CN211412631U - Foreign matter filtering device for pneumatic conveying of thermal cracking carbon black - Google Patents
Foreign matter filtering device for pneumatic conveying of thermal cracking carbon black Download PDFInfo
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- CN211412631U CN211412631U CN201921461133.3U CN201921461133U CN211412631U CN 211412631 U CN211412631 U CN 211412631U CN 201921461133 U CN201921461133 U CN 201921461133U CN 211412631 U CN211412631 U CN 211412631U
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Abstract
The utility model discloses a foreign matter filter equipment and method for thermal cracking carbon black air conveying, including the lower horizontal pipeline that connects gradually, lower elbow pipeline, vertical pipeline, go up elbow pipeline and last horizontal pipeline and install lower elbow pipeline with trip valve and rotatory filter screen device on the vertical pipeline between the elbow pipeline, the device utilizes the filter screen to block the foreign matter, retrieves the foreign matter storage box through corresponding structure under the action of gravity under the situation that stops the material transport in to through the alternative work of two sets of the same filter assembly, realize filter equipment continuous operation. The device has the advantages of reliable operation, no need of manually cleaning the filter screen and high automation degree.
Description
Technical Field
The patent of the utility model particularly relates to a foreign matter filter equipment for thermal cracking carbon black air conveying belongs to powder material air conveying technical field.
Background
The pyrolysis treatment of the waste tires is the most thorough and effective treatment method for solving the problem of environmental damage caused by waste tire solids, and the principle is that on the premise of isolating oxygen, rubber polymers in the waste tires are subjected to pyrolysis reaction by high-temperature heating to be converted into high-temperature oil gas, pyrolysis carbon black and steel wires. The cracked carbon black can be applied to tires and other types of rubber products again after being treated by the processes of grinding, granulating and the like, so that the cyclic utilization of the cracked carbon black is realized, and the existing cracked carbon black is mainly conveyed in a closed pneumatic conveying mode, so that the pollution of the carbon black to the environment can be effectively avoided.
Compared with the traditional commercial carbon black, the cracking carbon black inevitably contains impurity foreign matters, and although the magnetic impurity foreign matters can be separated out in a magnetic separation mode, other types of impurity foreign matters still exist in the cracking carbon black, such as copper inflating nozzles in tires, stainless steel nails inserted into the tires during the working process of the tires and the like, and the foreign matters existing in the cracking carbon black can permanently damage subsequent grinding and granulating equipment. However, the existing cracked carbon black gas conveying system lacks a corresponding foreign matter separation device, such as an intelligent and continuous granulating device (CN 209098546U) for cracked carbon black of waste tires and a pneumatic conveying device and a pneumatic conveying method (CN 105059941A). Therefore, the pneumatic conveying systems have the risk of greatly damaging subsequent grinding and granulating equipment in the operation process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a weak point to prior art, provide a foreign matter filter equipment for thermal cracking carbon black air conveying, the device utilizes the filter screen to block the foreign matter, retrieves the debris storage box through corresponding structure under the action of gravity under the situation that stops the material transport in to through two sets of the same filtering component's alternative work, realize filter equipment continuous operation. The device has the advantages of reliable operation, no need of manually cleaning the filter screen and high automation degree.
For solving the technical problem, the utility model discloses a technical scheme be:
the utility model provides a foreign matter filter equipment for thermal cracking carbon black air conveying, includes lower horizontal pipe 1, first elbow pipeline 2, first vertical pipeline 3, first last elbow pipeline 4 and last horizontal pipeline 5 that connect gradually and installs first elbow pipeline 2 with first cut valve 6 and first rotatory filter screen device 7 on the first vertical pipeline 3 between the first last elbow pipeline 4, further first cut valve 6 is located the top of first rotatory filter screen device 7, the tangent connection of first vertical pipeline 3 the one end of first elbow pipeline 2, further first vertical pipeline 3 stretches out partly downwards.
The lower end of the first vertical pipeline 3 is further connected with a closed first sundries storage box 8.
The first storage box 8 further includes a first sealing-removing cover 81 for removing the filtered foreign matters at regular time.
The first rotary screen device 7 further comprises a circular screen 71, a rotary support shaft 72, a cross-shaped tubular housing 73, a connecting flange 74, a dynamic seal ring 75, a support bearing 76, a bearing seat 77 and a driving stepping motor 78.
The cross-shaped pipe housing 73 includes two pipes having different diameters perpendicular to each other, flanges connected to the first vertical pipe 3 are provided at upper and lower ends of the vertical pipe, and flanges connected to the bearing housing 77 are provided at left and right ends of the horizontal pipe.
The bearing housing 77, and further between the bearing housing and the cross-shaped tubular housing 73, has a dynamic seal ring 75, and further has a support bearing 76 mounted therein.
The support bearings 76, further, are installed at both ends of the rotation support shaft 72.
The rotating support shaft 72 is further sleeved with the circular filter screen 71 at an inner position of the cross-shaped tubular shell 73, and one end of the rotating support shaft is connected with the driving stepping motor 78 through a coupler.
The further mesh size of the circular screen 71 is between 1mm and 5 mm.
The filtering device for the pneumatic conveying of the thermal cracking carbon black further comprises a first differential pressure sensor 9 connected to the first vertical pipelines 3 on two sides of the first rotary filter screen device 7 through pipelines.
The filtering device for the pneumatic conveying of the thermal cracking carbon black is characterized in that a second lower elbow pipeline 10, a second vertical pipeline 11, a second upper elbow pipeline 12, a second stop valve 13, a second rotary filter screen device 14, a second sundry storage box 15 and a second differential pressure sensor 16 which are respectively identical to the first lower elbow pipeline 2, the first vertical pipeline 3, the first upper elbow pipeline 4, the first cut-off valve 6, the first rotary filter screen device 7, the first sundry storage box 8 and the first differential pressure sensor 9 are connected in parallel between the lower horizontal pipeline 1 and the upper horizontal pipeline 5.
The filtering device for the pneumatic conveying of the thermal cracking carbon black further comprises a controller 17.
The further input of controller 17 connect at differential pressure sensor 9,16 signal end, the output is connected at trip valve 6,13 with rotary screen device 7, 14's control end is last, further the controller basis differential pressure sensor 9,16 signal control trip valve 6,13 with rotary screen device 7,14 carry out corresponding operation.
A foreign matter filtering method for pneumatic conveying of thermal cracking carbon black utilizes a filter screen to block foreign matters, recovers the foreign matters into a foreign matter storage box under the action of gravity through a corresponding structure under the condition of stopping material conveying, and realizes continuous work of a filtering device through alternate work of two groups of same filtering components, and specifically comprises the following steps:
step one, starting: the controller 17 controls the first cut-off valve 6 to be in a conducting state and the second cut-off valve 13 to be in a closing state, and carbon black enters from the lower horizontal pipeline 1, sequentially passes through the first lower elbow pipeline 2, the first vertical pipeline 3 and the first upper elbow pipeline 4 and then is output through the upper horizontal pipeline 5;
step two, switching from the first group to the second group: the starting state is kept until foreign matters stay on a circular filter screen 71 of a first rotary filter screen device 7 to enable the pressure difference detected by a first pressure difference sensor 9 to exceed a set value, a controller 17 sequentially controls a second cut-off valve 13 to be in an open state and a first cut-off valve 6 to be in a closed state, so that carbon black enters from a lower horizontal pipeline 1, sequentially passes through a second lower elbow pipeline 10, a second vertical pipeline 11 and a second upper elbow pipeline 12 and then is output through an upper horizontal pipeline 5, and as the first cut-off valve 6 is in the closed state, the foreign matters blocked by the circular filter screen 71 of the first rotary filter screen device 7 freely fall under the action of gravity and enter a first sundry storage box (8) through a first vertical pipeline 3;
step three, reversing the first rotary filter screen: the controller 17 controls the circular filter screen 71 of the first rotary filter screen device 7 to rotate 180 degrees, and self-cleaning of the filter screen is realized by utilizing the airflow conveyed by carbon black air force under the condition that the first cut-off valve 6 is in a conducting state;
step four, switching from the second group to the first group: until the foreign matters stay on the circular filter screen 71 of the second rotary filter screen device 14 to enable the pressure difference detected by the second pressure difference sensor 16 to exceed a set value, the controller 17 controls the first cut-off valve 6 to be in an open state and the second cut-off valve 13 to be in a closed state in sequence, so that the carbon black enters from the lower horizontal pipeline 1, passes through the first lower elbow pipeline 2, the first vertical pipeline 3 and the first upper elbow pipeline 4 in sequence and then is output through the upper horizontal pipeline 5,
step five, reversely rotating the second rotary filter screen: subsequently, the controller 17 controls the circular screen 71 of the second rotary screen device 14 to rotate 180 °, and self-cleaning of the screen is achieved by means of the air flow conveyed by the carbon black air when the second shut-off valve 13 is in the on-state.
And repeating the second step to the fifth step to realize the continuous filtration of foreign matters pneumatically conveyed by the thermal cracking carbon black.
Further periodic shutdown cleans the first and second debris storage bins 8, 15 of foreign matter by sealing the access cover 81.
The utility model has the advantages that:
the utility model discloses solved effectively and had the foreign matter to follow-up harm of grinding, granulation equipment in the thermal cracking carbon black pneumatic conveying system transportation process, and adopted two sets of the same filtering component's alternative work, realized filter equipment continuous operation, improved work efficiency. The device utilizes the filter screen of rotation type to need not artifical clearance filter screen, consequently has the advantage that degree of automation is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic view of a filter apparatus for pneumatic conveying of thermal cracking carbon black according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a rotary screen device according to an embodiment of the present invention;
fig. 3 is a schematic view of the working principle of foreign matter separation according to the embodiment of the present invention;
fig. 4 is a schematic view of a self-cleaning working principle of the rotary screen device according to the embodiment of the present invention.
In the above figures: the device comprises a lower horizontal pipeline 1, a first lower elbow pipeline 2, a first vertical pipeline 3, a first upper elbow pipeline 4, an upper horizontal pipeline 5, a first cut-off valve 6, a first rotary filter screen device 7, a circular filter screen 71, a rotary support shaft 72, a cross-shaped tubular shell 73, a connecting flange 74, a dynamic seal ring 75, a support bearing 76, a bearing seat 77, a driving stepping motor 78, a first sundry storage box 8, a first sealed taking-out cover 81, a first differential pressure sensor 9, a second lower elbow pipeline 10, a second vertical pipeline 11, a second upper elbow pipeline 12, a second cut-off valve 13, a second rotary filter screen device 14, a second sundry storage box 15, a second differential pressure sensor 16 and a controller 17.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Detailed Description
Example (b): as shown in fig. 1, a foreign matter filtering device for pneumatic conveying of thermal cracking carbon black comprises a lower horizontal pipeline 1, a first lower elbow pipeline 2, a first vertical pipeline 3, a first upper elbow pipeline 4, an upper horizontal pipeline 5, a first cut-off valve 6 and a first rotary filter screen device 7, wherein the first cut-off valve 6 and the first rotary filter screen device 7 are installed on the first lower elbow pipeline 2 and the first vertical pipeline 3 between the first upper elbow pipeline 4, the first cut-off valve 6 is located above the first rotary filter screen device 7, the first vertical pipeline 3 is tangentially connected to one end of the first lower elbow pipeline 2, and the first vertical pipeline 3 extends downwards to form a part.
The lower end of the first vertical pipeline 3 is connected with a seal, the function of the first vertical pipeline is used for temporarily storing the separated foreign matters, and a first seal taking-out cover 81 used for taking away the foreign matters at regular time is arranged on the first foreign matter storage box 8 in order to ensure the sealing performance and take out the filtered foreign matters regularly.
A filter equipment for thermal cracking carbon black pneumatic conveying, further include through the pipe connection first rotary filter screen device 7 about the both sides position first vertical pipeline on 3 first differential pressure sensor 9 will cause after the filter screen blocks the foreign matter the pressure differential increase of both sides about first rotary filter screen device 7 can judge the condition that the filter screen blockked the foreign matter according to the size of pressure differential, need be in certain within range with the pressure differential restriction, just can avoid causing the influence to thermal cracking carbon black pneumatic conveying.
The filtering device for the pneumatic conveying of the thermal cracking carbon black is characterized in that a second lower elbow pipeline 10, a second vertical pipeline 11, a second upper elbow pipeline 12, a second stop valve 13, a second rotary filter screen device 14, a second sundry storage box 15 and a second differential pressure sensor 16 which are respectively identical to the first lower elbow pipeline 2, the first vertical pipeline 3, the first upper elbow pipeline 4, the first cut-off valve 6, the first rotary filter screen device 7, the first sundry storage box 8 and the first differential pressure sensor 9 are connected in parallel between the lower horizontal pipeline 1 and the upper horizontal pipeline 5.
The filtering device for the pneumatic conveying of the thermal cracking carbon black further comprises a controller 17 for controlling the actions of the relevant valves and the motor.
The controller 17 further has an input end connected to the signal end of the differential pressure sensor 9,16 and an output end connected to the control end of the shut-off valve 6,13 and the rotary screen device 7,14, and further has a program for controlling the action of the shut-off valve 6,13 and the rotary screen device 7,14 according to the signal of the differential pressure sensor 9, 16.
As shown in fig. 2, the first rotary screen device 7 further includes a circular screen 71, a rotary support shaft 72, a cross-shaped tubular housing 73, a connecting flange 74, a dynamic seal ring 75, a support bearing 76, a bearing housing 77, and a driving stepping motor 78.
The cross-shaped pipe housing 73 includes two pipes having different diameters perpendicular to each other, flanges connected to the first vertical pipe 3 are provided at upper and lower ends of the vertical pipe, and flanges connected to the bearing housing 77 are provided at left and right ends of the horizontal pipe.
The bearing housing 77, and further between the bearing housing and the cross-shaped tubular housing 73, has a dynamic seal ring 75, and further has a support bearing 76 mounted therein.
The support bearings 76, further mounted at both ends of the rotation support shaft 72,
the rotating support shaft 72 is further sleeved with the circular filter screen 71 at an inner position of the cross-shaped tubular shell 73, and one end of the rotating support shaft is connected with the driving stepping motor 78 through a coupler.
The mesh size of the circular filter screen 71 is 1mm-5mm, the selection of the mesh size needs to consider the influence on pneumatic transmission and the effectiveness of separating foreign matters, and when the aperture is too large, the influence of the filter screen on pneumatic transmission can be greatly reduced, but the foreign matters with smaller volume can pass through the filter screen; when the pore diameter is small, almost all foreign matters can be blocked, but the filter screen is easily blocked. The size of the mesh of the circular screen 71 needs to be selected appropriately.
Further, the gap between the circular filter screen 71 and the inner diameter of the cross-shaped tubular housing 73 is 1mm-3mm, so that smooth rotation of the circular filter screen 71 in the cross-shaped tubular housing 73 is ensured, and foreign matters caused by overlarge gaps are prevented from passing through.
A foreign matter filtering method for pneumatic conveying of thermal cracking carbon black utilizes a filter screen to block foreign matters, recovers the foreign matters into a foreign matter storage box under the action of gravity through a corresponding structure under the condition of stopping material conveying, and realizes continuous work of a filtering device through alternate work of two groups of same filtering components, and specifically comprises the following steps:
step one, starting: the controller 17 controls the first cut-off valve 6 to be in a conducting state and the second cut-off valve 13 to be in a closing state, and carbon black enters from the lower horizontal pipeline 1, sequentially passes through the first lower elbow pipeline 2, the first vertical pipeline 3 and the first upper elbow pipeline 4 and then is output through the upper horizontal pipeline 5;
step two, switching from the first group to the second group: the starting state is kept until foreign matters stay on the circular filter screen 71 of the first rotary filter screen device 7 to enable the pressure difference detected by the first pressure difference sensor 9 to exceed a set value, the controller 17 sequentially controls the second cut-off valve 13 to be in an open state and the first cut-off valve 6 to be in a closed state, so that carbon black enters from the lower horizontal pipeline 1, sequentially passes through the second lower elbow pipeline 10, the second vertical pipeline 11 and the second upper elbow pipeline 12 and then is output through the upper horizontal pipeline 5, as shown in fig. 3, the foreign matters blocked by the circular filter screen 71 of the first rotary filter screen device 7 freely fall under the action of gravity and enter the first foreign matter storage tank (8) through the first vertical pipeline 3 because the first cut-off valve 6 is in the closed state;
step three, reversing the first rotary filter screen: as shown in fig. 4, the controller 17 then controls the circular screen 71 of the first rotary screen device 7 to rotate 180 °, and self-cleaning of the screen is achieved by the air flow pneumatically conveyed by carbon black when the first shut-off valve 6 is in the on-state;
step four, switching from the second group to the first group: until the foreign matters stay on the circular filter screen 71 of the second rotary filter screen device 14 to enable the pressure difference detected by the second pressure difference sensor 16 to exceed a set value, the controller 17 controls the first cut-off valve 6 to be in an open state and the second cut-off valve 13 to be in a closed state in sequence, so that the carbon black enters from the lower horizontal pipeline 1, passes through the first lower elbow pipeline 2, the first vertical pipeline 3 and the first upper elbow pipeline 4 in sequence and then is output through the upper horizontal pipeline 5,
step five, reversely rotating the second rotary filter screen: subsequently, the circular screen 71 of the second rotary screen device 14 is rotated by 180 ° under the control of the controller 17, and the screen is cleaned by means of the pneumatic flow of carbon black when the second shut-off valve 13 is in the on-state.
And repeating the second step to the fifth step to realize the continuous filtration of foreign matters pneumatically conveyed by the thermal cracking carbon black.
Further periodic shutdown cleans the first and second debris storage bins 8, 15 of foreign matter by sealing the access cover 81.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a foreign matter filter equipment for thermal cracking carbon black air conveying, including lower horizontal pipeline (1), first elbow pipeline (2) down, first vertical pipeline (3), first last elbow pipeline (4) and last horizontal pipeline (5) that connect gradually and install first elbow pipeline (2) down with first cut valve (6) and first rotatory filter screen device (7) on first vertical pipeline (3) between first last elbow pipeline (4), its characterized in that first cut valve (6) are located the top of first rotatory filter screen device (7), the connection that first vertical pipeline (3) are tangent is in the one end of first elbow pipeline (2) down, further first vertical pipeline (3) are to stretching out partly down.
2. The foreign matter filtering device according to claim 1, wherein a first airtight sundry storage box (8) is connected to the lower end of the first vertical pipe (3); the foreign matter filtering device further comprises a controller (17); also comprises a first sealing taking-out cover (81) used for taking away the filtered foreign matters at regular time.
3. Foreign matter filtering device according to claim 1, characterized in that the first rotary screen device (7) comprises a circular screen (71), a rotary support shaft (72), a cross-tube housing (73), a connecting flange (74), a dynamic sealing ring (75), a support bearing (76), a bearing block (77) and a drive stepping motor (78).
4. A foreign matter filtering apparatus according to claim 3, wherein said cross-pipe type housing (73) comprises two pipes having different diameters perpendicular to each other, a vertical pipe having flanges at upper and lower ends thereof connected to said first vertical pipe (3), and a horizontal pipe having flanges at left and right ends thereof connected to said bearing housing (77).
5. Foreign matter filtering device according to claim 4, characterized in that between the bearing housing (77) and the cross-tube housing (73) there is a dynamic sealing ring (75), further internally mounted a support bearing (76); the support bearings (76) are mounted at both ends of the rotation support shaft (72).
6. The foreign matter filtering apparatus according to claim 3, wherein a portion inside the cross-shaped tubular housing (73) is fitted with the circular filter net (71), and one end thereof is connected with the driving stepping motor (78) through a coupling; the mesh size of the circular filter screen (71) is between 1mm and 5 mm.
7. Foreign matter filtering device according to claim 1, characterized by comprising a first differential pressure sensor (9) connected by a pipe to the first vertical pipe (3) on both sides of the first rotary screen device (7).
8. The foreign matter filtering apparatus according to claim 1, wherein a second lower elbow pipe (10), a second vertical pipe (11), a second upper elbow pipe (12), a second shut-off valve (13), a second rotary strainer device (14), a second foreign matter storage tank (15), and a second differential pressure sensor (16) which are identical to the first lower elbow pipe (2), the first vertical pipe (3), the first upper elbow pipe (4), the first shut-off valve (6), the first rotary strainer device (7), the first foreign matter storage tank (8), and the first differential pressure sensor (9) are connected in parallel between the lower horizontal pipe (1) and the upper horizontal pipe (5).
9. A foreign matter filtering device according to claim 2, characterized in that the input of the controller (17) is connected to the signal end of a differential pressure sensor (9,16), the output is connected to the control end of a shut-off valve (6,13) and the rotary screen device (7,14), the controller (17) controls the shut-off valve (6,13) and the rotary screen device (7,14) to operate accordingly according to the signal of the differential pressure sensor (9, 16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921461133.3U CN211412631U (en) | 2019-09-04 | 2019-09-04 | Foreign matter filtering device for pneumatic conveying of thermal cracking carbon black |
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| CN201921461133.3U CN211412631U (en) | 2019-09-04 | 2019-09-04 | Foreign matter filtering device for pneumatic conveying of thermal cracking carbon black |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113493620A (en) * | 2021-08-04 | 2021-10-12 | 烁元新材料(东营)股份有限公司 | Intelligent granulating device for low-hardness carbon black particles |
| CN115520658A (en) * | 2022-09-26 | 2022-12-27 | 江苏道金智能装备股份有限公司 | Online dredging type lithium battery negative electrode powder conveying system and working method thereof |
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2019
- 2019-09-04 CN CN201921461133.3U patent/CN211412631U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113493620A (en) * | 2021-08-04 | 2021-10-12 | 烁元新材料(东营)股份有限公司 | Intelligent granulating device for low-hardness carbon black particles |
| CN113493620B (en) * | 2021-08-04 | 2022-07-26 | 烁元新材料(东营)股份有限公司 | Intelligent granulating device for low-hardness carbon black particles |
| CN115520658A (en) * | 2022-09-26 | 2022-12-27 | 江苏道金智能装备股份有限公司 | Online dredging type lithium battery negative electrode powder conveying system and working method thereof |
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