CN212467587U - Dust treatment device for gas-phase propylene - Google Patents

Abstract

The utility model provides a dust treatment device of gaseous phase propylene, relate to the polypropylene production field, which comprises a frame, a box body, baffling mechanism, dust removal mechanism and collecting box, wherein baffling mechanism includes the baffling board of multiunit metal, the gaseous phase propylene that contains the dust flows forward in the flow channel that comes and goes, and gaseous flow velocity constantly reduces, most dust will subside downwards under the dead weight effect, thereby baffling mechanism has pretreated most dust, and because the water conservancy diversion effect of baffling board, and then greatly prolong gaseous flow distance, the moisture that contains in the gas will adsorb on the baffling board, thereby effectively reduce the humidity of gaseous phase propylene; when gaseous propylene passed through dust removal mechanism's sack, the sack can completely cut off remaining a small amount of dust, and then realizes the high-efficient processing dust granule, simultaneously because baffling mechanism's preliminary treatment to greatly prolong the operation of sack long, reduce the later maintenance cost.

Description

Dust treatment device for gas-phase propylene

Technical Field

The utility model relates to a polypropylene production field especially relates to a dust treatment device of gaseous phase propylene.

Background

At present, in the production process of a polypropylene device, gas-phase propylene decompressed by a flash evaporation kettle is discharged to a gas holder after dust is separated by a cyclone separator, but because the separation is incomplete, some particle powder and dust pass through the gas holder along with the gas-phase propylene and then enter a compressor, so that a suction and exhaust valve of the compressor is damaged, equipment is frequently broken, the service life of the equipment is shortened, and the safety production is influenced.

Therefore, in order to effectively filter the dust of the gas-phase propylene, the dust filtering equipment is often adopted by enterprises for filtering, but the humidity of the gas-phase propylene is high, so that the filtering equipment has to be frequently maintained, and great troubles are caused to maintenance personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a dust treatment device of gas phase propylene, this processing apparatus has realized the dust that high-efficient and long-term processing gas phase propylene contains.

The utility model discloses a realize through following technical scheme: a dust treatment device of gas-phase propylene comprises a frame, a box body, a baffle mechanism, a dust removal mechanism and a collection box, wherein the box body is fixedly connected with the frame, the baffle mechanism and the dust removal mechanism are positioned in the box body, the front end of the baffle mechanism is provided with an air inlet, the gas-phase propylene sequentially passes through the baffle mechanism and the dust removal mechanism according to the flow direction of the gas-phase propylene, the baffle mechanism comprises a plurality of groups of metal baffle plates fixedly connected with the box body, the distance between every two adjacent baffle plates is continuously increased along with the flow of gas, the two ends of the adjacent baffle plates are respectively fixedly connected with the upper end or the lower end of the box body, the plurality of groups of baffle plates and the box body form a reciprocating flow channel, the dust removal mechanism is connected with the air outlet of the baffle mechanism, the dust removal mechanism comprises a plurality of groups of cloth bag supports and cloth bags sleeved outside the, the air outlet pipeline is communicated with the inside of the cloth bag through a plurality of groups of branch pipelines, and the collecting box is positioned under the box body.

The utility model discloses a baffling mechanism includes the baffling board of multiunit metal, and the gaseous phase propylene that contains the dust flows forward in the flow channel who comes and goes, along with gaseous flow, gaseous flow velocity constantly reduces, and most dust will subside downwards under the dead weight effect to baffling mechanism preliminary treatment most dust, and because the water conservancy diversion effect of baffling board, and then greatly prolong gaseous flow distance, the moisture that contains in the gas will adsorb on the baffling board, thereby effectively reduce the humidity of gaseous phase propylene; when gaseous propylene passed through dust removal mechanism's sack, the sack can completely cut off remaining a small amount of dust, and then realizes the high-efficient processing dust granule, simultaneously because baffling mechanism's preliminary treatment to greatly prolong the operation of sack long, reduce the later maintenance cost.

According to the above technical scheme, preferably, still include blowback mechanism, blowback mechanism is including the gas holder of storing nitrogen gas, the air pump, with sack assorted air duct and the spray tube that is linked together with the air duct, the spray tube is located the sack support, and be covered with the fumarole on the spray tube, the front end and the gas holder of air duct are linked together, the air pump is located the air duct, be equipped with the pneumatic valve on the air duct, after dust removal mechanism operation settlement time, cubic crystallization appears in the granule on the sack unavoidably that adsorbs, this type of crystallization will hinder gaseous passing through, the air pump is in the sack with the high-pressure drum of nitrogen gas in the gas holder this moment, thereby shake dust granule and the cubic crystallization of adsorbing on the sack fast and fall, and then the life of extension sack.

According to above-mentioned technical scheme, preferably, be equipped with gas heater on the air duct, gaseous phase propylene's humidity is higher, therefore the sack inevitably adsorbs a large amount of moisture, but this type of moisture makes the dust adsorb on the sack more easily, and consequently the sack is blowbacked in the nitrogen gas after the heating, can effectively dry the sack, reduces the absorbent steam of sack.

According to the technical scheme, preferably, a first conical storage tank is arranged under the baffle plate fixedly connected with the upper end of the box body, a second conical storage tank is arranged under the cloth bag in the box body, the lower ends of the first storage tank and the second storage tank are provided with the control valves, after the box body runs for a certain time, a large amount of dust is accumulated in the first storage tank and the second storage tank, and at the moment, the control valves are opened by workers to discharge the dust.

According to the technical scheme, preferably, the collecting box is provided with a corrugated hose connected with the outlet of the control valve in a clamping mode, and the corrugated hose can enable the first storage tank and the second storage tank to be smoothly discharged into the collecting box.

The utility model has the advantages that: the utility model discloses a baffling mechanism includes the baffling board of multiunit metal, and the gaseous phase propylene that contains the dust flows forward in the flow channel who comes and goes, along with gaseous flow, gaseous flow velocity constantly reduces, and most dust will subside downwards under the dead weight effect to baffling mechanism preliminary treatment most dust, and because the water conservancy diversion effect of baffling board, and then greatly prolong gaseous flow distance, the moisture that contains in the gas will adsorb on the baffling board, thereby effectively reduce the humidity of gaseous phase propylene; when gaseous propylene passed through dust removal mechanism's sack, the sack can completely cut off remaining a small amount of dust, and then realizes the high-efficient processing dust granule, simultaneously because baffling mechanism's preliminary treatment to greatly prolong the operation of sack long, reduce the later maintenance cost.

Drawings

Fig. 1 shows a schematic structural view according to an embodiment of the present invention, when the processing device is in the normal dust processing phase.

Fig. 2 shows another schematic structural diagram according to an embodiment of the present invention, where the blowback mechanism of the processing apparatus is in an operating phase.

In the figure: 1. a frame; 2. a box body; 3. a baffle mechanism; 4. a dust removal mechanism; 5. a collection box; 6. a blowback mechanism; 7. a baffle plate; 8. a flow channel; 9. a cloth bag; 10. an air outlet pipe; 11. a gas storage tank; 12. an air pump; 13. a gas heater; 14. an air valve; 15. a first storage tank; 16. a second storage tank.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figure, the utility model provides a gas phase propylene dust treatment device, which comprises a frame 1, a box body 2, a baffle mechanism 3, a dust removal mechanism 4, a collecting box 5 and a back flushing mechanism 6, wherein the box body 2 is fixedly connected with the frame 1, the baffle mechanism 3 and the dust removal mechanism 4 are positioned in the box body 2, the front end of the baffle mechanism 3 is provided with an air inlet, according to the flowing direction of the gas phase propylene, the gas phase propylene sequentially passes through the baffle mechanism 3 and the dust removal mechanism 4, the baffle mechanism 3 comprises a plurality of groups of metal baffle plates 7 fixedly connected with the box body 2, and along with the flowing of gas, the distance between the adjacent baffle plates 7 is continuously increased, the two ends of the adjacent baffle plates 7 are respectively fixedly connected with the upper end or the lower end of the box body 2, the plurality of groups of baffle plates 7 form a back-and-forth flowing channel 8 with the box body 2, the dust removing mechanism 4 comprises a plurality of groups of cloth bag supports and cloth bags 9 sleeved outside the cloth bag supports, two ends of each cloth bag support are detachably connected with the box body 2, an air outlet pipeline 10 is arranged at the upper end of each dust removing mechanism 4, the air outlet pipeline 10 is communicated with the inside of each cloth bag 9 through a plurality of groups of branch pipes, the collecting box 5 is positioned under the box body 2, in addition, the back blowing mechanism 6 comprises an air storage tank 11 for storing nitrogen, an air pump 12, an air heater 13, an air guide pipe matched with the cloth bags 9 and a spray pipe communicated with the air guide pipe, the spray pipe is positioned in the cloth bag supports, the spray pipe is fully provided with air injection holes, the front end of the air guide pipe is communicated with the air storage tank 11, the air pump 12 is positioned on the air guide pipe, the air guide pipe is provided with an air valve 14, after the dust removing mechanism 4 runs for a, the air pump 12 blows the nitrogen in the air storage tank 11 into the cloth bag 9 under high pressure, so that dust particles and blocky crystals adsorbed on the cloth bag 9 are quickly shaken off, the service life of the cloth bag 9 is prolonged, and the workload of maintenance personnel is reduced; because the humidity of gaseous phase propylene is higher, consequently a large amount of moisture are inevitable adsorbed to sack 9, and this type of moisture makes the dust adsorb on sack 9 more easily, and consequently sack 9 is blowbacked to nitrogen gas after the heating, can effectively dry sack 9, reduces the absorbent steam of sack 9.

The working process is as follows:

the gas-phase propylene containing dust enters the processing device through the air inlet of the baffle mechanism 3, the gas-phase propylene containing dust flows forwards in the reciprocating flow channel 8, the flowing speed of the gas is continuously reduced along with the flowing of the gas, and most of the dust is settled downwards under the action of self weight; then the gas phase propylene after pretreatment enters a dust removal mechanism 4, the gas phase propylene can directly pass through a cloth bag 9 of the dust removal mechanism 4, and the residual small amount of dust is isolated outside the cloth bag 9; after the equipment runs for a set time, the air pump 12 of the back blowing mechanism 6 blows nitrogen in the air storage tank 11 into the cloth bag 9 under high pressure, so that dust particles and blocky crystals adsorbed on the cloth bag 9 are quickly shaken off.

According to the above embodiment, it is preferable that the baffle plate 7 is a hollow mechanism penetrating front and back, and in this case, the baffle mechanism 3 has a heat radiation function, and can further adsorb moisture contained in the gas phase propylene and further dry the gas phase propylene.

Further, be equipped with conical first stock chest 15 under the baffling board 7 with 2 upper ends fixed connection of box, be located sack 9 in the box 2 and be equipped with conical second stock chest 16 under, the lower extreme of first stock chest 15 and second stock chest 16 all is equipped with the control valve, after operation for a certain time, accumulates a large amount of dust in first stock chest 15 and second stock chest 16, and staff's accessible opens the control valve and discharges the dust this moment.

Furthermore, a corrugated hose connected with the outlet of the control valve in a clamping manner is arranged on the collection box 5, and the corrugated hose can enable the dust in the first storage tank 15 and the second storage tank 16 to be smoothly discharged into the collection box 5.

The utility model has the advantages that: the utility model discloses a baffling mechanism 3 includes baffling board 7 of multiunit metal, the gaseous phase propylene that contains the dust flows forward in the flow channel 8 that comes and goes, along with gaseous flow, gaseous flow velocity constantly reduces, most dust will subside downwards under the dead weight effect, thereby baffling mechanism 3 has pretreated most dust, and because the water conservancy diversion effect of baffling board 7, and then greatly prolong gaseous flow distance, the moisture that contains in the gas will adsorb on baffling board 7, thereby effectively reduce the humidity of gaseous phase propylene; when gas phase propylene passes through the cloth bag 9 of the dust removal mechanism 4, the cloth bag 9 can isolate a small amount of residual dust, so that dust particles are efficiently treated, and meanwhile, due to the pretreatment of the baffling mechanism 3, the operation time of the cloth bag 9 is greatly prolonged, and the later maintenance cost is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A dust treatment device of gas phase propylene is characterized by comprising a rack, a box body, a baffle mechanism, a dust removal mechanism and a collection box, wherein the box body is fixedly connected with the rack, the baffle mechanism and the dust removal mechanism are positioned in the box body, the front end of the baffle mechanism is provided with an air inlet, the gas phase propylene sequentially passes through the baffle mechanism and the dust removal mechanism according to the flow direction of the gas phase propylene, the baffle mechanism comprises a plurality of groups of metal baffle plates fixedly connected with the box body, two ends of the adjacent baffle plates are respectively fixedly connected with the upper end or the lower end of the box body, the plurality of groups of baffle plates and the box body form a reciprocating flow channel, the dust removal mechanism is connected with the air outlet of the baffle mechanism, the dust removal mechanism comprises a plurality of groups of cloth bag supports and cloth bags sleeved outside the cloth bag supports, and two ends of the cloth bag supports are, the upper end of the dust removal mechanism is provided with an air outlet pipeline which is communicated with the inside of the cloth bag through a plurality of groups of branch pipes, and the collection box is positioned under the box body.

2. The gas-phase propylene dust treatment device according to claim 1, further comprising a back-blowing mechanism, wherein the back-blowing mechanism comprises a gas storage tank for storing nitrogen, an air pump, a gas guide tube matched with the cloth bag and a spray tube communicated with the gas guide tube, the spray tube is positioned in the cloth bag support, the spray tube is fully provided with air jet holes, the front end of the gas guide tube is communicated with the gas storage tank, the air pump is positioned on the gas guide tube, and the gas guide tube is provided with an air valve.

3. The gas-phase propylene dust treatment device according to claim 2, wherein the gas guide pipe is provided with a gas heater.

4. The gas-phase propylene dust treatment device according to claim 3, wherein a first tapered storage tank is arranged right below the baffle plate fixedly connected with the upper end of the box body, a second tapered storage tank is arranged right below the cloth bag in the box body, and control valves are arranged at the lower ends of the first storage tank and the second storage tank.

5. The gas-phase propylene dust processing device as claimed in claim 4, wherein the collecting box is provided with a corrugated hose connected with the outlet of the control valve in a clamping manner.

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