Divide storehouse cycle operation formula pulse dust removal device
Technical field
The utility model relates to medical process units, particularly relates to a kind of minute storehouse cycle operation formula pulse dust removal device.
Background technology
In pharmaceuticals industry and the dry dedusting application technology of feedstuff industry, pulse dust removal is the engineering process of a cover comparative maturity, in actual production, find for many years, because the malleation that the air compressor of controlling at negative pressure and the impulse electromagnetic valve of air-introduced machine work generation produces, cause on the dust-removal cloth-bag 1/2 part dust removing effects fine, but back 1/2 cloth bag is along with the prolongation of length, also weakening gradually, final bottom section, because air pressure is disperseed, cause dust to be attached on the cloth bag and indivisible, cloth bag top is also because air pressure is higher than the cloth bag bottom, and air pressure is inhomogeneous at whole dust-removal cloth-bag air pressure, make cloth bag the first half pressure all the time all greater than the latter half, along with the increase of service time, cause cloth bag the first half cloth hole to be stressed easily and become big gradually, cause dust to leak powder, and dust-removal cloth-bag the latter half is also because of a little less than the air pressure, allow be attached to dust on the cloth bag, form the block wafer layers of one deck, do not reach the same dust removing effects in whole piece cloth bag top and the bottom.Discover that for many years the problem that above-mentioned dedusting exists causes dust-removal cloth-bag to be changed once in 30~35 days, the increase of cloth hole causes dust-removal cloth-bag leakage powder phenomenon serious, and certain economic loss is arranged; Also bring very big difficulty to environmental improvement, the dust amount lost is greater than 3%.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to utilize warehouse separated type pulse dust removal device, and the engineering process of cover energy dedusting steady in a long-term is provided.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of minute storehouse cycle operation formula pulse dust removal device, and it comprises:
The dedusting storehouse comprises the following warehouse, middle warehouse and the last warehouse that are communicated with successively from the bottom to top; Described warehouse down is communicated with the dusty gas entrance, and the described warehouse of going up is divided into a plurality of air inducing storehouses that keep apart mutually, in the described middle warehouse filtration cloth bag that is communicated with respectively with each air inducing storehouse is set;
The Compressed Gas feeding unit links to each other respectively with each air inducing storehouse, and its connecting pipeline is provided with the air positive pressure impulse electromagnetic valve, for each air inducing storehouse provides positive pressure air;
The Purge gas deliverying unit comprises the air inducing arm that is communicated with respectively with each air inducing storehouse, and the air inducing house steward who all is communicated with each air inducing arm, and described air inducing house steward connects purified gas outlet;
Described warehouse bottom down is provided with dust-collecting bin, collects by the dust of discharging in the dusty gas.
Wherein, described Compressed Gas feeding unit comprises screw air compressor and coupled air accumulator, and described air accumulator links to each other with each air inducing storehouse.
Wherein, the described warehouse of going up surrounds into hollow cylinder by top cover, sidewall and base plate, along the described warehouse of going up a plurality of dividing plates is set radially, to form a plurality of air inducing storehouse, offer passage on the described base plate, an end of described air inducing arm is arranged on the described top cover, to be connected with described air inducing storehouse.
Wherein, be provided with the pulse pneumatic isolating valve on each described air inducing arm, with the conducting of controlling described air inducing arm with close.
Wherein, described air positive pressure impulse electromagnetic valve is connected electronic pulse controller respectively with the pulse pneumatic isolating valve, controls opening or closing of described air positive pressure impulse electromagnetic valve and pulse pneumatic isolating valve by described electronic pulse controller.
Wherein, be provided with Blowing stopper bottom the described dust-collecting bin.
Wherein, described air inducing house steward is provided with air-introduced machine, and described purified gas outlet links to each other with described air-introduced machine.
Wherein, the described warehouse of going up is divided into five air inducing storehouses that keep apart mutually.
(3) beneficial effect
The branch storehouse cycle operation formula pulse dust removal device that technique scheme provides, be the jet deashing in air inducing storehouse by air positive pressure impulse electromagnetic valve loop control Compressed Gas feeding unit, whole cloth bag pressurized is even, the dust dedusting is thorough, cloth bag extends to 240 days service life, and powder leakage rate can be down to 1.2%, and remarkable in economical benefits promotes, the workshop air environment can be greatly improved, and has directly improved operating efficiency.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment branch storehouse cycle operation formula pulse dust removal device.
Wherein, 1: the dusty gas entrance; 2: screw air compressor; 3: air accumulator; 4: the air positive pressure impulse electromagnetic valve; 5: top cover; 6: the air inducing storehouse; 7: the pulse pneumatic isolating valve; 8: filter cloth bag; 9: Blowing stopper; 10: truck; 11: air-introduced machine; 12: purified gas outlet; 13: electronic pulse controller; 14: the air inducing house steward; 15: the air inducing arm.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Fig. 1 shows the structural representation of present embodiment branch storehouse cycle operation formula pulse dust removal device, and with reference to diagram, the present embodiment dust arrester comprises: the dedusting storehouse comprises the following warehouse, middle warehouse and the last warehouse that are communicated with successively from the bottom to top; Described warehouse down is communicated with dusty gas entrance 1, and the described warehouse of going up is divided into a plurality of air inducing storehouses 6 that keep apart mutually, in the described middle warehouse filtration cloth bag 8 that is communicated with respectively with each air inducing storehouse 6 is set; The Compressed Gas feeding unit links to each other respectively with each air inducing storehouse 6, and its connecting pipeline is provided with air positive pressure impulse electromagnetic valve 4, for each air inducing storehouse 6 provides positive pressure air; The Purge gas deliverying unit comprises the air inducing arm 15 that is communicated with respectively with each air inducing storehouse 6, and the air inducing house steward 14 who all is communicated with each air inducing arm 15, and described air inducing house steward 14 connects purified gas outlet 12; Described warehouse bottom down is provided with dust-collecting bin, collects by the dust of discharging in the dusty gas.
The present embodiment dust arrester is divided into working cell, a plurality of independently air inducing storehouse by the last warehouse with former pulse dust removal device top, each air inducing storehouse has the same filtration cloth bag 8 of dedusting area for 6 times, the jet deashing of air positive pressure pulse magnetic valve 4 control Compressed Gas is arranged, when a filtration cloth bag 8 carries out jet deashing, close with air inducing storehouse 6 that this filtration cloth bag 8 is communicated with on the air inducing arm, other several air inducing arm operate as normal; After treating that these filtration cloth bag 8 deashings are finished, carry out the jet deashing work that other filter cloth bag successively, by this loop control, can realize respectively filtering the dust that adheres on the cloth bag and significantly reduce.
Particularly, described Compressed Gas feeding unit comprises screw air compressor 2 and coupled air accumulator 3, described air accumulator 3 links to each other with each air inducing storehouse 6, the compressed air that screw air compressor 2 produces feeds air accumulator 3 and stores, and is supplied to the air inducing storehouse 6 of jet deashing by air accumulator 3.The described warehouse of going up surrounds into hollow cylinder by top cover 5, sidewall and base plate, along the described warehouse of going up a plurality of dividing plates are set radially, to form a plurality of air inducing storehouse 6, present embodiment filters the effect homogeneous of cloth bag 8 jet deashings for guaranteeing each, and the described warehouse of going up radially is divided into five air inducing storehouses 6 along it.Offer passage on the described base plate, an end of described air inducing arm 15 is arranged on the described top cover 5, to be connected with described air inducing storehouse 6.Be provided with pulse pneumatic isolating valve 7 on each described air inducing arm 15, with the conducting of controlling described air inducing arm 15 with close, when certain air inducing arm 15 is closed by 7 controls of pulse pneumatic isolating valve, then open the air positive pressure impulse electromagnetic valve 4 on the air inducing storehouse 6 corresponding with this air inducing arm 15, the filtration cloth bag 8 of the compressed air in the air accumulator 3 being introduced air inducing storehouse 6 correspondences carries out jet deashing.Described air positive pressure impulse electromagnetic valve 4 and pulse pneumatic isolating valve 7 are connected with electronic pulse controller 13 respectively, by opening or closing of the described electronic pulse controller 13 described air positive pressure impulse electromagnetic valves 4 of control and pulse pneumatic isolating valve 7, realize filtering the circulation deashing processing of cloth bag 8.
In the present embodiment, the dust-collecting bin bottom also is provided with Blowing stopper 9, by Blowing stopper 9 dust of dust-collecting bin bottom is drawn, and falls into truck 10, to carry out post-processed.Described air inducing house steward 14 is provided with air-introduced machine 11, and described purified gas outlet 12 links to each other with described air-introduced machine 11, to improve the efficient that Purge gas is discharged.
The process that the dust arrester of use present embodiment carries out dedusting is specially: equipment inspection before starting, checkout facility is no abnormal, start air-introduced machine 11, gas enters warehouse under the pulse dust removal storehouse by dusty gas entrance 1, middle warehouse is gone in the stepping of going forward side by side, enter in the warehouse process by filtering cloth bag 8 at dusty gas, because filtering cloth bag 8 and various effect acting in conjunction separates dirt gas, dust is attracted to and filters on the cloth bag 8, and gas passes and filters cloth bag 8 and enter warehouse through pipeline, discharge from purified gas outlet 12, dusty gas reduces gradually by the gas flow that filters cloth bag 8, electronic pulse controller regularly sends instruction, trigger each pulse pneumatic isolating valve in order, when the pulse pneumatic isolating valve 7 of one of them air inducing storehouse 6 correspondence cuts out, the air positive pressure impulse electromagnetic valve 4 of these air inducing storehouse 6 correspondences is opened simultaneously, the compressed air that screw air compressor 2 is produced is discharged in the filtration cloth bag 8 under this air inducing storehouse 6 by air accumulator 3, compressed air in the air accumulator 3 is instantaneously through air positive pressure impulse electromagnetic valve 4 each hole ejection to the winding-up pipe, filter in the cloth bag 8 to corresponding through duct injection again, filtering cloth bag 8 sharply expands under air-flow moment acting in opposition, structure and operation principle according to filter drum type precipitator, make the long-pending dust releasing that filters cloth bag 8 outer surfaces that is attached to, filter cloth bag 8 and obtain regeneration, the dust that is fallen clearly falls to the dust-collecting bin bottom, operation is carried out in each air inducing storehouse in turn, after work a period of time, Blowing stopper 9 is worked automatically, slides under the dust in the truck 10, is pushed away away by the workman.
In the present embodiment, last warehouse is divided into five air inducing storehouses 6, each air inducing storehouse 6 is connected to air inducing house steward 14 by air inducing arm 15, and with pulse pneumatic isolating valve 7 control air inducing, there is set of pulses dust arrester in each air inducing storehouse 6, when the pulse pneumatic isolating valve 7 in one of them air inducing storehouse 6 cuts out, the air positive pressure impulse electromagnetic valve 4 that is connected with this air inducing storehouse 6 is simultaneously opened, and release compressed air blows grey dedusting.In the same time, have only an air inducing storehouse 6 to carry out above-mentioned dedusting operation, as time passes, the dedusting operation is carried out in each air inducing storehouse 6 in turn.
As can be seen from the above embodiments, the utility model is the jet deashing in air inducing storehouse by air positive pressure impulse electromagnetic valve loop control Compressed Gas feeding unit, whole cloth bag pressurized is even, the dust dedusting is thorough, cloth bag extends to 240 days service life, and powder leakage rate can be down to 1.2%, and remarkable in economical benefits promotes, the workshop air environment can be greatly improved, and has directly improved operating efficiency.
The above only is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.