CN210771421U - Single-section type membrane sealing type gas chamber transformed from polygonal gas chamber - Google Patents
Single-section type membrane sealing type gas chamber transformed from polygonal gas chamber Download PDFInfo
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- CN210771421U CN210771421U CN201921354526.4U CN201921354526U CN210771421U CN 210771421 U CN210771421 U CN 210771421U CN 201921354526 U CN201921354526 U CN 201921354526U CN 210771421 U CN210771421 U CN 210771421U
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Abstract
The utility model belongs to the technical field of the engineering is stored to coal gas, a single section formula membrane canned type gas chamber of reforming transform by polygon gas chamber is related to, include: the cylinder body is in a regular polygon shape and is formed by splicing a plurality of side plates, and adjacent side plates are fixed through an upright post arranged on the outer side of the cylinder body; the central bottom plate is arranged at the bottom of the cylinder body; the bottom oil ditch comprises a bottom oil ditch bottom plate and a bottom oil ditch vertical plate which are enclosed to form a groove surrounding the bottom of the side plate; the piston is arranged in the cylinder in a sliding manner through a rubber sealing film; the rubber mold fixing device is used for fixing a rubber mold sealing film and is arranged in the side plate at a position corresponding to the upright post; the utility model discloses furthest's utilization current polygon cabinet body sectional area, provide one kind and realized polygon cabinet transformation for the good method of the save investment of the sealed cabinet of maximum volume membrane, construction simple to operate, interior ventilation condition of cabinet under the realistic condition of the biggest manufacturing length of rubber membrane.
Description
Technical Field
The utility model belongs to the technical field of the engineering is stored to coal gas, a single section formula membrane canned type gas chamber of reforming transform by polygon gas chamber is related to.
Background
The polygonal gas holder (i.e. man-type gas holder) is a thin oil sealed gas holder, the cylinder body has the appearance characteristic of a regular polygon by adopting a piston sealing method of thin oil and a steel sliding plate, and after the man-type gas holder is introduced from japan in 1979 of Bao Steel for storing coke oven gas, the polygonal gas holder is rapidly developed in China and is generally adopted by various steel enterprises. However, due to the inherent low piston speed characteristic and insufficient installation accuracy of the polygonal gas holder, the operation of the polygonal gas holder has the problems of piston inclination, piston guide wheel blockage, large oil drainage amount and the like. In addition, the maximum running speed of the piston can not meet the requirement of a whole-plant gas pipe network on the online running of the gas tank, and the market requirement of transforming the polygonal gas tank into the single-section rubber membrane sealing type gas tank is met.
Compared with a polygonal gas holder, the single-section rubber membrane sealed gas holder has the advantages of stable gas storage pressure, simple structure, high piston running speed (high throughput), no oil-containing waste water discharge and the like, is limited by the manufacturing length of the rubber sealing membrane (the maximum height of domestic manufacture is about 25m), the height-diameter ratio of a newly-built single-section membrane sealed gas holder is generally designed to be about 1:1, the piston and the cylinder are both circular, and the maximum holder capacity of the currently-built single-section membrane sealed gas holder in China is within 15 ten thousand m 3. Taking a built 13.5-ten-thousand-m 3 one-section type membrane sealing gas tank as an example, the diameter of the inner wall of the side plate is about 62m, the number of the upright posts is 32, the total height of the side plate is about 70m, the stroke of the piston is about 45m, and the height-diameter ratio (the total height/diameter of the side plate) is about 1.13.
Take a 20 km 3 polygonal gas cabinet as an example, the gas cabinet column: 24, diameter of the circumcircle of the side plate: 53.629m, side panel inscribed circle diameter: 53.170m, horizontal cross-sectional area of gas holder: 2233m2, piston stroke: 89.56 m. Gas holder horizontal cross-section curb plate length of side 7m, curb plate height: 98.56m, the height-diameter ratio of the gas holder 98.56/53.629 is 1.84, so that the technical problem of how to economically and reasonably transform the existing 20 ten thousand m3 polygonal gas holder into a rubber film sealing type gas holder under the condition of the manufacturing length of the existing rubber sealing film is urgent.
The related technology of reforming a polygonal gas tank into a membrane sealing type gas tank in the prior art usually modifies a cylinder into a circular shape and reforms the cylinder in a mode of sacrificing the sectional area of the cylinder, the use economy of the gas tank can be greatly reduced due to the sacrifice of the sectional area, and the sectional area of the gas tank is more restricted in consideration of the fact that spaces for installation, welding, corrosion prevention and inspection are reserved in the cylinder.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a single section formula membrane canned type gas chamber by polygon gas chamber transformation, through the transformation to original polygon gas chamber, make full use of original gas chamber cabinet holds, improves the economic nature that the gas chamber used, also is convenient for to the transformation of current gas chamber, reduces economic cost.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a single-stage membrane-sealed gas holder retrofitted from a polygonal gas holder, comprising: the cylinder body is in a regular polygon shape and is formed by splicing a plurality of side plates, and adjacent side plates are fixed through an upright post arranged on the outer side of the cylinder body; the central bottom plate is arranged at the bottom of the cylinder body; the bottom oil ditch comprises a bottom oil ditch bottom plate and a bottom oil ditch vertical plate which are enclosed to form a groove surrounding the bottom of the side plate; the piston is arranged in the cylinder in a sliding manner through a rubber sealing film; and the rubber mold fixing device is used for fixing the rubber mold sealing film and is arranged in the side plate at a position corresponding to the upright post.
Optionally, the rubber mold fixing device includes a rubber mold support plate and a fixing device for fixing the rubber mold support plate inside the side plate.
Optionally, the rubber mold supporting plate includes a stand column support opposite to the stand column, a plurality of side plate supports matched with the side plates, and a vertical plate fixed by the supports.
Optionally, the fixing device includes a sealing angle steel fixedly arranged on the side plate, a corner sealing angle steel fixedly arranged on the upright post, a corner sealing plate for connecting the corner sealing angle steel with the side plate, a first support structure for connecting the corner sealing plate with the side plate, and a second support structure for connecting the corner sealing plate with the upright post; the first and second support structures also serve for guiding the rubber sealing film.
Optionally, the rubber mold supporting plate includes a column support corresponding to the column position, lap bending plates fixed to both sides of the column support, and lap end plates for connecting the lap bending plates and the side plates.
Optionally, 2N lap bending plates are arranged, one group of N lap bending plates is arranged, and the lap bending plates close to one side of the stand column support are lapped on the stand column; one end of the lap-joint bending plate adjacent to the lap-joint bending plate is lapped on the lap-joint bending plate, and the other end of the lap-joint bending plate is fixedly connected with the side plate, wherein N is a positive integer.
Optionally, a cushion body is arranged outside the barrel, and an emergency rescue hanging bag and an internal hanging cage are arranged inside the barrel.
Optionally, the gas-tight cover is arranged between the side plate and the rubber mold fixing device and used for blocking gas.
Optionally, a vent hole is formed in the vertical plate.
Optionally, an inlet and outlet pipe perpendicular to the barrel is provided on a side of the barrel adjacent to the central floor.
The beneficial effects of the utility model reside in that:
the utility model discloses furthest's utilization current polygon cabinet body sectional area, provide one kind and realized polygon cabinet transformation for the good method of the save investment of the sealed cabinet of maximum volume membrane, construction simple to operate, interior ventilation condition of cabinet under the realistic condition of the biggest manufacturing length of rubber membrane.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural elevation view of a preferred embodiment of a first embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of section I of FIG. 2 (embodiment I);
FIG. 4 is a sectional view taken along line B-B of FIG. 3;
FIG. 5 is a cross-sectional view C-C of FIG. 3;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 7 is an enlarged view of section II of FIG. 9;
FIG. 8 is a cross-sectional view E-E of FIG. 4;
FIG. 9 is an enlarged view of section I of FIG. 2 (embodiment II);
FIG. 10 is a sectional view F-F of FIG. 9;
FIG. 11 is a sectional view taken along line G-G of FIG. 9;
fig. 12 is an enlarged view of section II of fig. 9.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-12, the reference numbers in the figures refer to the following elements: the device comprises a bottom oil ditch 1, a bottom oil ditch bottom plate 1-1, a bottom oil ditch vertical plate 1-2, a central bottom plate 2, an external elevator 3, a side plate 4, a stand column 5, a tank top 6, an emergency rescue hanging bag 7, an internal hanging cage 8, a piston 9, a piston support 9-1, a piston fixing device 9-2 on a rubber membrane, a piston baffle plate 9-3, a piston plate 9-4, a rubber sealing membrane 10, a rubber membrane fixing device 11, sealing angle steel 11-1, corner sealing angle steel 11-2, a corner sealing plate 11-3, a first support structure 11-4, a second support structure 11-5, a fixing device 12, a stand column support 12-1, a side plate support 12-2, a vertical plate 12-3, a lap joint bending plate 12-4, a lap joint end plate 12-5, a sealing plate 13, a vent hole 14, a rain cover 14-1, a rain cover, 14-2 steel wire meshes and an inlet and outlet pipe 15. H in the figure is the total height of the side plate; h is the piston stroke; d is the diameter of the circumscribed circle of the side plate; d is the diameter of an inscribed circle of the side plate; a: an air zone; g: a gas zone.
The existing polygonal gas chamber cylinder is welded by a plurality of bending stiffening type side plates 4 and a plurality of stand columns 5 to form a shape with a regular polygon cross section, so that the existing polygonal gas chamber is called a regular polygon gas chamber, the regular polygon cylinder side plates are connected in the height direction of the plurality of bending stiffening type side plates 4 to form outer-side lap welding seams, the bending stiffening type side plates 4 are lapped on the stand columns 5 for welding, the cylinder is sealed by one external welding seam, and a piston 9 moves up and down in the cylinder of the gas chamber to realize gas storage.
Referring to fig. 1 to 8, in the first embodiment of the present invention: the bottom oil ditch 1, the bottom oil ditch bottom plate 1-1, the bottom oil ditch vertical plate 1-2, the central bottom plate 2, the external elevator 3, the side plate 4, the upright post 5, the tank top 6, the emergency rescue hanging bag 7 and the internal hanging cage 8 can all use polygonal parts in the prior art to dismantle the piston in the prior gas tank, the piston support 9-1 is arranged on the bottom oil ditch 1 and the central bottom plate 2, and the movable connection between the piston and the cylinder body of the gas tank is a rubber sealing membrane 10. The rubber sealing film 10 is currently manufactured to a length of about 25 m. Determining the installation height of a fixing device of a rubber sealing membrane 10 on a cylinder body of the gas chamber on a cabinet body, wherein the rubber sealing membrane 10 naturally droops when no air pressure exists in the chamber, and a piston 9 falls to the ground; when the piston 9 rises, the rubber sealing film 10 is pressed on the cylinder of the gas tank by gas pressure. The cylinder of the existing gas cabinet is polygonal, and a column is arranged at the corner of the cylinder to protrude out of the cabinet, so that the fixing device 12 is arranged at the corner (regular polygonal corner) of the gas cabinet, the number of polygonal sides of the cylinder of the gas cabinet is doubled, and the effective utilization of the sectional area of the gas cabinet is realized. The mounting height of the fixing device 12 is from about 100mm above the rubber die fixing device 11 to the height of the cylinder to which the rubber sealing film 10 can be attached at the maximum stroke of the piston 9.
The fixing device 12 covers the rubber sealing film 10 in the height direction, possibly clings to the height range of the gas cabinet cylinder, and is divided into a plurality of sections, the distance between every two adjacent sections is about 10mm, so that the gas cabinet can be conveniently installed, welded and prevented from corrosion on site, and the gas cabinet with the upright post with poor verticality is convenient to realize site adjustment so as to ensure that the vertical surface of the vertical plate 12-3 is vertical. A gap of about 10mm is kept between each section of the vertical plate 12-3, so that installation, adjustment and ventilation are facilitated. Therefore, the part of the rubber sealing membrane 10, which is tightly attached to the cylinder body, is in the shape of a polygonal horizontal section with the number 2 times that of the edge of the original polygonal cabinet, and particularly consists of the side plates 4 and the vertical plates 12-3, so that the horizontal section of the original polygonal gas cabinet is utilized to the maximum extent, the transformed volume of the large-volume polygonal cabinet under the condition of limiting the manufacturing length of the existing sealing membrane is maximized, and the engineering quantity is saved.
The idea is matched, the fixing device of the rubber mold fixing device 11 on the cabinet body also comprises a polygon which is twice as many as the original polygon cabinet edge and is composed of a sealing angle steel 11-1 and a corner sealing angle steel 11-2 which are directly welded on the side plate 4, and the sealing angle steel 11-2 is supported and seals coal gas. The corner sealing plate 11-3 between the rubber mold fixing device 11 and the original polygonal gas cabinet cylinder body, the first supporting structure 11-4 and the second supporting structure 11-5 are welded and sealed, so that the rubber sealing film 10 at the lower part of the corner sealing angle steel 11-2 is prevented from being attached to the gas cabinet cylinder body. The first support structure 11-4 and the second support structure 11-5 have the function of guiding the rubber sealing film 10. The piston 9 may be circular. And leakage inspection is carried out after the construction of the sealing welding seam near the closing plate 11-3 is finished.
In order to prevent the gas leakage at the lap joint part of the polygonal cabinet side plate 4 and the upright post 5, the gas is welded and separated by a 13 baffle plate in the height direction of the side plate 4, which is the same as the installation height of the second supporting structure 11-5 on the cylinder body; in order to facilitate ventilation in the membrane sealing cabinet, vent holes 14 are arranged on the original side plate at the height above the rubber mold fixing device 11, and the vent holes 14 can be arranged on the fixing device 12 at intervals to facilitate ventilation in the cabinet; the raw gas inlet and outlet pipe is filled with waste materials so as to facilitate the arrangement of the piston support 9-1, and the new gas inlet and outlet pipe 15 adopts a horizontal gas inlet mode, so that the safety is high, and the maintenance is convenient.
Fig. 8-12 show a second embodiment of the present invention, in which a stand support 12-1 is disposed in a polygonal gas holder stand column in the prior art, and can be of a T-shaped structure, and is disposed in a section of several meters, and is welded in the stand column, so as to adapt to the condition that the stand column is not straight, and the stand support 12-1 should be installed first. One end of the lap-joint bending plate 12-4 is lapped on the upright post bracket 12-1, the other end is lapped on the side plate, and the lap-joint bending plate is sequentially arranged from the upright post position along the two sides far away from the upright post. On one hand, the bending structure of the lap joint bending plate 12-4 is beneficial to on-site adjustment, adapts to the deformation of the side plate on different heights, and ensures that the rubber mold fixing device 11 is as uniform as possible in the vertical direction of the polygonal cabinet; on the other hand, the welding and the corrosion prevention of the lap joint bending plate 12-4 are both carried out on the outer side, the operation is convenient, the lap joint bending plate 12-4 can be one section of several meters according to the vertical height of the upright column, and the efficiency can be greatly improved compared with the scheme of the embodiment. The structural form of the lap joint bending plate can be adjusted as required, so that the whole lap joint bending plate is as close as possible to a similar arc shape; the lap end plate 12-5 is the last end plate of the fixing device 12 lapped with the side plate, and is finally installed and directly lapped and welded on the lap bending plate 12-4 and the side plate adjacent to the lap bending plate.
Compared with the first embodiment, the second embodiment has the advantages of simple and convenient forming, strong capability of adapting to vertical errors of the stand column and the side plate (convenient adjustment), convenient welding and corrosion-resistant operation, great improvement of construction efficiency and the like.
Taking the 20-ten-thousand-m 3 polygonal gas chamber as an example, the horizontal section is regular 24-sided, the horizontal section is 2233 square meters, the side length of the side plate of the cylinder body is 7m, under the condition that the domestic manufacturing length of the sealing rubber film is about 25m, the piston stroke of the improved polygonal film sealing gas chamber is about 45m, the gas space at the lower part of the sealing angle steel of the cylinder body is fully utilized, the supporting structure of the sealing rubber film on the cylinder body of the gas chamber is approximately changed into 48-sided under the condition of the first scheme, the horizontal section is about 2220 square meters, and the area is equivalent to the area of the diameter of the inscribed circle of the original polygonal gas chamber, if the gas chamber is improved by adopting the sealing rubber film supporting cylinder with the diameter of the inscribed circle of the original polygonal gas chamber, the; if the sealed rubber membrane supporting cylinder which can be overhauled is adopted, the horizontal sectional area is greatly reduced, and the engineering quantity is larger. The movable connection between the circular piston 9 and the cylinder polygon is a rubber sealing film 10, the piston 9 is about 500mm away from the side plate 4 and the fixing device 12, and due to the large diameter and the large number of sides, the elasticity of the rubber sealing film 10 can compensate the size difference between the polygonal supporting structure formed by the side plate 4 and the fixing device 12 and the circular piston 9. Therefore, the 20-ten-thousand-m 3 polygonal gas holder can be transformed into a 10-ten-thousand-m 3 polygonal film sealed gas holder; the sealing angle steel 11-1 of the corresponding rubber sealing film 10 on the cylinder body is also changed into a 48-edge shape, so that the horizontal sectional area of the existing gas cabinet is fully utilized, the investment is saved, the construction and installation are convenient, and the ventilation condition in the cabinet is good.
Under the condition that the 20-km 3 polygonal gas cabinet cylinder fixing device 12 adopts the scheme two, the upright post bracket 12-1 of the fixing device 12 on the upright post is also recommended to adopt T-shaped steel which is made into a section of several meters so as to be convenient for adapting to the deformation of the upright post; fixing device 12 adopts the hoop overlap joint structure, see figure 12 for details, horizontal sectional area and scheme one are equal (perhaps bigger even), and the on-the-spot adjustment of being convenient for adapts to the not deformation of co-altitude of curb plate, adopt the annular overlap joint of bending type steel sheet to constitute riser 12-3, also can make several meters one section on the vertical height, the section interval is about 10mm, the polygon more than 2 times of former regular polygon gas chamber limit is constituteed to fixing device 12's horizontal cross-section like this, this embodiment compares with the embodiment one and has the component shaping simple and convenient, adaptation stand and curb plate vertical error can the reinforce (be convenient for adjust), welding and anticorrosive convenient operation, advantages such as efficiency of construction improves by a wide margin.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a single segment type membrane canned type gas chamber by polygon gas chamber transformation which characterized in that includes:
the cylinder body is in a regular polygon shape and is formed by splicing a plurality of side plates, and adjacent side plates are fixed through an upright post arranged on the outer side of the cylinder body;
the central bottom plate is arranged at the bottom of the cylinder body;
the bottom oil ditch comprises a bottom oil ditch bottom plate and a bottom oil ditch vertical plate which are enclosed to form a groove surrounding the bottom of the side plate;
the piston is arranged in the cylinder in a sliding manner through a rubber sealing film;
and the rubber mold fixing device is used for fixing the rubber mold sealing film and is arranged in the side plate at a position corresponding to the upright post.
2. The gas holder of the single-stage membrane-seal type reformed from a polygonal gas holder as set forth in claim 1, wherein the rubber mold fixing means comprises a rubber mold support plate and fixing means for fixing the rubber mold support plate inside the side plate.
3. The polygonal reformed single-stage membrane-sealed gas holder according to claim 2, wherein the rubber mold supporting plate comprises a pillar support corresponding to the pillar position, a plurality of side plate supports matching with the side plates, and a vertical plate fixed by the supports.
4. The single-segment membrane-sealed gas holder reformed from a polygonal gas holder according to claim 3, wherein the fixing means comprises a sealing angle fixedly provided on the side plate, a corner sealing angle fixedly provided on the pillar, a corner sealing plate for connecting the corner sealing angle with the side plate, a first supporting structure for connecting the corner sealing plate with the side plate, and a second supporting structure for connecting the corner sealing plate with the pillar; the first and second support structures also serve for guiding the rubber sealing film.
5. The gas holder of claim 2, wherein the rubber mold supporting plate comprises a pillar support having a pillar opposite to the pillar, lap-jointed bent plates fixed to both sides of the pillar support, and lap-jointed end plates for connecting the lap-jointed bent plates to the side plates.
6. The polygonal reformed single-segment membrane-sealed gas holder according to claim 5, wherein the lap-bent plates are provided in a group of 2N, and the lap-bent plate adjacent to one side of the pillar support is lapped on the pillar; one end of the lap-joint bending plate adjacent to the lap-joint bending plate is lapped on the lap-joint bending plate, and the other end of the lap-joint bending plate is fixedly connected with the side plate, wherein N is a positive integer.
7. The gas holder of claim 1, further comprising a sealing plate disposed between the side plate and the rubber mold fixing means, wherein the sealing plate is used for cutting off gas.
8. The polygonal reformed single-stage membrane-sealed gas holder according to claim 3, wherein the vertical plate is provided with a vent hole.
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| CN201921354526.4U CN210771421U (en) | 2019-08-20 | 2019-08-20 | Single-section type membrane sealing type gas chamber transformed from polygonal gas chamber |
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| CN201921354526.4U CN210771421U (en) | 2019-08-20 | 2019-08-20 | Single-section type membrane sealing type gas chamber transformed from polygonal gas chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021032090A1 (en) * | 2019-08-20 | 2021-02-25 | 中冶赛迪工程技术股份有限公司 | Single-section membrane sealed type gas holder transformed from polygonal gas holder |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021032090A1 (en) * | 2019-08-20 | 2021-02-25 | 中冶赛迪工程技术股份有限公司 | Single-section membrane sealed type gas holder transformed from polygonal gas holder |
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