CN101298901B - Separating explosion-proof skid-mounted type vehicle gasification device - Google Patents
Separating explosion-proof skid-mounted type vehicle gasification device Download PDFInfo
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- CN101298901B CN101298901B CN2008101270182A CN200810127018A CN101298901B CN 101298901 B CN101298901 B CN 101298901B CN 2008101270182 A CN2008101270182 A CN 2008101270182A CN 200810127018 A CN200810127018 A CN 200810127018A CN 101298901 B CN101298901 B CN 101298901B
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Abstract
An obstruct explosion protection skid-mounted car air filling device integrates an obstruct explosion protection air receiver, an air filling machine and auxiliary apparatus, which can be movable on the ground and is a fuel device for filling the liquefied petroleum gas (LPG) for the LPGV cars. The air receiver of the device is filled with an obstruct explosion protection material unit, a shaft and a decontamination tunnel. A pile casing filled with the obstruct explosion protection materials is arranged in the shaft, wherein the materials can be suspended outside the receiver with the pile casing 26, which is convenient for the maintenance and the clean. A liquid inlet pipe and a liquid outlet pipe are arranged in the obstruct explosion protection, a shielding case is arranged on the nozzle end, which greatly reduces the impact of the LPG liquid materials. A spray heat sink is arranged in the sun-screening heat insulation hood, and the cooling water sprayed from the atomizer can makethe air receiver cool down. Due to the air receiver filled with the obstruct explosion protection materials, the accident 'boiling liquid expansion steam explosion' of the LPG can be effectively avoided to ensure the safety of the storage reservoir. The device is an integral structure, which is convenient to suspend and move.
Description
Technical field
The present invention relates to a kind of separating explosion, it is one that its collection intercepts explosion-proof gas holder, filling machine and supplementary equipment thereof, is on the ground movably, is the device that liquefied petroleum gas automobile (LPGV) fills liquefied petroleum gas (LPG) (LPG) fuel.
Background technique
Along with poor day by day with the energy of developing rapidly of automotive industry, people have begun to utilize new energy-liquefied petroleum gas (LPG), and promptly LPG (abbreviation of Liquefied Petroleum Gas) is as the fuels and energy source of motor car engine.LPG is crude oil resulting a kind of by-product when carrying out catalytic pyrolysis and thermal cracking, and main component has propane (C
3H
8), butane (C
4H
10), propylene (C
3H
6), butylene (C
4H
8) etc., boiling point is lower, and the heating value height stores simple.Become liquid the storage after normally LPG being pressurizeed, cools off.For safety, easily to the liquefied petroleum gas (LPG) automobile, promptly LPGV (abbreviation of Liquefied Petroleum Gas Vehicle) fills power fuel, and gas station adopts buried gas holder structure usually.The defective that this gas station exists is: floor space is big, and difficulty of construction is big, and the engineering cost height has unsafe factor.Particularly buried gas holder is subjected to phreatic erosion for a long time, adds a jar pond distortion, and fluid seepage or leakage appear in gas holder, and peripheral soil is caused irremediable infringement.In order to prevent to leak, usually horizontal gas holder is placed on the open-air reinforced concrete ground; For these LPV gas stations of safety mostly build in away from city or remote place, it fills fuel to LPGV and has brought inconvenience.In order to satisfy the demand of urban development, in the city, particularly establish new gas station in the business district, not only to consider the financial charges of building a station, also want moving to levy the soil, face a series of thorny problems such as urban land scarcity.The safety of what is more important gas holder prevents that especially " vapour explosion of boiling liquid expansibility " i.e. " BLEVE " (abbreviation of BoilingLiquid Expanding Vapor Explosions) accident of liquefied petroleum gas storage tank from taking place.
" BLEVE " phenomenon is that flame of combustion acutely burns tank skin when the LPG storage tank suffers that extraneous fire is attacked, and makes the tank skin that excessively is heated form " dried wall ", creep at high temperature appears in " dried wall " part of tank skin, reduction in strength causes tank structure to destroy, and the tank skin fracture is torn; The flame that burns simultaneously sharply heats near the liquefied petroleum gas (LPG) the tank skin, and the liquefied petroleum atmospheric pressure rises rapidly, violent bubble boiling occurs.This moment, the LPG of high-temperature vapour was easy to from avulsed tank skin splash, formed " vapour explosion of boiling liquid expansibility ", caused the loss that can't retrieve.
Summary of the invention
The object of the present invention is to provide a kind of separating explosion, at first the technical problem of Xie Jueing is to guarantee that the function of use of gas station is constant on the ground, guarantees the storage safe, explosion-proof of LPG gas holder, realizes essential safety; Secondly aerator is a monolithic construction, can move at any time, conveniently moving.This plant area area is little, the time of building a station is short, expense is low, operation and maintenance is easy, can be widely used in fixing and interim aerating place such as down town, large parking lot, expressway, cities and towns and rural area, it is the ground LPG gas station of a safety, environment protection type.
Separating explosion of the present invention comprises intercepting explosion-proof gas holder, filling machine, sledge body, protective housing and sun-proof heat insulation paulin.On the explosion-proof gas holder of obstruct, liquid inlet pipe is set, drain pipe and gas phase reflow pipe, tank body has safety valve and exhaust stack, and liquid level instrument and high and low limit warning device thereof are arranged in the tank body.On the sledge body that intercepts explosion-proof gas storage tank body bottom, filling pump is set, the pump of unloading and " LPG " liquid pipe, valve and pressure gauge etc.
It is characterized in that:
Intercepting explosion-proof gas holder and filling machine is located on the sledge body.Filling machine is positioned at the one or both sides that intercept explosion-proof gas holder, and is arranged on the table top that sledge body framework extends, intercept explosion-proof gas holder on sun-proof heat insulation paulin is arranged, the sunshade that the filling machine top has sun-proof heat insulation paulin outwards to extend.The explosion-proof gas holder of described obstruct is the single wall jar, and a jar end saddle bracket is welded on the sledge body.In intercepting explosion-proof gas holder, be filled with separating anti-explosive material unit body, vertical shaft, casing and decontamination tunnel.
Fill block blast-proof materials in the described separating anti-explosive material unit body.Described block blast-proof materials is the cylindrical body that high hole sheet material rolls into.In the columniform cell cube skeleton is arranged, skeleton is arranged in the sheet material layer crack, and cell cube has Chain Link Fence outward, and core body is arranged in the cell cube, core body by can be expanded, the nonmetallic material of foaming make, or are made by metal mesh material.The a plurality of separating anti-explosive material unit bodies that are filled in the gas holder interconnect each other.
Described skeleton is the cylindrical framework of open type, has the stiffening ring that interweaves, skeleton to be provided with rectangular framework or waveform skeleton in the middle of the framework.
The polygonal frame that pillar that described vertical shaft is made up of angle steel and the cross bar between the pillar constitute; Pillar radially vertically runs through in the tank body, and the pillar upper/lower terminal has the circular arc type end plate respectively, and upper head plate holds out against tank skin and corresponding with the people hole site, at the bottom of lower end sheet is located in jar on the decontamination tunnel support.The casing that is made of aperture plate is set in the vertical shaft, and the casing top is connected with the manhole cover inner face, fills separating anti-explosive material unit body in the casing, between casing and the vertical shaft block blast-proof materials is arranged.
The LPG drain apparatus is set in vertical shaft.The outer installment of drain apparatus is equipped with 1-2 layer damping net by the drain pipe guard shield that angle steel constitutes on the drain pipe guard shield, mesh be 20 orders/cun.The drain pipe guard shield is stuck on the fluid tube wall by the ozzle chuck, is provided with the LPG fluid mouth of pipe in the drain pipe guard shield.There is the fluid mouth at described fluid mouth of pipe place, and the fluid mouth is to be arranged with 4 liquid outlet openings on the outlet tube wall, and there is the block sealing on the drain pipe top, leaves certain space between the drain pipe guard shield and the fluid mouth of pipe.Drain pipe is connected with the liquid inlet pipe of filling machine, also is connected with filling pump on its pipe; The gas phase reflow pipe of filling machine is connected with gas phase reflow pipe on the storage tank.
Also be connected with three-way pipe on the drain pipe outside storage tank, three-way pipe one bypass is connected with one-way valve and high pressure centrifugal pump, and high pressure centrifugal pump leads to the pond through water pipe.
The vertical shaft arranged outside has the protective frame of liquid inlet pipe, and protective frame is connected with the vertical shaft pillar, and protective frame is located on the decontamination tunnel support.Be provided with the feed liquor device in the protective frame, there is the liquid inlet pipe guard shield outside of feed liquor device, and the liquid inlet pipe guard shield is the rectangle frame that is made of angle steel, is provided with the layer 2-4 damping net in the frame, and outer damping mesh is dredged, and the internal layer mesh is close, and the liquid inlet pipe guard shield is stuck on the liquid inlet pipe through chuck.Between protective frame and liquid inlet pipe guard shield, fill block blast-proof materials.The LPG feed liquor mouth of pipe is set in the liquid inlet pipe guard shield.There is liquid inlet port at described feed liquor mouth of pipe place, and liquid inlet port is to be arranged with 4 inlet openings on the feed liquor tube wall, and there is the block sealing on the liquid inlet pipe top, leaves certain space between the liquid inlet pipe guard shield and the feed liquor mouth of pipe.
Described manhole cover place is provided with unload gas phase reflow pipe and the gas phase reflow pipe and the gas-liquid equilibrium pipe that are connected with filling machine gas phase reflow pipe, and described gas phase reflow pipe entrance point is located at the gas-phase space place of storage tank LPG.
Described sledge body constitutes rectangular frame by channel-section steel, is provided with longitudinal and transverse stiffening rib in the middle of the framework, lays Checkered Steel Plate on the framework, and framework is by being bolted on the crashproof ground.The sledge body is provided with gutter channel, and the gutter channel bottom connects outlet pipe, and outlet pipe leads to cooling water tank or pond.
Described sun-proof heat insulation paulin is arranged on and intercepts explosion-proof gas holder top, sun-proof heat insulation paulin is made semiround body by steel plate, the semicircular bodies inwall is connected by supporting rib and intercepts on the explosion-proof gas holder outer wall, the lower edge of sun-proof heat insulation paulin and the explosion-proof gas holder protective housing welding of obstruct.The spraying cooling device is set below the sun-proof heat insulation paulin, and the atomization spray cap of spray equipment is arranged on and intercepts explosion-proof gas holder top, and atomization spray cap is connected with intake pipe and water pump.
The box typed structure that the explosion-proof gas holder protective housing of described obstruct surrounds for the multicell framework, framework is divided into upper and lower two-layer, in the multicell framework of each layer venetian blind is installed, and the venetian blind on upper strata is dredged greatly, lower floor's venetian blind is small and dense, and protective housing also is equipped with the electrically operated cabinet.
The explosion-proof gas holder of described obstruct bottom is provided with raffinate bag and Waste Valves.The raffinate bag is that hemisphere is fixed on the outer wall of gas holder, in the pipeline that the raffinate bag connects two cut-off valves is arranged, and the blowdown casing is set between the cut-off valve.
The invention has the advantages that:
1, this device is filled with separating anti-explosive material unit body in intercepting explosion-proof gas holder, can effectively prevent the accidental explosion accident that system of Himdu logic fire, static, welding, gunslinging, collision and faulty operation etc. cause, and realizes essential safety.
2, intercept the block blast-proof materials of loading in the explosion-proof gas holder, can effectively avoid " vapour explosion of boiling liquid expansibility " (BLEVE) accident generation of liquefied petroleum gas (LPG), guarantee to intercept explosion-proof gas holder safety.
3, be full of block blast-proof materials in the explosion-proof gas holder of obstruct, utilize the huge surface area of material and the thermal conductivity of material, help reducing the temperature rise of LPG in the gas holder, stop vaporization, energy saving.
4, the block blast-proof materials that intercepts in the explosion-proof gas holder can prevent cathodic corrosion as anode, effectively prevents the corrosion of tank skin and internals, prolongs the working life of storage tank, prevents storage tank LPG seepage or leakage simultaneously, avoids the pollution to underground water resources.
5, intercept installation vertical shaft and casing and decontamination tunnel etc. in the explosion-proof gas holder, can keep in repair and clean storage tank easily.
6, this aerator is arranged on ground, and floor space is only considered sledge body basal area, saves expenses such as soil and civil engineering greatly than buried gas station, and the time of building a station is short, and is quick, efficient.
7, this device is an overall structure, can conveniently lift and move, and is applicable to various air feed environment.
8, the specification of the explosion-proof gas holder structure of the obstruct of this device, size and filling machine, can design according to user's requirement, make, the external form of device can be carried out diversified style design according to user's demand and concrete place, help standardization and modular design, realize the Total tune with environment, become the scenery, another road of urban architecture.
Description of drawings
Fig. 1 is the structural representation of separating explosion of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is a gas phase reflux line topology view.
Fig. 4 is the drain pipe structural representation.
Fig. 5 is the separating anti-explosive material unit body structural drawing.
Fig. 6 and Fig. 7 are the separating anti-explosive material unit body skeleton structure diagram.
1 cut-off valve among the figure, 2 raffinate bags, 3 bearings, 4 pumps of unloading, 5 liquid inlet pipes, 6 decontamination tunnel, 7 drain pipes, 8 vertical shafts, 9 venetian blinds, 10 sledge bodies, 11 filling machines, 12 sun-proof heat insulation paulins, 13 protective housings, 14 safety valves, 15 exhaust stacks, 16 (16 ') gas phase reflow pipe, 17 pressure gauges, 18 intercept explosion-proof gas holder, 19 liquid level instrument, 20 separating anti-explosive material unit bodies, 21 drain pipe guard shields, 21 ' liquid inlet pipe guard shield, 22 damping nets, 23 supporting ribs, 24 atomization spray caps, 25 ozzle chucks, 26 casings, 27 advance (going out) liquid mouth, 28 three-way pipes;
200 block blast-proof materialss, 201 protective nets, 202 skeletons, 2021 rectangular framework, 2022 stiffening rings, 2031 waveform skeletons, 204 core bodys.
Embodiment
1-7 is illustrated the specific embodiment of separating explosion of the present invention in conjunction with the accompanying drawings:
Separating explosion of the present invention comprises the explosion-proof gas holder 18 of obstruct, filling machine 11, sledge body 10, protective housing 13 and sun-proof heat insulation paulin 12 and supplementary equipment.This separating explosion is whole skid-mounted, ground air feed equipment.Intercepting explosion-proof gas holder 18 and filling machine 11 is located on the sledge body 10.Described sledge body 10 constitutes rectangular frame by channel-section steel, and the centre is provided with longitudinal and transverse stiffening rib, lays Checkered Steel Plate on the framework, and framework is by being bolted on the crashproof ground.Also be provided with gutter channel on the sledge body 10, bottom land connects outlet pipe, and outlet pipe leads to cooling water tank or pond (accompanying drawing does not show).
Described filling machine 11 is arranged on the one or both sides that intercept explosion-proof gas holder 18, and is located on the table top of sledge body 10 rectangular frames extension.The sunshade that sun-proof heat insulation paulin 12 outwards extends is installed on filling machine 11 tops.Sunshade adopts semiround body or other pattern, and sunshade is a skeletal structure, is equipped with sunlight board above, and central authorities are equipped with flameproof lamp, are convenient to work at night, throw light on.A plurality of Lift hook (not shown) are set on sledge body 10 frameworks, are used for integral hoisting, resettlement, mobile very convenient.The folding rigidity of also installing in sledge body 10 bottoms that has is taken turns, and is convenient to drag and slides.
Described sun-proof heat insulation paulin 12 is made semiround body by steel plate, the semiround body inwall is connected on the tank skin that intercepts explosion-proof gas holder 18 by supporting rib 23, the lower edge of sun-proof heat insulation paulin 12 and explosion-proof gas holder protective housing 13 welding of obstruct, protective housing 13 is located on the sledge body 10, and the electrically operated cabinet is installed in protective housing 13 1 sides.The box typed structure that protective housing 13 surrounds for the multicell framework, be divided into upper and lower two-layer, in each layer framework venetian blind is housed, the upper strata venetian blind is dredged greatly, lower floor's venetian blind is small and dense, and the purpose that venetian blind is set is to strengthen the air ventilation in the protective housing 13, in case pump, pipeline or flange rubber cushion etc. leak air, avoid LPG gas to gather by air flows, remove a hidden danger.And near the pump in protective housing 13, gas pipeline the LPG gas leak detection apparatus is set.The sensor probe of gas leak detection apparatus flows to alarm equipment alarm with signal through conversion/amplification by wire connection controller, in time find, take emergency measures, rapidly action close gas holder into and out of the LPG pipeline, avoid polluting to atmosphere or groundwater resources.
When especially the LPG leakage occurring at the explosion-proof gas storage tank skin of obstruct with flange that intercepts explosion-proof gas holder connection and pipeline, it is of no avail depending merely on operation liquid inlet and outlet pipeline, will take leaking-stopping measure.
Before being installed, the leak stopping device leaks in a large number for fear of LPG, the method of at first implementing to carry out water filling in intercepting explosion-proof gas holder realizes, make the water surface cover the leak (simultaneously, the LPG that utilizes the pump of unloading will intercept in the explosion-proof gas holder carries out the tank switching operation) of the explosion-proof gas holder of obstruct.Like this, what intercept explosion-proof gas holder 18 internal leakages is water rather than inflammable, explosive LPG medium, thereby avoids LPG to intercepting explosion-proof gas holder surrounding enviroment pollution and bringing convenience to construction.Be about half of water because intercept LPG (liquid state) density that stores in the explosion-proof gas holder, be injected into the bottom that the water that intercepts in the explosion-proof gas holder is deposited on liquid LPG.Show that according to data when (20 ℃), the relative density of each component of liquefied petroleum gas (LPG) is 0.5-0.59KG/M at normal temperatures
3, near half of water.Intercepting at this device just and be provided with three-way pipe 28 on the explosion-proof gas holder drain pipe 7, a bypass of three-way pipe is connected with one-way valve and high pressure centrifugal pump; Open one-way cock, start high pressure centrifugal pump, the water in pond is led to by three-way pipe and drain pipe 7 intercept in the explosion-proof gas holder 18, guarantee leak stopping everything goes well with your work to carry out.
In sun-proof heat insulation paulin 12 bottoms the spraying cooling device is set.The atomization spray cap 24 of spray equipment is arranged on and intercepts explosion-proof gas holder top, and is connected with intake pipe and water pump.Because the LPG that intercepts in the explosion-proof gas holder becomes liquid the storage through after pressurizeing, cooling off, the LPG saturation vapour pressure is very responsive to temperature variation in the storage tank, can sharply increase with the rising of temperature, volumetric expansion after the vaporization is about 250～300 times of original volume, especially behind the expanded by heating, intercept explosion-proof gas holder internal pressure and rise rapidly with the temperature rising.According to surveying and determination, when being full of liquid LPG fully in intercepting explosion-proof gas holder container, the LPG temperature raises 1 ℃, the rapid rising 2-3Mpa of pressure meeting, if untimely taking measures, accident will meet accident.Particularly during the broiling summer, surface temperature often reaches more than 50 ℃, when temperature raises in jar, will start the spraying cooling device.Start water pump, cooling water is being intercepted on the explosion-proof gas storage tank skin 18 by atomization spray cap 24 sprays, to tank skin enforcement forced cooling.
Liquid inlet pipe 5, drain pipe 7 and gas phase reflow pipe 16 (16 ') are installed in the explosion-proof gas holder of described obstruct.Gas phase reflow pipe 16 is located on the manhole cover that intercepts explosion-proof gas holder 18, unloads the automobile-used gas phase reflow pipe 16 and the gas phase reflow pipe 16 of filling machine ' and gas-liquid equilibrium pipe on the manhole cover in addition, pressure gauge and thermometer etc.The entrance point of gas phase reflow pipe is located at and intercepts LPG gas-phase space place in the explosion-proof gas holder 18.Intercept explosion-proof gas holder 18 safety valve 14 and exhaust stack 15 also are set.When LPG is in the superpressure state, can discharge by safety valve 14 and exhaust stack 15 releasing pressure automaticallies.Intercept liquid level instrument 19 and high and low limit warning device also are set in the explosion-proof gas holder 18.The high liquid level warning device interlock control infusion pump of liquid level instrument 19 is avoided overfilling.Liquid level instrument 19 is provided with low liquid level alarm device, and energy is the interior feed liquor of index pot in time, the proper functioning of assurance device.Unload pump 4, filling pump and conveying " LPG " liquid pipe, valve and pressure gauge etc. also are set on sledge body 10.
Intercept explosion-proof gas holder 18 bottom liquid inlet pipes 5 and connect the pump 4 of unloading, the gas phase reflow pipe of LPG transportation tank car and the explosion-proof gas storage tank body gas phase reflow pipe 16 of obstruct ' be connected.The pump 4 of unloading is selected the sliding sheet volume pump for use, and main realization of effect unloaded, and secondly can carry out the tank switching operation, perhaps arranges residual returning and pretends industry etc., and discharge capacity is 10M
3/ h.The gas phase reflow pipe 16 of putting drain pipe 7 and tank body at the explosion-proof built in gas tank of obstruct is connected with the liquid inlet pipe and the gas phase reflow pipe of filling machine 11.Filling machine 11 adopts the rush-harvesting and rush-planting filling machine, and its floor space is little, and rush-harvesting and rush-planting can be standby each other, the utilization ratio height.
In the explosion-proof gas holder of obstruct 18 bottoms raffinate bag 2 is arranged.Raffinate bag 2 is a hemisphere, is fixed on the outer wall that intercepts explosion-proof gas holder 18, and raffinate bag 2 is connected with between 1, two cut-off valve 1 of two cut-off valves by pipeline the blowdown casing is set, and operation cut-off valve 1 can be drained into raffinate in the Waste Valves.
This device vitals is to intercept explosion-proof gas holder 18.In intercepting explosion-proof gas holder 18, load separating anti-explosive material unit body 20, and the vertical shaft 8 that matches, casing 26 and decontamination tunnel 6 etc.Intercept explosion-proof gas holder 18 and be the single wall jar, the volume of storage tank should meet the regulation of " automobile gas fueling station technical specification " CJJ84-2002: three grades of station gas holder (single jar) volume≤20M
3The total tank volume 21-40M of secondary station
3, single tank volume≤20-30M
3The total tank volume of first order station is 41-60M
3, single tank volume is 30M
3The explosion-proof gas holder 18 of obstruct of different size can be provided according to user's demand.The pressure-bearing design that intercepts explosion-proof gas holder is that the saturated vapour pressure during with 50 ℃ in propane designs for Maximum operating pressure.The important technological parameters that intercepts explosion-proof gas holder is: design pressure must not be less than 1.77Mpa, and the hydrostatic test is 2.2Mpa, and the pressure of tightness experiment is 1.8Mpa, and the material that tank body is selected for use is the 16MNR steel plate, and maximum allows to fill the LPG amount and is 85% of tank volume.
The separating anti-explosive material unit body 20 of filling in the explosion-proof gas holder 18 of described obstruct should meet the requirements such as filling density, the rate of leaving a blank and replacement rate of the block blast-proof materials of People's Republic of China's safety in production industry standard " AQ 3001-2005 " regulation.
Described separating anti-explosive material unit body 20 includes block blast-proof materials 200, skeleton 202, protective net 201, core body 204.The cylinder that block blast-proof materials 200 rolls for high hole sheet material also is provided with skeleton 202 in the cell cube 20, skeleton 202 is arranged in the layer crack of sheet material; 202 pairs of block blast-proof materialss 200 of skeleton play fixing and supporting effect, make material have enough intensity and elasticity.Protective net 201 also is set outside cell cube 20, mesh be 20 orders/cun, prevent that the chip that block blast-proof materials in use produces is lost in the tank body, guarantee cleaning, safety in the gas holder.Separating anti-explosive material unit body 20 also can comprise the core body of being made by nonmetallic material 204, or rolls the core body 204 that forms by metal mesh material.Nonmetal core body can by can be expanded, the nonmetallic material of foaming (as polyurethane etc.) make (seeing accompanying drawing 5 for details).The filling mode of the obstruct antibomb unit body 20 in the gas holder 18 is different designs requirement and the technical specifications according to gas holder, and a plurality of separating anti-explosive material unit bodies are stacked, and separating anti-explosive material unit body 20 is full of in the whole gas holder.A plurality of separating anti-explosive material unit bodies 20 interconnect each other; For little volume storage tank, can not connect between the adjacent cells body 20.
Described block blast-proof materials 200 be by open width metal alloy compositions (as the aluminium foil alloy) through the cutting stretcher (our company's patent equipment-patent No. is ZL 02 1 17070) forms the lattice-shaped semifinished material, again the both sides with the lattice-shaped semifinished material expand outwardly gradually, stretch formation high hole sheet material roll into the honeycombed cylindrical body.
Described skeleton 202 is the cylindrical framework of an open type, and intermediate portion interweaves with stiffening ring.Skeleton has 2,031 two kinds on rectangular framework 2021 and waveform skeleton.Skeleton 202 adopts elastic materials, selects the stainless steel strip of Φ 3-5 millimeter etc. for use, also can adopt other metallic material, nonmetallic material, composite material or by one of material that metal-nonmetal paint-on technique obtains or its combination.The stainless steel strip of Φ 3-5 millimeter is processed into rectangle and makes the cylindrical body framework of an opening, intermediate portion interweaves with stiffening ring 2022; Waveform skeleton 2031 selects for use the stainless steel strip of Φ 3-5 millimeter to turn to waveform, and intermediate portion is with stiffening ring 2022 interweave (seeing accompanying drawing 6,7 for details).
The explosion-proof mechanism that intercepts explosion-proof technology is: according to heat transfer theory, the burning of medium and blast possess certain primary condition.The high hole mesh material of filling in the reservoir container can stop the bamboo telegraph of flame and the abrupt release of energy, utilize the skin effect of metallic material simultaneously, destroy the energy concentration of combustion medium and form the condition of exploding, stop the generation of burning and blast, realize essential safety.This device is the block blast-proof materials 200 of 18 fillings in intercepting explosion-proof gas holder just, utilize the obstruct of material, explosion-resistance characteristic, and huge surface area that material had and excellent heat conductivity performance, intercept heat energy that explosion-proof gas holder counter-fire the faces the wall and meditates block blast-proof materials 200 in passing to rapidly jar by tank skin, heat is with the huge surface area fast Absorption of metallic material and disperse, conduct to periphery material simultaneously, tank wall temperature is descended rapidly, destroyed the condition that " BLEVE " forms, " dried wall " temperature is reduced rapidly, avoid " BLEVE " accident to take place, guarantee the safety of storage tank.Here be noted that because a jar interior temperature raises quickened the LPG gasification, when the jar internal pressure went beyond the limit of, the valve of protective measure such as safety valve 14 and exhaust stack 15 was opened decompression automatically in jar, guarantees to intercept the safety of explosion-proof gas holder.
Owing to loaded separating anti-explosive material unit body in the explosion-proof gas holder of obstruct of this device, can effectively prevent the explosive accident that contingency causes, realize essential safety.This LPG gas holder utilizes the heat-conducting property of block blast-proof materials, realizes LPG local cooling; Especially in carrying out the canned process of LPG, in jar liquid phase-gaseous pressure imbalance appears, the liquid gasification rapidly of LPG in jar; Because the blocking effect of the block blast-proof materials in jar reduces the latent heat of vaporization, the gasification of slowing down liquid LPG is pressed energy saving thereby reduce in the gas storage.Block blast-proof materials can be used as anodize in storage tank, prevent the corrosion of tank skin and internals effectively, prolongs the working life of storage tank, prevents storage tank LPG seepage or leakage, avoids the pollution to underground water resources.
The polygonal frame that pillar that described vertical shaft 8 is made up of angle steel and the cross bar between the pillar constitute.Pillar radially vertically runs through in the tank body, and the pillar upper/lower terminal has the circular arc type end plate respectively, and upper head plate holds out against tank skin and corresponding with the people hole site, at the bottom of lower end sheet is located in jar on the decontamination tunnel 6.The casing 26 that is made of aperture plate is set in the vertical shaft, and casing 26 tops are connected with the manhole cover inner face, are filled with block blast-proof materials 200 between vertical shaft 8 and the casing 26, fill separating anti-explosive material unit body 20 in the casing 26.Its separating anti-explosive material unit body links into an integrated entity with casing 26 respectively.Like this, the casing 26 in the vertical shaft can together hang out outside the jar in company with intercepting antibomb unit body 20, is convenient to maintenance and cleaning to gas holder.
The LPG drain apparatus is set in vertical shaft 8.The drain pipe guard shield 21 that the outside of drain apparatus is made of metallic material, the drain pipe guard shield be shaped as rectangle, also other shape.1-2 layer damping net 22 is housed on the drain pipe guard shield 21, mesh be 20 orders/cun.The purpose that damping net is set is, when carrying out the conveying of LPG liquid state, prevents to adsorb outlet spout neighbouring block blast-proof materials and foreign material, in order to avoid cause the obstruction of liquid transport pipeline.Be provided with drain pipe 7 in the drain apparatus, drain pipe 7 ports have fluid mouth 27, and fluid mouth 27 is uniform 4 holes or 6 holes of being provided with on tube wall, drain pipe top tegmentum cap closure.Drain pipe guard shield 21 bottoms are stuck on the drain pipe 7 through chuck 25, leave certain space between drain pipe guard shield 21 and the drain pipe 7, and purpose is to remain the existence that there is the LPG medium in this space, does not stop.
Be connected with three-way pipe 28 on drain pipe 7, a bypass of three-way pipe 28 is connected with one-way valve and high pressure centrifugal pump, and high pressure centrifugal pump leads to the pond through water pipe.
In obstruct explosion-proof tank 18 bottoms decontamination tunnel 6 and Waste Valves are set.Decontamination tunnel 6 also can be semicircle framework by the trapezoidal framework that a plurality of angle steel surround.On trapezoidal framework, lay zinc-plated aperture plate.Trapezoidal framework is connected as a whole by bolt and is laid on the tank skin bottom, and can be connected with jar inwall stiffening rib, and holds out against with gas holder two ends end socket.The LPG raffinate impurity that decontamination tunnel 6 is used to collect, it communicates with tank body raffinate bag 2.
In vertical shaft 8 arranged outside the protective frame of liquid inlet pipe 5 is arranged, protective frame is connected with vertical shaft 8 pillars, and the bottom of protective frame is connected on decontamination tunnel 6 supports.Be provided with the feed liquor device in the protective frame, there is liquid inlet pipe guard shield 21 ' (accompanying drawing does not show) outside of feed liquor device, and the LPG feed liquor mouth of pipe is set in the liquid inlet pipe guard shield 21 '.Liquid inlet pipe guard shield 21 ' constitutes the cuboid frame by angle steel, is provided with layer 2-4 damping net 22 in the frame, and outer damping mesh is dredged, and the internal layer mesh is close, and liquid inlet pipe guard shield 21 ' is stuck on the liquid inlet pipe 5 through chuck 25.Between protective frame and liquid inlet pipe guard shield, fill block blast-proof materials 200.Described feed liquor mouth of pipe place is provided with liquid inlet port 27, liquid inlet port 27 is 4 inlet openings that are symmetrically distributed on tube wall, there is the block sealing on the top of liquid inlet pipe, leave certain space between liquid inlet pipe guard shield 21 ' and liquid inlet pipe 5 ports, purpose is to gas holder delivering liquid LPG the time, can significantly reduce impact, avoid the material mesh to destroy block blast-proof materials 200.Liquid inlet pipe 5 is connected with the indusion tube of LPG transportation tank car.The gas phase reflow pipe of LPG transportation tank car be connected with the gas phase reflow pipe that intercepts explosion-proof gas holder respectively (LPG transportation tank car generally all unload pump).
The outer wall surface of the explosion-proof gas holder 18 of described obstruct has protective coating.The outer wall surface of sun-proof heat insulation paulin 12 has fire protection layer and anticorrosive coat.Anticorrosive coat adopts the spy to add the mould bituminous material of intensity level epoxy, and the fire protection layer on anticorrosive coat surface adopts the fireproof paint spraying to form.
Claims (9)
1. a separating explosion comprises intercepting explosion-proof gas holder, filling machine, sledge body, the explosion-proof gas holder protective housing of obstruct and sun-proof heat insulation paulin; On the explosion-proof gas holder of obstruct, liquid inlet pipe is set, drain pipe and gas phase reflow pipe, tank body is provided with safety valve and exhaust stack, is provided with liquid level instrument and high and low limit warning device thereof in tank body; On the sledge body that intercepts explosion-proof gas storage tank body bottom, filling pump is set, the pump of unloading, " LPG " liquid pipe, " LPG " gas phase pipeline, valve and pressure gauge,
It is characterized in that:
Intercepting explosion-proof gas holder and filling machine is located on the sledge body, filling machine is positioned at the one or both sides that intercept explosion-proof gas holder, and be arranged on the table top of sledge body framework extension, sun-proof heat insulation paulin is arranged at the top that intercepts explosion-proof gas holder, the sunshade that the top of filling machine has sun-proof heat insulation paulin outwards to extend; The explosion-proof gas holder of described obstruct is the single wall jar, and the bottom saddle bracket is welded on the sledge body, loads separating anti-explosive material unit body, vertical shaft, casing and decontamination tunnel in intercepting explosion-proof gas holder;
Described separating anti-explosive material unit body includes block blast-proof materials, skeleton, protective net and core body; Described block blast-proof materials is the cylindrical body that high hole sheet material rolls into, and the skeleton in the cell cube is arranged in the layer crack of sheet material, and cell cube has Chain Link Fence outward, and core body is arranged in the cell cube; Being filled in a plurality of separating anti-explosive material unit bodies that intercept in the explosion-proof gas holder interconnects each other.
2. separating explosion according to claim 1 is characterized in that the cylindrical framework that an opening arranged of described skeleton for being made by rectangle rack or waveform frame, and the framework intermediate portion has the stiffening ring that interweaves.
3. separating explosion according to claim 1 is characterized in that pillar that described vertical shaft is made up of angle steel and the polygonal frame that is made of the cross bar between the pillar; Pillar radially vertically is applied in the tank body, the pillar upper/lower terminal has the circular arc end plate, the circular arc end plate of upper end holds out against tank skin and corresponding with the people hole site, at the bottom of the circular arc end plate of lower end is located in jar on the decontamination tunnel support, the casing that is made of aperture plate is set in the vertical shaft, the casing top is connected with the manhole cover inner face, fills separating anti-explosive material unit body in the casing.
4. separating explosion according to claim 3, it is characterized in that in described vertical shaft, being provided with " LPG " drain apparatus, the drain pipe guard shield that the drain apparatus outer installment is made of angle steel, 1-2 layer damping net is set on the drain pipe guard shield, mesh be 20 orders/cun, the drain pipe guard shield is stuck on the drain pipe by chuck, leave the space between drain pipe guard shield and the drain pipe, drain pipe is connected with the liquid inlet pipe of filling machine, the gas phase reflow pipe of filling machine is connected with gas phase reflow pipe on the gas holder, connects filling pump on drain pipe;
Be connected with the protective frame of liquid inlet pipe in the described vertical shaft outside, protective frame is located on the decontamination tunnel support, be provided with the liquid inlet pipe guard shield in the protective frame, the liquid inlet pipe guard shield is the rectangle frame that is made of angle steel, be provided with the layer 2-4 damping net in the framework, outer damping mesh is dredged, internal layer damping mesh is close, the liquid inlet pipe guard shield is stuck on the liquid inlet pipe by chuck, fills block blast-proof materials between protective frame and liquid inlet pipe guard shield, and " LPG " feed liquor mouth of pipe is set in the liquid inlet pipe guard shield, described feed liquor mouth of pipe place is provided with liquid inlet port, liquid inlet port is 4 inlet openings that are arranged with on tube wall, and there is the block sealing on the drain pipe top, leaves certain space between the liquid inlet pipe guard shield and the feed liquor mouth of pipe.
5. separating explosion according to claim 1, it is characterized in that described sledge body is the rectangular frame that is made of channel-section steel, be provided with longitudinal and transverse stiffening rib in the middle of the framework, lay Checkered Steel Plate on the framework, framework is by being bolted on the crashproof ground, the sledge body is provided with gutter channel, and the gutter channel bottom connects outlet pipe, and outlet pipe leads to cooling water tank or pond.
6. separating explosion according to claim 1, it is characterized in that described sun-proof heat insulation paulin is arranged on the top that intercepts explosion-proof gas holder, sun-proof heat insulation paulin is the semiround body of being made by steel plate, the semiround body inwall is connected by supporting rib and intercepts on the explosion-proof gas holder outer wall, the explosion-proof gas holder protective housing welding of the lower edge of sun-proof heat insulation paulin and described obstruct, in the sun-proof heat insulation paulin spraying cooling device is set, the atomization spray cap of spraying cooling device is arranged on the top that intercepts explosion-proof gas holder, and atomization spray cap connects intake pipe and water pump.
7. according to claim 1 or 6 described separating explosions, it is characterized in that the box typed structure that described protective housing surrounds for the multicell framework, framework is divided into two-layer up and down, venetian blind is installed in each layer multicell framework, the upper strata venetian blind is dredged greatly, lower floor's venetian blind is small and dense, and protective housing also is equipped with the electrically operated cabinet.
8. separating explosion according to claim 1, the bottom position that it is characterized in that the explosion-proof gas holder of described obstruct has raffinate bag and Waste Valves, the raffinate bag is that hemisphere is fixed on the outer wall of gas holder, in the pipeline that the raffinate bag connects two cut-off valves are arranged, the blowdown casing is set between the cut-off valve.
9. according to claim 1 or 4 described separating explosions, it is characterized in that described drain pipe connects three-way pipe, three-way pipe one bypass connects one-way cock and high pressure centrifugal pump, and centrifugal pump leads to the pond by water pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101270182A CN101298901B (en) | 2008-06-18 | 2008-06-18 | Separating explosion-proof skid-mounted type vehicle gasification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101270182A CN101298901B (en) | 2008-06-18 | 2008-06-18 | Separating explosion-proof skid-mounted type vehicle gasification device |
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| CN101298901A CN101298901A (en) | 2008-11-05 |
| CN101298901B true CN101298901B (en) | 2010-09-08 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102041907A (en) * | 2009-10-26 | 2011-05-04 | 马苏德·法阿达尼·沙阿苏吉 | Construction method of gasoline station |
| CN102545300A (en) * | 2011-05-30 | 2012-07-04 | 上海华篷防爆科技有限公司 | Sledging-installing type multifunctional energy charging station |
| CN103130169A (en) * | 2011-11-23 | 2013-06-05 | 北京中油深蓝技术发展有限公司 | Liquid-collection pollution-discharge device of oiling sledge |
| CN102616721B (en) * | 2012-01-19 | 2014-12-17 | 上海华篷防爆科技有限公司 | Container skid-mounted refueling and/or gas filling device |
| CA2853324C (en) * | 2014-06-03 | 2016-02-23 | Westport Power Inc. | Cryogenic storage vessel |
| CN104495116A (en) * | 2014-12-22 | 2015-04-08 | 山东万普海容石油设备科技发展有限公司 | Buried bearing storage tank |
| JP6766745B2 (en) * | 2017-05-11 | 2020-10-14 | トヨタ自動車株式会社 | vehicle |
| CN110748730B (en) * | 2019-10-29 | 2021-06-25 | 上海蓝魂环保科技有限公司 | Ship LNG supply bin safety pipeline interface device |
| CN114321699A (en) * | 2021-12-31 | 2022-04-12 | 张季 | Low-temperature ultra-large liquefied natural gas storage tank |
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2008
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