CN109826955B - Sealing system of waste gas concentration device - Google Patents
Sealing system of waste gas concentration device Download PDFInfo
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- CN109826955B CN109826955B CN201910142327.5A CN201910142327A CN109826955B CN 109826955 B CN109826955 B CN 109826955B CN 201910142327 A CN201910142327 A CN 201910142327A CN 109826955 B CN109826955 B CN 109826955B
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Abstract
The invention discloses a sealing system of a waste gas concentration device, wherein the waste gas concentration device comprises a front box body, a rear box body and a rotating wheel, wherein the front box body and the rear box body are respectively arranged on two sides of the rotating wheel in the axial direction of the rotating wheel; sealing system sets up between preceding box and the runner and between back box and the runner, sealing system includes sealing member, first support piece and a plurality of second support piece, first support piece sets up in the front on box and the back box with the runner is coaxial, the sealing member with the coaxial cover of runner is established in first support piece periphery, each second support piece is followed sealing member circumference evenly sets up the periphery at the sealing member. The advantages are that: can realize that the local leakproofness is adjustable, the simplified accommodation process between box and/or back box and the runner before through removing fastener extrusion sealing member, improve the leakproofness between box and the runner simultaneously.
Description
Technical Field
The invention relates to the technical field of organic waste gas treatment, in particular to a sealing system of a waste gas concentration device.
Background
The pharmaceutical industry in China is a major environment pollution household, wherein the waste gas has complex components, serious pollution hazard and irregular waste gas emission, so that the development of a waste gas treatment system with strong adaptability is particularly critical in the field of waste gas treatment in the pharmaceutical industry.
The purification method of the VOCs mainly comprises an adsorption method, a combustion method, a biological purification method, a corona method, a plasma purification method and the like, and different treatment methods are selected according to the type, concentration, air volume, recoverable value and the like of the VOCs so as to better control the pollution of the VOCs. From the current market perspective: the adsorption concentration technology occupies a significant position no matter organic waste gas purification, peculiar smell removal or solvent recovery, and the adsorption method mainly has the characteristics of low construction cost, high removal efficiency, thorough purification, low energy consumption, mature process, capability of recovering the solvent, easiness in popularization and practicability and the like.
The key point of the application of the adsorption method is firstly to select a proper adsorption material as an adsorbent and secondly to how to adopt the adsorbent to develop adsorption equipment with low operation cost and high removal efficiency. At present, an activated carbon adsorption method with large adsorption quantity and easy desorption is considered to be an economic and reasonable process route. In practical industrial application, the waste gas of the VOCs usually contains water vapor, the adsorption performance of the activated carbon is greatly influenced by the water vapor, the regeneration is difficult, secondary pollution is easy to generate, particularly, fire disaster is easy to generate in the regeneration process of hot air flow after saturated adsorption, and the requirements of the current safety production are not met.
At present, a zeolite concentration rotating wheel which is developed by taking a non-combustible high-temperature-resistant zeolite molecular sieve as an adsorbing material is widely applied to the aspect of organic waste gas adsorption concentration as a core component of a waste gas concentration device. The molecular sieve is composed of inorganic oxide, has incombustibility, and has high thermal stability because the crystallinity of the molecular sieve is still unchanged after being roasted for 2 hours at 900 ℃, desorption regeneration can be realized by repeatedly heating, and long service life is ensured. The waste gas concentration device consists of a front box body, a rear box body and a zeolite concentration rotating wheel positioned in the middle of the box bodies. The core step in the assembly process is to fix the rotating wheel between the front and the rear box bodies to keep the rotating wheel rotating stably, and through sealing, the exhaust gas entering the box bodies from the gas inlet passes through the rotating wheel completely without gas leakage. At present, the sealing method is usually adopted, namely, a sealing gasket is firstly fixed on a box body, and then the rotating wheel and the box body are sealed in a mode of changing the relative distance between the box body and the rotating wheel through movement. The operating mode can quickly adjust the distance between the box body and the rotating wheel so as to achieve the aim of sealing.
However, this sealing method has the following disadvantages: firstly, the material of the box body is 304 stainless steel, the wheel with larger diameter is adopted in most cases, the weight of the box body is quite large, and the box body is quite difficult to move; secondly, in most cases, in consideration of transportation and other reasons, a complete rotating wheel is firstly divided into a plurality of fan blades, then the fan blades are transported to the site for assembly, local assembly inequality phenomena cannot be avoided in the assembly process, and the local sealing degree cannot be adjusted by adopting a traditional sealing mode, so that the local sealing is not tight.
Disclosure of Invention
The object of the present invention is to provide a sealing system for an exhaust gas concentration device, which solves the aforementioned problems of the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a sealing system of an exhaust gas concentration device comprises a front box body, a rear box body and a rotating wheel, wherein the front box body and the rear box body are respectively arranged on two sides of the rotating wheel in the axial direction of the rotating wheel; sealing system sets up preceding box with between the runner and back box with between the runner, sealing system includes sealing member, first support piece and a plurality of second support piece, first support piece with the coaxial setting of runner is in preceding box with on the back box, the sealing member with the coaxial cover of runner is established first support piece periphery, each second support piece is followed sealing member circumference evenly sets up the periphery of sealing member.
Preferably, the first supporting piece is arranged on one side, close to the rotating wheel, of the front box body and one side, close to the rotating wheel, of the rear box body, the first supporting piece is of a cylindrical tubular structure, and the first supporting piece is fixedly welded with the front box body and the rear box body.
Preferably, the sealing member includes supporting part and sealing part of coaxial setting, the supporting part is cylindrical tubular structure, the sealing part is round platform shape tubular structure, the supporting part with the internal diameter of sealing part equals, the supporting part with the great one end of sealing part external diameter links to each other, the supporting part with sealing part integrated into one piece.
Preferably, the supporting part and the rotating wheel are coaxially sleeved on the periphery of the first supporting part, and the sealing part is in contact with the rotating wheel.
Preferably, the second supporting member includes a first blocking portion and a second blocking portion, the first blocking portion is in an arc-shaped sheet structure, and the first blocking portion protrudes and extends outward along a radial direction of one end of the first blocking portion in an axial direction to form the second blocking portion; the second supporting piece is arranged on the periphery of the sealing piece, the first blocking portion is correspondingly attached to the periphery of the supporting portion, and the second blocking portion is correspondingly attached to one side, close to the supporting portion, of the sealing portion.
Preferably, a plurality of installation long holes are uniformly formed in the first supporting piece along the circumferential direction of the first supporting piece, the installation long holes extend along the axial direction of the first supporting piece, and two ends of the installation long holes in the axial direction of the first supporting piece are respectively spaced from two ends of the first supporting piece by a certain distance.
Preferably, a plurality of first mounting holes are formed in the supporting portion along the circumferential direction of the supporting portion, and the first mounting holes are arranged corresponding to the mounting long holes.
Preferably, a second mounting hole is formed in the second supporting member, the second mounting hole is formed in the first blocking portion, the size of the second mounting hole is the same as that of the first mounting hole, and the second mounting hole is arranged corresponding to the first mounting hole; the fastener penetrates through the second mounting hole, the first mounting hole and the mounting long hole to fixedly connect the first support piece, the sealing piece and the second support piece; the fastener is movable in the mounting slot in the direction of the runner axis.
Preferably, the seal is made of a high temperature resistant composite material; the sealing part is provided with an annular cavity along the circumferential direction of the sealing part, and the annular cavity and the inner wall and the outer wall of the sealing part are spaced at a certain distance.
The invention has the beneficial effects that: 1. the operation is simple, labor-saving and convenient; the laminating degree of the sealing part of sealing member and runner can only be transferred through the position of adjusting the fastener, has changed traditional sealing mode and has passed through the mode of adjustment box position adjustment leakproofness, reduces manpower and materials's input. 2. The problem of among the prior art sealed local unadjustable condition is solved, the leakproofness between improvement box and the runner.
Drawings
FIG. 1 is a schematic structural view of an exhaust gas concentration device in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a sealing system in an embodiment of the present invention;
fig. 3 is a schematic structural view of a sealing member in an embodiment of the present invention.
In the figure: 1. a front box body; 2. a rear box body; 3. a sealing system; 4. a first support member; 41. installing a long hole; 5. a seal member; 51. a support portion; 52. a sealing part; 53. a first mounting hole; 54. an annular cavity; 6. a second support member; 61. a first blocking portion; 62. a second blocking portion; 63. a second mounting hole; 7. a fastener; 8. a rotating wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the present invention provides a sealing system 3 of an exhaust gas concentration device, the exhaust gas concentration device including a front tank 1, a rear tank 2, and a runner 8, the front tank 1 and the rear tank 2 being respectively disposed at both sides of the runner 8 in an axial direction thereof; sealing system 3 sets up between preceding box 1 and the runner 8 and between back box 2 and the runner 8, sealing system 3 includes sealing member 5, first support piece 4 and a plurality of second support piece 6, first support piece 4 and the coaxial setting of runner 8 are on preceding box 1 and back box 2, sealing member 5 with the coaxial cover of runner 8 is established in first support piece 4 periphery, second support piece 6 is followed 5 circumference of sealing member evenly sets up the periphery at sealing member 5. Elastic deformation can take place for sealing member 5, to the direction removal that is close to runner 8, and then realize the adjustment of the local leakproofness between runner 8 and the box, simplify the sealed adjustment process between preceding box 1, back box 2 and the runner 8, realize that local leakproofness is adjustable, better satisfying actual demand.
In this embodiment, the first supporting member 4 is disposed on one side of the front box 1 and the rear box 2 close to the rotating wheel 8, the first supporting member 4 is a cylindrical tubular structure, and the inner diameter of the first supporting member 4 is equal to the diameter of the rotating wheel 8. The first supporting piece 4 is in butt joint with the rotating wheel 8, the first supporting piece 4 is welded on one side, close to the rotating wheel 8, of the front box body 1 and one side, close to the rotating wheel 8, of the rear box body 2, and the first supporting piece 4 is in welded connection with the front box body 1 and the rear box body 2.
In this embodiment, the sealing member 5 includes a supporting portion 51 and a sealing portion 52 that are coaxially disposed, the supporting portion 51 is a cylindrical tubular structure, the sealing portion 52 is a truncated cone-shaped tubular structure, the inner diameters of the supporting portion 51 and the sealing portion 52 are equal, the supporting portion 51 is connected to one end of the sealing portion 52 with a larger outer diameter, and the supporting portion 51 and the sealing portion 52 are integrally formed. The sealing element 5 is sleeved on the periphery of the first supporting element 4, and the first supporting element provides support for the sealing element 5.
In this embodiment, the supporting portion 51 and the rotating wheel 8 are coaxially sleeved on the periphery of the first supporting member 4, and the sealing portion 52 is in contact with the rotating wheel 8. The sealing portion 52 is close to the runner 8, and the second supporting member 6 presses the sealing portion 52 to deform the sealing portion 52 in a direction close to the runner 8, thereby improving the sealing property between the tank and the runner 8.
In this embodiment, the second supporting member 6 includes a first blocking portion 61 and a second blocking portion 62, the first blocking portion 61 is an arc-shaped sheet structure, and the first blocking portion 61 protrudes and extends outward along the radial direction at one end of the first blocking portion 61 in the axial direction to form the second blocking portion 62; the second supporting member 6 is disposed on the periphery of the sealing member 5, and the first blocking portion 61 is correspondingly attached to the periphery of the supporting portion 51, and the second blocking portion 62 is correspondingly attached to one side of the sealing portion 52 close to the supporting portion 51. First barrier 61 sets up in the periphery of sealing member 5, is supported by first support piece 4, and second barrier 62 corresponds the laminating with sealing 52, for sealing member 5 provides the support, when second barrier 62 extrusion sealing 52, can make sealing 52 along 8 axial direction compression deformation of runner, better and runner 8 laminating, improve the leakproofness between box and the runner 8. The second supporting pieces 6 are arranged along the circumferential direction of the supporting portion 51 of the sealing piece 5, the second supporting pieces 6 are independent from each other, local sealing performance between the box body and the rotating wheel 8 is convenient to achieve and adjustable, when leakage occurs at a certain position of the box body and the rotating wheel 8, the second supporting pieces 6 corresponding to the certain position can be found, the second supporting pieces 6 are driven to move towards the direction close to the rotating wheel 8, deformation of the sealing piece 5 at the position is achieved, and sealing performance at the position is improved.
In this embodiment, the first support member 4 is uniformly provided with a plurality of mounting long holes 41 along the circumferential direction thereof, the mounting long holes 41 extend along the axial direction of the first support member 4, and both ends of the mounting long holes 41 in the axial direction of the first support member 4 are respectively spaced from both ends of the first support member 4 by a certain distance; a plurality of first mounting holes 53 are formed in the supporting portion 51 along the circumferential direction of the supporting portion, and the first mounting holes 53 are arranged corresponding to the mounting long holes 41; a second mounting hole 63 is formed in the second support member 6, the second mounting hole 63 is formed in the first blocking portion 61, the size of the second mounting hole 63 is the same as that of the first mounting hole 53, and the second mounting hole 63 is arranged corresponding to the first mounting hole 53; the fastener 7 fixedly connects the first support 4, the sealing member 5 and the second support 6 through the second mounting hole 63, the first mounting hole 53 and the mounting long hole 41; the fastening member 7 is movable in the mounting slot 41 in the direction of the axis of the runner 8. The installation long hole 41 is arranged to enable the fastening piece 7 to move in the installation long hole 41 along the axial direction of the rotating wheel 8, and further to push the second supporting piece 6 to press the sealing piece 5, so that the sealing piece 5 is deformed, and the sealing performance between the box body and the rotating wheel 8 is adjusted. The reason why the diameters of the first mounting hole 53 and the second mounting hole 63 are the same is to ensure that when the fastening member 7 moves, the second supporting member 6 and the sealing member 5 move in the direction close to the runner 8 at the same time, and the sealing member 5 moves in the direction close to the runner 8 as well as being subjected to extrusion deformation, thereby further improving the sealing performance of the box body between the runners 8.
In this embodiment, the fastening member 7 includes a bolt and a nut, the bolt sequentially passes through the second mounting hole 63, the first mounting hole 53 and the mounting long hole 41 from top to bottom and then is fixed to the nut in a threaded engagement manner, so as to fixedly connect the first support member 4, the second support member 6 and the sealing member 5.
In the present embodiment, the sealing member 5 is made of a high temperature resistant composite material; the sealing portion 52 is provided with an annular cavity 54 along the circumference thereof, and the annular cavity 54 is spaced apart from both the inner wall and the outer wall of the sealing portion 52. So that the box body can be better elastically deformed when being extruded, and the tightness between the box body and the rotating wheel 8 can be better adjusted. By adopting the technical scheme disclosed by the invention, the following beneficial effects are obtained:
by providing the sealing system of the waste gas concentration device, the sealing system has the advantages of labor saving, convenience and rapidness in the adjusting process, large local adjustability and better sealing performance. Through setting up first support piece, second support piece and sealing member, make the leakproofness local adjustable between box and the runner, changed traditional mode through adjustment box and runner relative position, changed the condition of leakproofness between box and the runner, easy operation saves trouble laborsaving, still has good leakproofness simultaneously.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.
Claims (8)
1. A sealing system of an exhaust gas concentration device comprises a front box body, a rear box body and a rotating wheel, wherein the front box body and the rear box body are respectively arranged on two sides of the rotating wheel in the axial direction of the rotating wheel; the method is characterized in that: the sealing system is arranged between the front box body and the rotating wheel and between the rear box body and the rotating wheel, the sealing system comprises a sealing element, a first supporting piece and a plurality of second supporting pieces, the first supporting piece and the rotating wheel are coaxially arranged on the front box body and the rear box body, the sealing element and the rotating wheel are coaxially sleeved on the periphery of the first supporting piece, and the second supporting pieces are uniformly arranged on the periphery of the sealing element along the circumferential direction of the sealing element;
the sealing member includes supporting part and the sealing portion of coaxial setting, the supporting part is cylindrical tubular structure, the sealing portion is round platform shape tubular structure, the supporting part with the internal diameter of sealing portion equals, the supporting part with the great one end of sealing portion external diameter links to each other, the supporting part with sealing portion integrated into one piece.
2. The sealing system of an exhaust gas concentrator as claimed in claim 1, wherein: the first supporting piece is arranged on one side, close to the rotating wheel, of the front box body and one side, close to the rotating wheel, of the rear box body, the first supporting piece is of a cylindrical tubular structure, and the first supporting piece is fixedly welded with the front box body and the rear box body.
3. The sealing system of an exhaust gas concentrator as claimed in claim 1, wherein: the supporting part and the rotating wheel are coaxially sleeved on the periphery of the first supporting part, and the sealing part is in contact with the rotating wheel.
4. The sealing system of an exhaust gas concentrator as claimed in claim 1, wherein: the second supporting piece comprises a first blocking part and a second blocking part, the first blocking part is of an arc-shaped sheet structure, and the first blocking part protrudes outwards along the radial direction of one end of the first blocking part in the axial direction to form the second blocking part; the second supporting piece is arranged on the periphery of the sealing piece, the first blocking portion is correspondingly attached to the periphery of the supporting portion, and the second blocking portion is correspondingly attached to one side, close to the supporting portion, of the sealing portion.
5. The sealing system of an exhaust gas concentration device according to claim 4, wherein: the first support piece is evenly provided with a plurality of installation slot holes along its circumference, the installation slot hole extends along the axis direction of first support piece, just the installation slot hole is in both ends on the first support piece axis direction respectively with the both ends of first support piece are at a certain distance apart.
6. The sealing system of an exhaust gas concentration device according to claim 5, wherein: a plurality of first mounting holes are formed in the supporting portion along the circumferential direction of the supporting portion, and the first mounting holes correspond to the mounting long holes.
7. The sealing system of an exhaust gas concentrator as set forth in claim 6, wherein: a second mounting hole is formed in the second supporting piece, the second mounting hole is formed in the first blocking portion, the size of the second mounting hole is the same as that of the first mounting hole, and the second mounting hole is arranged corresponding to the first mounting hole; a fastener passes through the second mounting hole, the first mounting hole and the mounting long hole to fixedly connect the first support, the sealing member and the second support; the fastener is movable in the mounting slot in the direction of the runner axis.
8. The sealing system of an exhaust gas concentration device according to claim 1, wherein: the sealing element is made of high-temperature-resistant composite material; the sealing part is provided with an annular cavity along the circumferential direction of the sealing part, and the annular cavity and the inner wall and the outer wall of the sealing part are spaced at a certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142327.5A CN109826955B (en) | 2019-02-26 | 2019-02-26 | Sealing system of waste gas concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142327.5A CN109826955B (en) | 2019-02-26 | 2019-02-26 | Sealing system of waste gas concentration device |
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| Publication Number | Publication Date |
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| CN109826955A CN109826955A (en) | 2019-05-31 |
| CN109826955B true CN109826955B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910142327.5A Active CN109826955B (en) | 2019-02-26 | 2019-02-26 | Sealing system of waste gas concentration device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332311B (en) * | 2019-06-20 | 2020-04-24 | 中国航发贵州黎阳航空动力有限公司 | Assembling method of B-shaped rubber sealing structure |
| CN112824203A (en) * | 2019-11-21 | 2021-05-21 | 中车唐山机车车辆有限公司 | Railway vehicle and carriage thereof |
| CN111644018B (en) * | 2020-08-06 | 2020-11-13 | 湖南中车环境工程有限公司 | VOC rotary adsorption tower |
| CN111729473B (en) * | 2020-08-24 | 2020-12-25 | 湖南中车环境工程有限公司 | Workshop waste gas dust removal purification system |
| CN112728085B (en) * | 2020-12-28 | 2021-10-15 | 中科新天地（合肥）环保科技有限公司 | Sealing structure for runner air chamber |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1369627B1 (en) * | 2000-03-30 | 2013-03-13 | Nichias Corporation | Sealing device for rotary adsorber |
| JP2004100940A (en) * | 2002-07-18 | 2004-04-02 | Daikin Ind Ltd | Sealing device and absorber furnished with it |
| CN1301778C (en) * | 2004-01-16 | 2007-02-28 | 株式会社西部技研 | Rotary gas adsorption and concentration apparatus |
| US7753995B2 (en) * | 2007-12-11 | 2010-07-13 | Seibu Giken Co., Ltd. | Gas concentrator |
| JP6276083B2 (en) * | 2014-03-26 | 2018-02-07 | 株式会社西部技研 | Rotary gas adsorption concentrator |
| CN204469500U (en) * | 2015-02-10 | 2015-07-15 | 青岛华世洁环保科技有限公司 | For the pulsating whirligig of Adsorption Concentration organic exhaust gas |
| CN204469499U (en) * | 2015-02-10 | 2015-07-15 | 青岛华世洁环保科技有限公司 | A kind of emission-control equipment for Adsorption Concentration |
| CN207614595U (en) * | 2017-11-18 | 2018-07-17 | 上海同璞环保科技有限公司 | A kind of anti-gas leakage system of zeolite runner |
| CN207622172U (en) * | 2017-11-24 | 2018-07-17 | 浙江捷峰环境科技有限公司 | Two plane type runner seals structure |
| CN207777622U (en) * | 2017-12-29 | 2018-08-28 | 杭州捷瑞空气处理设备有限公司 | Sealing device on dehumidifier runner |
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2019
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