CN104913183A - Air bag-type air cabinet - Google Patents
Air bag-type air cabinet Download PDFInfo
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- CN104913183A CN104913183A CN201510369167.XA CN201510369167A CN104913183A CN 104913183 A CN104913183 A CN 104913183A CN 201510369167 A CN201510369167 A CN 201510369167A CN 104913183 A CN104913183 A CN 104913183A
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Abstract
The invention discloses an air bag-type air cabinet, pertaining to the technical field of air storage vessels. The air bag-type air cabinet comprises an air cabinet housing, in which an air bag is arranged. The edge of the air bag is sealed to be fixed on to the inner side wall of the air cabinet housing. The internal space of the air cabinet housing is divided to be air space at the upper portion and air storage space at the lower portion. The top of the air bag is provided with a metal top cover. Air vents are formed in the air cabinet housing on the side of the air space. An air inlet and an air outlet are formed in the side wall of the side of the air storage space. The air bag-type air cabinet has following beneficial effects: the air bag-type air cabinet has a simple structure and few additional equipment and is easily installed and helps to save steel products; maintenance is conveniently performed; a door can be directly installed in a cabinet wall so that a maintenance man can conveniently go in and out of the interior; an external elevator and an internal suspension cage are saved; the steel structure of the air bag is capable of self-centering so that a guide device is unnecessary; a rubber air bag is utilized for containing air; static sealing is achieved by bolts and a pressing plate without coordination of movement; and the air bag-type air cabinet is broadly applied and helps to save resources and maintenance cost.
Description
Technical field
The present invention relates to a kind of gas storage container, be specifically related to a kind of air sac type gas holder, be applicable to metallurgy, town gas, petrochemical industry and agricultural production industry.
Background technique
At present, existing gas holder technology is divided into wet gasholder and dry gasholder two profiles formula.Wet gasholder profit uses water as sealing, comparatively large in summer in the winter temperature difference, should not adopt under being easy to icing environmental conditions; Dry gasholder mainly with graceful formula gas holder and Wiggins gas holder for representative.Graceful formula gas holder adopts annular seal technology, and utilize thin oil to seal, comprise a set of oil supply system, dynamic equipment wherein needs periodic maintenance, and the long-term and medium contact of thin oil, causes viscosity and flash-point to decline, the life-span of shortening sealing oil, and pollute the environment simultaneously.Wiggins gas holder adopts rubber curtain to seal, and accessory is less, and technology is more advanced, obtains larger application.But because piston holder is more, processed complex, the maintenance time limit is short, workload large, invests high.At present, approve in industry with obtain of Wiggins gas holder morely, but its complex structure, invest its application on wider of high disadvantages affect.
Summary of the invention
The present invention is directed to the proposition of above problem, and a kind of air sac type gas holder of research and design.The technological means that the present invention adopts is as follows:
A kind of air sac type gas holder, comprise gas holder housing, air bag is provided with in described gas holder housing, the edge seal of described air bag is fixed on the madial wall of gas holder housing, the inner space of gas holder housing is divided into the air space on top and the gas storage space of bottom, described air bag top is provided with casting coping, and the gas holder housing of described air space side is provided with ventilating hole, and the sidewall of described gas storage space side is provided with gas inlet and gas outlet.
Further, the sidewall of described gas holder housing is cylindrical, the circumference of described gas holder case inside wall is provided with annular and walks on stage, described air bag comprises taper cone barrel air bag and spherical cap air bag, the edge seal of the bigger diameter end of described taper cone barrel air bag is fixed on the bottom that described annular is walked on stage, and the edge of the miner diameter end of described taper cone barrel air bag and the edge of spherical cap air bag are all fixed with the edge seal of casting coping.
Further, also comprise at least three cover balance sysmtes, for controlling balance during casting coping lifting, described balance sysmte comprises balancing weight, balancing weight slide rail, static pulley and hawser, described balancing weight slide rail is arranged on the outer wall of gas holder housing, setting direction is the gravitational direction of balancing weight, described balancing weight coordinates with balancing weight slide rail, can slide in balancing weight slide rail, described hawser pile warp is arranged at the static pulley of gas holder case top, hawser one end is connected with balancing weight, and the other end is fixed on casting coping.
Further, the walk on stage madial wall of gas holder housing of below of annular is provided with safety relief device, described safety relief device comprises inner core and is sheathed on the urceolus of outside, inner core lower end, sealing fluid is provided with in described urceolus, under the lower ending opening of described inner core is positioned at the liquid level of sealing fluid, the inner space of described inner core is communicated with air, and the inner space of described urceolus is communicated with gas storage space.
Further, the port that described inner core is communicated with air is provided with flame trap.
Further, be provided with concentration detector in described air space, described concentration detector is the gas concentration detecting sensor matched with storage medium, and described concentration detector is connected with control system, for detecting the leakage of storage medium.
Further, also comprise nitrogen replacing system, described nitrogen replacing system comprises the displacement import and displacement outlet that are arranged on gas storage space.
Further, the top of described gas holder housing is provided with radar level gauge, and described radar level gauge can monitor the distance of himself and casting coping.
Further, described gas holder housing is also provided with manhole, sewage draining exit, sample tap, fire-fighting spraying pipe network and for the pressure transmitter of internal monitoring and temperature transmitter, the top of gas holder housing is also provided with safe fence and nonslip tread.
Further, the material of described casting coping is steel, and described air bag is made up of adhesive plaster, and described adhesive plaster comprises by the thread skeleton of stretchy nylon and the polymeric coating layer be coated on skeleton, and described polymeric coating layer is selected according to storage medium, preferred nitrile butadiene rubber.
Compared with the prior art, a kind of air sac type gas holder of the present invention has the following advantages:
A. structure is simple, and accessory is few, easily installs, and saves steel.
Direct use rubber pneumatic bag filling gas, eliminate the structures such as the T baffle plate of Wiggins gas holder, T baffle plate stand, piston, piston baffle, steel use amount is few, and cost is low; Workpiece is few, and installation precision is low.
B. overhaul conveniently.
Directly can open the door on cabinet wall, manipulator maintenance man can easily come in and go out inside, saves external lifts and inner cage.
C. automatic centering.
Air bag steel structure top can automatic centering, saves guiding device; 3 cover balance sysmtes of gas holder outside are by balancing weight and sheave block simultaneously, automatically can regulate air bag steel structure top, avoid.
D. sealing is easy to.
Direct employing rubber pneumatic bag filling gas, seals and is realized by bolt and pressing plate, belong to static seal, coordinate without the need to motion.Even if the machining accuracy of gas holder shell occurs that relatively large deviation does not affect normal operation and sealing yet, require low to installation precision, convenient construction.
E. applied range.
All petrochemical industry organic gas can be tolerated almost according to the different choice of rubber pneumatic bag on cladding material, can extensive use and various vent gas treatment and middle gas buffer memory.
F. saving resource and maintenance cost.
First few from the use of steel, from heavy and light, the producer on gas holder and basis more saves material.In addition due to direct air bag filling gas, similar balloon ties mouth and would not leak, so can cancel the water of sealing, the consumption of wet goods resource, avoids the emission treatment of sewage and sump oil simultaneously.Not dynamic equipment, avoids various power consumption, eliminates the maintenance of dynamic equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of air sac type gas holder embodiment of the present invention.
Fig. 2 is the casting coping schematic diagram described in the embodiment of the present invention.
Fig. 3 is the connection diagram bottom the taper cone barrel air bag described in the embodiment of the present invention is walked on stage with annular.
Fig. 4 is air bag described in the embodiment of the present invention and casting coping integrated connection schematic diagram.
Fig. 5 is that the balance sysmte wirerope described in the embodiment of the present invention connects schematic diagram.
Fig. 6 is the safety relief device structural representation described in the embodiment of the present invention.
Fig. 7 is the embodiment of the present invention 0% degree of filling view.
Fig. 8 is the embodiment of the present invention 25% degree of filling view.
Fig. 9 is the embodiment of the present invention 50% degree of filling view.
Figure 10 is the embodiment of the present invention 75% degree of filling view.
Figure 11 is the embodiment of the present invention 100% degree of filling view.
Embodiment
As Figure 1-Figure 4, a kind of air sac type gas holder, comprise gas holder housing 1, air bag 2 is provided with in described gas holder housing 1, the edge seal of described air bag 2 is fixed on the madial wall of gas holder housing 1, the inner space of gas holder housing 1 is divided into the air space 11 on top and the gas storage space 12 of bottom, and described air bag 2 top is provided with casting coping 21, the gas holder housing 1 of described air space 11 side is provided with ventilating hole 13, and the sidewall of described gas storage space 12 side is provided with gas inlet and gas outlet.State gas holder housing 1 for cylindrical, the circumference of described gas holder housing 1 madial wall is provided with annular and walks on stage 14, annular is walked on stage and 14 is arranged on the intermediate altitude of gas holder inside, its position is at air space 11, be gas storage space 12 just now under it, operation and attendant can by the annular of gas holder housing sidewall walk on stage entrance 15 directly enter this walk on stage on carry out inspection and maintenance.Described air bag 2 comprises taper cone barrel air bag 22 and spherical cap air bag 23, the edge seal of the bigger diameter end of described taper cone barrel air bag 22 be fixed on described annular walk on stage 14 bottom, the edge of the miner diameter end of described taper cone barrel air bag 22 and the edge of spherical cap air bag 23 are all fixed with the edge seal of casting coping 21, are all fixed on the angle steel place, edge of casting coping 21.The present embodiment uses air bag gas storage, and air bag 2 ensures to seal by bolt pretightening with the joint of gas holder housing 1, belongs to static sealing.Structurally there is no the complex parts such as the piston of WIGGINS Bradley gas holder, piston baffle, T baffle plate, T barrier support, only adopt taper cone barrel air bag 22 and spherical cap air bag 23, be fixed on below annular walks on stage with bolt and pressing plate, air bag 2 and gas holder lower half portion form a closed gas storage space.Gas holder housing 1 is the circular vault tank structure of normal pressure, and on upper half part side of gas holder shell 1 body (annular walk on stage upper section), be evenly equipped with 12 ventilating holes 13, ventilating hole 13 can evacuate the air pressure because air bag 2 lifting action produces.The end face of gas holder housing 1 is arch network-like structure, and uniform six ventilating holes 13 of periphery, central authorities arrange a radar level gauge 3.Described gas holder housing is also provided with manhole, sewage draining exit, sample tap, fire-fighting spraying pipe network and for the pressure transmitter of internal monitoring and temperature transmitter, the top of gas holder housing is also provided with safe fence and nonslip tread.
The core component of air sac type gas holder is taper cone barrel air bag 22 and spherical cap air bag 23, be fixed on the steel structure of gas holder by bolt and the fastening mode of pressing plate, air bag 2 is a kind of large-scale spread goodses, its stressed skeleton adopts high strength, high elasticity nylon thread is worked out, skin selects different macromolecular materials to apply from the face of medium contact according to medium character, various rubber can be selected, preferred nitrile butadiene rubber, the corrosion of multiple organic gas and acid and alkali corrosion can be tolerated, tolerate folding distortion and not easily aging simultaneously, flawless produces, integral thickness only has 8mm, because mechanical property is good, from heavy and light, large volume air bag can be made use.After air bag 2 installs, forming an enclosed space by lower half portion of air bag 2 and gas holder housing 1 and carry out the gas that splendid attire will store, is open air space 11 between upper half part of air bag 2 and gas holder housing 1, upon inflation, the pressure increase that casting coping 21 is inflated along with air bag 2, air bag 2 expands, and during exhaust, air bag 2 shrinks, casting coping 21 lands, in air bag 2 lifting process, air bag 2 internal pressure is constant all the time, and does not contact all the time between air bag 2 with gas holder housing 1.
The spherical cap structure that described casting coping 21 is steel-pipe welding, is used for protecting and limits air bag 2 distortion upwards, playing the effect of " piston " cover plate in the work of gas holder.The structure of spherical cap shape can increase the rigidity of self, and makes air bag be suitable for bearing air pressure inside.Be exactly utilize the deadweight of casting coping 21 to produce pressure in gas holder work, store and release gas.There are one block of octagon steel plate in casting coping 21 central authorities, reflecting action is played to the signal of the radar level gauge 3 at gas holder top, radar level gauge 3 transmits, reflected signal is accepted after Octagon steel plate reflection through casting coping 21 center, calculate the distance between radar level gauge 3 and casting coping, thus calculate the volume of internal reservoir gas.
The present embodiment also comprises at least three cover balance sysmtes 4, for controlling balance when casting coping 21 is elevated, described balance sysmte 4 comprises balancing weight 41, balancing weight slide rail 42, static pulley 43 and hawser 44, described balancing weight slide rail 42 is arranged on the outer wall of gas holder housing 1, setting direction is the gravitational direction of balancing weight 41, described balancing weight 41 coordinates with balancing weight slide rail 42, can slide in balancing weight slide rail 42, described hawser 44 pile warp is arranged at the static pulley 43 of gas holder case top, hawser 44 one end is connected with balancing weight 41, and the other end is fixed on casting coping 21.The present embodiment is provided with three covers and is distributed on balance sysmte 4 on gas holder housing, each balancing weight 41 to be connected to two points on casting coping 21 respectively by three groups of static pulley 43 with two wireropes, three cover balance sysmtes 4 connect six points altogether, the weight of balance air bag 2 and casting coping 21 equably, when air bag 2 tilts to any direction, the wirerope of tension side all can apply additional tensions, makes inclination automatic calibration.As shown in Figure 5, at the uniform three place's static pulley 43 of the top of gas holder housing 1, often place is provided with four static pulley, coordinate with two hawsers 44 of same balancing weight 41 respectively, all the other pulleys are arranged on six uniform ventilating hole 13 places of top, and two hawsers 44 of same balancing weight 41, respectively by distance two ventilating holes 13 farthest, form isosceles triangle, with the direction of balanced casting coping 21, from Fig. 7 to Figure 11, also show the mated condition of hawser 44 and static pulley in balance sysmte 4.
As shown in Figure 6, the madial wall of the gas holder housing 1 that annular is walked on stage below 14 is provided with safety relief device 5, described safety relief device 5 comprises inner core 51 and is sheathed on the urceolus 52 of outside, inner core 51 lower end, sealing fluid 53 is provided with in described urceolus 52, under the lower ending opening of described inner core 51 is positioned at the liquid level of sealing fluid 53, the inner space of described inner core 51 is communicated with air, and the inner space of described urceolus 52 is communicated with gas storage space 12, is not communicated with air.Safety relief device 5 utilizes the safety of fluid-tight principle to gas holder to protect; inner core 51 bears ambient atmosphere pressure; urceolus 52 bears gas holder internal pressure; between the two, pressure reduction is realized by the height difference of liquid level between inner core 51 and urceolus 52, when superpressure, performs action of releasing; during vacuum; perform and suck air balance pressure-operated, and by the adjustment of liquid level height, default high pressure and vacuum relief force value can also be regulated.The port that described inner core 51 is communicated with air is provided with flame trap, avoids flame to enter gas holder inside cause security incident when gas holder inside is communicated with air.Can also arrange visor 54 on urceolus 52, to observe the situations such as inside liquid level, bottom is provided with liquid port 55, can discharge sealing fluid 53 whenever necessary, safety relief device 5 also arranges filling opening or liquid-feeding tube as required.
Be provided with concentration detector 6 in described air space, described concentration detector 6 is the gas concentration detecting sensor matched with storage medium, and described concentration detector 6 is connected with control system, for detecting the leakage of storage medium.The concentration detector 6 of the present embodiment is along uniform three of gas holder circumference, when storing inflammable and explosive or poisonous and harmful medium, as detected, trace is revealed, and namely cuts off pipe network by control system interlock alarm, and then performs emptying or discharge torch and then overhaul.
The present embodiment also comprises nitrogen replacing system, described nitrogen replacing system comprises the displacement import and displacement outlet that are arranged on gas storage space, displacement outlet can be incorporated to flare system, when needs manually enter gas storage space inspection and maintenance, for preventing possible poisonous and harmful and the harm of flammable explosive gas, first nitrogen displacement should be carried out, only after sample analysis reaches safety condition, just can open gas holder manhole, maintainer is allowed for access gas storage space.
As shown in Fig. 7-Figure 11, naturally hang down without air bag during gas and drop on bottom gas holder, inflation rear gasbag expand, maximum can close to gas holder top.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. an air sac type gas holder, comprise gas holder housing, it is characterized in that: in described gas holder housing, be provided with air bag, the edge seal of described air bag is fixed on the madial wall of gas holder housing, the inner space of gas holder housing is divided into the air space on top and the gas storage space of bottom, described air bag top is provided with casting coping, and the gas holder housing of described air space side is provided with ventilating hole, and the sidewall of described gas storage space side is provided with gas inlet and gas outlet.
2. air sac type gas holder according to claim 1, it is characterized in that: the sidewall of described gas holder housing is cylindrical, the circumference of described gas holder case inside wall is provided with annular and walks on stage, described air bag comprises taper cone barrel air bag and spherical cap air bag, the edge seal of the bigger diameter end of described taper cone barrel air bag is fixed on the bottom that described annular is walked on stage, and the edge of the miner diameter end of described taper cone barrel air bag and the edge of spherical cap air bag are all fixed with the edge seal of casting coping.
3. air sac type gas holder according to claim 2, it is characterized in that: also comprise at least three cover balance sysmtes, for controlling balance during casting coping lifting, described balance sysmte comprises balancing weight, balancing weight slide rail, static pulley and hawser, described balancing weight slide rail is arranged on the outer wall of gas holder housing, setting direction is the gravitational direction of balancing weight, described balancing weight coordinates with balancing weight slide rail, can slide in balancing weight slide rail, described hawser pile warp is arranged at the static pulley of gas holder case top, hawser one end is connected with balancing weight, the other end is fixed on casting coping.
4. air sac type gas holder according to claim 3, it is characterized in that: the walk on stage madial wall of gas holder housing of below of annular is provided with safety relief device, described safety relief device comprises inner core and is sheathed on the urceolus of outside, inner core lower end, sealing fluid is provided with in described urceolus, under the lower ending opening of described inner core is positioned at the liquid level of sealing fluid, the inner space of described inner core is communicated with air, and the inner space of described urceolus is communicated with gas storage space.
5. air sac type gas holder according to claim 4, is characterized in that: the port that described inner core is communicated with air is provided with flame trap.
6. air sac type gas holder according to claim 5, it is characterized in that: in described air space, be provided with concentration detector, described concentration detector is the gas concentration detecting sensor matched with storage medium, and described concentration detector is connected with control system, for detecting the leakage of storage medium.
7. air sac type gas holder according to claim 6, is characterized in that: also comprise nitrogen replacing system, and described nitrogen replacing system comprises the displacement import and displacement outlet that are arranged on gas storage space.
8. air sac type gas holder according to claim 7, is characterized in that: the top of described gas holder housing is provided with radar level gauge, and described radar level gauge can monitor the distance of himself and casting coping.
9. air sac type gas holder according to claim 7, it is characterized in that: described gas holder housing is also provided with manhole, sewage draining exit, sample tap, fire-fighting spraying pipe network and for the pressure transmitter of internal monitoring and temperature transmitter, the top of gas holder housing is also provided with safe fence and nonslip tread.
10. according to the air sac type gas holder in claim 1 to claim 9 described in any one, it is characterized in that: the material of described casting coping is steel, described air bag is made up of adhesive plaster, and described adhesive plaster comprises by the thread skeleton of stretchy nylon and the polymeric coating layer be coated on skeleton.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510369167.XA CN104913183B (en) | 2015-06-29 | 2015-06-29 | Gasbag-type gas holder |
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| CN201510369167.XA CN104913183B (en) | 2015-06-29 | 2015-06-29 | Gasbag-type gas holder |
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| CN104913183A true CN104913183A (en) | 2015-09-16 |
| CN104913183B CN104913183B (en) | 2017-03-08 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402593A (en) * | 2015-10-22 | 2016-03-16 | 中冶南方工程技术有限公司 | Gas cabinet |
| CN106085534A (en) * | 2016-08-14 | 2016-11-09 | 安徽盛运环保（集团）股份有限公司 | A kind of biomass marsh gas processing system |
| CN106322098A (en) * | 2016-08-26 | 2017-01-11 | 上海林海生态技术股份有限公司 | Large-capacity methane storage cabinet and internal methane storage amount measuring method thereof |
| CN106764392A (en) * | 2016-12-22 | 2017-05-31 | 无锡马盛环境能源科技有限公司 | A kind of outer steel inner membrance biogas cabinet |
| CN110566801A (en) * | 2019-09-20 | 2019-12-13 | 山西汾西重工有限责任公司 | Overpressure-proof methane gas cabinet for preparing methane by pressure swing adsorption method |
| CN111006133A (en) * | 2019-12-18 | 2020-04-14 | 上海林海生态技术股份有限公司 | Method for installing gas tank system |
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| CN201875426U (en) * | 2010-10-29 | 2011-06-22 | 北京安泽世通生态环境科技有限公司 | Constant-pressure telescopic flexible gas holder |
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| JP2003194296A (en) * | 2001-12-27 | 2003-07-09 | Jfe Steel Kk | Dry gas holder sealing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402593A (en) * | 2015-10-22 | 2016-03-16 | 中冶南方工程技术有限公司 | Gas cabinet |
| CN105402593B (en) * | 2015-10-22 | 2017-08-11 | 中冶南方工程技术有限公司 | A kind of gas chamber |
| CN106085534A (en) * | 2016-08-14 | 2016-11-09 | 安徽盛运环保（集团）股份有限公司 | A kind of biomass marsh gas processing system |
| CN106322098A (en) * | 2016-08-26 | 2017-01-11 | 上海林海生态技术股份有限公司 | Large-capacity methane storage cabinet and internal methane storage amount measuring method thereof |
| CN106764392A (en) * | 2016-12-22 | 2017-05-31 | 无锡马盛环境能源科技有限公司 | A kind of outer steel inner membrance biogas cabinet |
| CN110566801A (en) * | 2019-09-20 | 2019-12-13 | 山西汾西重工有限责任公司 | Overpressure-proof methane gas cabinet for preparing methane by pressure swing adsorption method |
| CN111006133A (en) * | 2019-12-18 | 2020-04-14 | 上海林海生态技术股份有限公司 | Method for installing gas tank system |
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|---|---|
| CN104913183B (en) | 2017-03-08 |
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