CN205299936U - Gas combustion hot blast furnace - Google Patents
Gas combustion hot blast furnace Download PDFInfo
- Publication number
- CN205299936U CN205299936U CN201620069092.3U CN201620069092U CN205299936U CN 205299936 U CN205299936 U CN 205299936U CN 201620069092 U CN201620069092 U CN 201620069092U CN 205299936 U CN205299936 U CN 205299936U
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- Prior art keywords
- gas tank
- pipe
- gas
- expansion joint
- heat exchanger
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Abstract
The utility model relates to a thermal engineering equipment specifically is a gas combustion hot blast furnace, including a heat exchanger unit, the 2nd heat exchanger unit and the heat transfer furnace who connects gradually, a heat exchanger unit and the 2nd heat exchanger unit connect through first expansion joint and second expansion joint. Compared with the prior art, the utility model discloses gas combustion hot blast furnace's beneficial effect does: (1 )Heat transfer furnace further heats the air, improves the life that heat exchange efficiency has just prolonged furnace, (2 )First expansion joint and second expansion joint have absorbed gas combustion hot blast furnace's expend with heat and contract with cold and the dimensional change that arouses, reduce the deformation and damage of equipment, have prolonged the life of equipment, (3 )Owing to have two heat exchanger unit, therefore the heat transfer flow is longer, has improved heat exchange efficiency.
Description
Technical field
The utility model relates to Thermal Power Engineering equipment, specifically a kind of fuel gas hot-blast stove.
Background technology
Heat exchange type gas hotblast stove be the high-temperature flue gas heat air or other clean gas that utilize fuel gas buring to produce, the air heated or other clean gas for desiccating food products, medicine and other require free of contamination material. Fuel gas hot-blast stove mainly comprises burner hearth and interchanger, and existing fuel gas hot-blast stove exists following shortcoming: (1) existing burner hearth is due under being in hot environment for a long time, it may also be useful to the life-span is shorter; (2) change of temperature can cause expanding with heat and contract with cold of fuel gas hot-blast stove, causes the deformed damaged of equipment, affects the work-ing life of equipment; (3) existing interchanger heat exchange process is short, affects heat exchange efficiency.
Practical novel content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, it is provided that the technical scheme of the fuel gas hot-blast stove that a kind of long service life, heat exchange efficiency are high.
Technical problem to be solved in the utility model realizes by the following technical solutions: a kind of fuel gas hot-blast stove, comprises the first heat exchanger unit, the 2nd heat exchanger unit and heat exchange burner hearth; Described first heat exchanger unit comprises gas tank on first, first time gas tank and the first flue gas case, on described first, gas tank is provided with gas inlet, on first, gas tank is connected with first time gas tank by the first jet pipe, it is inner that first jet pipe is positioned at the first flue gas case, and the first flue gas case is provided with exhanst gas outlet; Described 2nd heat exchanger unit comprises gas tank on the 2nd, the 2nd time gas tank and the 2nd flue gas case, and on the described 2nd, gas tank is connected with the 2nd time gas tank by the 2nd jet pipe, and it is inner that the 2nd jet pipe is positioned at the 2nd flue gas case; Described first flue gas case is connected with the 2nd flue gas case by the first expansion joint, and described first time gas tank is connected with the 2nd time gas tank by the 2nd expansion joint; Described heat exchange burner hearth comprises interior cylinder and coaxial sleeve is located at the urceolus of interior cylinder outside, forms heat radiation chamber between interior cylinder and urceolus, and interior cylinder is provided with fuel gas inlet, and urceolus is provided with air vout, and interior cylinder is connected with the 2nd flue gas case, and heat radiation chamber is connected with gas tank on the 2nd.
The technical solution of the utility model also has: described first jet pipe comprises pipe, the first outer tube in first, described first outer coaxial tube to be sheathed in first pipe outside and interval has living space, manage the anchor ring between the first outer tube upper end in first to close, the lower end closed of pipe in first, in first, the upper port of pipe is connected with gas tank on first, the lower port of the first outer tube is connected with first time gas tank, and in first, the periphery of pipe is provided with the first jet flow hole;Described 2nd jet pipe comprises pipe, the 2nd outer tube in the 2nd, described 2nd outer coaxial tube to be sheathed in the 2nd pipe outside and interval has living space, in 2nd, anchor ring between the lower end of Guan Yu bis-outer tube is closed, the upper end closed of pipe in 2nd, in 2nd, the lower port of pipe is connected with the 2nd time gas tank, the upper port of the 2nd outer tube is connected with gas tank on the 2nd, and in the 2nd, the periphery of pipe is provided with the 2nd jet flow hole.
The technical solution of the utility model also has: described first expansion joint comprises the first corrugated tube and is located at first flange at the first corrugated tube two ends; Described 2nd expansion joint comprises the 2nd corrugated tube and is located at the 2nd flange at the 2nd corrugated tube two ends.
The technical solution of the utility model also has: described first expansion joint also comprises guide spiro rod, outer stop nut and interior stop nut, first flange is provided with guiding hole, described guide spiro rod is through guiding hole, described outer stop nut, interior stop nut all lay respectively at the both sides of respective side first flange with guide spiro rod thread fit, outer stop nut and interior stop nut. Guide spiro rod makes the first corrugated tube along its axial stretching, prevents the first corrugated tube from damaging because of irregular distortion. Outer stop nut and interior stop nut are for limiting the flexible amount of the first corrugated tube.
The technical solution of the utility model also has: described first expansion joint comprises three guide spiro rods, and three guide spiro rods are uniform along the axis of the first corrugated tube.
The technical solution of the utility model also has: the cross section of described first corrugated tube is circular, and the cross section of the 2nd corrugated tube is rectangle.
The technical solution of the utility model also has: be provided with spiral flow deflector in described heat radiation chamber, to increase the heat exchange process of air in heat radiation chamber, it is to increase heat exchange efficiency.
Principle of work of the present utility model: air enters gas tank on first by gas inlet, air enters in first after pipe by the first jet flow hole high velocity spray to the first outer tube wall, under the shock action of air-flow, make the laminar boundary layer turbulent flowization between high-temperature flue gas and the first outer pipe surface, enhance transmission of heat by convection, it is to increase heat exchange efficiency. Air enters the 2nd heat exchanger unit by the 2nd expansion joint subsequently, then enters heat radiation chamber, takes away interior cylinder heat by washing away interior cylinder, increases temperature further, reduces inner tube wall temperature, it is to increase in the work-ing life of interior cylinder, final air is exported by air vout simultaneously.
Meanwhile, combustion gas enters interior cylinder by fuel gas inlet, and interior cylinder provides the enough spaces needed for fuel gas buring, cylinder in flame radiaton simultaneously, the high-temperature flue gas that fuel gas buring produces by the first heat exchanger unit and the 2nd heat exchanger unit and convection of air heat exchange, is finally discharged by exhanst gas outlet successively.
Relative to prior art, the useful effect of the utility model fuel gas hot-blast stove is: air is increased temperature by (1) heat exchange burner hearth further, it is to increase heat exchange efficiency and extend work-ing life of burner hearth; The dimensional change that (2) first expansion joints and the 2nd expansion joint absorb expanding with heat and contract with cold of fuel gas hot-blast stove and cause, reduces the deformed damaged of equipment, extends the work-ing life of equipment; (3) owing to having two heat exchanger units, therefore heat exchange process is longer, it is to increase heat exchange efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of fuel gas hot-blast stove.
Fig. 2 is the sectional view of fuel gas hot-blast stove.
Fig. 3 is the structural representation of the first expansion joint.
Fig. 4 is the structural representation of the 2nd expansion joint.
In figure: 1, gas tank on first, 2, first time gas tank, 3, first flue gas case, 4, gas inlet, 5, exhanst gas outlet, 6, gas tank on 2nd, 7, 2nd time gas tank, 8, 2nd flue gas case, 9, air vout, 10, fuel gas inlet, 11, pipe in first, 12, first outer tube, 13, first jet flow hole, 14, pipe in 2nd, 15, 2nd outer tube, 16, 2nd jet flow hole, 17, first corrugated tube, 18, first flange, 19, 2nd corrugated tube, 20, 2nd flange, 21, guide spiro rod, 22, outer stop nut, 23, interior stop nut, 24, interior cylinder, 25, urceolus, 26, heat radiation chamber.
Embodiment
For the technology feature of this scheme can be clearly demonstrated, with reference to the accompanying drawings the utility model embodiment is described further below.
As shown in Fig. 1 ~ Fig. 4, a kind of fuel gas hot-blast stove, comprises the first heat exchanger unit, the 2nd heat exchanger unit and heat exchange burner hearth.
First heat exchanger unit comprises gas tank 1, first time gas tank 2 and the first flue gas case 3 on first, on first, gas tank 1 is provided with gas inlet 4, on first, gas tank 1 is connected with first time gas tank 2 by the first jet pipe, it is inner that first jet pipe is positioned at the first flue gas case 3, and the first flue gas case 3 is provided with exhanst gas outlet 5; 2nd heat exchanger unit is comprised gas tank 6 on gas tank 6 on the 2nd, the 2nd time gas tank 7 and the 2nd flue gas case the 8, two and is connected with the 2nd time gas tank 7 by the 2nd jet pipe, and it is inner that the 2nd jet pipe is positioned at the 2nd flue gas case 8; First flue gas case 3 is connected with the 2nd flue gas case 8 by the first expansion joint, and first time gas tank 2 is connected with the 2nd time gas tank 7 by the 2nd expansion joint; Heat exchange burner hearth comprises interior cylinder 24 and coaxial sleeve is located at the urceolus 25 of interior cylinder 24 outside, heat radiation chamber 26 is formed between interior cylinder 24 and urceolus 25, spiral flow deflector 27 it is provided with in heat radiation chamber 26, interior cylinder 24 is provided with fuel gas inlet 10, urceolus 25 is provided with air vout 9, interior cylinder 24 is connected with the 2nd flue gas case 8, and heat radiation chamber 26 is connected with gas tank 6 on the 2nd.
First jet pipe comprises pipe 11, first outer tube 12 in first, described first outer tube 12 coaxial sleeve to be located in first pipe 11 outside and interval has living space, in first, anchor ring between pipe 11 and the first outer tube 12 upper end is closed, the lower end closed of pipe 11 in first, in first, the upper port of pipe 11 is connected with gas tank on first 1, the lower port of the first outer tube 12 is connected with first time gas tank 2, and in first, the periphery of pipe 11 is provided with the first jet flow hole 13; 2nd jet pipe comprises pipe 14 in the 2nd, the 2nd outer tube 15, described 2nd outer tube 15 coaxial sleeve to be located in the 2nd pipe 14 outside and interval has living space, in 2nd, anchor ring between pipe 14 and the 2nd outer tube 15 times ends is closed, the upper end closed of pipe 14 in 2nd, in 2nd, the lower port of pipe 14 is connected with the 2nd time gas tank 7, the upper port of the 2nd outer tube 15 is connected with gas tank 6 on the 2nd, and in the 2nd, the periphery of pipe 14 is provided with the 2nd jet flow hole 16.
It is the first circular corrugated tube 17, the first flange 18 being located at the first corrugated tube 17 two ends, guide spiro rod 21, outer stop nut 22 and interior stop nut 23 that first expansion joint comprises cross section, first flange 18 is provided with guiding hole, guide spiro rod 21 is through guiding hole, outer stop nut 22, interior stop nut 23 all with guide spiro rod 21 thread fit, outer stop nut 22 and interior stop nut 23 lay respectively at the both sides of respective side first flange 18, guide spiro rod 21 has three, and three guide spiro rods 21 are uniform along the axis of the first corrugated tube 17; It is rectangular 2nd corrugated tube 19 and the 2nd flange 20 being located at the 2nd corrugated tube two ends that 2nd expansion joint comprises cross section.
Principle of work of the present utility model: air enters gas tank 1 on first by gas inlet 4, air enters in first after pipe 11 by the first jet flow hole 13 high velocity spray to the first outer tube 12 inwall, under the shock action of air-flow, make the laminar boundary layer turbulent flowization between high-temperature flue gas and the first outer tube 12 surface, enhance transmission of heat by convection, it is to increase heat exchange efficiency. Air enters the 2nd heat exchanger unit by the 2nd expansion joint subsequently, then enters heat radiation chamber 26, takes away interior cylinder 24 heat by washing away interior cylinder 24, increase temperature further, cylinder 24 wall temperature in simultaneously reducing, it is to increase in the work-ing life of interior cylinder 24, final air is exported by air vout 9.
Meanwhile, combustion gas enters interior cylinder by fuel gas inlet 10, interior cylinder 24 provides the enough spaces needed for fuel gas buring, cylinder 24 in flame radiaton simultaneously, the high-temperature flue gas that fuel gas buring produces by the first heat exchanger unit and the 2nd heat exchanger unit and convection of air heat exchange, is finally discharged by exhanst gas outlet 5 successively.
Above in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make a variety of changes under the prerequisite not departing from the utility model objective.
Claims (7)
1. a fuel gas hot-blast stove, it is characterised in that: comprise the first heat exchanger unit, the 2nd heat exchanger unit and heat exchange burner hearth; Described first heat exchanger unit comprises gas tank on first (1), first time gas tank (2) and the first flue gas case (3), on described first, gas tank (1) is provided with gas inlet (4), on first, gas tank (1) is connected with first time gas tank (2) by the first jet pipe, it is inner that first jet pipe is positioned at the first flue gas case (3), and the first flue gas case (3) is provided with exhanst gas outlet (5); Described 2nd heat exchanger unit comprises gas tank (6) on the 2nd, the 2nd time gas tank (7) and the 2nd flue gas case (8), on described 2nd, gas tank (6) is connected with the 2nd time gas tank (7) by the 2nd jet pipe, and it is inner that the 2nd jet pipe is positioned at the 2nd flue gas case (8); Described first flue gas case (3) is connected with the 2nd flue gas case (8) by the first expansion joint, and described first time gas tank (2) is connected with the 2nd time gas tank (7) by the 2nd expansion joint; Described heat exchange burner hearth comprises interior cylinder (24) and coaxial sleeve is located at the outside urceolus (25) of interior cylinder (24), heat radiation chamber (26) is formed between interior cylinder (24) and urceolus (25), interior cylinder (24) is provided with fuel gas inlet (10), urceolus (25) is provided with air vout (9), interior cylinder (24) is connected with the 2nd flue gas case (8), and heat radiation chamber (26) is connected with gas tank (6) on the 2nd.
2. fuel gas hot-blast stove according to claim 1, it is characterized in that: described first jet pipe comprises pipe (11) in first, first outer tube (12), described first outer tube (12) coaxial sleeve is located in first to manage (11) outside also interval have living space, manage the anchor ring between (11) and the first outer tube (12) upper end in first to close, the lower end closed of pipe (11) in first, in first, the upper port of pipe (11) is connected with gas tank on first (1), the lower port of the first outer tube (12) is connected with first time gas tank (2), in first, the periphery of pipe (11) is provided with the first jet flow hole (13), described 2nd jet pipe comprises pipe (14), the 2nd outer tube (15) in the 2nd, described 2nd outer tube (15) coaxial sleeve is located in the 2nd to manage (14) outside also interval have living space, manage the anchor ring between (14) and the 2nd outer tube (15) lower end in 2nd to close, the upper end closed of pipe (14) in 2nd, in 2nd, the lower port of pipe (14) is connected with the 2nd time gas tank (7), the upper port of the 2nd outer tube (15) is connected with gas tank (6) on the 2nd, and in the 2nd, the periphery of pipe (14) is provided with the 2nd jet flow hole (16).
3. fuel gas hot-blast stove according to claim 1 and 2, it is characterised in that: described first expansion joint comprises the first corrugated tube (17) and is located at first flange (18) at the first corrugated tube (17) two ends;Described 2nd expansion joint comprises the 2nd corrugated tube (19) and is located at the 2nd flange (20) at the 2nd corrugated tube two ends.
4. fuel gas hot-blast stove according to claim 3, it is characterized in that: described first expansion joint also comprises guide spiro rod (21), outer stop nut (22) and interior stop nut (23), first flange (18) is provided with guiding hole, described guide spiro rod (21) is through guiding hole, described outer stop nut (22), interior stop nut (23) all lay respectively at the both sides of respective side first flange (18) with guide spiro rod (21) thread fit, outer stop nut (22) and interior stop nut (23).
5. fuel gas hot-blast stove according to claim 4, it is characterised in that: described first expansion joint comprises three guide spiro rods (21), and three guide spiro rods (21) are uniform along the axis of the first corrugated tube (17).
6. fuel gas hot-blast stove according to claim 3, it is characterised in that: the cross section of described first corrugated tube (17) is circular, and the cross section of the 2nd corrugated tube (19) is rectangle.
7. fuel gas hot-blast stove according to claim 1 and 2, it is characterised in that: it is provided with spiral flow deflector (27) in described heat radiation chamber (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069092.3U CN205299936U (en) | 2016-01-25 | 2016-01-25 | Gas combustion hot blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620069092.3U CN205299936U (en) | 2016-01-25 | 2016-01-25 | Gas combustion hot blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205299936U true CN205299936U (en) | 2016-06-08 |
Family
ID=56427234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620069092.3U Expired - Fee Related CN205299936U (en) | 2016-01-25 | 2016-01-25 | Gas combustion hot blast furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205299936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595941A (en) * | 2019-01-16 | 2019-04-09 | 上海上创超导科技有限公司 | A kind of metal boiler tube heat expansion deforms controllable high-temperature heat treatment tube furnace |
-
2016
- 2016-01-25 CN CN201620069092.3U patent/CN205299936U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595941A (en) * | 2019-01-16 | 2019-04-09 | 上海上创超导科技有限公司 | A kind of metal boiler tube heat expansion deforms controllable high-temperature heat treatment tube 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20200125 |