CN210522072U - Vertical particle moving bed and dust-containing high-temperature oil gas dust removal system - Google Patents
Vertical particle moving bed and dust-containing high-temperature oil gas dust removal system Download PDFInfo
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- CN210522072U CN210522072U CN201921228883.6U CN201921228883U CN210522072U CN 210522072 U CN210522072 U CN 210522072U CN 201921228883 U CN201921228883 U CN 201921228883U CN 210522072 U CN210522072 U CN 210522072U
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Abstract
The utility model discloses a perpendicular granule removes bed and dusty high temperature oil gas dust pelletizing system, the utility model discloses the left side of perpendicular granule removes bed pre-treatment chamber is provided with the air inlet, and the right side that perpendicular granule removed the room is provided with the gas outlet, is provided with the vertical baffle of connection on the inner wall around the casing between pre-treatment chamber and the perpendicular granule removal room, and the upper portion of baffle is provided with the filter material diffluence pass, and the indoor filter material diffluence pass that is located of pre-treatment is located is provided with the distributing device, and the below of distributing device is provided with filter material passageway device, sets up the filter material passageway that the guide filter. The utility model discloses down speed from the air inlet to the gas outlet filter material is and slows down the state, can adapt to dusty high temperature oil gas and reduce gradually the state change that becomes less to the filter material demand from the air inlet to the gas outlet dustiness to make the filter material can both obtain fine utilization.
Description
Technical Field
The utility model relates to a dusty high temperature oil gas dust collector and dusty high temperature oil gas dust pelletizing system.
Background
Chinese patent No. 201620260838.9 discloses a device for removing dust in high-temperature oil gas, which comprises a cylinder body; the oil gas inlet and the purified gas outlet are communicated with the cylinder; a filter material inlet and a discharging outlet which are communicated with the cylinder body; and a solid filter material which is positioned in the cylinder body and spatially divides the oil gas inlet and the purified gas outlet; the position relationship between the filter material inlet and the blanking outlet is suitable for the solid filter material to reach the blanking outlet from the filter material inlet by means of gravity. The device has the following defects: all the filter material speeds in the cylinder are consistent, the high-temperature oil gas is gradually purified after contacting with the filter material, and the utilization rate of the filter material contacting with the high-temperature oil gas is not high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the vertical particle moving bed for removing dust from high-temperature oil gas containing dust is provided, so that the high-temperature oil gas can be subjected to multistage dust removal, particle filter materials in the vertical particle moving bed, which are contacted with the high-temperature oil gas containing dust, are always fresh, and the dust removal efficiency is high, and the dust removal system for high-temperature oil gas containing dust by adopting the vertical particle moving bed is provided.
In order to solve the technical problem, the vertical particle moving bed of the utility model comprises a shell, a pretreatment chamber and a vertical particle moving chamber which are arranged left and right are arranged in the shell, a filter material inlet communicated with the top of the vertical particle moving chamber is arranged on the shell, an air inlet is arranged on the left side of the pretreatment chamber, an air outlet is arranged on the right side of the vertical particle moving chamber, an air permeable baffle plate for preventing filter materials from entering the air outlet is arranged on the left side of the air outlet in the vertical particle moving chamber, vertical baffle plates connected with the front and rear inner walls of the shell are arranged between the pretreatment chamber and the vertical particle moving chamber, a filter material shunting port is arranged on the upper part of the baffle plate, a distributor is arranged at the filter material shunting port in the pretreatment chamber, a filter material channel device is arranged below the distributor, a filter, the filter material channel device is densely provided with air permeable channels which are communicated with the left side and the right side of the filter material channel device, the bottoms of the pretreatment chamber and the vertical particle moving chamber are provided with filter material outlets, and the left part and the right part of the vertical particle moving chamber are respectively converged to different filter material outlets.
In order to make the filter material passage device easy to process, the filter material passage device comprises a plurality of layers of distributing plates arranged at intervals from top to bottom and a plurality of layers of limiting plates arranged at intervals from top to bottom, the lower ends of the distributing plates and the lower ends of the limiting plates are arranged in a one-to-one crossed manner and are spaced from each other, the upper end of each distributing plate faces right and is in lap joint with a partition plate, the upper end of each limiting plate faces left, and the lower plates of all the limiting plates and the distributing plates are used for receiving filter materials sliding down on the plates.
The cloth plate on be provided with the filter material clearing hole, the filter material passing hole on the adjacent cloth plate staggers mutually, the lower extreme of cloth plate be provided with filter material overflow weir, the air vent be vertical slot hole for length direction, the size of air vent is suitable for single filter material to pass through and more than two filter materials can not pass through simultaneously. The filter material overflow weir can make and keep the one deck filter material on the distributing plate, and crisscross filter material clearing hole makes can have the filter material to spill the striking distributing plate of lower floor from upper cloth board, not only makes the filter material more disperse, and the striking makes the filter material of lower floor through the downthehole difficult dust that keeps of downthehole again. The air vent is arranged to pass through the filter material, and the filter material enables the through holes in the partition plate to be cleaned when passing through the partition plate, so that the air flow is convenient.
In order to make the filter material slowly flow into the vertical particle moving chamber, a buffer chamber is arranged in the shell above the pretreatment chamber and the vertical particle moving chamber, the buffer chamber is isolated from the pretreatment chamber, the top of the vertical particle moving chamber is communicated with the buffer chamber, and the filter material inlet is arranged at the top of the buffer chamber and is not aligned to the vertical particle moving chamber.
The middle part of the front side wall and the back side wall in the vertical particle moving chamber is provided with a vertical short flow plate, the left parts of the pretreatment chamber and the vertical particle moving chamber are converged into a first filter material outlet through a funnel, the right parts of the vertical particle moving chamber are converged into a second filter material outlet through the funnel, the first filter material outlet is provided with a first discharging mechanism capable of controlling the discharging speed, and the second filter material outlet is provided with a second discharging mechanism capable of controlling the discharging speed. Because the pore size between the particle filter material and the flat plate is large, the dust-containing high-temperature oil gas does not have good dust removal effect when passing through the pore size between the particle filter material and the flat plate, and after the short flow plate is arranged, the dust-containing high-temperature oil gas collides with the short flow plate and then passes through the pore size between the particle filter materials to achieve the dust removal effect.
In order to control the discharging speed conveniently, the first discharging mechanism and the second discharging mechanism adopt a rotary valve or an auger conveyor.
The utility model discloses dusty high temperature oil gas dust pelletizing system includes perpendicular granule removes bed, granule filter material dust collector and conveyer, perpendicular granule remove bed adopt aforementioned any perpendicular granule to remove the bed, perpendicular granule remove the filter material export and connect granule filter material dust collector's filter material import, the filter material export that granule filter material dust collector was connected to the conveyer and the filter material import that perpendicular granule removed the bed.
The utility model discloses dusty high temperature oil gas dust pelletizing system includes that perpendicular granule removes bed, granule filter material dust collector and conveyer, perpendicular granule remove the bed and adopt aforementioned perpendicular granule to remove the bed, first discharge mechanism and second discharge mechanism's filter material export connect granule filter material dust collector's filter material import, the conveyer is connected granule filter material dust collector's filter material export and the filter material import that perpendicular granule removed the bed.
In order to improve the purifying effect of the granular filter materials, the granular filter material dust removal device comprises a primary granular filter material dust removal device and a secondary granular filter material dust removal device, a filter material outlet of the primary granular filter material dust removal device is connected with a filter material inlet of the secondary granular filter material dust removal device, a filter material outlet of the vertical granular moving bed is connected with a filter material inlet of the primary granular filter material dust removal device, and a filter material outlet of the secondary granular filter material dust removal device is connected with the conveyor.
In order to enable the particle filter material to rapidly circulate and reduce the heat loss of high-temperature oil gas, the conveyor adopts a bucket elevator, a hot air chamber is arranged outside the bucket elevator, a heat insulation layer is arranged outside the hot air chamber of the bucket elevator, and a hot air chamber is arranged outside the vertical particle moving bed.
The utility model has the advantages that: the vertical particle moving bed of the utility model is provided with a pretreatment chamber and a vertical particle moving chamber, a filter material channel for guiding filter materials to flow downwards in a zigzag manner is arranged in a filter material channel device in the pretreatment chamber, so that a screen for moving the particle filter materials from top to bottom is formed in the pretreatment chamber, and can have a relatively fast downward speed with respect to the granular filter material accumulated in the vertical granular moving chamber, the discharging speeds of different filter material outlets corresponding to the left part and the right part of the vertical particle moving chamber at the part adjacent to the partition plate in the vertical particle moving chamber reduce the flow speed of the particle filter materials in the vertical particle moving chamber from the adjacent partition plate to the part far away from the partition plate, therefore, the descending speed of the filter material from the air inlet to the air outlet is in a slowing state, the filter material can adapt to the state change that the dust content of the dust-containing high-temperature oil gas is gradually reduced from the air inlet to the air outlet and the requirement on the filter material is reduced, and therefore the filter material can be well utilized. The utility model discloses dusty high temperature oil gas dust pelletizing system and dust removal method make the filter material circulate between perpendicular granule removal bed, granule filter material dust collector and conveyer three through the conveyer, can realize the continuous processing to dusty high temperature oil gas, and the treatment effeciency is high. The utility model discloses be suitable for very much and remove dust to the high temperature oil gas that the coal schizolysis produced.
Drawings
FIG. 1 is a schematic view of the internal structure of a vertical particle moving bed according to the present invention;
FIG. 2 is a plan view of the short flow plate and the filter material passage device of the vertical particle moving bed of the present invention disposed in the housing;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic enlarged view of a part of the structure of the separator;
FIG. 5 is a flow chart of the dust-laden high temperature oil gas dust removal system of the present invention;
in the figure: 1. a vertical particle moving bed, 2, a primary particle filter material dust removal device, 3, a secondary particle filter material dust removal device, 4, a bucket elevator, 1-1, a buffer chamber, 1-2, a distributor, 1-3, a distribution plate, 1-31, a filter material overflow weir, 1-32, filter material passing holes, 1-4, a limiting plate, 1-5, an air inlet, 1-6, a partition plate, 1-7, a pretreatment chamber, 1-8, a funnel, 1-9, a rotary valve, 1-10, a rotary valve, 1-11, a funnel, 1-12, a short flow plate, 1-13, an air outlet, 1-14, a vertical particle moving chamber, 1-15, a shell, 1-16, a filter material inlet, 1-17, an air permeable baffle, 1-61, a filter material shunting port, 1-62, 1-13, And (4) a vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
As shown in figures 1-4, a vertical particle moving bed comprises a shell 1-15, a pretreatment chamber 1-7 and a vertical particle moving chamber 1-14 which are arranged left and right are arranged in the shell 1-15, a filter material inlet communicated with the top of the vertical particle moving chamber 1-14 is arranged on the shell 1-15, an air inlet 1-5 is arranged on the left side of the pretreatment chamber 1-7, an air outlet 1-13 is arranged on the right side of the vertical particle moving chamber 1-14, and an air permeable baffle 1-17 for preventing filter material from entering the air outlet 1-13 is arranged on the left side of the air outlet 1-13 in the vertical particle moving chamber 1-14. Vertical partition plates 1-6 connected to the front inner wall and the rear inner wall of the shell are arranged between the pretreatment chambers 1-7 and the vertical particle moving chambers 1-14, filter material shunting ports 1-61 are arranged at the upper parts of the partition plates 1-6, distributing devices 1-2 are arranged in the pretreatment chambers 1-7 at the positions of the filter material shunting ports 1-61, filter material passage devices are arranged below the distributing devices 1-2, filter material passages guiding filter materials to flow downwards in a zigzag mode are arranged in the filter material passage devices, vent holes 1-62 are densely distributed in the partition plates 1-6, air permeable passages communicated with the left side and the right side of the filter material passage devices are densely distributed in the filter material passage devices, and filter material outlets are arranged at the bottoms of the pretreatment chambers 1-7 and the vertical particle moving.
The filter material channel device comprises a plurality of layers of cloth plates 1-3 arranged at intervals up and down and a plurality of layers of limiting plates 1-4 arranged at intervals up and down, wherein the lower ends of the cloth plates 1-3 and the lower ends of the limiting plates 1-4 are arranged in a one-to-one crossed mode and are spaced from each other, the upper end opposite to the lower end of the cloth plate 1-3 faces to the right and is in lap joint with the partition plates 1-6, the upper end opposite to the lower end of the limiting plate 1-4 faces to the left, all the limiting plates 1-4 and the lower plate in the cloth plates 1-3 are used for bearing filter materials sliding down on the plate above the limiting plates, so that a filter material channel for guiding the filter materials to flow downwards in a zigzag mode is formed.
The cloth plates 1-3 are provided with filter material passing holes 1-32, and the filter material passing holes 1-32 on the adjacent cloth plates 1-3 are staggered. So that the filter material falling from the filter material on the upper material distributing plate 1-3 through the holes 1-32 can impact the lower material distributing plate 1-3, the filter material scours the dust falling from the filter material on the lower material distributing plate 1-3 through the holes 1-32, the lower end of the material distributing plate 1-3 is provided with a filter material overflow weir 1-31, and the filter material overflow weir 1-31 can keep a layer of filter material on the material distributing plate 1-3.
The middle parts of the front side wall and the rear side wall in the vertical particle moving chambers 1-14 are respectively provided with a vertical short flow plate 1-12, the parts of the pretreatment chambers 1-7 and the vertical particle moving chambers 1-14 positioned at the left sides of the short flow plates 1-12 are converged into a first filter material outlet through funnels 1-8, the parts of the vertical particle moving chambers 1-14 positioned at the right sides of the short flow plates 1-12 are converged into a second filter material outlet through funnels 1-11, the first filter material outlet is provided with rotary valves 1-9, the second filter material outlet is provided with rotary valves 1-10, the rotary valves 1-9 and the rotary valves 1-10 preferably adopt star-shaped rotary valves, and the rotary valves can also be replaced by auger conveyors.
The outer side of the vertical particle moving bed 1 is provided with a hot air chamber, and the outer side of the hot air chamber is provided with a heat preservation layer.
A buffer chamber 1-1 is arranged above the pretreatment chamber 1-7 and the vertical particle moving chamber 1-14 in the shell 1-15, the buffer chamber 1-1 is isolated from the pretreatment chamber 1-7, the top of the vertical particle moving chamber 1-14 is communicated with the buffer chamber 1-1, and a filter material inlet 1-16 is arranged at the top of the buffer chamber 1-1 and is not aligned with the vertical particle moving chamber 1-14.
The dusty high-temperature oil gas dust removal system shown in figure 5 comprises a vertical particle moving bed 1, a primary particle filter material dust removal device 2, a secondary particle filter material dust removal device 3 and a bucket elevator 4, wherein the vertical particle moving bed 1 shown in figures 1-3 is adopted as the vertical particle moving bed, a filter material outlet of the vertical particle moving bed is connected with a filter material inlet of the primary particle filter material dust removal device 2, a filter material outlet of the primary particle filter material dust removal device 2 is connected with a filter material inlet of the secondary particle filter material dust removal device 3, a filter material outlet of the secondary particle filter material dust removal device 3 is connected with a feed inlet of the bucket elevator 4, and a feed inlet of the bucket elevator 4 is connected with filter material inlets 1-. The outer side of the bucket elevator 4 is provided with a hot air chamber, and the outer side of the hot air chamber of the bucket elevator is provided with a heat insulation layer.
The particle filter material dust removal device comprises a dust removal shell and a spiral propeller, wherein a mesh plate is arranged below the spiral propeller in the dust removal shell, a filter material inlet and an air outlet are arranged above the mesh plate on the dust removal shell, an air inlet is arranged below the mesh plate on the dust removal shell, and a filter material outlet is arranged at the tail end of the dust removal shell, which is positioned on the mesh plate and the spiral propeller. The filter material inlet can be provided with a filter screen for screening out the caked filter material, and the non-caked filter material enters the dust removal shell. The caked filter material is periodically cleaned. The dust removing device for the granular filter material is a fluidized bed, is beneficial to the winnowing of air flow to take away dust on the granular filter material, and belongs to the prior art. The distributor also uses prior art.
A dust removal method for dusty high-temperature oil gas adopts a dust removal system for dusty high-temperature oil gas shown in figure 3, and comprises the following steps:
and S1, circulating the particle filter material among the vertical particle moving bed 1, the primary particle filter material dust removal device 2, the secondary particle filter material dust removal device 3 and the bucket elevator 4 by the bucket elevator 4, wherein the particle filter material is one or more of quartz sand, gravel and ceramic spherical particles. The porosity of the granular filter material in the vertical granular moving bed 1 is N, the discharging speed of the distributor 1-2 is V1, the discharging speed of the rotary valve 1-9 is V2, the discharging speed of the rotary valve 1-10 is V3, the granular filter material is added into the vertical granular moving chamber 1-14 from the filter material inlet 1-16 of the vertical granular moving bed 1 and stacked, the granular filter material moves from top to bottom in the vertical granular moving chamber 1-14, part of the granular filter material is brought into the pretreatment chamber 1-7 by the distributor 1-2, slides into the limiting plate 1-4 by the distributing plate 1-3, slides into the distributing plate 1-3 by the limiting plate 1-4, and sequentially moves in a zigzag downward direction to form a curtain shape; part of the filter material on the cloth plate 1-3 falls down from the filter material through holes 1-32 to impact the next cloth plate 1-3, so that the dust of the filter material on the lower cloth plate 1-3 through the holes 1-32 is shaken off, and part of the filter material in the vertical particle moving chamber 1-14 leaks to the pretreatment chamber 1-7 through the vent holes 1-62 on the partition plate 1-6 like raindrops, so as to wash the dust falling in the vent holes 1-62 of the partition plate.
S2, introducing high-temperature gas with the temperature of 650 ℃ into the air inlets of the primary particle filter material dust removal device 2 and the secondary particle filter material dust removal device 3, and discharging the high-temperature gas from the air outlets after taking away dust on the surfaces of the particle filter materials; after passing through the primary particle filter material dust removal device 2 and the secondary particle filter material dust removal device 3, the completely purified particle filter material is conveyed into the bucket elevator 4, and the discharge speed V0 of the bucket elevator 4 is obtained.
S3, introducing high-temperature oil gas containing dust at the temperature of 600 ℃ into an air inlet 1-5 of the vertical particle moving bed 1, horizontally and sequentially passing the high-temperature oil gas containing dust through a pretreatment chamber 1-7 and a vertical particle moving chamber 1-14, and obtaining the high-temperature oil gas after dust removal from an air outlet 1-13 of the vertical particle moving bed 1.
The temperature of the high-temperature gas is not limited to 650 ℃ and the temperature of the dust-containing high-temperature oil gas is not limited to 600 ℃.
The following table shows the parameters of each example of the dust removal method according to this example.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
It should be noted that all the directional indications (such as up, down, left, right, front and rear … …) in the present invention are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a certain posture (as shown in the drawings), and the directional indication is only for convenience of description, and if the posture is changed, the directional indication is also changed accordingly, so that the present invention is not to be construed as being limited.
Claims (10)
1. A vertical moving bed of particles, characterized in that: comprises a shell, a pretreatment chamber and a vertical particle moving chamber which are arranged left and right are arranged in the shell, a filter material inlet communicated with the top of the vertical particle moving chamber is arranged on the shell, an air inlet is arranged on the left side of the pretreatment chamber, an air outlet is arranged on the right side of the vertical particle moving chamber, an air permeable baffle plate used for preventing filter materials from entering the air outlet is arranged on the left side of the air outlet in the vertical particle moving chamber, a vertical partition plate connected to the front inner wall and the rear inner wall of the shell is arranged between the pretreatment chamber and the vertical particle moving chamber, a filter material shunting port is arranged on the upper part of the partition plate, a distributing device is arranged at the filter material shunting port in the pretreatment chamber, a filter material channel device is arranged below the distributing device, a filter material channel for guiding the filter materials to flow downwards in a zigzag manner, the bottoms of the pretreatment chamber and the vertical particle moving chamber are provided with filter material outlets, and the left part and the right part of the vertical particle moving chamber are respectively converged to different filter material outlets.
2. A vertical moving bed of particles according to claim 1, wherein: the filter material channel device comprises a plurality of layers of distributing plates arranged at intervals from top to bottom and a plurality of layers of limiting plates arranged at intervals from top to bottom, the lower ends of the distributing plates and the lower ends of the limiting plates are arranged in a one-to-one crossed mode and are spaced from each other, the lower end of the upper end of each distributing plate faces the right and is in lap joint with the corresponding partition plate, the lower end of the upper end of each limiting plate faces the left, and the lower plates of all the limiting plates and the distributing plates are used for receiving filter.
3. A vertical moving bed of particles according to claim 2, wherein: the cloth plate on be provided with the filter material clearing hole, the filter material on the adjacent cloth plate staggers through the hole, the lower extreme of cloth plate be provided with the filter material overflow weir, the air vent be vertical slot hole for length direction, the size of air vent is suitable for single filter material to pass through and more than two filter materials can not pass through simultaneously.
4. A vertical moving bed of particles according to claim 3, wherein: the shell in be located the pre-treatment chamber and perpendicular granule and remove the room top and be provided with the surge chamber, the surge chamber is isolated with the pre-treatment chamber, perpendicular granule removes the roof portion and communicates with each other with the surge chamber, the filter material import set up at the top of surge chamber and not just to the position of perpendicular granule removal room.
5. A vertical moving bed of particles according to any one of claims 1-4, wherein: the middle part of the front side wall and the back side wall in the vertical particle moving chamber is provided with a vertical short flow plate, the left parts of the pretreatment chamber and the vertical particle moving chamber are converged into a first filter material outlet through a funnel, the right parts of the vertical particle moving chamber are converged into a second filter material outlet through the funnel, the first filter material outlet is provided with a first discharging mechanism capable of controlling the discharging speed, and the second filter material outlet is provided with a second discharging mechanism capable of controlling the discharging speed.
6. A vertical moving bed of particles according to claim 5, wherein: the first discharging mechanism and the second discharging mechanism adopt rotary valves or auger conveyors.
7. The utility model provides a dusty high temperature oil gas dust pelletizing system which characterized in that: the vertical particle moving bed adopts the vertical particle moving bed as in any one of claims 1 to 4, a filter material outlet of the vertical particle moving bed is connected with a filter material inlet of the particle filter material dust removal device, and the conveyor is connected with the filter material outlet of the particle filter material dust removal device and the filter material inlet of the vertical particle moving bed.
8. The utility model provides a dusty high temperature oil gas dust pelletizing system which characterized in that: the vertical particle moving bed adopts the vertical particle moving bed as claimed in claim 5, the filter material outlets of the first discharging mechanism and the second discharging mechanism are connected with the filter material inlet of the particle filter material dust removing device, and the conveyor is connected with the filter material outlet of the particle filter material dust removing device and the filter material inlet of the vertical particle moving bed.
9. The dusty high temperature oil gas dust pelletizing system of claim 8, characterized in that: the granular filter material dust removal device comprises a primary granular filter material dust removal device and a secondary granular filter material dust removal device, wherein a filter material outlet of the primary granular filter material dust removal device is connected with a filter material inlet of the secondary granular filter material dust removal device, a filter material outlet of the vertical granular moving bed is connected with a filter material inlet of the primary granular filter material dust removal device, and a filter material outlet of the secondary granular filter material dust removal device is connected with the conveyor.
10. The dusty high-temperature oil gas dust removal system of claim 9, wherein: the conveyer adopts a bucket elevator, a hot air chamber is arranged on the outer side of the bucket elevator, a heat insulation layer is arranged on the outer side of the hot air chamber of the bucket elevator, and a hot air chamber is arranged on the outer side of the vertical particle moving bed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921228883.6U CN210522072U (en) | 2019-07-31 | 2019-07-31 | Vertical particle moving bed and dust-containing high-temperature oil gas dust removal system |
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| CN201921228883.6U CN210522072U (en) | 2019-07-31 | 2019-07-31 | Vertical particle moving bed and dust-containing high-temperature oil gas dust removal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252054A (en) * | 2019-07-31 | 2019-09-20 | 大连科力一诺环保科技有限公司 | A kind of vertical grain moving bed, dust-laden high-temperature oil gas dust pelletizing system and method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252054A (en) * | 2019-07-31 | 2019-09-20 | 大连科力一诺环保科技有限公司 | A kind of vertical grain moving bed, dust-laden high-temperature oil gas dust pelletizing system and method |
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