CN2278147Y - Automatic feeding tank for liquefied petroleum gas - Google Patents

Abstract

The utility model relates to an automatic feeding tank for liquefied petroleum gas, which comprises a gas storage cylinder, a pressure regulating valve, a gas delivery pipe and a tank body. The utility model is characterized in that two or more than two gas storage cylinders 9 are arranged in the cabinet-shaped tank body. The crossing part of rubber high pressure pipes 7 connected with gas discharging openings of the two gas storage cylinders is connected with an automatic switching pressure regulator 3. A low pressure gas delivery pipe 5 is connected with a ball valve 6 in series. The gas delivery pipe between the automatic switching pressure regulator 3 and the ball valve 6 is connected in parallel with a small ball valve and an automatic pressure recording instrument 2 which are connected in series. The rubber high pressure pipes 7 connected with the gas discharging openings of the two gas storage cylinders are also connected with an automatic stop valve 8 in series. An automatic spraying extinguisher 1 and a gas leakage alarm 4 are arranged in the tank body. The gas delivery pipe protrudes from the tank body and is connected with an interface of a gas inlet and outlet pipe of a user. The utility model has the characteristics of continuous gas supply for users, guarantee of safe use of gas, low investment, short construction period, flexibility, obvious effect, strong adaptability to various buildings of users, etc.

Description

The automatic air feed case of liquefied petroleum gas (LPG)

The utility model discloses the automatic air feed case of a kind of liquefied petroleum gas (LPG), is that liquefied petroleum gas (LPG) is used the innovation and creation in the facility.

Effective utilization and economic benefit from the energy, social benefit, aspect analyses such as environmental benefit, the supply of fuel in city will be based on rock gas and liquefied petroleum gas (LPG), China will greatly develop the supply of rock gas and liquefied petroleum gas (LPG) from now on, present big city, economic development zone and some developed area residents use coal gas, liquefied petroleum gas (LPG) is very general, according to investigations * * area occupies the domestic gas rate and reached 90%, about 200,000 families, urban gas supply wherein, about 300,000 families of liquefied petroleum gas (LPG) user, this has no doubt improved resident's living condition greatly, reduced the pollution of flue dust to environment, obtained good social benefit, but a large amount of residents that are to use liquefied petroleum gas (LPG) also are in the supply and the use pattern of " jar of a family; gas oneself changes to the greatest extent " so far, as everyone knows, liquefied petroleum gas (LPG) is a kind of combustible and explosive articles, cylinder for liquefied gas belongs to pressurized container, by present usage mode, huge numbers of families are positioned over gas cylinder in the room, particularly current cities and towns multiple dwelling is built on a large scale, grange is also to the urbanization trend development, the advanced energy and the use that falls behind are to the household safe of a large number of users, the security against fire in area all brings potential danger, according to the data introduction, the urban fire protection regulation of advanced country, per 100 square metres of public buildings or tenant space, the storage of inflammable gas must not be above 0.12 cubic metre, forbid pressurized container is positioned in the room, the resident uses the situation utmost point of liquefied petroleum gas (LPG) " jar of a family " to change.

The purpose of this utility model provides the automatic air feed case of a kind of liquefied petroleum gas (LPG), huge numbers of families are positioned over indoor liquefied gas tank to move on to outdoor, concentrated relatively, liquid gas after by automatic cassette for supplying pressure regulation being handled is with low low pressure (2.8kpa) form, proceed to the gas-fired equipment of every household with low pressure pipeline, the storage volume of indoor inflammable gas and the storage problem of pressurized container had so both been solved, also solved simultaneously the hardship that the resident changes liquified petroleum gas cylinder in the building, it is concentrated relatively that liquid gas stores, also help management and improve technical safety measures, thereby improved the safety coefficient that liquefied petroleum gas (LPG) is used greatly.

The utility model is achieved like this, inflammable gas in the gas storage steel cylinder, by the vapour tension 0.1-1.6MPa that vaporizes and produce naturally, deliver to the automatic switchover pressure governor through automatic stop valve, the low pressure gas of turnover 2.8KPa after pressure regulation is handled, deliver to out splice going splice through main switch by air delivering pipeline, link to each other with the inlet opening of user's air inlet pipeline then, deliver to gas-fired equipment, in order to move to air feed source of the gas and pressurized container outdoor, above-mentioned source of the gas steel cylinder and transformation gas transmission element are assembled in the cabinet shape casing, in order to use gas safety, be provided with the pressure autographic recoder in the low pressure air delivering pipeline in the casing, be convenient to observe and automatic record low pressure air feed situation, also installed Fuel Gas Leak Alarm and automatic spray fire extinguisher in the casing, so just constituted the utility model, as long as out splice going splice and user's suction tude networking interface of automatic air feed case are joined, so just can guarantee continuous air feed, the air feed case is evenly distributed at outdoor ground automatically in a slice dwelling house.The indoor gas storage steel cylinder with air pressure 1.6MPa of resident moves to outdoor, has only 2.8KPa low pressure tracheae in the room, sets up safety installations again, greatly takes on a new look with gas safety.

With Figure of description the utility model is further specified below.

Accompanying drawing 1 is the utility model fundamental diagram

Accompanying drawing 2 is the utility model structural representation

Accompanying drawing 3 is cabinet shape box shape figure

With reference to the accompanying drawings 2,1. is the extinction by automatic sprinkling machine among the figure, 2. manograph, 3. automatic switchover pressure regulator , 4. Fuel Gas Leak Alarm, 5. air delivering pipeline, 6. ball valve, 7. high-pressure rubber pipe, 8. automatic stop valve, 9. liquid Change gas cylinder, 10. cabinet shape casing, of the present utility model be characterised in that have in the cabinet shape casing 10 two or two with On the infall of the high-pressure rubber pipe 7 that picks out of 9, two gas bomb gas vents of gas storage cylinder be connected with to automatically switch and transfer Depressor 3, automatic switchover pressure regulator top is provided with pressure-display device, and the automatic switchover pressure regulator has the three basic merit Can: automatically switch (1), and be in operation two steel cylinders or two groups of steel cylinder one sides are for using side, and opposite side is prepped side , when the source of the gas that uses side used up, this device automatically switched to prepped side, to guarantee successively to stablize air feed , (2) are to adjust pressure, currently used automatic switchover pressure regulator is two sections pressure regulators, i.e. height Press pressure regulator, liquefied gas enters pressure regulator under the vapour pressure effect that vaporization produces naturally, and inlet pressure is 0.1-1.6MPa (in the south of the lower reaches of the Yangtze River), through pressure regulator adjustment outlet, pressure is low pressure gas (state's domestic discipline and family rules of 2.8KPa Fixed gas utensil working pressure), (3) are that pressure shows that automatic switchover pressure regulator top is provided with pressure-display device , show steel cylinder pressure and indication use gas position, the flow of automatic switchover pressure regulator have 4kg/h, 8kg/h, Several specifications such as 10kg/h, the low pressure air delivering pipeline 5 that picks out from automatic switchover pressure regulator 3 is serially connected with big ball valve 6, The 10 rear direct and subscriber network connections of air delivering pipeline 5 pass-out casings are between automatic switchover pressure regulator and big ball valve Appendix on and pick out the string small ball and automatic pressure recorder 2 are arranged, recorder is tied by clockwork spring driving clock disc type Structure is convenient to observe and automatic record low pressure air feed situation, and place, high-pressure rubber pipe 7 nearly gas bomb gas outlets also is serially connected with Automatic stop valve 8, it is a protective device, its effect be when occur unusual and unstable by air-flow or During the sudden change of person's flow, automatically cut off air feed, play safety effect. The square box top is provided with on the inherent gas bomb of casing Extinction by automatic sprinkling machine 1. Also be provided with Fuel Gas Leak Alarm 4 in the casing. Described cabinet shape casing 10 is to use 1.5mm flat cold-rolled sheet is welded, the top is rain-proof type, and wall has more blinds hole, and the door of casing is Two-door outer open form, door are provided with peep hole and pellet instrument box lock. Gas bomb gas-storing capacity specification in the described casing Two kinds of 15kg and 50kg can be arranged. Described extinction by automatic sprinkling machine selects ZYW4 not have pipeline 1211 automatic fire sprinklers, It is a kind of efficient self-extinguishing equipment of novelty, and 1211 extinguishing chemicals and nitrogen, tool are housed in the oblate spheroid bottle The fire-fighting efficiency height is arranged, and corrosivity is little, and for a long time storage is never degenerated, the characteristics such as leave no trace after the fire extinguishing, and its head is equipped with Temperature-sensing element, 79 ℃ of fixed beginning spray temperature, temperature raise when fire alarm took place, the temperature-sensing element work done, Open valve, 1211 extinguishing chemicals ejection Self-extinguishing.

Embodiment 1, when single building villa or small user, put and to select two bottles of capacity of device for use in the casing outside dwelling house the LP gas cylinder that is 15kg, No. 1 case of called after, the length and width height of casing is respectively: 750 * 430 * 850mm, adopt the flow of automatic switchover pressure governor this moment is 4kg/h, two bottles of combinations, one opens one is equipped with, owing to adopted automatic switchover, can guarantee continuous air feed, bottle worker that changes by air feed unit implements to change bottle to scheduled time, and the user can charge by gas meter, use safe and convenient, as using piped gas.

Embodiment 2, for multi-layer structure dwelling house resident or small-sized dining room or restaurant etc., the optional two bottle combinations that are used in installed capacity 50kg in the casing, one opens one is equipped with, called after II case, the length and width height of casing is respectively: 1100 * 500 * 1600mm, automatic switchover pressure governor flow adopt 8kg/h, during use also as precedent, supply air line is laid in the room of multiple dwelling, the provided underground pipe network, automatic air feed case ground arranged outside the building is to the network air feed.

Embodiment 3, for gas consumption bigger multiple dwelling or public utilities and business group etc., optional four bottles of combinations that are used in installed capacity 50kg in the casing, two open two is equipped with, called after III case, and the length and width height of casing is respectively: 1100 * 900 * 1600mm, automatic switchover pressure governor flow adopts 10kg/h, sometimes also available II case air feed in parallel adopts head and the tail distribution, starlike distribution or even location mode, uses safer, reasonable, reliable.

The bottle gas user that the utility model and a family are one bottle relatively has five big advantages. (1) air feed Equipment is unified relevant, and centralized management and maintenance are very easy to the user. In the user room that (2) one families are a bottle Deposit the liquefied gas bottle of 15kg (self pressure be 0.5MPa), and in the utility model room in the low pressure air supply pipe Air feed only is below the 2.8-3.3KPa, and both compare and have greatly improved safety coefficient. (3) combustion gas is concentrated and is stored, Relatively reduce storing total amount, mix safety guard, further improved safety coefficient. (4) changed manpower The heavy physical labor of going downstairs on the carrying steel cylinder reduces steel cylinder and transports voluntarily, alleviates the urban traffic congestion situation. (5) take full advantage of the gasification property of liquefied gas, improved rate of gasification, reduced the raffinate total amount, the energy has been obtained Utilize fully. Compare with artificial nest coal gas, adopt the utility model to reduce investment outlay, production elasticity is big , start-stop is convenient, and operating cost is low, and the construction period is short, can build by stages and in groups and implement, also can be separate Can connect each other again, environmental effect is good, three-waste free pollution, and gas supply scale is changeable, maneuverability, this reality Especially strong to the adaptability of each building with novel enforcement, small investment, instant effect, combination is flexibly, and is little to dwelling house Greening and the road damage in district are little, the source of the gas change, and it is little to switch the variation loss incurred, has obvious superiority.

Claims (5)

1, a kind of gas storage steel cylinder that includes, pressure regulator valve, air delivering pipeline, the automatic air feed case of the liquefied petroleum gas (LPG) of casing, it is characterized in that having in the cabinet shape casing 10 the gas storage steel cylinder 9 more than two or two, the infall of the high-pressure rubber pipe 7 that two air cylinder air vents pick out is connected with automatic switchover pressure governor 3, the pre-portion of automatic switchover pressure governor is provided with pressure-display device, the low pressure air delivering pipeline 5 that picks out from switching pressure governor 3 is serially connected with big ball valve 6, direct and the subscriber network connection in air delivering pipeline 5 pass-out casings 10 backs, place, high-pressure rubber pipe 7 nearly air cylinder air outlet also is serially connected with automatic stop valve 8, the square box top is provided with automatic spray fire extinguisher 1 on the inherent air cylinder of casing

2, the automatic air feed case of liquefied petroleum gas (LPG) according to claim 1, it is characterized in that on the air delivering pipeline between inherent automatic switchover pressure governor of casing and the big ball valve and pick out string that small ball 6 and pressure autographic recoder 2 are arranged, also be provided with Fuel Gas Leak Alarm 4 in the casing

3, the automatic air feed case of liquefied petroleum gas (LPG) according to claim 1 and 2 is characterized in that cabinet shape casing 10 is to be welded with the 1.5mm flat cold-rolled sheet, and the top is a rain-proof type, wall has more blinds hole, the door of casing is two-door outer open form, and door is provided with peep hole and pellet shot from a slingshot instrument box lock

4, the automatic air feed case of liquefied petroleum gas (LPG) according to claim 3, the gas-storing capacity specification that it is characterized in that the gas storage steel cylinder can have two kinds of 15kg and 50kg, and air cylinder can be four bottles in the casing,

5, the automatic air feed case of liquefied petroleum gas (LPG) according to claim 4 is characterized in that the automatic spray fire extinguisher in the casing selects for use the ZYW4 type not have pipeline 1211 automatic fire sprinklers, and the fire extinguisher head is equipped with heat responsive element, and beginning spray temperature is 79 ℃.

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