CN203641863U - Gas tank with H-shaped sliding piston and H-shaped sliding piston - Google Patents
Gas tank with H-shaped sliding piston and H-shaped sliding piston Download PDFInfo
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- CN203641863U CN203641863U CN201320849004.8U CN201320849004U CN203641863U CN 203641863 U CN203641863 U CN 203641863U CN 201320849004 U CN201320849004 U CN 201320849004U CN 203641863 U CN203641863 U CN 203641863U
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Abstract
The utility model discloses a gas tank with an H-shaped sliding piston and the H-shaped sliding piston. The gas tank comprises a gas tank cylindrical shell, a roofing board and a venting clerestory arranged on the top of the gas tank cylindrical shell, a gas inlet and outlet arranged on the bottom of the gas tank cylindrical shell, and the H-shaped sliding piston sliding along the inner wall of the H-shaped sliding piston. The H-shaped sliding piston comprises a piston fencing rack sliding along the inner wall of the gas tank cylindrical shell, and a sliding type inner container piston arch sliding the inner wall of the piston fencing rack is arranged on the inner wall of the piston fencing rack. The sliding type inner container piston arch comprises an inner container piston, a piston plate and a piston plate supporting truss, and a rubber sealing film is arranged between the H-shaped sliding piston and the inner wall of the gas tank cylindrical shell. A rubber seal film is also arranged between the sliding type inner container piston arch and the inner wall of the piston fencing rack. The outer pressure calculating height of a piston cylinder is lowered, the steel consumption amount of the piston is minimized, and the nitrogen replacing amount and the replacing time are reduced.
Description
Technical field
The utility model belongs to gas cabinet field, is specifically related to a kind of sliding type H type piston gas cabinet and piston thereof.
Background technique
In dry gas holder, mainly contain two types: the one, adopt rare lubricant oil to make the gas cabinet that sealing medium seals, be secondly to adopt rubber diaphragm sealed gas cabinet.In thin oil seal, a kind of is the graceful cabinet seal arrangement of metal slider formula, and also having a kind of is the Novel cabinet seal arrangement of rubber seal, because the rubber seal of Novel cabinet has advantages of good seal performance, Novel cabinet is solely favored.But, current thin oil seal coal gas, piston motion speed, below 2.5m/min, is subject to the impact of many factors, as making precision, the installation precision of gas cabinet cylindrical shell; Also have in piston how stable maintenance of thin oil height, etc., the difficulty that these factors have caused piston motion speed to improve strengthens.And adopt rubber diaphragm sealed gas cabinet, it is with the film formed leather bag of rubber, plasticity is large, by external experience, more than its piston motion speed can reach 5m/min, even can reach 7m/min, this is to be beyond one's reach except dry oil-tightening other gas cabinets can grand moulded coal gas holder.Further, because be rubber membrane, the temperature that it bears is higher than thin oil, and just because of be rubber membrane, it is not also afraid of dust, and still, this gas cabinet is always as the special coal gas holder of the RECOVERY OF CONVERTER GAS of steel-making.For example existing Wickins holder, the segmentation of its caulking gum, there are multistage and one section, multi-section type, as traditional two section type, its piston intensity is high, good rigidly is applicable to large capacity coal gas holder, but has pressure surge when it becomes section, and one-part form can be eliminated one section and becomes the pressure surge in when section with multistage, advantages gains great popularity.But one-part form is because the blade diameter length ratio of piston is too high, the rigidity of piston with regard to little, intensity is low, if do not take measures just easily cause piston distortion and gas cabinet cannot normally be produced, therefore current one-part form mostly is small capacity gas cabinet.
After tradition two section type piston gas cabinet makes one-part form into, there are at present two kinds of modes, traditional type one-part form piston gas cabinet and fixed H type piston gas cabinet.Traditional type one-part form piston gas cabinet has a several shortcoming, first, because its piston arch is in the bottom of piston garden cylinder, like this, just below, and the mass cg of piston is often higher than the point of action of gas for the point of action of gas, thereby causes the unstable of gas cabinet, in the time that piston moves fast, be easy to cause tilting of the piston.The second, because need to bearing external pressure (gas cabinet working pressure), the piston T fence of traditional type one-part form piston gas cabinet make traditional type one-part form piston steel consumption very large.
In order to overcome the above-mentioned shortcoming of traditional type one-part form piston gas cabinet, there is fixed H type piston gas cabinet, this fixed H type piston gas cabinet, has brought up to certain position in the middle part of the cylinder of piston garden by the piston arch of gas cabinet, like this, the point of action of gas is just far away higher than the mass cg of piston, this just makes piston in the time of operation, just as tumbler, forms self balancing, particularly, in the time of piston rapid movement, this H piston with tumbler structure more can use.In addition, because fixed H type piston arch has been mentioned certain position in the middle part of the cylinder of piston garden, so, Tong Qi both sides, this section of piston garden under this position are stressed has just in time offset mutually, like this, because this section of piston garden cylinder aspect ratio original height on this position reduces greatly, be subject to external pressure to do the used time, garden cylinder is highly shorter, and the rigidity of garden cylinder is better, in the time meeting same stable prerequisite, fixed H type piston gas cabinet just can reduce steel consumption.So the piston steel consumption of fixed H type piston gas cabinet is minimum in several pistons.
But fixed H type piston gas cabinet also has several minor defects, first, it is exactly this part dead space below fixed arch, in the time that gas cabinet is constructed, due to highly very high, cause difficulty of construction strengthen and construction cost significantly rises, second, below fixed arch, this part space, in the time of gas cabinet debugging and maintenance, needs a large amount of nitrogen to replace, and also needs a large amount of time to replace, the labor intensity that increases production unit, also increases factor leading to social instability.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of sliding type H type piston gas cabinet, has concentrated all advantages of traditional two section type piston gas cabinet, fixed H type piston gas cabinet and traditional type one-part form piston gas cabinet.
The purpose of this utility model is achieved through the following technical solutions:
A kind of sliding type H type piston gas cabinet, comprise gas cabinet cylindrical shell, described gas cabinet cylindrical shell top is provided with roofing board and ventilation clerestory, described gas cabinet cylinder body bottom is provided with gas inlet and outlet, in described gas cabinet cylindrical shell, be also provided with the sliding type H type piston that can slide along its inwall, described sliding type H type piston comprises the piston fence rack that can slide along gas cabinet cylinder inboard wall, described piston fence rack inwall is provided with can be along the sliding type inner bag piston arch of its slip, described piston fence rack top is provided with the upper limit post that anti-skidding formula inner bag piston cascade goes out, described sliding type inner bag piston arch comprises inner bag piston, piston plate and piston plate sub-truss, between described sliding type H type piston and gas cabinet cylinder inboard wall, be provided with rubber sealing film, between described sliding type inner bag piston arch and piston fence rack inwall, be also provided with inner bag rubber sealing film,
Further, described piston fence rack arranged outside has rubber sealing film pressure-bearing corrugated baffle, and the rubber sealing film between described sliding type H type piston and gas cabinet cylinder inboard wall is arranged on rubber sealing film pressure-bearing corrugated baffle;
Further, described piston fence rack bottom is also provided with for maintaining the balancing weight of sliding type H type piston in uphill process balance;
Further, described sliding type inner bag piston arch is also provided with the wire rope for piston correction;
Further, described gas cabinet cylinder inboard wall bottom is provided with the supporting frame for support slide-type H type piston.
The utility model also comprises a kind of sliding type H type piston: described sliding type H type piston comprises the piston fence rack that can slide along gas cabinet cylinder inboard wall, described piston fence rack inwall is provided with can be along the sliding type inner bag piston arch of its slip, described piston fence rack top is provided with the upper limit post that anti-skidding formula inner bag piston cascade goes out, described sliding type inner bag piston arch comprises inner bag piston, piston plate and piston plate sub-truss, between described sliding type H type piston and gas cabinet cylinder inboard wall, be provided with rubber sealing film, between described sliding type inner bag piston arch and piston fence rack inwall, be provided with inner bag rubber sealing film,
Further, described piston fence rack arranged outside has rubber sealing film pressure-bearing corrugated baffle, and the rubber sealing film between described sliding type H type piston and gas cabinet cylinder inboard wall is arranged on rubber sealing film pressure-bearing corrugated baffle;
Further, described piston fence rack bottom is also provided with for maintaining the balancing weight of sliding type H type piston in uphill process balance;
Further, described sliding type inner bag piston arch is also provided with the wire rope for piston correction.
The beneficial effects of the utility model are: sliding type H type piston gas cabinet of the present utility model not only can reduce the external pressure effective height of piston cylinder by the inner bag piston that can slide up and down is set in sliding type H type piston again, improve the ability that piston bears working pressure, also can greatly alleviate the steel consumption of piston, can also avoid the pressure surge in gas cabinet, finally can also reduce the dead space of piston arch bottom, thereby reduce replacement amount and the time swap of nitrogen.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can from practice of the present utility model, be instructed.Target of the present utility model and other advantages can be realized and be obtained by specification below.
Accompanying drawing explanation
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is the utility model structural representation;
Fig. 2 is the local enlarged diagram in A place in Fig. 1;
Fig. 3 is the local enlarged diagram in B place in Fig. 1;
Fig. 4 is sliding type H type piston original state schematic diagram;
Fig. 5 is that sliding type H type piston uses view.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment is only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in the figure, a kind of sliding type H type piston gas cabinet, comprise gas cabinet cylindrical shell 1, described gas cabinet cylindrical shell top is provided with roofing board 2 and ventilation clerestory 3, described gas cabinet cylinder body bottom is provided with gas inlet and outlet 4, in described gas cabinet cylindrical shell, be also provided with the sliding type H type piston 5 that can slide along its inwall, described sliding type H type piston comprises the piston fence rack 51 that can slide along gas cabinet cylinder inboard wall, described piston fence rack inwall is provided with can be along the sliding type inner bag piston arch 6 of its slip, described piston fence rack top is provided with the upper limit post 52 that anti-skidding formula inner bag piston cascade goes out, described sliding type inner bag piston arch 6 comprises inner bag piston 61, piston plate 62 and piston plate sub-truss 63, between described sliding type H type piston and gas cabinet cylinder inboard wall, be provided with rubber sealing film 7, between described sliding type inner bag piston arch and piston fence rack inwall, be also provided with inner bag rubber sealing film 8.
In the present embodiment, sliding type H type piston gas cabinet not only can reduce the external pressure effective height of piston cylinder by the inner bag piston that can slide up and down is set in sliding type H type piston again, improve the ability that piston bears working pressure, also can greatly alleviate the steel consumption of piston, can also avoid the pressure surge in gas cabinet, finally can also reduce the dead space of piston arch bottom, thereby reduce replacement amount and the time swap of nitrogen.
In the present embodiment, described piston fence rack arranged outside has rubber sealing film pressure-bearing corrugated baffle 53, and the rubber sealing film between described sliding type H type piston and gas cabinet cylinder inboard wall is arranged on rubber sealing film pressure-bearing corrugated baffle; The rubber sealing film of the present embodiment is along with the rising of sliding type H type piston spreads out at gas cabinet cylinder inboard wall the sealing that guarantees coal gas gradually.
In the present embodiment, described piston fence rack bottom is also provided with for maintaining the balancing weight 54 of sliding type H type piston in uphill process balance; The balance that balancing weight can guarantee piston in piston uphill process is set.
In the present embodiment, described sliding type inner bag piston arch is also provided with the wire rope 9 for piston correction; Wire rope 9 is mainly stablizing while maintaining small piston rise, and using process is safer.
In the present embodiment, described gas cabinet cylinder inboard wall bottom is provided with the supporting frame 10 for support slide-type H type piston.
When the present embodiment operation air inlet, first sliding type inner bag piston arch is lifted, lifting the gas space that is simultaneously just equivalent to extrude below sliding type H type piston, in the time that lifting to upper limit post, sliding type inner bag piston arch stops, now, continue air inlet, when air pressure is greater than after sliding type H type piston weight, whole piston starts to have risen, gas cabinet has formally brought into operation, and once gas cabinet moves, sliding type inner bag piston arch just can not get off again, the pressure of gas cabinet also can not change, and the shape of gas cabinet has also reached the shape of fixed H type piston, and the characteristic of gas cabinet is also the same with fixed H type piston.
When gas cabinet need to land maintenance or other are while needing piston to land, because sliding type inner bag piston arch can oscilaltion, if it can not have enough safety spaces just easily to cause piston bottom to take out negative pressure as the gas cabinet of other fixed arches after landing.If need to be emptied completely, just coal gas is continued to emptying, sliding type inner bag piston arch will slowly fall, until all fall on supporting frame 10.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. a sliding type H type piston gas cabinet, comprise gas cabinet cylindrical shell, described gas cabinet cylindrical shell top is provided with roofing board and ventilation clerestory, described gas cabinet cylinder body bottom is provided with gas inlet and outlet, it is characterized in that: in described gas cabinet cylindrical shell, be also provided with the sliding type H type piston that can slide along its inwall, described sliding type H type piston comprises the piston fence rack that can slide along gas cabinet cylinder inboard wall, described piston fence rack inwall is provided with can be along the sliding type inner bag piston arch of its slip, described piston fence rack top is provided with the upper limit post that anti-skidding formula inner bag piston cascade goes out, described sliding type inner bag piston arch comprises inner bag piston, piston plate and piston plate sub-truss, between described sliding type H type piston and gas cabinet cylinder inboard wall, be provided with rubber sealing film, between described sliding type inner bag piston arch and piston fence rack inwall, be also provided with inner bag rubber sealing film.
2. sliding type H type piston gas cabinet according to claim 1, it is characterized in that: described piston fence rack arranged outside has rubber sealing film pressure-bearing corrugated baffle, the rubber sealing film between described sliding type H type piston and gas cabinet cylinder inboard wall is arranged on rubber sealing film pressure-bearing corrugated baffle.
3. sliding type H type piston gas cabinet according to claim 1, is characterized in that: described piston fence rack bottom is also provided with for maintaining the balancing weight of sliding type H type piston in uphill process balance.
4. sliding type H type piston gas cabinet according to claim 1, is characterized in that: described sliding type inner bag piston arch is also provided with the wire rope for piston correction.
5. sliding type H type piston gas cabinet according to claim 1, is characterized in that: described gas cabinet cylinder inboard wall bottom is provided with the supporting frame for support slide-type H type piston.
6. a sliding type H type piston, it is characterized in that: described sliding type H type piston comprises the piston fence rack that can slide along gas cabinet cylinder inboard wall, described piston fence rack inwall is provided with can be along the sliding type inner bag piston arch of its slip, described piston fence rack top is provided with the upper limit post that anti-skidding formula inner bag piston cascade goes out, described sliding type inner bag piston arch comprises inner bag piston, piston plate and piston plate sub-truss, between described sliding type H type piston and gas cabinet cylinder inboard wall, be provided with rubber sealing film, between described sliding type inner bag piston arch and piston fence rack inwall, be provided with inner bag rubber sealing film.
7. sliding type H type piston according to claim 6, it is characterized in that: described piston fence rack arranged outside has rubber sealing film pressure-bearing corrugated baffle, the rubber sealing film between described sliding type H type piston and gas cabinet cylinder inboard wall is arranged on rubber sealing film pressure-bearing corrugated baffle.
8. sliding type H type piston according to claim 6, is characterized in that: described piston fence rack bottom is also provided with for maintaining the balancing weight of sliding type H type piston in uphill process balance.
9. sliding type H type piston according to claim 6, is characterized in that: described sliding type inner bag piston arch is also provided with the wire rope for piston correction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849004.8U CN203641863U (en) | 2013-12-20 | 2013-12-20 | Gas tank with H-shaped sliding piston and H-shaped sliding piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849004.8U CN203641863U (en) | 2013-12-20 | 2013-12-20 | Gas tank with H-shaped sliding piston and H-shaped sliding piston |
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| Publication Number | Publication Date |
|---|---|
| CN203641863U true CN203641863U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320849004.8U Expired - Fee Related CN203641863U (en) | 2013-12-20 | 2013-12-20 | Gas tank with H-shaped sliding piston and H-shaped sliding piston |
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| CN (1) | CN203641863U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629520A (en) * | 2013-12-20 | 2014-03-12 | 中冶赛迪工程技术股份有限公司 | Sliding type H-type piston coal gas tank and sliding type H-type piston thereof |
| CN104006286A (en) * | 2014-06-18 | 2014-08-27 | 中冶赛迪工程技术股份有限公司 | Rope-free leveling system rubber membrane sealing coal gas cabinet |
| 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 |
| CN106090594A (en) * | 2016-06-23 | 2016-11-09 | 中冶南方工程技术有限公司 | Inflated type drier oil sealed gas chamber |
| CN108071931A (en) * | 2016-11-14 | 2018-05-25 | 上海梅山钢铁股份有限公司 | A kind of constant cabinet of Wiggins gas holder houses changing device and method of replacing |
-
2013
- 2013-12-20 CN CN201320849004.8U patent/CN203641863U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629520A (en) * | 2013-12-20 | 2014-03-12 | 中冶赛迪工程技术股份有限公司 | Sliding type H-type piston coal gas tank and sliding type H-type piston thereof |
| CN103629520B (en) * | 2013-12-20 | 2016-06-15 | 中冶赛迪工程技术股份有限公司 | Slidingtype H type piston gas cabinet and slidingtype H type piston thereof |
| CN104006286A (en) * | 2014-06-18 | 2014-08-27 | 中冶赛迪工程技术股份有限公司 | Rope-free leveling system rubber membrane sealing coal gas cabinet |
| 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 |
| CN104864260B (en) * | 2015-06-05 | 2016-09-07 | 中冶华天工程技术有限公司 | One-part form high-pressure rubber-film sealing type gas-holder sealing device |
| CN106090594A (en) * | 2016-06-23 | 2016-11-09 | 中冶南方工程技术有限公司 | Inflated type drier oil sealed gas chamber |
| CN108071931A (en) * | 2016-11-14 | 2018-05-25 | 上海梅山钢铁股份有限公司 | A kind of constant cabinet of Wiggins gas holder houses changing device and method of replacing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |