CN202983419U - Three-way off-line valve of revolution door - Google Patents
Three-way off-line valve of revolution door Download PDFInfo
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- CN202983419U CN202983419U CN 201220700485 CN201220700485U CN202983419U CN 202983419 U CN202983419 U CN 202983419U CN 201220700485 CN201220700485 CN 201220700485 CN 201220700485 U CN201220700485 U CN 201220700485U CN 202983419 U CN202983419 U CN 202983419U
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Abstract
The utility model discloses a three-way off-line valve of a revolution door, and mainly solves the problems of the existing lifting off-line valve that a valve plate is easy to deform, the sealing property is poor, the stressing condition of an air cylinder is bade, the damage is easy, the check maintenance is not convenient, the installation space is large and the like. The three-way off-line valve comprises a valve shell (1), a left net gas box interface (15), a right net gas box interface (12), a net gas main pipe interface (14), arc valve plates (11), a connecting rod (16), a valve shaft (8) and mounted bearings (13), wherein the valve shell (1) is provided with the left net gas box interface (15), the right net gas box interface (12) and the net gas main pipe interface (14) formed by square or rectangle short pipes, and the two arc valve plates (11) are respectively matched with an arc opening of the right net gas box interface (12) or the left net gas box interface (15), so that the transportation and installation are convenient. The three-way off-line valve disclosed by the utility model is applied to industrial bag filters for cutting or opening an airflow channel of a single net gas box body and a net gas main pipe, so as to realize single chamber off-line ash cleaning.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind ofly is applied to the revolving door threeway off-line valve that on the chamber structure pulse bag type dust collector, deashing is used.
Background technology
Sack cleaner has been widely used in the industries such as iron and steel, metallurgy, building materials, chemical industry, becomes one of capital equipment of administering dust flue gas.Although configurations varies in size,, a cover deashing device is arranged, the dust that accumulates in the filter bag surface is removed, realize the regeneration of filter bag filter capacity, guarantee the reliability service of deduster.At present, the deashing device of sack cleaner mainly adopts the reverse blowback of air pulse, to big-and-middle-sized pulse dust cleaning sack cleaner, in order to strengthen the dynamics of pulse dust cleaning, improve ash-removal effect, usually with deduster design mix cell structure, there is a valve each chamber, when certain chamber needs deashing, valve closing cuts off the passage of this chamber and flue gas or pure qi (oxygen), makes the indoor only state that is in relatively only, and then the unbalanced pulse valve, to filter bag ash removal.So this valve is called the off-line valve usually.
Present off-line valve arrangement is mainly hoisting type.Circular valve seat is arranged on the plate of horizontal direction, and valve plate is fixed on above vertically arranged cylinder piston rod, and along with the up and down of cylinder piston rod, closes or open valve port, realizes the function of off-line.This hoisting type off-line valve, simple in structure, the accuracy of manufacture is not high.In use, there are the following problems: the one, and valve horizontal direction layout, requirements of installation space is large, thereby casing is increased in the size of width.The 2nd, the off-line valve of hoisting type gas bag common and jetting deashing is arranged on same direction, and injection tube is arranged in the front end of lift valve airintake direction; When lift valve need to overhaul or safeguard, personnel's operation that the injection tube of arrangement has hindered shelves caused maintenance inconvenient; Usually to open manhole at the lift valve top, could facilitate personnel's installation and maintenance of entering; Even like this, maintenance work is all to carry out in narrow space, and there is again dust pollution inside, and operating environment is very poor.The 3rd, specification and the impulse stroke of cylinder are had relatively high expectations, and valve plate is opened in the vertical direction, and the pressure that the gas pressure in casing produces on valve plate is just large, and impulsive force suffered when opening or closing is also large, and therefore, the cylinder bore of selecting is all larger; When valve plate was opened in the vertical direction, in order to guarantee that certain space is arranged between valve plate and valve seat, the stroke of cylinder also had certain requirement, is generally 500 left and right.The 4th, the service life of cylinder and reliability have certain impact.Because cylinder is generally to be vertically mounted on the casing top, piston rod stretches in casing and is connected with valve plate.Because of the gas in casing, certain temperature is arranged, also residual a certain amount of dust has a great impact the use of the seal on piston rod and cylinder; Although some lift valves are arranged on outside casing cylinder is built on stilts with bearing, and connect cylinder and valve plate with jackshaft,, the sealing of jackshaft and casing is poorly solution also.The 5th, the valve seat of poppet type valve or the installation of cylinder, all time welding to be installed at the scene or bolt is connected on casing, due to welded casing, still the precision of vertical direction all cannot guarantee in the horizontal direction, and the sealing of valve is also just had a greatly reduced quality.
The square dish formula off-line valve of another Sidewise board-turning formula, exist too lower to problem: the main feature of this valve is in order to improve the condition of work of cylinder, the cylinder level is arranged on outside casing, and increase its service life, and the impulse stroke of its cylinder and cylinder diameter also reduce to some extent; But whole valve also is mounted in box house, and it is still very inconvenient to install and overhaul; And, between valve plate and valve seat, be subjected to the impact of cylinder stroke larger, very difficult maintenance seals preferably.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, manufacturing, transportation, installation, maintenance revolving door threeway easily off-line valve.
For achieving the above object, the technical scheme that its technical problem that solves the utility model adopts is: it comprises valve casing 1, left Gas-cleaning box interface 15, right Gas-cleaning box interface 12, the total interface tube 14 of pure qi (oxygen), arc valve 11, connecting rod 16, valve shaft 8 and rolling bearing units 13, have on valve casing 1 by square or the left Gas-cleaning box interface 15 that the rectangle short tube consists of, right Gas-cleaning box interface 12 and the total interface tube 14 of pure qi (oxygen), short tube the inner of left Gas-cleaning box interface 15 and right Gas-cleaning box interface 12 stretches into respectively in valve casing 1 and to be arranged to arcuation uncovered; Two ends, left and right on valve casing 1 are respectively arranged with the uncovered corresponding valve shaft 8 of arcuation with left Gas-cleaning box interface 15 or right Gas- cleaning box interface 12,2 valve shafts 8 are in mating connection with the Power Drive Unit that is arranged on valve casing 1 respectively, the other end that is arranged on the connecting rod 16 of valve shaft 8 is connected with the arc valve 11 at two ends respectively, 2 arc valves 11 respectively with uncovered the matching of arcuation of left Gas-cleaning box interface 15 or right Gas-cleaning box interface 12.
The Power Drive Unit that the utility model is arranged on valve casing 1 adopts air cylinder driven, is installed in cylinder 7 is installed on the cylinder saddle 6 on valve casing 1, at the drive end of cylinder 7, installation bearing pin 3 is set between Y type fork head 4 and crank 2 hinged.The Power Drive Unit that is arranged on valve casing 1 also can adopt motor-driven, is installed in that bearing pin 3 is installed between motor on valve casing 1 and crank 2 is hinged.
The utility model also can be provided with in a side of valve casing 1 the manhole door and coordinate manhole door cover plate 5 is installed.Also can be provided with limit screw 9 in the junction of valve shaft 8 and connecting rod 16.Or be provided with upper cover plate 10 on valve casing 1 top.Or be provided with rolling bearing units 13 in the junction of valve shaft 8 and valve casing 1.
Square or the rectangular channel that is connected with the pure qi (oxygen) house steward, always be in breakthrough status, another two square or rectangular channels that are connected with air-purifying chamber, with arc valve 11 rotations, perforation and closed condition hocket.Arc valve 11 is the arc plate structure, and is connected with axle sleeve by being fan-shaped steel plate; Two short tubes that are connected with the air-purifying chamber casing and the contact position of arc valve 11 are circular arc, and form sealing surfaces with arc valve 11.Sleeve supporting on arc valve 11 and guarantees axially and position radially with limit screw on valve shaft 8; Valve shaft 8 is bearing on the bearing 13 at valve casing two ends Shang Xia 1.One end of valve shaft 8 is fixedly connected with connecting rod 16 1 ends, and the forked element on valve shaft 8 other ends and cylinder 7 forms hinged.
The design feature of the big-and-middle-sized pulse bag type dust collector of its mainly pin multicell combination, double and arranged in rows designs, and is that the arrangement to deashing device improves, and reduces the appearance and size of whole equipment, the reduction manufacturing cost.It is simple in structure, and manufacturing, transportation, installation, maintenance convenience are on the big-and-middle-sized pulse bag type dust collector that can be widely used in.
Description of drawings
Fig. 1 is forward broken section structural representation of the present utility model.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the left-hand structural representation of Fig. 1.
Fig. 4 is the forward structure schematic diagram of arc valve.
Fig. 5 is the plan structure schematic diagram of arc valve.
Fig. 6 is use state forward structure schematic diagram of the present utility model.
Fig. 7 is use state left-hand structural representation of the present utility model.
Fig. 8 is use state plan structure schematic diagram of the present utility model.
In figure: 1-valve casing, 2-crank, 3-bearing pin, 4-Y type fork head, 5-manhole door cover plate, 6-cylinder saddle, the 7-cylinder, 8-valve shaft, 9-limit screw, the 10-upper cover plate, 11-arc valve, the right Gas-cleaning box interface of 12-, the 13-rolling bearing units, the total interface tube of 14-pure qi (oxygen), the left Gas-cleaning box interface of 15-, 16-connecting rod.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details.
The utility model compares with the off-line valve of existing several frame modes, and the advantage of following several respects is arranged:
1, novel structure, practicality is good.The dust collector box body of considering arranged in rows is generally apportion off-line valve left and right sides, it is again pure qi (oxygen) house steward's design feature simultaneously that the off-line valve is installed casing, revolving door threeway off-line valve described in the utility model, design left and right sides passage is communicated with casing respectively on valve casing 1, lower wing passage and pure qi (oxygen) house steward UNICOM.To the deduster of several box body combinations is arranged, by a plurality of independent threeway off-line valves, replace the off-line valve of a huge structure that casing is installed.Compare with the too simple hoisting type off-line valve of structure, the utility model difficulty of processing and precision all increase, and still, take into full account on design and craft, and it is also very easy to make; Show by many embodiment, this design not only has certain novelty, and, good practicality is arranged.
2, installation, transportation, easy to maintenance.Revolving door threeway off-line valve described in the utility model does not need the very large installation casing of appearance and size, dispatches from the factory after single valve assembling, and weight and volume is not limited by traffic condition.When mounted, only need the casing that the short tube of each off-line valve left and right sides is corresponding with it to connect upper getting final product, it is much easier that the off-line valve huger than installation installed casing.Whole off-line valve comprises housing and cylinder 7, all is arranged on the casing outside, in addition, inspection opening and cover plate is arranged on housing, and operating personnel do not need to enter in casing yet, and it is quite convenient to check, safeguard.For ease of revolving door threeway off-line valve is installed, the parts such as the gas bag of blowing device are changed into the casing opposite side different from off-line valve installation direction and are installed.Not only to blowing device, or the off-line valve, its maintenance is all more favourable.
3, the supporting cylinder 7 of off-line valve, its stroke size and cylinder diameter specification, all the cylinder 7 more supporting than lift valve wanted much less.Cylinder 7 drives valve shaft 8 and arc valve 11 rotations by connecting rod 16, and arc valve 11 in opening-closing process, is cutting steam, and force-bearing situation has the process of a buffering, unlike hoisting type valve plate 11, stronger gas shock effect is arranged.Therefore, the specification of cylinder 7 can suitably reduce.The stroke of cylinder 7 also reduces a lot.Cylinder 7 piston rod drivening rods 16 make valve shaft 8 half-twists, and its stroke is generally the 200mm left and right, are half of supporting cylinder 7 strokes of lift valve.When arc valve 11 opened and closed, the angular dimension of rotation did not have strict restriction, and the free degree that cylinder 7 strokes are adjusted is also larger.
4, the change of cylinder 7 installation forms, and, be that level is arranged on the off-line valve housing outside, no matter be the occasion that is applied in dust, or the higher occasion of gas temperature, the condition of work of cylinder 7 can not be affected, thereby, is guaranteed the service life of cylinder 7.
5, the sealing effectiveness of valve is improved.Although the off-line valve that pulse pocket type dust catcher deashing is used, its sealing effectiveness does not require strict especially.But, suitably improve the sealing property of valve, still beneficial to ash-removal effect.Revolving door threeway off-line valve described in the utility model, the arc surface on the short tube of valve plate 11 arc surfaces and contact with it is all to process by boring, guarantees certain gap requirement.This gap width usually seldom, and no matter how high the pressure in casing have, force-bearing situation is all good than flat valve plate 11, in running, can not produce any distortion, the gap between contact-making surface also remains unchanged substantially.Thereby, guaranteed reliable sealing effectiveness.
The series of technical such as the valve plate 11 that it efficiently solves existing hoisting type off-line valve easily be out of shape, poor sealing performance, and cylinder 7 force-bearing situations are bad, easily damages, the Inspection and maintenance inconvenience, and installing space is large.Adopt revolving door threeway off-line valve of the present utility model, the body structure of the deashing mechanism of deduster and installation off-line valve also is improved, and has not only saved a large amount of materials, has reduced manufacturing cost.Simultaneously, also more convenient transportation and installation.This valve is not subjected to the restriction of mounting means, and can crouch dress or vertical dress can be made two-port valve or triple valve and use.Revolving door threeway off-line valve described in the utility model is a kind of being applied on industrial sack cleaner, is used for cutting off or opening single air-purifying chamber casing and pure qi (oxygen) house steward's current path, realizes the device of single chamber off-line ash-clearing.
6, adopt revolving door threeway off-line valve described in the utility model, during the double or arranged in rows of deduster, can significantly reduce in the size of width, simultaneously, do not need huge installation casing, the manufacturing cost of integral device descends to some extent.
Claims (9)
1. revolving door threeway off-line valve, it is characterized in that: it comprises valve casing (1), left Gas-cleaning box interface (15), right Gas-cleaning box interface (12), the total interface tube of pure qi (oxygen) (14), valve plate (11), connecting rod (16), valve shaft (8) and rolling bearing units (13), have on valve casing (1) by left Gas-cleaning box interface (15), right Gas-cleaning box interface (12) and the total interface tube of pure qi (oxygen) (14) square or that the rectangle short tube consists of, short tube the inner of left Gas-cleaning box interface (15) and right Gas-cleaning box interface (12) stretches into respectively in valve casing (1) and to be arranged to arcuation uncovered; Two ends, left and right on valve casing (1) are respectively arranged with the uncovered corresponding valve shaft of arcuation (8) with left Gas-cleaning box interface (15) or right Gas-cleaning box interface (12), 2 valve shafts (8) are in mating connection with the Power Drive Unit that is arranged on valve casing (1) respectively, the other end that is arranged on the connecting rod (16) of valve shaft (8) is connected with the arc valve (11) at two ends respectively, 2 arc valves (11) respectively with uncovered the matching of arcuation of left Gas-cleaning box interface (15) or right Gas-cleaning box interface (12).
2. revolving door threeway off-line valve according to claim 1, it is characterized in that: the Power Drive Unit that is arranged on valve casing (1) adopts air cylinder driven, be installed in the upper cylinder (7) of installing of cylinder saddle (6) on valve casing (1), arrange at the drive end of cylinder (7) that between Y type fork head (4) and crank (2), bearing pin (3) to be installed hinged.
3. revolving door threeway off-line valve according to claim 1, it is characterized in that: the Power Drive Unit that is arranged on valve casing (1) adopts motor-driven, is installed in that between motor on valve casing (1) and crank (2), bearing pin (3) to be installed hinged.
4. revolving door threeway off-line valve according to claim 1 is characterized in that: be provided with the manhole door and coordinate in a side of valve casing (1) manhole door cover plate (5) is installed, top is provided with upper cover plate (10).
5. revolving door threeway off-line valve according to claim 1 is characterized in that: the junction at valve shaft (8) and connecting rod (16) is provided with limit screw (9); Junction at valve shaft (8) and valve casing (1) is provided with rolling bearing units (13).
6. revolving door threeway off-line valve according to claim 1, it is characterized in that: the square or rectangular channel that is connected with the pure qi (oxygen) house steward, always be in breakthrough status, another two square or rectangular channels that are connected with air-purifying chamber, with arc valve (11) rotation, perforation and closed condition hocket.
7. revolving door threeway off-line valve according to claim 1, it is characterized in that: arc valve (11) is the arc plate structure, and is connected with axle sleeve by being fan-shaped steel plate; Two short tubes that are connected with the air-purifying chamber casing and the contact position of arc valve (11) are circular arc, and form sealing surface with arc valve (11).
8. revolving door threeway off-line valve according to claim 1 is characterized in that: the sleeve supporting on arc valve (11) and guarantees axially and position radially with limit screw on valve shaft (8); Valve shaft (8) is bearing on the bearing (13) at two ends, valve casing (1) up and down.
9. revolving door threeway off-line valve according to claim 1, it is characterized in that: an end of valve shaft (8) is fixedly connected with connecting rod (16) one ends, and the forked element on valve shaft (8) other end and cylinder (7) forms hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700485 CN202983419U (en) | 2012-12-18 | 2012-12-18 | Three-way off-line valve of revolution door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700485 CN202983419U (en) | 2012-12-18 | 2012-12-18 | Three-way off-line valve of revolution door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202983419U true CN202983419U (en) | 2013-06-12 |
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ID=48554645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700485 Expired - Fee Related CN202983419U (en) | 2012-12-18 | 2012-12-18 | Three-way off-line valve of revolution door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202983419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007650A (en) * | 2012-12-18 | 2013-04-03 | 平安电气股份有限公司 | Revolving door three-way offline valve |
| CN110194379A (en) * | 2019-05-22 | 2019-09-03 | 太重（天津）滨海重型机械有限公司 | Coal valve and coal sliding tube are slipped in revolution |
-
2012
- 2012-12-18 CN CN 201220700485 patent/CN202983419U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007650A (en) * | 2012-12-18 | 2013-04-03 | 平安电气股份有限公司 | Revolving door three-way offline valve |
| CN103007650B (en) * | 2012-12-18 | 2015-04-29 | 平安电气股份有限公司 | Revolving door three-way offline valve |
| CN110194379A (en) * | 2019-05-22 | 2019-09-03 | 太重（天津）滨海重型机械有限公司 | Coal valve and coal sliding tube are slipped in revolution |
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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: 20130612 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |