CN106369621A

CN106369621A - Inlet damper

Info

Publication number: CN106369621A
Application number: CN201610920242.1A
Authority: CN
Inventors: 刘明亮; 朱正忠; 黄明; 沈祥银; 占拯星; 琚春生
Original assignee: Anhui Shengyun Heavy Industry Machinery Co Ltd
Current assignee: Anhui Shengyun Heavy Industry Machinery Co Ltd
Priority date: 2016-10-21
Filing date: 2016-10-21
Publication date: 2017-02-01

Abstract

The invention provides an inlet damper and relates to the technical field of dampers. The inlet damper comprises a frame, a blade and an executing mechanism, wherein the executing mechanism which is installed outside the frame through the support is connected with the blade through a rotating shaft, the blade is installed inside the frame through the rotating shaft, and the top of the blade is provided with a cavity. The inlet damper further comprises seal devices arranged on the upper inner side and the lower inner side of the frame. Each seal device comprises a seal plate and a seal bag. Each seal plate is fixed to the inner side of the frame in the manner that bolts pass through the two sides of the seal plate. Each seal bag is connected to the lower side of the corresponding seal plate, and each seal bag and the corresponding seal plate are of an integrated structure. The inlet damper further comprises liquid injection devices. Each liquid injection device comprises a pneumatic pushing rod, a plunger type liquid tank and a liquid injection pipe. The output end of each pneumatic pushing rod is connected with a plunger rod of the corresponding plunger type liquid tank, and each pneumatic pushing rod and the plunger rod of the corresponding plunger type liquid tank are connected to the frame. The frame is provided with through holes, and the liquid injection pipes are located in the through holes. The upper end of each liquid injection pipe communicates with the corresponding plunger type liquid tank, and the lower end of each liquid injection pipe is located in the corresponding seal bag. The inlet damper is simple in structure, low in cost and safe and reliable in seal.

Description

Inlet baffle door

Technical field

The present invention relates to baffle door technical field is and in particular to a kind of inlet baffle door.

Background technology

In electric dust-removing equipment, need to block fume emission by gas approach baffle door, prevent exhaust gas leakage, or make flue gas Other units are entered by flue.

In prior art, Chinese patent 201520473867.9 provides a kind of gas baffle door, including framework, blade, Actuator, the actuator being installed on outside framework by support is by rotating shaft and the blade phase being installed on by rotating shaft in framework Even it is characterised in that: also include sealing device, the section with cavity that described sealing device includes being arranged in framework is in In the elastic sealing element of inverted "convex" shape, the cavity of sealing member filling fluid media (medium), the motor being arranged on outside framework, by motor Adjustable plate that is driving and can moving up and down in the frame, the two ends of sealing member are fixedly connected with framework by fastening bolt, adjust The upper end of section plate is connected with the telescopic end of motor, and the lower end of adjustable plate is fixedly linked with the upper end of sealing member, and described blade sets There is the groove being adapted with the lower end of sealing member；Move up and down the upper end of squeeze sealing member by Motor drive adjustable plate, thus The lower end of sealing member is made to contact with each other with the groove of blade and compress, thus realizing the sealing between blade and framework, but Due to being to carry out squeeze sealing member using adjustable plate, deformation is little, the bad control of sealing member size of early stage, poor sealing performance, and Because the tired service life of material is not long.

It is directed to this, need to make improvement.

Content of the invention

The invention provides a kind of structure is simple, the inlet baffle door of good seal performance.

A kind of inlet baffle door, including framework, blade, actuator, the actuator being arranged on by support outside framework It is connected with the blade being arranged in framework by rotating shaft by rotating shaft；

Described vane tip is provided with cavity；

Also include being arranged on the sealing device of the upper and lower inner side of framework, described sealing device includes sealing plate and sealed pouch, Described sealing plate is bolted on inside framework by both sides, and described sealed pouch is connected on the downside of sealing plate and sealing plate For integral type structure；

Also include priming device, described priming device includes air-leg, plunger type liquid case and liquid injection pipe, described pneumatic push away The outfan of bar connects the plunger rod of plunger type liquid case, is connected in the lump on framework, described framework has through hole, described fluid injection Pipe is located in through hole, and upper end is connected with plunger type liquid case, and lower end is located in described sealed pouch.

Further, also include control device, described control device include being arranged on air-leg solenoid and with electricity The long-range infrared switch connecting of magnet valve.

Further, it is provided with groove inside described framework, described sealing plate both sides are bolted on inside framework In groove.

Further, the cross sectional shape of the cavity of described vane tip is that bottom is outwards recessed to recessed arc and both sides Arc is constituted.

Further, the inwall of the cavity of described vane tip adheres to one layer of rubber gasket.

Further, leave the gap being available for that blade only has rotation between described blade and framework.

Further, described through hole is opened in the middle part of framework.

Further, described plunger type liquid case, after liquid injection pipe and sealed pouch connect, wherein fills up fluid media (medium).

Further, described fluid media (medium) is water.

Further, described liquid injection pipe is connected to the end of plunger type liquid case.

It is an advantage of the current invention that: drive the liquid in plunger type liquid case to enter in sealed pouch by air-leg, close After encapsulated bag expands, fit tightly with the cavity being arranged on frame roof, it is achieved thereby that the sealing between blade and framework, this Bright structure is simple, and using easy to operate, clean environment firendly, deformation is reliable, sealed reliable, and long service life improves the knot of baffle door Structure stability.

Brief description

Fig. 1 is the structural representation of the embodiment of the present invention；

Fig. 2 is the partial sectional view under be closed for the a-a in Fig. 1；

Fig. 3 is for a-a in Fig. 1 to the partial sectional view being under open mode.

Specific embodiment

Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.

In conjunction with accompanying drawing 1, Fig. 2 and Fig. 3, a kind of present invention inlet baffle door, including framework 1, blade 2, actuator 3, leads to Cross the actuator 3 that support 4 is arranged on outside framework 1 to be connected with the blade 2 being arranged in framework 1 by rotating shaft 5 by rotating shaft 5；

Described blade 2 top is provided with cavity 6；

Also include being arranged on the sealing device of framework inner side about 1, described sealing device includes sealing plate 7 and sealed pouch 8, sealed pouch 8 can be expanded under liquid filling, is shunk, described sealing plate 7 is passed through by both sides when extracting liquid Bolt 9 is fixed on inside framework 1, and it is integral type structure that described sealed pouch 8 is connected to sealing plate 7 downside with sealing plate 7；

Also include priming device, described priming device includes air-leg 10, plunger type liquid case 11 and liquid injection pipe 12, described The outfan of air-leg 10 connects the plunger rod of plunger type liquid case 11, is connected in the lump on framework 1, described framework 1 has Through hole (not shown), described liquid injection pipe 12 is located in through hole, and upper end is connected with plunger type liquid case 11, and lower end is located at described close In encapsulated bag 8.

Further, also include control device (not shown), described control device includes being arranged on air-leg Electromagnetic valve and the infrared switch being remotely connected with electromagnetic valve, can be controlled at a distance, very convenient；

Further, it is provided with groove 13 inside described framework 1, described sealing plate 7 both sides are fixed on framework 1 by bolt 9 In the groove 13 of inner side, sealing can be improved further；

Further, the cross sectional shape of the cavity 6 at described blade 2 top is that bottom is outwards recessed to recessed arc and both sides Arc constitute, after the fluid injection of such sealed pouch 8, can be very good to be fitted with the inwall of cavity 6 is sealed；

Further, the inwall of cavity 6 at described blade 2 top adheres to one layer of rubber gasket, improve patch further Compactness during conjunction；

Further, leave the gap being available for that blade 2 only has rotation between described blade 2 and framework 1.

Further, described through hole is opened in the middle part of framework 1, is easy to liquid and is uniformly filled injection to both sides；

Further, described plunger type liquid case 11, after liquid injection pipe 12 and sealed pouch 8 connect, is wherein filled up fluid and is situated between Matter, described fluid media (medium) is water, easily takes pollution-free；

Further, described liquid injection pipe 12 is connected to the end of plunger type liquid case 11, so that fluid media (medium) can fill Divide and utilize.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating In any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to Comprising of nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that Also there is other identical element including in the process of described key element, method, article or equipment.

Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments The present invention has been described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. a kind of inlet baffle door, is led to including framework, blade, actuator, the actuator being arranged on outside framework by support Cross rotating shaft with the blade being arranged in framework by rotating shaft and be connected it is characterised in that

Described vane tip is provided with cavity；

Also include being arranged on the sealing device of the upper and lower inner side of framework, described sealing device includes sealing plate and sealed pouch, described Sealing plate is bolted on inside framework by both sides, described sealed pouch be connected on the downside of sealing plate with sealing plate be one Body formula structure；

Also include priming device, described priming device includes air-leg, plunger type liquid case and liquid injection pipe, described air-leg Outfan connects the plunger rod of plunger type liquid case, is connected in the lump on framework, described framework has through hole, described liquid injection pipe position In through hole, upper end is connected with plunger type liquid case, and lower end is located in described sealed pouch.

2. inlet baffle door according to claim 1 is it is characterised in that also include control device, described control device bag Include the infrared switch being arranged on air-leg solenoid and being remotely connected with electromagnetic valve.

3. inlet baffle door according to claim 1 is it is characterised in that be provided with groove inside described framework, described sealing Plate both sides are bolted in the groove inside framework.

4. inlet baffle door according to claim 1 is it is characterised in that the cross sectional shape of the cavity of described vane tip is Bottom is constituted to the outwards recessed arc of recessed arc and both sides.

5. inlet baffle door according to claim 4 is it is characterised in that adhere on the inwall of the cavity of described vane tip One layer of rubber gasket.

6. inlet baffle door according to claim 1 is available for blade it is characterised in that leaving between described blade and framework The gap of only rotation.

7. inlet baffle door according to claim 1 is it is characterised in that described through hole is opened in the middle part of framework.

8. inlet baffle door according to claim 1 is it is characterised in that described plunger type liquid case passes through liquid injection pipe and sealing After pouch connects, wherein fill up fluid media (medium).

9. inlet baffle door according to claim 8 is it is characterised in that described fluid media (medium) is water.

10. inlet baffle door according to claim 1 is it is characterised in that described liquid injection pipe is connected to plunger type liquid case End.