CN112791492A - Combined processing device for medium and low temperature coal tar - Google Patents
Combined processing device for medium and low temperature coal tar Download PDFInfo
- Publication number
- CN112791492A CN112791492A CN202110340643.0A CN202110340643A CN112791492A CN 112791492 A CN112791492 A CN 112791492A CN 202110340643 A CN202110340643 A CN 202110340643A CN 112791492 A CN112791492 A CN 112791492A
- Authority
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- China
- Prior art keywords
- swing
- filter plate
- low temperature
- coal tar
- medium
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Links
- 239000011280 coal tar Substances 0.000 title claims abstract description 41
- 238000003756 stirring Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000010771 distillate fuel oil Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
- B01D33/0158—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention belongs to the technical field of coal chemical equipment, and particularly relates to a combined processing device for medium and low temperature coal tar, which comprises a processing box, wherein a stirring shaft and a filter plate for stirring and filtering materials are arranged in the processing box; the mounting plate is arranged on one side of the feed end of the treatment box and used for mounting and fixing; the swinging mechanism is arranged on one side of the mounting plate, and two ends of the swinging mechanism are downwards connected to the filter plate through connecting rods and used for driving the filter plate to swing and filter materials; the stirring column is arranged between the processing box and the swinging mechanism and is used for driving the swinging mechanism to circularly swing and driving the stirring shaft to stir the materials; the driving mechanism is arranged between the processing box and the poking column and used for driving the poking column to rotate. The invention has the advantages that: the combined treatment has the advantages of high speed, high efficiency, energy conservation and high resource utilization rate.
Description
Technical Field
The invention belongs to the technical field of coal chemical equipment, and particularly relates to a combined processing device for medium and low temperature coal tar.
Background
The increasing shortage of world petroleum resources makes the technologies for processing various unconventional petroleum resources to produce light fuel oil become hot spots, wherein one of the technologies is to produce clean fuel by using coal tar as a raw material. The medium-low temperature coal tar is a product obtained by dry distillation of lignite or young bituminous coal at about 550-800 ℃, and mainly contains aromatic hydrocarbon, alkane, phenols, unsaturated hydrocarbon and asphalt; the existing processing technology of medium-low temperature coal tar is to use the whole fraction as heavy fuel oil or use the proper fraction of medium-low temperature coal tar as raw material to carry out hydrotreating to prepare clean fuel oil blending component, and the medium-low temperature coal tar fractionation can not obtain various fractions obtained by high-temperature coal tar fractionation.
In terms of composition, the medium-low temperature coal tar contains a large amount of unstable components such as aromatic hydrocarbon, colloid and the like, and is easy to generate coke in the processing process; also contains a large amount of mechanical impurities such as metal, coal dust particles and the like, which seriously influences the operation period of the subsequent processing process; compared with high-temperature coal tar, the medium-low temperature coal tar has higher phenol content and is a component with higher economic value. Due to the characteristics of the medium-low temperature coal tar, the deep processing difficulty is increased to a certain extent, so that the medium-low temperature coal tar is difficult to directly apply the current mature heavy oil processing scheme, internal impurity treatment needs to be carried out on the medium-low temperature coal tar in advance in order to improve the subsequent treatment quality of the medium-low temperature coal tar, most of impurities contained in the medium-low temperature coal tar are solid particles, the filtration mode is generally adopted, and then the rapid and efficient treatment is carried out by combining the stirring combination mode.
Disclosure of Invention
The embodiment of the invention aims to provide a combined processing device for medium and low temperature coal tar, aiming at solving the problem of impurity removal.
The invention is realized by the following steps:
the device comprises a treatment box, wherein a stirring shaft and a filter plate for stirring and filtering materials are arranged in the treatment box, one surface of each of two ends of the filter plate, which faces the feeding end of the treatment box, is fixedly connected with a connecting rod, and the filter plate is rotatably connected in the treatment box through a rotating rod;
the mounting plate is arranged on one side of the feed end of the treatment box and used for mounting and fixing;
the swinging mechanism is arranged on one side of the mounting plate, and two ends of the swinging mechanism are downwards connected to the filter plate through connecting rods and used for driving the filter plate to swing and filter materials;
the stirring column is arranged between the processing box and the swinging mechanism and is used for driving the swinging mechanism to circularly swing and driving the stirring shaft to stir the materials;
the driving mechanism is used for driving the toggle column to rotate;
wherein, the post rotation is stirred in the actuating mechanism drive, stirs the rotation of post and drives the (mixing) shaft and stir the material of handling incasement portion, stirs the top and the swing mechanism contact of post, drives the swing mechanism swing, and the drive filter plate carries out the swing to handling incasement portion's material and filters, has realized stirring and has filtered the compound mode.
According to the combined processing device for the medium and low temperature coal tar, two modes of stirring and filtering are combined in the processing box, so that the materials in the processing box can be rapidly subjected to impurity treatment at a time; through setting up a servo motor and stirring the post rotation in the drive, drive the (mixing) shaft and stir to centering low temperature coal tar, utilize simultaneously to stir piece and swing mechanism and mutually support, the filter plate that drives under the connection of connecting rod and handle incasement portion carries out filterable in centering low temperature coal tar, drive filter plate circulation swing to improve filterable speed, realized driving stirring and filterable dual work simultaneously through a servo motor, improved the utilization of work efficiency and resource. The invention has the advantages that: the combined treatment has the advantages of high speed, high efficiency, energy conservation and high resource utilization rate.
Drawings
FIG. 1 is a schematic perspective view of a combined processing apparatus for medium and low temperature coal tar.
FIG. 2 is a schematic structural diagram of a combined processing apparatus for medium and low temperature coal tar.
FIG. 3 is a schematic diagram of a side view structure of a combined processing apparatus for medium and low temperature coal tar.
FIG. 4 is a schematic diagram of a top view of a combined processing apparatus for medium and low temperature coal tar;
in the drawings: the device comprises a treatment box 10, a servo motor 11, an incomplete gear 12, a straight gear 13, a toggle column 14, a toggle block 15, a swing rod 16, a bump 17, a first rotating rod 18, a second rotating rod 19, a stop rod 20, a mounting plate 21, a lifting rod 22, a sleeve plate 23, a spring 24, a sleeve block 25, a support 26, a stirring shaft 27, stirring blades 28, a filter plate 29, a rotating rod 30, a connecting rod 31, an arc-shaped groove 32 and a conical blanking channel 33.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 4, a structure diagram of a combined processing apparatus for medium and low temperature coal tar provided in an embodiment of the present invention includes:
the treatment tank 10 is used for processing, a stirring shaft 27 and a filter plate 29 for stirring and filtering materials are arranged inside the treatment tank 10, a connecting rod 31 is fixedly connected to one surface of each of two ends of the filter plate 29, which faces to the feeding end of the treatment tank 10, and the filter plate 29 is rotatably connected inside the treatment tank 10 through a rotating rod 30;
the mounting plate 21 is arranged on one side of the feeding end of the treatment box 10 and used for mounting and fixing;
the swinging mechanism is arranged on one side of the mounting plate 21, and two ends of the swinging mechanism are downwards connected to the filter plate 29 through a connecting rod 31 and used for driving the filter plate 29 to swing and filter materials;
the toggle column 14 is arranged between the processing box 10 and the swinging mechanism and is used for driving the swinging mechanism to swing circularly and driving the stirring shaft 27 to stir the materials;
the driving mechanism is used for driving the toggle column 14 to rotate;
wherein, the post 14 rotation is stirred in the actuating mechanism drive, stirs the rotation of post 14 and drives the (mixing) shaft 27 and stir the inside material of case 10, stirs the top and the swing mechanism contact of post 14, drives the swing mechanism swing, and drive filter plate 29 carries out the swing to the material of handling the inside of case 10 and filters, has realized stirring and has filtered the compound mode.
In the embodiment of the invention, when the material inside the treatment box 10 is subjected to impurity removal treatment, the material is input into the treatment box 10 through the feeding end of the treatment box 10, at this time, the driving mechanism drives the toggle column 14 to rotate, the stirring shaft 27 connected with the bottom end of the toggle column 14 rotates to uniformly stir the material inside the treatment box 10, meanwhile, the top end of the toggle column 14 is in rotary and cyclic contact with the swinging mechanism, the swinging mechanism is driven to circularly swing, the swinging mechanism controls the filter plate 29 inside the treatment box 10 to perform cyclic swinging type filtration under the connection of the connecting rod 31, and then the filter plate 29 is driven to perform swinging type filtration while the stirring shaft 27 is controlled to stir the material inside the treatment box 10 through a group of driving mechanisms.
In one embodiment of the present invention, the treatment tank 10 is provided in a rectangular configuration, and the upper side of the discharge end of the treatment tank 10 is connected to a set of conical blanking passages 33 for feeding the material on the filter plate 29 downward into the feed end.
In a preferred embodiment of the present invention, the mounting plate 21 is provided in a T-shaped configuration and its side wall opposite to the swing mechanism is fixedly connected to the treatment tank 10 downward through a bracket 26.
As a preferred embodiment of the invention, the swing mechanism comprises a sleeve plate 23 fixed on the side wall of one end of the mounting plate 21 far away from the treatment tank 10, a spring 24 is elastically connected inside the sleeve plate 23, the bottom end of the spring 24 is elastically connected with a lifting rod 22 slidably connected on the inner side wall of the sleeve plate 23, one end of the lifting rod 22 far away from the sleeve plate 23 is rotatably connected with a rotating rod II 19, the end of the rotating rod II 19 far away from the lifting rod 22 is rotatably connected with a rotating rod I18, the end of the rotating rod I18 far away from the rotating rod II 19 is rotatably connected with a swing rod 16, and two ends of the swing rod 16 are fixedly connected to the filter plate. Toggle 14 topside portion fixed mounting has the stirring piece 15 of a set of isosceles triangle structure, be located with stirring on the rocking beam 16 both ends lateral wall of 15 corresponding positions of position of stirring piece fixed mounting have with stir 15 contact stirring lug 17, utilize to toggle 14 drive stirring piece 15 and rotate, then through stirring 15 intermittent and lug 17 contacts, then drive lifter 22 and reciprocate in the inside of lagging 23 under the rotation of dwang 18 and dwang two 19 is connected, and the elastic action through spring 24 in time resumes the lift of lifter 22, thereby control rocking beam 16 swings, drive filter plate 29 and swing and filter.
In a preferred embodiment of the present invention, the swing lever 16 is configured as an inverted V-shaped structure for increasing the swing amplitude of the swing lever 16 at both ends when swinging.
As a preferred embodiment of the invention, the driving mechanism comprises a sleeve block 25 rotatably sleeved on a stirring shaft 27, one side of the sleeve block 25 facing to a bracket 26 is fixed on the bracket 26 through a connecting rod, a spur gear 13 is fixedly arranged on the stirring shaft 27 between the sleeve block 25 and a stirring column 14, one side of the spur gear 13 facing to the bracket 26 is meshed with an incomplete gear 12, the incomplete gear 12 is provided with a quarter circumferential tooth groove, the middle part of the side wall of the incomplete gear 12 far away from a treatment box 10 is rotatably connected with a servo motor 11 fixed on the bracket 26, the servo motor 11 is started to drive the incomplete gear 12 to rotate, the stirring shaft 27 is driven to rotate intermittently through the meshing of the spur gear 13 and the incomplete gear 12, then the stirring column 14 is driven to rotate, a plurality of groups of stirring blades 28 are uniformly arranged on the side wall of the stirring shaft 27 arranged in the treatment box 10, for improving the uniformity of agitation of the material within the treatment chamber 10.
Two stop levers 20 are symmetrically installed on the side wall of the installation plate 21 on two sides of the first rotating rod 18, and the stop levers 20 are arranged to limit the rotating amplitude of the first rotating rod 18 to be too large, so that the swing amplitude of the first rotating rod 16 is indirectly limited.
As another preferred embodiment of the present invention, the end of the filter plate 29 at the connecting rod 31 is configured to be an arc structure, and the sidewall of the treatment tank 10 corresponding to the arc structure of the end of the filter plate 29 is provided with an arc groove 32 for facilitating the rotation of the filter plate 29, so that the filter plate 29 can be rotated in cooperation with the arc groove 32 by configuring the two ends of the filter plate 29 to be arc structures, thereby improving the overall filtering performance of the filter plate 29 on the materials inside the treatment tank 10.
The embodiment of the invention provides a combined processing device of medium and low temperature coal tar, which is characterized in that the medium and low temperature coal tar to be processed is input into a processing box 10 through a feeding end of the processing box 10, a servo motor 11 is started to drive an incomplete gear 12 to rotate, a toggle column 14 is controlled to intermittently rotate under the meshing of a straight gear 13 and the incomplete gear 12, then the rotation of the toggle column 14 drives a stirring shaft 27 arranged in the processing box 10 and a stirring blade 28 on the stirring shaft 27 to stir the medium and low temperature coal tar in the processing box 10, impurities in the medium and low temperature coal tar are uniformly stirred, meanwhile, a toggle block 15 at the top of the toggle column 14 intermittently contacts and toggles with bumps 17 at two ends of a swing rod 16, under the rotating connection of a first rotating rod 18 and a second rotating rod 19 at the top of the swing rod 16, a lifting rod 22 is driven to slide up and down in a sleeve plate 23, and then the circulating swing, the connection of the connecting rod 31 drives the filter plate 29 to swing, then impurities on the filter plate 29 are filtered in a swinging mode, the filtering speed is accelerated, and then the medium-low temperature coal tar penetrating through the filter plate 29 is downwards output from the outlet end of the treatment box 10 through the conical blanking channel 33.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The combined processing device of the medium and low temperature coal tar is characterized by comprising:
the processing box is used for processing, a stirring shaft and a filter plate for stirring and filtering materials are arranged inside the processing box, one surface of each of two ends of the filter plate, which faces the feeding end of the processing box, is fixedly connected with a connecting rod, and the filter plate is rotatably connected inside the processing box through a rotating rod;
the mounting plate is arranged on one side of the feed end of the treatment box and used for mounting and fixing;
the swinging mechanism is arranged on one side of the mounting plate, and two ends of the swinging mechanism are downwards connected to the filter plate through connecting rods and used for driving the filter plate to swing and filter materials;
the stirring column is arranged between the processing box and the swinging mechanism and is used for driving the swinging mechanism to circularly swing and driving the stirring shaft to stir the materials;
the driving mechanism is used for driving the toggle column to rotate;
wherein, the post rotation is stirred in the actuating mechanism drive, stirs the post and rotates and drive the (mixing) shaft and stir the material of handling incasement portion, stirs the top and the swing mechanism contact of post, drives the swing mechanism swing, and the drive filter plate carries out the swing to handling incasement portion's material and filters, has realized stirring and has filtered the compound mode.
2. The combined processing device for medium and low temperature coal tar according to claim 1, wherein the treatment tank is of a rectangular structure, and a group of conical blanking channels for enabling materials on the filter plate to enter the feeding end downwards are communicated with the upper side of the discharging end of the treatment tank.
3. The combined processing device for medium and low temperature coal tar according to claim 1, wherein the mounting plate is arranged in a T-shaped structure, and the side wall of the mounting plate opposite to the swinging mechanism is downwards fixedly connected to the processing box through a bracket.
4. The combined processing device for medium and low temperature coal tar according to claim 1, wherein the swing mechanism comprises a sleeve plate fixed on the side wall of one end of the mounting plate away from the processing box, a spring is elastically connected inside the sleeve plate, the bottom end of the spring is elastically connected with a lifting rod slidably connected on the inner side wall of the sleeve plate, one end of the lifting rod away from the sleeve plate is rotatably connected with a rotating rod II, the end part of the rotating rod II away from the lifting rod is rotatably connected with a rotating rod I, the end part of the rotating rod I away from the rotating rod II is rotatably connected with a swing rod, and two ends of the swing rod are fixedly connected to the filter plate downwards; the top edge part of the toggle column is fixedly provided with a group of toggle blocks with isosceles triangle structures, and the side walls of two ends of the oscillating rod which is positioned at the corresponding position of the toggle blocks are fixedly provided with convex blocks which are toggled in a contact mode with the toggle blocks.
5. The combined processing device for medium and low temperature coal tar according to claim 4, wherein the swing rod is arranged in an inverted V-shaped structure, and is used for improving the swing amplitude of the two ends of the swing rod during swinging.
6. The combined processing device for medium and low temperature coal tar according to claim 1, wherein the driving mechanism comprises a sleeve block rotatably sleeved on the stirring shaft, one side of the sleeve block facing the bracket is fixed on the bracket through a connecting rod, a spur gear is fixedly arranged on the stirring shaft between the sleeve block and the toggle column, one side of the spur gear facing the bracket is engaged with an incomplete gear, the incomplete gear is provided with a quarter circumferential tooth groove, and the middle part of the side wall of the incomplete gear far away from the processing box is rotatably connected with a servo motor fixed on the bracket.
7. The combined processing device of medium and low temperature coal tar according to claim 1, wherein a plurality of groups of stirring blades are uniformly installed on the side wall of the stirring shaft.
8. The combined processing device for medium and low temperature coal tar according to claim 5, wherein two stop rods are symmetrically installed on the side walls of the installation plate at two sides of the first rotating rod.
9. The combined processing device for medium and low temperature coal tar according to claim 1 or 2, wherein the end of the filter plate at the connecting rod is provided with an arc-shaped structure, and an arc-shaped groove convenient for the rotation of the filter plate is arranged on the side wall of the processing box corresponding to the arc-shaped structure at the end of the filter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340643.0A CN112791492B (en) | 2021-03-30 | 2021-03-30 | Combined processing device for medium and low temperature coal tar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340643.0A CN112791492B (en) | 2021-03-30 | 2021-03-30 | Combined processing device for medium and low temperature coal tar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112791492A true CN112791492A (en) | 2021-05-14 |
| CN112791492B CN112791492B (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110340643.0A Active CN112791492B (en) | 2021-03-30 | 2021-03-30 | Combined processing device for medium and low temperature coal tar |
Country Status (1)
| Country | Link |
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| CN (1) | CN112791492B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669107A (en) * | 2022-04-11 | 2022-06-28 | 东营思达石油化工有限公司 | Processing equipment for medium and low temperature coal tar |
| CN117778045A (en) * | 2024-02-23 | 2024-03-29 | 辽宁亿正伟业化工有限公司 | Coal tar pretreatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251115A (en) * | 2002-03-04 | 2003-09-09 | Jfe Engineering Kk | Solid-liquid separator |
| CN206214887U (en) * | 2016-11-15 | 2017-06-06 | 杨建锋 | A kind of bulk drug High-cfficiency Filtration equipment |
| CN208865951U (en) * | 2018-06-04 | 2019-05-17 | 湖北华行健建设工程有限公司 | A kind of interval feeding type Sand screen for building |
| CN209519382U (en) * | 2019-01-31 | 2019-10-22 | 重庆医药高等专科学校 | Traditional Chinese medicine extraction device |
-
2021
- 2021-03-30 CN CN202110340643.0A patent/CN112791492B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251115A (en) * | 2002-03-04 | 2003-09-09 | Jfe Engineering Kk | Solid-liquid separator |
| CN206214887U (en) * | 2016-11-15 | 2017-06-06 | 杨建锋 | A kind of bulk drug High-cfficiency Filtration equipment |
| CN208865951U (en) * | 2018-06-04 | 2019-05-17 | 湖北华行健建设工程有限公司 | A kind of interval feeding type Sand screen for building |
| CN209519382U (en) * | 2019-01-31 | 2019-10-22 | 重庆医药高等专科学校 | Traditional Chinese medicine extraction device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669107A (en) * | 2022-04-11 | 2022-06-28 | 东营思达石油化工有限公司 | Processing equipment for medium and low temperature coal tar |
| CN117778045A (en) * | 2024-02-23 | 2024-03-29 | 辽宁亿正伟业化工有限公司 | Coal tar pretreatment equipment |
| CN117778045B (en) * | 2024-02-23 | 2024-05-14 | 辽宁亿正伟业化工有限公司 | Coal tar pretreatment equipment |
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| Publication number | Publication date |
|---|---|
| CN112791492B (en) | 2021-07-02 |
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Denomination of invention: A combined processing device for medium and low temperature coal tar Effective date of registration: 20220629 Granted publication date: 20210702 Pledgee: Industrial and Commercial Bank of China Limited Lijin sub branch Pledgor: LIHUA YILIJIN REFINERY Co.,Ltd. Registration number: Y2022980009433 |
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Date of cancellation: 20231123 Granted publication date: 20210702 Pledgee: Industrial and Commercial Bank of China Limited Lijin sub branch Pledgor: LIHUA YILIJIN REFINERY Co.,Ltd. Registration number: Y2022980009433 |
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