CN110538572B - Industrial waste gas treatment process and treatment device thereof - Google Patents
Industrial waste gas treatment process and treatment device thereof Download PDFInfo
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- CN110538572B CN110538572B CN201910841765.0A CN201910841765A CN110538572B CN 110538572 B CN110538572 B CN 110538572B CN 201910841765 A CN201910841765 A CN 201910841765A CN 110538572 B CN110538572 B CN 110538572B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an industrial waste gas treatment device which comprises a catalysis box, wherein a first dust remover and a second dust remover are respectively arranged on two side walls of the catalysis box, a catalyst drawer is connected to the front end of the catalysis box in a clamping mode, and a joint is arranged on one side, far away from the catalysis box, of the first dust remover. According to the invention, the crushing assembly is arranged on the inner side of the gas guide pipe, large particles in the waste gas can be crushed before the industrial waste gas is filtered, the particles are completely dispersed before entering the first dust removal, the filtering effect is improved, the fixing frame matched with the stabilizing assembly is arranged on the first filter, the filter bag is conveniently fixed after the cylindrical frame is sleeved in the filter bag, the filter bag is convenient to replace, better stability can be kept in the first dust remover and the second dust remover, the catalyst is conveniently replaced by arranging the catalyst drawer for placing the catalyst, and the sealing plate is arranged at the front end of the catalyst drawer, so that the sealing effect is better.
Description
Technical Field
The invention relates to the field of waste gas treatment devices, in particular to an industrial waste gas treatment process and a treatment device thereof.
Background
Industrial waste gas refers to a general name of various pollutant-containing gases discharged into air in the process of fuel combustion and production processes in an enterprise factory, the waste gases contain carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxide, chlorine, hydrogen chloride, carbon monoxide, lead mercury sulfate, beryllium compounds, smoke dust and productive dust, and the waste gases are discharged into the atmosphere to pollute the air.
Patent document with publication number CN109999613A discloses an industrial waste gas treatment device, including waste gas adsorption tank, exhaust-gas treatment case and waste gas collecting box, its structural feature is: waste gas adsorption case one side be equipped with the air inlet, it utilizes active carbon to adsorb, has certain treatment effect, but the filter effect is general, can not smash the particulate matter, and inconvenient change catalyst.
The existing industrial waste gas treatment device has certain disadvantages when in use, has a common filtering effect when filtering particulate matters in industrial waste gas, and cannot crush large particles; the dust remover used by the existing industrial waste gas treatment device is not convenient enough when the filter bag is replaced, and the stability of the filter bag is general when the filter bag is used; the catalyst used by the existing industrial waste gas treatment device is basically directly put into the device, is not convenient enough when taken out, and brings certain influence to practical use.
Disclosure of Invention
The invention aims to provide an industrial waste gas treatment process and a treatment device thereof, which can effectively solve the problems that the conventional industrial waste gas treatment device has a common filtering effect when filtering particulate matters in industrial waste gas and cannot crush large particulate matters; the dust remover used by the existing industrial waste gas treatment device is not convenient enough when the filter bag is replaced, and the stability of the filter bag is general when the filter bag is used; the catalyst used by the existing industrial waste gas treatment device is basically directly put into the device, and is not convenient to take out.
The purpose of the invention can be realized by the following technical scheme:
an industrial waste gas treatment device comprises a catalysis box, wherein a first dust remover and a second dust remover are respectively installed on two side walls of the catalysis box, a catalyst drawer is connected to the front end of the catalysis box in a clamping mode, a connector is installed on one side, away from the catalysis box, of the first dust remover, an air guide pipe is installed at the top end of the connector, an air inlet pipe is installed on the side wall of the air guide pipe, a crushing assembly is installed in the middle of the air guide pipe, an air outlet pipe is connected to the other side, away from the catalysis box, of one side of the second dust remover, an exhaust funnel is installed at one end of the air outlet pipe, a support is installed on the side wall of the exhaust funnel close to the bottom end of the exhaust funnel, a centrifugal fan is installed at;
the middle part of the inner side of the catalytic box is provided with a heat exchange plate, the inner wall of the rear end of the catalytic box is provided with a heating calandria, the bottom end of the inner part of the catalytic box is provided with a bottom plate, and the top of the bottom plate is provided with four clamping seats;
the crushing assembly comprises a first mounting plate and a second mounting plate, a crushing barrel is mounted on a side wall penetrating through the first mounting plate and the second mounting plate, four groups of fixing plates are mounted between opposite side walls of the first mounting plate and the second mounting plate, a connecting rod is connected between the side wall of each group of fixing plates and the inner wall of the crushing barrel, one end of each connecting rod is connected with a supporting rod, one end of each supporting rod is connected with a fixing seat, and the outer wall of each fixing seat is provided with three groups of blades;
a sealing plate is arranged at the front end of the catalyst drawer, a sealing rubber pad is arranged at the position close to the edge of the inner side of the rear end of the sealing plate, a plurality of clamping plates are clamped on the inner side wall of the catalyst drawer, through holes are formed in the two side walls penetrating through the catalyst drawer and the side walls of the clamping plates, and four groups of clamping rails are arranged at the bottom of the catalyst drawer;
a fixed frame is mounted on the inner wall of one side of the first dust remover, a filter bag is clamped on the inner side of the fixed frame, stabilizing assemblies are arranged between the upper end and the lower end of the interior of the first dust remover and the outer wall of the filter bag, and two groups of exhaust ports are formed in the inner wall of the other side of the first dust remover;
the stabilizing component comprises a connecting plate, three groups of mounting rods are mounted at the top of the connecting plate, three groups of round rods are mounted at the bottom end of the connecting plate, sleeve plates are sleeved outside the round rods, and the bottom ends of the three groups of round rods are respectively connected with a group of spherical top blocks.
Preferably, the first dust remover and the second dust remover are symmetrically arranged by taking the middle position of the front end of the catalysis box as the center, and two groups of holes matched with the exhaust port are formed in the joint of the two side walls of the catalysis box and the side walls of the first dust remover and the second dust remover.
Preferably, one end of the centrifugal fan is provided with an air supply conduit, one end of the air supply conduit extends into the exhaust funnel, the diameter of the lower half part of the exhaust funnel is smaller than that of the upper half part of the exhaust funnel, and a switch valve is arranged above one end of the side wall of the exhaust funnel close to the return pipe.
Preferably, the four groups of clamping seats and the four groups of clamping rails are arranged in parallel in pairs, each group of clamping seats is matched with each group of clamping rails, and the catalyst drawer is in sliding connection with the clamping seats through the clamping rails.
Preferably, the area of the rear end of the sealing plate is larger than that of the front end of the sealing plate, the front end of the catalytic box is provided with a groove matched with the sealing plate, the depth of the groove is equal to the thickness of the sealing plate, and two side walls and the upper wall and the lower wall of the sealing plate are covered with a rubber layer.
Preferably, the four support rods are distributed on the inner wall of the crushing barrel at equal intervals by taking the center position of the section of the crushing barrel as a symmetrical point, two groups of fixing seats at the end parts of the support rods in opposite directions are arranged at the positions close to the end parts of the rear ends of the support rods, and the other two groups of fixing seats at the end parts of the support rods in opposite directions are arranged at the positions close to the end parts of the front ends of the support rods.
Preferably, the mounting is all installed with the lateral wall linking department of first mounting panel and second mounting panel at the both ends of fixed plate, and the mounting is the setting of L type, and the lateral wall linking department of the outer wall that runs through the mounting and fixed plate, first mounting panel and second mounting panel all is provided with the screw.
Preferably, the interior of the filter bag is hollow, a metal frame is attached to the inner wall of the filter bag, the metal frame is cylindrical, and the metal frame is formed by welding a plurality of metal rods.
Preferably, it is two sets of the subassembly of stabilizing is relative setting, the bottom parcel of spherical kicking block has the hemisphere gum cover, the both sides wall of installation pole is leaned on the top and all installs and welds the board, welds the outer wall of board and the inner wall of first dust remover and welds mutually.
The industrial waste gas treatment process specifically comprises the following steps:
the method comprises the following steps: putting an acid-base catalyst into the interval partitioned by each clamping plate in the catalyst drawer, connecting the heating exhaust pipes with a power supply and starting the heating exhaust pipes, monitoring the temperature inside the catalysis box by using a temperature monitor in real time, heating the temperature inside the catalysis box to 450 ℃ and 500 ℃, and switching off the heating exhaust pipes;
step two: the industrial waste gas is guided into the gas guide pipe from the gas inlet pipe, enters the gas guide pipe, firstly passes through the crushing assembly, enters the crushing cylinder, is driven by airflow, the blades on the surface of the fixed seat rotate, the four groups of blades rotate simultaneously to crush large-particle dust in the industrial waste gas, and then the industrial waste gas enters the first dust remover from the gas guide pipe through the joint;
step three: the waste gas enters the first dust remover, firstly enters the filter bag for filtering, then is filtered by the filter bag, then enters the through hole through the two groups of exhaust ports, is discharged into the catalyst drawer through the through hole, and is subjected to catalytic treatment by the catalyst in the catalyst drawer;
step four: the centrifugal fan at support top is started, centrifugal fan rotates, the inside air of aiutage is discharged, the inside gas of catalysis case is driven to enter into the middle of the second dust remover, filter once more by the filter bag in the second dust remover, close centrifugal fan, after the gas enters into the aiutage, close the pneumatic valve of aiutage lateral wall, the gas enters into the air duct through the back flow, again through connecting, first dust remover, catalysis case, at last, enter into the outlet duct from the second dust remover, open the pneumatic valve of aiutage lateral wall, the gas is discharged from the top of aiutage, whole processing procedure ends.
The invention has the beneficial effects that:
the invention installs the crushing component at the inner side of the air duct, when the industrial waste gas enters the air duct from the air inlet pipe, the industrial waste gas firstly enters the crushing component, the crushing component is connected with the air duct by using the first mounting plate and the second mounting plate, the crushing cylinder is communicated with the air duct, the gas enters the crushing cylinder, the gas is connected with the connecting rod by using the fixing plate, and then the connecting rod is used for connecting the supporting rod, so that the fixing seat is fixed by using the supporting rod, under the driving of the gas flow, the blades on the surface of the fixing seat rotate, the four groups of blades rotate simultaneously to crush the large-particle dust in the industrial waste gas, further, when the industrial waste gas enters the first dust remover, the large particles in the waste gas are crushed in advance, the condition that the blockage is removed when the first dust remover is used for filtering due to the large particles in the waste gas is avoided, and, the filtering of the first dust remover is facilitated, and the filtering effect of the industrial waste gas is improved;
two groups of fixing seats at the ends of the supporting rods in opposite directions are arranged at the positions close to the end parts at the rear ends of the supporting rods, the other two groups of fixing seats at the ends of the supporting rods in opposite directions are arranged at the positions close to the end parts at the front ends of the supporting rods, and the four groups of fixing seats are arranged in different pairwise positions, so that the situation that blades on the surfaces of the fixing seats are interfered with each other during rotation is effectively avoided;
the filter bag fixing device comprises a first dust remover, a second dust remover, a connecting plate, a sleeve plate, a fixing frame, two groups of stabilizing components, a connecting plate and a sleeve plate, wherein the fixing frame is arranged in the first dust remover and the second dust remover and matched with the two groups of stabilizing components, the filter bag is sleeved in a cylindrical metal frame, the filter bag can be directly sleeved in the fixing frame, the two groups of stabilizing components are respectively arranged at the upper end and the lower end of the filter bag, the two groups of stabilizing components are respectively contacted with the upper part and the lower part of the filter bag, the connecting plate and the sleeve plate are used for fixing a round rod, and a spherical top block is then contacted with the surface of the filter bag to fix the filter;
through setting up the catalyst drawer, catalyst drawer disect insertion catalysis case's front end is inboard, the card rail that utilizes its bottom agrees with mutually with the cassette at bottom plate top, conveniently take out and send into, thereby the change of catalyst has been made things convenient for, inside at the catalyst drawer sets up the multiunit cardboard and cuts apart its inside, the through-hole is all seted up to the lateral wall at the lateral wall of catalyst drawer and the lateral wall of every group cardboard, make industrial waste gas can filter layer upon layer after entering into the catalyst drawer, after the catalysis case is sent into to the catalyst drawer, the closing plate is laminated with the outer wall of catalysis case mutually, cooperate the sealed cushion that its periphery set up, thereby whole catalyst drawer possesses better leakproofness after inserting the catalysis case, the condition of gas leakage can not appear.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of an industrial waste gas treatment device according to the present invention.
FIG. 2 is a top view of an industrial waste gas treatment device of the present invention.
FIG. 3 is a sectional view of a catalytic box in an industrial waste gas treatment device according to the present invention.
FIG. 4 is a structural diagram of a crushing assembly in an industrial waste gas treatment device according to the present invention.
FIG. 5 is a sectional view of a crushing cylinder in an industrial waste gas treatment device according to the present invention.
FIG. 6 is a view showing a structure of a catalyst drawer in an industrial waste gas treatment apparatus according to the present invention.
FIG. 7 is a sectional view of a first dust collector in an industrial waste gas treatment device according to the present invention.
FIG. 8 is a block diagram of the stabilizing assembly of FIG. 7 of an industrial waste gas treatment device according to the present invention.
In the figure: 1. a catalyst box; 2. a catalyst drawer; 3. a first dust remover; 4. a second dust remover; 5. a joint; 6. an air duct; 7. an air inlet pipe; 8. a crushing assembly; 9. an air outlet pipe; 10. an exhaust funnel; 11. a support; 12. a centrifugal fan; 13. a return pipe; 14. a base plate; 15. a card holder; 16. a heat exchange plate; 17. heating the calandria; 18. a first mounting plate; 19. a second mounting plate; 20. a crushing cylinder; 21. a fixing plate; 22. a connecting rod; 23. a strut; 24. a fixed seat; 25. a blade; 26. a sealing plate; 27. sealing the rubber gasket; 28. clamping a plate; 29. a through hole; 30. clamping a rail; 31. a fixing frame; 32. a filter bag; 33. a stabilizing assembly; 34. an exhaust port; 35. a connecting plate; 36. mounting a rod; 37. a round bar; 38. a spherical top block; 39. and (5) sheathing the board.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an industrial waste gas treatment device comprises a catalytic box 1, a first dust collector 3 and a second dust collector 4 are respectively installed on two side walls of the catalytic box 1, a catalyst drawer 2 is clamped at the front end of the catalytic box 1, a connector 5 is installed on one side of the first dust collector 3 away from the catalytic box 1, a gas guide tube 6 is installed at the top end of the connector 5, an air inlet tube 7 is installed on the side wall of the gas guide tube 6, a crushing assembly 8 is installed in the middle of the gas guide tube 6, an air outlet tube 9 is connected to the other side of one side of the second dust collector 4 away from the catalytic box 1, an exhaust funnel 10 is installed at one end of the air outlet tube 9, a support 11 is installed near the bottom end of the side wall of the exhaust funnel 10, a centrifugal fan 12 is installed at the top end of the support 11, a return tube 13 is connected between the rear end of the exhaust funnel 10 and the, thereby improving the treatment quality of the industrial waste gas;
a heat exchange plate 16 is arranged in the middle of the inner side of the catalytic box 1, a heating calandria 17 is arranged on the inner wall of the rear end of the catalytic box 1, a bottom plate 14 is arranged at the bottom end of the inner part of the catalytic box 1, four clamping seats 15 are arranged at the top of the bottom plate 14, the bottom plate 14 increases the height of the clamping seats 15, and therefore the catalyst drawer 2 is conveniently clamped with the clamping seats 15;
the crushing assembly 8 comprises a first mounting plate 18 and a second mounting plate 19, a crushing barrel 20 is mounted on the side wall penetrating through the first mounting plate 18 and the second mounting plate 19, four groups of fixing plates 21 are mounted between the opposite side walls of the first mounting plate 18 and the second mounting plate 19, a connecting rod 22 is connected between the side wall of each group of fixing plates 21 and the inner wall of the crushing barrel 20, one end of each connecting rod 22 is connected with a supporting rod 23, one end of each supporting rod 23 is connected with a fixing seat 24, three groups of blades 25 are arranged on the outer wall of the fixing seat 24, the three groups of blades 25 are driven by airflow to rotate so as to perform crushing operation, large-particle matters contacting with the blades 25 are crushed, and the content of the large-particle;
a sealing plate 26 is arranged at the front end of the catalyst drawer 2, a sealing rubber pad 27 is arranged at the position close to the edge of the inner side of the rear end of the sealing plate 26, a plurality of clamping plates 28 are clamped on the inner side wall of the catalyst drawer 2, through holes 29 are formed in the two side walls penetrating through the catalyst drawer 2 and the side walls of the clamping plates 28, four clamping rails 30 are arranged at the bottom of the catalyst drawer 2, and the clamping rails 30 are clamped with the clamping seats 15, so that the catalyst drawer 2 can be conveniently fed in and drawn out;
a fixed frame 31 is installed on the inner wall of one side of the first dust collector 3, a filter bag 32 is clamped on the inner side of the fixed frame 31, stabilizing assemblies 33 are arranged between the upper end and the lower end of the interior of the first dust collector 3 and the outer wall of the filter bag 32, two groups of exhaust ports 34 are formed in the inner wall of the other side of the first dust collector 3, and the two groups of exhaust ports 34 are arranged for shunting, so that the content of waste gas entering the catalyst drawer 2 is increased, and the treatment efficiency is improved;
stabilizing assembly 33 includes connecting plate 35, and three groups of installation pole 36 are installed at the top of connecting plate 35, and three groups of round bars 37 are installed to the bottom of connecting plate 35, and the lagging 39 has been cup jointed to three groups of round bars 37's outside, and three groups of round bars 37's bottom respectively is connected with a set of spherical kicking block 38, and spherical kicking block 38 and filter bag 32 surface contact play the fixed action.
The first dust remover 3 and the second dust remover 4 are symmetrically arranged by taking the middle position at the front end of the catalytic box 1 as the center, two groups of holes which are matched with the exhaust port 34 are formed in the joint of the two side walls of the catalytic box 1 and the side walls of the first dust remover 3 and the second dust remover 4, and the gas exhausted by the exhaust port 34 enters the catalytic box 1 through the holes matched with the exhaust port.
An air supply conduit is arranged at one end of the centrifugal fan 12, one end of the air supply conduit extends into the exhaust funnel 10, the diameter of the lower half part of the exhaust funnel 10 is smaller than that of the upper half part of the exhaust funnel, a switch valve is arranged above one end of the side wall of the exhaust funnel 10 close to the return pipe 13, and the switch valve is arranged to facilitate the opening and closing of the exhaust funnel 10, so that the return operation is facilitated.
The four clamping seats 15 and the four clamping rails 30 are arranged in parallel in pairs, each clamping seat 15 is matched with each clamping rail 30, and the catalyst drawer 2 is connected with the clamping seats 15 in a sliding mode through the clamping rails 30.
The rear end area of closing plate 26 is greater than its front end area, and the groove that agrees with mutually with closing plate 26 is seted up to the front end of catalysis case 1, and the degree of depth in groove equals with closing plate 26's thickness, and closing plate 26's both sides wall and its upper and lower wall all cover have one deck rubber layer, sets up rubber layer cooperation sealed cushion 27 and is convenient for agree with the department to seal closing plate 26 and catalysis case 1 front end, avoids appearing the condition of gas leakage.
The four supporting rods 23 are equidistantly distributed on the inner wall of the crushing barrel 20 by taking the center position of the section of the crushing barrel 20 as a symmetrical point, two groups of fixing seats 24 at the ends of the supporting rods 23 in opposite directions are arranged at the positions close to the rear ends of the supporting rods 23, the other two groups of fixing seats 24 at the ends of the supporting rods 23 in opposite directions are arranged at the positions close to the front ends of the supporting rods 23, the four groups of fixing seats 24 are arranged in different positions, and therefore the situation that blades 25 on the surfaces of the fixing seats 24 interfere with each other when rotating is effectively avoided.
The mounting is all installed with the lateral wall linking department of first mounting panel 18 and second mounting panel 19 in the both ends of fixed plate 21, and the mounting is the setting of L type, and the outer wall that runs through the mounting all is provided with the screw with the lateral wall linking department of fixed plate 21, first mounting panel 18 and second mounting panel 19, sets up the mounting and is convenient for fix fixed plate 21 and first mounting panel 18 and second mounting panel 19.
The inside fretwork of filter bag 32, and the inner wall subsides of filter bag 32 with have metal frame, metal frame's shape is cylindrical, and metal frame comprises a plurality of metal poles welding each other, sets up metal frame and struts filter bag 32, avoids filter bag 32 softer to lead to the dust particle to remain and causes the condition appearance that blocks up inside it.
Two sets of subassemblies 33 that stabilize are relative setting, the bottom parcel of spherical kicking block 38 has the hemisphere gum cover, the both sides wall of installation pole 36 is leaned on the top to all install and is welded the board, the outer wall of welding the board welds with the inner wall of first dust remover 3 mutually, it is convenient for fix between 36 and each dust remover to set up and weld the board, thereby install between whole subassembly 33 and each dust remover of stabilizing, set up the frictional force on hemisphere angle cover increase spherical kicking block 38 and filter bag 32 surface, and avoid appearing the extruded condition.
The industrial waste gas treatment process specifically comprises the following steps:
the method comprises the following steps: an acid-base catalyst is put into the interval separated by each clamping plate 28 in the catalyst drawer 2, the heating calandria 17 is connected with a power supply and started, the temperature inside the catalysis box 1 is monitored by utilizing a temperature monitor in real time, the temperature inside the catalysis box 1 is heated to 450 ℃ and 500 ℃, and the heating calandria 17 is powered off and closed;
step two: the industrial waste gas is guided into the gas guide tube 6 from the gas inlet tube 7, enters the gas guide tube 6, firstly passes through the crushing assembly 8, enters the crushing cylinder 20, is driven by airflow, the blades 25 on the surface of the fixed seat 24 rotate, the four groups of blades 25 rotate simultaneously to crush large-particle dust in the industrial waste gas, and then enters the first dust remover 3 from the gas guide tube 6 through the joint 5;
step three: the waste gas enters the first dust collector 3, firstly enters the filter bag 32 for filtering, then is filtered by the filter bag 32, then enters the through hole 29 through the two groups of exhaust ports 34, is discharged into the catalyst drawer 2 through the through hole 29, and is catalyzed by the catalyst in the catalyst drawer 2;
step four: the centrifugal fan 12 at the top of the support 11 is started, the centrifugal fan 12 rotates, the air inside the exhaust funnel 10 is discharged, the gas inside the catalysis box 1 is driven to enter the second dust remover 4, the second dust remover is filtered again by the filter bag 32 in the second dust remover 4, the centrifugal fan 12 is closed, the gas enters the exhaust funnel 10, the gas valve on the side wall of the exhaust funnel 10 is closed, the gas enters the gas guide tube 6 through the return tube 13, the gas passes through the connector 5 again, the first dust remover 3 and the catalysis box 1, finally enters the gas outlet tube 9 from the second dust remover 4, the gas valve on the side wall of the exhaust funnel 10 is opened, the gas is discharged from the top of the exhaust funnel 10, and the whole treatment process is finished.
When the industrial waste gas treatment device is used, acid-base catalyst is put into the interval separated by each clamping plate 28 in the catalyst drawer 2, the clamping rail 30 at the bottom of the catalyst drawer 2 is clamped into the clamping seat 15 at the top of the bottom plate 14, so that the sealing plate 26 is matched with the groove at the front end of the catalytic box 1, the inner wall of the groove of the sealing rubber pad 27 is matched, the heating calandria 17 is connected with a power supply and started, the heating calandria 17 heats the inside of the catalytic box 1, the heat exchange plate 16 is utilized for heat transfer, the temperature inside the catalytic box 1 is increased, the temperature inside the catalytic box 1 is monitored by utilizing the temperature monitor in real time, the temperature inside the catalytic box 1 is heated to 450 ℃ and 500 ℃, the heating calandria 17 is powered off and closed, the industrial waste gas is guided into the gas guide tube 6 from the gas inlet tube 7, the industrial waste gas enters the gas guide tube 6 and firstly passes through, the crushing component 8 is installed on the inner side of the gas guide tube 6 by utilizing a first installation plate 18 and a second installation plate 19, industrial waste gas enters into a crushing cylinder 20, a connecting rod 22 is connected by utilizing a fixing plate 21, a supporting rod 23 is connected by utilizing the connecting rod 22, a fixed seat 24 is fixed by utilizing the supporting rod 23, blades 25 on the surface of the fixed seat 24 rotate under the drive of airflow, four groups of blades 25 rotate simultaneously to crush large-particle dust in the industrial waste gas, then the industrial waste gas enters into the first dust collector 3 from the gas guide tube 6 through a connector 5, the waste gas enters into the first dust collector 3, a metal frame is sleeved in the filter bag 32, the filter bag 32 is clamped into a fixed frame 31, after the filter bag 32 is sleeved into the fixed frame 31, two groups of stabilizing components 33 are respectively contacted with the upper part and the lower part of the filter bag 32, the connecting plate 35 is fixed with a round rod 37 by utilizing a spherical top block 38 to be contacted, then the filter bag 32 is fixed, firstly enters the filter bag 32 for filtering, then is filtered by the filter bag 32, then enters the through hole 29 through two groups of exhaust ports 34, is discharged into the catalyst drawer 2 through the through hole 29, the industrial waste gas is catalyzed by the catalyst in the catalyst drawer 2, the centrifugal fan 12 on the top of the support 11 is started, the centrifugal fan 12 rotates to discharge the air in the exhaust pipe 10, the gas in the catalytic box 1 is driven to enter the second dust remover 4, the filter bag 32 in the second dust remover 4 is used for filtering again, the centrifugal fan 12 is closed, the gas enters the exhaust pipe 10, then the gas valve on the side wall of the exhaust pipe 10 is closed, the gas enters the gas guide pipe 6 through the return pipe 13, and then passes through the joint 5, the first dust remover 3 and the catalytic box 1, finally enters the gas outlet pipe 9 from the second dust remover 4, the gas valve on the side wall of the exhaust pipe 10 is opened, the gas is exhausted from the top of the exhaust funnel 10 and the entire process is finished.
The invention installs the crushing component 8 at the inner side of the air duct 6, when the industrial waste gas enters the air duct 6 from the air inlet pipe 7, the industrial waste gas firstly enters the crushing component 8, the crushing component 8 is connected with the air duct 6 by the first mounting plate 18 and the second mounting plate 19, the crushing cylinder 20 is communicated with the air duct 6, the gas enters the crushing cylinder 20, the connecting rod 22 is connected by the fixing plate 21, the connecting rod 22 is connected with the supporting rod 23, the fixing seat 24 is fixed by the supporting rod 23, the blades 25 on the surface of the fixing seat 24 rotate under the drive of the airflow, the four groups of blades 25 rotate simultaneously to crush the large-particle dust in the industrial waste gas, and then the large-particle dust in the industrial waste gas enters the first dust remover 3 to crush the large particle in the waste gas in advance, thereby avoiding the situation of blockage removal when the first dust remover 3 is used for filtering due to large particle in the waste gas, the blades 25 are used for scattering the particles, so that the particles are effectively prevented from being accumulated, the first dust remover 3 is convenient to filter, and the filtering effect of the industrial waste gas is improved; two groups of fixing seats 24 at the ends of the supporting rods 23 in opposite directions are arranged at the positions close to the end parts at the rear ends of the supporting rods 23, the other two groups of fixing seats 24 at the ends of the supporting rods 23 in opposite directions are arranged at the positions close to the end parts at the front ends of the supporting rods 23, and the four groups of fixing seats 24 are arranged in different positions, so that the situation that blades 25 on the surfaces of the fixing seats 24 are mutually interfered when rotating is effectively avoided; the fixing frame 31 is arranged inside the first dust remover 3 and the second dust remover 4 and matched with the two groups of stabilizing components 33, after the filter bag 32 is sleeved into the cylindrical metal frame, the filter bag 32 can be directly sleeved into the fixing frame 31, the two groups of stabilizing components 33 are respectively arranged at the upper end and the lower end of the filter bag 32, the two groups of stabilizing components 33 are respectively contacted with the upper part and the lower part of the filter bag 32, the connecting plate 35 and the sleeve plate 39 are used for fixing the round rod 37, the spherical top block 38 is then contacted with the surface of the filter bag 32, and further the filter bag 32 is fixed, so that the filter bag 32 can have better stability during use, the swinging condition can not occur, the fixing frame 31 is used for fixing, and the replacement of the filter bag 32 is facilitated; through setting up catalyst drawer 2, catalyst drawer 2 disect insertion catalyzes the front end of case 1 inboard, the card rail 30 that utilizes its bottom agrees with mutually with the cassette 15 at bottom plate 14 top, conveniently take out and send into, thereby the change of catalyst has been made things convenient for, inside at catalyst drawer 2 sets up multiunit cardboard 28 and cuts apart its inside, through-hole 29 is all seted up to the lateral wall at catalyst drawer 2 and the lateral wall of every group cardboard 28, make industrial waste gas enter into and filter layer upon layer after catalyst drawer 2, catalyst drawer 2 sends into after catalyzing case 1, closing plate 26 laminates with the outer wall of catalysis case 1 mutually, cooperate the sealed cushion 27 of its peripheral setting, thereby whole catalyst drawer 2 possesses better leakproofness after inserting catalysis case 1, the condition of gas leakage can not appear.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The industrial waste gas treatment device is characterized by comprising a catalysis box (1), wherein a first dust remover (3) and a second dust remover (4) are respectively installed on two side walls of the catalysis box (1), a catalyst drawer (2) is connected to the front end of the catalysis box (1) in a clamping manner, a connector (5) is installed on one side, away from the catalysis box (1), of one side of the first dust remover (3), an air guide pipe (6) is installed at the top end of the connector (5), an air inlet pipe (7) is installed on the side wall of the air guide pipe (6), a crushing assembly (8) is installed in the middle of the air guide pipe (6), an air outlet pipe (9) is connected to the other side, away from the catalysis box (1), of one side of the second dust remover (4), an exhaust funnel (10) is installed at one end of the air outlet pipe (9), and a support (11) is installed on, a centrifugal fan (12) is arranged at the top end of the support (11), and a return pipe (13) is connected between the rear end of the exhaust cylinder (10) and the rear end of the air guide pipe (6); the return pipe (13) returns the gas to the gas guide pipe (6) for secondary treatment operation;
a heat exchange plate (16) is arranged in the middle of the inner side of the catalysis box (1), a heating exhaust pipe (17) is arranged on the inner wall of the rear end of the catalysis box (1), a bottom plate (14) is arranged at the bottom end of the interior of the catalysis box (1), and four clamping seats (15) are arranged at the top of the bottom plate (14);
the crushing assembly (8) comprises a first mounting plate (18) and a second mounting plate (19), a crushing barrel (20) is mounted on a side wall penetrating through the first mounting plate (18) and the second mounting plate (19), four groups of fixing plates (21) are mounted between opposite side walls of the first mounting plate (18) and the second mounting plate (19), a connecting rod (22) is connected between the side wall of each group of fixing plates (21) and the inner wall of the crushing barrel (20), one end of each connecting rod (22) is connected with a supporting rod (23), one end of each supporting rod (23) is connected with a fixing seat (24), and the outer wall of each fixing seat (24) is provided with three groups of blades (25); the three groups of blades (25) are driven by airflow to rotate so as to perform crushing operation;
a sealing plate (26) is installed at the front end of the catalyst drawer (2), a sealing rubber pad (27) is arranged at the position close to the edge of the inner side of the rear end of the sealing plate (26), a plurality of groups of clamping plates (28) are clamped on the inner side wall of the catalyst drawer (2), through holes (29) are formed in the two side walls penetrating through the catalyst drawer (2) and the side walls of the clamping plates (28), and four groups of clamping rails (30) are installed at the bottom of the catalyst drawer (2);
a fixed frame (31) is installed on the inner wall of one side of the first dust collector (3), a filter bag (32) is clamped on the inner side of the fixed frame (31), stabilizing assemblies (33) are arranged between the upper end and the lower end of the interior of the first dust collector (3) and the outer wall of the filter bag (32), and two groups of exhaust ports (34) are formed in the inner wall of the other side of the first dust collector (3);
stabilize subassembly (33) and include connecting plate (35), three group installation pole (36) are installed at the top of connecting plate (35), and the bottom of connecting plate (35) installs three group round bar (37), three groups the lagging (39) have been cup jointed to the outside of round bar (37), and the bottom of three group round bar (37) respectively is connected with a set of spherical kicking block (38).
2. The industrial waste gas treatment device according to claim 1, wherein the first dust remover (3) and the second dust remover (4) are symmetrically arranged by taking the middle position of the front end of the catalytic box (1) as a center, and two groups of holes matched with the exhaust port (34) are formed at the joint of the two side walls of the catalytic box (1) and the side walls of the first dust remover (3) and the second dust remover (4).
3. The industrial waste gas treatment device according to claim 1, wherein an end of the centrifugal fan (12) is provided with a gas supply conduit, one end of the gas supply conduit extends into the exhaust funnel (10), a lower half diameter of the exhaust funnel (10) is smaller than an upper half diameter of the exhaust funnel, and a switch valve is mounted on an upper position of one end of a side wall of the exhaust funnel (10) close to the return pipe (13).
4. The industrial waste gas treatment device according to claim 1, wherein four sets of the clamping seats (15) and four sets of the clamping rails (30) are arranged in parallel in pairs, each set of the clamping seats (15) is engaged with each set of the clamping rails (30), and the catalyst drawer (2) is slidably connected with the clamping seats (15) through the clamping rails (30).
5. The industrial waste gas treatment device according to claim 1, wherein the rear end area of the sealing plate (26) is larger than the front end area thereof, the front end of the catalytic box (1) is provided with a groove which is matched with the sealing plate (26), the depth of the groove is equal to the thickness of the sealing plate (26), and both side walls of the sealing plate (26) and the upper wall and the lower wall thereof are covered with a rubber layer.
6. An industrial waste gas treatment device according to claim 1, characterized in that four said struts (23) are equally spaced on the inner wall of the crushing barrel (20) with the center position of the cross section of the crushing barrel (20) as the symmetrical point, and wherein two sets of the holders (24) at the ends of the struts (23) in opposite directions are installed at the positions near the rear ends of the struts (23), and the other two sets of the holders (24) at the ends of the struts (23) in opposite directions are installed at the positions near the front ends of the struts (23).
7. The industrial waste gas treatment device according to claim 1, wherein fixing members are mounted at joints of two ends of the fixing plate (21) and the side walls of the first mounting plate (18) and the second mounting plate (19), the fixing members are arranged in an L shape, and screws are arranged at joints of the outer wall penetrating through the fixing members and the side walls of the fixing plate (21), the first mounting plate (18) and the second mounting plate (19).
8. The industrial waste gas treatment device according to claim 1, wherein the interior of the filter bag (32) is hollow, and a metal frame is attached to the inner wall of the filter bag (32), the metal frame is cylindrical, and the metal frame is formed by welding a plurality of metal rods.
9. The industrial waste gas treatment device according to claim 1, wherein the two groups of stabilizing components (33) are oppositely arranged, the bottom of the spherical top block (38) is wrapped with a hemispherical rubber sleeve, welding plates are respectively arranged on two side walls of the mounting rod (36) close to the top end, and the outer walls of the welding plates are welded with the inner wall of the first dust remover (3).
10. The industrial waste gas treatment process is characterized by comprising the following steps:
the method comprises the following steps: an acid-base catalyst is put into an interval separated by each clamping plate (28) in the catalyst drawer (2), the heating calandria (17) is connected with a power supply and started, the temperature inside the catalysis box (1) is monitored by a temperature monitor in real time, the temperature inside the catalysis box (1) is heated to 450 ℃ and 500 ℃, and the heating calandria (17) is closed when power is off;
step two: the industrial waste gas is guided into the gas guide pipe (6) from the gas inlet pipe (7), the industrial waste gas enters the gas guide pipe (6), firstly passes through the crushing assembly (8), enters the crushing cylinder (20), under the driving of airflow, the surface blades (25) of the fixed seat (24) rotate, the four groups of blades (25) rotate simultaneously to crush large-particle dust in the industrial waste gas, and then the industrial waste gas enters the first dust remover (3) from the gas guide pipe (6) through the connector (5);
step three: waste gas enters the first dust collector (3), firstly enters the filter bag (32) for filtering, then is filtered by the filter bag (32), then enters the through hole (29) through the two groups of exhaust ports (34), is discharged into the catalyst drawer (2) through the through hole (29), and is catalyzed by the catalyst in the catalyst drawer (2);
step four: the centrifugal fan (12) at the top of the support (11) is started, the centrifugal fan (12) rotates, the air inside the exhaust funnel (10) is discharged, the gas inside the catalytic box (1) is driven to enter the second dust remover (4), the filter bag (32) in the second dust remover (4) is used for filtering again, the centrifugal fan (12) is closed, after the gas enters the exhaust funnel (10), the gas valve on the side wall of the exhaust funnel (10) is closed, the gas enters the gas guide tube (6) through the return tube (13), the gas passes through the joint (5) again, the first dust remover (3) and the catalytic box (1), finally enters the gas outlet tube (9) from the second dust remover (4), the gas valve on the side wall of the exhaust funnel (10) is opened, the gas is discharged from the top of the exhaust funnel (10), and the whole treatment process is finished.
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| WO2022241664A1 (en) * | 2021-05-19 | 2022-11-24 | 王友善 | Method for treating industrial waste gas, and device |
| CN114797466A (en) * | 2022-03-25 | 2022-07-29 | 贵州西电电力股份有限公司黔北发电厂 | Thermal power plant flue gas denitration system and method for processing denitration catalyst without shutdown |
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| CN106492621A (en) * | 2016-12-30 | 2017-03-15 | 深圳市能源环保有限公司 | A kind of incinerator two-part flue gas purification system |
| CN108691622A (en) * | 2018-04-19 | 2018-10-23 | 叶彩英 | A kind of novel environment-friendly exhaust gas processing device |
| CN108479277A (en) * | 2018-06-14 | 2018-09-04 | 张志锋 | A kind of dust-extraction unit and its application method with air-cleaning function |
| CN208817500U (en) * | 2018-08-30 | 2019-05-03 | 山东聚美清洁环卫设备有限公司 | Catalytic combustion system |
| CN109772046A (en) * | 2019-03-26 | 2019-05-21 | 广州林电科技有限公司 | A kind of heavy duty detergent sack cleaner with crushing function for coal chemical industry |
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