CN2906354Y - Hot air isolating door with two insertion boards - Google Patents
Hot air isolating door with two insertion boards Download PDFInfo
- Publication number
- CN2906354Y CN2906354Y CN 200620078837 CN200620078837U CN2906354Y CN 2906354 Y CN2906354 Y CN 2906354Y CN 200620078837 CN200620078837 CN 200620078837 CN 200620078837 U CN200620078837 U CN 200620078837U CN 2906354 Y CN2906354 Y CN 2906354Y
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- CN
- China
- Prior art keywords
- plate
- door
- hot air
- air isolating
- plates
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a hot air isolation gate with the double flashboards, comprising a control box connected with a cylinder and a cylinder transmission shaft on the housing. An end of the transmission shaft is connected with two opposite flashboard plate. The hot air isolation gate is characterized in the double flashboards, and the sealed wind cavity between the two flashboards plate, into which the sealed wind can be filled. As a result, the air isolation gate can isolate the circulating medium in a pipe preventing the leakage of the circulating medium between the flashboards and the plate. Due to the dual functions of the double flashboards mechanical seal, the auxiliary seal and the air seal, the air isolation gate can isolate the circulating medium completely in the pipe and prevent the leakage when closed.
Description
Technical field
The utility model belongs to the hot and cold airduct of thermal power plant's coal-burning boiler road barrier means, particularly a kind of pair of plate hot air isolating door.
Background technology
Existing pair of plate hot air isolating door sealing effectiveness is poor, because of plate is subjected to the influence of high-temperature hot-air for a long time, easily deforms, and plate can not tightly and be adjacent to the sealing of door body, so can not completely cut off the interior circulation medium of pipeline fully, can't guarantee to realize non-internal leakage.
Summary of the invention
The purpose of this utility model provides a kind of plate that can make and arrives the predetermined closed position of valve body, realizes two plate hot air isolating doors of non-internal leakage.
For achieving the above object, the technical solution of the utility model is: a kind of pair of plate hot air isolating door, on housing, be connected with electrical control cabinet and cylinder, and described cylinder power transmission shaft, the other end of described power transmission shaft are connected with two relative plate door-plates.
Be formed with sealing wind chamber between described two plate door-plates, described sealing wind chamber is communicated with sealing wind inlet.
Described pair of plate hot air isolating door realizes that with single cylinder plate drives and lock two actions.
Adopt above-mentioned pair of plate hot air isolating door, owing to adopted two plate door-plates, two plate door-plates have been formed, and between two plate door-plates, be formed with sealing wind chamber, in sealing wind chamber, can feed sealing wind, when so this pair plate hot air isolating door cuts off in the pipeline circulation medium, prevent that circulation medium leaks between plate and door body, adopt two plate mechanical seals to add the sealing of complementary sealing air sealing double action, after closing, can cut off ducted circulation medium fully and guarantee non-internal leakage.This product has long-term use still to keep good sealing property than the single plate hot air isolating door that uses at present, more can stand high temperature, be with pressure to contain coal dust, contain ore in sand form, contain washing away for a long time of grey hot blast, and sealing can not lose efficacy.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
To shown in Figure 2, this pair plate hot air isolating door is connected with electrical control cabinet 4 and cylinder 3 on housing 9 as Fig. 1, described cylinder 3 power transmission shafts 7, and the other end of described power transmission shaft 7 is connected with two relative plate door-plates 10.Be formed with sealing wind chamber between described two plate door-plates 10, described sealing wind chamber is communicated with sealing wind inlet 1.Its housing 9 is the skeletons that connect ventilation shaft, the main body that also is supporting cylinder 3, loads two parts such as plate door-plate 10, cylinder 3 is fixed on the right side of housing, the driven plunger rod end of cylinder 3 is connected with power transmission shaft 7, after power transmission shaft 7 passes shaft sealer 6, power transmission shaft 7 other ends link to each other with two plate door-plates 10, are provided with forced locking device 8 in the junction of power transmission shaft 7 and two plate door-plates 10, and described this pair plate hot air isolating door realizes that with single cylinder plate drives and lock two actions.The roller 11 that install the both sides up and down of plate door-plate 10 rolls on the track of housing, 10 steady, the operations reliably of plate door-plate have been guaranteed, two plate door-plates 10 can be pressed on the gate seat 12 that is located on the housing 9, the lead limit switch 5 that is installed in housing 9 one sides simultaneously arrives the signal of open and close position accurately to two plate door-plates of electrical control cabinet 4 feedbacks 10, force cylinder to push away, draw two plate door-plates 10, realize the open and close of two plate hot air isolating doors.
In the same side that two plate hot air isolating door housings 9 are installed cylinder 3, designed sealing wind inlet 1, sealing wind shut-off valve 2 has been installed in the porch, the on-off mode of shut-off valve 2 has two kinds: manually, electronic, its automatically controlled signal is incorporated electrical control cabinet 4 into when electronic, in case send the pass, open the instruction of two plate hot air isolating doors, after cutting out or open and put in place, two plate door-plates 10 have indicator lamp to show, this moment is by manually opening, close or open automatically, close sealing wind shut-off valve, sealing wind enters in the sealing wind chamber by sealing wind inlet 1 or cuts off sealing wind, thoroughly blocking-up or unlimited pipeline.Can insert the electrical control cabinet of DCS automatic control system by two plate hot air isolating doors, when sending the command signal of closing the door, electric controling element begins action, cylinder 3 drives two plate door-plates 10 and moves to the direction of closing the door on the track 11 of housing 9, forced locking device 8 is locked gradually when two plate door-plates 10 arrive the position of cutting out, make the sealing surface of two plate door-plates 10 be close to the sealing surface of gate seat 12, lead limit switch 5 actions simultaneously, feed the sealing wind that is higher than medium in the sealing wind chamber between two plate door-plates 10, hot blast or toxic and harmful under the booster action of sealing wind in the isolated fully air channel.When electrical control cabinet 4 sends the command signal of opening the door, electric controling element begins action, cut off sealing wind, cylinder 3 drives and continues to evolution to moving after two plate door-plates 10 leave gate seat 12, lead limit switch 5 actions simultaneously, finish two plate hot air isolating doors and open, make that circulation medium is unresisted to be passed through.
Close the door:
Locking device 8 is in the released position, and two plate door-plates 10 are in out state, and the instruction of closing the door is sent, two plates 10 move to the closed position simultaneously, forced locking device 8 is pressed on door-plate on the gate seat 12, and sealing wind enters sealing wind chamber, the shutdown signal of feedback insertion plate door by sealing wind inlet 1.
Open the door:
Two plate door-plates 10 are in the closed position, locking device 8 lock door panel, the instruction of opening the door is sent, forced locking device unclamps 8,10 bodies of two plates leave gate seat 12 sealing surfaces, two plate door-plates 10 move to opening position simultaneously, close sealing wind shut-off valve 2 and cut off sealing air, the feedback enabling signal.
Single cylinder is finished the switch and the locking action of two plates.The open and close mode of this product flexibly, was reliably turn-offed within 3～10 seconds, is opened; Insert the DCS automatic control system, realize long-range, control automatically on the spot.When not having electricity, no signal, can adopt the two plate hot air isolating doors of manual mode open and close.The control mode of this dual fail-safe, whenever, all can effectively completely cut off or unlimited pipe-line system under any condition.And hot air isolating door of the same type does not possess this point.
During two plate hot air isolating door switch motion, two plate door-plates 10 leave gate seat 12 automatically, can prevent plate door-plate 10 wearing and tearing gate seats 12
Sealing surfaceThe housing 9 of two plate hot air isolating doors is box airtight Type of Welding, plate door-plate 10 be designed to two plate structures, each plate all has independently sealing function, two plate door-plate 10 actions are consistent during 10 operations of plate door-plate, plate door-plate 10 sealing surfaces break away from gate seat 12 sealing surfaces automatically during switch, can prevent the mutual wearing and tearing between the sealing surface, its material of main part of selecting for use is a heat resisting steel, more can stand hyperthermia radiation than the frame-type list plate hot air isolating door that uses at present, two insertion plate door plate structure door body good rigidlies, thermal deformation are little; Adopt two plate two seals, than single plate of present use hot air isolating door of sealing together, circulation medium in more effective, the more reliable isolated pipeline.
Two insertion plate door switching plate total travels of this product have automatic dusting function, under the state that has a large amount of ashes, powder to exist, all can be flexible, and can not produce phenomenons such as bite.Can guarantee to cut off fully medium.
Equipment operating pressure: 0～100kPa.
Equipment operating temperature :-30 ℃～450 ℃.
Working media: band is pressed the dust-laden hot blast, or contains the compressed gas of impurity such as coal dust, sand dust.
Type of drive: pneumatic.
Control mode: automatically controlled and manual on the spot.Can incorporate the DCS automatic control system into.
Installation site: on level or the vertical pipe.
With the pipeline connecting mode: flange welding or flange bolt are connected.
Claims (4)
1. a two plate hot air isolating door is connected with electrical control cabinet (4) and cylinder (3) on housing (9), and it is characterized in that: described cylinder (3) power transmission shaft (7), the other end of described power transmission shaft (7) are connected with two relative plate door-plates (10).
2. according to claim 1 pair of plate hot air isolating door is characterized in that: power transmission shaft (7) and two plate door-plates (10) be connected with forced locking device (8).
3. according to claim 1 pair of plate hot air isolating door is characterized in that: be formed with sealing wind chamber between described two plate door-plates (10), described sealing wind chamber is communicated with sealing wind inlet (1).
4. according to claim 1 pair of plate hot air isolating door is characterized in that: described pair of plate hot air isolating door realizes that with single cylinder plate drives and lock two actions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620078837 CN2906354Y (en) | 2006-04-15 | 2006-04-15 | Hot air isolating door with two insertion boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620078837 CN2906354Y (en) | 2006-04-15 | 2006-04-15 | Hot air isolating door with two insertion boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906354Y true CN2906354Y (en) | 2007-05-30 |
Family
ID=38114989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620078837 Expired - Lifetime CN2906354Y (en) | 2006-04-15 | 2006-04-15 | Hot air isolating door with two insertion boards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906354Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614969A (en) * | 2012-03-25 | 2012-08-01 | 安徽康迪纳电力科技有限责任公司 | Plug board type self-track-changing elastic hot air isolation door |
| CN103352647A (en) * | 2013-07-24 | 2013-10-16 | 无锡市华通电力设备有限公司 | Hot air isolated door sealing wind device |
| CN103362423A (en) * | 2013-07-24 | 2013-10-23 | 无锡市华通电力设备有限公司 | Internal tension type isolation door |
-
2006
- 2006-04-15 CN CN 200620078837 patent/CN2906354Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614969A (en) * | 2012-03-25 | 2012-08-01 | 安徽康迪纳电力科技有限责任公司 | Plug board type self-track-changing elastic hot air isolation door |
| CN102614969B (en) * | 2012-03-25 | 2013-03-06 | 安徽康迪纳电力科技有限责任公司 | Plug board type self-track-changing elastic hot air isolation door |
| CN103352647A (en) * | 2013-07-24 | 2013-10-16 | 无锡市华通电力设备有限公司 | Hot air isolated door sealing wind device |
| CN103362423A (en) * | 2013-07-24 | 2013-10-23 | 无锡市华通电力设备有限公司 | Internal tension type isolation door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070530 |
|
| EXPY | Termination of patent right or utility model |