阅读说明：本技术 一种液体正向供给、反向排空阀及其甲醇燃烧器 (Liquid forward supply and reverse emptying valve and methanol burner thereof ) 是由 刘睿奇 于 2020-05-28 设计创作，主要内容包括：本发明公开了一种液体正向供给、反向排空阀及其甲醇燃烧器,通道一、通道五的外端部为自由连接端；通道一与通道二之间设有旁通道一；通道一与通道三之间安装有开关阀一；通道三与通道四之间安装有开关阀二；通道四与通道五之间设有旁通道二；通道五与通道六之间安装有开关阀三；通道六与通道二之间安装有开关阀四；通道三与通道六之间安装有电泵；通道一、旁通道一、通道二的三者相连通；所述通道四、旁通道二、通道五的三者相连通；开关阀二、开关阀四关闭,电泵工作,其的开关阀一、开关阀三打开,为液体正向供给；开关阀二、开关阀四打开,电泵工作,其的开关阀一、开关阀三关闭,为余液反向回收及排空液道。(The invention discloses a liquid forward supply and reverse emptying valve and a methanol burner thereof, wherein the outer ends of a first channel and a fifth channel are free connecting ends; a first bypass channel is arranged between the first channel and the second channel; a first switch valve is arranged between the first channel and the third channel; a second switch valve is arranged between the third channel and the fourth channel; a second bypass channel is arranged between the fourth channel and the fifth channel; a third switch valve is arranged between the fifth channel and the sixth channel; a switch valve IV is arranged between the channel VI and the channel II; an electric pump is arranged between the third channel and the sixth channel; the first channel, the first bypass channel and the second channel are communicated; the fourth channel, the second bypass channel and the fifth channel are communicated; the second switch valve and the fourth switch valve are closed, the electric pump works, and the first switch valve and the third switch valve of the electric pump are opened to supply liquid in the forward direction; and opening the second switch valve and the fourth switch valve, operating the electric pump, closing the first switch valve and the third switch valve of the electric pump, and reversely recycling residual liquid and emptying a liquid channel.)

1. A liquid forward supply and reverse drain valve, comprising: the valve is internally provided with a first channel, a second channel, a third channel, a fourth channel, a fifth channel, a sixth channel, a first bypass channel and a second bypass channel;

the outer end part of the channel I is a free connecting end;

a first bypass channel is arranged between the first channel and the second channel;

a first switch valve is arranged between the first channel and the third channel;

a second switch valve is arranged between the third channel and the fourth channel;

the outer end part of the channel V is a free connecting end;

a second bypass channel is arranged between the fourth channel and the fifth channel;

a third switch valve is arranged between the fifth channel and the sixth channel;

a switch valve IV is arranged between the channel VI and the channel II;

an electric pump is arranged between the third channel and the sixth channel;

the first channel, the first bypass channel and the second channel are communicated;

the fourth channel, the second bypass channel and the fifth channel are communicated;

the second switch valve and the fourth switch valve are closed, the electric pump works, and the first switch valve and the third switch valve of the electric pump are opened to supply liquid in the forward direction;

and the second switch valve and the fourth switch valve are opened, the electric pump works, and the first switch valve and the third switch valve of the electric pump are closed, so that residual liquid is reversely recycled and a liquid channel is emptied.

2. A liquid forward supply and reverse drain valve as claimed in claim 1, wherein: the first switch valve, the third switch valve, the second switch valve and the fourth switch valve are all electric switch valves; the first switch valve, the third switch valve, the second switch valve, the fourth switch valve and the electric pump are all connected with a controller through electric wires, the controller controls the work of the electric pump, the controller controls the closing or opening of the first switch valve and the third switch valve, and the controller controls the closing or opening of the second switch valve and the fourth switch valve.

3. A methanol burner is characterized in that: the device comprises a combustor, an electric heater, a methanol tank, a liquid forward supply valve and a liquid reverse emptying valve, wherein a first channel, a second channel, a third channel, a fourth channel, a fifth channel, a sixth channel, a first bypass channel and a second bypass channel are arranged in the liquid forward supply valve and the liquid reverse emptying valve;

the outer end part of the first channel is connected with a first liquid pipe, the first liquid pipe is connected with an electric heater, the electric heater is connected with a second liquid pipe, and the second liquid pipe is connected with a burner;

a first bypass channel is arranged between the first channel and the second channel;

a first switch valve is arranged between the first channel and the third channel;

a second switch valve is arranged between the third channel and the fourth channel;

the outer end part of the passage five is connected with a methanol tank through a liquid supply pipe, and armor alcohol liquid is arranged in the methanol tank;

a second bypass channel is arranged between the fourth channel and the fifth channel;

a third switch valve is arranged between the fifth channel and the sixth channel;

a switch valve IV is arranged between the channel VI and the channel II;

an electric pump is arranged between the third channel and the sixth channel;

the first channel, the first bypass channel and the second channel are communicated;

the fourth channel, the second bypass channel and the fifth channel are communicated;

the second switch valve and the fourth switch valve are closed, the electric pump works, and the first switch valve and the third switch valve of the electric pump are opened to supply liquid in the forward direction; and the second switch valve and the fourth switch valve are opened, the electric pump works, and the first switch valve and the third switch valve of the electric pump are closed, so that residual liquid is reversely recycled and a liquid channel is emptied.

Technical Field

The invention relates to an alcohol liquid output and recovery device, in particular to a liquid forward supply and reverse emptying valve.

Background

The existing burner of the methanol combustion heat exchanger has no residual liquid to be recovered, because the liquid is adopted to be sprayed and combusted under high pressure, residual liquid always adheres to the atomizing head and the atomizing cavity of the burner after flameout, alcohol accumulated liquid sometimes exists at the bottom of a furnace cavity, because the residual liquid cannot be volatilized in time or is clear, the residual liquid can be combined with oxygen to be oxidized to generate crystals after staying, the time is long, the residual liquid becomes pollutant scale (the residual liquid is mixed with carbon powder adhering to a combustion fire distributing hole to become pollution scale), and the spraying hole of the atomizing head and the combustion fire distributing hole can be blocked.

Disclosure of Invention

In order to solve the technical problems, the invention provides a forward supply and reverse emptying valve for mucus liquid in 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:

a liquid forward supply and reverse emptying valve is provided with a first channel, a second channel, a third channel, a fourth channel, a fifth channel, a sixth channel, a first bypass channel and a second bypass channel;

the outer end part of the channel I is a free connecting end;

a first bypass channel is arranged between the first channel and the second channel;

a first switch valve is arranged between the first channel and the third channel;

a second switch valve is arranged between the third channel and the fourth channel;

the outer end part of the channel V is a free connecting end;

a second bypass channel is arranged between the fourth channel and the fifth channel;

a third switch valve is arranged between the fifth channel and the sixth channel;

a switch valve IV is arranged between the channel VI and the channel II;

an electric pump is arranged between the third channel and the sixth channel;

the first channel, the first bypass channel and the second channel are communicated;

the fourth channel, the second bypass channel and the fifth channel are communicated;

the second switch valve and the fourth switch valve are closed, the electric pump works, and the first switch valve and the third switch valve of the electric pump are opened to supply liquid in the forward direction;

and the second switch valve and the fourth switch valve are opened, the electric pump works, and the first switch valve and the third switch valve of the electric pump are closed, so that residual liquid is reversely recycled and a liquid channel is emptied.

The preferable technical scheme is further as follows: the first switch valve, the third switch valve, the second switch valve and the fourth switch valve are all electric switch valves; the first switch valve, the third switch valve, the second switch valve, the fourth switch valve and the electric pump are all connected with a controller through electric wires, the controller controls the work of the electric pump, the controller controls the closing or opening of the first switch valve and the third switch valve, and the controller controls the closing or opening of the second switch valve and the fourth switch valve.

The preferable technical scheme is further as follows: the liquid is alcohol liquid, and the alcohol liquid is methanol liquid or ethanol liquid; the electric pump is a booster pump.

The positive liquid supply and reverse emptying valve has the advantages that: the electric pump of the product always works in the forward direction, when the methanol combustor needs to burn, the controller controls the work of the electric pump, and simultaneously controls the second switch valve and the fourth switch valve to be closed, and the first switch valve and the third switch valve to be opened to supply the alcohol liquid for burning in the forward direction;

when the methanol burner is flamed out, the controller can control the electric pump to continue working, simultaneously control the switch valve II and the switch valve IV to be opened, close the switch valve I and the switch valve III, and suck and recover residual liquid which is adhered to the spray head, the combustion distributor, the inner wall of the combustor alcohol liquid channel, the alcohol liquid output channel and residual liquid left in the fog cavity at the bottom of the combustor reversely along the original path, so that the residual liquid which is the alcohol liquid is reversely recovered and finally recovered to the liquid storage tank; because the alcohol solution is volatile liquid, when the alcohol solution is sucked reversely, external wind enters simultaneously to volatilize residual liquid, and after volatilization, the dryness of the atomizing spray head, the combustion distributor, the inner wall of the alcohol solution channel of the combustor, the alcohol solution output channel and a fog cavity left at the bottom of the combustor is ensured, so that the advantages of good use, crystallization prevention, blockage prevention and the like at the next time are ensured.

Drawings

FIG. 1 is a schematic diagram of a forward feed of the product of the present invention;

FIG. 2 is a schematic representation of the reverse pumping of the product of the present invention;

FIG. 3 is a schematic diagram of a product tape controller of the present invention;

FIG. 4 is a schematic diagram of the forward feed liquid of the product methanol burner of the present invention;

FIG. 5 is a schematic diagram of a methanol burner with reverse liquid evacuation for the product of the present invention.

Detailed Description

A liquid forward supply and reverse emptying valve is provided with a first channel 1, a second channel 2, a third channel 3, a fourth channel 4, a fifth channel 5, a sixth channel 6, a first bypass channel 1A and a second bypass channel 1B;

the outer end part of the channel I1 is a free connecting end;

a first bypass channel 1A is arranged between the first channel 1 and the second channel 2;

a first switch valve 7 is arranged between the first channel 1 and the third channel 3;

a second switch valve 8 is arranged between the third channel 3 and the fourth channel 4;

the outer end part of the channel five 5 is a free connecting end;

a second bypass channel 1B is arranged between the fourth channel 4 and the fifth channel 5;

a third switch valve 9 is arranged between the fifth channel 5 and the sixth channel 6;

a switch valve IV 10 is arranged between the channel VI 6 and the channel II 2;

an electric pump 11 is arranged between the third channel 3 and the sixth channel 6;

the first channel 1, the first bypass channel 1A and the second channel 2 are communicated;

the fourth channel 4, the second bypass channel 1B and the fifth channel 5 are communicated;

and the second switch valve 8 and the fourth switch valve 10 are closed, the electric pump 11 works, and the first switch valve 7 and the third switch valve 9 of the electric pump are opened to supply liquid in the forward direction.

And the second switch valve 8 and the fourth switch valve 10 are opened, the electric pump 11 works, and the first switch valve 7 and the third switch valve 9 are closed, so that residual liquid is reversely recycled and a liquid channel is emptied.

The preferable technical scheme is further as follows: the first switch valve 7, the third switch valve 9, the second switch valve 8 and the fourth switch valve 10 are all electric switch valves; the first switch valve 7, the third switch valve 9, the second switch valve 8, the fourth switch valve 10 and the electric pump 11 are all connected with a controller 12 through electric wires, the controller 12 controls the electric pump 11 to work, the controller 12 controls the first switch valve 7 and the third switch valve 9 to be closed or opened, and the controller 12 controls the second switch valve 8 and the fourth switch valve 10 to be closed or opened.

The preferable technical scheme is further as follows: the liquid is alcohol liquid, and the alcohol liquid is methanol liquid or ethanol liquid; the electric pump 11 is a booster pump.

Liquid forward supply process:

when the pumping liquid is supplied in the forward direction, the electric pump 11 is started to work through the controller, the controller simultaneously controls the second switch valve 8 and the fourth switch valve 10 to be closed, controls the first switch valve 7 and the third switch valve 9 to be opened, and liquid enters from the free connecting end of the fifth channel 5 in the forward direction, flows from the free connecting end of the sixth channel 6, the electric pump 11 and the third channel 3 and then flows out from the free connecting end of the first channel 1 in the forward direction.

Liquid reverse suction and emptying processes:

when reverse suction and evacuation are required, the electric pump 11 is continuously started to work through the controller, the controller simultaneously controls the switch valve II 8 and the switch valve IV 10 to be opened, controls the switch valve I7 and the switch valve III 9 to be closed, liquid reversely enters from the free connecting end of the channel I1, and reversely flows out from the free connecting end of the channel V5 through the bypass channel I1A, the channel II 2, the channel VI 6, the electric pump 11, the channel III 3, the channel IV 4 and the bypass channel II 1B.

Methanol burner

A methanol burner comprises a burner A, an electric heater B, a methanol tank C, a liquid forward supply valve and a liquid reverse emptying valve, wherein a first channel 1, a second channel 2, a third channel 3, a fourth channel 4, a fifth channel 5, a sixth channel 6, a first bypass channel 1A and a second bypass channel 1B are arranged in the liquid forward supply valve and the liquid reverse emptying valve;

the outer end part of the channel I1 is connected with a liquid pipe I D, the liquid pipe I D is connected with an electric heater B, the electric heater B is connected with a liquid pipe II E, and the liquid pipe II E is connected with a combustor A;

a first bypass channel 1A is arranged between the first channel 1 and the second channel 2;

a first switch valve 7 is arranged between the first channel 1 and the third channel 3;

a second switch valve 8 is arranged between the third channel 3 and the fourth channel 4;

the outer end part of the passage five 5 is connected with a methanol tank C through a liquid supply pipe, and methanol liquid is filled in the methanol tank C;

a second bypass channel 1B is arranged between the fourth channel 4 and the fifth channel 5;

a third switch valve 9 is arranged between the fifth channel 5 and the sixth channel 6;

a switch valve IV 10 is arranged between the channel VI 6 and the channel II 2;

an electric pump 11 is arranged between the third channel 3 and the sixth channel 6;

the first channel 1, the first bypass channel 1A and the second channel 2 are communicated;

the fourth channel 4, the second bypass channel 1B and the fifth channel 5 are communicated;

and the second switch valve 8 and the fourth switch valve 10 are closed, the electric pump 11 works, and the first switch valve 7 and the third switch valve 9 of the electric pump are opened to supply liquid in the forward direction.

And the second switch valve 8 and the fourth switch valve 10 are opened, the electric pump 11 works, and the first switch valve 7 and the third switch valve 9 are closed, so that residual liquid is reversely recycled and a liquid channel is emptied.

The first switch valve 7, the third switch valve 9, the second switch valve 8 and the fourth switch valve 10 are all electric switch valves; the first switch valve 7, the third switch valve 9, the second switch valve 8, the fourth switch valve 10 and the electric pump 11 are all connected with a controller 12 through electric wires, the controller 12 controls the electric pump 11 to work, the controller 12 controls the first switch valve 7 and the third switch valve 9 to be closed or opened, and the controller 12 controls the second switch valve 8 and the fourth switch valve 10 to be closed or opened. The ignition needle, flame detection needle, and electric heater B of the burner a are connected to the controller 12 via electric wires.

Liquid forward supply process:

when the burner A is to burn, the electric pump 11 is used for sucking the methanol in the methanol tank C for forward supply, the electric pump 11 is started to work through the controller 12, the controller 12 simultaneously controls the second switch valve 8 and the fourth switch valve 10 to be closed, controls the first switch valve 7 and the third switch valve 9 to be opened, liquid enters the channel five 5 in the forward direction, flows out of the channel one 1 in the forward direction through the channel six 6, the electric pump 11 and the channel three 3, then enters the electric heater B, finally is sprayed out of the methanol nozzle of the burner A for burning, and is heated by 80-140 ℃ through the electric heater B (the electric heater B is heated through the controller), and then is atomized and sprayed out of the methanol nozzle of the burner A for burning.

Liquid reverse suction and emptying processes:

when the burner A is flamed out and is not combusted, the electric pump 11 is continuously started to work through the controller 12 when reverse suction, evacuation and air draft volatilization are required to be adhered to the spray head, the combustion distributor, the inner wall of the burner alcohol liquid channel, the alcohol liquid output channel and residual liquid left in the fog cavity at the bottom of the burner, the controller 12 simultaneously controls the switch valve II 8 and the switch valve IV 10 to be opened, controls the switch valve I7 and the switch valve III 9 to be closed, and the residual liquid and volatile methanol fog reversely enter from the outer end part of the channel I1 and then pass through the bypass channel I1A, the channel II 2, the channel VI 6, the electric pump 11, the channel III 3, the channel IV 4 and the bypass channel II 1B, and then reversely flow out from the channel V5 and are conveyed back into the methanol tank C, and reversely sucked and recovered along the original path, so that the residual liquid of the alcohol liquid is reversely recovered and finally recovered; because the alcohol solution is volatile liquid, when the alcohol solution is sucked reversely, external wind enters simultaneously to volatilize residual liquid, and after volatilization, the dryness of the atomizing spray head, the combustion distributor, the inner wall of the alcohol solution channel of the combustor, the alcohol solution output channel and a fog cavity left at the bottom of the combustor is ensured, so that the next good use is ensured, the alcohol solution is prevented from crystallizing, and the nozzle and the liquid channel are prevented from being blocked.

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.