CN117679881A - Coke oven gas dust removal device and method - Google Patents
Coke oven gas dust removal device and method Download PDFInfo
- Publication number
- CN117679881A CN117679881A CN202410114682.2A CN202410114682A CN117679881A CN 117679881 A CN117679881 A CN 117679881A CN 202410114682 A CN202410114682 A CN 202410114682A CN 117679881 A CN117679881 A CN 117679881A
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- Prior art keywords
- coke oven
- oven gas
- abutting block
- bed
- packed bed
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- 239000000571 coke Substances 0.000 title claims abstract description 67
- 239000000428 dust Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 239000010865 sewage Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 61
- 230000005540 biological transmission Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention discloses a coke oven gas dust removing device and a method, which relate to the field of coke oven gas dust removing and comprise a base and a tank body arranged on the base, wherein an air inlet, an air outlet, a liquid inlet and a sewage outlet are arranged on the tank body, a filler mechanism is arranged in the tank body, coke oven gas entering from the air inlet is discharged from the air outlet after being subjected to solid-gas separation by the filler mechanism, the filler mechanism comprises a first filler bed arranged below and a second filler bed arranged above, and a connecting mechanism is arranged between the first filler bed and the second filler bed. According to the coke oven gas dust removal device provided by the invention, when the amount of coke oven gas entering the tank body is small, the dust removal capability of the first packed bed can completely meet the dust removal effect of the coke oven gas, and at the moment, the driving assembly only drives the first packed bed to rotate independently, so that the load of the driving assembly is reduced, and the service life of the second packed bed is prolonged.
Description
Technical Field
The invention relates to the field of coke oven gas dust removal, in particular to a device and a method for removing dust from coke oven gas.
Background
It is known that coke oven gas mainly consists of carbon monoxide, carbon dioxide, hydrogen and some impurity gases. These gases can be collected and utilized, one of their uses: as raw materials for producing methanol and liquid ammonia, dust removal, desulfurization and the like are required before using coke oven gas.
For example, patent document with the grant publication number CN105642062B and the grant date 2018-06-26, entitled "a device and method for removing fine particles from gas by supergravity", includes: the gas inlet of the super-gravity rotary packed bed is connected with a dust-containing gas source through a vortex shedding flowmeter, the liquid inlet is connected with a liquid storage tank through a liquid pump, the liquid outlet is connected with the liquid storage tank through a U-shaped liquid sealing device, the gas inlet is tangentially arranged outside a shell of the super-gravity rotary packed bed, a return-type flow guide inlet plate is arranged at the gas inlet, a packing layer is arranged in the super-gravity rotary packed bed, and the packing is plastic pall ring packing. The total dust removal efficiency is up to 99.6%, the classification efficiency is also obviously improved, and the method is more suitable for removing fine particles in gas. The economic cost is reduced. The operation is more stable, the energy consumption is low, and the method is suitable for industrial application; the device is not blocked and can continuously operate; the equipment is light in weight and convenient to transport.
The utility model has the advantages of when using supergravity dust collector to remove dust to focusing stove gas, be provided with solitary packed bed, drive whole packed bed through drive assembly and rotate, no matter get into jar that the inside coke oven gas of body is little, all remove dust to focusing stove gas through whole packed bed, but when getting into jar that the inside coke oven gas of body is less, only need partial packed bed rotate can realize removing dust, obviously, if whole packed bed is in the state of whole rotation always, can improve drive assembly's load on the one hand, on the other hand can reduce whole packed bed's life.
Disclosure of Invention
The invention aims to provide a device and a method for dedusting coke oven gas, which are used for solving the defects in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
the coke oven gas dust removal device comprises a base and a tank body arranged on the base, wherein an air inlet, an air outlet, a liquid inlet and a sewage outlet are formed in the tank body, a packing mechanism is arranged in the tank body, coke oven gas entering from the air inlet is discharged from the air outlet after being subjected to solid-gas separation by the packing mechanism, the packing mechanism comprises a first packing bed arranged below and a second packing bed arranged above, and a connecting mechanism is arranged between the first packing bed and the second packing bed;
the device also comprises a driving assembly; the driving assembly is provided with a first state for driving the first packed bed to rotate independently and a second state for driving the first packed bed and the second packed bed to rotate synchronously.
In the coke oven gas dust removal device, the air inlet is arranged along the tangential direction of the tank body.
The driving assembly comprises a driving motor and a first driving wheel connected with the output end of the driving motor, the driving motor is arranged on the base, a rotating shaft is fixedly connected to the first packing bed, a second driving wheel is fixedly connected to the rotating shaft, and a driving belt is arranged between the first driving wheel and the second driving wheel.
The connecting mechanism comprises a first abutting block and a second abutting block, the first abutting block is arranged on the first packing bed, the second abutting block is arranged on the second packing bed, vertical surfaces are arranged on the first abutting block and the second abutting block, and when the driving assembly is in a second state, the vertical surfaces of the second abutting block are located on the movement stroke of the vertical surfaces of the first abutting block.
The first abutting block is fixedly connected to the extrusion plate, the arc-shaped surface is arranged on the first abutting block, and when the driving assembly is in a first state, the arc-shaped surface of the first abutting block is located on the movement stroke of the arc-shaped surface of the first abutting block.
The coke oven gas dust removal device further comprises an air flow monitoring mechanism which is arranged in the air inlet and used for measuring the flow of the coke oven gas.
The coke oven gas dust removal device further comprises a locking mechanism, wherein the locking mechanism fixes the position of the second packed bed when the driving assembly is in the first state.
According to the coke oven gas dust removal device, the liquid inlet is provided with the spraying mechanism for supplying water to the first packed bed and the second packed bed.
The spraying mechanism comprises a shunt tube communicated with the liquid inlet, a plurality of spray holes are formed in the shunt tube, circular grooves are formed in the first packed bed and the second packed bed, and the shunt tube is located in the circular grooves;
a delivery assembly for supplying water to the shunt is also included.
A dust removing method for coke oven gas uses the dust removing device for coke oven gas to remove impurities in the coke oven gas.
In the technical scheme, the coke oven gas dust removal device is provided with the driving mechanism, the first packed bed and the second packed bed, when the coke oven gas entering the inside of the tank body is less, the dust removal capacity of the first packed bed can completely meet the dust removal effect of the coke oven gas, and at the moment, the driving assembly only drives the first packed bed to rotate independently, so that the load of the driving assembly is reduced, and the service life of the second packed bed is prolonged;
when more coke oven gas enters the tank body, the dust removing capability of the first packing bed cannot meet the dust removing effect of the coke oven gas, and at the moment, the first packing bed and the second packing bed are connected into a whole under the effect of the connecting mechanism, so that the first packing bed and the second packing bed synchronously rotate to remove dust, and the coke oven gas is fully removed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present invention;
FIG. 2 is a schematic side view of another embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure at a-a in FIG. 2;
FIG. 4 is a schematic view of the partial structure of FIG. 3;
FIG. 5 is a schematic diagram illustrating a connection structure between a first abutting block and a second abutting block according to another embodiment of the present invention;
FIG. 6 is an exploded view of a first abutment block and a second abutment block according to another view angle according to yet another embodiment of the present invention;
FIG. 7 is an enlarged schematic view of the partial structure of FIG. 4A;
fig. 8 is an enlarged schematic view of a partial structure at B in fig. 4.
Reference numerals illustrate:
1. a base; 2. a tank body; 3. an air inlet; 4. an exhaust port; 5. a liquid inlet; 6. a sewage outlet; 7. a first packed bed; 8. a second packed bed; 9. a driving motor; 10. a first driving wheel; 11. a rotating shaft; 12. a second driving wheel; 13. a transmission belt; 14. a first abutment block; 15. an extrusion plate; 16. a second abutment block; 17. a bracket; 18. a filler; 19. a lifting groove; 20. a first spring; 21. a transmission rod; 22. a locking lever; 23. a locking groove; 24. a connection part; 25. a movable groove; 26. a second spring; 27. an unlocking part; 28. avoidance holes; 29. unlocking the block; 30. a third spring; 31. a shunt; 32. a spray hole; 33. a circular groove; 34. a retainer ring; 35. a semi-annular aperture.
Detailed Description
In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the orientation of the tank 2 with respect to the base 1 in fig. 3 is taken as up, and vice versa, and this orientation is also the orientation of the dust removing device in daily use, and the orientations or positional relationships indicated by the terms "center", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present invention.
Referring to fig. 1-8, the coke oven gas dust removal device provided by the embodiment of the invention comprises a base 1 and a tank body 2 arranged on the base 1, wherein an air inlet 3, an air outlet 4, a liquid inlet 5 and a sewage outlet 6 are arranged on the tank body 2, a packing mechanism is arranged in the tank body 2, coke oven gas entering from the air inlet 3 is discharged from the air outlet 4 after being subjected to solid-gas separation by the packing mechanism, the packing mechanism comprises a first packing bed 7 arranged below and a second packing bed 8 arranged above, and a connecting mechanism is arranged between the first packing bed 7 and the second packing bed 8; the device also comprises a driving assembly; the driving assembly has a first state for driving the first packed bed 7 to rotate independently and a second state for driving the first packed bed 7 and the second packed bed 8 to rotate synchronously.
Specifically, the base 1 is a square frame body, the tank body 2 is arranged above the base 1, the tank body 2 is preferably a round tank, the air inlet 3 and the liquid inlet 5 are arranged on the circumferential wall of the tank body 2, the air outlet 4 is arranged at the top end of the tank body 2, the sewage outlet 6 is arranged at the bottom end of the tank body 2, the packing mechanism is preferably a rotary packed bed, the air inlet 3 is positioned below the packing mechanism, the liquid inlet 5 is positioned above the packing mechanism, coke oven gas is injected into the tank body 2 through the air inlet 3 by a fan, an air pump and other structures, meanwhile, the packing mechanism is driven to rotate by a driving piece such as a motor, water is sprayed (absorbed liquid) to the packing mechanism synchronously through the liquid inlet 5, after the water flows into the packing mechanism, the water is sheared into liquid drops, liquid wires and liquid films due to high-speed rotation of the packing mechanism, so that the coke oven gas moves from top to bottom, the two are intersected, so that the absorption liquid can catch impurities in the coke oven gas, the formed sewage can flow downwards along the inner wall of the tank body 2 and the packing mechanism, and finally is discharged through the drain outlet 6, the purified coke oven gas enters the gas holder through the exhaust outlet 4 for temporary storage, which is not described in detail in the prior art, one of the key innovation points of the embodiment of the invention is that the two packing beds are arranged, namely, a first packing bed 7 and a second packing bed 8, the first packing bed 7 and the second packing bed 8 are both rotationally arranged in the tank body 2, the first packing bed 7 and the second packing bed 8 are coaxially arranged, the first packing bed 7 is positioned below the second packing bed 8, the connecting mechanism is of the existing splicing structure and is used for connecting the first packing bed 7 and the second packing bed 8 into a whole, the driving component is preferably a motor, the output end of the driving component is fixedly connected with the first packing bed 7, the effect of the arrangement is that when the coke oven gas entering the tank body 2 is less, the dust removing capability of the first packed bed 7 can completely meet the dust removing effect of the coke oven gas, the driving assembly is in the first state, and at the moment, the driving assembly only drives the first packed bed 7 to rotate independently, so that the load of the driving assembly is reduced, and the service life of the second packed bed 8 is prolonged; when more coke oven gas enters the tank body 2, the driving motor 9 is in a second state, and the dust removing capability of the first packed bed 7 cannot meet the dust removing effect of the coke oven gas, and the first packed bed 7 and the second packed bed 8 are connected into a whole under the effect of the connecting mechanism, so that the first packed bed 7 and the second packed bed 8 synchronously rotate to remove dust, and the coke oven gas is fully removed.
Preferably, the air inlet 3 is arranged along the tangential direction of the tank 2, the coke oven gas enters the tank 2 along the tangential direction of the tank 2, and the effect of the arrangement is that dust particles contained in the coke oven gas are thrown by the inner wall of the tank 2 under the action of centrifugal force and then fall to the bottom of the tank 2, so as to realize primary dust removal, thereby reducing the amount of the dust particles entering the filling mechanism.
Preferably, the driving assembly comprises a driving motor 9 and a first driving wheel 10 connected with the output end of the driving motor 9, the driving motor 9 is arranged on the base 1, a rotating shaft 11 is fixedly connected on the first packed bed 7, a second driving wheel 12 is fixedly connected on the rotating shaft 11, a driving belt 13 is arranged between the first driving wheel 10 and the second driving wheel 12, specifically, the driving motor 9 is vertically arranged above the base 1, the output end of the driving motor 9 penetrates through a hollow area in the base 1 and is fixedly connected with the first driving wheel 10, the top end of the rotating shaft 11 is fixedly connected to the lower surface of the first packed bed 7 and is coaxially arranged with the first packed bed 7, the rotating shaft 11 penetrates through the bottom wall of the tank body 2 and the top end of the base 1 and is fixedly connected with the second driving wheel 12, the first driving wheel 10 and the second driving wheel 12 are preferably belt pulleys, and the corresponding driving belt 13 is preferably belt belts.
Preferably, the connecting mechanism comprises a first abutting block 14 and a second abutting block 16, the first abutting block 14 is arranged on the first packed bed 7, the second abutting block 16 is arranged on the second packed bed 8, the first abutting block 14 and the second abutting block 16 are both provided with vertical surfaces, when the driving assembly is in a second state, the vertical surfaces of the second abutting block 16 are positioned on the motion stroke of the vertical surfaces of the first abutting block 14, specifically, the first packed bed 7 and the second packed bed 8 comprise a bracket 17 and a filler 18 arranged inside the bracket 17, the bracket 17 is in a circular ring shape, the inside of the bracket is provided with a cross rib block, the first abutting block 14 and the second abutting block 16 are square blocks, the first abutting block 14 and the second abutting block 16 are all arranged on the cross rib block, and are both provided with a plurality of vertical surfaces, the first abutting block 14 and the second abutting block 14 are positioned on the bracket 17, the second abutting block 7 is positioned on the vertical surfaces of the bracket 16, and the second abutting block 7 is positioned on the vertical surfaces of the second abutting block 8, and the second abutting block 8 is driven by the first abutting block 14 and the second abutting block 8, and the second abutting block 8 is driven by the first abutting block 7 and the second abutting block 8, and the second abutting block 8 is positioned on the vertical surfaces of the vertical surfaces, and the second abutting block 8 is driven by the first abutting block and the second abutting block 8, and the second abutting block is in the synchronous flow direction, and the first abutting block and the second abutting block is driven by the second abutting block and the second abutting block 8 and the second abutting block and the second filler 8 and the second filler 7 and the second filler.
When the first filler bed 7 is filled with water through the liquid inlet 5, even if the second filler bed 8 does not work, part of water still enters the second filler bed 8, on one hand, water is wasted, on the other hand, the service life of the second filler bed 8 is reduced under the soaking effect of the water, further, the second filler bed 8 is elastically provided with a squeezing plate 15, the second abutting block 16 is fixedly connected on the squeezing plate 15, the first abutting block 14 and the second abutting block 16 are respectively provided with an arc surface, when the driving assembly is in the first state, the arc surface of the second abutting block 16 is positioned on the motion stroke of the arc surface of the first abutting block 14, the squeezing plate 15 is in a rectangular plate-shaped structure, is arranged on the cross-shaped rib blocks, is correspondingly arranged with the second abutting block 16 in number, the bracket 17 of the second filler bed 8 is provided with a lifting groove 19, the extrusion plate 15 is slidably connected with the lifting groove 19, a first spring 20 is elastically arranged between the extrusion plate 15 and the inner bottom wall of the lifting groove 19, the arc surface on the first abutting block 14 is arranged at the top end of the opposite surface of the vertical surface, the arc surface on the second abutting block 16 is arranged at the bottom end of the opposite surface of the vertical surface, when the driving assembly is in the first state, the arc surface of the second abutting block 16 is positioned on the movement stroke of the arc surface of the first abutting block 14, the driving assembly drives the first packed bed 7 to rotate reversely (the reverse direction is the reverse direction when rotating relative to the second state) when the flow rate of coke oven gas entering the air inlet 3 is smaller, the driving assembly drives the first abutting block 14 to synchronously rotate around the central axis of the rotating shaft 11 in the process of rotating the first abutting block 14, the arc surface of the first spring 20 is abutted against the arc surface of the second abutting block 16, so that the second abutting block 16 and the extrusion plate 15 are driven to move upwards, the first spring 20 is stretched to slightly extrude the filler 18 in the extrusion and upward movement process, after the first abutting block 14 is abutted against the second abutting block 16, the extrusion plate 15 is driven to reset automatically under the action of the gravity of the first spring 20 and the extrusion plate 15, the extrusion plate 15 is driven to vibrate repeatedly in a reciprocating manner, and the first filler bed 7 is positioned below the second filler bed 8, so that water in the second filler bed 8 is shaken off into the first filler bed 7 for dust removal.
As another embodiment of the present invention, the present invention further includes an airflow monitoring mechanism disposed inside the air inlet 3 and configured to measure a flow rate of coke oven gas, and specifically, the airflow monitoring mechanism is an existing structure such as a flowmeter and a sensor, and is configured to monitor a flow rate of coke oven gas entering the air inlet 3, and is electrically connected to the driving assembly, where the function of the setting is that when the airflow monitoring mechanism monitors that the flow rate of coke oven gas entering the air inlet 3 is too large, the airflow monitoring mechanism controls the driving assembly to be in a second state, that is, when the airflow monitoring mechanism monitors that the flow rate of coke oven gas entering the air inlet 3 is small, the airflow monitoring mechanism synchronously focuses oven gas with the first packed bed 7 and the second packed bed 8, and when the airflow monitoring mechanism monitors that the flow rate of coke oven gas entering the air inlet 3 is small, the airflow monitoring mechanism controls the driving assembly to be in the first state, that is, that only the first packed bed 7 is required to separately focus oven gas to remove dust.
When the arcuate surfaces of the first and second abutting blocks 14 and 16 abut against each other (this is the first state), the first abutting block 14 still provides a component force to the second abutting block 16 in the horizontal direction, and this separation causes the second abutting block 16 and the packed bed to rotate, so that the two abutting against each other are not stable enough, and further, the present invention further includes a locking mechanism which fixes the position of the second packed bed 8 when the driving unit is in the first state, and the locking mechanism is an existing plug-in structure, and the present invention has the function that the locking mechanism fixes the position of the second packed bed 8 when the driving unit is in the first state, and the first and second abutting blocks 14 and 16 can stably abut against each other because the second packed bed 8 cannot rotate, so that the pressing plate 15 can stably vibrate.
As still another embodiment of the present invention, the locking mechanism includes a driving rod 21 and a locking rod 22 disposed on the driving rod 21, the driving rod 21 is slidably disposed in the bracket 17, the inner wall of the tank 2 is provided with a plurality of locking grooves 23, the locking block is inserted into the locking grooves 23, the driving rod 21 is provided with a connecting portion 24, the bracket 17 is internally provided with a movable groove 25 adapted to the connecting portion 24, a second spring 26 is disposed between the connecting portion 24 and the movable groove 25, specifically, the driving rod 21 is a square rod, which is horizontally disposed in a cross rib block, the locking rod 22 is preferably a cylindrical rod, which is disposed on one end of the driving rod 21 close to the inner wall of the tank 2, the connecting portion 24 is a protrusion structure of the driving rod 21, one end of the second spring 26 is fixedly connected to the connecting portion 24, and the other end is fixedly connected to the side wall of the movable groove 25, and the effect that the first spring 20 is in a compressed state when the driving assembly is in a first state, the elastic force provided by the first spring 20 makes the locking rod 22 inserted into the locking rod 21 to the locking groove 23 so that the second filler 8 cannot rotate around the bed 8, and thus the second filler 8 cannot rotate around the central axis 8.
The end of the transmission rod 21 far away from the locking rod 22 is provided with an unlocking part 27, the second abutting part is provided with a avoidance hole 28, the transmission rod 21 penetrates through the avoidance hole 28, an unlocking block 29 is slidably arranged on the second abutting block 16, a third spring 30 is arranged between the unlocking block 29 and the side wall of the second abutting block 16, the unlocking part 27 is positioned on the motion stroke of the unlocking block 29, when the driving assembly is in the second state, the unlocking block 29 is positioned on the motion stroke of the vertical surface of the first abutting block 14, the unlocking block 29 is in an L shape, the horizontal section of the unlocking block 29 is slidably arranged on the second abutting block 16, the vertical section of the unlocking block is positioned on the motion stroke of the vertical surface of the first abutting block 14, the third spring 30 is positioned between the vertical section and the side wall of the second abutting block 16, wedge-shaped surfaces are respectively arranged on the unlocking block 29 and the unlocking part 27, the wedge surface on the transmission rod 21 is positioned on the movement stroke of the wedge surface of the unlocking block 29, the vertical dimension of the avoidance hole 28 is larger than the thickness of the transmission rod 21 and the unlocking part 27, and the arrangement has the effects that when the driving assembly is in the first state, the arc surface of the first abutting block 14 is abutted with the arc surface of the second abutting block 16, so that the second abutting block 16 and the avoidance hole 28 are driven to synchronously move upwards, the vertical dimension of the avoidance hole 28 is larger than the thickness of the transmission rod 21 and the unlocking part 27, the avoidance hole 28 cannot interfere with the transmission rod 21, the extrusion plate 15 can work normally, when the driving assembly is in the second state, the vertical surface of the first abutting block 14 is preferentially abutted with the vertical section of the unlocking block 29 before the vertical surface of the second abutting block 16, the unlocking block 29 is driven to slide towards the unlocking part 27, and the third spring 30 is extruded, the wedge surface of the unlocking block 29 is abutted with the wedge surface of the unlocking part 27, so that the transmission rod 21, the connecting part 24 and the locking rod 22 are driven to slide in a direction away from the locking groove 23, the second spring 26 is further pressed, the locking effect between the locking rod 22 and the locking groove 23 is released passively, the second packed bed 8 is in a rotatable state, at the moment, the rotation of the first packed bed 7 drives the second packed bed 8 to synchronously rotate, so that the dust removal effect is achieved, after dust removal is finished, the first packed bed 7 and the first abutting block 14 stop rotating, so that the acting force on the second abutting block 16 is eliminated, the transmission rod 21 and the unlocking block 29 are automatically reset under the action of the second spring 26 and the third spring 30 respectively, and at the moment, the locking rod 22 is inserted into one of the locking grooves 23 again, so that the passive locking of the second packed bed 8 is achieved.
Further, a spraying mechanism for supplying water to the first packed bed 7 and the second packed bed 8 is arranged on the liquid inlet 5, the spraying mechanism comprises a shunt tube 31 communicated with the liquid inlet 5, a plurality of spray holes 32 are formed in the shunt tube 31, circular grooves 33 are formed in the first packed bed 7 and the second packed bed 8, and the shunt tube 31 is positioned in the circular grooves 33; the water-saving and water-saving type water tank is characterized by further comprising a conveying component for supplying water to the shunt tube 31, specifically, the shunt tube 31 is -shaped, a plurality of spray holes 32 are formed in the outer peripheral surface of the shunt tube 31, which is far away from the central axis of the tank body 2, the circular groove 33 is formed in the central position of the first packed bed 7 and the second packed bed 8, the positions of the spray holes 32 are correspondingly arranged with the inner side walls of the circular groove 33, the conveying component is an existing power mechanism such as an infusion pump, one end of the conveying component is communicated with structures such as a water storage tank, the other end of the conveying component is communicated with the liquid inlet 5, and the conveying component is used for conveying water flow to the shunt tube 31 through the conveying component, the water flow can be sprayed onto the inner side walls of the circular groove 33 in the middle of the first packed bed 7 and the second packed bed 8 through the spray holes 32, and a centrifugal force can be provided for water flow from the inner side walls of the circular groove 33 to the first packed bed 7 and the second packed bed 8 through rotation of the first packed bed 7 and the second packed bed 8, and the first packed bed 8 can be fully covered by the water flow. Further, a retaining ring 34 is fixedly connected to the extrusion plate 15, a semi-annular hole 35 adapted to the spray hole 32 is formed in the retaining ring 34, when the driving assembly is in the first state, the semi-annular hole 35 is far away from the spray hole 32, when the driving assembly is in the second state, the semi-annular hole 35 overlaps the spray hole 32, specifically, the retaining ring 34 is cylindrical and sleeved outside the shunt tube 31, a plurality of semi-annular holes 35 are vertically arranged on the outer peripheral surface of the retaining ring 34, the vertical height of the retaining ring 34 is higher than the height of the filler 18 inside the first filler bed 7, the function of the arrangement is that when the driving assembly is in the second state, the extrusion plate 15 and the retaining ring 34 are at the bottommost end, and the semi-annular holes 35 and the spray hole 32 are at the same vertical height, namely, the semi-annular holes 35 overlap the spray hole 32, when the first packed bed 7 and the second packed bed 8 are synchronously dedusting, water in the shunt tube 31 flows into the first packed bed 7 and the second packed bed 8 through the spray holes 32 and the semi-annular holes 35, when the driving assembly is in the first state, the first abutting block 14 drives the second abutting block 16 and the extrusion plate 15 to move upwards, the retaining ring 34 moves upwards synchronously with the extrusion plate 15 because the retaining ring 34 is fixedly connected to the extrusion plate 15, the semi-annular holes 35 are far away from the spray holes 32 at the moment, the vertical height of the retaining ring 34 is higher than the height of the filler 18 in the first packed bed 7, the retaining ring 34 only seals the spray holes 32 corresponding to the second packed bed 8 at the moment so as to prevent water from being sprayed onto the second packed bed 8 through the spray holes 32 to protect the second packed bed 8, when the first packed bed 7 stops driving, the retainer ring 34 is automatically reset under the action of self gravity and the elastic force of the first spring 20.
It should be noted that, when the driving assembly is in the first state, after one of the first abutting blocks 14 drives the second abutting block 16 to move upwards, the second abutting block 16 will move downwards under the action of its own gravity and the elastic force of the first spring 20, and when the second abutting block 16 does not fall to the bottommost end, since the first abutting blocks 14 are provided with a plurality of rotating speed blocks, the other first abutting block 14 will abut against the second abutting block 16 again, so that the second abutting block 16 and the retainer ring 34 move upwards again, and reciprocate, so that the extruding plate 15 and the retainer ring vibrate within a certain range and do not fall to the bottommost end, that is, the retainer ring 34 can always block the corresponding spray hole 32 of the second packed bed 8 in this process.
It should be noted that, when the driving assembly is in the second state, the acceleration process is slow just when it is started, so as to avoid serious impact between the vertical surface of the first abutment block 14 and the vertical surface of the second abutment block 16.
The invention also provides a method for removing dust from coke oven gas, which uses the device for removing dust from coke oven gas to remove impurities in the coke oven gas.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The coke oven gas dust removal device comprises a base and a tank body arranged on the base, wherein an air inlet, an air outlet, a liquid inlet and a sewage outlet are formed in the tank body, a packing mechanism is arranged in the tank body, and coke oven gas entering from the air inlet is discharged from the air outlet after being subjected to solid-gas separation by the packing mechanism, and the coke oven gas dust removal device is characterized in that the packing mechanism comprises a first packing bed arranged below and a second packing bed arranged above, and a connecting mechanism is arranged between the first packing bed and the second packing bed;
the device also comprises a driving assembly; the driving assembly is provided with a first state for driving the first packed bed to rotate independently and a second state for driving the first packed bed and the second packed bed to rotate synchronously.
2. A coke oven gas dust-removing apparatus according to claim 1, wherein the air inlet is arranged along a tangential direction of the tank.
3. The coke oven gas dust removal device according to claim 1, wherein the driving assembly comprises a driving motor and a first driving wheel connected with an output end of the driving motor, the driving motor is arranged on the base, a rotating shaft is fixedly connected to the first packing bed, a second driving wheel is fixedly connected to the rotating shaft, and a driving belt is arranged between the first driving wheel and the second driving wheel.
4. The coke oven gas dust-removing apparatus according to claim 1, wherein the connecting mechanism comprises a first abutting block and a second abutting block, the first abutting block is disposed on the first packing bed, the second abutting block is disposed on the second packing bed, vertical surfaces are disposed on the first abutting block and the second abutting block, and when the driving assembly is in the second state, the vertical surface of the second abutting block is located on a movement stroke of the vertical surface of the first abutting block.
5. The coke oven gas dust-removing device according to claim 4, wherein the second packing bed is elastically provided with an extrusion plate, the second abutting block is fixedly connected to the extrusion plate, the first abutting block and the second abutting block are respectively provided with an arc surface, and when the driving assembly is in the first state, the arc surfaces of the second abutting block are positioned on the movement stroke of the arc surfaces of the first abutting block.
6. The coke oven gas dust collector of claim 5, further comprising an air flow monitoring mechanism disposed within the air inlet for measuring coke oven gas flow.
7. The coke oven gas dust removal apparatus of claim 5, further comprising a locking mechanism that secures the position of the second packed bed when the drive assembly is in the first state.
8. The coke oven gas dust-removing apparatus according to claim 1, wherein the liquid inlet is provided with a spraying mechanism for supplying water to the first packed bed and the second packed bed.
9. The coke oven gas dust removal device according to claim 8, wherein the spraying mechanism comprises a shunt tube communicated with the liquid inlet, a plurality of spray holes are formed in the shunt tube, circular grooves are formed in the first packed bed and the second packed bed, and the shunt tube is positioned in the circular grooves;
a delivery assembly for supplying water to the shunt is also included.
10. A method for removing dust from coke oven gas, characterized in that it uses a device for removing dust from coke oven gas according to any one of claims 1-9.
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| CN202410114682.2A CN117679881B (en) | 2024-01-29 | 2024-01-29 | Coke oven gas dust removal device and method |
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| CN202410114682.2A CN117679881B (en) | 2024-01-29 | 2024-01-29 | Coke oven gas dust removal device and method |
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| CN117679881A true CN117679881A (en) | 2024-03-12 |
| CN117679881B CN117679881B (en) | 2024-04-09 |
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| CN116037011A (en) * | 2023-03-17 | 2023-05-02 | 中国石油大学(华东) | Gas-liquid countercurrent type supergravity rotary packed bed with internal circulation and method |
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| CN203750201U (en) * | 2014-03-06 | 2014-08-06 | 牛特 | Double-packed bed hypergravity device |
| CN204768226U (en) * | 2015-07-08 | 2015-11-18 | 广州市浩立生物科技有限公司 | Hypergravity multiple -effect flue gas is retrieved and gas cleaning device |
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| CN117679881B (en) | 2024-04-09 |
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