CN203147788U - Double-cavity sealing isolation door with single door plate - Google Patents
Double-cavity sealing isolation door with single door plate Download PDFInfo
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- CN203147788U CN203147788U CN 201320020966 CN201320020966U CN203147788U CN 203147788 U CN203147788 U CN 203147788U CN 201320020966 CN201320020966 CN 201320020966 CN 201320020966 U CN201320020966 U CN 201320020966U CN 203147788 U CN203147788 U CN 203147788U
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Abstract
The utility model relates to sealing equipment for smoke flues of thermal power plants, in particular to a double-cavity sealing isolation door with a single door plate. The double-cavity sealing isolation door is characterized in that a cylinder is mounted on a cover plate on the top of a frame, a piston rod of the cylinder is connected with the upper end of the door plate, door plate rollers are arranged on side surfaces of the door plate, frame sealing seats are arranged on the frame, frame side surface sealing plates are arranged on the frame sealing seats, a door plate bottom sealing plate is arranged at the bottom of the door plate, a semicircular groove is arranged at the bottom of the frame and is opposite to the door plate bottom sealing plate, frame middle sealing plates are arranged on the frame and correspond to the upper side of a smoke flue, channel steel structures are respectively arranged on the upper surface, the lower surface, the left surface and the right surface of the door plate, sealed cavities are formed in the isolation door when the door plate is closed in place, and a sealed air inlet which is communicated with the sealed cavities is arranged on a face plate of the frame. The double-cavity sealing isolation door has the advantages that the technical scheme that sealing air is filled into the double cavities is adopted, accordingly, the double-cavity sealing isolation door is good in isolation and sealing effect, can be used on boiler systems of air flues or smoke flues of units with various sizes, and is simple in structure, and a sealing device is durable.
Description
Technical field
The utility model relates to the water-tight equipment of a kind of thermal power plant flue, specifically the isolated door of a kind of simple gate plate two-chamber sealing.
Background technology
The hot air isolating door that heat power plant boiler system flue is installed is for preventing that hot blast from revealing and the guarantee maintainer's of power plant personal safety has crucial effects.Isolated door commonly used in the prior art mostly is the individual layer door greatly, one soft seal is installed on the door-plate, after cutting out and put in place, door-plate has only one deck sealing, hot blast takes place easily to be revealed, simultaneously, isolated every plate and framework easily at high temperature produce deformation, behind door-plate or the frame deformation, airtight and watertight padding on the door-plate just and between the sealing surface of gate seat forms the gap, thereby producing insertion plate door is not closed completely, cause potential safety hazards such as hot blast leakage, for this reason, just press for good, the safe and reliable isolated door of a kind of sealing property of research and development.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple gate plate two-chamber sealing simple in structure, ingenious, rational isolated door, and this isolated door has two seals, can reach the effect of isolated fully flue gas.
The technical scheme that provides according to the utility model: the isolated door of a kind of simple gate plate two-chamber sealing, the cylinder support is installed on the frame roof cover plate, cylinder is installed on the described cylinder support, and, cylinder piston rod stretches into framework inside and is connected with the door-plate upper end, in the door-plate two sides door-plate roller is set respectively, be characterised in that: be respectively arranged with the frame seal seat on the end face of the framework left and right sides, at the frame seal seat frame facet diaphragm seal is set, door-plate directive wheel restriction door-plate moves in the frame seal seat, door-plate bottom diaphragm seal is set in the door-plate bottom, over against diaphragm seal place, door-plate bottom semi-circular groove is set in base of frame, place, top corresponding to flue on the framework arranges the frame mid portion diaphragm seal, described door-plate four surfaces up and down has the channel-section steel structure, close when putting in place at door-plate, channel-section steel structure and frame seal seat form first sealed cavity, channel-section steel structure and framework semi-circular groove, door-plate bottom diaphragm seal forms second sealed cavity, and the framework panel is provided with and is communicated with first sealed cavity, the sealing air entrance of second sealed cavity.
As further improvement of the utility model, corresponding to the cylinder piston rod below piston rod packing seat is set on the cover plate.
As further improvement of the utility model, described door-plate bottom diaphragm seal when door-plate cuts out and semi-circular groove fit tightly.
As further improvement of the utility model, described frame facet diaphragm seal is divided into first cavity, second cavity with first sealed cavity.
As further improvement of the utility model, described door-plate bottom diaphragm seal is divided into the 3rd cavity, the 4th cavity with second sealed cavity.
As further improvement of the utility model, in the framework upper end maintenance handle is set.
The utility model compared with prior art, advantage is: the isolated door of the utility model simple gate plate two-chamber sealing adopts the technical scheme of the logical sealing air sealing of two-chamber, isolated good sealing effect, solved the problem that isolated door exists in the prior art, that is, the insufficient strength of door-plate and framework, it is big that the door-plate stress deformation becomes, together sealing does not reach seal request or because the filler hot air isolating door that causes that is not durable is not closed completely, causes the problem of leakage.In addition, the utility model can be used on the steam generator system of the air channel of various sizes unit or flue, and is simple in structure, sealing device is durable in use, and sealing effectiveness is good.
Description of drawings
Fig. 1 is structure chart front view of the present utility model.
Fig. 2 is structure chart left view of the present utility model.
Fig. 3 is structure chart vertical view of the present utility model.
Fig. 4 is B place partial enlarged drawing among Fig. 2.
Fig. 5 is A place partial enlarged drawing among Fig. 3.
Fig. 6 is H place partial enlarged drawing among Fig. 2.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
Shown in Fig. 1 ~ 5, comprise framework 1, door-plate 2, frame mid portion diaphragm seal 3, door-plate directive wheel 4, door-plate roller 5, door-plate bottom diaphragm seal 6, frame facet diaphragm seal 7, frame seal seat 8, sealing air entrance 9, maintenance handle 10, cover plate 11, connector 12, piston rod packing seat 13, cylinder 14, cylinder support 15, semi-circular groove 16, channel-section steel structure 17, first sealed cavity 18, the first cavity 18-1, the second cavity 18-2, second sealed cavity 19, the 3rd cavity 19-1, the 4th cavity 19-2 etc.
Shown in Fig. 1 ~ 5, the utility model is the isolated door of a kind of simple gate plate two-chamber sealing, cylinder support 15 is installed on framework 1 top blind flange 11, cylinder 14 is installed on the described cylinder support 15, and, cylinder 14 piston rods stretch into framework 1 inside and are connected with door-plate 2 upper ends, cylinder 14 connects the driving source of the gas, drive cylinder piston rod promotion door-plate 2 and open and close motion, in door-plate 2 two sides door-plate roller 5 is set respectively, be respectively arranged with frame seal seat 8 on framework 1 left and right sides end face, at frame seal seat 8 frame facet diaphragm seal 7 is set, door-plate directive wheel 4 restriction door-plates 2 move in frame seal seat 8, door-plate bottom diaphragm seal 6 is set in door-plate 2 bottoms, over against diaphragm seal 6 places, door-plate bottom semi-circular groove 16 is set in framework 1 bottom, place, top corresponding to flue on the framework 1 arranges frame mid portion diaphragm seal 3, described door-plate 2 four surfaces up and down has channel-section steel structure 17, close when putting in place at door-plate 2, channel-section steel structure 17 forms first sealed cavity 18 with frame seal seat 8, forms second sealed cavity 19 with under(-)chassis.Framework 1 panel is provided with the sealing air entrance 9 that is communicated with first sealed cavity 18, second sealed cavity 19.
Corresponding to cylinder 14 piston rods below piston rod packing seat 13 is set on the cover plate 11, prevents that medium from leaking outside.
Described door-plate bottom diaphragm seal 6 when door-plate 2 cuts out and semi-circular groove 16 fit tightly.
Described frame facet diaphragm seal 7 is divided into the first cavity 18-1, the second cavity 18-2 with first sealed cavity 18.
Described door-plate bottom diaphragm seal 6 is divided into the 3rd cavity 19-1, the 4th cavity 19-2 with second sealed cavity 19.
The involved diaphragm seal of the utility model is made by the alloy elastomeric material, and door-plate 2 cuts out to put in place and forms tight fit between back and each diaphragm seal, guarantees to reach the first road seal request.
After the utility model door-plate 2 cut out and puts in place, door-plate 2 relied on frame mid portion diaphragm seal 3, frame facet elastic sealing strip 7 and the door-plate bottom diaphragm seal 6 of framework 1 to reach the effect of sealing all around.Door-plate close put in place after, two small cavitys of formation between the channel-section steel structure 17 around the door-plate 2 and the seal receptacle on the framework 1 and the diaphragm seal, that is, the first cavity 18-1, the second cavity 18-2; Diaphragm seal 6 and framework 1 also form two small cavitys bottom door-plate, that is, and and the 3rd cavity 19-1, the 4th cavity 19-2.In above-mentioned two cavitys, feed the sealing air of high pressure, can completely cut off the low pressure flue gas of door-plate both sides fully.Thereby reach the effect of isolated fully flue gas.
The framework that the utility model is all and door-plate diaphragm seal all adopt slim alloy material bending and molding, and be wear-resistant, corrosion-resistant, high temperature resistant.At framework cover plate 11 is installed, is used for maintenance.At piston rod and framework junction piston rod packing seat 13 is installed, prevents that flue gas from leaking from piston rod.The different steel that makes a balls of in framework 1 bottom processes semicircle, after supplying door-plate 2 passes to put in place, the door-plate diaphragm seal is pressed in the semi-circular groove 16, cut off the both sides flue gas, and make channel-section steel on the door-plate and bottom diaphragm seal 6 and framework 1 also form two small cavitys, form the sealing of two roads after feeding sealing air again, isolated fully flue gas.
The isolated door of the utility model simple gate plate two-chamber sealing adopts the technical scheme of the logical sealing air sealing of two-chamber, isolated good sealing effect, solved the problem that isolated door exists in the prior art, namely, the insufficient strength of door-plate and framework, it is big that the door-plate stress deformation becomes, and sealing does not reach seal request or because the filler hot air isolating door that causes that is not durable is not closed completely, causes the problem of leakage together.In addition, the utility model can be used on the steam generator system of the air channel of various sizes unit or flue, and is simple in structure, sealing device is durable in use, and sealing effectiveness is good.
Claims (6)
1. a simple gate plate two-chamber sealing completely cuts off door, framework (1) top blind flange (11) goes up installs cylinder support (15), cylinder (14) is installed on the described cylinder support (15), and, cylinder (14) piston rod stretches into framework (1) inside and is connected with door-plate (2) upper end, in door-plate (2) two sides door-plate roller (5) is set respectively, it is characterized in that: be respectively arranged with frame seal seat (8) on the end face of framework (1) left and right sides, at frame seal seat (8) frame facet diaphragm seal (7) is set, door-plate directive wheel (4) restriction door-plate (2) moves in frame seal seat (8), door-plate bottom diaphragm seal (6) is set in door-plate (2) bottom, locate to arrange semi-circular groove (16) in framework (1) bottom over against door-plate bottom diaphragm seal (6), the place, top that framework (1) is gone up corresponding to flue arranges frame mid portion diaphragm seal (3), described door-plate (2) four surfaces up and down has channel-section steel structure (17), close when putting in place at door-plate (2), channel-section steel structure (17) forms first sealed cavity (18) with frame seal seat (8), channel-section steel structure (17) and framework semi-circular groove (16), door-plate bottom diaphragm seal (6) forms second sealed cavity (19), and framework (1) panel is provided with and is communicated with first sealed cavity (18), the sealing air entrance (9) of second sealed cavity (19).
2. simple gate plate two-chamber sealing as claimed in claim 1 is isolated, and it is characterized in that: cover plate (11) is gone up corresponding to cylinder (14) piston rod below piston rod packing seat (13) is set.
3. the isolated door of simple gate plate two-chamber as claimed in claim 1 sealing is characterized in that: described door-plate bottom diaphragm seal (6) door-plate (2) when closing and semi-circular groove (16) fit tightly.
4. simple gate plate two-chamber sealing as claimed in claim 1 is isolated, and it is characterized in that: described frame facet diaphragm seal (7) is divided into first cavity (18-1), second cavity (18-2) with first sealed cavity (18).
5. simple gate plate two-chamber sealing as claimed in claim 1 is isolated, and it is characterized in that: described door-plate bottom diaphragm seal (6) is divided into the 3rd cavity (19-1), the 4th cavity (19-2) with second sealed cavity (19).
6. the isolated door of simple gate plate two-chamber sealing as claimed in claim 1 is characterized in that: in framework (1) upper end maintenance handle (10) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020966 CN203147788U (en) | 2013-01-15 | 2013-01-15 | Double-cavity sealing isolation door with single door plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020966 CN203147788U (en) | 2013-01-15 | 2013-01-15 | Double-cavity sealing isolation door with single door plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203147788U true CN203147788U (en) | 2013-08-21 |
Family
ID=48975308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320020966 Expired - Fee Related CN203147788U (en) | 2013-01-15 | 2013-01-15 | Double-cavity sealing isolation door with single door plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203147788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588134A (en) * | 2016-02-24 | 2016-05-18 | 佛山赛因迪环保科技有限公司 | Improved structure of pneumatic gate valve |
| CN106678848A (en) * | 2017-01-23 | 2017-05-17 | 浙江金丰人防设备有限公司 | Novel energy-saving safety self-control device for boiler |
| CN110206902A (en) * | 2019-06-12 | 2019-09-06 | 德州众生环保科技有限公司 | A kind of automatic liquid pressure type gas baffle door |
-
2013
- 2013-01-15 CN CN 201320020966 patent/CN203147788U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588134A (en) * | 2016-02-24 | 2016-05-18 | 佛山赛因迪环保科技有限公司 | Improved structure of pneumatic gate valve |
| CN106678848A (en) * | 2017-01-23 | 2017-05-17 | 浙江金丰人防设备有限公司 | Novel energy-saving safety self-control device for boiler |
| CN110206902A (en) * | 2019-06-12 | 2019-09-06 | 德州众生环保科技有限公司 | A kind of automatic liquid pressure type gas baffle door |
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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: 20130821 Termination date: 20210115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |