch, avoid flue blockage Reduce the pressure of tail end deashing device;Exhaust gases passes and hot-air channel inverted running, can preheat hot wind, improve heat exchange Rate.
Further, the helixes feed equipment is the screw(-type) feeder between burner hearth with certain inclination angle.
To reach preferable flue gas emission index, preserve the ecological environment, purifying apparatus of smoke and fume, smog is arranged in the outlet flue Purification device side wall opens up filter element replacing casket.
For easy access burner hearth fuel situation, equipment safety performance is improved, the burner hearth sidewall opens up maintenance door, burner hearth Inner wall is coated with refractory material.
To improve heat utilization rate, extractor fan is arranged in the hot-blast outlet, and hot wind furnace main body uses heat insulation shell
The advantages of the utility model, is with effect:
1, charging gear uses screw feeder mode, overcomes the problem of biomass fuel material heap heap is intensive, and blocking is fed;
2, detour type exhaust gases passes are arranged in device, can effectively increase the heat swap time of flue gas and hot wind, and thermal energy is turned up Utilization rate;
3, the ash disposal net that reduces step by step of heat exchanger tube inlet end setting aperture, lower smoke box open up drawing and pulling type except ash bucket, can be by Grade clean flues in grieshoch, reduce tail end deashing device pressure;
4, exhaust gases passes and hot-air channel inverted running, can preheat hot wind, improve exchange rate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of biomass energy-saving hot-blast stove;
Fig. 2 is a kind of schematic diagram of internal structure of biomass energy-saving hot-blast stove;
Fig. 3 is a kind of main sectional view of biomass energy-saving hot-blast stove;
Fig. 4 is hot-blast stove back structures schematic diagram.
Figure number mark: 1, hot wind furnace main body, 1-1, shoot door, 2, feeding device, 2-1, hopper, 2-2, screw feeder dress It sets, 3, burner, 3-1, burner hearth, 3-1-1, maintenance door, 3-2, fuel grid, 3-3, air supply device, 4, heat-exchanger rig, 4-1, 4-2-1, upper smoke box, 4-2, lower smoke box remove ash bucket, 4-3, heat exchanger tube, 4-4, ash disposal net, 5, outlet flue, 6, air supply device, 7, heat Wind outlet.
Specific embodiment
The utility model is described in further detail with reference to embodiments, but the utility model is not limited to these implementations Example.
A kind of biomass energy-saving hot-blast stove described in the present embodiment, mainly by being set in the hot wind furnace main body 1 of cuboid Feeding device 2, burner 3, the heat-exchanger rig 4 of side are constituted, as shown in attached drawing 1,2.
Feeding device 2 is fixed on the hopper 2-1 on 1 top of hot wind furnace main body by suspension, connects the bottom hopper 2-1 and burner hearth The helixes feed equipment 2-2 of 3-1 is formed;Helixes feed equipment 2-2 is that the spiral between burner hearth 3-1 with certain inclination angle is given Material machine, as shown in Fig. 1.
Burner hearth 3-1 upper and lower ends are connect with upper smoke box 4-1 and the side lower smoke box 4-2 respectively, upper smoke box 4-1, smoke box 4-2, Heat exchanger tube 4-3 constitutes heat-exchanger rig 4, is placed with 4 groups of heat exchanger tube 4-3 with burner hearth 3-1 parallel direction, setting is handed in lower smoke box 4-2 The partition and heat exchanger tube 4-3 replaced forms detour type exhaust gases passes, and the outlet flue 5 of exhaust gases passes is set to upper smoke box 4-1 tail end, out The setting of mouth 5 has the purifying apparatus of smoke and fume of replaceable cartridge, as shown in Fig. 1.
Ash disposal the net 4-4, lower smoke box 4- that the inlet end setting aperture that heat exchanger tube 4-3 is connect with lower smoke box 4-2 reduces step by step 2 open up drawing and pulling type except ash bucket 4-2-1, hot wind furnace main body 1 opens up corresponding shoot door 1-1, as shown in attached drawing 1,2,3
Burner 3 includes that the burner hearth 3-1 that is connected to respectively with upper smoke box 4-1, lower smoke box 4-2 of both ends, the lower part burner hearth 3-1 are set The fuel grid 3-2 for being used to support fuel is set, burner hearth 3-1 side wall opens up maintenance door 3-1-1, and inner wall is coated with refractory material.Furnace It is connected to below thorax 3-1 with lower smoke box 4-2 and air supply device 3-3, air supply device 3-3 is air blower, as shown in Fig. 4.
It is logical that space between hot wind furnace main body 1 and heat-exchanger rig 4, burner 3 forms the hot wind opposite with exhaust gases passes Road, 1 caudal of hot wind furnace main body be arranged Blast mechanism at air supply device 6, the side nearly burner hearth 3-1 be arranged hot-blast outlet 7, the hot wind 7 setting extractor fan of outlet, hot wind furnace main body 1 use heat insulation shell.
Biomass fuel, which is entered in burner hearth 3-1 by feed bin along feeding passage, to burn, and flue gas is along upper lower smoke box and heat exchange The detour type exhaust gases passes movement that pipe 4-3 is formed, by the gas realization heat exchange in ventilation pipe 4-3 and hot-air channel, and from Outlet flue 5 is discharged;Cold wind enters in furnace body from the air supply device 6 of 1 caudal of hot wind furnace main body, and acquisition heat is contacted with heat exchanger tube 4-3 It measures and is discharged from hot-blast outlet 7.
The embodiments of the present invention is described in detail in conjunction with attached drawing above, but the utility model be not limited to it is described Embodiment.For a person skilled in the art, right in the case where not departing from the principles of the present invention and spirit These embodiments carry out a variety of change, modification, replacement and modification and still fall in the protection scope of the utility model.

Claims (5)

1. a kind of biomass energy-saving hot-blast stove, including hot wind furnace main body (1) are set to the intracorporal feeding device of furnace (2), burning dress Set (3) and heat-exchanger rig (4), it is characterised in that: the feeding device (2) includes that hot wind furnace main body (1) top is fixed in suspension Hopper (2-1), the hopper bottom (2-1) is connected to by helixes feed equipment (2-2) with the burner hearth (3-1) of burner (3);
The heat-exchanger rig (4) include upper smoke box (4-1), lower smoke box (4-2), upper and lower ends respectively with upper smoke box (4-1) and under The multiple groups heat exchanger tube (4-3) of smoke box (4-2) connection, the alternate partition of the interior setting of upper smoke box (4-1), lower smoke box (4-2) and heat exchange It manages (4-3) and forms detour type exhaust gases passes, outlet flue (5) are arranged in upper smoke box (4-1) tail end;The heat exchanger tube (4-3) and lower cigarette The ash disposal net (4-4) that the inlet end setting aperture of case (4-2) connection reduces step by step, lower smoke box (4-2) open up the ash disposal of drawing and pulling type It struggles against (4-2-1), hot wind furnace main body (1) opens up corresponding shoot door (1-1);
The burner (3) includes burner hearth (3-1), the fuel grid (3-2) for being set to the lower part burner hearth (3-1) and setting Air supply device (3-3) below burner hearth (3-1), air supply device (3-3) are connected to lower smoke box (4-2);
The hot wind furnace main body (1) forms opposite with exhaust gases passes with the space between heat-exchanger rig (4), burner (3) Air supply device (6) are arranged in hot-air channel, hot wind furnace main body (1) caudal, and hot-blast outlet (7) are arranged in the nearly burner hearth side (3-1).
2. a kind of biomass energy-saving hot-blast stove according to claim 1, it is characterised in that: the helixes feed equipment (2- It 2) is the screw(-type) feeder between burner hearth (3-1) with certain inclination angle.
3. a kind of biomass energy-saving hot-blast stove according to claim 1, it is characterised in that: cigarette is arranged in the outlet flue (5) Mist purification device, purifying apparatus of smoke and fume side wall open up filter element replacing casket (5-1).
4. a kind of biomass energy-saving hot-blast stove according to claim 1, it is characterised in that: burner hearth (3-1) side wall is opened If maintenance door (3-1-1), burner hearth (3-1) inner wall is coated with refractory material.
5. a kind of biomass energy-saving hot-blast stove according to claim 1, it is characterised in that: hot-blast outlet (7) setting Extractor fan, hot wind furnace main body (1) use heat insulation shell.
CN201821014857.9U 2018-06-28 2018-06-28 A kind of biomass energy-saving hot-blast stove Expired - Fee Related CN209512278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821014857.9U CN209512278U (en) 2018-06-28 2018-06-28 A kind of biomass energy-saving hot-blast stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821014857.9U CN209512278U (en) 2018-06-28 2018-06-28 A kind of biomass energy-saving hot-blast stove

Publications (1)

Publication Number Publication Date
CN209512278U true CN209512278U (en) 2019-10-18

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887229A (en) * 2019-12-04 2020-03-17 湖南省农友机械集团有限公司 Multi-wind-direction heat exchanger of biomass hot blast stove

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110887229A (en) * 2019-12-04 2020-03-17 湖南省农友机械集团有限公司 Multi-wind-direction heat exchanger of biomass hot blast stove
CN110887229B (en) * 2019-12-04 2021-08-24 湖南省农友机械集团有限公司 Multi-wind-direction heat exchanger of biomass hot blast stove

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191018

Termination date: 20200628

CF01 Termination of patent right due to non-payment of annual fee