CN2055738U

CN2055738U - Dual-chamber intercommunicated densely arranged flat filtering bag dust remover

Info

Publication number: CN2055738U
Application number: CN 89206841
Authority: CN
Inventors: 魏廖源; 陈能宝
Original assignee: Fuzhou University
Current assignee: Fuzhou University
Priority date: 1989-05-04
Filing date: 1989-05-04
Publication date: 1990-04-11

Abstract

The utility model relates to a novel dual-chamber intercommunicated densely arranged flat filtering bag dust remover, which is composed of an upper box body, a lower box body, a cover plate, etc. The dual-chamber intercommunicated densely arranged flat filtering bag dust remover is characterized in that the upper box body is divided into a left and a right dust removing filtering chambers, and the clear air spaces of the left and the right chambers are communicated mutually, and the lattice hole of a lattice plate which is equipped with a densely arranged flat filtering bag is a flat long rectangle hole. A left and a right cyclone cylinders are arranged in the lower box body, and two cyclone cylinders share with an air inlet which is provided with an inverting valve. The dust remover of the utility model has good compactness, and can expand filtering area and reduce volume greatly, and steel products can be saved about 30%, and a set of exclusive use dust removal equipment of back blowing machines is saved with simple operation and convenient control.

Description

Dual-chamber intercommunicated densely arranged flat filtering bag dust remover

The utility model belongs to air purifying process, and two chambers that particularly a kind of improved purification dusty gas is used are communicated with the flat bag dust collector of solid matter.

Existing being used for casts, metallurgical, the various sack cleaners or the bag hose of industry production such as mine, adorning some round cloth bags in its dust cleaning case, also have plenty of flat bag-type dust is housed, these cloth filter bags are sleeved on the hole lattice of lattice board in the dirt pocket, hole lattice on the lattice board (can determine the shape and the arrangement position of cloth filter bag) are not rounded arrangements, be the bigger broadside rectangular arranged of width exactly, limited density and quantity that strainer is arranged, it is big to have produced the shared space of in dirt pocket unit filter area, filter area is little, compactedness is poor, the dust cleaning case volume is big, the shortcoming that consumptive material is many.In order in time to remove the dust stratification that is trapped on the filter bag, existing bag hose all is equipped with a cover to comprise the special-purpose ash removing equipment of back blowing machine, has increased manufacturing cost.

Task of the present utility model is a kind of improved flat bag dust collector of two chambers connection solid matters that is used to remove various dust of design, the compactedness that this novel its filter bag of sack cleaner is arranged is good, the shared volume energy of unit filter area reduces significantly, can also save the deashing device that a cover contains back blowing machine, ash-clearing structure is simplified, can reach and fall low material consumption significantly, reduce manufacturing cost and the convenient purpose of control simple to operate.

Task of the present utility model realizes in the following manner: deduster is divided into upper box and lower box two large divisions, wherein the upper box inner chamber is separated into left chamber and right ventricle with a dividing plate, adorn the flat filter bag of solid matter in the left and right chamber, forming the filter chamber of dusty gas.It is to lean on the prolate rectangular opening lattice of the solid matter that distributing on the lattice board to realize that flat filter bag is installed with the solid matter form.One cover plate is arranged at the top of upper box (being the top of left and right chamber), and cover plate is a clean gas space that is communicated with space between the top, left and right chamber, and the clean room at top, promptly left and right chamber is interconnected.An air outlet on chamber, a left side and the also shared cover plate in right ventricle is equipped with the valve that can close air outlet in the air outlet.Left and right two whirlwind tubes are arranged in the lower box, aim at the bottom of left chamber and right ventricle respectively.Two whirlwind tubes all are furnished with flue-dust retainer separately.The shared air inlet of left and right two whirlwind tubes is equipped with an adjustable commutation valve in the air inlet, this commutation valve can arbitrarily be closed the air intake duct of any one whirlwind tube of the left and right sides by need of work, to cut off entering of dusty gas.The course of work of deduster and dust removal mechanism are such: during operate as normal, commutation valve in the air inlet is in the centre position, dusty gas divides a left side, right two-way tangentially enters the inwall of whirlwind tube separately and makes the high speed circular motion, particularly big dust particle is separated and fall in separately the flue-dust retainer under centrifugal action to make most dust, remaining granule dust enters the left side of upper box respectively with gas, in the right ventricle, captured further by the flat filter bag of solid matter and to remove by filter surplus dirt, the gas of final purification enters clean room and enters atmosphere by air outlet.When flat filter bag dust stratification too many, influence gas permeability, when needing to remove the dust stratification on it, during as the dust stratification on the elder generation's left chamber of removing filter bag, can control the commutation valve in the air inlet, make it close and cut off the air intake duct of left side whirlwind tube, close the valve of air outlet simultaneously, because of top, left and right chamber in the upper box is connected state, so just chamber blowback left of the clean gas at top, right ventricle, make flat filter bag shake and vibration or beating mutually in the left chamber, can shake off to stick to the laying dust on the filter bag and allow it fall in the flue-dust retainer.Laying dust with on the same manner removing right ventricle cloth bag makes filter bag recover gas permeability.

The utility model is further introduced below in conjunction with drawings and Examples:

Fig. 1 is the overall structure schematic diagram of the utility model deduster,

Fig. 2 is the prolate rectangular opening lattice schematic diagram of solid matter on the lattice board,

Fig. 3 is that stay, flat filter bag are installed in the schematic diagram on the lattice board,

Fig. 4 is the schematic diagram of commutation valve in the air inlet.

Wherein, 1, cover plate, 2, left chamber, 3, air outlet, 4, valve, 5, the valve handle, 6, the right ventricle, 7, dividing plate, 8, differential manometer, 9, upper box, 10, air inlet, 11, the commutation valve, 12, lower box, 13, auger conveyor, 14, flue-dust retainer, 15, the whirlwind tube, 16, flat filter bag, 17, stay, 18, lattice board, 19, prolate rectangular opening lattice, 20, spring, 21, tractive magnet.

With reference to Fig. 1, upper box 9 of the present utility model and lower box 12 can the split manufacturings and are connected with flange, at this moment lattice board 18 can on be contained in the top of left and right chamber, make flat filter bag 16 be outer filter duty during dedusting, also can play the dress bottom to be interior filtering dust collecting state (not drawing among the figure), to adapt to the needs of different dedusting occasion conditions.Upper and lower casing also can make all-in-one-piece.Adorning the flat filter bag 16 of solid matter in the upper box 9, and it is being divided into left chamber 2 and right ventricle 6, the common filter space of forming in left and right two Room with dividing plate 7.Cover plate 1 is connected with upper box 9 with form of flanges, is the clean gas space between upper box 9 head portions (being the top of left and right chamber) and the cover plate 1, and the clean room at top, left and right chamber is interconnected.One air outlet 3 is arranged on cover plate 1, the valve 4 of a band handle 5 is arranged on the air outlet 3, plate fixed handle 5 can open or close air outlet 3.Being used for hole lattice on the lattice board 18 of the flat filter bag 16 of suit as can be seen from Figure 2 makes the prolate rectangular opening lattice 19 of solid matter, distance between every adjacent two hole lattice is between 40～90mm, flat as can be seen from Figure 3 filter bag 16 should keep certain clearance space passage as clean gas, these clearance spaces are realized by stay 17, stay 17 is generally done forming V-shape better (being similar a kind of trapezoidal shape), and the vertical sectional shape of flat filter bag 16 depends on the shape of stay 17.Stay 17 can hang on the hole lattice of lattice board 18.(when being interior filtering dust collecting, because of lattice board 18 is contained in the upper box lower end, stay 17 can hang on the interior hook of cover plate 1,＜not drawing among the figure 〉).Continuation has left and right two whirlwind tubes 15 with reference to Fig. 1 in the lower box 12, and disposes flue-dust retainer 14 separately.Air inlet 10 of left and right two whirlwind tubes, 15 common uses.An adjustable commutation valve 11(is housed in air inlet 10 sees Fig. 4), commutation valve 11 can be in the centre position or close the air intake duct of any one whirlwind tube of limit, the left and right sides by need of work.When operate as normal, commutation valve 11 is in the centre position under the spring force effect of both sides, and the inlet mouth of left and right whirlwind tube 15 is open-minded.Removing the work of filter bag dust stratification can adopt manual operation and operate dual mode automatically.Adopt when manual, can on commutation valve 11, make one handle (not drawing among the figure), (differential manometer 8 is contained on the upper box 9 by the pressure reading on the manual observation differential manometer 8, its two contacts are connected with clean gas space and filter chamber respectively), too many when flat strainer 16 dust stratifications, when pressure reading surpassed setting, the handle that can handle commutation valve 11 was to cut off the air intake duct of a left side or the right whirlwind tube 15, close the valve 4 of air outlet simultaneously, can remove the laying dust on the filter bag in a left side or the right ventricle.When employing is operated deashing automatically, can remove the differential manometer 8 on the upper box 9, reequip a pressure sensor (not drawing among the figure), one tractive magnet 21(is installed at air inlet 10 places simultaneously or adopts air pressure or hydraulic pressure automatic control system), utilize this pressure sensor to send the opening and closing action of signal controlling tractive magnet 21 until control commutation valve 11, thus the purpose of accomplishing irregularly to remove automatically the filter bag dust stratification.Auger conveyor 13 is to be used for carrying the dust stratification of removing in two flue-dust retainers 14.

The utility model deduster is because using structure, the compactedness height of two flat filter bags of chamber solid matter, can enlarge to greatest extent filter area, under identical filter area, existing each the model sack cleaner of its volume ratio is little by about 50%, but saving steel consumption about about 30%. The air inlet dustiness of filtering can be up to 60 gram/m³, dust removing effects is remarkable. The utility model is for the big occasion of dedusting workload, and also available many machines merge use with parallel form. Removing work to laying dust on the filter bag is simple, and is not only easy to operate, can also save the special-purpose ash removing equipment of a cuff back blowing machine, further saved cost.

Claims

1, a kind of novel two chambers are communicated with the flat bag dust collector of solid matter, comprise upper box 9, lower box 12, cover plate 1, flat filter bag 16, lattice board 18, whirlwind tube 15, air inlet 10, air outlet 3, flue-dust retainer 14 and auger conveyor 13, it is characterized in that:

A, upper box 9 usefulness dividing plates 7 are separated into left chamber 2 and right ventricle 6, and left and right chamber is formed the filter chamber of dusty gas jointly, and the clean gas space at top, left and right chamber is interconnected.

Adorn the flat filter bag 16 of solid matter in b, the left and right chamber, be used for the prolate rectangular opening lattice 19 of the Kong Gewei solid matter on the card 18 of the flat filter bag 16 of suit.

Left and right two whirlwind tubes 15 are arranged in c, the lower box 12, and aim at the bottom of left chamber 2 and right ventricle 6 respectively, these two whirlwind tubes the commutation valve 11 that can close left and right any one whirlwind tube air intake duct by need of work is housed in the shared air inlet 10, about two whirlwind tubes 15 also dispose separately flue-dust retainer 14.

2, according to the described deduster of claim 1, the distance that it is characterized in that every adjacent two prolate rectangular opening lattice 19 on the lattice board 18 is between 40～90mm.

3,, it is characterized in that being to utilize V-arrangement stay 17 to realize that the vertical sectional shape of flat filter bag 16 depends on the shape (resembling a kind of trapezoidal shape) of stay 17 at interval in the flat filter bag 16 according to the described deduster of claim 1.

4,, it is characterized in that being located at a valve 4, shared this air outlet 3 in left and right chamber are installed in the air outlet 3 on the cover plate 1 according to the described deduster of claim 1.

5,, it is characterized in that when with the dust stratification on the flat filter bag 16 of manual removing, one differential manometer 8 can being installed, handle of system on commutation valve 11 on upper box 9 according to the described deduster of claim 1.

6, according to the described deduster of claim 1, when it is characterized in that, a pressure sensor can be installed on upper box 9 for the dust stratification on the flat filter bag 16 of automatic removing, the tractive magnet 21 that can control commutation valve 11 is installed at air inlet 10 places simultaneously.

7,, it is characterized in that lattice board 18 can also can followingly be adorned by above dress in order to adapt to different dedusting occasion condition needs according to the described deduster of claim 1.

8, according to the described deduster of claim 1, it is characterized in that upper box 9 and lower box 12 can be split type, also can be all-in-one-piece.