CN105508866A - Single-section type gas cabinet - Google Patents
Single-section type gas cabinet Download PDFInfo
- Publication number
- CN105508866A CN105508866A CN201510864545.1A CN201510864545A CN105508866A CN 105508866 A CN105508866 A CN 105508866A CN 201510864545 A CN201510864545 A CN 201510864545A CN 105508866 A CN105508866 A CN 105508866A
- Authority
- CN
- China
- Prior art keywords
- roller shutter
- piston
- type gas
- cabinet
- gas cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/24—Gas-holders of variable capacity of dry type
- F17B1/26—Gas-holders of variable capacity of dry type with flexible walls, e.g. bellows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/02—Details
- F17B1/04—Sealing devices for sliding parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention relates to a single-section type gas cabinet which comprises a piston plate, a piston bracket, a corrugated plate and a roller shutter, and further comprises an adsorbing mechanism, wherein the corrugated plate is fixed to one side, close to the side plate of a cabinet body, of the piston bracket; each wavy groove of the corrugated plate is horizontal; and when the piston plate operates at low level, the roller shutter body is adsorbed and accommodated in at least one part of the wavy grooves of the corrugated plate through the adsorbing mechanism. According to the single-section type gas cabinet, the transversely corrugated plate is applied, and a ferromagnetic metal wire on the roller shutter is matched with a permanent magnet bar on the piston bracket, so that the roller shutter can be bent into a wavy shape; wavy bumps are adsorbed and accommodated into the wavy grooves of the corrugated plate, i.e., the length of the roller shutter is greater than the height of the piston bracket, so that the designed length of the roller shutter can be increased in case of the same piston bracket height, or the designed height of the piston bracket can be reduced in case of the same roller shutter length, and therefore, useless capacity of the single-section type roller shutter sealing dry-type gas cabinet can be effectively reduced.
Description
Technical field
The present invention relates to a kind of unistage type gas cabinet.
Background technique
The recovery that unistage type roller shutter seal dry type coal gas is more and more widely used in iron and steel enterprise's by-product gas stores, single hop cabinet is compared with more common two section type roller shutter seal dry type coal gas, general structure is similar, difference is mainly that only there is moving up and down of piston single hop cabinet cabinet inside, realize the discrepancy of coal gas, and two sections of cabinet internal structures is more complicated, except piston, also have T baffle plate, T shutter carrier, by piston, the rising and falling successively of T baffle plate, realize the discrepancy of coal gas.
As Fig. 1, be single hop cabinet conventional in prior art, comprise gas-holder foundation 1, cabinet base plate 2, claustra 3, side plate 4, cabinet appearance indicator 5, sealing angle steel 6, walk ladder 7, roller shutter 8a, piston holder 9a, piston plate 10, corrugated sheet 11a and cabinet top board 12.
Traditional unistage type roller shutter seal dry type coal gas, has following advantage: (1) can storage medium wide accommodation; (2) pressure store is stablized, without skipping a grade; (3) relatively simple for structure, constructability, operation and maintenance; (4) roller shutter sealing immovable point reduces by half substantially, and gas leakage risk is less.Exactly because also single hop cabinet has these advantages, obtain and use more and more widely.
But facts have proved, also there are some shortcomings in single hop cabinet: dead volume is comparatively large, and piston holder is higher.This result also in compared with the gas cabinet of single hop cabinet and two sections of cabinets or other cabinet types, and construction cost does not have obvious advantage, and is unfavorable for that volume maximizes, and becomes an obvious unfavorable factor in the process that single hop cabinet promotes.
Summary of the invention
The embodiment of the present invention provides a kind of unistage type gas cabinet, at least can solve the segmental defect of prior art.
The embodiment of the present invention relates to a kind of unistage type gas cabinet, comprises piston plate, piston holder, corrugated sheet and roller shutter, and described corrugated sheet is fixed on the side of described piston holder near side cabinet, and each undulating groove of described corrugated sheet is all in horizontal endless; Also comprise adsorbing mechanism, when piston plate low level is run, at least wherein the interior absorption of a part of undulating groove contains roller shutter body.
As one of embodiment, described adsorbing mechanism comprises at least one group of absorbent module, and described absorbent module comprises at least one first ferromagnetism part and at least one second ferromagnetism part, described first ferromagnetism part and described second ferromagnetism part different in nature each other; Often organize in described absorbent module, each described first ferromagnetism part is all installed in one of them undulating groove or is installed on described piston holder near one of them undulating groove, and the equal correspondence of each described second ferromagnetism part is installed on described roller shutter.
As one of embodiment, each described first ferromagnetism part is all installed on the trough place of corresponding undulating groove or is installed on the piston holder of At The Height identical with the trough of corresponding undulating groove.
As one of embodiment, described first ferromagnetism part is annular permanent magnet bar, and this annular permanent magnet bar is installed along piston holder circumference; Described second ferromagnetic option is the ferromagnetic wire of band, and this wire is along the installation of roller shutter circumference.
As one of embodiment, the quantity of described absorbent module and one_to_one corresponding identical with the quantity of undulating groove configures.
The embodiment of the present invention at least achieves following beneficial effect:
(1) due to the utilization of the corrugated sheet of cross setting, and be located at ferromagnetic metal silk on roller shutter and the permanent magnetic strip mating reaction be located on piston holder, make roller shutter complications can become wavy, the wavy projection of wave is contained in the undulating groove of corrugated sheet by absorption, namely the length of roller shutter is greater than the height of piston holder, thus the design length of roller shutter can be increased when identical piston holder height, the design height of piston holder can be reduced in other words when identical roller shutter length, thus the dead volume of unistage type roller shutter seal dry type coal gas can be effectively reduced.
(2) attracted each other with the permanent magnetic strip be located on piston holder by the ferromagnetic metal silk be located on roller shutter, piston holder is with in piston plate running, leading role can be played to the operation of roller shutter, ensure that roller shutter moves according to design conditions completely, roller shutter is worked for a long time under optimum condition, while guarantee sealing effect, extends its working life.
(3) when gas cabinet unaerated, magnetic force has fixing castering action to roller shutter, prevents roller shutter from dropping.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the existing unistage type gas cabinet that Fig. 1 provides for background technique;
The structural representation of the unistage type gas cabinet that Fig. 2 provides for the embodiment of the present invention;
The roller shutter complications that Fig. 3 provides for the embodiment of the present invention are contained in the structural representation after piston holder;
The structural representation of the roller shutter that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is the sectional view of Fig. 4 along A-A;
The contrast schematic diagram of the Iinvalid volume of this unistage type gas cabinet that Fig. 6 provides for the embodiment of the present invention and existing unistage type gas cabinet, wherein, Fig. 6 a is the schematic diagram of the Iinvalid volume of this unistage type gas cabinet, and Fig. 6 b is the schematic diagram of the Iinvalid volume of existing unistage type gas cabinet.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, belong to the scope of protection of the invention.
As Fig. 2-Fig. 5, the embodiment of the present invention provides a kind of unistage type gas cabinet, and gas-holder foundation 1, cabinet base plate 2, claustra 3, side plate 4, cabinet hold indicator 5, sealing angle steel 6, walk ladder 7, roller shutter 8b, piston holder 9b, piston plate 10, corrugated sheet 11b and cabinet top board 12.Roller shutter 8b mainly seals, one end is connected on piston holder 9b or on piston plate 10, the other end is connected on side cabinet 4, when piston plate 10 is in low level, roller shutter 8b is contained in piston holder 9b (namely piston holder 9b is near the side of side cabinet 4) behind, along with piston plate 10 upwards runs, roller shutter 8b is expanded to gradually and is positioned at outside piston holder 9b.Corrugated sheet 11b is fixed on described piston holder 9b near the side of side cabinet 4; during gas holder inflation; the corrugated sheet 11b of close arrangement can support roller shutter 8b; prevent roller shutter 8b from being pushed in the component space of piston holder 9b by air pressure; play a protective role; corrugated sheet 11b has wavy projection, has certain elasticity, and impact force when pressing close to it roller shutter 8b has certain buffer function.The corrugated sheet 11b of existing gas cabinet (comprising single hop cabinet and two section cabinets etc.) is all vertically arranged, and namely the wavy projection length direction of corrugated sheet 11b vertically; In the present embodiment, described corrugated sheet 11b cross setting, namely each undulating groove (wavy projection) is all in horizontal endless; This gas cabinet also comprises adsorbing mechanism, and when piston low level is run, at least wherein the interior absorption of a part of undulating groove contains roller shutter body.Wherein, described adsorbing mechanism comprises at least one group of absorbent module, and described absorbent module comprises at least one first ferromagnetism part 14 and at least one second ferromagnetism part 15, and described first ferromagnetism part 14 is different in nature each other with described second ferromagnetism part 15; Often organize in described absorbent module, each described first ferromagnetism part 14 is all installed in one of them undulating groove or is installed on described piston holder 9b near one of them undulating groove, and each described second ferromagnetism part 15 all correspondence is installed on described roller shutter 8b; Preferably, often organize in absorbent module, each described first ferromagnetism part 14 is all installed on the trough place of corresponding undulating groove or is installed on the piston holder 9b of At The Height identical with the trough of corresponding undulating groove, and the roller shutter bulk area of adsorbable collecting is larger.Above-mentioned first ferromagnetism part 14 and the second ferromagnetism part 15 can be magnet or one for magnet one is for being with ferromagnetic metal, for ease of installing and using, preferably arranging the first ferromagnetism part 14 is annular permanent magnet bar 14, this annular permanent magnet bar 14 installs (namely on piston holder 9b, vertically arranging multi-turn permanent magnet 14) along piston holder 9b circumference, arrange the second ferromagnetic option for the ferromagnetic wire 15 of band, this wire 15 installs (namely on roller shutter 8b, vertically arranging multi-turn wire 15) along roller shutter 8b circumference.Wherein, often organize in absorbent module, the quantity of the first ferromagnetism part 14 and the second ferromagnetism part 15 is selected according to actual conditions, as the magnetic size etc. of roller shutter 8b weight, ferromagnetism part; As Fig. 4 and Fig. 5, in the present embodiment, often organize in absorbent module, adopt 1 annular permanent magnet 14 to coordinate with 3 one metal wires 15,3 one metal wires 15 are close to setting mutually along short transverse.
Often organize the first ferromagnetism part 14 of absorbent module and the second ferromagnetism part 15 with the use of, can the roller shutter body of this second ferromagnetism part 15 annex be adsorbed in the undulating groove corresponding to this first ferromagnetism part 14; When this second ferromagnetism part 15 mounting point on roller shutter 8b should be able to ensure gas cabinet unaerated, it can be adsorbed by the first ferromagnetism part 14 of correspondence.The quantity of absorbent module is determined according to the tortuous magnification of the roller shutter 8b of setting, to ensure that roller shutter 8b can be accommodated in piston holder 9b behind completely, preferably, the quantity of described absorbent module and one_to_one corresponding identical with the quantity of undulating groove configures, namely the piston holder 9b corresponding to each undulating groove place is equipped with one group of first ferromagnetism part 14 (often organize the first ferromagnetism part 15 and be each first ferromagnetism part 15 in absorbent module), many groups of the second ferromagnetism parts 15 on roller shutter 8b (often organize the second ferromagnetism part 15 and be each second ferromagnetism part 15 in absorbent module) are equally arranged along short transverse, spacing n2 under the complete extended state of roller shutter 8b between two adjacent groups second ferromagnetism part 15 is greater than the spacing n1 between two adjacent groups first ferromagnetism part 14, be specially: n2:n1 is substantially equal to the arc length of single ripple in corrugated sheet 11b vertical cross-section (camber line limited between adjacent two troughs) and the ratio of chord length, this ratio is also substantially equal to the ratio of length under roller shutter 8b extended state and piston holder 9b height.
As Fig. 3, when piston plate 10 is in low level, due to the utilization of the corrugated sheet 11b of cross setting, and be located at ferromagnetic metal silk on roller shutter 8b 15 and the permanent magnetic strip mating reaction be located on piston holder 9b, roller shutter 8b complications are made to become wavy, the wavy projection of wave is contained in the undulating groove of corrugated sheet 11b by absorption, namely the length of roller shutter 8b is greater than the height of piston holder 9b (in prior art, the two is equal), thus the design length of roller shutter 8b can be increased when identical piston holder 9b height, the design height of piston holder 9b can be reduced in other words when identical roller shutter 8b length, thus the dead volume of unistage type roller shutter seal dry type coal gas can be effectively reduced.As Fig. 6, when piston plate 10 rises to extreme higher position, bottom piston plate 10 top, cabinet top board and the region that surrounds of side cabinet 4 is the Iinvalid volume of single hop cabinet; More known, compared with existing single hop cabinet, when actual volume is consistent (namely roller shutter 8b length is identical), the single hop cabinet that the present embodiment provides is owing to can reduce the height of piston holder 9b, thus its Iinvalid volume can be obviously reduced, thus cabinet height can be effectively reduced.For the single hop cabinet of 10 conventional ten thousand steres, what suppose to adopt can the tortuous magnification of dioptric type roller shutter 8b be 1.3:1, the height of piston holder 9b just can be made to reduce about 4 meters, thus make the whole height of gas cabinet reduce about 4 meters, be that 6mm calculates by sidewall thickness, only sidewall and column this just can save about 42 tons of steel; Add the piston holder 9b height of reduction, the claustra of cancellation, walk ladder etc., ~ 150 tons of steel can be saved altogether.Visible, the single hop cabinet that the present embodiment provides can solve that dead volume in prior art existing for single hop cabinet is large, construction cost is high, be unfavorable for the problems such as volume maximization, make single hop cabinet compared to other cabinet types gas cabinet have more advantage, be beneficial to the popularization of single hop cabinet.
The present embodiment at least has following beneficial effect:
(1) due to the utilization of the corrugated sheet 11b of cross setting, and be located at ferromagnetic metal silk on roller shutter 8b 15 and the permanent magnetic strip mating reaction be located on piston holder 9b, make roller shutter 8b complications can become wavy, the wavy projection of wave is contained in the undulating groove of corrugated sheet 11b by absorption, namely the length of roller shutter 8b is greater than the height of piston holder 9b, thus the design length of roller shutter 8b can be increased when identical piston holder 9b height, the design height of piston holder 9b can be reduced in other words when identical roller shutter 8b length, thus the dead volume of unistage type roller shutter seal dry type coal gas can be effectively reduced.
(2) attracted each other with the permanent magnetic strip be located on piston holder 9b by the ferromagnetic metal silk 15 be located on roller shutter 8b, piston holder 9b is with in piston plate 10 running, leading role can be played to the operation of roller shutter 8b, ensure that roller shutter 8b moves according to design conditions completely, roller shutter 8b is worked for a long time under optimum condition, while guarantee sealing effect, extends its working life.
(3) when gas cabinet unaerated, magnetic force has fixing castering action to roller shutter 8b, prevents roller shutter 8b from dropping.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a unistage type gas cabinet, comprises piston plate, piston holder, corrugated sheet and roller shutter, and described corrugated sheet is fixed on the side of described piston holder near side cabinet, it is characterized in that: each undulating groove of described corrugated sheet is all in horizontal endless; Also comprise adsorbing mechanism, when piston plate low level is run, at least wherein the interior absorption of a part of undulating groove contains roller shutter body.
2. unistage type gas cabinet according to claim 1, it is characterized in that: described adsorbing mechanism comprises at least one group of absorbent module, described absorbent module comprises at least one first ferromagnetism part and at least one second ferromagnetism part, described first ferromagnetism part and described second ferromagnetism part different in nature each other; Often organize in described absorbent module, each described first ferromagnetism part is all installed in one of them undulating groove or is installed on described piston holder near one of them undulating groove, and the equal correspondence of each described second ferromagnetism part is installed on described roller shutter.
3. unistage type gas cabinet according to claim 2, is characterized in that: each described first ferromagnetism part is all installed on the trough place of corresponding undulating groove or is installed on the piston holder of At The Height identical with the trough of corresponding undulating groove.
4. the unistage type gas cabinet according to Claims 2 or 3, is characterized in that: described first ferromagnetism part is annular permanent magnet bar, and this annular permanent magnet bar is installed along piston holder circumference; Described second ferromagnetic option is the ferromagnetic wire of band, and this wire is along the installation of roller shutter circumference.
5. the unistage type gas cabinet according to Claims 2 or 3, is characterized in that: the quantity of described absorbent module and one_to_one corresponding identical with the quantity of undulating groove configures.
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CN201510864545.1A CN105508866B (en) | 2015-11-30 | 2015-11-30 | Unistage type gas chamber |
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CN201510864545.1A CN105508866B (en) | 2015-11-30 | 2015-11-30 | Unistage type gas chamber |
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CN105508866A true CN105508866A (en) | 2016-04-20 |
CN105508866B CN105508866B (en) | 2018-01-05 |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09203495A (en) * | 1996-01-26 | 1997-08-05 | Ishii Iron Works Co Ltd | Dry gas holder |
CN2608816Y (en) * | 2003-03-25 | 2004-03-31 | 李伟 | 8-10 KPA rubber film sealing gas storage cabinet |
CN101776202A (en) * | 2009-12-29 | 2010-07-14 | 中冶京诚工程技术有限公司 | Large single-section rubber film sealing type gas storage device |
CN102226497A (en) * | 2011-03-23 | 2011-10-26 | 中化二建集团有限公司 | Manufacturing method of large rubber rolling curtain sealed dry-type gas holder |
CN102410439A (en) * | 2011-11-16 | 2012-04-11 | 中冶南方工程技术有限公司 | Auxiliary lifting device for rubber diaphragm |
CN202938002U (en) * | 2012-07-17 | 2013-05-15 | 中国市政工程华北设计研究总院 | 20,000-80,000 cubic meter single-section type rubber membrane sealing gas storage cabinet |
JP2013200004A (en) * | 2012-03-26 | 2013-10-03 | Sumitomo Seika Chem Co Ltd | Gas holder and diaphragm used therefor |
CN104864260A (en) * | 2015-06-05 | 2015-08-26 | 中冶华天工程技术有限公司 | Sealing device for one-section type high-pressure rubber membrane sealing type gas holder |
JP2015218751A (en) * | 2014-05-14 | 2015-12-07 | 株式会社サンテック | Gas holder |
CN205173968U (en) * | 2015-11-30 | 2016-04-20 | 中冶南方工程技术有限公司 | A piston for single hop formula gas chamber |
-
2015
- 2015-11-30 CN CN201510864545.1A patent/CN105508866B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09203495A (en) * | 1996-01-26 | 1997-08-05 | Ishii Iron Works Co Ltd | Dry gas holder |
CN2608816Y (en) * | 2003-03-25 | 2004-03-31 | 李伟 | 8-10 KPA rubber film sealing gas storage cabinet |
CN101776202A (en) * | 2009-12-29 | 2010-07-14 | 中冶京诚工程技术有限公司 | Large single-section rubber film sealing type gas storage device |
CN102226497A (en) * | 2011-03-23 | 2011-10-26 | 中化二建集团有限公司 | Manufacturing method of large rubber rolling curtain sealed dry-type gas holder |
CN102410439A (en) * | 2011-11-16 | 2012-04-11 | 中冶南方工程技术有限公司 | Auxiliary lifting device for rubber diaphragm |
JP2013200004A (en) * | 2012-03-26 | 2013-10-03 | Sumitomo Seika Chem Co Ltd | Gas holder and diaphragm used therefor |
CN202938002U (en) * | 2012-07-17 | 2013-05-15 | 中国市政工程华北设计研究总院 | 20,000-80,000 cubic meter single-section type rubber membrane sealing gas storage cabinet |
JP2015218751A (en) * | 2014-05-14 | 2015-12-07 | 株式会社サンテック | Gas holder |
CN104864260A (en) * | 2015-06-05 | 2015-08-26 | 中冶华天工程技术有限公司 | Sealing device for one-section type high-pressure rubber membrane sealing type gas holder |
CN205173968U (en) * | 2015-11-30 | 2016-04-20 | 中冶南方工程技术有限公司 | A piston for single hop formula gas chamber |
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