CN206695378U - Negative pressure oxygen-enriched combusting hot-blast stove - Google Patents

Abstract

A kind of negative pressure oxygen-enriched combusting hot-blast stove, passed a bridge including fuel assembly, heat exchanger assembly, negative pressure component, flue and hot blast is passed a bridge, wherein, described flue, which is passed a bridge, connects described fuel assembly and described heat exchanger assembly with described hot blast gap bridge both ends, described negative pressure component is installed, and described negative pressure component connects with described heat-exchanging component on described heat exchanger assembly；The negative pressure oxygen-enriched combusting hot-blast stove is applied to the pluralities of fuels such as wood chip, biomass, stalk, coal cinder, coal dust；The air of cleaning discharges body of heater via the suction function of exhaust blower so that the air-flow in stove is more unobstructed, and heat exchange is more uniformly distributed；Multigroup fin is installed so that heat exchange is highly efficient in stove；Due to the effect of negative pressure generator, air enters in combustion chamber via oxygen supplying tube so that the fuel combustion in combustion chamber is more abundant, avoids and produces a large amount of carbon monoxide toxic gases.

Description

Negative pressure oxygen-enriched combusting hot-blast stove

Technical field

Boiler technology field is the utility model is related to, especially one kind is with fuel selection is wide, burning is more abundant, changes The negative pressure oxygen-enriched combusting hot-blast stove that wind is more uniformly distributed.

Background technology

Hot-blast stove is a kind of for heating air, there is provided the equipment of hot-air, it can be used for warming oneself, dry and heating Deng existing hot-blast stove has the following disadvantages：1st, fuel selection is single, is used as fuel using coal mostly；2nd, coal is in stove chamber inner combustion, Flame directly heats air upwards, and pyrotechnics does not usually also carry out heat exchange fully with air and just discharged from chimney, not only fuel Consumption is big, and heat energy wastes seriously, and the thermal efficiency is low；3rd, because pyrotechnics is discharged directly up, pyrotechnics exit is usually emerged A large amount of black smokes, pollute air；4th, because furnace heat can not fully carry out heat exchange with air so that furnace temperature is always very in stove Height, the dead angle especially in stove, influence the service life of stove；5th, for coal in stove chamber inner combustion, the oxygen easily occurred in stove can not The clean-burning situation of coal is maintained, coal, which once can not fully burn, will produce substantial amounts of CO gas, if poisonous Carbon monoxide leakage easily causes people's gas poisoning, and life danger occurs, and potential safety hazard be present, and if CO gas is arranged Outdoor is put into, will also result in atmosphere pollution.

The content of the invention

In order to solve the deficiencies in the prior art, the utility model provides a kind of negative pressure oxygen-enriched combusting hot-blast stove, the negative pressure Oxygen-enriched combusting hot-blast stove is applied to the pluralities of fuels such as wood chip, biomass, stalk, coal cinder, coal dust, and having reached reduces burning cost Purpose；The air of cleaning discharges body of heater via the suction function of exhaust blower so that the air-flow in stove is more unobstructed, and heat exchange is more To be uniform, reach and avoided hot-spot in stove, added the purpose of the service life of stove；Multigroup fin is installed in stove, So that heat exchange is highly efficient, the purpose that more energy-conservation, the thermal efficiency are higher is reached；Due to the effect of negative pressure generator, air Enter via oxygen supplying tube in combustion chamber so that the fuel combustion in combustion chamber is more abundant, avoids and produces a large amount of carbon monoxide Toxic gas, the purpose of safety and environmental protection is reached；

The technical scheme of the invention for solving the technical problem is, including fuel assembly, heat exchanger assembly, negative pressure component, cigarette Road is passed a bridge and hot blast is passed a bridge, wherein, described flue is passed a bridge connects described fuel assembly with the both ends of described hot blast gap bridge With described heat exchanger assembly, described negative pressure component is installed on described heat exchanger assembly, and described negative pressure component with Described heat exchanger assembly connection；

Described fuel assembly includes body of heater, and described body of heater is including in bell, fire door, shoot door, body of heater outer barrel, body of heater Courage, air duct, oxygen supplying tube, regulating valve, wherein, there are described bell, fire door, shoot door, described stove on described body of heater It is external that described air duct, the described body of heater outer barrel of described oxygen supplying tube both ends connection are formed between cylinder and described body of heater inner bag With described body of heater inner bag, described regulating valve is installed on described body of heater outer barrel, described body of heater inner bag include combustion chamber, Described body of heater inner bag is divided into the combustion chamber and described by body of heater inner bag fin, Dust Storage Room, fire grate, described fire grate Dust Storage Room, described body of heater inner bag fin is installed on described outer wall of combustion chamber, has flue mistake on described body of heater inner bag Bridge welding interface；

Described heat exchanger assembly includes heat exchanger outer barrel, heat exchanger liner, hot-air channel, smokejack, wherein, it is described Described hot-air channel is formed between heat exchanger outer barrel and described heat exchanger liner, described heat exchanger outer barrel includes hot blast negative pressure Blower fan adpting flange, flue welding hole, hot blast gap bridge soldering opening, body of heater solder side, negative pressure generator tube soldering opening, exhaust duct, institute Have hot blast gap bridge soldering opening on the body of heater solder side for the heat exchanger outer barrel stated, have on described heat exchanger outer barrel flue welding hole and Negative pressure generator tube soldering opening, with being connected at the top of described heat exchanger outer barrel, described exhaust duct is another for described exhaust duct one end There is hot blast negative-pressure air fan adpting flange on end, have bolt hole on described hot blast negative-pressure air fan adpting flange；Described heat exchanger Inner bag includes inner bag portrait, inner bag shrouding, interior plate, liner top plate and heat exchanger liner fin, described inner bag portrait, Inner bag shrouding, interior plate and liner top plate coordinate the inner bag flue for forming winding type, are installed on described inner bag riser outer wall There is heat exchanger liner fin, have flue gap bridge soldering opening on described heat exchanger liner, have flue in described liner top plate Soldering opening；Described smokejack blocks up after including flue tube, flue connecting tube and flue, after having flue on described flue tube one end It is stifled, negative tube soldering opening is blocked after described flue, described flue connecting tube vertical connection is in described flue tube；

Described negative pressure component includes hot blast negative pressure component and hot cigarette negative pressure component, and described hot cigarette negative pressure component includes negative Pressure pipe, hot cigarette negative-pressure air fan and hot cigarette negative-pressure air fan adpting flange, wherein, there is hot cigarette negative-pressure air fan on described negative tube one end Adpting flange, described hot cigarette negative-pressure air fan are connected with described hot cigarette negative-pressure air fan adpting flange, described negative tube external diameter Coordinate with the negative tube soldering opening blocked after described flue and weld；Described hot blast negative pressure component includes hot blast negative-pressure air fan, Described hot blast negative-pressure air fan is connected with described hot blast negative-pressure air fan adpting flange, described hot blast negative-pressure air fan and institute Exhaust duct connection in the heat exchanger outer barrel stated.

The beneficial effects of the utility model are：The negative pressure oxygen-enriched combusting hot-blast stove is applied to wood chip, biomass, stalk, coal The pluralities of fuels such as block, coal dust, the beneficial effect for reducing burning cost is reached；The air of cleaning is made via the negative pressure of exhaust blower With discharge body of heater so that the air-flow in stove is more unobstructed, and heat exchange is more uniformly distributed, and has reached and has avoided hot-spot in stove, increases The beneficial effect of the service life of stove is added；Winding type heat exchanger liner and multigroup fin add heat exchange area so that heat Exchange highly efficient, reached more energy-conservation, the higher beneficial effect of the thermal efficiency；Due to the effect of negative pressure generator, air warp Entered by oxygen supplying tube in combustion chamber so that the fuel combustion in combustion chamber is more abundant, and avoiding a large amount of carbon monoxide of generation has Poisonous gas, the beneficial effect of safety and environmental protection is reached；

Brief description of the drawings：

The utility model is further illustrated below in conjunction with the accompanying drawings.

Fig. 1 is structural front view of the present utility model；

Fig. 2 is the utility model Fig. 1 left view；

Fig. 3 is the utility model Fig. 1 top view；

Fig. 4 is the structural front view of the utility model fuel assembly；

Fig. 5 is the utility model Fig. 4 top view；

Fig. 6 is the topology view of body of heater inner bag in the utility model fuel assembly；

Fig. 7 is the structural front view of heat exchanger outer barrel in the utility model heat exchanger assembly；

Fig. 8 is the utility model Fig. 7 left view；

Fig. 9 is the utility model Fig. 7 top view；

Figure 10 is the structural front view of heat exchanger liner in the utility model heat exchanger assembly；

Figure 11 is the utility model Fig. 9 left view；

Figure 12 is the utility model Fig. 9 top view；

Figure 13 is the structural front view of the utility model flue；

Figure 14 is the utility model Figure 13 left view；

Figure 15 is the utility model Figure 13 top view；

Figure 16 is the structural front view of the utility model negative pressure generator tube；

Figure 17 is the utility model Figure 16 left view.

Embodiment：

Specific embodiment of the present utility model is reference picture 1, Fig. 2, Fig. 3, including fuel assembly 21, heat exchanger assembly 5th, negative pressure component, flue gap bridge 10 and hot blast gap bridge 9, wherein, the both ends of described flue gap bridge 10 and described hot blast gap bridge 9 Described fuel assembly 21 and described heat exchanger assembly 5 are connected, described negative pressure group is installed on described heat exchanger assembly 5 Part, and described negative pressure component connects with described heat exchanger assembly 5；

Reference picture 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, described fuel assembly 21 include body of heater, and described body of heater includes bell 22nd, fire door 16, shoot door 14, body of heater outer barrel 18, body of heater inner bag 20, air duct 19, oxygen supplying tube 15, regulating valve 17, wherein, institute There are described bell 22, fire door 16, shoot door 14 on the body of heater stated, between described body of heater outer barrel 18 and described body of heater inner bag 20 Form described air duct 19, the described body of heater outer barrel 18 of the described both ends of oxygen supplying tube 15 connection and described body of heater inner bag 20, described regulating valve 17 is installed, described body of heater inner bag 20 includes combustion chamber 23, in body of heater on described body of heater outer barrel 18 Described body of heater inner bag 20 is divided into the He of combustion chamber 23 by courage fin 11, Dust Storage Room 12, fire grate 13, described fire grate 13 Described Dust Storage Room 12, described body of heater inner bag fin 11 is provided with the described outer wall of combustion chamber 23, and reference picture 6 is described Body of heater inner bag 20 on have flue gap bridge soldering opening 24；

Reference picture 7, Fig. 8, Fig. 9, described heat exchanger assembly 5 include heat exchanger outer barrel 7, heat exchanger liner 8, hot-air channel 6th, smokejack 4, wherein, described hot-air channel 6, reference are formed between described heat exchanger outer barrel 7 and described heat exchanger liner 8 Fig. 7, Fig. 8, Fig. 9, described heat exchanger outer barrel 7 include hot blast negative-pressure air fan adpting flange 3, flue welding hole 26, hot blast and passed a bridge Soldering opening 30, body of heater solder side 27, negative pressure generator tube soldering opening 28, exhaust duct 25, the body of heater welding of described heat exchanger outer barrel 7 There is hot blast gap bridge soldering opening 30 on face 27, there is flue welding hole 26 and negative pressure generator tube soldering opening on described heat exchanger outer barrel 7 28, described one end of exhaust duct 25 connects with the described top of heat exchanger outer barrel 7, has hot blast on the described other end of exhaust duct 25 Negative-pressure air fan adpting flange 3, there is bolt hole 29 on described hot blast negative-pressure air fan adpting flange 3；Reference picture 10, Figure 11 Figure 12, Described heat exchanger liner 8 includes inner bag portrait 37, inner bag shrouding 38, interior plate 35, liner top plate 32 and heat exchanger liner Fin 34, described inner bag portrait 37, inner bag shrouding 38, interior plate 35 and liner top plate 32, which coordinate, forms the interior of winding type Courage flue 33, heat exchanger liner fin 34 is installed on the described outer wall of inner bag riser 37, had on described heat exchanger liner 8 Flue gap bridge soldering opening 36, there is flue soldering opening 31 in described liner top plate 32；Reference picture 13, Figure 14, Figure 15, described row Flue 4 blocks up 39 after including flue tube 41, flue connecting tube 40 and flue, and 39 are blocked up after having flue on described one end of flue tube 41, Being blocked up after described flue on 39 has negative tube soldering opening 42, and the described vertical connection of flue connecting tube 40 is in described flue tube 41；

Reference picture 1, Figure 16, Figure 17, described negative pressure component includes hot blast negative pressure component and hot cigarette negative pressure component, described Hot cigarette negative pressure component includes negative tube 44, hot cigarette negative-pressure air fan 1 and hot cigarette negative-pressure air fan adpting flange 43, wherein, described is negative There are hot cigarette negative-pressure air fan adpting flange 43, described hot cigarette negative-pressure air fan 1 and described hot cigarette negative-pressure air fan on the one end of pressure pipe 44 Adpting flange 43 is connected, and the described external diameter of negative tube 44 coordinates with the negative tube soldering opening 42 blocked up after described flue on 39 to be welded Connect；Described hot blast negative pressure component includes hot blast negative-pressure air fan, described hot blast negative-pressure air fan and described hot blast negative-pressure air fan Adpting flange 3 is connected, and described hot blast negative-pressure air fan 2 connects with the exhaust duct 25 in described heat exchanger outer barrel 7.

The workflow of the negative-pressure firing hot-blast stove is：Reference picture 1, Fig. 2, Fig. 3, when fuel burns in combustion chamber 23, Negative pressure air enters the auxiliary combustion of combustion chamber 23, work of the high-temperature smoke caused by burning in hot cigarette negative-pressure air fan 1 by oxygen supplying tube 15 Dust Storage Room 12 is entered by combustion chamber 23 under, the dust in high-temperature smoke falls into the bottom of Dust Storage Room 12, warp by the gravity of itself Removed by shoot door 14 outside stove；Meanwhile the high-temperature flue gas b in high-temperature smoke is entered in heat exchanger liner 8 by flue gap bridge 10, Reference picture 1, Figure 10, Figure 13, Figure 14, Figure 15, high-temperature flue gas b via inner bag flue 33 roundabout in heat exchanger liner 8, pass through again The flue connecting tube 40 in flue welding hole 31 and flue on heat-exchange inner container top plate 32, flue tube 41 discharge out of the furnace；Reference picture 1st, Fig. 2, Fig. 3, while burning in combustion chamber 23, the adjusted valve 17 of cold air enters the sky in fuel assembly 21 after controlling flow Gas passage 19, by being formed as hot blast a with the heat exchange of body of heater inner bag fin 11, then entered by hot blast gap bridge 9 and exchanged heat Hot-air channel 6 in device assembly 5, then discharged out of the furnace via hot blast negative-pressure air fan 2；In whole workflow, burning produces High-temperature smoke in entrained heat heat exchange is produced by the air-flow in fin and air duct 19 and hot-air channel 6, The heat of high-temperature smoke conduction is taken away when air-flow is by hot-air channel 6, hot blast is transported to hot application by hot blast negative-pressure air fan 2 In equipment, and temperature has substantially reduced when flue dust is discharged by flue 4, reduces the waste of heat and reduces the discharge of flue dust, subtracts Few pollution to air.

Claims (4)

1. a kind of negative pressure oxygen-enriched combusting hot-blast stove, including fuel assembly, heat exchanger assembly, negative pressure component, flue are passed a bridge and hot blast Pass a bridge, it is characterized in that：The both ends that described flue is passed a bridge and described hot blast is passed a bridge connect described in fuel assembly and described Heat exchanger assembly, described negative pressure component is installed on described heat exchanger assembly, and described negative pressure component changes with described Hot device assembly connection.

2. a kind of negative pressure oxygen-enriched combusting hot-blast stove according to claim 1, it is characterized in that：Described fuel assembly includes stove Body, described body of heater include bell, fire door, shoot door, body of heater outer barrel, body of heater inner bag, air duct, oxygen supplying tube, regulating valve, its In, there are described bell, fire door, shoot door on described body of heater, formed between described body of heater outer barrel and described body of heater inner bag Described air duct, the described body of heater outer barrel of described oxygen supplying tube both ends connection and described body of heater inner bag, described body of heater Described regulating valve is installed on outer barrel, described body of heater inner bag includes combustion chamber, body of heater inner bag fin, Dust Storage Room, fire grate, Described body of heater inner bag is divided into the combustion chamber and described Dust Storage Room by described fire grate, is pacified on described outer wall of combustion chamber Equipped with described body of heater inner bag fin, there is flue gap bridge soldering opening on described body of heater inner bag.

3. a kind of negative pressure oxygen-enriched combusting hot-blast stove according to claim 1, it is characterized in that：Described heat exchanger assembly includes Heat exchanger outer barrel, heat exchanger liner, hot-air channel, smokejack, wherein, described heat exchanger outer barrel and described heat exchanger liner Between form described hot-air channel, described heat exchanger outer barrel includes hot blast negative-pressure air fan adpting flange, flue welding hole, hot blast Gap bridge soldering opening, body of heater solder side, negative pressure generator tube soldering opening, exhaust duct, on the body of heater solder side of described heat exchanger outer barrel There is hot blast gap bridge soldering opening, there is flue welding hole and negative pressure generator tube soldering opening, described air draft on described heat exchanger outer barrel Pipe one end connects with described heat exchanger outer barrel top, there is hot blast negative-pressure air fan adpting flange on the described exhaust duct other end, There is bolt hole on described hot blast negative-pressure air fan adpting flange；Described heat exchanger liner includes inner bag portrait, inner bag shrouding, interior Courage bottom plate, liner top plate and heat exchanger liner fin, described inner bag portrait, inner bag shrouding, interior plate and liner top plate Coordinate the inner bag flue for forming winding type, heat exchanger liner fin is installed on described inner bag riser outer wall, described changes There is flue gap bridge soldering opening on hot device inner bag, have flue soldering opening in described liner top plate；Described smokejack includes flue Blocked up after pipe, flue connecting tube and flue, blocked up after having flue on described flue tube one end, negative tube has been blocked after described flue Soldering opening, described flue connecting tube vertical connection is in described flue tube.

4. a kind of negative pressure oxygen-enriched combusting hot-blast stove according to claim 1, it is characterized in that：Described negative pressure component includes heat Wind negative pressure component and hot cigarette negative pressure component, described hot cigarette negative pressure component include negative tube, hot cigarette negative-pressure air fan and hot cigarette negative pressure Blower fan adpting flange, wherein, there are hot cigarette negative-pressure air fan adpting flange, described hot cigarette negative-pressure air fan on described negative tube one end It is connected with described hot cigarette negative-pressure air fan adpting flange, described negative tube external diameter welds with the negative tube blocked after described flue Interference fit welds；Described hot blast negative pressure component includes hot blast negative-pressure air fan, described hot blast negative-pressure air fan and described heat Wind negative-pressure air fan adpting flange is connected, and described hot blast negative-pressure air fan connects with the exhaust duct in described heat exchanger outer barrel It is logical.