CN209655295U - A kind of double gas combustion apparatus - Google Patents
A kind of double gas combustion apparatus Download PDFInfo
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- CN209655295U CN209655295U CN201920305317.4U CN201920305317U CN209655295U CN 209655295 U CN209655295 U CN 209655295U CN 201920305317 U CN201920305317 U CN 201920305317U CN 209655295 U CN209655295 U CN 209655295U
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Abstract
The utility model discloses a kind of double gas combustion apparatus, including air pipeline, burner, combustion controller, it further include low-BTU gas pipeline, high heat value gas pipeline, mixing duct, first pneumatic cut-off valve, second pneumatic cut-off valve, third pneumatic cut-off valve, the low-BTU gas pipeline and high heat value gas pipeline tail end are connected with mixing duct, the mixing duct and air pipeline are connected with burner, first pneumatic cut-off valve, second pneumatic cut-off valve, third pneumatic cut-off valve is separately positioned on low-BTU gas pipeline, high heat value gas pipeline, on mixing duct, the combustion controller is electrically connected with three pneumatic cut-off valves and burner, the utility model bring beneficial effect has: 1, it can or manual switching gas supply source electronic according to the demand of people, improve the convenience and safety of the switching of combustion gas Property, 2, temperature monitoring can be carried out to burner hot spots, and it can guarantee that detection data is accurate.
Description
Technical field
The utility model relates to fuel gas buring fields, and in particular to a kind of double gas combustion apparatus.
Background technique
Currently, combustion gas is divided into two class of high heating value combustion gas and fuel gas with low heat value in gas burning field, high heating value refers to that every standard is vertical
Its flue gas is cooled to original temperature after square rice combustion gas completely burned, and vapor therein is to condense water state discharge Shi Suofang
Heat out, including natural gas and oven gas etc., are high heating value combustion gas, and low heat value refers to that every standard cubic meter combustion gas is complete
After burning, flue gas is cooled to original temperature, but the vapor in flue gas is still by the heat released when vapor state, including
Producer gas and blast furnace gas etc., the calorific value of combustion gas are calorific value liters under same thermic load an important factor for determining combustion gas selection
Height, air consumption is reduced, but gas source price also can be higher than the gas price lattice of low heat value, and after calorific value increases too much, air consumption is reduced
Too much, the specified combustion gas stream magnitude of gas utensil may be lower than, that is can deviate declared working condition in this way, heat may be will affect
Efficiency, fuel gas buring is incomplete, cannot efficiently use, and will also result in pollution, since two kinds of fuel gases calorific value differences are big, pipeline,
Instrument, valve etc. cannot share, and switch combustion gas, need replacing the equipment such as valve, instrument and route, modify meter parameter and control
System software processed.The time for generally requiring extremely to grow is implemented in these work, brings huge loss to the production of factory.
Utility model content
In order to solve problem above, the utility model provides a kind of double gas combustion apparatus, including air pipeline, burning
Mouth, combustion controller further include low-BTU gas pipeline, high heat value gas pipeline, mixing duct, the first pneumatic cut-off valve,
Two pneumatic cut-off valves, third pneumatic cut-off valve, the low-BTU gas pipeline and high heat value gas pipeline tail end are and mixing tube
Road is connected, and the mixing duct and air pipeline are connected with burner, first pneumatic cut-off valve, the second pneumatic cutting
Valve, third pneumatic cut-off valve are separately positioned on low-BTU gas pipeline, high heat value gas pipeline, on mixing duct, the burning
Controller is electrically connected with three pneumatic cut-off valves and burner.
Preferably, further include first manual gate valve, the second manual gate valve, third manual gate valve, the 4th manual gate valve, it is described
The first, second, the head end that the 4th manual gate valve is arranged at low-BTU gas pipeline, high heat value gas pipeline, air pipeline, institute
Third manual gate valve is stated to be arranged in high heat value gas pipeline tail end.
Preferably, further including pressure sensor, the pressure sensor is four, is separately positioned on low-BTU gas pipe
Road, mixing duct, on air pipeline, and is connected high heat value gas pipeline with combustion controller.
Preferably, further including the first electric control valve, the second electric control valve, the first electric control valve setting is mixed
It closes on pipeline, second electric control valve is arranged on air pipeline, first electric control valve and the second motorized adjustment
Valve is connected with combustion controller.
Preferably, further including temperature sensor, the temperature sensor is set to burner position, and is connected in combustion controller
It connects.
Preferably, three is set to same position there are three the temperature sensor sets, same position temperature is monitored.
Preferably, the low-BTU gas pipeline opening is equipped with blower.
The utility model bring beneficial effect has: 1, can or manual switching combustion gas electronic according to the demand of people supply
Source is answered, improves the convenience and safety of the switching of combustion gas, 2, temperature monitoring, and energy can be carried out to burner hot spots
Enough guarantee that detection data is accurate.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram
1. air pipeline in figure, 2. burners, 3. combustion controllers, 4. low-BTU gas pipelines, 5. high heat value gas pipelines,
6. mixing duct, 7. first pneumatic cut-off valves, 8. second pneumatic cut-off valves, 9. third pneumatic cut-off valves, 10. first manual locks
Valve, 11. second manual gate valves, 12. third manual gate valves, 13. the 4th manual gate valves, 14. pressure sensors, 15. first is electronic
Regulating valve, 16. second electric control valves, 17. temperature sensors, 18. blowers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figure 1, a kind of double gas combustion apparatus, including air pipeline 1, burner 2, combustion controller 3, it further include low
Calorific value gas pipeline 4, high heat value gas pipeline 5, mixing duct 6, the first pneumatic cut-off valve 7, the second pneumatic cut-off valve 8, third
Pneumatic cut-off valve 9, the low-BTU gas pipeline 4 and high heat value gas pipeline 5 are connected with mixing duct 6, the mixing
Pipeline 6 and air pipeline 1 are connected with burner 2, and first pneumatic cut-off valve 7, the second pneumatic cut-off valve 8, third are pneumatically cut
Disconnected valve 9 is separately positioned on low-BTU gas pipeline 4, high heat value gas pipeline 5, on mixing duct 6, the combustion controller 3 with
Three pneumatic cut-off valves and burner 2 are electrically connected.Three pneumatic cut-off valves are controlled by combustion controller 3, realize combustion gas in pipeline
Cutting, connection or switching, pneumatic cut-off valve use soft sealing structure, design have working seal and maintenance sealing, operating force
Square is small, and seal pressure is moderate, and sealed reliable is sensitive, when needing to carry out fuel gas with low heat value for seasonable, need to only control burning control
Device 3 processed opens the first pneumatic cut-off valve 7 and third pneumatic cut-off valve 9, simultaneously closes off the second pneumatic cut-off valve 8, guarantees low heat value
Combustion gas can pass through low-BTU gas pipeline 4 and mixing duct 6 flows at burner 2, similarly, if necessary to carry out high heating value
Gas supply need to only close the first pneumatic cut-off valve 7, keep the second pneumatic cut-off valve 8 and the unlatching of third pneumatic cut-off valve 9 is
Can, low-BTU gas pipeline 4 and high heating value pipeline can also be opened simultaneously, make fuel gas with low heat value and high heating value combustion gas while importing
In mixing duct 6, noting however that compound percentages, high heat value gas is usually mixed into low-BTU gas, is generally mixed into
High heat value gas percentage be 5 percent, most 7 percent, ten are no more than in the case of special operation, is not so easily caused
Gas pressure generates biggish variation, causes pipeline that contingency occurs, it is only necessary to control pneumatic cutting by combustion controller 3
The connection or switching of valve, it will be able to which the switching for realizing different calorific value fuel gas saves the working time, further includes first manual gate valve
10, the second manual gate valve 11, third manual gate valve 12, the 4th manual gate valve 13, described first, second, the 4th manual gate valve 13
It is arranged at the head end of low-BTU gas pipeline 4, high heat value gas pipeline 5, air pipeline 1, the third manual gate valve 12 is set
It sets in high heat value gas pipeline 5 close to the position of air inlet, the purpose that manual gate valve is arranged is not only to provide one kind to open manually
Open and close the mode of gas pipeline, it is even more important that the safety that combustion gas uses can be improved in this way, in existing burning
In device, the distance of combustion controller 3 be usually arranged at a distance from gas pipeline farther out, by control combustion controller 3 come
When disconnecting pneumatic cut-off valve, it can not determine whether pneumatic cut-off valve has turned on or close, once it breaks down, such as a certain
Pneumatic cut-off valve is not shut, and gas persistently inputs, and gently then be will lead to efficiency of combustion and is lower, it is heavy then in combustion furnace with air or
After the mixing limit of person's oxygen, once igniting will explode, consequence and its serious, therefore manual gate valve is arranged not only can be with
Facilitate worker to be turned off manually and connect gas pipeline, it is even more important that, can be again by phase after closing pneumatic cut-off valve
Corresponding manual gate valve is also closed, and fortuitous event is prevented from there through double insurance, further riser tubing
Safety, the third manual gate valve 12 are arranged in 5 tail end of high heat value gas pipeline, why in 5 tail of high heat value gas pipeline
The purpose that end adds third manual gate valve 12 is because when combustion gas is switched to low-BTU gas pipeline 4 by high heat value gas pipeline 5
When, some high heat value gas can be remained in high heat value gas pipeline 5, in order to avoid unnecessary accident, added in the pipeline tail end
If third manual gate valve 12, guarantee that residual gas will not be mixed into low heat value pipeline.It further include pressure sensor 14, the pressure
Sensor 14 is four gas pressure sensors, is separately positioned on low-BTU gas pipeline 4, high heat value gas pipeline 5, mixing tube
It on road 6, air pipeline 1, and is electrically connected with combustion controller 3, four pressure sensors 14 detect gas with various pipeline respectively
Gas pressure, further include the first electric control valve 16, the second electric control valve 17, the setting of the first electric control valve 16 exists
On mixing duct 6, second electric control valve 17 is arranged on air pipeline 1, first electric control valve 16 and second
Electric control valve 17 is connected with combustion controller 3, when pressure occur in high heat value gas pipeline 5 and low-BTU gas pipeline 4
The influx of combustion gas is excessive in the excessive namely unit time, and respective pressure sensor 14 can be issued to combustion controller 3 to be believed
Number, once the pressure sensor 14 of mixing duct 6 also transmits pressure anomaly signal to combustion controller 3, combustion controller 3 will
It controls the first electric control valve 16 to be adjusted, the first electric control valve 16 can reduce the aperture of regulating valve, to combustion gas in pipeline
Flow be adjusted, similarly, the principle of the second electric control valve 17 be also it is the same, can be effective by two electric control valves
Guarantee combustion gas and the ratio of air will not have big difference, can adequately be burnt, not will cause because matching not just
The problem of really leading to inefficiency, polluting environment, further include temperature sensor 17, and the temperature sensor 17 is set to burner 2
Position, and be connected in combustion controller 3, it is preferred that there are three the temperature sensor 17 is set, three is set to same position
It sets, monitors same position temperature, temperature sensor 17 is used to detect the temperature of burner 2, whether reaches assigned temperature after seeing igniting
More than, usually 760 degree or more, after preventing gas pipeline to ventilate, igniter is not lighted, and so as to cause combustion gas accumulation, is held
The case where abnormal combustion or explosion are generated when easily leading to igniting next time, if there are three temperature sensor 17 the advantages of is can be to prevent
Only after wherein exception occurs in some temperature sensor 17, other two temperature sensors 17 can continue effectively to supervise
Control, one of them warmly takes after abnormal data occurs in sensor, as long as other two 17 data of temperature sensor are same or similar, that
It can be assumed that the data of other two temperature sensors 17 are correctly, to be compared to a temperature sensor, setting three
It is a to guarantee that detection data is more accurate, meanwhile, it cracking can find abnormal temperature sensor 17 occur simultaneously in time
It is replaced, 4 mouthfuls of the low-BTU gas pipeline are equipped with blower 18 and first stop low-heat when gas pipeline needs to switch over
It is worth the conveying of combustion gas, third manual gate valve 12 is closed, will be remained in low-BTU gas pipeline 4 and mixing duct 6 by blower 18
Gas blow away, in order to avoid generate two kinds of gas mixings, cause unnecessary accident, fuel gas with low heat value is switched to high heating value combustion gas
When, blower 18 can be discharged in direct low-BTU gas pipeline 4 with the residual gas in mixed gas pipeline, be then shut off low-heat
It is worth gas pipeline 4, connects high heat value gas pipeline 5, what is flowed through in pipeline at this time is all high heating value combustion gas, high heating value combustion gas switching
For fuel gas with low heat value and the same, script mixing duct 6 or low heat value pipeline can all remain high heating value combustion gas, by closing the
Three manual gate valves 12 after residual gas is discharged with blower 18, that is, can guarantee that flow through pipeline is low-BTU gas.This implementation
The beneficial effect of example is: 1, can or manual switching gas supply source electronic according to the demand of people, improve cutting for combustion gas
The convenience and safety changed, 2, temperature monitoring can be carried out to burner hot spots, and it can guarantee that detection data is accurate.
Claims (7)
1. a kind of double gas combustion apparatus, including air pipeline (1), burner (2), combustion controller (3), it is characterised in that: also
Including low-BTU gas pipeline (4), high heat value gas pipeline (5), mixing duct (6), the first pneumatic cut-off valve (7), the second gas
Dynamic stop valve (8), third pneumatic cut-off valve (9), the low-BTU gas pipeline (4) and high heat value gas pipeline (5) tail end are equal
It is connected with mixing duct (6), the mixing duct (6) and air pipeline (1) are connected with burner (2), and described first is pneumatic
Stop valve (7), the second pneumatic cut-off valve (8), third pneumatic cut-off valve (9) are separately positioned on low-BTU gas pipeline (4), high fever
In value gas pipeline (5), mixing duct (6), the combustion controller (3) is electrically connected with three pneumatic cut-off valves and burner (2).
2. a kind of double gas combustion apparatus according to claim 1, it is characterised in that: further include first manual gate valve
(10), the second manual gate valve (11), third manual gate valve (12), the 4th manual gate valve (13), described first, second, the 4th hand
Dynamic gate valve (13) are arranged at the head end of low-BTU gas pipeline (4), high heat value gas pipeline (5), air pipeline (1), described
Third manual gate valve (12) is arranged in high heat value gas pipeline (5) tail end.
3. a kind of double gas combustion apparatus according to claim 2, it is characterised in that: it further include pressure sensor (14),
The pressure sensor (14) is four, is separately positioned on low-BTU gas pipeline (4), high heat value gas pipeline (5), mixing tube
On road (6), air pipeline (1), and it is connected with combustion controller (3).
4. a kind of double gas combustion apparatus according to claim 3, it is characterised in that: further include the first electric control valve
(15), the second electric control valve, first electric control valve (15) are arranged on mixing duct (6), second electric adjustable
Valve (16) are saved to be arranged on air pipeline (1), first electric control valve (15) and the second electric control valve (16) with combustion
Burning controller (3) is connected.
5. a kind of double gas combustion apparatus according to claim 4, it is characterised in that: it further include temperature sensor (17),
The temperature sensor (17) is set to burner (2) position, and is connected in combustion controller (3).
6. a kind of double gas combustion apparatus according to claim 5, it is characterised in that: the temperature sensor (17) is equipped with
Three, three is set to same position, monitors same position temperature.
7. a kind of double gas combustion apparatus according to claim 6, it is characterised in that: the low-BTU gas pipeline (4)
Mouth is equipped with blower (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305317.4U CN209655295U (en) | 2019-03-12 | 2019-03-12 | A kind of double gas combustion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305317.4U CN209655295U (en) | 2019-03-12 | 2019-03-12 | A kind of double gas combustion apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN209655295U true CN209655295U (en) | 2019-11-19 |
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ID=68526555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920305317.4U Active CN209655295U (en) | 2019-03-12 | 2019-03-12 | A kind of double gas combustion apparatus |
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| Country | Link |
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| CN (1) | CN209655295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708110A (en) * | 2019-03-12 | 2019-05-03 | 江苏达源热能科技有限公司 | A kind of double gas combustion apparatus |
| CN111750384A (en) * | 2020-07-16 | 2020-10-09 | 深圳市名剑日用品有限公司 | Gas stove capable of switching gas and preventing extinguishing |
-
2019
- 2019-03-12 CN CN201920305317.4U patent/CN209655295U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708110A (en) * | 2019-03-12 | 2019-05-03 | 江苏达源热能科技有限公司 | A kind of double gas combustion apparatus |
| CN111750384A (en) * | 2020-07-16 | 2020-10-09 | 深圳市名剑日用品有限公司 | Gas stove capable of switching gas and preventing extinguishing |
| CN111750384B (en) * | 2020-07-16 | 2021-05-25 | 浙江省永康市金宇有限公司 | Gas stove capable of preventing extinguishing and switching gas |
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