CN2511884Y

CN2511884Y - Liquefied gas supplier

Info

Publication number: CN2511884Y
Application number: CN 01229802
Authority: CN
Inventors: 李佳欣
Original assignee: 王健骅
Priority date: 2001-07-03
Filing date: 2001-07-03
Publication date: 2002-09-18
Anticipated expiration: 2011-07-03

Abstract

The utility model relates to a liquefied gas supplier which comprises a fuel drum filled with liquefied gas fuel, the top end of the drum is provided with an air input pipe and an air output pipe, one end of the air input pipe is extended into the inside of the fuel drum near the bottom, and the air output pipe is communicated with a furnace; an air supplying system and a control valve are arranged on the air input pipe, and are communicated with the air supplying system and the air output pipe. The utility model can effectively stabilize the supplying pressure of gas fuel.

Description

Liquid fuel gas supply device

(1) technical field:

The utility model relates to a kind of liquid fuel gas supply device.

(2) background technology:

General gaseous state combustion gas is widely used in the stove that boils in the family, the thermal source supply of stove and water heater fast, and there is the danger of gas explosion in this kind gaseous state fuel gas, be well-known, though it has the disappearance of gas explosion, but owing to still there is not a kind of security that has concurrently now, the fuel of economy and stability can replace, therefore, the gaseous state combustion gas still is the fuel of main flow, yet be not have the preferable home-use fuel of security can replace the gaseous state combustion gas, in fact, there is not the liquid combustion gas of gas explosion danger to come out very of a specified duration, when its reason that always can't replace the gaseous state combustion gas just is that liquid fuel gas supply stove and accessory burning is used, can't effectively control combustion quality, that is to say, the size of flame is difficult to control, even extinguish suddenly, these situations are all relevant with supply gas pressure and instability of flow, with present liquid fuel gas supply device, still can't accomplish the effect of stablizing supply gas pressure and flow, the utility model is promptly improved at this disappearance.

As shown in Figure 1, it is a kind of liquid in the past fuel gas supply schematic representation of apparatus, feedway 1 has the propellant bottle 11 that an inside is loaded with liquid combustion gas, this propellant bottle 11 is provided with an air inlet pipe 111, one escape pipe 112 and a pressure perceptron 113, air inlet pipe 111 is communicated with an air feed pump 12, and when pressure perceptron 113 induction propellant bottles 11 internal pressures are lower than setting value, promptly control air feed pump 12 air feed, when the pressure in the propellant bottle 11 reaches setting value, pressure perceptron 113 is controlled air feed pump 12 immediately and is stopped air feed, and gas enters propellant bottle 11 and the combustion gas of liquid combustion gas mixing generation gaseous state via air inlet pipe 111, this gaseous state combustion gas is transported to a stove and accessory 13 burnings by escape pipe 112 again and is used, though aforementioned feedway 1 can reach the purpose of supplying with the gaseous state combustion gas, but because air feed pump 12 gas supplied flows can not change with the variation of propellant bottle 11 internal pressures, make pressure transient in the propellant bottle 11, so directly the gas pressure of stove and accessory 13 is supplied with in influence, add stove and accessory 13 and can control the gas flow of its output, just control the size of stove fire, make that so more the pressure float in the propellant bottle 11 is indefinite, can't effectively control, so, little when big in the time of will causing stove fire, even very hour at supply gas pressure, flourishing phenomenon can appear, and supply gas pressure is when increasing suddenly, the gaseous state combustion gas can have little time burning and stop working on the converter nose of stove and accessory 13, the gaseous state combustion gas of this moment still can spray from converter nose, status all can cause user's inconvenience, why up to the present this also is, the reason that liquid combustion gas still can't be widely used, therefore, how effectively to improve the disappearance of liquid gas supply pressure transient, be when last important problem, use so that a kind of fuel with preferable security of people to be provided.

(3) summary of the invention:

But the purpose of this utility model is the liquid fuel gas supply device that is to provide a kind of stabilizing gas fuel-supplying pressure.

In order to achieve the above object, the utility model provides a kind of liquid fuel gas supply device, it is characterized in that: this liquid state fuel gas supply device comprises:

One propellant bottle wherein is filled with liquid fuel gas, and this cylinder top provides an air inlet pipe and an escape pipe, and an end of this air inlet pipe extends this propellant bottle inner near bottom, and this escape pipe is communicated with a stove and accessory;

One supplies with the air supply system of combustion gas automatically;

One control valve is mounted on this air inlet pipe and with this air supply system and this escape pipe and is communicated with.

Described liquid fuel gas supply device, it is characterized in that: this control valve has a upper shell and a lower house that covers up and down, this lower house is provided with a control compression ring shell, its bottom is communicated with this air supply system, this control compression ring shell inside also is provided with a spacer portion, define a upper chamber and a lower chamber respectively between this spacer portion and this control compression ring shell shell wall, also offer a perforation on this spacer portion, this perforation is communicated with is somebody's turn to do, lower chamber, this upper chamber is communicated with this air inlet pipe, this control compression ring shell top shell wall is to should perforation place offering a pin-and-hole, a tray is established in this pin-and-hole top, this tray middle cover is established rubber-like envelope film spare, define a back pressure chamber between this envelope film spare and this tray, this back pressure chamber is communicated with this escape pipe, establish a Control Component in the lower chamber of this control compression ring shell, this Control Component has an elastic component, the one plug spare that upwards shored by this elastic component, and the pivot pin that is based in this plug spare top, under the shoring of elastic component, the plug part can on move plug and hinder in perforation and go up and on cutting off really, the connection of lower chamber, this pivot pin passes this perforation and this pin-and-hole, and be resisted against this envelope film spare, establish a pressure regulation assembly in this upper shell, this pressure regulation assembly is pressed against on this envelope film spare, and adjustable seamless supports power, when the strength on last top less than the pressure regulation assembly compress power the time, Control Component is pushed downwards, and making of the perforation of plug part away from spacer portion, the gas of air supply system can be conducted to propellant bottle; When the strength on last top greater than the pressure regulation assembly compress power the time, the plug part can be filled in the resistance perforation, with the blocking-up air feed.

Described liquid fuel gas supply device is characterized in that: this back pressure chamber and this stove and accessory are connected, and use so that the gaseous state combustion gas in the propellant bottle can be delivered to the stove and accessory burning via escape pipe, back pressure chamber.

Described liquid fuel gas supply device, it is characterized in that: this control valve has a diaphragm seal, and the sealing film is located on this tray, and is covered in this pin-and-hole top, and is subjected to this pivot pin contact, passes through pin-and-hole to avoid the indoor gas of back pressure.

Liquid fuel gas supply device of the present utility model, its control valve is to be mounted on the air inlet pipe also to be communicated with air supply system and escape pipe simultaneously, to utilize the gas pressure control air supply system institute gas supplied flow in the escape pipe, make the interior gas pressure of escape pipe keep voltage stabilizing, and then make stove fire keep smooth combustion.

In sum, liquid fuel gas supply device of the present utility model, its advantage is: gaseous fuel enters the back pressure chamber of control valve in the escape pipe, to change air supply system institute gas supplied flow, it is stable that the gaseous-pressure that is delivered to stove and accessory is kept, very convenient on using, have splendid practicality and progressive really.

(4) description of drawings:

Fig. 1 is a kind of liquid in the past fuel gas supply device schematic diagram.

Fig. 2 is the liquid fuel gas supply device of the utility model one a preferred embodiment schematic diagram, and each interelement winding relation is described.

Fig. 3 is a cutaway view of the utility model preferred embodiment, and the internal structure of control valve is described.

Fig. 4 is that cardon is made in one of the utility model preferred embodiment, illustrates that a plug part of control valve blocks in perforation.

Fig. 5 is the liquid fuel gas supply device of another preferred embodiment of a utility model schematic diagram, and each interelement winding relation is described.

Fig. 6 is a cutaway view of another preferred embodiment of the utility model, and the internal structure of control valve is described.

(5) specific embodiment:

As Fig. 2, shown in Figure 3, the liquid fuel gas supply device 2 of the utility model is to be used with a stove and accessory 3, and includes a propellant bottle 4, an air supply system 5 and a control valve 6, wherein:

Be filled with liquid fuel gas in the propellant bottle 4, and provide an air inlet pipe 41 and an escape pipe 42 at cylinder top, one end of air inlet pipe 41 is to extend propellant bottle 4 inner near bottom, and be connected with a Bubbled stone 43, so that gas disperses via before air inlet pipe 41 and the liquid contacts fuel gas in advance, be beneficial to liquid, gas mixes, and escape pipe 42 is and stove and accessory 3 is connected, establish a switch 44 on it, whether give vent to anger with control.

Air supply system 5 is the air feed that can turn round, and an external pipeline 51, establishes a pressure perceptron 52 on this pipeline 51, and when the pressure in the pipeline 51 rose to setting pressure, pressure perceptron 52 can shut down by control air supply system 5.

Control valve 6 is to be mounted on the air inlet pipe 41, and is communicated with escape pipe 42, to utilize 5 the gas supplied flows of gas pressure control air supply system in the escape pipe 42, makes escape pipe 42 interior gas pressures keep stable.

Control valve 6 is for achieving the above object, it has a upper shell 61 and a lower house 62 that covers up and down, lower house 62 is formed with a control compression ring shell 63, its bottom is open shape and screws togather with the spiral shell spare 64 of a hollow, the middle vacancy of spiral shell spare 64 engages with pipeline 51, gas can be infeeded in the control compression ring shell 63, and control compression ring shell 63 inside form a spacer portion 631 again, define a upper chamber 632 and a lower chamber 633 between this spacer portion 631 and shell wall respectively, offer a perforation 634 on the spacer portion 631 again, so that on, lower chamber 632,633 are interconnected, upper chamber 632 leads to air inlet pipe 41 simultaneously, control the corresponding perforation of compression ring shell 63 top shell walls 634 places again and offer a pin-and-hole 635, and expansion forms a tray 65 again, cover one on the other in the tray 65 and establish rubber-like one an envelope film spare 66 and a diaphragm seal 67, this envelope film spare 66 has a diaphragm 661 and is located at the holding to sheet 662 of diaphragm 661 tops, 65 of diaphragm 661 and trays define a back pressure chamber 68, this back pressure chamber 68 borrows a muffler 69 to be communicated with escape pipe 42, and diaphragm seal 67 can be isolated back pressure chamber 68 and pin-and-hole 635 really, avoids gas to enter back pressure chamber 68 by upper chamber 632.

Establish a Control Component 7 in the lower chamber 633 of aforementioned control compression ring shell 63, this Control Component 7 has an elastic component 71 that is arranged in spiral shell spare 64 tops, the one plug spare 72 that upwards shored by elastic component 71, and the pivot pin 73 that is based in plug part 72 tops, under the shoring of elastic component 71, the plug part 72 can bore a hole relatively 634 near or by touching, to change the flow of gas by perforation 634, or plug hinders in perforation 634 and cuts off the connection of upper and lower air chamber 632,633 really, and pivot pin 73 passes perforation 634 and pin-and-hole 635 contact diaphragm seals 67 and envelope film spare 66 simultaneously.

Then, in upper shell 61, establish a pressure regulation assembly 8, pressure regulation assembly 8 has and suppresses part 81 and a spiral shell and be located at and tune part 82 on the upper shell 61, suppressing part 81 is resisted against and tunes the holding on sheet 662 of part 82 and envelope film spare 66, tune part 82 by adjustment, be pressed against the active force that seals on the film spare 66 with change.

Therefore, the strength on control valve 6 top on the Control Component 7 adds the make progress active force of pushing tow envelope film spare 66 of back pressure chamber 68 internal pressures, with the pressure regulation assembly 8 that contends with to the active force that presses down, whereby with change plug part 72 away from, near or by touching different conditions such as perforation 634, and then reach the purpose of control by 634 the gas flow of boring a hole.

Illustrate further, under normal the use, after stove and accessory 3 igniting just, pressure in the escape pipe 42 can descend, and be fed back in the back pressure chamber 68 via muffler 69, and cause Control Component 7 more down to be pushed away, just filling in part 72 can be further from perforation 634, then gas will increase by 634 the flow of boring a hole thereupon, gas pressure in fast lifting propellant bottle 4 and the escape pipe 42 is to keep the stability of escape pipe 42 internal pressures, briefly, how many gas flows escape pipe 42 discharges, air supply system 5 is the gas of flow such as supply just, and positive what is called is advanced, the synchronous start of giving vent to anger has under the so stable fuel-supplying pressure at escape pipe 42, the unlikely generation of stove fire is suddenly big or suddenly small, even flame-out situation.

As shown in Figure 4, when stove and accessory 3 does not use, pressure in the escape pipe 42 can rise and be fed back in the back pressure chamber 68, itself and Control Component 7 is when upwards the strength of pushing tow is greater than the downward pushing force of pressure regulation assembly 8, move in the i.e. meeting of plug part 72 and block in perforation 634, the blocking-up air feed, the pressure in the pressure perceptron 52 induction pipelines 51 rises to setting value at this moment, makes air supply system 5 shut down immediately.

As Fig. 5, shown in Figure 6, the liquid fuel gas supply device 2 of another preferred embodiment of the utility model is roughly the same with the structure of last embodiment, include a propellant bottle 4 equally, one air supply system 5 and a control valve 6, its main difference point is: the back pressure chamber 68 of control valve 6 is communicated with stove and accessory 3 with escape pipe 42 and by means of an appendix 31 simultaneously, the fuel through gasification that is to say propellant bottle 4 inside can enter back pressure chamber 68 via escape pipe 42, being delivered to stove and accessory 3 burnings by appendix 31 again uses, and when fuel gas enters back pressure chamber 68, still the effectiveness that has the flow supplied with of control air supply system 5, therefore, present embodiment can reach the effect of steady fuel supply pressure equally.

Claims

1, a kind of liquid fuel gas supply device is characterized in that: this liquid state fuel gas supply device comprises:

One supplies with the air supply system of combustion gas automatically;

2, liquid fuel gas supply device as claimed in claim 1, it is characterized in that: this control valve has a upper shell and a lower house that covers up and down, this lower house is provided with a control compression ring shell, its bottom is communicated with this air supply system, this control compression ring shell inside also is provided with a spacer portion, define a upper chamber and a lower chamber respectively between this spacer portion and this control compression ring shell shell wall, also offer a perforation on this spacer portion, this perforation is communicated with is somebody's turn to do, lower chamber, this upper chamber is communicated with this air inlet pipe, this control compression ring shell top shell wall is to should perforation place offering a pin-and-hole, a tray is established in this pin-and-hole top, this tray middle cover is established rubber-like envelope film spare, define a back pressure chamber between this envelope film spare and this tray, this back pressure chamber is communicated with this escape pipe, establish a Control Component in the lower chamber of this control compression ring shell, this Control Component has an elastic component, the one plug spare that upwards shored by this elastic component, and the pivot pin that is based in this plug spare top, this pivot pin passes this perforation and this pin-and-hole, and be resisted against this envelope film spare, and establish a pressure regulation assembly in this upper shell, this pressure regulation assembly is pressed against on this envelope film spare.

3, liquid fuel gas supply device as claimed in claim 2 is characterized in that: this back pressure chamber and this stove and accessory are connected.

4, liquid fuel gas supply device as claimed in claim 2, it is characterized in that: this control valve has a diaphragm seal, and the sealing film is located on this tray, and is covered in this pin-and-hole top, and is subjected to this pivot pin contact.