CN204958808U - Combustible gas cyclic utilization heat treatment furnace - Google Patents
Combustible gas cyclic utilization heat treatment furnace Download PDFInfo
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- CN204958808U CN204958808U CN201520547633.4U CN201520547633U CN204958808U CN 204958808 U CN204958808 U CN 204958808U CN 201520547633 U CN201520547633 U CN 201520547633U CN 204958808 U CN204958808 U CN 204958808U
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Abstract
The utility model relates to a combustible gas cyclic utilization heat treatment furnace, the induction cooker comprises a cooker bod, dispose the combustion chamber and the waste gas exhaust pipe of combustor, be provided with the stove courage in the furnace body, the feed end is equipped with the furnace gate, form confined annular steam wind channel between furnace inner wall and the stove courage outer wall, be equipped with high temperature flue gas inlet and flue gas discharge port on the furnace body, the combustion chamber is including the inside casing of seting up combustion chamber, be equipped with air jet and gas import on the casing, the combustion chamber sets up the outside at the furnace body, the air jet communicates with each other with high temperature flue gas inlet, waste gas exhaust pipe's air inlet is linked together with the stove courage is inside, the gas import of its gas outlet on the combustion chamber is stretched into to the combustion chamber in. The utility model discloses combustible gas that combustion chamber and furnace body independent setting, waste gas exhaust pipe produced in with the stove courage burns in introducing the combustion chamber, and high temperature flue gas that the burning produced be the thermal treatment energy supply in introducing the steam wind channel, and realize energy recovery and recycle, the reduction energy consumption, energy -concerving and environment -protective and easy maintenance, overall structure is simple, and is with low costs.
Description
Technical field:
The utility model relates to pyrolysis plant field, relates to a kind of combustible gas recycle heat treatment furnace in particular.
Background technology:
A few days ago, fuel that is clean or upgrading is obtained owing to utilizing pyrolysis charring method, both the environmental pollution that direct buring solid fuel causes can have been reduced, the compound of contained high economic worth to be made full use of again in solid fuel, have energy-conserving and environment-protective and the broad sense of making rational use of resources and gradually adopt by industry.In recent years, on the basis of traditional charring furnace, some are carried out in the aspects such as charring furnace body, pyrolysis gas recovery and pre-thermal utilization and improves, and designed and developed the charring furnace of corresponding construction form, to improve charing efficiency, reduce system power consumption.
Chinese patent CN202754940U discloses the pollution-free castoff regenerative charring furnace of a kind of self-burning type, it comprises body of heater, coking chamber and combustion chamber, coking chamber and combustion chamber to be all arranged in body of heater and to be separated by baffle plate between the two, this charring furnace by drawing carbonized gas delivery line bottom the blind end of carbonization tank, be communicated with coking chamber and combustion chamber, make the inflammable gas of carbonization generation in carbonization process along carbonized gas delivery line flow into combustor, wherein inflammable gas carries out burning energy supply support charing.
In the use procedure of reality, reflect according to applicant, although the inflammable gas that this charring furnace can realize producing in carbonization process is preferably recycled, but there is certain problem in it: coking chamber and combustion chamber are all arranged in body of heater by this charring furnace, and be communicated with by carbonized gas delivery line between the two, because temperature in furnace is higher, carbonized gas delivery line is placed in body of heater easily aging for a long time, life-span is short and not easily overhaul, there is potential safety hazard, in addition, known from its accompanying drawing, carbonized gas delivery line is placed on the one end in carbonization tank and is evenly equipped with some apertures, although this some aperture is beneficial to the output of inflammable gas everywhere in coking chamber, but the inflammable gas produced in carbonization process is usually containing a large amount of dust, particulate matter and oil gas etc., easily make aperture clogs, affect the normal work of carbonized gas delivery line, energy recovery rate is low.
Utility model content:
The purpose of this utility model is for the deficiencies in the prior art part, a kind of combustible gas recycle heat treatment furnace is provided, combustion chamber and body of heater are independently arranged, and be communicated with by exhaust emission tube, the inflammable gas that body of heater produces in heat treatment process imports as fuel of heat supply burning in combustion chamber by exhaust emission tube, and it is thermal treatment energy supply that the high-temperature flue gas that burning produces is introduced in body of heater, realize energy recovery to utilize, energy consumption is low, and heat utilization efficiency is high, energy-conserving and environment-protective and be easy to maintenance.
Technology solution of the present utility model is as follows:
A kind of combustible gas recycle heat treatment furnace, comprise body of heater and the combustion chamber being configured with burner, flue is provided with in described body of heater, its feed end is provided with the fire door that can open or close, form closed annular hot gas air channel between inboard wall of furnace body and furnace outer wall, body of heater also offers the high-temperature flue gas import and flue gas discharge opening that are communicated with described hot gas air channel; Described combustion chamber comprises the housing that inside offers combustion chamber, this housing offers the tuyere be communicated with combustion chamber and fuel gas inlet, it is characterized in that: also comprise exhaust emission tube, described combustion chamber is arranged on the outside of body of heater, tuyere communicates with the high-temperature flue gas import on body of heater, the inlet mouth of exhaust emission tube is connected with the flue inside of body of heater, and the fuel gas inlet of its air outlet on combustion chamber stretches in combustion chamber.
As improvement, the inlet mouth of described high-temperature flue gas import, exhaust emission tube and combustion chamber are all arranged on the same side of body of heater, simplify pipeline arrangement, reduce cost.
As improvement, in described hot gas air channel, be evenly provided with some air channels traffic organising plate, adjacent air channel traffic organising plate interlock be fixed on body of heater top and bottom on, the end of each air channel traffic organising plate is all connected with the outer wall of flue is airtight.
As improvement, described air channel traffic organising plate is the plane of vertically setting, and the interior shape of its profile and body of heater is suitable.
As improvement, described in the end of air channel traffic organising plate that is fixed on the top of body of heater be positioned at below the horizontal center line of flue.
As improvement, described in the end of air channel traffic organising plate that is fixed on the bottom of body of heater be positioned at more than the horizontal center line of flue.
As improvement, the left and right sides of described housing is respectively equipped with the first burner and the second burner that communicate with combustion chamber, and this first burner and fuel gas inlet are arranged on the same side and are positioned at the below of fuel gas inlet.
As improvement, be provided with at least one for intercepting the gear gas wall of the first burner and the second burner in described combustion chamber, the height of this gear gas wall, lower than the height of combustion chamber, leaves high temp. flue between the end of gear gas wall and the inwall of housing.
Arranging of gear gas wall is main from the viewpoint of two: be beneficial on the one hand and extend combustion gas residence time in combustion chamber, combustion gas is fully burned in combustion chamber; Avoid two burners directly to burning on the other hand, guarantee normal work and the work-ing life of burner.
As improvement, described first burner and the second burner and tuyere be not all in the same side, and this tuyere is positioned at the top of the second burner.
As improvement, described tuyere is vertical with fuel gas inlet to be arranged, and the while of ensureing that combustion gas is clean-burning further, the high-temperature flue gas being beneficial to generation sprays along tuyere, guarantees that internal pressure of combustion chamber is stablized.
The beneficial effects of the utility model are:
(1) the utility model combustion chamber and body of heater are independently arranged, exhaust emission tube is communicated with the fuel gas inlet of body of heater flue inside and combustion chamber, the inflammable gas produced in flue is introduced in combustion chamber and burns as fuel of heat supply, it is thermal treatment energy supply that the high-temperature flue gas that burning produces is introduced in body of heater hot gas air channel, realize energy recovery recycling, reduce energy consumption, energy-conserving and environment-protective and be easy to maintenance, one-piece construction is simple, and cost is low;
(2) by evenly arranging multiple air channels traffic organising plate in the hot gas path of body of heater, change the flowing-path of high-temperature flue gas in hot gas air channel, high-temperature flue gas is flowed along furnace outer wall with spirality path from lower to upper, flue is heated evenly everywhere, the effective residence time of prolongation high-temperature flue gas in hot gas path, improve heat utilization ratio;
(3) combustion chamber is oppositely arranged two burners, and at least one gear gas wall is set in combustion chamber, adopt two-stage combustion, ensure that combustion gas is fully burned, by the mating reaction of two burners with gear gas wall, change the flowing-path of combustion gas in combustion chamber, to extend the residence time of combustion gas in combustion chamber, increase the duration of contact of itself and two burner boccas, make combustion gas Thorough combustion further, save its follow-up purifying treatment cost, rate of combustion is high.
In sum, it is simple that the utility model has one-piece construction, and heat utilization ratio is high, energy-conserving and environment-protective, low cost and other advantages.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the schematic diagram in A-A direction in Fig. 1;
Fig. 3 is the one-piece construction schematic diagram of a kind of air channel traffic organising plate in the utility model;
Fig. 4 is the one-piece construction schematic diagram of the second air channel traffic organising plate in the utility model;
Fig. 5 is the schematic diagram in B-B direction in Fig. 1.
Embodiment:
The following stated is only preferred embodiment of the present utility model, not limits scope of the present utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of combustible gas recycle heat treatment furnace, comprise body of heater 1, be configured with the combustion chamber 2 of burner and exhaust emission tube 5, the flue 3 of heat-treating for material is provided with in body of heater 1, as shown in Figure 2, the feed end 11 of body of heater 1 is provided with the fire door 12 that can open or close, wherein, body of heater 1 is square, flue 3 is cylindric, form closed annular hot gas air channel 4 between body of heater 1 inwall and flue 3 outer wall, body of heater 1 also offers the high-temperature flue gas import 13 and flue gas discharge opening 14 that are communicated with hot gas air channel 4.Combustion chamber 2 comprises the housing 21 that inside offers combustion chamber 22, housing 21 entirety can be designed to rectangular parallelepiped, square or other shapes, this housing 21 offers the tuyere 211 be communicated with combustion chamber 22 and fuel gas inlet 212, burn the outside that room is arranged on body of heater 1, tuyere 211 communicates with the high-temperature flue gas import 13 on body of heater 1, the inlet mouth 51 of exhaust emission tube 5 is connected with flue 3 inside of body of heater 1, the fuel gas inlet 212 of its air outlet 52 on combustion chamber 2 stretches in combustion chamber 22, the inflammable gas produced in heat treatment process is introduced in combustion chamber 2 through exhaust emission tube 5 and is burnt, the tuyere 211 of high-temperature flue gas on housing 21 produced after burning and the high-temperature flue gas import 13 on body of heater 1 enter in hot gas air channel 4 as thermal treatment heating improves heat, the recycling of this process implementation waste gas, utilization rate of heat value is high.
For simplifying pipeline arrangement, reduce cost, the inlet mouth 51 of high-temperature flue gas import 13, exhaust emission tube 5 and combustion chamber 2 are all arranged on the same side of body of heater 1.In addition, during in order to be beneficial to thermal treatment, material enters in flue 3 from the feed end 11 of body of heater 1, at utmost realize heat exchange, accelerate heat treatment efficiency, high-temperature flue gas import 13 to be positioned at below flue 3 and to arrange near feed end 11, and flue gas discharge opening 14 to be arranged on above flue 3 and to be positioned at away from high-temperature flue gas import 13 end place, improves heat utilization ratio further.
Some air channels traffic organising plate 6 is evenly provided with in hot gas air channel 4, on the top that adjacent air channel traffic organising plate 6 is staggered is fixed on body of heater 1 and bottom, the end of each air channel traffic organising plate 6 is all connected with the outer wall of flue 3 is airtight, and and leaves gap between body of heater 1 inwall.Wherein, as shown in Figure 3, air channel traffic organising plate 6 is the plane of vertically setting, and the interior shape of its profile and body of heater 1 is suitable, the dual-side of air channel traffic organising plate 6 is fixed with the front side wall of body of heater 1 and rear wall respectively, offers the hollow-out parts 61 of mating with flue 3 outside surface bottom it.
The end being fixed on the air channel traffic organising plate 6 on the top of body of heater 1 is positioned at below the horizontal center line of flue 3, and the end being fixed on the air channel traffic organising plate 6 on the bottom of body of heater 1 is positioned at more than the horizontal center line of flue 3, realize that adjacent air channel traffic organising plate 6 is staggered to be respectively positioned at above and below flue 3, high-temperature flue gas enters in hot gas air channel 4 through high-temperature flue gas import 13, under the guide functions of air channel traffic organising plate 6, through the gap between air channel traffic organising plate 6 and body of heater 1 inwall and the space between adjacent air channel traffic organising plate 6, flow along flue 3 outside surface to flue gas discharge opening 14 locality with spirality path from lower to upper, discharge through flue gas discharge opening 14, air channel traffic organising plate 6 changes the flowing-path of high-temperature flue gas, extend the residence time of high-temperature flue gas in hot gas air channel 4 to a great extent, simultaneously, ensure that flue 3 outside surface is heated evenly everywhere, heat utilization efficiency is high.
Wherein, the preheating and drying that flue gas discharge opening 14 can be introduced for material in preheating chamber by pipeline provides heat, realizes recycle heat and utilizes, clean environment firendly.
In the present embodiment, as shown in Figure 4, the sheet material undulate of air channel traffic organising plate 6, and air channel traffic organising plate 6 is vertically provided with flue gas guide path 62, the transverse section of this flue gas guide path 62 is waviness, wavy sheet increases the contact area of high-temperature flue gas and air channel traffic organising plate 6, when high-temperature flue gas is through air channel traffic organising plate 6 surface, flue gas guide path 62 1 aspect plays the effect of gathering to high-temperature flue gas, on the other hand guide functions is played to high-temperature flue gas, accelerate high-temperature flue gas mobility, improve pyrolysis efficiency further.
Housing 21 left and right sides of combustion chamber 2 is respectively equipped with the first burner 7 and the second burner 8 communicated with combustion chamber 22, and this first burner 7 is arranged on the same side with fuel gas inlet 212 and is positioned at the below of fuel gas inlet 212.Wherein, the inwall of fuel gas inlet 212 is provided with a flame retardant coating, is provided with heat insulation between the first burner 7 and fuel gas inlet 212, improves resistivity against fire and the work-ing life of exhaust emission tube 5.
As shown in Figure 5, at least one is provided with for intercepting the gear gas wall 9 of the first burner 7 and the second burner 8 in combustion chamber 22, the height of this gear gas wall 9, lower than the height of combustion chamber 22, leaves high temp. flue 10 between the end of gear gas wall 9 and the inwall of housing 21.Wherein, when gear gas wall 9 quantity is two or more, adjacent gear gas wall about 9 is crisscross arranged on the inwall of housing 21, combustion gas is flowed along gear gas wall 9 surface and the high temp. flue 10 between gear gas wall 9 end and housing 21 inwall through the burn high-temperature flue gas that produces and the not clean-burning combustion gas of the first burner 7, flowing-path is S-shaped, extend the residence time of combustion gas in combustion chamber 22 further, add the duration of contact of combustion gas and burner, improve fuel gas buring rate further.Meanwhile, the end of adjacent gear gas wall 9 is overlapped, avoids combustion gas and flows to left end from the right-hand member of combustion chamber 22 along the gap between gear gas wall 9 end is expedite, ensure that combustion gas is flowed along S shape path.Gear gas wall 9 wherein near fuel gas inlet 212 is at least 40cm with the spacing of fuel gas inlet 212.
For ensureing that the high-temperature flue gas produced in combustion chamber 2 can spray from tuyere 211 fast, first burner 7 and the second burner 8 with tuyere 211 all not in the same side, this tuyere 211 is vertical with fuel gas inlet 212 to be arranged and is positioned at the top of the second burner 8, the high-temperature flue gas produced after the second burner 8 burns is under the second burner 8 flame airflow function, the quick tuyere 211 from the upper side of high-temperature flue gas rising sprays, can not turbulent flow be there is in this process, guarantee that combustion chamber 22 internal pressure is stablized.
In addition, according to actual production requirement, in the utility model, in the multiple combustion chamber 2 of body of heater 1 arranged outside, to ensure body of heater 1 thermal treatment institute heat requirement, heat treatment efficiency can be improved further.
Claims (10)
1. a combustible gas recycle heat treatment furnace, comprise body of heater (1) and be configured with the combustion chamber (2) of burner, flue (3) is provided with in described body of heater (1), its feed end (11) is provided with the fire door (12) that can open or close, form closed annular hot gas air channel (4) between body of heater (1) inwall and flue (3) outer wall, body of heater (1) also offers the high-temperature flue gas import (13) and flue gas discharge opening (14) that are communicated with described hot gas air channel (4), described combustion chamber (2) comprises the housing (21) that inside offers combustion chamber (22), this housing (21) offers the tuyere (211) and fuel gas inlet (212) that are communicated with combustion chamber (22), it is characterized in that: also comprise exhaust emission tube (5), described combustion chamber (2) is arranged on the outside of body of heater (1), tuyere (211) communicates with the high-temperature flue gas import (13) on body of heater (1), the inlet mouth (51) of exhaust emission tube (5) is connected with flue (3) inside of body of heater (1), the fuel gas inlet (212) of its air outlet (52) on combustion chamber (2) stretches in combustion chamber (22).
2. a kind of combustible gas recycle heat treatment furnace as claimed in claim 1, is characterized in that: the inlet mouth (51) of described high-temperature flue gas import (13), exhaust emission tube (5) and combustion chamber (2) are all arranged on the same side of body of heater (1).
3. a kind of combustible gas recycle heat treatment furnace as claimed in claim 2, it is characterized in that: in described hot gas air channel (4), be evenly provided with some air channels traffic organising plate (6), on the top that adjacent air channel traffic organising plate (6) is staggered is fixed on body of heater (1) and bottom, the end of each air channel traffic organising plate (6) is all connected with the outer wall of flue (3) is airtight.
4. a kind of combustible gas recycle heat treatment furnace as claimed in claim 3, is characterized in that: described air channel traffic organising plate (6) is plane for what vertically arrange, and the interior shape of its profile and body of heater (1) is suitable.
5. a kind of combustible gas recycle heat treatment furnace as claimed in claim 4, is characterized in that: described in the end in air channel traffic organising plate (6) that is fixed on the top of body of heater (1) be positioned at below the horizontal center line of flue (3).
6. a kind of combustible gas recycle heat treatment furnace as claimed in claim 4, is characterized in that: described in the end in air channel traffic organising plate (6) that is fixed on the bottom of body of heater (1) be positioned at more than the horizontal center line of flue (3).
7. a kind of combustible gas recycle heat treatment furnace as claimed in claim 1, it is characterized in that: the left and right sides of described housing (21) is respectively equipped with the first burner (7) and the second burner (8) that communicate with combustion chamber (22), this first burner (7) and fuel gas inlet (212) are arranged on the same side and are positioned at the below of fuel gas inlet (212).
8. a kind of combustible gas recycle heat treatment furnace as claimed in claim 7, it is characterized in that: be provided with at least one in described combustion chamber (22) for intercepting the gear gas wall (9) of the first burner (7) and the second burner (8), the height of this gear gas wall (9), lower than the height of combustion chamber (22), leaves high temp. flue (10) between the end of gear gas wall (9) and the inwall of housing (21).
9. a kind of combustible gas recycle heat treatment furnace as claimed in claim 7, it is characterized in that: described first burner (7) and the second burner (8) and tuyere (211) be not all in the same side, and this tuyere (211) is positioned at the top of the second burner (8).
10. a kind of combustible gas recycle heat treatment furnace as claimed in claim 9, is characterized in that: described tuyere (211) is vertical with fuel gas inlet (212) to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520547633.4U CN204958808U (en) | 2015-07-27 | 2015-07-27 | Combustible gas cyclic utilization heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520547633.4U CN204958808U (en) | 2015-07-27 | 2015-07-27 | Combustible gas cyclic utilization heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204958808U true CN204958808U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520547633.4U Expired - Fee Related CN204958808U (en) | 2015-07-27 | 2015-07-27 | Combustible gas cyclic utilization heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204958808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154113B (en) * | 2015-07-27 | 2018-07-24 | 长兴嘉诚炉业有限公司 | A kind of combustible gas recycles heat-treatment furnace |
-
2015
- 2015-07-27 CN CN201520547633.4U patent/CN204958808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154113B (en) * | 2015-07-27 | 2018-07-24 | 长兴嘉诚炉业有限公司 | A kind of combustible gas recycles heat-treatment furnace |
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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: 20160113 Termination date: 20160727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |