CN103055765B - Dedicated gas preparation device of vapour-pressure type multi-rod driving piston - Google Patents
Dedicated gas preparation device of vapour-pressure type multi-rod driving piston Download PDFInfo
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- CN103055765B CN103055765B CN201210572232.5A CN201210572232A CN103055765B CN 103055765 B CN103055765 B CN 103055765B CN 201210572232 A CN201210572232 A CN 201210572232A CN 103055765 B CN103055765 B CN 103055765B
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Abstract
The invention discloses a dedicated gas preparation device of a vapour-pressure type multi-rod driving piston. The technical problem of that the material pressing force of the dedicated gas preparation device is not enough at present is resolved. The dedicated gas preparation device of the vapour-pressure type multi-rod driving piston comprises a container opening upwards. A seal cover covers an opening of the container. The dedicated gas preparation device of the vapour-pressure type multi-rod driving piston is characterized in that a head cover with an inner cavity is fixedly connected on the seal cover, a big piston and a small piston are respectively arranged in a container cavity of the container and the head cover cavity of the head cover, wherein the big piston and the small piston move up and down along walls of the cavities. A connecting rod is arranged between the seal cover and the head cover. The connecting rod penetrates through the small piston. The head cover cavity is divided into an upper hollow cavity and a lower hollow cavity by the small piston. The upper hollow cavity is communicated with a pressure gas inlet. The dedicated gas preparation device of the vapour-pressure type multi-rod driving piston is capable of providing larger material pressure force and particularly suitable for a large-size tower structure. And the pressure can be adjusted, and the piston always follows the materials and the materials can be compacted by the piston. Channeling dynamic gaps can be avoided.
Description
Technical field
The present invention relates to the technical field that special gas prepares container, especially a kind of special gas preparation facilities of vapour-pressure type many bars driven plunger.
Background technology
The container preparing the special gas such as nitrogen, oxygen is within it after filler particles shape material, need to compress from top material and dynamically eliminate the space that material moves down, such as nitrogen processed, oxygenerator, absorption type purification for gas drying machine etc.,, by the adsorbent in container, adsorbing separation is done to gas, if the carbon molecular sieve in varying-voltage adsorption nitrogen machine tower body (container) is to the oxygen molecule Preferential adsorption in input air, makes nitrogen molecular enrichment in gas phase and produce nitrogen.In production, need to compress from top the granulated sorbent loaded in tower body, the thrust of these equipment requirements is large, for compressing the pistons work pressure of material generally at 0.4-0.8Mpa in container, namely the pressure that piston is subject to is about 2800-5600kg, conventional spring compression structure is difficult to provide so large operating pressure, especially when granular material moves down because of work, (volume reduces, packing increases), the space needing piston thereupon to move down to eliminate material to move down, material is avoided mutually to clash into because there is play gap and occur powdered, lose the function of preparation special gas.
Summary of the invention
The object of the invention is the special gas preparation facilities that a kind of vapour-pressure type many bars driven plunger is provided to solve above-mentioned the deficiencies in the prior art, larger material thrust can be provided for particular device, and pressure adjustable, make piston follow material all the time by its compacting, avoid occurring play gap.
In order to achieve the above object, the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger designed by the present invention, comprise the container of a upward opening, the opening part of described container covers a capping, it is characterized in that the top cover of an affixed band inner chamber in described capping, the large piston moved up and down along chamber wall and a valve piston is respectively equipped with in the container chamber of described container and the top cover chamber of top cover, described large piston and valve piston are vertically arranged by symmetry and the drive link of energy upper and lower displacement is connected, a connecting rod is provided with between described capping and top cover, described connecting rod is through valve piston, top cover chamber is divided into upper plenum and lower cavity by described valve piston, described upper plenum is communicated with a pressed gas import.Pressed gas import is for being communicated with the source of the gas descending air pressure to be all more than or equal to cavity internal gas pressure under container chamber and top cover in working order, valve piston is made to be in by the past state pressed down, valve piston drives large piston to compress material in container downwards by drive link again, larger material thrust can be provided for particular device, and pressure adjustable, piston is made to follow material all the time by its compacting, avoid occurring play gap, and large piston and valve piston carry out transmission by single drive link, structure is simple, avoid because many drive link depression distance are unequal and cause large piston run-off the straight, material lost efficacy from revealing between large piston and container inner wall, even equipment cannot work.
Improving further and supplementing as said structure, the present invention also comprises any combination of following additional technical feature or these features:
Described upper vessel portion sets firmly the inner sleeve that is less than inside diameter of vessel, and described top cover is fixed in capping by securing member, and securing member can be bolt etc.
The lower end of described inner sleeve is tightly connected by an annular flange flange and container inner wall, described large piston is arranged in inner sleeve, between the top of described inner sleeve and capping, there is gap, cavity of giving vent to anger is left between the top of described inner sleeve and container side wall, described gas vent is arranged on container side wall and is positioned at the top of inner sleeve and seal of vessel junction, described gap, give vent to anger cavity and gas outlet forms outlet passageway, gas through purifying or drying is discharged through outlet passageway, this outlet passageway overcomes outlet pipe upper end in the past and is overlapped on large piston, other end connecting container sidewall venthole, the defect of not easily assembling when covering tightly, and do not affect the movement of large piston.
Described pressed gas import is by wireway connection container chamber, the check valve that only can make pressed gas upwards Cavity Flow described wireway is equipped with, when the air pressure in container chamber is less than the air pressure in top cover upper plenum, valve piston drives large piston to compress container contents downwards; When the air pressure in container chamber is greater than the air pressure in top cover upper plenum, gas in container chamber enters top cover upper plenum by wireway, make top cover upper plenum equal with the air pressure in container chamber, no matter how container internal gas pressure changes, and remains that large piston compresses the state of material downwards.
Described pressed gas import is communicated with a peripheral hardware source of the gas by wireway, and the air pressure of source of the gas can set according to actual needs, makes large piston remain the state compressing material downwards.
Between described large piston and inner sleeve, be equipped with sealing ring between valve piston and top cover, good sealing effect, avoid the leakage of material, sealing ring can multiple tracks setting up and down, further lift-off seal.
The center of described valve piston has through hole, described connecting rod is through through hole and be provided with sealing ring connecting rod and hole wall, the upper end of described connecting rod is embedded in the center of top cover inner top surface, the lower end of described connecting rod be placed in be fixed in the outer end face center of capping accommodating circle in, connecting rod two ends all spacingly to be positioned by outer, good positioning effect, not easily offset, and be arranged on the center of large piston and valve piston, when large piston and valve piston promote downwards, not easily occurred level skew.
Described drive link has two and connecting rod is symmetrical arranged relatively, transmission stability is better, the described "T"-shaped positioning sleeve of drive link overcoat one also runs through capping, conflict in capping in the step place of described "T"-shaped positioning sleeve, sealing ring is provided with between described positioning sleeve and drive link, good sealing effect, avoids container to leak gas.
Described drive link is equipped with limitation travel switch, described limitation travel switch is electrically connected through the alarm of wire with described container peripheral hardware, and when container works as gas treatment tower, the material in container can slow loss, after loss, volume of material reduces, and large piston is to bottom offset; Move to beyond certain distance, described limitation travel switch energizes alarm is reported to the police, and prompting should quit work or add materials in container.Alarm can be acousto-optic type alarm.
The sidewall of described lower vessel portion is provided with discharge port, easy-unloading; Described wireway is equipped with air gauge, and filter is equipped with at the wireway mouth of pipe place be in container chamber, avoids the material entering leakage in top cover chamber; Palm fibre pad and upper steel wire is provided with from top to bottom below described large piston; Be provided with the arch sieve plate of the lower steel wire of band in the chamber of described lower vessel portion, the bottom of described container is provided with air distributor, and arch sieve plate effectively can strengthen weight capacity, and air distributor is beneficial to the diffusion of gas, provides adsorption capacity.
The special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger that the present invention obtains, adopt and promote large piston by the single drive link of air cylinder driven and compress material in container downwards, larger material thrust can be provided, be specially adapted to large scale tower structure, and pressure adjustable, make piston follow material all the time by its compacting, avoid occurring play gap, and ensure moving up and down of the effective control piston of guide post, improve and compress effect, avoid the defect that tilting of the piston brings.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Fig. 3 is the enlarged drawing of part B in Fig. 1;
Fig. 4 is the enlarged drawing of C part in Fig. 1.
In figure: arch sieve plate, the accommodating circle of 19-, 20-air distributor, 21-material, 22-filter, 23-wireway, 24-annular flange flange, the 25-connecting rod of 1-container, 2-top cover, the large piston of 3-, 4-valve piston, 5-drive link, the import of 6-pressed gas, 7-check valve, 8-gas vent, 9-gas feed, 10-capping, 11-inner sleeve, 12-sealing ring, 13-positioning sleeve, 14-limitation travel switch, 15-discharge port, 16-palm fibre pad, the lower steel wire of the upper steel wire of 17-, 18-band.
Detailed description of the invention
Below by embodiment, the invention will be further described by reference to the accompanying drawings.
As Figure 1-Figure 4, the special gas preparation facilities of vapour-pressure type many bars driven plunger that the present embodiment describes, comprise the container 1 of a upward opening, the opening part of described container 1 covers a capping 10, the top cover 2 of an affixed band inner chamber in described capping 10, the large piston 3 moved up and down along chamber wall and a valve piston 4 is respectively equipped with in the container chamber of described container 1 and the top cover chamber of top cover 2, described large piston 3 and valve piston 4 are vertically arranged by symmetry and the drive link 5 of energy upper and lower displacement is connected, a connecting rod 25 is provided with between described capping 10 and top cover 2, described connecting rod 25 is through valve piston 4, top cover chamber is divided into upper plenum and lower cavity by described valve piston 4, described upper plenum is communicated with a pressed gas import 6, described pressed gas import is by wireway 23 connection container chamber, the check valve 7 that only can make pressed gas upwards Cavity Flow described wireway is equipped with, atmospheric pressure is can be in lower cavity, air pressure in upper plenum and container chamber is generally far longer than atmospheric pressure, when being less than the air pressure in upper plenum when the air pressure in container chamber, valve piston 4 drives large piston 3 to compress container contents downwards, when being greater than the air pressure in upper plenum when the air pressure in container chamber, gas in container chamber enters upper plenum by wireway, make upper plenum equal with the air pressure in container chamber, no matter how container chamber internal gas pressure changes, and remains that large piston 3 compresses the state of material downwards.
Described upper vessel portion sets firmly the U-shaped inner sleeve 17 that internal diameter is less than inside diameter of vessel, the lower end of described inner sleeve 11 is connected with container 1 inner wall sealing by an annular flange flange 24, described large piston 4 is arranged in inner sleeve 11, between the top of described inner sleeve 11 and capping 10, there is gap, cavity of giving vent to anger is left between the top of described inner sleeve 11 and container 1 sidewall, described gas vent 8 is arranged on container 1 sidewall and is positioned at inner sleeve 11 and container 1 and to be tightly connected the top located, described gap, cavity of giving vent to anger is communicated with formation outlet passageway with gas vent 8, gas enters container chamber from gas feed 9, through the absorption of material 21, discharge from the pore of large piston 3 subsequently, again outside outlet passageway amount discharge container.
The center of described valve piston 4 has through hole, described connecting rod 25 is through through hole and be provided with sealing ring connecting rod 25 and hole wall, the upper end of described connecting rod 25 is embedded in the center of top cover 2 inner top surface, the lower end of described connecting rod 25 be placed in be fixed in capping 10 outer end face center accommodating circle 19 in.Described drive link 5 has two and connecting rod 25 is symmetrical arranged relatively, transmission stability is better, the described "T"-shaped positioning sleeve 13 of drive link 5 overcoat one also runs through capping, conflict in capping 10 in the step place of described "T"-shaped positioning sleeve 13, sealing ring is provided with, good airproof performance between described positioning sleeve 13 and drive link 5.
Described drive link 5 is equipped with limitation travel switch 14, and described travel switch 14 is electrically connected through the alarm of wire with described container peripheral hardware.The sidewall of described container 1 bottom is provided with discharge port 15; Described wireway 23 is equipped with air gauge, and filter 22 is equipped with at the wireway mouth of pipe place be in container chamber; Palm fibre pad 16 and upper steel wire 17 is provided with from top to bottom below described large piston 3; Be provided with the arch sieve plate 18 of the lower steel wire of band in the chamber of described container 1 bottom, the bottom of described container 1 is provided with air distributor 20.
The pressed gas import 6 of the technical program is also communicated with a peripheral hardware source of the gas by wireway, sets the atmospheric pressure value of source of the gas according to actual needs, large piston is remained and compresses material state downwards.
Claims (8)
1. the special gas preparation facilities of vapour-pressure type many bars driven plunger, comprise the container (1) of a upward opening, the opening part of described container (1) covers a capping (10), it is characterized in that the top cover (2) of the upper affixed band inner chamber of described capping (10), the large piston (3) moved up and down along chamber wall and a valve piston (4) is respectively equipped with in the container chamber of described container (1) and the top cover chamber of top cover (2), described large piston (3) and valve piston (4) are vertically arranged by symmetry and the drive link (5) of energy upper and lower displacement is connected, a connecting rod (25) is provided with between described capping (10) and top cover (2), described connecting rod (25) is through valve piston (4), top cover chamber is divided into upper plenum and lower cavity by described valve piston (4), described upper plenum is communicated with a pressed gas import (6), described container (1) top sets firmly the inner sleeve (11) being less than inside diameter of vessel, and described top cover (2) is fixed in capping (10) by securing member, the lower end of described inner sleeve (11) is connected with container (1) inner wall sealing by an annular flange flange (24), described large piston is arranged in inner sleeve (11), between the top of described inner sleeve (11) and capping (10), there is gap, cavity of giving vent to anger is left between the top of described inner sleeve (11) and container (1) sidewall, described gas vent (8) is arranged on container (1) sidewall and is positioned at inner sleeve (11) and container (1) and to be tightly connected top locate, and described gap, cavity of giving vent to anger are communicated with formation outlet passageway with gas vent (8).
2. the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger according to claim 1, it is characterized in that described pressed gas import (6) is by wireway (23) connection container chamber, described wireway (23) is equipped with the check valve (7) that only can make pressed gas upwards Cavity Flow.
3. the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger according to claim 1, is characterized in that described pressed gas import (6) is communicated with a peripheral hardware source of the gas by wireway (23).
4. the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger according to claim 1, is characterized in that between described large piston (3) and inner sleeve (11), is equipped with sealing ring between valve piston (4) and top cover (2).
5. according to the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger described in claim 1, it is characterized in that the center of described valve piston (4) has through hole, described connecting rod (25) is through through hole and be provided with sealing ring connecting rod (25) and hole wall, the upper end of described connecting rod (25) is embedded in the center of top cover (2) inner top surface, the lower end of described connecting rod (25) be placed in be fixed in capping (10) outer end face center accommodating circle (19) in.
6. according to the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger described in claim 1, it is characterized in that described drive link (5) has two and connecting rod (25) is symmetrical arranged relatively, the described "T"-shaped positioning sleeve of drive link (5) overcoat one (13) also runs through capping, conflicting in capping (10) in the step place of described "T"-shaped positioning sleeve (13), is provided with sealing ring between described positioning sleeve (13) and drive link (5).
7. according to the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger described in claim 6, it is characterized in that described drive link (5) is equipped with limitation travel switch (14), described travel switch (14) is electrically connected through the alarm of wire with described container peripheral hardware.
8. the special gas preparation facilities of a kind of vapour-pressure type many bars driven plunger according to claim 2, is characterized in that the sidewall of described container (1) bottom is provided with discharge port (15); Described wireway (23) is equipped with air gauge, and filter (22) is equipped with at the wireway mouth of pipe place be in container chamber; Described large piston (3) below is provided with palm fibre pad (16) and upper steel wire (17) from top to bottom; Be provided with the arch sieve plate (18) of the lower steel wire of band in the chamber of described container (1) bottom, the bottom of described container (1) is provided with air distributor (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210572232.5A CN103055765B (en) | 2012-12-25 | 2012-12-25 | Dedicated gas preparation device of vapour-pressure type multi-rod driving piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210572232.5A CN103055765B (en) | 2012-12-25 | 2012-12-25 | Dedicated gas preparation device of vapour-pressure type multi-rod driving piston |
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| Publication Number | Publication Date |
|---|---|
| CN103055765A CN103055765A (en) | 2013-04-24 |
| CN103055765B true CN103055765B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210572232.5A Active CN103055765B (en) | 2012-12-25 | 2012-12-25 | Dedicated gas preparation device of vapour-pressure type multi-rod driving piston |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115648495B (en) * | 2022-12-27 | 2023-03-21 | 湖南神禹应急科技有限公司 | Forming die for machining nano coating pump blade |
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| CN2868393Y (en) * | 2005-12-29 | 2007-02-14 | 杭州正大空分设备制造有限公司 | Self-operated filler compacting device |
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| CN201823438U (en) * | 2010-08-23 | 2011-05-11 | 杭州普菲科空分设备有限公司 | Automatic stepping-down alarm pressing device |
| CN201959701U (en) * | 2011-01-18 | 2011-09-07 | 杭州吉大空分设备有限公司 | Dynamic air-cylinder compressing device |
| CN202579435U (en) * | 2012-05-17 | 2012-12-05 | 杭州鼎岳空分设备有限公司 | Compression cylinder configured at adsorption tower |
| CN202951455U (en) * | 2012-12-25 | 2013-05-29 | 杭州盛大高科技机电有限公司 | Gas preparation device specially used for gas pressure type multi-rod driving piston |
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2012
- 2012-12-25 CN CN201210572232.5A patent/CN103055765B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868393Y (en) * | 2005-12-29 | 2007-02-14 | 杭州正大空分设备制造有限公司 | Self-operated filler compacting device |
| CN201023020Y (en) * | 2007-03-09 | 2008-02-20 | 杭州天利空分设备制造有限公司 | Adsorption tower for composite bed structure |
| CN201823438U (en) * | 2010-08-23 | 2011-05-11 | 杭州普菲科空分设备有限公司 | Automatic stepping-down alarm pressing device |
| CN201815221U (en) * | 2010-10-21 | 2011-05-04 | 杭州吉大空分设备有限公司 | Top accumulation fountain type gas collection device |
| CN201959701U (en) * | 2011-01-18 | 2011-09-07 | 杭州吉大空分设备有限公司 | Dynamic air-cylinder compressing device |
| CN202579435U (en) * | 2012-05-17 | 2012-12-05 | 杭州鼎岳空分设备有限公司 | Compression cylinder configured at adsorption tower |
| CN202951455U (en) * | 2012-12-25 | 2013-05-29 | 杭州盛大高科技机电有限公司 | Gas preparation device specially used for gas pressure type multi-rod driving piston |
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| CN103055765A (en) | 2013-04-24 |
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