CN108837647B - Oil gas recovery dust collector - Google Patents
Oil gas recovery dust collector Download PDFInfo
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- CN108837647B CN108837647B CN201810549436.4A CN201810549436A CN108837647B CN 108837647 B CN108837647 B CN 108837647B CN 201810549436 A CN201810549436 A CN 201810549436A CN 108837647 B CN108837647 B CN 108837647B
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- 239000000428 dust Substances 0.000 title claims abstract description 156
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims description 67
- 239000000945 filler Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 151
- 239000007789 gas Substances 0.000 description 128
- 239000003245 coal Substances 0.000 description 10
- 238000000197 pyrolysis Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000011280 coal tar Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an oil gas recovery dust removal device, which comprises an auxiliary heating cavity (1), a dust removal cavity (2) and an oil gas condensation cavity (3), wherein an auxiliary heating pipe is arranged in the auxiliary heating cavity (1), and a condensation pipe is arranged in the oil gas condensation cavity (3); the lower end of the auxiliary heating cavity (1) is connected with an oil gas inlet pipe (4), the side part of the upper section of the auxiliary heating cavity (1) is connected with an oil gas supply pipe (5), the end part of the oil gas supply pipe (5) is communicated with the dust removing cavity (2), and a one-way valve is arranged on the oil gas supply pipe (5); the lower extreme of oil gas condensation cavity (3) is provided with condensation oil gas outlet duct (6), and the lateral part of oil gas condensation cavity (3) is connected with upper portion oil gas pipe (7). The invention has the advantages that the invention can overcome the defects of the prior art and has reasonable and novel structural design.
Description
Technical Field
The invention relates to an oil gas recovery dust removal device, and belongs to the field of packaging equipment.
Background
The coal is rich in China and less in oil, the coal resources are relatively rich, but most of the coal resources are directly used as fuel for power generation at present; on the other hand, along with the rapid increase of the economy in China, the fuel oil demand is continuously increased, so that various domestic scientific research institutions and enterprises develop a pulverized coal (or oil shale) pyrolysis upgrading process, and part of process devices are industrially enlarged. The coal tar with high added value and hydrogen-rich components is provided before coal combustion or gasification, and has very important significance for comprehensively utilizing coal resources, reducing emission of nitrogen oxides and sulfides in waste gas, improving the added value of coal and further increasing the raw material source for preparing fuel oil. However, although more pulverized coal pyrolysis processes are developed in China, at present, oil gas generated by pyrolysis has large dust content, dust enters the oil gas during condensation of the pyrolysis gas, dust particles are taken as cores for wrapping oil and dust surfaces, oil and solid (dust) are difficult to separate, coal tar with high added value generated by pyrolysis cannot be recycled to become oil sludge, equipment, pipelines, valves and the like are easy to cause, long-period stable operation cannot be realized, and development of a coal tar extraction process by pulverized coal pyrolysis is restricted.
Disclosure of Invention
The technical scheme of the invention aims at the problems existing in the prior art: the oil gas generated by pyrolysis has large dust content, dust enters the oil gas during condensation of the pyrolysis gas, the oil takes dust particles as cores to wrap the surface of the dust, the oil and the solid (dust) are difficult to separate, the high added value coal tar generated by pyrolysis cannot be recycled to become oil sludge, equipment, pipelines, valves and the like are easy to be blocked, the long-period stable operation cannot be realized, and the development of a coal tar extraction process by pulverized coal pyrolysis is restricted.
In order to solve the technical problems, the technical scheme adopted by the invention is that the oil gas recovery dust removing device comprises an auxiliary heating cavity, a dust removing cavity and an oil gas condensing cavity, wherein an auxiliary heating pipe is arranged in the auxiliary heating cavity, and a condensing pipe is arranged in the oil gas condensing cavity; the lower end of the auxiliary heating cavity is connected with an oil gas inlet pipe, the side part of the upper section of the auxiliary heating cavity is connected with an oil gas supply pipe, the end part of the oil gas supply pipe is communicated with the dust removing cavity, and a one-way valve is arranged on the oil gas supply pipe; the lower end of the oil gas condensation cavity is provided with a condensation oil gas outlet pipe, the side part of the oil gas condensation cavity is connected with an upper oil gas guide pipe, and the end part of the upper oil gas guide pipe is communicated with the dust removal cavity; an inner partition plate is arranged in the middle section of the dust removing cavity, the dust removing cavity is sequentially divided into an upper cavity and a lower cavity from top to bottom by the inner partition plate, an inner conducting pipe is arranged in the dust removing cavity, the inner conducting pipe is arranged along the length extending direction of the dust removing cavity, and the inner conducting pipe penetrates through the inner partition plate; the inner conduction pipe is arranged at one end in the upper cavity and is closed, the inner conduction pipe is arranged at one end of the lower cavity and is provided with a plurality of dustproof baffles on the inner wall of one section of the inner conduction pipe arranged in the lower cavity, two adjacent dustproof baffles are respectively and fixedly arranged on two opposite surfaces of the inner conduction pipe, and an S-shaped channel is formed in the inner conduction pipe by the separation of the dustproof baffles; the internal conduction pipe is arranged on a section in the upper cavity, a plurality of spray head pipes are arranged on the section, in the upper cavity, of the internal conduction pipe, the oil gas supply pipe is communicated with the lower cavity, the upper oil gas guide pipe is communicated with the upper cavity, the pall ring filler layer is arranged in the upper cavity, and the pall ring filler layer is arranged between the end part of the internal conduction pipe and the end part of the upper oil gas guide pipe.
In the technical scheme of this application, set up auxiliary heating cavity, increase the temperature of oil gas, improve the activity of wrapping up in the oil on dust surface to the heating makes oil gas inflation, has increased the pressure of oil gas. The oil gas enters into the lower part cavity through auxiliary heating cavity and oil gas air supply pipe, and the oil gas is after the buffering in lower part cavity, enters into inside pipe, and oil gas can strike the dustproof baffle in the inside pipe when passing through inside pipe, and the dust that is wrapped up by oil strikes dustproof baffle, makes the combination of oil and dust by the vibrations of striking be bumped the dispersion, separates the passageway that forms the S type by dustproof baffle and has increased the length that oil gas passed through, and then can make more dust particles and dustproof baffle striking. In order to increase the impact force, can increase the pressurization fan in the oil gas intake pipe in this application to the distance that dust and oil gas passed through inside pipe has been prolonged through dustproof baffle, and there is more diversion motion in the midway, because oil gas is heated, the mobility of the oil that adheres to on the dust increases, in the long-time blowing process by high-pressure wind, oil is blown away dust surface. After the dust is scattered by collision and separated from reported oil and gas, part of the dust is deposited to the lower end face of the lower cavity, part of the dust enters the upper section of the inner guide pipe along with oil gas, the nozzle pipe uniformly sprays the mixture of the dust and the oil gas into the upper cavity, so that the dust and the oil gas are uniformly distributed in the upper cavity, the dust and the oil gas pass through the pall ring packing layer, the oil gas passes through the pall ring packing layer, the dust is filtered and blocked in the upper cavity by the pall ring packing layer, the filtered oil gas is condensed into liquid after passing through the oil gas condensation cavity, and then the liquid is discharged through a condensed oil gas outlet pipe.
Preferably, in the oil gas recovery dust removal device, the inner partition plate is a conical partition plate, and the conical bottom end surface of the inner partition plate faces to the inner bottom end surface of the lower cavity.
The conical shape of the inner partition enables the dust and oil gas mixture to slide down the surface of the inner partition by gravity after impinging on the inner partition.
Preferably, in the oil gas recovery dust removing device, the dustproof partition plate and the side wall of the inner guide pipe are arranged at an acute angle, and the inclined direction of the dustproof partition plate faces the opening end direction of the inner guide pipe.
The dustproof baffle is arranged at an acute angle with the side wall of the inner conduit, so that dust can stay in the space clamped by the dustproof baffle and the inner conduit after impacting the dustproof baffle, and the dust cannot continue to move upwards along the inner conduit.
Preferably, the oil gas recovery dust collector is characterized in that a lower partition plate is arranged in the lower cavity, the lower partition plate is sleeved at the end part of the opening end of the inner conduction pipe and fixedly connected with the inner conduction pipe, a plurality of through holes are formed in the lower partition plate, the lower partition plate is a conical partition plate, the conical bottom end surface of the lower partition plate faces the inner bottom end surface of the lower cavity, and a primary filter screen is arranged on the lower surface of the lower partition plate.
The oil gas dust mixture after being heated passes through the preliminary filter screen after passing through the through hole on the lower part baffle, and the preliminary filter screen can adopt the superimposed form of the nylon filter screen of the great mesh of multilayer, and the dust by oil parcel can strike the filter screen by many times like this, makes oil and dust separation through the vibrations of striking, and the mesh number of nylon filter screen is confirmed according to the size of dust.
Preferably, in the oil gas recovery dust removal device, a first dust exhaust pipe is arranged on the side portion of the lower cavity, and an end opening of the first dust exhaust pipe is matched with the edge of the lower partition plate.
Part of the dust can be settled on the surface of the lower partition plate, and the first dust exhaust pipe can conveniently exhaust the dust settled on the lower partition plate.
Preferably, in the oil gas recovery dust removing device, a dust discharging partition board is arranged in the lower cavity, the dust discharging partition board is a conical partition board, and the conical bottom end surface of the dust discharging partition board faces the bottom end surface in the lower cavity.
After passing through the preliminary filter screen, part of dust can settle on the dust discharge baffle, and the dust discharge baffle is arranged into a cone shape so as to be convenient for the dust to fall along the dust discharge baffle.
Preferably, in the oil gas recovery dust removal device, a second dust exhaust pipe is arranged on the side portion of the lower cavity, and an end opening of the second dust exhaust pipe is matched with the edge of the dust exhaust partition plate.
The second dust exhaust pipe can conveniently say that the dust settled on the dust exhaust baffle is discharged.
Preferably, the oil gas recovery dust collector is characterized in that an upper oil gas loop pipe is arranged on the side wall of the upper cavity, one end of the upper oil gas loop pipe is communicated with the upper cavity, the other end of the upper oil gas loop pipe is communicated with the auxiliary heating cavity, and an electromagnetic valve is arranged on the upper oil gas loop pipe.
Part of the oil gas mixed with dust can be settled at the lower part in the upper cavity, and the part of the oil gas can return to the auxiliary heating cavity again through the upper oil gas loop pipe to carry out secondary dust removal operation.
Preferably, in the oil gas recovery dust removing device, the inner diameter of a section of the inner conducting pipe arranged in the upper cavity is larger than the inner diameter of a section of the inner conducting pipe arranged in the lower cavity.
The upper segment of inside pipe is greater than the hypomere can make oil gas get certain buffering after getting into the upper segment from inside pipe hypomere for dust and oil gas obtain further mixing in inside pipe upper segment, make oil gas and dust can even by the blowout.
The invention has the advantages that the invention can overcome the defects of the prior art and has reasonable and novel structural design. In the technical scheme of this application, set up auxiliary heating cavity, increase the temperature of oil gas, improve the activity of wrapping up in the oil on dust surface to the heating makes oil gas inflation, has increased the pressure of oil gas. The oil gas enters into the lower part cavity through auxiliary heating cavity and oil gas air supply pipe, and the oil gas is after the buffering in lower part cavity, enters into inside pipe, and oil gas can strike the dustproof baffle in the inside pipe when passing through inside pipe, and the dust that is wrapped up by oil strikes dustproof baffle, makes the combination of oil and dust by the vibrations of striking be bumped the dispersion, separates the passageway that forms the S type by dustproof baffle and has increased the length that oil gas passed through, and then can make more dust particles and dustproof baffle striking. In order to increase the impact force, can increase the pressurization fan in the oil gas intake pipe in this application to the distance that dust and oil gas passed through inside pipe has been prolonged through dustproof baffle, and there is more diversion motion in the midway, because oil gas is heated, the mobility of the oil that adheres to on the dust increases, in the long-time blowing process by high-pressure wind, oil is blown away dust surface. After the dust is scattered by collision and separated from reported oil and gas, part of the dust is deposited to the lower end face of the lower cavity, part of the dust enters the upper section of the inner guide pipe along with oil gas, the nozzle pipe uniformly sprays the mixture of the dust and the oil gas into the upper cavity, so that the dust and the oil gas are uniformly distributed in the upper cavity, the dust and the oil gas pass through the pall ring packing layer, the oil gas passes through the pall ring packing layer, the dust is filtered and blocked in the upper cavity by the pall ring packing layer, the filtered oil gas is condensed into liquid after passing through the oil gas condensation cavity, and then the liquid is discharged through a condensed oil gas outlet pipe.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The technical features of the present invention are further described below with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1, the invention relates to an oil gas recovery dust removal device, which comprises an auxiliary heating cavity 1, a dust removal cavity 2 and an oil gas condensation cavity 3, wherein an auxiliary heating pipe is arranged in the auxiliary heating cavity 1, and a condensation pipe is arranged in the oil gas condensation cavity 3; the lower end of the auxiliary heating cavity 1 is connected with an oil gas inlet pipe 4, the side part of the upper section of the auxiliary heating cavity 1 is connected with an oil gas supply pipe 5, the end part of the oil gas supply pipe 5 is communicated with the dust removing cavity 2, and a one-way valve is arranged on the oil gas supply pipe 5; the lower end of the oil gas condensation cavity 3 is provided with a condensation oil gas outlet pipe 6, the side part of the oil gas condensation cavity 3 is connected with an upper oil gas conduit 7, and the end part of the upper oil gas conduit 7 is communicated with the dust removal cavity 2; an inner partition plate 8 is arranged in the middle section inside the dust removing cavity 2, the inside of the dust removing cavity 2 is sequentially divided into an upper cavity 9 and a lower cavity 10 from top to bottom by the inner partition plate 8, an inner conducting pipe 11 is arranged in the dust removing cavity 2, the inner conducting pipe 11 is arranged along the length extending direction of the dust removing cavity 2, and the inner conducting pipe 11 penetrates through the inner partition plate 8; one end of the inner conducting pipe 11 arranged in the upper cavity 9 is closed, one end of the inner conducting pipe 11 arranged in the lower cavity 10 is opened, a plurality of dustproof baffles 12 are arranged on the inner wall of one section of the inner conducting pipe 11 arranged in the lower cavity 10, two adjacent dustproof baffles 12 are respectively and fixedly arranged on two opposite surfaces of the inner conducting pipe 11, and an S-shaped channel is formed in the inner conducting pipe 11 by the separation of the dustproof baffles 12; the inner conduit 11 is arranged on a section in the upper cavity 9, a plurality of spray head pipes 13 are arranged on the section, the oil gas supply pipe 5 is communicated with the lower cavity 10, the upper oil gas conduit 7 is communicated with the upper cavity 9, the pall ring filler layer 14 is arranged in the upper cavity 9, and the pall ring filler layer 14 is arranged between the end part of the inner conduit 11 and the end part of the upper oil gas conduit 7.
In the technical scheme of this application, set up auxiliary heating cavity 1, increase the temperature of oil gas, improve the activity of wrapping up in the oil on dust surface to the heating makes the oil gas inflation, has increased the pressure of oil gas. The oil gas enters into lower cavity 10 through auxiliary heating cavity 1 and oil gas supply pipe 5, and after the oil gas is buffered in lower cavity 10, entering into inside pipe 11, the oil gas can strike dustproof baffle 12 in the inside pipe 11 when passing through inside pipe, the dust that is wrapped up in by the oil hits dustproof baffle, makes the combination of oil and dust by the vibrations of striking hit scattered, separates the passageway that forms the S-shaped by dustproof baffle 12 and has increased the length that the oil gas passed through, and then can make more dust particles and the striking of dustproof baffle 12. In order to increase the impact force, a pressurizing fan can be added on the oil-gas inlet pipe 4, the distance between dust and oil gas passing through the inner guide pipe 11 is prolonged through the dustproof baffle plate 12, more direction-changing movement is provided in the middle, and as the oil gas is heated, the fluidity of oil attached to the dust is increased, and the oil is blown off the dust surface in the long-time blowing process of high-pressure wind. After the dust is scattered by collision and separated from reported oil and gas, part of the dust is deposited to the lower end face of the lower cavity 10, part of the dust enters the upper section of the inner guide pipe 11 along with oil gas, the nozzle pipe 13 uniformly sprays the mixture of the dust and the oil gas into the upper cavity 9, so that the dust and the oil gas are uniformly distributed in the upper cavity 9, the dust and the oil gas pass through the pall ring packing layer 14, the dust is filtered by the pall ring packing layer 14 and blocked in the upper cavity 9, the filtered oil gas is condensed into liquid after passing through the oil gas condensation cavity 3, and then the liquid is discharged through the condensed oil gas outlet pipe 6.
The inner partition plate 8 is a conical partition plate, and the conical bottom end surface of the inner partition plate 8 faces the inner bottom end surface of the lower cavity 10.
The conical shape of the inner partition 8 enables the dust and oil gas mixture to slide down the surface of the inner partition 8 by gravity after impinging on the inner partition 8.
The dustproof baffle 12 is arranged at an acute angle with the side wall of the inner conduit 11, and the inclined direction of the dustproof baffle 12 faces the opening end direction of the inner conduit 11.
The dustproof baffle 12 is arranged at an acute angle with the side wall of the inner conduit 11, so that dust can stay in the space clamped by the dustproof baffle 12 and the inner conduit 11 after impacting the dustproof baffle 12, and cannot continue to move upwards along the inner conduit 11.
The lower cavity 10 is internally provided with a lower partition plate 15, the lower partition plate 15 is sleeved at the end part of the opening end of the inner conduction pipe 11 and is fixedly connected with the inner conduction pipe 11, a plurality of through holes are formed in the lower partition plate 15, the lower partition plate 15 is a conical partition plate, the conical bottom end surface of the lower partition plate 15 faces the inner bottom end surface of the lower cavity 10, and a primary filter screen 16 is arranged on the lower surface of the lower partition plate 15.
The heated oil-gas-dust mixture passes through the preliminary filter screen 16 after passing through the through holes on the lower partition plate 15, the preliminary filter screen 16 can be in the form of a multilayer nylon filter screen superposition with larger meshes, thus the dust wrapped by the oil can strike the filter screen for multiple times, the oil is separated from the dust through the striking vibration, and the mesh number of the nylon filter screen is determined according to the size of the dust.
The side of the lower cavity 10 is provided with a first dust discharging pipe 17, and the end opening of the first dust discharging pipe 17 is matched with the edge of the lower partition 15.
Part of the dust may be settled on the surface of the lower partition 15, and the first dust discharge pipe 17 may facilitate discharging of the dust settled on the lower partition 15.
The lower cavity 10 is internally provided with a dust exhaust baffle 18, the dust exhaust baffle 18 is a conical baffle, and the conical bottom end surface of the dust exhaust baffle 18 faces the inner bottom end surface of the lower cavity 10.
After passing through the preliminary filter screen 16, part of the dust will settle on the dust discharge partition 18, and the dust discharge partition 18 is tapered to facilitate the falling of the dust along the dust discharge partition 18.
The side of the lower cavity 10 is provided with a second dust discharging pipe 19, and the end opening of the second dust discharging pipe 19 is matched with the edge of the dust discharging partition 18.
The second dust discharge pipe 19 can conveniently discharge dust settled on the dust discharge partition 18.
An upper oil gas loop pipe 20 is arranged on the side wall of the upper cavity 9, one end of the upper oil gas loop pipe 20 is communicated with the upper cavity 9, the other end of the upper oil gas loop pipe 20 is communicated with the auxiliary heating cavity 1, and an electromagnetic valve is arranged on the upper oil gas loop pipe 20.
Part of the oil gas mixed with dust can be settled at the lower part in the upper cavity 9, and the part of the oil gas can be returned to the auxiliary heating cavity 1 through the upper oil gas loop pipe 20 for secondary dust removal operation.
The inner diameter of the section of the inner conduit 11 arranged in the upper cavity 9 is larger than the inner diameter of the section of the inner conduit 11 arranged in the lower cavity 10.
The upper section of the inner conduit 11 is larger than the lower section, so that oil gas can be buffered to a certain extent after entering the upper section from the lower section of the inner conduit 11, dust and oil gas can be further mixed in the upper section of the inner conduit 11, and the oil gas and the dust can be uniformly sprayed out.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (1)
1. An oil gas recovery dust collector, its characterized in that: the dust-removing device comprises an auxiliary heating cavity (1), a dust-removing cavity (2) and an oil-gas condensing cavity (3), wherein an auxiliary heating pipe is arranged in the auxiliary heating cavity (1), and a condensing pipe is arranged in the oil-gas condensing cavity (3); the lower end of the auxiliary heating cavity (1) is connected with an oil gas inlet pipe (4), the side part of the upper section of the auxiliary heating cavity (1) is connected with an oil gas supply pipe (5), the end part of the oil gas supply pipe (5) is communicated with the dust removing cavity (2), and a one-way valve is arranged on the oil gas supply pipe (5);
the lower end of the oil gas condensation cavity (3) is provided with a condensation oil gas outlet pipe (6), the side part of the oil gas condensation cavity (3) is connected with an upper oil gas conduit (7), and the end part of the upper oil gas conduit (7) is communicated with the dust removal cavity (2); an inner partition plate (8) is arranged in the middle section inside the dust removing cavity (2), the inside of the dust removing cavity (2) is sequentially divided into an upper cavity (9) and a lower cavity (10) from top to bottom by the inner partition plate (8), an inner conducting pipe (11) is arranged in the dust removing cavity (2), the inner conducting pipe (11) is arranged along the length extending direction of the dust removing cavity (2), and the inner conducting pipe (11) penetrates through the inner partition plate (8); one end of the inner conducting pipe (11) arranged in the upper cavity (9) is closed, one end of the inner conducting pipe (11) arranged in the lower cavity (10) is opened, a plurality of dustproof baffles (12) are arranged on the inner wall of one section of the inner conducting pipe (11) arranged in the lower cavity (10), two adjacent dustproof baffles (12) are respectively and fixedly arranged on two opposite surfaces of the inner conducting pipe (11), and an S-shaped channel is formed in the inner conducting pipe (11) by the separation of the dustproof baffles (12); the inner conduit (11) is arranged on a section in the upper cavity (9) and is provided with a plurality of spray head pipes (13), the oil gas supply pipe (5) is communicated with the lower cavity (10), the upper oil gas pipe (7) is communicated with the upper cavity (9), the upper cavity (9) is internally provided with a pall ring filler layer (14), and the pall ring filler layer (14) is arranged between the end part of the inner conduit (11) and the end part of the upper oil gas pipe (7);
the inner partition plate (8) is a conical partition plate, and the conical bottom end surface of the inner partition plate (8) faces the inner bottom end surface of the lower cavity (10); the dustproof partition plate (12) and the side wall of the inner conducting pipe (11) form an acute angle, and the inclined direction of the dustproof partition plate (12) faces the direction of the opening end of the inner conducting pipe (11); a lower partition plate (15) is arranged in the lower cavity (10), the lower partition plate (15) is sleeved at the end part of the opening end of the inner conduction pipe (11) and is fixedly connected with the inner conduction pipe (11), a plurality of through holes are formed in the lower partition plate (15), the lower partition plate (15) is a conical partition plate, the conical bottom end surface of the lower partition plate (15) faces the inner bottom end surface of the lower cavity (10), and a primary filter screen (16) is arranged on the lower surface of the lower partition plate (15); the side part of the lower cavity (10) is provided with a first dust exhaust pipe (17), and an end opening of the first dust exhaust pipe (17) is matched with the edge of the lower partition plate (15); a dust exhaust baffle (18) is arranged in the lower cavity (10), the dust exhaust baffle (18) is a conical baffle, and the conical bottom end surface of the dust exhaust baffle (18) faces the inner bottom end surface of the lower cavity (10); the side part of the lower cavity (10) is provided with a second dust exhaust pipe (19), and an end opening of the second dust exhaust pipe (19) is matched with the edge of the dust exhaust baffle plate (18); an upper oil gas loop pipe (20) is arranged on the side wall of the upper cavity (9), one end of the upper oil gas loop pipe (20) is communicated with the upper cavity (9), the other end of the upper oil gas loop pipe (20) is communicated with the auxiliary heating cavity (1), and an electromagnetic valve is arranged on the upper oil gas loop pipe (20); the inner diameter of a section of the inner conducting pipe (11) arranged in the upper cavity (9) is larger than the inner diameter of a section of the inner conducting pipe (11) arranged in the lower cavity (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549436.4A CN108837647B (en) | 2018-05-31 | 2018-05-31 | Oil gas recovery dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549436.4A CN108837647B (en) | 2018-05-31 | 2018-05-31 | Oil gas recovery dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN108837647A CN108837647A (en) | 2018-11-20 |
| CN108837647B true CN108837647B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549436.4A Active CN108837647B (en) | 2018-05-31 | 2018-05-31 | Oil gas recovery dust collector |
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| CN108837647A (en) | 2018-11-20 |
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