CN111841365A - Online recovery device and recovery method for extracting agent of ultra-high molecular weight polyethylene fiber - Google Patents
Online recovery device and recovery method for extracting agent of ultra-high molecular weight polyethylene fiber Download PDFInfo
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- CN111841365A CN111841365A CN202010764995.4A CN202010764995A CN111841365A CN 111841365 A CN111841365 A CN 111841365A CN 202010764995 A CN202010764995 A CN 202010764995A CN 111841365 A CN111841365 A CN 111841365A
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- 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
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/006—Purge means
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- 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
- B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
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- Chemical Kinetics & Catalysis (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses an on-line recovery device and a recovery method for an extractant of ultra-high molecular weight polyethylene fibers, and relates to the technical field of extractant recovery. The device and the recovery method can fully mix the separating agent with the liquid in the separating barrel, accelerate the liquid separation efficiency of the separating barrel and reduce the separation time.
Description
Technical Field
The invention relates to the technical field of extractant recovery, in particular to an on-line recovery device and a recovery method for an extractant of ultrahigh molecular weight polyethylene fibers.
Background
The ultra-high molecular weight polyethylene fiber, also called high-strength high-modulus polyethylene fiber, is the fiber with the highest specific strength and specific modulus in the world at present, and is the fiber spun by polyethylene with the molecular weight of 100-500 ten thousand; the chemical reagent can form an extract compound dissolved in an organic phase with an extracted material, and in hydrometallurgy, the function of the extracting agent is to generate the extract compound through a matched chemical reaction with extracted metal to be extracted into the organic phase, and the extracted metal can be reversely extracted from the organic phase to a water phase through a certain chemical reaction, so that the purposes of metal purification and enrichment are achieved.
When carrying out recovery processing to the extractant after the ultra high molecular weight polyethylene fibre uses, need adopt appointed recovery unit to carry out recovery processing to it, but current recovery unit is in the use, because of inside does not have better mixing stirring mechanism, leads to the extractant when separating, consumes a large amount of time, can't carry out quick separation processing, consumes a large amount of operating time of constructor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an on-line recovery device and a recovery method for an extracting agent of ultra-high molecular weight polyethylene fibers, and solves the problems that a good mixing and stirring mechanism is not arranged inside, so that a great amount of time is consumed when the extracting agent is separated, rapid separation treatment cannot be carried out, and a great amount of working time is consumed by constructors.
In order to achieve the purpose, the invention is realized by the following technical scheme: the on-line recovery device for the extractant of the ultra-high molecular weight polyethylene fiber comprises a bottom plate, supporting columns are fixedly arranged at the positions of the peripheral corners of the lower end surface of the bottom plate, a filter barrel is fixedly arranged at one side of the upper end surface of the bottom plate, a separation barrel is fixedly arranged at the other side of the upper end surface of the bottom plate, a connecting pipe is fixedly connected between the filter barrel and the separation barrel, a second motor is fixedly arranged at the upper end surface of the separation barrel, a rotating rod is fixedly arranged at the output end of the second motor, a rotating disc is fixedly arranged at the lower end surface of the rotating rod, a rotating gear is fixedly arranged at the position of the annular outer surface of the rotating rod close to the lower end position, stirring rods are rotatably connected at the two sides of the upper end surface of the rotating disc, a, the annular outer surface of the rotating rod is rotatably connected with a movable ring sleeve at a position close to the upper end, and a plurality of through holes are formed in the annular outer surface of the rotating rod.
Preferably, filter vat up end fixed mounting has first motor, first motor output fixed mounting has the rotation lead screw, the inside swing joint of filter vat has the compacting plate, the inside intermediate position department of compacting plate sets up the connection that supplies to rotate the lead screw activity and leads to the groove, filter vat intermediate position department fixed mounting has the coarse strainer, the inside lower extreme position department fixed mounting that is close to of filter vat has the active carbon, the inside fixed mounting that is located of filter vat has the fine filter screen between coarse strainer and the active carbon.
Preferably, the annular surface of separation bucket is close to lower extreme position department fixed mounting and has a hopper, annular surface intermediate position department fixed mounting of separation bucket has hollow frame, hollow frame one end position department fixedly connected with coupling hose, hollow frame up end fixed mounting has the water pump, terminal surface fixed mounting has the drain pipe under the hollow frame, the water pump respectively with between drain pipe and the coupling hose fixedly connected with be connected the siphunculus.
Preferably, the water pump is electrically connected with an external power supply and an external switch, the inlet position of the connecting hose is located at the middle position inside the filter barrel, and the valve is fixedly arranged on the annular outer surface of the liquid outlet pipe.
Preferably, the first motor is electrically connected with an external power supply and an external switch, the connecting through groove is internally provided with a grain print corresponding to the annular outer surface of the rotating screw rod, and the rotating screw rod is in threaded connection with the compacting plate.
Preferably, the rotating gear corresponds to the transmission gear in position, and the rotating gear is in meshing connection with the transmission gear.
Preferably, fixedly connected with conveying pipeline between activity ring cover and the feeder hopper, the dwang is inside to be hollow structure, the through-hole link up with the dwang is inside mutually.
Preferably, the on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber comprises the following steps:
firstly, an externally used extracting agent is conveyed into a filter barrel through an external pipe body, and then a circuit switch of a first motor is directly turned on after the extracting agent is conveyed into the filter barrel, so that a rotary screw rod is effectively driven to rotate after the circuit switch of the first motor is turned on, a compacting plate can be effectively driven to move when the rotary screw rod rotates, liquid can be effectively extruded when the compacting plate moves downwards, and the liquid is filtered through a coarse filter screen, a fine filter screen and active carbon;
step two, liquid is conveyed into the separation barrel through the connection effect of the connecting pipe, and after the liquid is conveyed into the separation barrel, an external designated separating agent is conveyed into the rotating rod through the conveying effect of the feed hopper and the conveying pipe;
step three, informing that a circuit switch of a second motor is directly turned on, driving a rotating rod to drive a rotating disc to rotate after the circuit switch of the second motor is turned on, effectively driving a stirring rod and the rotating disc to simultaneously rotate through the meshing connection between a rotating gear and a transmission gear when the rotating rod rotates, and simultaneously rotating the stirring rod when the stirring rod rotates along with the rotating disc so as to fully mix the catalyst with a material body in a separation barrel;
step four, an external operator can effectively drive the connecting hose to extract and process the separation liquid in the separation barrel after the circuit switch of the water pump is turned on by turning on the circuit switch of the water pump, and then the control valve is turned on to convey the liquid out from the inside of the liquid outlet pipe under the action of the liquid infusion of the liquid outlet pipe, so that the external operator can directly detect and process the liquid.
Advantageous effects
The invention provides an on-line recovery device and a recovery method for an extracting agent of ultra-high molecular weight polyethylene fibers. Compared with the prior art, the method has the following beneficial effects:
1. the on-line recovery device and the recovery method for the extractant of the ultra-high molecular weight polyethylene fiber are characterized in that a circuit switch of a second motor is directly opened, after the circuit switch of the second motor is opened, a rotating rod is effectively driven to rotate, when the rotating rod rotates, a rotating disc is effectively driven to rotate, a stirring rod is effectively driven to rotate at a high speed through the meshing effect between a rotating gear and a transmission gear, a material body in a feeding hopper is conveyed to the inside of a movable ring sleeve through a conveying pipe and then conveyed to the inside of the rotating rod, and when the rotating rod rotates at a high speed, through the through hole and the through effect in a separation barrel, the separating agent can be fully mixed with liquid in the separation barrel, so that the liquid separation efficiency of the separation barrel is accelerated, and the separation time is.
2. According to the on-line recovery device and the recovery method for the extracting agent of the ultra-high molecular weight polyethylene fiber, the circuit switch of the first motor is directly turned on, the first motor effectively drives the rotating screw rod to rotate when rotating, the compacting plate is driven to move up and down through the threaded connection effect with the compacting plate when rotating the rotating screw rod, liquid can be extruded when the compacting plate moves up and down, the liquid can be fully filtered through the coarse filter screen, the fine filter screen and the activated carbon during extrusion, the liquid can be fully filtered, and the liquid can be better filtered.
3. This online recovery unit of extractant and recovery method of ultra high molecular weight polyethylene, circuit switch through directly opening the water pump, water pump circuit switch opens the back, connection effect through coupling hose, can effectually carry out extraction treatment to the inside liquid of separator vat, in the extraction processing procedure, outside operating personnel is through the direct control flap to the drain pipe, after opening the control flap, can directly discharge the inside liquid of separator vat through the drain pipe, after the discharge, the outside operating personnel of being convenient for detects the processing to the liquid after the separation, make outside operating personnel know in real time the liquid separation condition of separator vat inside.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic plan view of the inner structure of the separation barrel according to the present invention;
FIG. 3 is a schematic plan view of a portion of the structure of area A in FIG. 2 according to the present invention;
FIG. 4 is a schematic plan view of the internal structure of the lauter tun according to the present invention;
fig. 5 is a schematic plan view of the internal structure of the hollow frame according to the present invention.
In the figure: 1. a base plate; 2. a support pillar; 3. a filter vat; 4. a separation barrel; 5. a connecting pipe; 6. a first motor; 7. a second motor; 8. a feed hopper; 9. a hollow frame; 10. a discharge hopper; 11. compacting the plate; 12. connecting the through grooves; 13. rotating the screw rod; 14. coarse filtration; 15. a fine filter screen; 16. activated carbon; 17. rotating the rod; 18. a movable ring sleeve; 19. a stirring rod; 20. a rotating gear; 21. rotating the disc; 22. a transmission gear; 23. a through hole; 24. a connecting hose; 25. a water pump; 26. connecting a through pipe; 27. a liquid outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an extraction agent on-line recovery device of ultra-high molecular weight polyethylene fiber comprises a bottom plate 1, support columns 2 are fixedly arranged at the positions of four peripheral angle positions of the lower end surface of the bottom plate 1, a filter barrel 3 is fixedly arranged at one side of the upper end surface of the bottom plate 1, a separation barrel 4 is fixedly arranged at the other side of the upper end surface of the bottom plate 1, a connecting pipe 5 is fixedly connected between the filter barrel 3 and the separation barrel 4, a second motor 7 is fixedly arranged at the upper end surface of the separation barrel 4, a rotating rod 17 is fixedly arranged at the output end of the second motor 7, a rotating disc 21 is fixedly arranged at the lower end surface of the rotating rod 17, a rotating gear 20 is fixedly arranged at the position, close to the lower end, of the annular outer surface of the rotating disc 21, stirring rods 19 are rotatably connected at the two sides of the upper end surface of the rotating, a movable ring sleeve 18 is rotatably connected to the position, close to the upper end, of the annular outer surface of the rotating rod 17, a plurality of through holes 23 are formed in the annular outer surface of the rotating rod 17, the rotating gear 20 corresponds to the transmission gear 22 in position, the rotating gear 20 is meshed with the transmission gear 22 and connected with the transmission gear, a material conveying pipe is fixedly connected between the movable ring sleeve 18 and the feeding hopper 8, the inside of the rotating rod 17 is of a hollow structure, and the through holes 23 are communicated with the inside of the rotating rod 17;
referring to fig. 1 and 4, a first motor 6 is fixedly installed on the upper end face of a filter barrel 3, a rotary screw rod 13 is fixedly installed at the output end of the first motor 6, a compacting plate 11 is movably connected inside the filter barrel 3, a connecting through groove 12 for the rotary screw rod 13 to move is formed in the middle position inside the compacting plate 11, a coarse strainer 14 is fixedly installed at the middle position of the filter barrel 3, activated carbon 16 is fixedly installed inside the filter barrel 3 close to the lower end position, a fine strainer 15 is fixedly installed inside the filter barrel 3 between the coarse strainer 14 and the activated carbon 16, the first motor 6 is electrically connected with an external power supply and an external switch, a pattern corresponding to the annular outer surface of the rotary screw rod 13 is formed inside the connecting through groove 12, and the rotary screw rod 13 is in threaded connection with the compacting plate 11;
referring to fig. 1 and 5, a discharge hopper 10 is fixedly mounted on the annular outer surface of the separation barrel 4 near the lower end, a hollow frame 9 is fixedly mounted on the middle position of the annular outer surface of the separation barrel 4, a connecting hose 24 is fixedly connected to one end of the hollow frame 9, a water pump 25 is fixedly mounted on the upper end face of the hollow frame 9, a drain pipe 27 is fixedly mounted on the lower end face of the hollow frame 9, a connecting pipe 26 is fixedly connected between the water pump 25 and the drain pipe 27 and between the water pump 25 and the connecting hose 24, the water pump 25 is electrically connected with an external power supply and an external switch, the inlet of the connecting hose 24 is located on the middle position inside the filter barrel 3, and a valve is fixedly mounted.
Further, the on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber comprises the following steps:
firstly, an externally used extracting agent is conveyed into a filter barrel 3 through an external pipe body, and then a circuit switch of a first motor 6 is directly turned on after the extracting agent is conveyed into the filter barrel 3, so that a rotary screw 13 is effectively driven to rotate after the circuit switch of the first motor 6 is turned on, when the rotary screw 13 rotates, a compacting plate 11 can be effectively driven to move, when the compacting plate 11 moves downwards, the liquid can be effectively extruded, the liquid is extruded, and the liquid is filtered through a coarse filter screen 14, a fine filter screen 15 and active carbon 16;
step two, liquid is conveyed into the separation barrel 4 through the connecting action of the connecting pipe 5, and after the liquid is conveyed into the separation barrel 4, an external specified separating agent is conveyed into the rotating rod 17 through the conveying action of the feed hopper 8 and the conveying pipe;
step three, informing that a circuit switch of the second motor 7 is directly turned on, driving the rotating rod 17 to drive the rotating disc 21 to rotate after the circuit switch of the second motor 7 is turned on, effectively driving the stirring rod 19 and the rotating disc 21 to simultaneously rotate through the meshing connection between the rotating gear 20 and the transmission gear 22 when the rotating rod 17 rotates, and simultaneously carrying out autorotation when the stirring rod 19 rotates along with the rotating disc 21 so as to fully mix the catalyst with the material body in the separation barrel 4;
step four, an external operator opens a circuit switch of the water pump 25, and after the circuit switch of the water pump 25 is opened, the connecting hose 24 is effectively driven to extract and process the separation liquid in the separation barrel 4, and then the control valve is opened under the infusion action of the liquid outlet pipe 27 to convey the liquid out of the liquid outlet pipe 27, so that the external operator can directly detect and process the liquid.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. On-line recovery unit of extractant of ultra high molecular weight polyethylene fiber, including bottom plate (1), equal fixed mounting in bottom plate (1) terminal surface all around angular position department has support column (2), its characterized in that: the automatic separation device is characterized in that a filter vat (3) is fixedly mounted on one side of the upper end face of the bottom plate (1), a separation vat (4) is fixedly mounted on the other side of the upper end face of the bottom plate (1), a connecting pipe (5) is fixedly connected between the filter vat (3) and the separation vat (4), a second motor (7) is fixedly mounted on the upper end face of the separation vat (4), a rotating rod (17) is fixedly mounted at the output end of the second motor (7), a rotating disc (21) is fixedly mounted on the lower end face of the rotating rod (17), a rotating gear (20) is fixedly mounted on the annular outer surface of the rotating rod (17) close to the lower end position, a stirring rod (19) is rotatably connected to two sides of the upper end face of the rotating disc (21), a transmission gear (22) is fixedly mounted on the lower end position of the annular outer surface of the stirring rod (19, dwang (17) annular surface is close to upper end position department and rotates and be connected with activity ring cover (18), a plurality of through-hole (23) have been seted up to dwang (17) annular surface.
2. The on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: filter vat (3) up end fixed mounting has first motor (6), first motor (6) output end fixed mounting has rotation lead screw (13), the inside swing joint of filter vat (3) has compacting plate (11), compacting plate (11) inside intermediate position department sets up the connection that supplies rotation lead screw (13) activity and leads to groove (12), fixed mounting has coarse strainer (14) of filter vat (3) intermediate position department, the inside lower extreme position department fixed mounting that is close to of filter vat (3) has active carbon (16), fixed mounting has fine filter screen (15) between filter vat (3) inside is located coarse strainer (14) and active carbon (16).
3. The on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: separation bucket (4) annular surface is close to lower extreme position department fixed mounting and is gone out hopper (10), separation bucket (4) annular surface intermediate position department fixed mounting has hollow frame (9), hollow frame (9) one end position department fixedly connected with coupling hose (24), end fixed mounting has water pump (25) on hollow frame (9), end fixed mounting has drain pipe (27) under hollow frame (9), water pump (25) respectively with drain pipe (27) and coupling hose (24) between fixedly connected with siphunculus connection (26).
4. The on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: water pump (25) and external power source and external switch electric connection, coupling hose (24) entry position is located filter vat (3) inside intermediate position department, drain pipe (27) annular surface fixed mounting has the valve.
5. The on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: the first motor (6) is electrically connected with an external power supply and an external switch, the connecting through groove (12) is internally provided with a grain print corresponding to the annular outer surface of the rotating screw rod (13), and the rotating screw rod (13) is in threaded connection with the compacting plate (11).
6. The on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: the rotating gear (20) corresponds to the transmission gear (22) in position, and the rotating gear (20) is in meshing connection with the transmission gear (22).
7. The on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claim 1, characterized in that: the movable ring sleeve is characterized in that a material conveying pipe is fixedly connected between the movable ring sleeve (18) and the feed hopper (8), the inside of the rotating rod (17) is of a hollow structure, and the through hole (23) is communicated with the inside of the rotating rod (17).
8. An on-line recovery device of the extractant of the ultra-high molecular weight polyethylene fiber according to claims 1 to 7, wherein the recovery method comprises the following steps:
firstly, an externally used extracting agent is conveyed into a filter barrel (3) through an external pipe body, and then a circuit switch of a first motor (6) is directly turned on after the extracting agent is conveyed into the filter barrel (3), so that a rotary screw rod (13) is effectively driven to rotate after the circuit switch of the first motor (6) is turned on, when the rotary screw rod (13) rotates, a compacting plate (11) can be effectively driven to move, when the compacting plate (11) moves downwards, liquid can be effectively extruded and extruded, and the liquid is filtered through a coarse filter screen (14), a fine filter screen (15) and active carbon (16);
step two, liquid is conveyed into the separation barrel (4) through the connecting action of the connecting pipe (5), and after the liquid is conveyed into the separation barrel (4), an external specified separating agent is conveyed into the rotating rod (17) through the conveying action of the feed hopper (8) and the conveying pipe;
step three, informing a circuit switch of a second motor (7) to be directly turned on, driving a rotating rod (17) to drive a rotating disc (21) to rotate after the circuit switch of the second motor (7) is turned on, effectively driving a stirring rod (19) and the rotating disc (21) to simultaneously rotate through the meshing connection between a rotating gear (20) and a transmission gear (22) when the rotating rod (17) rotates, and simultaneously rotating the stirring rod (19) when the stirring rod rotates along with the rotating disc (21) so as to fully mix the catalyst with the material body in the separating barrel (4);
and step four, an external operator opens a circuit switch of the water pump (25), and after the circuit switch of the water pump (25) is opened, the external operator effectively drives the connecting hose (24) to extract and process the separation liquid in the separation barrel (4), and then opens the control valve under the infusion action of the liquid outlet pipe (27) to convey the liquid out of the interior of the liquid outlet pipe (27), so that the external operator can directly detect and process the liquid.
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| CN202010764995.4A CN111841365A (en) | 2020-08-03 | 2020-08-03 | Online recovery device and recovery method for extracting agent of ultra-high molecular weight polyethylene fiber |
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| CN202010764995.4A CN111841365A (en) | 2020-08-03 | 2020-08-03 | Online recovery device and recovery method for extracting agent of ultra-high molecular weight polyethylene fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114602264A (en) * | 2022-03-04 | 2022-06-10 | 安庆市鑫富化工有限责任公司 | Environment-friendly chemical flue gas treatment device |
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| CN210496133U (en) * | 2019-08-13 | 2020-05-12 | 山东天骄生物技术有限公司 | Stainless steel agitator tank that stirring efficiency is high |
| CN111219716A (en) * | 2020-01-07 | 2020-06-02 | 叶广丽 | Industry is useless incineration disposal device admittedly |
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| CN114602264A (en) * | 2022-03-04 | 2022-06-10 | 安庆市鑫富化工有限责任公司 | Environment-friendly chemical flue gas treatment device |
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