CN203364164U - Fuel delivering device of blast burner - Google Patents
Fuel delivering device of blast burner Download PDFInfo
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- CN203364164U CN203364164U CN 201320211429 CN201320211429U CN203364164U CN 203364164 U CN203364164 U CN 203364164U CN 201320211429 CN201320211429 CN 201320211429 CN 201320211429 U CN201320211429 U CN 201320211429U CN 203364164 U CN203364164 U CN 203364164U
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- fuel
- blowtorch
- delivery means
- gas
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Abstract
The utility model provides a fuel delivering device of a blast burner and belongs to the technical field of heating furnaces. The problem that the blast burner of a present heating furnace is low in fuel availability, complicated in operation and low in usage safety is resolved. The fuel delivering device of the blast burner comprises a fuel gas source capable of outputting fuel gas, an air source capable of outputting air and a mixing part capable of mixing the air and the fuel gas. The output end of the fuel gas source and the output end of the air source are respectively communicated with the input end of the mixing part. The output end of the mixing part is used for being communicated to the blast burner. A magnetic valve and an air and fuel gas proportional valve are sequentially communicated between the fuel gas source and the mixing part through a fuel gas delivering pipe. The output end of the air source is further in corresponding communication with the air and fuel gas proportional valve through an air delivering branch pipe. The air and fuel gas proportional valve can automatically adjust the amount of output fuel gas according to air pressure input by the air delivering branch pipe. The fuel delivering device of the blast burner is advantaged by being high in energy utilization rate, convenient in operation and high in usage safety.
Description
Technical field
The utility model belongs to the heating furnace technical field, relates to a kind of fuel delivery means, relates in particular to a kind of fuel delivery means that is applied to the blowtorch in heating furnace.
Background technology
Heating furnace is that blowtorch is the important component part in heating furnace by the equipment of material or workpiece heating, and it is heated for the material in heating furnace or workpiece.In the heating process of blowtorch, need to be constantly for blowtorch provides fuel, the fuel of blowtorch is mainly the mixture of combustion gas and air.
At present, for blowtorch provides the mode of fuel, be to export the required combustion gas of burning by fuel cartridge, by the work of blower fan, extract and delivery air, directly flow to blowtorch after both are mixed and burnt.
But, this provides the mode of fuel in use to come with some shortcomings: 1, the amount because of the air of the combustion gas of fuel cartridge output and blower fan output not remains on steady state value, but all the time in change, so, directly the combustion gas of fuel cartridge and blower fan output is mixed and can not obtain the proper mixture ratio example with air, may cause fuel gas buring insufficient, cause energy waste; 2, the on off control of fuel supply is closely manually controlled by operating personnel fully, and not only complex operation and security are lower.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, has proposed a kind ofly can make combustion gas and air mix with optimal proportion and control the fuel delivery means of blowtorch easily.
The purpose of this utility model can realize by following technical proposal:
A kind of fuel delivery means of blowtorch, comprise the fuel gas source that can export combustion gas, the air-source of energy delivery air and the mixer element of energy mixing air and combustion gas, the output of described fuel gas source and air-source is communicated with the input of above-mentioned mixer element respectively, the output of this mixer element is for being communicated to blowtorch, it is characterized in that, also by gas supply pipe, be communicated with successively magnetic valve and empty gas ratio valve between described fuel gas source and above-mentioned mixer element, the output of above-mentioned air-source is also carried arm and the corresponding connection of above-mentioned empty gas ratio valve by an air, this sky gas ratio valve can carry the air pressure size of arm input automatically to regulate the gas quantity of its output according to air.
The fuel delivery means of this blowtorch is adjusted the output quantity of combustion gas immediately by the mode that the sky gas ratio valve is set according to the difference of air pressure, make air and combustion gas to mix in mixer element with optimal proportion, guarantees that fuel gas buring is abundant.Simultaneously, whether the supply of combustion gas can realize by the switching of controlling magnetic valve, easy to operate and safe.
In the fuel delivery means of above-mentioned blowtorch, described air-source is blower fan, and its output is connected with the input of above-mentioned mixer element by air delivery pipe.By the work of controlling blower fan, come extracting air delivery air to be mixed to mixer element, blower fan stops air conveying and stops.
As another kind of situation, in the fuel delivery means of above-mentioned blowtorch, described air-source is the inner air accumulator with cavity that can stored air, between the output of this air accumulator and the input of above-mentioned mixer element, by carrier pipe, is connected.
In the fuel delivery means of above-mentioned blowtorch, described magnetic valve comprises the fast electromagnetic valve and slow open type magnetic valve be connected in successively on above-mentioned gas supply pipe.Fast electromagnetic valve can be realized cut-offfing fast after being controlled, and with respect to this fast electromagnetic valve, the control of slow open type magnetic valve is relatively slow, two magnetic valves are connected on gas supply pipe and can realize the pipeline unlatching slowly and turn-off effect fast in the mode of connecting, and guarantee the safety in the combustion gas use procedure.
In the fuel delivery means of above-mentioned blowtorch, on described air delivery pipe, also having can be for the heating part of heating, this heating part comprises the conveying arm one be set up in parallel and carries arm two, form heating gate between the lateral wall of described conveying arm one and conveying arm two, carry arm one and carry air inlet and the gas outlet of arm two to be communicated with the air delivery pipe at its two ends respectively.Air delivery pipe integral body is single tube connector, only in heating part, punishment is two arms that are set up in parallel, heating gate between the lateral wall of two arms can be arranged on heating furnace the opening part for discharging waste gas, by the higher waste gas of temperature discharged in body of heater, the air in the arm of heating part is heated, thereby be more conducive to burning after making air and combustion gas mixing.
In the fuel delivery means of above-mentioned blowtorch, described fuel delivery means also comprises controller and the operation push-button be connected with this controller, above-mentioned blower fan, fast electromagnetic valve and slow open type magnetic valve have respectively drive circuit one, drive circuit two and the drive circuit three that can drive its work, and described drive circuit one, drive circuit two and drive circuit three all are connected with above-mentioned controller and above-mentioned controller can receive control signal that operation push-button sends and also controls respectively above-mentioned blower fan, fast electromagnetic valve and the duty of open type magnetic valve slowly.The drive circuit of all parts in fuel delivery means is connected to the controller place and is unified to control, easy to operate, and can realize by the mode of preset setting values in controller the automatic control of whole fuel delivery means, and easy to use, safety.
In the fuel delivery means of above-mentioned blowtorch, also be connected with a Pressure gauge on described gas supply pipe.This Pressure gauge is for detection of the pressure condition of combustion gas, and makes demonstration directly perceived, handled easily personnel's observation.
In the fuel delivery means of above-mentioned blowtorch, described fuel delivery means also comprises filter and the pressure-reducing valve be connected in successively between above-mentioned fuel gas source and magnetic valve.After combustion gas output, need first to be filtered and reduce pressure after be delivered to again the mixer element place and mixed.
In the fuel delivery means of above-mentioned blowtorch, described mixer element is gas mixing valve.Air and the combustion gas that by gas mixing valve, can come conveying are mixed.
As another kind of situation, in the fuel delivery means of above-mentioned blowtorch, described mixer element is the inner housing with cavity.
In the fuel delivery means of above-mentioned blowtorch, described fuel gas source is fuel cartridge.
Compared with prior art, the fuel delivery means of this blowtorch has the following advantages:
1, automatically regulate the mixed proportion of air and combustion gas by empty gas ratio valve, make combustion gas to be fully burned, energy utilization rate is high.
2, the fuel delivery means of this blowtorch carries out centralized Control by controller and operation push-button, and in controller, after preset setting values, can make controller realize automatically controlling, not only easy to operate, and safe to use.
3, the heating part had on the air delivery pipe of the fuel delivery means of this blowtorch is arranged at the Waste gas outlet place on heating furnace, can take full advantage of the waste gas of discharging in heating furnace, and energy utilization rate is high, and can make mixed fuel be more conducive to burning.
The accompanying drawing explanation
Fig. 1 is the structural representation of the fuel delivery means of this blowtorch.
Fig. 2 is the electric control principle structured flowchart of the fuel delivery means of this blowtorch.
Fig. 3 is that air-source and the air delivery pipe in the fuel delivery means of this blowtorch is installed on the structural representation on heating furnace.
In figure, 1, mixer element; 2, fuel gas source; 3, empty gas ratio valve; 4, air is carried arm; 41, heating part; 41a, conveying arm one; 41b, conveying arm two; 41c, heating gate; 5, blower fan; 6, air delivery pipe; 7, fast electromagnetic valve; 8, slow open type magnetic valve; 9, controller; 10, operation push-button; 11, drive circuit one; 12, drive circuit two; 13, drive circuit three; 20, Pressure gauge; 21, filter; 22, pressure-reducing valve.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, Figure 3, the fuel delivery means of this blowtorch comprises the fuel gas source 2 that can export combustion gas, the air-source of energy delivery air and the mixer element 1 of energy mixing air and combustion gas, the output of fuel gas source 2 and air-source is communicated with two inputs of mixer element 1 respectively, and the output of this mixer element 1 is for being connected with the fuel input port of blowtorch.
Wherein, be communicated with successively filter 21, pressure-reducing valve 22, fast electromagnetic valve 7, slow open type magnetic valve 8 and empty gas ratio valve 3 by gas supply pipe between fuel gas source 2 and mixer element 1, the combustion gas output of empty gas ratio valve 3 is connected with the input of mixer element 1; Between the input of the output of air-source and mixer element 1, by air delivery pipe 6, be connected, also be connected with an air on air delivery pipe 6 and carry arm 4, this air carries the input of arm 4 to be connected with air delivery pipe 6, and its output and the corresponding connection of empty gas ratio valve 3, empty gas ratio valve 3 can carry the air pressure size of arm 4 inputs automatically to regulate the gas quantity of its output according to air.
In the present embodiment, fuel gas source 2 is fuel cartridge; Air-source is blower fan 5; Mixer element 1 is gas mixing valve; On air delivery pipe 6, also having can be for the heating part 41 of heating, this heating part 41 comprises conveying arm one 41a be set up in parallel and carries arm two 41b, form the heating gate 41c that can be arranged at the Waste gas outlet place on heating furnace between the lateral wall of conveying arm one 41a and conveying arm two 41b, carry air inlet and the gas outlet of arm one 41a and conveying arm two 41b to be communicated with the air delivery pipe 6 at its two ends respectively.Also be connected with a Pressure gauge 20 on gas supply pipe.
As shown in Figure 2, the fuel delivery means of this blowtorch also comprises controller 9 and the operation push-button 10 be connected with this controller 9, blower fan 5, fast electromagnetic valve 7 and slow open type magnetic valve 8, blower fan 5, fast electromagnetic valve 7 and slow open type magnetic valve 8 places have respectively the drive circuit 1 that can drive its work, drive circuit 2 12 and drive circuit 3 13, drive circuit 1, drive circuit 2 12 all is connected with controller 9 with drive circuit 3 13 and controller 9 can receive the control signal of operation push-button 10 transmissions and control respectively blower fan 5, the duty of fast electromagnetic valve 7 and slow open type magnetic valve 8.
The fuel delivery means of this blowtorch in use, heating gate 41c on air delivery pipe 6 can be arranged on the body of heater of heating furnace to the opening part for combustion gas, when the waste gas that temperature is higher in body of heater is discharged from, waste gas can be heated the air delivery pipe 6 at heating gate 41c place, and then the air of its inside is heated, make air with combustion gas mixing after be more conducive to the burning.
Operating personnel can be by operation push-button 10 input startup command, and the order that controller 9 is inputted according to it is controlled blower fan 5 and started, and extracting air also heats backward mixer element 1 place along air delivery pipe 6 through heating gate 41c and carries; Simultaneously, fast electromagnetic valve 7 and 8 unlatchings of slow open type magnetic valve, the combustion gas that fuel gas source 2 places carry is carried to mixer element 1 place by the slow open type magnetic valve 8 of fast electromagnetic valve 7 and slowly unlatching.Now, the air pressure that empty gas ratio valve 3 carries arm 4 to bestow according to the air on air delivery pipe 6 is regulated the gas quantity of its output automatically, while making combustion gas be transported to mixer element 1 place, can with optimal proportion, mix with heated air.Mixed air and combustion gas are delivered to the blowtorch place from the output of mixer element 1 and are burnt.
In the process of carrying at fuel, operating personnel can understand the instant air pressure of combustion gas from Pressure gauge 20 places, when gaseous-pressure exceeds safe pressure, can control fast electromagnetic valve 7 and close with slow open type magnetic valve 8, blower fan 5 quits work, and the conveying of combustion gas and air stops.
Above empty gas ratio valve 3 is prior aries, but its concrete structure application reference number, for the Chinese patents such as fuel gas/air proportion control valve that the air of CN200910144735.0, gas proportion regulating valve or the application number gas ratio valve that is CN200720051447.7 or application number a kind of Novel combustion gas proportioning valve that is CN201020187941.8 or application number are CN201120175919.6, repeats no more here.
In addition, air-source also can be the air accumulator that inside has the cavity of energy stored air; And mixer element 1 also can be the housing that inside has cavity.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. the fuel delivery means of a blowtorch, comprise the fuel gas source (2) that can export combustion gas, the air-source of energy delivery air and the mixer element (1) of energy mixing air and combustion gas, the output of described fuel gas source (2) and air-source is communicated with the input of above-mentioned mixer element (1) respectively, the output of this mixer element (1) is for being communicated to blowtorch, it is characterized in that, also by gas supply pipe, be communicated with successively magnetic valve and empty gas ratio valve (3) between described fuel gas source (2) and above-mentioned mixer element (1), the output of above-mentioned air-source is also carried arm (4) and the corresponding connection of above-mentioned empty gas ratio valve (3) by an air, this sky gas ratio valve (3) can carry the air pressure size of arm (4) input automatically to regulate the gas quantity of its output according to air.
2. the fuel delivery means of blowtorch according to claim 1, is characterized in that, described air-source is blower fan (5), and its output is connected with the input of above-mentioned mixer element (1) by air delivery pipe (6).
3. the fuel delivery means of blowtorch according to claim 1, it is characterized in that, described air-source is the inner air accumulator with cavity that can stored air, between the input of the output of this air accumulator and above-mentioned mixer element (1), by carrier pipe, is connected.
4. the fuel delivery means of blowtorch according to claim 2, is characterized in that, described magnetic valve comprises the fast electromagnetic valve (7) and slow open type magnetic valve (8) be connected in successively on above-mentioned gas supply pipe.
5. according to the fuel delivery means of claim 2 or 4 described blowtorch, it is characterized in that, on described air delivery pipe (6), also having can be for the heating part (41) of heating, this heating part (41) comprises the conveying arm one (41a) be set up in parallel and carries arm two (41b), form heating gate (41c) between the lateral wall of described conveying arm one (41a) and conveying arm two (41b), carry arm one (41a) and carry air inlet and the gas outlet of arm two (41b) to be communicated with the air delivery pipe (6) at its two ends respectively.
6. the fuel delivery means of blowtorch according to claim 4, it is characterized in that, described fuel delivery means also comprises controller (9) and the operation push-button (10) be connected with this controller (9), above-mentioned blower fan (5), fast electromagnetic valve (7) and slow open type magnetic valve (8) have respectively the drive circuit one (11) that can drive its work, drive circuit two (12) and drive circuit three (13), described drive circuit one (11), drive circuit two (12) and drive circuit three (13) all are connected with above-mentioned controller (9) and above-mentioned controller (9) can receive the control signal of operation push-button (10) transmission and control above-mentioned blower fan (5), the duty of fast electromagnetic valve (7) and slow open type magnetic valve (8).
7. according to the fuel delivery means of claim 1 or 2 or 3 or 4 described blowtorch, it is characterized in that, also be connected with a Pressure gauge (20) on described gas supply pipe.
8. according to the fuel delivery means of claim 1 or 2 or 3 or 4 described blowtorch, it is characterized in that, described fuel delivery means also comprises filter (21) and the pressure-reducing valve (22) be connected in successively between above-mentioned fuel gas source (2) and magnetic valve.
9. according to the fuel delivery means of claim 1 or 2 or 3 or 4 described blowtorch, it is characterized in that, described mixer element (1) is gas mixing valve.
10. according to the fuel delivery means of claim 1 or 2 or 3 or 4 described blowtorch, it is characterized in that, described mixer element (1) is the inner housing with cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211429 CN203364164U (en) | 2013-04-23 | 2013-04-23 | Fuel delivering device of blast burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211429 CN203364164U (en) | 2013-04-23 | 2013-04-23 | Fuel delivering device of blast burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364164U true CN203364164U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320211429 Expired - Lifetime CN203364164U (en) | 2013-04-23 | 2013-04-23 | Fuel delivering device of blast burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203364164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234218A (en) * | 2013-04-23 | 2013-08-07 | 台州英达机械科技有限公司 | Fuel delivering device of blast burner |
-
2013
- 2013-04-23 CN CN 201320211429 patent/CN203364164U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234218A (en) * | 2013-04-23 | 2013-08-07 | 台州英达机械科技有限公司 | Fuel delivering device of blast burner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |