CN209405868U

CN209405868U - A kind of bag filter with Anti-air-leakage function

Info

Publication number: CN209405868U
Application number: CN201821920382.XU
Authority: CN
Inventors: 周军良; 俞飞; 周晨曦
Original assignee: Yixing Suha Electric Power Equipment Co Ltd
Current assignee: Yixing Suha Electric Power Equipment Co Ltd
Priority date: 2018-11-21
Filing date: 2018-11-21
Publication date: 2019-09-20
Anticipated expiration: 2028-11-21

Abstract

A kind of bag filter with Anti-air-leakage function, mainly includes bag filter ontology and air inlet general pipeline, and the ontology inner route clapboard is separated into the dedusting area of front and the bypass area at rear portion；Filter bag is equipped in the dedusting area, bottom is equipped with ash bucket；The bypass area bottom is sealing, the air inlet general pipeline is equipped with triple valve, other two reduction of fractions to a common denominator of the triple valve is not connected with dedusting area sidewall bottom and bypass area's sidewall bottom, it is successively arranged the first cavity plate and the second cavity plate from bottom to up in the bypass area, several rectangles, which are uniformly provided with, in first cavity plate crosses air port, it is corresponding with air port is crossed in second cavity plate to be equipped with several circular ventilation mouths, described cross is equipped with sealing device in air port and ventilation opening, this bag filter scientific structure design, bypass protection good airproof performance, with double-layer access door, air leakage phenomena can be effectively reduced.

Description

A kind of bag filter with Anti-air-leakage function

Technical field

The utility model relates to bag filter field more particularly to a kind of bag filters with Anti-air-leakage function.

Background technique

Generally bypass protection can be all set in bag filter, bypass protection is generally exactly the inlet and outlet in bag filter Bypass valve is set on flue, when smoke temperature be more than filter bag can bear temperature range when or filter bag pressure difference be greater than the set value and When drop is not got off, bypass valve is automatically opened, and the exits and entrances valve of bag filter is closed, and flue gas is directly over air-introduced machine and is discharged to Chimney.Bypass valve has built-in and two kinds of external, and built-in bypass valve is in the inlet and outlet cigarette by bag filter ontology It is arranged on road, it is compact-sized.

But general bypass valve designs are single layer valve bonnet seal or bilayer, valve plate will appear deviation after long-play, It causes to leak out

Because if as long as bypass valve is a little revealed, do not need how long, the sealing surface of bypass valve can seriously be blown Damage, leakage obviously increase, and discharge is exceeded, and suction ventilator is seriously worn and damages.

Utility model content

The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of scientific structure design, Bypass protection good airproof performance has double-layer access door, can effectively reduce a kind of cloth with Anti-air-leakage function of air leakage phenomena Bag dust collector.

To realize the utility model the following technical schemes are provided:

A kind of bag filter with Anti-air-leakage function mainly includes bag filter ontology and enters the wind general pipeline, described Ontology inner route clapboard is separated into the dedusting area of front and the bypass area at rear portion；Filter bag is equipped in the dedusting area, bottom is equipped with ash Bucket；The bypass area bottom is sealing, the air inlet general pipeline equipped with triple valve, other two reduction of fractions to a common denominator of the triple valve not with remove Dirt area sidewall bottom is connected with bypass area's sidewall bottom, is successively arranged the first cavity plate and the second chamber from bottom to up in the bypass area Plate is uniformly provided with several rectangles in first cavity plate and crosses air port, in second cavity plate it is corresponding with air port is crossed be equipped with it is several Circular ventilation mouth, described cross are equipped with sealing device in air port and ventilation opening.

Preferably, the sealing device mainly includes sequentially connected cylinder, back taper sealing-plug and rectangle valve plate, institute Cylinder and sealing-plug are stated, connecting rod is equipped between sealing-plug and valve plate, the cylinder is located above bypass area, the sealing-plug Ventilation opening is clogged, the valve plate pushed down air port.

Preferably, the air port of crossing is venetian blind type.

Preferably, the dedusting area side wall upper part is equipped with the first air outlet, bypass area's side wall upper part is equipped with second Air outlet.

Preferably, the bodies top is additionally provided with upper layer and lower layer maintenance door.

The usefulness of the utility model:

First: the first cavity plate and the second cavity plate being set in bypass area, realize the double-deck isolation, while utilizing sealing-plug and valve plate Cooperation realize sealing, prevent because valve plate deviate and cause to leak out；

Second: crossing air port is venetian blind type, is pushed down using valve plate, better tightness；

Third: top setting double-layer access door can reduce the air leakage phenomena at the top of bag filter, while the double-deck maintenance Door thermal insulation property is more preferable, effectively prevent internal condensation.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model.

Fig. 2 is the utility model front view.

Fig. 3 is side view when bypass area opens.

Fig. 4 is maintenance door structural schematic diagram.

In figure: 1 being air inlet general pipeline, 1.1 be triple valve, 2 be ontology, 3 be partition, 4 be dedusting area, 4.1 be filter bag, 4.2 Be ash bucket, 5 be bypass area, 5.1 be the first cavity plate, 5.2 be the second cavity plate, 5.3 be air port, 5.4 be ventilation opening, 6 be sealing Device, 6.1 be cylinder, 6.2 be sealing-plug, 6.3 be valve plate, 6.4 be connecting rod, 7 be the first air outlet, 8 be the second air outlet, 9 be maintenance door.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein Example is applied only to explain the utility model, is not used to limit the utility model.

It should be noted that it can directly exist when element is referred to as " being fixed on " or " being set to " another element On another element or indirectly on another element.When an element is known as " being connected to " another element, it It can be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed Or implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or Two or more, unless otherwise specifically defined.

A kind of bag filter with Anti-air-leakage function mainly includes bag filter ontology 2 and air inlet general pipeline 1, institute It states 2 inner route clapboard 3 of ontology and is separated into the dedusting area 4 of front and the bypass area 5 at rear portion；It is equipped with filter bag 4.1 in the dedusting area 4, Bottom is equipped with ash bucket 4.2；5 bottom of bypass area is sealing, and the air inlet general pipeline 1 is equipped with triple valve 1.1, the triple valve 1.1 other two reduction of fractions to a common denominator is not connected with 4 sidewall bottom of dedusting area and bypass 5 sidewall bottom of area, in the bypass area 5 from bottom to up It is successively arranged the first cavity plate 5.1 and the second cavity plate 5.2, several rectangles is uniformly provided in first cavity plate 5.1 and crosses air port 5.3, It is corresponding with air port 5.3 is crossed equipped with several circular ventilation mouths 5.4 in second cavity plate 5.2, it is described to cross air port 5.3 and ventilation opening Sealing device 6 is equipped in 5.4, the sealing device 6 mainly includes sequentially connected cylinder 6.1, back taper sealing-plug 6.2 and square Shape valve plate 6.3, the cylinder 6.1 and sealing-plug 6.2, are equipped with connecting rod 6.4, the gas between sealing-plug 6.2 and valve plate 6.3 6.1 cylinders are located at 5 top of bypass area, and the sealing-plug 6.2 clogs ventilation opening 5.4, and the valve plate 6.3 pushed down air port 5.3, described Crossing air port 5.3 is venetian blind type, and 4 side wall upper part of dedusting area is equipped with the first air outlet 7, and 5 side wall upper part of bypass area is set There is the second air outlet 8, is additionally provided with upper layer and lower layer maintenance door 9 at the top of the ontology 2.

Utility model works principle:

When normal work, bypass area 5 is closed, and dusty gas enters dedusting area 4 after entering triple valve 1.1 from air inlet general pipeline 1, After 4.1 dedusting of filter bag, it is discharged by the first air outlet 7.

When there is emergency (referring to attached drawing 3), dusty gas is introduced bypass area 5 by triple valve 1.1, and cylinder 6.1 drives Sealing-plug 6.2 and valve plate 6.3 move upwards, and dusty gas is blown bottom-up, and crossing air port 5.3 is venetian blind type, by ash-laden gas Body is blown open, then by ventilation opening 5.4, is discharged from the second air outlet 8.

After bypassing the opening of area 5, it is unable to long-play, it should be overhauled immediately.

It bypasses area 5 to reset, closes the entrance that triple valve 1.1 leads to bypass area 5, cross air port 5.3 and close, cylinder 6.1 drives Sealing-plug 6.2 and valve plate 6.3 move downward, and valve plate 6.3 is pushed down air port 5.3 is crossed, and sealing-plug 6.2 clogs ventilation opening 5.4, complete At the sealing in bypass area.

The utility model is not limited to a kind of cloth bag with Anti-air-leakage function involved in above-mentioned specific embodiment Deduster, those skilled in the art can also make a variety of variations accordingly, but any be equal with the utility model or similar As change and should all cover in the range of the utility model claims.

Claims

1. a kind of bag filter with Anti-air-leakage function mainly includes bag filter ontology and air inlet general pipeline, feature Be: the ontology inner route clapboard is separated into the dedusting area of front and the bypass area at rear portion；Filter bag, bottom are equipped in the dedusting area Portion is equipped with ash bucket；The bypass area bottom is sealing, and the air inlet general pipeline is equipped with triple valve, and other the two of the triple valve are logical It is connected respectively with dedusting area sidewall bottom and bypass area's sidewall bottom, is successively arranged the first cavity plate from bottom to up in the bypass area With the second cavity plate, it is uniformly provided with several rectangles in first cavity plate and crosses air port, it is corresponding with air port is crossed in second cavity plate Equipped with several circular ventilation mouths, described cross is equipped with sealing device in air port and ventilation opening.

2. a kind of bag filter with Anti-air-leakage function according to claim 1, it is characterised in that: the sealing dress Set mainly includes sequentially connected cylinder, back taper sealing-plug and rectangle valve plate, the cylinder and sealing-plug, sealing-plug and valve plate Between be equipped with connecting rod, the cylinder is located above bypass area, and the sealing-plug clogs ventilation opening, and the valve plate pushed down wind Mouthful.

3. a kind of bag filter with Anti-air-leakage function according to claim 1, it is characterised in that: described to cross air port For venetian blind type.

4. a kind of bag filter with Anti-air-leakage function according to claim 1, it is characterised in that: the dedusting area Side wall upper part is equipped with the first air outlet, and bypass area's side wall upper part is equipped with the second air outlet.

5. a kind of bag filter with Anti-air-leakage function according to claim 1, it is characterised in that: the ontology top Portion is additionally provided with upper layer and lower layer maintenance door.