CN109825316B - Biomass energy pyrolysis device, active axial flow sedimentation dust removal tower and dust removal method thereof - Google Patents
Biomass energy pyrolysis device, active axial flow sedimentation dust removal tower and dust removal method thereof Download PDFInfo
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- CN109825316B CN109825316B CN201910227075.6A CN201910227075A CN109825316B CN 109825316 B CN109825316 B CN 109825316B CN 201910227075 A CN201910227075 A CN 201910227075A CN 109825316 B CN109825316 B CN 109825316B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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Abstract
The invention relates to a biomass energy pyrolysis device, an active axial flow type sedimentation dust removal tower and a dust removal method. The power rotating shaft of the driving mechanism is connected with the fan blades, and the driving mechanism drives the fan blades to rotate to generate wind direction towards the bottom of the tower body. According to the active axial-flow sedimentation dust removal tower, the non-condensable gas is introduced into the tower body through the gas inlet, and the volume is instantaneously expanded when the non-condensable gas enters the tower body, so that the flow speed is greatly reduced, and part of large-particle carbon powder mixed in the non-condensable gas falls back to the bottom of the tower body due to self weight; in addition, the fan blades are synchronously driven to rotate through the driving mechanism, centrifugal acting force towards the bottom of the tower body is generated when the fan blades rotate, small granular carbon powder cannot pass through the air curtain barrier and is centrifugally thrown to the side wall of the tower body when striking the fan blades, and then wind generated by rotation of the fan blades falls to the bottom of the tower body and can be timely conveyed into the carbon bin by the conveying device at the bottom of the tower body.
Description
Technical Field
The invention relates to the technical field of dust removal, in particular to a biomass energy pyrolysis device, an active axial flow sedimentation dust removal tower and a dust removal method thereof.
Background
Biochar (Biochar) is a solid product obtained by high-temperature thermal cracking of organic matters in an incomplete combustion or anoxic environment. And (3) in the high-temperature thermal cracking process of the organic matters in the reaction kettle, obtaining biochar carbon powder and non-condensable gas. Wherein the carbon powder and the non-condensable gas are respectively collected by different devices. Because the non-condensable gas is mixed with the carbon powder, the non-condensable gas mixed with the carbon powder is generally required to be firstly introduced into a cyclone dust collector, a pulse bag dust collector, a water film dust collector or an ion electric field dust collector for dust removal treatment, and finally separated to obtain the non-condensable gas, and the non-condensable gas is collected. However, the carbon powder removed by the dust remover is not convenient to collect and process, and the carbon powder mixed in the non-condensable gas is wasted.
Disclosure of Invention
Based on this, it is necessary to overcome the defects of the prior art, and to provide a biomass energy pyrolysis device, an active axial flow sedimentation dust removal tower and a dust removal method thereof, which can facilitate removal and collection of carbon powder mixed in non-condensable gas.
The technical scheme is as follows: an active axial flow sedimentation dust removal tower comprising: the tower comprises a tower body and fan blades, wherein an air inlet is formed in the bottom of the tower body, an air outlet is formed in the top of the tower body, and the fan blades are rotatably arranged in the tower body and are positioned in the middle of the tower body;
The power rotating shaft of the driving mechanism is connected with the fan blades, and the driving mechanism drives the fan blades to rotate to generate wind direction which faces the bottom of the tower body.
According to the active axial-flow sedimentation dust removal tower, the non-condensable gas is introduced into the tower body through the gas inlet, and when the non-condensable gas enters the tower body, the volume is instantaneously expanded, so that the flow speed is greatly reduced, and part of large-particle carbon powder mixed in the non-condensable gas falls back to the bottom of the tower body due to self weight and can be timely conveyed into a carbon bin by the conveying device at the bottom of the tower body; in addition, when the non-condensable gas is introduced into the tower body through the air inlet, the fan blades are synchronously driven to rotate through the driving mechanism, centrifugal acting force towards the bottom of the tower body is generated when the fan blades rotate, an air curtain barrier is formed in the middle of the tower body, small-particle carbon powder cannot pass through the air curtain barrier and is centrifugally thrown to the side wall of the tower body when striking the fan blades, then wind generated by rotation of the fan blades falls to the bottom of the tower body, and can be timely conveyed to the carbon bin by the conveying device at the bottom of the tower body, on the other hand, the flow velocity of the non-condensable gas can be reduced when the fan blades rotate, so that the carbon powder can fall back to the bottom of the tower body under the action of self gravity.
In one embodiment, the distance between the fan blade and the air inlet is 60 cm-100 cm; the distance between the fan blade and the air outlet is 60 cm-100 cm.
In one embodiment, the rotating speed of the fan blade is controlled to be 2 r/s-20 r/s; the outer edge of the fan blade is in clearance or contact fit with the inner side wall of the tower body, and the axial surface of the tower body is a circular surface.
In one embodiment, the driving mechanism is a motor, the motor is mounted at the top of the tower body, and the power rotating shaft penetrates through the top wall of the tower body and stretches into the tower body.
In one embodiment, a bearing is arranged in the tower body, the bearing is connected with the inner side wall of the tower body through a connecting rod, and the end part of the power rotating shaft is rotatably arranged on the bearing.
In one embodiment, the tower body comprises a first sub tower body and a second sub tower body which are detachably connected, and the first sub tower body is arranged above the second sub tower body; the fan blades are located in the first sub-tower body.
A biomass energy pyrolysis device comprises the active axial flow sedimentation dust removal tower.
The biomass energy pyrolysis device has the technical effects that the active axial flow type sedimentation dust removal tower is adopted, and the beneficial effects of the active axial flow type sedimentation dust removal tower are the same as those of the active axial flow type sedimentation dust removal tower, and redundant description is omitted.
In one embodiment, the biomass pyrolysis device further comprises a reaction kettle, a conveying component and a carbon bin; the conveying assembly is provided with a feeding port, an exhaust port and a discharging port, the discharging port of the reaction kettle is connected with the feeding port of the conveying assembly, the discharging port is communicated with the feeding port of the carbon bin, and the exhaust port is communicated with the air inlet of the tower body.
In one embodiment, the conveying assembly comprises a conveying pipe and a screw shaft, wherein the screw shaft is rotatably arranged in the conveying pipe; the feeding port, the exhaust port and the discharge port are all arranged on the conveying pipe, and the screw shaft is used for pushing carbon powder at the feeding port and the exhaust port to the discharge port when rotating; the feed inlet is positioned between the discharge opening and the exhaust opening.
The dust removing method of the active axial flow sedimentation dust removing tower comprises the following steps: introducing non-condensable gas mixed with carbon powder into the tower body through an air inlet of the tower body, and simultaneously driving the fan blades to rotate through the driving mechanism, wherein the wind direction faces to the bottom of the tower body when the fan blades rotate.
The technical effects of the dust removing method of the active axial flow type sedimentation dust removing tower are brought by the active axial flow type sedimentation dust removing tower, and the beneficial effects of the active axial flow type sedimentation dust removing tower are the same as those of the active axial flow type sedimentation dust removing tower, and are not repeated herein.
Drawings
FIG. 1 is a schematic diagram of an active axial flow sedimentation dust-removing tower according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an active axial flow sedimentation dust-removing tower according to an embodiment of the present invention;
FIG. 3 is an exploded view of one view of an active axial flow sedimentation dust tower according to an embodiment of the present invention;
FIG. 4 is an exploded view of an active axial flow sedimentation dust tower according to another embodiment of the present invention;
FIG. 5 is a schematic diagram of a biomass pyrolysis apparatus according to an embodiment of the present invention;
Fig. 6 is a schematic structural diagram of a biomass pyrolysis apparatus according to another embodiment of the present invention.
Reference numerals:
10. The active axial flow sedimentation dust removal tower comprises 11, a tower body, 111, an air inlet, 112, an air outlet, 113, an interface, 114, a first sub tower body, 115, a second sub tower body, 116, a third flange plate, 12, fan blades, 13, a driving mechanism, 131, a power rotating shaft, 14, a bearing, 15, a connecting rod, 20, a reaction kettle, 21, a discharge hole, 30, a conveying component, 31, a conveying pipe, 311, a feed inlet, 312, an air outlet, 313, a discharge hole, 32, a screw shaft, 40, a carbon bin, 41, a feed inlet, 42 and a switching valve.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present invention, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
In one embodiment, referring to fig. 1 and 2, an active axial flow sedimentation dust tower 10 comprises: tower 11, flabellum 12 and actuating mechanism 13. The bottom of the tower body 11 is provided with an air inlet 111, and the top of the tower body 11 is provided with an air outlet 112. The fan blades 12 are rotatably arranged in the tower body 11 and positioned in the middle of the tower body 11. The power rotating shaft 131 of the driving mechanism 13 is connected with the fan blades 12, and the driving mechanism 13 drives the fan blades 12 to rotate to generate wind direction towards the bottom of the tower 11.
In the active axial-flow sedimentation dust-removing tower 10, the non-condensable gas is introduced into the tower body 11 through the air inlet 111, and when the non-condensable gas enters the tower body 11, the volume is instantaneously expanded so as to greatly reduce the flow rate, and part of large-particle carbon powder mixed in the non-condensable gas falls back to the bottom of the tower body 11 due to self weight and can be timely conveyed into the carbon bin 40 by the conveying device at the bottom of the tower body 11; in addition, when the non-condensable gas is introduced into the tower body 11 through the air inlet 111, the fan blades 12 are synchronously driven to rotate through the driving mechanism 13, centrifugal acting force towards the bottom of the tower body 11 is generated when the fan blades 12 rotate, which is equivalent to forming a curtain barrier in the middle part of the tower body 11, small particle carbon powder cannot pass through the curtain barrier and is centrifugally thrown to the side wall of the tower body 11 when striking the fan blades 12, and then falls to the bottom of the tower body 11 along with the wind direction generated by the rotation of the fan blades 12, and can be timely conveyed into the carbon bin 40 by the conveying device at the bottom of the tower body 11; on the other hand, the fan blades 12 can reduce the flow rate of non-condensable gas when rotating, thereby being beneficial to the carbon powder falling back to the bottom of the tower 11 under the action of self gravity.
Generally, when the distance between the fan blade 12 and the air inlet 111 and the air outlet 112 is larger, the vertical drop is larger, and the settling effect of the carbon powder in the tower 11 is better.
Specifically, the fan blade 12 is rotatably disposed in the tower 11 and located at a half height position, a third height position, or a two-thirds height position of the tower 11. .
In one embodiment, the distance between the fan blade 12 and the air inlet 111 is 60cm to 100cm; the distance between the fan blade 12 and the air outlet 112 is 60 cm-100 cm. Thus, the settling effect of the non-condensable gas in the tower body 11 is good, and the equipment volume and the manufacturing cost are increased without continuously increasing the height of the tower body 11.
Generally, the rate of obtaining non-condensable gas by high temperature pyrolysis in the reaction vessel 20 is 0.2 cubic meters per minute to 0.5 cubic meters per minute. I.e. the rate of non-condensable gas entering the column 11 is between 0.2 cubic meters per minute and 0.5 cubic meters per minute.
In one embodiment, the rotational speed of the fan blades 12 is controlled to be 2r/s to 20r/s. The outer edge of the fan blade 12 is in clearance or contact fit with the inner side wall of the tower body 11, and the axial surface of the tower body 11 is a circular surface. Therefore, the fan blade 12 can play a good role in blocking carbon powder, the dust removal effect is good, and on the other hand, the rotating speed of the fan blade 12 is not too high to influence the outward discharge of non-condensable gas passing through. Specifically, the rotational speed of the fan blade 12 is controlled to be 5r/s to 8r/s. At this time, when the influence on the outward discharge rate of the non-condensable gas is not great, the carbon powder is well blocked, and the dust removal effect is good.
Wherein, the caliber of the inner side wall of the tower body 11 is specifically 15 cm-25 cm.
In addition, the power rotating shaft 131 of the driving mechanism 13 can be provided with three fan blades 12, four fan blades 12, five fan blades 12, six fan blades 12 or eight fan blades 12 at intervals, namely, when the power rotating shaft 131 rotates, the power rotating shaft 131 drives the plurality of fan blades 12 to synchronously rotate, so that a better blocking effect is achieved on carbon powder.
In one embodiment, the driving mechanism 13 is a motor, and the motor is mounted on the top of the tower 11. The power rotating shaft 131 penetrates through the top wall of the tower body 11 and stretches into the tower body 11. Specifically, the top wall of the tower body 11 is provided with an interface 113 through which the power rotating shaft 131 passes, a first flange is arranged at the interface 113, and the motor is provided with a second flange which is connected with the first flange in a matching manner.
Further, referring to fig. 3 and 4, a bearing 14 is disposed in the tower 11. The bearing 14 is connected with the inner side wall of the tower 11 through a connecting rod 15, and the end part of the power rotating shaft 131 is rotatably arranged on the bearing 14. In this way, the power rotating shaft 131 can be more stably arranged in the tower 11 through the support of the bearing 14 to the power rotating shaft 131. Specifically, in order to increase the stability of the bearing 14, the bearing 14 is connected to the inner side wall of the tower 11 by, for example, three links 15 arranged at intervals.
In one embodiment, referring to fig. 3 and 4, the tower 11 includes a first sub-tower 114 and a second sub-tower 115 that are detachably connected. The first sub-tower 114 is disposed above the second sub-tower 115. The fan blade 12 is located in the first tower 114. Thus, when the inner side wall of the tower body 11 needs to be cleaned, the first sub-tower body 114 and the second sub-tower body 115 can be disassembled, and then the inner side walls of the first sub-tower body 114 and the second sub-tower body 115 are cleaned relatively, so that the cleaning operation of the inner side walls of the first sub-tower body 114 and the second sub-tower body 115 is convenient and feasible. In addition, the carbon powder on the inner side wall of the second sub-tower 115 is more than that of the first tower 11, and the second sub-tower 115 is a main cleaning object, and the fan blades 12 are positioned in the first sub-tower 114, so that the cleaning operation on the second sub-tower 115 is facilitated. Specifically, the first branch tower 114 and the second branch tower 115 are both connected with the third flanges 116, and after the two third flanges 116 are connected, the connection between the first branch tower 114 and the second branch tower 115 can be realized.
In one embodiment, referring to fig. 5 and 6, a biomass pyrolysis apparatus includes the active axial flow sedimentation dust removal tower 10 according to any one of the embodiments.
The biomass energy pyrolysis device comprises the active axial flow type sedimentation dust removal tower 10, and the technical effect is brought by the active axial flow type sedimentation dust removal tower 10, and the biomass energy pyrolysis device has the same beneficial effect as the active axial flow type sedimentation dust removal tower 10 and is not repeated.
Further, the biomass pyrolysis device further comprises a reaction kettle 20, a conveying assembly 30 and a carbon bin 40. The conveying assembly 30 is provided with a feed inlet 311, an exhaust outlet 312 and a discharge outlet 313. The discharge port 21 of the reaction kettle 20 is connected with the feed port 311 of the conveying assembly 30, the discharge port 313 is communicated with the feed port 41 of the carbon bin 40, and the exhaust port 312 is communicated with the air inlet 111 of the tower 11. In this way, the carbon powder and the non-condensable gas obtained by pyrolysis are discharged into the conveying component 30 through the discharge port 21 of the reaction kettle 20, wherein the carbon powder is discharged into the carbon bin 40 through the discharge port 313 of the conveying component 30 under the conveying action of the conveying component 30, and the non-condensable gas can only be discharged into the tower 11 through the exhaust port 312 of the conveying component 30 because the carbon bin 40 is of a closed bin body structure.
Further, the conveying assembly 30 includes a conveying pipe 31 and a screw shaft 32. The screw shaft 32 is rotatably provided in the conveying pipe 31. The feeding hole 311, the exhaust hole 312 and the discharge hole 313 are all arranged on the conveying pipe 31, and the screw shaft 32 is used for pushing carbon powder at the feeding hole 311 and the exhaust hole 312 to the discharge hole 313 when rotating. In this way, after the carbon powder is discharged into the carbon bin 40 through the discharge opening 313 of the conveying assembly 30 under the conveying action of the conveying assembly 30, the carbon powder is pushed to the discharge opening 313 under the rotation action of the screw shaft 32 and enters the carbon bin 40. In addition, the carbon powder falling back to the bottom of the tower body 11 enters the conveying pipe 31 through the exhaust port 312 and is pushed to the discharge port 313 under the rotation action of the screw shaft 32, so that the recovery treatment of the carbon powder is facilitated, and the carbon bin 40 is not required to be additionally arranged.
Further, the inlet 311 is located between the discharge 313 and the exhaust 312. Since the feed inlet 311 is positioned between the discharge outlet 313 and the exhaust outlet 312, the carbon powder falling into the conveying pipe 31 from the reaction kettle 20 is directly pushed to the discharge outlet 313 by the screw shaft 32 and does not pass through the exhaust outlet 312, thereby being beneficial to the recovery treatment of the carbon powder.
Further, the two carbon bins 40 are provided with two on-off valves 42, the two carbon bins 40 are provided with two discharge openings 313 of the conveying pipe 31, and the two carbon bins 40 are provided with two discharge openings 313 one by one. The two carbon bins 40 can keep the inside of the reaction kettle 20 and the conveying pipe 31 isolated from the outside all the time by opening and closing the feed inlet 41 and the switch valve 42 at the discharge outlet. Specifically, when one of the bins 40 is filled with carbon powder, the on-off valve 42 at the feed port 41 of that bin 40 is closed, the on-off valve 42 at the discharge port of that bin 40 may be opened to perform the carbon powder discharge operation, while the on-off valve 42 at the feed port 41 of the other bin 40 is opened and the on-off valve 42 at the discharge port of the other bin 40 is closed.
In one embodiment, referring to fig. 1,2 and 6, a dust removal method using the active axial flow sedimentation dust removal tower 10 according to any one of the above embodiments includes the following steps: the non-condensable gas mixed with the carbon powder is introduced into the tower body 11 through the air inlet 111 of the tower body 11, meanwhile, the driving mechanism 13 drives the fan blades 12 to rotate, and the wind direction faces the bottom of the tower body 11 when the fan blades 12 rotate.
The technical effects of the dust removal method of the active axial flow type sedimentation dust removal tower 10 are brought by the active axial flow type sedimentation dust removal tower 10, and the beneficial effects of the active axial flow type sedimentation dust removal tower 10 are the same as those of the active axial flow type sedimentation dust removal tower 10, and are not repeated herein.
Further, in the dust removing method of the active axial flow sedimentation dust removing tower 10, the rotation speed of the fan blades 12 is adjusted correspondingly according to the flow rate of the non-condensable gas entering the tower body 11. When the flow rate of the non-condensable gas entering the tower body 11 becomes large, controlling to increase the rotating speed of the fan blades 12; when the flow rate of the non-condensable gas entering the tower 11 becomes smaller, the control decreases the rotation speed of the fan blades 12. Therefore, the fan blade 12 can play a good role in blocking carbon powder, the dust removal effect is good, and on the other hand, the rotating speed of the fan blade 12 is not too high to influence the outward discharge of non-condensable gas passing through.
In one embodiment, the rotational speed of the fan blades 12 is controlled to be 2r/s to 20r/s. The outer edge of the fan blade 12 is in clearance or contact fit with the inner side wall of the tower body 11, and the axial surface of the tower body 11 is a circular surface. Therefore, the fan blade 12 can play a good role in blocking carbon powder, the dust removal effect is good, and on the other hand, the rotating speed of the fan blade 12 is not too high to influence the outward discharge of non-condensable gas passing through. Specifically, the rotational speed of the fan blade 12 is controlled to be 5r/s to 8r/s. At this time, when the influence on the outward discharge rate of the non-condensable gas is not great, the carbon powder is well blocked, and the dust removal effect is good.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An active axial flow sedimentation dust removal tower, comprising:
The tower comprises a tower body and fan blades, wherein an air inlet is formed in the bottom of the tower body, an air outlet is formed in the top of the tower body, and the fan blades are rotatably arranged in the tower body and are positioned in the middle of the tower body;
The power rotating shaft of the driving mechanism is connected with the fan blades, and the driving mechanism drives the fan blades to rotate to generate wind direction which faces the bottom of the tower body.
2. The active axial flow sedimentation dust removal tower of claim 1, wherein a distance between the fan blade and the air inlet is 60 cm-100 cm; the distance between the fan blade and the air outlet is 60 cm-100 cm.
3. The active axial flow sedimentation dust-removing tower according to claim 1, wherein the rotating speed of the fan blades is controlled to be 2 r/s-20 r/s; the outer edge of the fan blade is in clearance or contact fit with the inner side wall of the tower body, and the axial surface of the tower body is a circular surface.
4. The active axial flow sedimentation dust removal tower of claim 1, wherein the driving mechanism is a motor, the motor is arranged at the top of the tower body, and the power rotating shaft penetrates through the top wall of the tower body and stretches into the tower body.
5. The active axial flow sedimentation dust removal tower of claim 4, wherein a bearing is arranged in the tower body, the bearing is connected with the inner side wall of the tower body through a connecting rod, and the end part of the power rotating shaft is rotatably arranged on the bearing.
6. The active axial flow sedimentation dust removal tower according to claim 1, wherein the tower body comprises a first sub tower body and a second sub tower body which are detachably connected, and the first sub tower body is arranged above the second sub tower body; the fan blades are located in the first sub-tower body.
7. A biomass pyrolysis device, characterized by comprising the active axial flow sedimentation dust removal tower according to any one of claims 1 to 6.
8. The biomass energy pyrolysis apparatus according to claim 7 further comprising a reaction vessel, a transport assembly and a char bin; the conveying assembly is provided with a feeding port, an exhaust port and a discharging port, the discharging port of the reaction kettle is connected with the feeding port of the conveying assembly, the discharging port is communicated with the feeding port of the carbon bin, and the exhaust port is communicated with the air inlet of the tower body.
9. The biomass energy pyrolysis apparatus according to claim 8 wherein the transport assembly comprises a transport tube and a screw shaft rotatably disposed within the transport tube; the feeding port, the exhaust port and the discharge port are all arranged on the conveying pipe, and the screw shaft is used for pushing carbon powder at the feeding port and the exhaust port to the discharge port when rotating; the feed inlet is positioned between the discharge opening and the exhaust opening.
10. A dust removal method using the active axial flow sedimentation dust removal tower as defined in any one of claims 1 to 6, comprising the steps of: introducing non-condensable gas mixed with carbon powder into the tower body through an air inlet of the tower body, and simultaneously driving the fan blades to rotate through the driving mechanism, wherein the wind direction faces to the bottom of the tower body when the fan blades rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910227075.6A CN109825316B (en) | 2019-03-25 | 2019-03-25 | Biomass energy pyrolysis device, active axial flow sedimentation dust removal tower and dust removal method thereof |
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| CN201910227075.6A CN109825316B (en) | 2019-03-25 | 2019-03-25 | Biomass energy pyrolysis device, active axial flow sedimentation dust removal tower and dust removal method thereof |
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| CN109825316B true CN109825316B (en) | 2024-05-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688628A (en) * | 2012-05-31 | 2012-09-26 | 郭丰亮 | Gravitational dust collector |
| CN105457420A (en) * | 2014-08-21 | 2016-04-06 | 扬州荣康空气净化设备有限公司 | Drum-shaped gas purifier |
| CN205925207U (en) * | 2016-08-22 | 2017-02-08 | 新乡市双诚环保设备有限公司 | Change speed vertical maze and subside dust remover |
| CN207734742U (en) * | 2017-12-28 | 2018-08-17 | 信阳市上天梯怡和矿产资源开发有限公司 | Combined box-type lightweight dust collecting |
| CN209702661U (en) * | 2019-03-25 | 2019-11-29 | 广东洁冠能源科技有限公司 | Biomass energy pyrolysis installation and active axial-flow type settle gas wash tower |
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2019
- 2019-03-25 CN CN201910227075.6A patent/CN109825316B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688628A (en) * | 2012-05-31 | 2012-09-26 | 郭丰亮 | Gravitational dust collector |
| CN105457420A (en) * | 2014-08-21 | 2016-04-06 | 扬州荣康空气净化设备有限公司 | Drum-shaped gas purifier |
| CN205925207U (en) * | 2016-08-22 | 2017-02-08 | 新乡市双诚环保设备有限公司 | Change speed vertical maze and subside dust remover |
| CN207734742U (en) * | 2017-12-28 | 2018-08-17 | 信阳市上天梯怡和矿产资源开发有限公司 | Combined box-type lightweight dust collecting |
| CN209702661U (en) * | 2019-03-25 | 2019-11-29 | 广东洁冠能源科技有限公司 | Biomass energy pyrolysis installation and active axial-flow type settle gas wash tower |
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