CN103910149A

CN103910149A - Dust remover

Info

Publication number: CN103910149A
Application number: CN201310006697.9A
Authority: CN
Inventors: 黄顶强; 李健雄; 孙志山; 黄勇强; 刘运智
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2013-01-09
Filing date: 2013-01-09
Publication date: 2014-07-09
Anticipated expiration: 2033-01-09
Also published as: CN103910149B

Abstract

The invention discloses a dust remover. The dust remover comprises a dust collecting cone, an air inlet tube connected with the dust collecting cone, a signal-layer flap valve, a flat valve and a sealing box body, wherein the signal-layer flap valve, the flat valve and the sealing box body are sequentially arranged on a dust outlet at the lower end of the dust collecting cone, dust collected in the dust collecting cone is fed into the sealing box body by controlling the signal-layer flap valve and the flat valve so as to achieve closed dust collection. The signal-layer flap valve, the flat valve and the sealing box body are sequentially arranged at the lower end of the dust collecting cone, an original hand-pulled gate valve is replaced, direct open discharging of the original hand-pulled gate valve is changed into closed discharging, and secondary environment pollution is avoided.

Description

Dust exhaustor

Technical field

The present invention relates to environmental protection equipment field, particularly a kind of dust exhaustor.

Background technology

(in figure, arrow represents blast pipe air intake direction) as shown in Figure 1; in existing environmental protection industry, dust exhaustor comprises: the collection ash cone 11 vertically arranging and the blast pipe 12 being connected with this collection ash cone 11; the lower end that collects grey cone 11 is provided with and pulls gate valve 13, for discharging the dust of collection.

Because adopting, existing dust exhaustor simply pulls the direct open type discharge of gate valve, do not take any measure, easily produce airborne dust, environment is caused to secondary pollution, and the dust ground of being scattered, contaminated environment, often need the dust of the more manpower site clearing of cost, bring very large production pressure to enterprise, simultaneously employee's production environment is severe, directly affects that it is healthy.In addition, the lubricated rotary part of dust exhaustor enters dust, can cause device damage.

Summary of the invention

The present invention is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, and closed discharge avoids causing the dust exhaustor of secondary environmental pollution.

For achieving the above object, according to the invention provides a kind of dust exhaustor, comprise: collect grey cone and the blast pipe being connected with the grey cone of collection, and be successively set on individual layer flap valve, flap type and the seal case of collection grey cone lower end ash hole, collect the dust of collecting in grey cone and enter seal case by individual layer flap valve and flap type control, to realize closed gathering dust.

In technique scheme, the internal diameter of individual layer flap valve, flap type has same inner diameter with the grey cone ash hole of collection.

In technique scheme, flap type by cylinder control to ash discharge in seal case.

In technique scheme, between individual layer flap valve and flap type, be provided with mounting flange, gasket seal.

In technique scheme, in seal case, be also provided with receipts ash bin.

In technique scheme, between blast pipe and seal case, be provided with counter flow pipe.

In technique scheme, counter flow pipe comprises: be separately positioned on blast pipe and airduct and the plastic pipe that is connected airduct on seal case.

In technique scheme, on the airduct being connected with seal case, adjusting valve is installed.

Compared with prior art, the present invention has following beneficial effect: this dust exhaustor is by setting gradually individual layer flap valve, flap type and seal case in the lower end of the grey cone of collection, replace original gate valve that pulls, pull the discharge of the direct open type of gate valve and be improved to closed discharge original, avoid causing the secondary pollution of environment.

Brief description of the drawings

Fig. 1 is the structural representation of existing dust exhaustor;

Fig. 2 is the structural representation of dust exhaustor of the present invention;

Description of reference numerals:

11-collection ash cone, 12-blast pipe, 13-pulls gate valve, 21-collection ash cone, 22-blast pipe, 23-individual layer flap valve, 24-flap type, 25-seal case, 26-cylinder, 27-receives ash bin, 28-adjusting valve, 29-plastic pipe.

Detailed description of the invention

Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of detailed description of the invention.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " be all taking the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technical scheme of the present invention.

Dust exhaustor of the present invention is by setting gradually individual layer flap valve, flap type and seal case in the lower end of the grey cone of collection, replace original gate valve that pulls, pull the discharge of the direct open type of gate valve and be improved to closed discharge original, avoid causing the secondary pollution of environment.

(in figure, arrow represents blast pipe air intake direction) as shown in Figure 2, the concrete structure of this dust exhaustor comprises: the collection ash cone 21 vertically arranging and the blast pipe 22 being connected with this collection ash cone 21, and be successively set on the individual layer flap valve 23, flap type 24 and the seal case 25 that collect grey cone 21 lower end ash holes.The internal diameter of individual layer flap valve 23, flap type 24 is consistent with the internal diameter of grey cone 21 ash holes of collection, and individual layer flap valve 23 unloads ash place's ash discharge by gravity control collection ash cone 21, and flap type 24 is by the place's ash discharge of cylinder control ash discharge pipeline; The dust that collects grey cone 21 interior collections is controlled and is entered seal case 25 by individual layer flap valve 23 and flap type 24, gathers dust.

Wherein, individual layer flap valve 23 plays ash discharge and sealing function, is to utilize the deadweight of material (dust of collection) to carry out automatic ash-discharging device, and in the time that weight of material reaches 8 jin, unidirectional opening, resets and close while being less than this weight, and this flashboard can reset by failure-free.Individual layer flap valve 23 adopts high-quality steel to be welded, simple in structure, and freely, valve plate slides flexibly in operation, and sealing property is good, and local resistance loss is little, and adjusting function is good, and maintaining convenient disassembly is not yielding.Collect the burn-on flange of thick 10mm of grey cone 21 lower end ash holes, be connected by screw-nut with individual layer flap valve 23, be connected this valve at right angle setting in individual layer flap valve 23 lower ends with a secondary flange with flap type 24, when installation, between two flanges, must add gasket seal, then evenly lock tie bolt.

Flap type 24 is controlled ash discharge pipeline place to the interior ash discharge of seal case 25 by cylinder 26, and cylinder 26 one end are connected with compression gas pipe, and compressed air pressure 0.4-0.7Pa must add gasket seal between two flanges when installation.Flap type level is installed, and flap type 24 comprises: actuating unit, valve body, plate, sealing arrangement and travel switch.Flap type 24 setting-up times are within 10 minutes, to open an ash discharge, send instructions to the pneumatic control system of flap type by time relay, the source of the gas output command of pneumatic control system is to actuating unit, drive plate extrapolated by actuating unit, flap type is opened, otherwise close push-pull valve, flap type plate inwardly advances.Flap type 24 full-closed structures, protective is good, can adapt to round-the-clock requirement, and flat gate valve is closed and can automatically be laid down chamber pressure, ensures to use safety.In the time of standard-sized sheet, passage is smoothly straight line, without loss of pressure, and the sealing of flat gate valve inlet-outlet bidirectional; And this structure can reach light controlled valve.

Flap type 24 lower ends are connected and are connected with screw-nut with airduct by a secondary flange, the high 300mm of airduct, thick 4mm, and the grey case lid welding of airduct and seal case 25, grey case lid adopts the steel plate of thick 4mm to make.Manufacture welded seal casing with L70X70 angle steel, 12# channel-section steel, thick 4mm steel plate, seal case sealing, prevents flour dust overflow and airborne dust, and contaminated environment, avoids environment to cause secondary pollution.

25 li of seal cases are laid and are received ash bin 27, receive ash bin 27 use 16# channel-section steels, thick 12mm steel plate is manufactured, and receipts ash bin 27 has the function of gathering dust and transporting dust.

The aperture that direction is opened a diameter 80mm under the near-end of collection grey cone 21 and blast pipe 22 is connected with the airduct of external diameter 76mm, wall thickness 3mm, long 150mm, and firmly, nothing is leaked out in welding; The aperture of opening a diameter 80mm at the grey case lid of seal case 25 and the equidirectional of blast pipe 21 perforates, this aperture is connected with the airduct of external diameter 76mm, wall thickness 3mm, long 150mm, and welding is firm, without leaking out; On the airduct being connected with the grey case lid of seal case 25, adjusting valve 28 is installed, adjusting valve 28 supports by supporting plate (not shown).Plastic pipe 29 by DN80 between two airducts is communicated with, two airducts and plastic pipe 29 form counter flow pipe, counter flow pipe, for purifying the floating dust of kicking up in seal case while taking out remover ash discharge dust, by the air quantity of adjusting valve control counter flow pipe, reaches the object of removing airborne dust in seal case.

This dust exhaustor, by setting gradually individual layer flap valve, flap type and seal case in the lower end of the grey cone of collection, replaces original gate valve that pulls, and will be original pulls the direct open type of gate valve and discharges and be improved to closed discharge, avoids causing the secondary pollution of environment.

Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims

1. a dust exhaustor, it is characterized in that, comprise: collect grey cone and the blast pipe being connected with the grey cone of described collection, and be successively set on individual layer flap valve, flap type and the seal case of the grey cone of described collection lower end ash hole, the dust of collecting in the grey cone of described collection enters described seal case by described individual layer flap valve and flap type control, to realize closed gathering dust.

2. dust exhaustor according to claim 1, is characterized in that: the internal diameter of described individual layer flap valve, flap type has same inner diameter with the grey cone ash hole of collection.

3. dust exhaustor according to claim 1, is characterized in that: described flap type by cylinder control to ash discharge in described seal case.

4. dust exhaustor according to claim 1, is characterized in that: between described individual layer flap valve and flap type, be provided with mounting flange, gasket seal.

5. dust exhaustor according to claim 1, is characterized in that: in described seal case, be also provided with receipts ash bin.

6. according to the dust exhaustor described in any one in claim 1 to 5, it is characterized in that: between described blast pipe and seal case, be provided with counter flow pipe.

7. dust exhaustor according to claim 6, is characterized in that: described counter flow pipe comprises: be separately positioned on blast pipe and airduct and the plastic pipe that is connected described airduct on seal case.

8. dust exhaustor according to claim 7, is characterized in that: on the airduct being connected with described seal case, adjusting valve is installed.