CN111536512A - Alcohol liquid output and residual liquid recovery device of alcohol burner - Google Patents

Alcohol liquid output and residual liquid recovery device of alcohol burner Download PDF

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Publication number
CN111536512A
CN111536512A CN202010305775.5A CN202010305775A CN111536512A CN 111536512 A CN111536512 A CN 111536512A CN 202010305775 A CN202010305775 A CN 202010305775A CN 111536512 A CN111536512 A CN 111536512A
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switch valve
alcohol
liquid
residual liquid
alcohol liquid
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CN202010305775.5A
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Chinese (zh)
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刘睿奇
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/44—Preheating devices; Vaporising devices
    • F23D11/441—Vaporising devices incorporated with burners
    • F23D11/448—Vaporising devices incorporated with burners heated by electrical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/142—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using electric energy supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2028—Continuous-flow heaters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

The invention discloses an alcohol liquid output and residual liquid recovery device of an alcohol burner, which comprises a first switch valve, wherein the first switch valve is connected with a second three-way pipe, and the second three-way pipe is respectively connected with a first residual liquid recovery pipe and an electric pump; the electric pump is connected with a third three-way pipe fitting, and the third three-way pipe fitting is respectively connected with a second switch valve and a second residual liquid recovery pipe; the second switch valve is connected with a third tee pipe fitting, one end of the third tee pipe fitting is a free connecting end, and the other end of the third tee pipe fitting is connected with the first residual liquid recovery pipe; a switch valve III is arranged on the residual liquid recovery pipe I; a switch valve IV is arranged on the residual liquid recovery pipe II; the controller controls the electric pump to work, controls the first switch valve and the second switch valve to be opened, and closes the third switch valve and the fourth switch valve at the same time, so that the alcohol liquid is output in the forward direction; the controller controls the electric pump to work, controls the first switch valve and the second switch valve to be closed, and simultaneously opens the third switch valve and the fourth switch valve to reversely recycle residual liquid of the alcohol liquid; the methanol burner produces crystals, preventing fouling.

Description

Alcohol liquid output and residual liquid recovery device of alcohol burner
Technical Field
The invention relates to an alcohol liquid output and recovery device, in particular to an alcohol liquid output and residual liquid recovery device of an alcohol burner.
Background
The existing burner of the household methanol combustion heat exchanger has no residual liquid to be recovered, and because the liquid is adopted to be sprayed and combusted through high pressure, residual liquid always adheres to the atomizing head and the atomizing cavity of the burner after flameout, and because the residual liquid cannot be volatilized in time or cleaned, the residual liquid can be combined with oxygen to be oxidized after staying and then crystallized, and the residual liquid becomes fouling of pollutants after being used for a long time (the residual liquid is mixed with carbon powder adhering to a combustion fire dividing hole to become fouling), so that the spraying hole of the atomizing head and the combustion fire dividing hole can be blocked.
Disclosure of Invention
In order to solve the technical problems, the invention provides an alcohol liquid output and residual liquid recovery device of an alcohol burner, which has a simple structure and a reasonable design and can recover and volatilize residual liquid.
The scheme for solving the technical problems is as follows:
an alcohol liquid output and residual liquid recovery device of an alcohol burner comprises a first switch valve, wherein one end of the first switch valve is an alcohol liquid input end, the other end of the first switch valve is an alcohol liquid output end, the alcohol liquid output end is connected with a second three-way pipe fitting, one end of the second three-way pipe fitting is connected with a first residual liquid recovery pipe, and the other end of the second three-way pipe fitting is connected with an electric pump;
the output end of the electric pump is connected with a third three-way pipe fitting, one end of the third three-way pipe fitting is connected with a second switch valve, and the other end of the third three-way pipe fitting is connected with a second residual liquid recovery pipe;
the output end of the second switch valve is connected with a third tee pipe fitting, one end of the third tee pipe fitting is a free connecting end, and the other end of the third tee pipe fitting is connected with the other end of the first residual liquid recovery pipe;
a switch valve III is arranged on the residual liquid recovery pipe I;
a switch valve IV is arranged on the residual liquid recovery pipe II;
the first switch valve, the second switch valve, the third switch valve and the fourth switch valve are connected with the electric pump through electric wires;
when the controller controls the electric pump to work and controls the first switch valve and the second switch valve to be opened, the third switch valve and the fourth switch valve are closed, alcohol liquid does not flow through the first residual liquid recovery pipe and the second residual liquid recovery pipe, enters the alcohol liquid from the alcohol liquid input end of the first switch valve, and is output to the free connecting end of the fourth three-way pipe fitting and is output in the forward direction;
when the controller controls the electric pump to work and controls the first switch valve and the second switch valve to be closed, the third switch valve and the fourth switch valve are opened, the first residual liquid recovery pipe and the second residual liquid recovery pipe are communicated with the flowing alcohol liquid, the alcohol liquid is recovered and sucked from the free connecting end of the fourth three-way pipe fitting, and then the alcohol liquid returns back to the second residual liquid recovery pipe, and the residual liquid of the alcohol liquid is reversely recovered.
The preferable technical scheme is further as follows: and the alcohol liquid input end of the first switch valve is connected with a first three-way pipe fitting, one end of the first three-way pipe fitting is a free connecting end, and the other end of the first three-way pipe fitting is connected with the other end of the second residual liquid recovery pipe.
The preferable technical scheme is further as follows: the alcohol liquid input end of the first switch valve is a free connecting end; the other end of the residual liquid recovery pipe II is a free connecting end.
The preferable technical scheme is further as follows: the free connecting end of the three-way pipe fitting IV is connected with an alcohol liquid heating device through a pipe fitting, and the alcohol liquid heating device is started to work to heat circulated alcohol liquid when the switch valve I and the switch valve II are opened.
The preferable technical scheme is further as follows: the alcohol liquid heating device is an alcohol liquid heater, the alcohol liquid heater is connected with the controller through an electric wire, and the controller controls the alcohol liquid heater to start to heat circulated alcohol liquid when the first switch valve and the second switch valve are opened.
The preferable technical scheme is further as follows: the other end of the alcohol liquid heating device is connected with an alcohol liquid burner.
The preferable technical scheme is further as follows: and the free connecting end of the first three-way pipe fitting is connected with a liquid storage tank through a pipe body.
The preferable technical scheme is further as follows: and the alcohol liquid input end of the first switch valve and the other end of the residual liquid recovery pipe II are connected with the same liquid storage tank.
The preferable technical scheme is further as follows: the first switch valve, the second switch valve, the third switch valve and the fourth switch valve are all electromagnetic valves, and the electric pump is an electric suction pump.
The preferable technical scheme is further as follows: the temperature of the alcohol liquid heating device for heating the alcohol liquid is below 200 ℃; the alcohol solution is methanol solution or ethanol solution; the electric pump is a booster pump.
The alcohol liquid output and residual liquid recovery device of the alcohol burner has the beneficial effects that: when the methanol burner is flamed out, the controller controls the electric pump to continuously work, controls the first switch valve and the second switch valve to be closed, simultaneously opens the third switch valve and the fourth switch valve, adheres to the spray head, the combustion distributor, the inner wall of the alcohol liquid channel of the burner, the alcohol liquid output channel and residual liquid left in the fog cavity at the bottom of the burner, reversely recovers and sucks the residual liquid from the free connecting end of the fourth three-way pipe fitting, returns to the free connecting end of the first three-way pipe fitting, reversely recovers the residual liquid of the alcohol liquid, and finally recovers the residual liquid to the liquid storage tank; the methanol burner is timely and reversely sucked after being extinguished, the methanol burner and the spray head become air inlets, residual liquid left in a fog cavity at the bottom of the burner and residual liquid adhered to the spray head, the combustion fire distributor, the inner wall of an alcohol liquid channel of the burner and an alcohol liquid output channel are sucked and volatilized completely, dryness of the residual liquid and the residual liquid is guaranteed, crystallization of a liquid conveying pipeline and the methanol burner is prevented, scaling is prevented, and spray holes of the spray head and combustion fire distribution holes are prevented from being blocked.
Drawings
FIG. 1 and FIG. 2 are schematic views of the product of the present invention;
FIG. 3 and FIG. 4 are schematic views of the product of the invention with an alcohol solution heating device, an alcohol solution burner and a liquid storage tank; fig. 5, 6, 7 and 8 are schematic views of another embodiment for replacing the technical scheme of the product.
The device comprises a first switch valve 1, a second three-way pipe fitting 2, a first residual liquid recovery pipe 3, an electric pump 4, a third three-way pipe fitting 5, a second switch valve 6, a second residual liquid recovery pipe 7, a fourth three-way pipe fitting 8, a third switch valve 9, a fourth switch valve 10, a controller 11, a first three-way pipe fitting 12, an alcohol liquid heating device 13, an alcohol liquid combustor 14 and a liquid storage tank 15.
Detailed Description
An alcohol liquid output and residual liquid recovery device of an alcohol burner comprises a first switch valve 1, wherein one end of the first switch valve 1 is an alcohol liquid input end, the other end of the first switch valve is an alcohol liquid output end, the alcohol liquid output end is connected with a second three-way pipe fitting 2, one end of the second three-way pipe fitting 2 is connected with a first residual liquid recovery pipe 3, and the other end of the second three-way pipe fitting is connected with an electric pump 4;
the output end of the electric pump 4 is connected with a three-way pipe fitting III 5, one end of the three-way pipe fitting III 5 is connected with a switch valve II 6, and the other end of the three-way pipe fitting III is connected with a residual liquid recovery pipe II 7;
the output end of the second switch valve 6 is connected with a tee pipe fitting IV 8, one end of the tee pipe fitting IV 8 is a free connecting end, and the other end of the tee pipe fitting IV is connected with the other end of the residual liquid recovery pipe I3;
a third switch valve 9 is arranged on the first residual liquid recovery pipe 3;
a fourth switch valve 10 is arranged on the second residual liquid recovery pipe 7;
the first switch valve 1, the second switch valve 6, the third switch valve 9, the fourth switch valve 10 and the electric pump 4 are connected with a controller 11 through electric wires;
when the controller 11 controls the electric pump 4 to work and controls the first switch valve 1 and the second switch valve 6 to be opened, the third switch valve 9 and the fourth switch valve 10 are closed, and the first residual liquid recovery pipe 3 and the second residual liquid recovery pipe 7 do not flow alcohol liquid, so that the alcohol liquid enters from the alcohol liquid input end of the first switch valve 1 and is output to the free connecting end of the fourth three-way pipe 8 and is output in the forward direction;
when the controller 11 controls the electric pump 4 to continue working and controls the first switch valve 1 and the second switch valve 6 to be closed, the third switch valve 9 and the fourth switch valve 10 are opened, the first residual liquid recovery pipe 3 and the second residual liquid recovery pipe 7 are communicated with and circulate alcohol liquid, the alcohol liquid is recovered and sucked from the free connecting end of the fourth three-way pipe fitting 8, and then the alcohol liquid returns back to the second residual liquid recovery pipe 7, and the residual liquid of the alcohol liquid is reversely recovered.
The preferable technical scheme is further as follows: the alcohol liquid input end of the switch valve I1 is connected with a three-way pipe fitting I12, one end of the three-way pipe fitting I12 is a free connecting end, and the other end of the three-way pipe fitting I12 is connected with the other end of the residual liquid recovery pipe II 7.
The preferable technical scheme is further as follows: the alcohol liquid input end of the switch valve I1 is a free connecting end; the other end of the second residual liquid recovery pipe 7 is a free connecting end.
The preferable technical scheme is further as follows: the free connecting end of the three-way pipe fitting IV 8 is connected with an alcohol liquid heating device 13 through a pipe fitting, and the alcohol liquid heating device 13 is started to work and heat circulated alcohol liquid when the switch valve I1 and the switch valve II 6 are opened.
The alcohol liquid heating device 13 is a thermal burner which heats the pipe body through which the alcohol liquid flows, so that the alcohol liquid in the pipe body is heated, and the temperature for heating the alcohol liquid is 100-140 ℃.
The preferable technical scheme is further as follows: the alcohol liquid heating device 13 is an alcohol liquid heater and is electrically heated, the alcohol liquid heater is connected with the controller 11 through an electric wire, the controller 11 controls the alcohol liquid heater to start working and heat circulated alcohol liquid when the switch valve I1 and the switch valve II 6 are opened, the temperature for heating the alcohol liquid is 100-140 ℃, and the alcohol liquid heater is the prior art.
The preferable technical scheme is further as follows: the other end of the alcohol liquid heating device 13 is connected with an alcohol liquid burner 14, and the alcohol liquid burner 14 is in the prior art.
The preferable technical scheme is further as follows: the free connecting end of the three-way pipe fitting I12 is connected with a liquid storage tank 15 through a pipe body.
The preferable technical scheme is further as follows: the alcohol liquid input end of the switch valve I1 is connected with the same liquid storage tank 15 through the other end of the pipe body and the residual liquid recovery pipe II 7, and the alcohol liquid input end and the residual liquid recovery pipe II are respectively and independently connected with the liquid storage tank 15.
The preferable technical scheme is further as follows: the first switch valve 1, the second switch valve 6, the third switch valve 9 and the fourth switch valve 10 are all electromagnetic valves, and the electric pump 4 is an electric suction pump.
The preferable technical scheme is further as follows: the alcohol liquid heating device 13 heats the alcohol liquid at a temperature below 200 ℃, generally at a temperature of 100-140 ℃, so that the alcohol liquid volatilization effect for combustion gasification or atomization combustion is achieved; the alcohol solution is methanol solution or ethanol solution; the electric pump 4 is a booster pump.
Specific example 1:
an alcohol liquid output and residual liquid recovery device of an alcohol burner comprises a first switch valve 1, wherein one end of the first switch valve 1 is an alcohol liquid input end, the other end of the first switch valve is an alcohol liquid output end, the alcohol liquid output end is connected with a second three-way pipe fitting 2, one end of the second three-way pipe fitting 2 is connected with a first residual liquid recovery pipe 3, and the other end of the second three-way pipe fitting is connected with an electric pump 4; the output end of the electric pump 4 is connected with a three-way pipe fitting III 5, one end of the three-way pipe fitting III 5 is connected with a switch valve II 6, and the other end of the three-way pipe fitting III is connected with a residual liquid recovery pipe II 7; the output end of the second switch valve 6 is connected with a tee pipe fitting IV 8, one end of the tee pipe fitting IV 8 is a free connecting end, and the other end of the tee pipe fitting IV is connected with the other end of the residual liquid recovery pipe I3; a third switch valve 9 is arranged on the first residual liquid recovery pipe 3; a fourth switch valve 10 is arranged on the second residual liquid recovery pipe 7; the first switch valve 1, the second switch valve 6, the third switch valve 9, the fourth switch valve 10 and the electric pump 4 are connected with a controller 11 through electric wires; the alcohol liquid input end of the first switch valve 1 is connected with a first three-way pipe 12, one end of the first three-way pipe 12 is a free connecting end, the other end of the first three-way pipe 12 is connected with the other end of the second residual liquid recovery pipe 7, the alcohol liquid recovered by the second residual liquid recovery pipe 7 returns to an output pipeline, and the free connecting end of the first three-way pipe 12 is connected with the liquid storage tank through a pipe body to form a front-section alcohol liquid output pipeline.
When the methanol burner starts, the controller 11 controls the electric pump 4 to work, controls the first switch valve 1 and the second switch valve 6 to be opened, closes the third switch valve 9 and the fourth switch valve 10 (namely, the first switch valve 1 and the second switch valve 6 are opened, and the third switch valve 9 and the fourth switch valve 10 are closed), prevents the first residual liquid recovery pipe 3 and the second residual liquid recovery pipe 7 from flowing alcohol liquid, pumps by the electric pump 4, allows the alcohol liquid to enter from the alcohol liquid input end of the first switch valve 1, passes through the electric pump 4, and then is output to the free connecting end of the fourth three-way pipe fitting 8, and is output in the forward direction, and is conveyed to the methanol burner;
when the methanol burner is flamed out, the controller 11 controls the electric pump 4 to continuously work, controls the first switch valve 1 and the second switch valve 6 to be closed, simultaneously opens the third switch valve 9 and the fourth switch valve 10 (namely, the first switch valve 1 and the second switch valve 6 are closed, the third switch valve 9 and the fourth switch valve 10 are opened, the electric pump 4 still works in a forward rotation mode), the first residual liquid recovery pipe 3 and the second residual liquid recovery pipe 7 are communicated with and circulate alcohol liquid, the electric pump 4 sucks the alcohol liquid, the alcohol liquid is recovered and sucked from the free connecting end of the fourth three-way pipe fitting 8, passes through the first residual liquid recovery pipe 3 and the electric pump 4 and then returns to the second residual liquid recovery pipe 7, the residual liquid of the alcohol liquid is recovered in a reverse direction and finally recovered to the liquid storage tank, the top of the liquid storage tank is provided with a vent hole, and the; the methanol burner is timely and reversely sucked after flameout, the methanol burner and the spray head become air inlets, residual liquid left in a fog cavity at the bottom of the burner and residual liquid adhered to the inner walls of the spray head, the combustion distributor, the alcohol liquid channel of the burner and the alcohol liquid output channel are sucked, ventilated and volatilized completely, dryness of the residual liquid, the residual liquid and the residual liquid is guaranteed, crystallization of a liquid conveying pipeline and the methanol burner is prevented, scaling is prevented, and a spray hole of the spray head and a combustion fire distributing hole are prevented from being blocked.
Specific example 2:
an alcohol liquid output and residual liquid recovery device of an alcohol burner comprises a first switch valve 1, wherein one end of the first switch valve 1 is an alcohol liquid input end, the other end of the first switch valve is an alcohol liquid output end, the alcohol liquid output end is connected with a second three-way pipe fitting 2, one end of the second three-way pipe fitting 2 is connected with a first residual liquid recovery pipe 3, and the other end of the second three-way pipe fitting is connected with an electric pump 4; the output end of the electric pump 4 is connected with a three-way pipe fitting III 5, one end of the three-way pipe fitting III 5 is connected with a switch valve II 6, and the other end of the three-way pipe fitting III is connected with a residual liquid recovery pipe II 7; the output end of the second switch valve 6 is connected with a tee pipe fitting IV 8, one end of the tee pipe fitting IV 8 is a free connecting end, and the other end of the tee pipe fitting IV is connected with the other end of the residual liquid recovery pipe I3; a third switch valve 9 is arranged on the first residual liquid recovery pipe 3; a fourth switch valve 10 is arranged on the second residual liquid recovery pipe 7; the first switch valve 1, the second switch valve 6, the third switch valve 9, the fourth switch valve 10 and the electric pump 4 are connected with a controller 11 through electric wires; the alcohol liquid input end of the switch valve I1 is a free connecting end; the other end of the second residual liquid recovery pipe 7 is a free connecting end, and the alcohol liquid input end of the first switch valve 1 is connected with the same liquid storage tank 15 through the pipe body and the other end of the second residual liquid recovery pipe 7; the residual liquid recovery pipe II 7 is independently connected with the liquid storage tank 15, and the alcohol liquid input end of the switch valve I1 is also independently connected with the liquid storage tank 15 through a pipe body.
When the methanol burner starts, the controller 11 controls the electric pump 4 to work, controls the first switch valve 1 and the second switch valve 6 to be opened, closes the third switch valve 9 and the fourth switch valve 10 (namely, the first switch valve 1 and the second switch valve 6 are opened, and the third switch valve 9 and the fourth switch valve 10 are closed), prevents the first residual liquid recovery pipe 3 and the second residual liquid recovery pipe 7 from flowing alcohol liquid, pumps by the electric pump 4, allows the alcohol liquid to enter from the alcohol liquid input end of the first switch valve 1, passes through the electric pump 4, and then is output to the free connecting end of the fourth three-way pipe fitting 8, and is output in the forward direction, and is conveyed to the methanol burner;
when the methanol burner is flamed out, the controller 11 controls the electric pump 4 to continuously work (the electric pump 4 continues to work for 2-10 minutes), controls the first switch valve 1 and the second switch valve 6 to be closed, and simultaneously opens the third switch valve 9 and the fourth switch valve 10 (namely, the first switch valve 1 and the second switch valve 6 are closed, the third switch valve 9 and the fourth switch valve 10 are opened, the electric pump 4 still works in a forward rotation manner), the first residual liquid recovery pipe 3 and the second residual liquid recovery pipe 7 are communicated with and circulate the alcohol liquid, the electric pump 4 pumps the alcohol liquid, the alcohol liquid is recovered and sucked from the free connecting end of the fourth three-way pipe fitting 8, passes through the first residual liquid recovery pipe 3 and the electric pump 4 and then returns back to the second residual liquid recovery pipe 7 to reversely recover the residual liquid of the alcohol liquid and finally to the liquid storage tank, the top of the liquid storage tank is provided with a vent hole, and the vent; the methanol burner is timely and reversely sucked after flameout, the methanol burner and the spray head become air inlets, residual liquid left in a fog cavity at the bottom of the burner and residual liquid adhered to the inner walls of the spray head, the combustion distributor, the alcohol liquid channel of the burner and the alcohol liquid output channel are sucked, ventilated and volatilized completely, dryness of the residual liquid, the residual liquid and the residual liquid is guaranteed, crystallization of a liquid conveying pipeline and the methanol burner is prevented, scaling is prevented, and a spray hole of the spray head and a combustion fire distributing hole are prevented from being blocked.
Another embodiment alternative to the above:
an alcohol liquid output and residual liquid recovery device of an alcohol burner comprises a tee joint A, wherein the tee joint of the tee joint A is respectively provided with an A1 end, an A2 end and an A3 end, an electronic valve A11 is arranged at the junction of the tee joints, a valve is not arranged at the A3 end (the A3 end is a connecting end with an electric pump B), the A3 end is connected with the electric pump B, the A2 end is connected with a residual liquid backflow short pipe C, and the A1 end is an alcohol liquid input free end;
the other end of the electric pump B is connected with a second three-way joint D, the three-way joints of the second three-way joint D are respectively provided with ends D1, D2 and D3, the end D1 is not provided with a valve (the end D1 is connected with the electric pump B), and a second electronic valve D21 is arranged at the junction of the three ways; the end D3 is connected with a three-way alcohol liquid output short pipe E, the three-way joint of the three-way alcohol liquid output short pipe E is respectively connected with the ends E1, E2 and E3, the end E1 is connected with the end D3 of the three-way joint II D, the end E2 is connected with the other end of the residual liquid reflux short pipe C, and the end E3 is a free end for outputting alcohol liquid; the end D2 is connected with a residual liquid reflux short pipe II F;
the first electronic valve A11, the electric pump B and the second electronic valve D21 are connected with an electronic controller J through electric wires.
When the methanol combustor starts to be started, the electronic controller J controls the electric pump B to start to work, controls the first electronic valve A11 to rotate to close the channel at the A2 end, enables the A1 end to be communicated with the A3 end directly, controls the second electronic valve D21 to rotate to close the channel at the D2 end, enables the D1 end to be communicated with the D3 end directly, enables the first residual liquid backflow short pipe C and the second residual liquid backflow short pipe F not to be communicated with the alcohol liquid, pumps the alcohol liquid B to suck the alcohol liquid, enables the alcohol liquid to enter from the A1 end of the first three-way joint A, passes through the A3 end and the electric pump B, and then outputs the alcohol liquid to the D1 end and the D3 end of the second three-way joint D and the E1 and E3 ends of the three-way alcohol liquid output short pipe;
when the methanol burner is flamed out, the electronic controller J can continuously control the electric pump B to start to work (the electric pump B continues to work for 2-10 minutes), the electronic valve I A11 is controlled to rotate to close the channel at the end A1, the end A2 is enabled to be directly communicated with the end A3, the electronic valve II D21 is controlled to rotate to close the channel at the end D1, the end D1 is enabled to be directly communicated with the end D2, the residual liquid reflux short pipe I C and the residual liquid reflux short pipe II F are communicated with each other to circulate alcohol liquid, the electric pump B continues to pump, on the contrary, the alcohol liquid enters from the end E3 of the three-way alcohol liquid output short pipe E, passes through the end E2, the residual liquid reflux short pipe I C, A2, the end A3 and the electric pump B, and then returns to the end D1, the end D2 and the residual.
The alcohol solution is finally recovered to an alcohol solution tank K, the top of the alcohol solution tank K is provided with a vent hole, and the vent hole is used for air circulation during suction and retraction. The methanol burner is timely and reversely sucked after flameout, the methanol burner and the spray head become air inlets, residual liquid left in a fog cavity at the bottom of the burner and residual liquid adhered to the inner walls of the spray head, the combustion distributor, the alcohol liquid channel of the burner and the alcohol liquid output channel are sucked, ventilated and volatilized completely, dryness of the residual liquid, the residual liquid and the residual liquid is guaranteed, crystallization of a liquid conveying pipeline and the methanol burner is prevented, scaling is prevented, and a spray hole of the spray head and a combustion fire distributing hole are prevented from being blocked.
The preferable technical scheme is further as follows: the end A1 is connected with an alcohol solution tank K through a liquid pipe, and the other end of the residual liquid reflux short pipe II F is also connected with the alcohol solution tank K.
The preferable technical scheme is further as follows: the end A1 is connected with a tee joint III H, the tee joints of the tee joint III H are respectively connected with the ends H1, H2 and H3, the end H3 is connected with the end A1, the end H2 is connected with the other end of the residual liquid reflux short pipe II F, and the end H1 is connected with an alcohol solution tank K through a liquid pipe.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, and all technical solutions belonging to the principle of the present invention belong to the protection scope of the present invention. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (10)

1. The utility model provides an alcohol liquid output and residual liquid recovery unit of alcohol combustor which characterized in that: the alcohol liquid output and residual liquid recovery device comprises a first switch valve, one end of the first switch valve is an alcohol liquid input end, the other end of the first switch valve is an alcohol liquid output end, the alcohol liquid output end is connected with a second three-way pipe, one end of the second three-way pipe is connected with a first residual liquid recovery pipe, and the other end of the second three-way pipe is connected with an electric pump;
the output end of the electric pump is connected with a third three-way pipe fitting, one end of the third three-way pipe fitting is connected with a second switch valve, and the other end of the third three-way pipe fitting is connected with a second residual liquid recovery pipe;
the output end of the second switch valve is connected with a third tee pipe fitting, one end of the third tee pipe fitting is a free connecting end, and the other end of the third tee pipe fitting is connected with the other end of the first residual liquid recovery pipe;
a switch valve III is arranged on the residual liquid recovery pipe I;
a switch valve IV is arranged on the residual liquid recovery pipe II;
the first switch valve, the second switch valve, the third switch valve and the fourth switch valve are connected with the electric pump through electric wires;
when the controller controls the electric pump to work and controls the first switch valve and the second switch valve to be opened, the third switch valve and the fourth switch valve are closed, alcohol liquid does not flow through the first residual liquid recovery pipe and the second residual liquid recovery pipe, enters the alcohol liquid from the alcohol liquid input end of the first switch valve, and is output to the free connecting end of the fourth three-way pipe fitting and is output in the forward direction;
when the controller controls the electric pump to work and controls the first switch valve and the second switch valve to be closed, the third switch valve and the fourth switch valve are opened, the first residual liquid recovery pipe and the second residual liquid recovery pipe are communicated with the flowing alcohol liquid, the alcohol liquid is recovered and sucked from the free connecting end of the fourth three-way pipe fitting, and then the alcohol liquid returns back to the second residual liquid recovery pipe, and the residual liquid of the alcohol liquid is reversely recovered.
2. The alcohol liquid output and residual liquid recovery device of an alcohol burner as claimed in claim 1, wherein: and the alcohol liquid input end of the first switch valve is connected with a first three-way pipe fitting, one end of the first three-way pipe fitting is a free connecting end, and the other end of the first three-way pipe fitting is connected with the other end of the second residual liquid recovery pipe.
3. The alcohol liquid output and residual liquid recovery device of an alcohol burner as claimed in claim 1, wherein: the alcohol liquid input end of the first switch valve is a free connecting end; the other end of the residual liquid recovery pipe II is a free connecting end.
4. The alcohol liquid output and residual liquid recovery device of an alcohol burner as claimed in claim 1, wherein: the free connecting end of the three-way pipe fitting IV is connected with an alcohol liquid heating device through a pipe fitting, and the alcohol liquid heating device is started to work to heat circulated alcohol liquid when the switch valve I and the switch valve II are opened.
5. The alcohol liquid output and residual liquid recovery device of an alcohol burner as claimed in claim 4, wherein: the alcohol liquid heating device is an alcohol liquid heater, the alcohol liquid heater is connected with the controller through an electric wire, and the controller controls the alcohol liquid heater to start to heat circulated alcohol liquid when the first switch valve and the second switch valve are opened.
6. The alcohol liquid output and residual liquid recovery device of the alcohol burner as claimed in claim 4 or 5, wherein: the other end of the alcohol liquid heating device is connected with an alcohol liquid burner.
7. The alcohol liquid output and residual liquid recovery device of the alcohol burner as claimed in claim 2, wherein: and the free connecting end of the first three-way pipe fitting is connected with a liquid storage tank through a pipe body.
8. The alcohol liquid output and residual liquid recovery device of an alcohol burner as claimed in claim 3, wherein: and the alcohol liquid input end of the first switch valve and the other end of the residual liquid recovery pipe II are connected with the same liquid storage tank.
9. The alcohol liquid output and residual liquid recovery device of an alcohol burner as claimed in claim 1, wherein: the first switch valve, the second switch valve, the third switch valve and the fourth switch valve are all electromagnetic valves, and the electric pump is an electric suction pump.
10. The alcohol liquid output and residual liquid recovery device of the alcohol burner as claimed in claim 4 or 5, wherein: the temperature of the alcohol liquid heating device for heating the alcohol liquid is below 200 ℃; the alcohol solution is methanol solution or ethanol solution; the electric pump is a booster pump.
CN202010305775.5A 2020-04-17 2020-04-17 Alcohol liquid output and residual liquid recovery device of alcohol burner Withdrawn CN111536512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010305775.5A CN111536512A (en) 2020-04-17 2020-04-17 Alcohol liquid output and residual liquid recovery device of alcohol burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010305775.5A CN111536512A (en) 2020-04-17 2020-04-17 Alcohol liquid output and residual liquid recovery device of alcohol burner

Publications (1)

Publication Number Publication Date
CN111536512A true CN111536512A (en) 2020-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010305775.5A Withdrawn CN111536512A (en) 2020-04-17 2020-04-17 Alcohol liquid output and residual liquid recovery device of alcohol burner

Country Status (1)

Country Link
CN (1) CN111536512A (en)

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