CN203517790U - Non-draught-fan combustor - Google Patents
Non-draught-fan combustor Download PDFInfo
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- CN203517790U CN203517790U CN201320552537.XU CN201320552537U CN203517790U CN 203517790 U CN203517790 U CN 203517790U CN 201320552537 U CN201320552537 U CN 201320552537U CN 203517790 U CN203517790 U CN 203517790U
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Abstract
A non-draught-fan combustor comprises a high-pressure fuel gas inlet device, two sets of double-level venturi tubes, a vacuum mixing chamber and a combustion nozzle, the double-level venturi tubes connected in parallel are connected with the high-pressure fuel gas inlet device, the combustion nozzle is connected with the double-level venturi tubes, the vacuum mixing chamber is communicated with the atmosphere, the head levels and the tail levels of the double-level venturi tubes are connected at the side face opening of the vacuum mixing chamber, a combustion nozzle inner tube connected with one set of double-level venturi tubes is sleeved with a combustion nozzle outer tube connected with the other set of double-level venturi tubes, one end of the combustion nozzle outer tube is in sealing connection with the outer wall of the combustion nozzle inner tube, an isolating tube is arranged between the combustion nozzle outer tube and the combustion nozzle inner tube, the port of the isolation tube is located inside the combustion nozzle outer tube, a certain distance exists between the port of the isolation tube and the port of the combustion nozzle outer tube, the port of the combustion nozzle inner tube is located inside the isolation tube, and a certain distance exists between the port of the combustion nozzle inner tube and the port of the isolation tube. Due to the fact that a draught fan is removed, energy sources are saved, a steel or iron ladle can be heated evenly and sufficiently, the baking quality and baking efficiency are greatly improved, and production cost is reduced.
Description
Technical field
The utility model relates to a kind of burner, and especially steel/iron bag roasting plant is used without blower fan burner.
Background technology
At modern steelshop, before tapping/iron, need, with steel/iron bag roasting plant, steel/iron ladle-lining is carried out to high temperature and toast fast.In smelting cycle, by the baking of steel/iron bag being improved as far as possible to the temperature of steel/iron bag cylinder-packing, reduce the temperature drop of steel/molten iron in bag, to being economized on electricity, reduce all many-sided comprehensive benefits such as consumption of refractory material.
In steel/iron bag roasting plant of prior art, all will use the air blast mechanism that is used as power delivers air in burner, to reach the object that makes air and combustion gas mixing, because use air blast and relevant attaching parts thereof, thereby cause the increase of steel/iron bag roasting plant related components, and causing the excess loss of the energy, cost also increases thereupon.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of and can not use air blast and utilize self structure can realize the well-mixed without blower fan burner of air and combustion gas.
The technical scheme that the utility model adopts in order to solve the problems of the technologies described above is:
oneplant without blower fan burner, comprise high-pressure gas inlet device, two cover chopped-off head Venturi tubes, vacuum mixing chamber, two cover final stage Venturi tube and burners, described high-pressure gas inlet device comprises two combustion gas inlet pipes that be arranged in parallel, the chopped-off head Venturi tube high speed nozzle that two described cover chopped-off head Venturi tubes include chopped-off head Venturi tube guiding tube and are fixedly connected with its one end, the other end of two described chopped-off head Venturi tube guiding tubes is fixedly connected with two combustion gas inlet pipes respectively, two described cover final stage Venturi tubes include final stage Venturi tube collapsible tube, final stage Venturi tube anemostat and the final stage Venturi tube trunnion that connects the former two, a side of described vacuum mixing chamber is provided with the opening communicating with atmosphere, on another two corresponding sides of vacuum mixing chamber, be respectively equipped with the circular hole penetrating for chopped-off head Venturi tube guiding tube, and the circular hole being connected with final stage Venturi tube collapsible tube big opening end, chopped-off head Venturi tube high speed nozzle is connected with final stage Venturi tube collapsible tube by the circular hole of connecting for final stage Venturi tube collapsible tube big opening end, described burner comprises burner inner tube and the burner outer tube being connected with two final stage Venturi tube anemostats by tube connector I and tube connector II respectively, described burner inner tube is sleeved on the inside of burner outer tube, the outer wall of one end of burner outer tube and burner inner tube is tightly connected, between described burner outer tube and burner inner tube, be provided with pipe, the port of pipe is inner in burner outer tube, and the port apart from burner outer tube leaves certain distance, the port of burner inner tube is inner in pipe, and the port apart from pipe leaves certain distance.
Also comprise a tube connector III, described tube connector III one end is connected with tube connector I is vertical, and the other end is connected with burner inner tube, described burner outer tube and tube connector II vertical connection.
Described burner inner tube comprises a burner inner tube collapsible tube being fixedly connected with it, burner outer tube comprises a burner outer tube collapsible tube being fixedly connected with it, and the small end of described burner inner tube collapsible tube and burner outer tube collapsible tube is respectively the burning port of burner inner tube and the burning port of burner outer tube.
In two described combustion gas inlet pipes, be respectively equipped with gas consumption adjusting valve.
Between vacuum mixing chamber and burner, be also provided with and be connected and fixed body, the described body that is connected and fixed is formed by connecting by five blocks of plates, the rectangular box shape that is a side opening, its open side is connected by flange with vacuum mixing chamber, the described body that is connected and fixed surrounds two cover final stage Venturi tubes wherein, at the opposite side corresponding with its open side, is provided with the circular hole corresponding with final stage Venturi tube anemostat.
Beneficial effect:
According to the utility model, under the effect of air pull of vacuum in vacuum mixing chamber, mix mutually with the high-pressure gas at chopped-off head Venturi tube high speed nozzle place, thereby saved blower equipment; In addition owing to adopting the burner of two cover twin-stage Venturi tubes structure parallel with one another and burner inner tube and burner outer tube suit, the flame of burner is divided into inside and outside two bunches, intra-cluster flame diameter is little, flame is long, mainly steel/iron bag bottom is toasted, extra-cluster flame diameter is large, flame is short, mainly the sidewall of steel/iron bag is carried out to heated baking; When this structure makes to toast, being heated more evenly of steel/iron bag, more abundant, has greatly improved the efficiency of baking quality and baking, thereby has reduced production costs.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A view of Fig. 1.
In figure, 1, high-pressure gas inlet device, 101, combustion gas inlet pipe, 2, chopped-off head Venturi tube, 201, chopped-off head Venturi tube guiding tube, 202, chopped-off head Venturi tube high speed nozzle, 3, vacuum mixing chamber, 4, final stage Venturi tube, 401, final stage Venturi tube collapsible tube, 402, final stage Venturi tube trunnion, 403, final stage Venturi tube anemostat, 5, burner, 501, burner inner tube, 5011, burner inner tube collapsible tube, 502, burner outer tube, 5021, burner outer tube collapsible tube, 503, pipe, 6, gas consumption adjusting valve, 7, be connected and fixed body, 8, tube connector I, 9, tube connector II, 10, tube connector III.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further concrete detailed explanation.
As shown in the figure,
oneplant without blower fan burner, comprise high-pressure gas inlet device 1, two cover chopped-off head Venturi tubes 2, vacuum mixing chamber 3, two cover final stage Venturi tube 4 and burners 5, described high-pressure gas inlet device 1 comprises two combustion gas inlet pipes 101 that be arranged in parallel, the chopped-off head Venturi tube high speed nozzle 202 that two described cover chopped-off head Venturi tubes 2 include chopped-off head Venturi tube guiding tube 201 and are fixedly connected with bolt by flange with its one end, the other end of two described chopped-off head Venturi tube guiding tubes 201 is fixedly connected by welding with two combustion gas inlet pipes 101 respectively, two described cover final stage Venturi tubes 4 include final stage Venturi tube collapsible tube 401, final stage Venturi tube anemostat 403 and the final stage Venturi tube trunnion 402 that is connected the former two by flange with bolt, a side of described vacuum mixing chamber 3 is provided with the opening 301 communicating with atmosphere, on another two corresponding sides of vacuum mixing chamber 3, be respectively equipped with the circular hole penetrating for chopped-off head Venturi tube guiding tube 201, and the circular hole being connected with final stage Venturi tube collapsible tube 401 big opening ends, chopped-off head Venturi tube high speed nozzle 202 is connected with final stage Venturi tube collapsible tube 401 by the circular hole of connecting for final stage Venturi tube collapsible tube 401 big opening ends, described burner 5 comprises burner inner tube 501 and the burner outer tube 502 being connected with two final stage Venturi tube anemostats 403 by tube connector I 8 and tube connector II 9 respectively, described burner inner tube 501 is sleeved on the inside of burner outer tube 502, one end of burner outer tube 502 is connected with bolt seal by flange with the outer wall of burner inner tube 501, also can use the direct welded seal of sealing plate, between described burner outer tube 502 and burner inner tube 501, be provided with pipe 503, the port of pipe 503 is in burner outer tube 502 inside, and the port apart from burner outer tube 502 leaves certain distance, the port of burner inner tube 501 is in pipe 503 inside, and the port apart from pipe 503 leaves certain distance.
Also comprise a tube connector III 10, described tube connector III 10 one end are connected with tube connector I 8 is vertical, and the other end is connected with burner inner tube 501, described burner outer tube 502 and tube connector II 9 vertical connections.
Described burner inner tube 501 comprises a burner inner tube collapsible tube 5011 being fixedly connected with it, burner outer tube 502 comprises a burner outer tube collapsible tube 5021 being fixedly connected with it, and described burner inner tube collapsible tube 5011 and the small end of burner outer tube collapsible tube 5021 are respectively the burning port of burner inner tube 501 and the burning port of burner outer tube 502.
In order to control the flow with regulating gas, in two described combustion gas inlet pipes 101, be respectively equipped with gas consumption adjusting valve 6.
In order to strengthen the robustness of whole burner, between vacuum mixing chamber 3 and burner 5, be also provided with and be connected and fixed body 7, the described body 7 that is connected and fixed is formed by connecting by five blocks of plates, the rectangular box shape that is a side opening, its open side is connected by flange with vacuum mixing chamber 3, the described body 7 that is connected and fixed surrounds two cover final stage Venturi tubes 4 wherein, at the opposite side corresponding with its open side, is provided with the circular hole corresponding with final stage Venturi tube anemostat 403.
During the utility model work:
The combustion gas inlet pipe 101 that the high-pressure gas that the external world provides divides two-way to flow to high-pressure gas inlet device 1;
And under the control of gas consumption adjusting valve 6, entering respectively two cover chopped-off head Venturi tubes 2, chopped-off head Venturi tube guiding tube 201 makes to flow to disorderly gas-flow to unanimously; Supersonic speed acceleration is carried out in 202 pairs of combustion gas of chopped-off head Venturi tube high speed nozzle, realizes comb stream speedup;
High-pressure gas after comb stream speedup, at the interior suction large quantity of air of vacuum mixing chamber 3, forms the mist of combustion gas and air;
Mist enters respectively two cover final stage Venturi tubes 4, and final stage Venturi tube collapsible tube 401 reaches unanimity the flow direction that flows to disorderly mist, realizes and accelerating; It is consistent that final stage Venturi tube trunnion 402 flows to mist, realizes further and accelerating; And final stage Venturi tube anemostat 403 makes the mist after comb stream speedup enter burner 5, and in this process, gaseous mixture is further combed to stream speedup;
Wherein a road mist enters burner inner tube 501, after burner inner tube 501 and burner inner tube collapsible tube 5011, burn, burned flame feature is area little (diameter is little), flame high (length), main realization being baked the heating of object steel/iron bag bottom; Another road mist enters the burner outer tube 502 of burner 5, flow out after burner outer tube collapsible tube 5021, burn, burned flame feature is large (diameter is large), flame low (short) of area, mainly realizes being baked the heating of object steel/iron bag periphery; To being baked, heating target steel/iron bag is abundant in both common realizations, homogeneous heating baking.
Claims (5)
1. one kind without blower fan burner, it is characterized in that: comprise high-pressure gas inlet device (1), two cover chopped-off head Venturi tubes (2), vacuum mixing chamber (3), two cover final stage Venturi tube (4) and burners (5), described high-pressure gas inlet device (1) comprises two combustion gas inlet pipes (101) that be arranged in parallel, the chopped-off head Venturi tube high speed nozzle (202) that two described cover chopped-off head Venturi tubes (2) include chopped-off head Venturi tube guiding tube (201) and are fixedly connected with its one end, the other end of described two chopped-off head Venturi tube guiding tubes (201) is fixedly connected with two combustion gas inlet pipes (101) respectively, two described cover final stage Venturi tubes (4) include final stage Venturi tube collapsible tube (401), final stage Venturi tube anemostat (403) and the final stage Venturi tube trunnion (402) that connects the former two, a side of described vacuum mixing chamber (3) is provided with the opening (301) communicating with atmosphere, on another two corresponding sides of vacuum mixing chamber (3), be respectively equipped with the circular hole penetrating for chopped-off head Venturi tube guiding tube (201), and the circular hole being connected with final stage Venturi tube collapsible tube (401) big opening end, chopped-off head Venturi tube high speed nozzle (202) is connected with final stage Venturi tube collapsible tube (401) by the circular hole of connecting for final stage Venturi tube collapsible tube (401) big opening end, described burner (5) comprises burner inner tube (501) and the burner outer tube (502) being connected with two final stage Venturi tube anemostats (403) by tube connector I (8) and tube connector II (9) respectively, described burner inner tube (501) is sleeved on the inside of burner outer tube (502), the outer wall of one end of burner outer tube (502) and burner inner tube (501) is tightly connected, between described burner outer tube (502) and burner inner tube (501), be provided with pipe (503), the port of pipe (503) is in burner outer tube (502) inside, and the port apart from burner outer tube (502) leaves certain distance, the port of burner inner tube (501) is in pipe (503) inside, and the port apart from pipe (503) leaves certain distance.
2. according to claim 1 a kind of without blower fan burner, it is characterized in that: also comprise a tube connector III (10), described tube connector III (10) one end and vertical being connected of tube connector I (8), the other end is connected with burner inner tube (501), described burner outer tube (502) and tube connector II (9) vertical connection.
3. according to claim 1 and 2 a kind of without blower fan burner, it is characterized in that: described burner inner tube (501) comprises a burner inner tube collapsible tube (5011) being fixedly connected with it, burner outer tube (502) comprises a burner outer tube collapsible tube (5021) being fixedly connected with it, and described burner inner tube collapsible tube (5011) and the small end of burner outer tube collapsible tube (5021) are respectively the burning port of burner inner tube (501) and the burning port of burner outer tube (502).
4. according to claim 1 a kind of without blower fan burner, it is characterized in that: in described two combustion gas inlet pipes (101), be respectively equipped with gas consumption adjusting valve (6).
5. according to claim 1 a kind of without blower fan burner, it is characterized in that: between vacuum mixing chamber (3) and burner (5), be also provided with and be connected and fixed body (7), the described body (7) that is connected and fixed is formed by connecting by five blocks of plates, the rectangular box shape that is a side opening, its open side is connected by flange with vacuum mixing chamber (3), the described body (7) that is connected and fixed surrounds two cover final stage Venturi tubes (4) wherein, at the opposite side corresponding with its open side, is provided with the circular hole corresponding with final stage Venturi tube anemostat (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552537.XU CN203517790U (en) | 2013-09-06 | 2013-09-06 | Non-draught-fan combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552537.XU CN203517790U (en) | 2013-09-06 | 2013-09-06 | Non-draught-fan combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203517790U true CN203517790U (en) | 2014-04-02 |
Family
ID=50376719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552537.XU Expired - Lifetime CN203517790U (en) | 2013-09-06 | 2013-09-06 | Non-draught-fan combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203517790U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438455A (en) * | 2013-09-06 | 2013-12-11 | 洛阳沃达机械技术开发有限公司 | Blower-free combustor |
| CN107388247A (en) * | 2015-11-16 | 2017-11-24 | 刘操 | A kind of energy-saving environment-friendly gasification formula oil burner |
| CN109612105A (en) * | 2018-11-30 | 2019-04-12 | 南安市博铭工业设计有限公司 | The gas heater gas pipeline of variable diameter speed-raising and anti-blocking of backflowing |
| CN114042390A (en) * | 2021-10-28 | 2022-02-15 | 石河子大学 | Venturi suction device |
-
2013
- 2013-09-06 CN CN201320552537.XU patent/CN203517790U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438455A (en) * | 2013-09-06 | 2013-12-11 | 洛阳沃达机械技术开发有限公司 | Blower-free combustor |
| CN107388247A (en) * | 2015-11-16 | 2017-11-24 | 刘操 | A kind of energy-saving environment-friendly gasification formula oil burner |
| CN109612105A (en) * | 2018-11-30 | 2019-04-12 | 南安市博铭工业设计有限公司 | The gas heater gas pipeline of variable diameter speed-raising and anti-blocking of backflowing |
| CN109612105B (en) * | 2018-11-30 | 2021-04-30 | 河北任德管业有限公司 | Gas pipeline for reducing speed-increasing and backflow-blocking-preventing gas water heater |
| CN114042390A (en) * | 2021-10-28 | 2022-02-15 | 石河子大学 | Venturi suction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471039 No. 8 Qingcheng Road, hi tech Industrial Development Zone, Henan, Luoyang Patentee after: LUOYANG WODA ENERGY SAVING TECHNOLOGY CO.,LTD. Address before: 471039 No. 8 Qingcheng Road, hi tech Industrial Development Zone, Henan, Luoyang Patentee before: LUOYANG WODA MACHINERY TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
|
| CX01 | Expiry of patent term |