CN111603793A - Powder drying equipment - Google Patents
Powder drying equipment Download PDFInfo
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- CN111603793A CN111603793A CN202010434388.1A CN202010434388A CN111603793A CN 111603793 A CN111603793 A CN 111603793A CN 202010434388 A CN202010434388 A CN 202010434388A CN 111603793 A CN111603793 A CN 111603793A
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- evaporation
- powder
- turntable
- scraper
- slurry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
- B01D1/24—Evaporating by bringing a thin layer of the liquid into contact with a heated surface to obtain dry solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of powder drying, in particular to powder drying equipment, which comprises a disc type evaporation device and a rotary disc driving mechanism, wherein the disc type evaporation device comprises a plurality of evaporation rotary discs which are arranged in parallel and used for evaporating moisture in slurry, and the rotary disc driving mechanism is used for driving the evaporation rotary discs to rotate; the slurry spraying device comprises a plurality of groups of spray head assemblies for spraying slurry to the surface of the evaporation turntable; powder scraping device, it includes the scraper, and one side of a plurality of evaporation carousel all is equipped with the scraper. According to the invention, the spray head assembly sprays the slurry to the surface of the evaporation turntable, the evaporation turntable simultaneously evaporates the moisture in the slurry in the rotation process, after the moisture is evaporated, the powder is adsorbed on the surface of the evaporation turntable, the evaporation turntable rotates relative to the scraper, the scraper scrapes and collects the powder adsorbed on the surface of the evaporation turntable, the slurry evaporation and the powder scraping and collecting are simultaneously carried out in the process of continuously rotating by heating the evaporation turntable, the overall working efficiency is high, and the continuous production and collection of the powder are realized.
Description
Technical Field
The invention relates to the technical field of powder drying, in particular to powder drying equipment.
Background
In the process of preparing indium hydroxide powder, most of the water in the indium hydroxide slurry needs to be evaporated to obtain indium hydroxide powder. In the prior art, the powder is prepared by methods such as hot air atomization powder preparation, mechanical crushing after high-temperature baking in an oven and the like, the preparation process is complicated, the energy consumption of equipment is high, and the continuous production efficiency is low.
Disclosure of Invention
The invention aims to provide powder drying equipment which is beneficial to realizing continuous production and collection of powder and improving the production efficiency of the powder.
In order to achieve the above object, the present invention provides a powder drying apparatus comprising:
the disc type evaporation device comprises a plurality of evaporation rotary discs which are arranged in parallel and used for evaporating moisture in the slurry, and a rotary disc driving mechanism used for driving the evaporation rotary discs to rotate;
the slurry spraying device comprises a plurality of groups of spray head assemblies for spraying slurry to the surface of the evaporation rotary disc;
powder scraping device, it is including the scraper that is used for scraping evaporation carousel surface powder, and a plurality of one side of evaporation carousel all is equipped with the scraper.
Optionally, the disc evaporation device further comprises a steam guide pipe, a plurality of groups of steam through holes are formed in the steam guide pipe in the circumferential direction, the evaporation turntable is a hollow turntable, and a hollow turntable sealing sleeve is arranged on the outer side of the steam guide pipe and communicated with the steam through holes.
Optionally, the disc evaporation device further comprises a cold water conduit sleeved in the steam conduit and used for guiding out cold water after steam condensation.
Optionally, the slurry spraying device comprises a circulating pump, a dispersing kettle, a recovery tank and a circulating pipeline, the recovery tank is arranged below the evaporation turntable, the circulating pipeline is sequentially communicated with the recovery tank, the circulating pump and the spray head assembly, and the dispersing kettle is connected with the spray head assembly.
Optionally, the spray head assembly includes a first spray pipe for spraying the slurry to the first side surface of the evaporation turntable and a second spray pipe for spraying the slurry to the second side surface of the evaporation turntable.
Optionally, the powder scraping device comprises a mounting bracket, the scrapers are arranged on two sides of the evaporation turntable, the scrapers are rotatably connected to the mounting bracket, and the two groups of scrapers are connected through a first elastic piece.
Optionally, the powder scraping device includes a mounting bracket and a scraper moving assembly mounted on the mounting bracket, the scraper moving mechanism includes a first guide rail arranged along the axial direction of the evaporation turntable, and the scraper is slidably connected to the first guide rail.
Optionally, the scraper moving assembly includes a moving bracket, a slider and a second guide rail, the second guide rail is fixedly mounted on the mounting bracket, the moving bracket is slidably connected to the second guide rail, the first guide rail is fixedly mounted on the moving bracket, the slider is slidably connected to the first guide rail, and the scraper is rotatably connected to the slider.
Optionally, the powder scraping device includes a powder guiding groove, the scraper is mounted on the powder guiding groove, and the powder guiding groove is rotatably connected with the sliding block.
Optionally, the scraper moving assembly further comprises a second elastic member, and the second elastic member is connected with the scraper and used for enabling the scraper to be attached to the surface of the evaporation turntable.
The embodiment of the invention has the following technical effects:
the invention is provided with the evaporation turntable and the slurry spraying device, slurry is sprayed on the surface of the evaporation turntable through the spray head assembly, the evaporation turntable simultaneously evaporates water in the slurry in the rotation process, powder is adsorbed on the surface of the evaporation turntable after the water is evaporated, the evaporation turntables rotate relative to the scrapers, the scrapers scrape and collect the powder adsorbed on the surface of the evaporation turntable, the evaporation turntable is heated to continuously rotate, the slurry evaporation and the powder scraping and collection are simultaneously carried out, the overall working efficiency is high, and the continuous production and collection of the powder are realized.
Drawings
FIG. 1 is a top view of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a slurry spraying device and a powder conveying device in a preferred embodiment of the present invention;
FIG. 3 is a schematic view showing the assembly of the disk evaporator and the powder scraper according to the preferred embodiment of the present invention;
FIG. 4 is an assembly view of the disk evaporator and the powder scraper from another perspective in accordance with the preferred embodiment of the present invention;
FIG. 5 is a sectional view of a disc evaporator apparatus in accordance with a preferred embodiment of the present invention;
FIG. 6 is a partial view of a powder scraping device according to a preferred embodiment of the present invention;
fig. 7 is an exploded view of the powder scraping device in the preferred embodiment of the present invention.
Description of reference numerals:
1. the device comprises a disc type evaporation device 11, an evaporation rotary disc 12, a rotary disc driving mechanism 13, a steam guide pipe 131, a steam through hole 14 and a cold water guide pipe;
2. the slurry spraying device 21, the spray head assembly 211, the first spray pipe 212, the second spray pipe 22, the circulating pump 23, the recovery tank 24 and the circulating pipeline;
3. the powder scraping device comprises a powder scraping device 31, a scraper 32, a mounting bracket 33, a first elastic piece 34, a scraper moving assembly 341, a moving bracket 342, a sliding block 343, a second guide rail 344, a first guide rail 345, a second elastic piece 35 and a powder guide groove;
4. powder conveying device.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1 to 7, an embodiment of the present invention provides a powder drying apparatus including:
the disc type evaporation device 1 comprises a plurality of evaporation rotary discs 11 which are arranged in parallel and used for evaporating moisture in slurry, and a rotary disc driving mechanism 12 used for driving the evaporation rotary discs 11 to rotate;
the slurry spraying device 2 comprises a plurality of groups of spray head assemblies 21 for spraying slurry to the surface of the evaporation rotating disc 11;
the powder scraping device 3 comprises scrapers 31 for scraping powder on the surfaces of the evaporation rotating discs 11, and the scrapers 31 are arranged on one sides of the evaporation rotating discs 11.
According to the invention, the evaporation rotating disc 11 and the slurry spraying device 2 are arranged, slurry is sprayed onto the surface of the evaporation rotating disc 11 through the spray head assembly 21, water in the slurry is evaporated simultaneously in the rotation process of the evaporation rotating disc 11, after the water is evaporated, powder is adsorbed on the surface of the evaporation rotating disc 11, the evaporation rotating discs 11 rotate relative to the scraper 31, the scraper 31 scrapes and collects the powder adsorbed on the surface of the evaporation rotating disc 11, the slurry evaporation and the powder scraping and collection are simultaneously carried out in the continuous rotation process of heating through the evaporation rotating disc 11, the overall working efficiency is high, and the continuous production and collection of the powder are realized.
Referring to fig. 1 and 2, in an embodiment of the present invention, a slurry spraying apparatus 2 includes a circulation pump 22, a dispersion tank (not shown), a recovery tank 23 and a circulation pipeline 24, on one hand, the recovery tank 23 is disposed below the evaporation rotating disk 11, and collects slurry that is not evaporated or splashed when the nozzle assembly 21 sprays onto the surface of the evaporation rotating disk 11, and returns to the nozzle assembly 21 through the recovery tank 23, the circulation pump 22 and the nozzle assembly 21 which are sequentially communicated to spray again, so as to reduce consumption of raw materials, the dispersion tank is connected to the nozzle assembly 21, wherein the circulation pump 22 is connected between the dispersion tank and the nozzle assembly 21, so as to improve efficiency of the nozzle assembly 21 in spraying slurry, and in addition, the dispersion tank is disposed to stir slurry uniformly, so as to ensure that the slurry is not settled and not agglomerated, and to keep performance index of powder collection stable.
In order to further improve the efficiency of the evaporation of the slurry by the evaporation turntable 11, preferably, the nozzle assembly 21 of the embodiment includes a first nozzle 211 for spraying the slurry to the first side surface of the evaporation turntable 11 and a second nozzle 212 for spraying the slurry to the second side surface of the evaporation turntable 11, so that the slurry is evaporated on both sides of the evaporation turntable 11 at the same time, the evaporation area is increased, and the evaporation efficiency is improved.
Referring to fig. 3 to 5, in order to evaporate moisture in the slurry quickly, the disc evaporation apparatus 1 in an embodiment of the present invention further includes a steam guide pipe 13, the steam guide pipe 13 is provided with a plurality of sets of steam through holes 131 along a circumferential direction, the evaporation rotating discs 11 are hollow rotating discs, the hollow rotating discs are hermetically sealed and disposed outside the steam guide pipe 13 and communicated with the steam through holes 131, steam is used as a heat source, and during evaporation of the slurry, high-temperature steam is introduced into the steam guide pipe 13, so that the steam enters each hollow rotating disc from the steam through holes 131, thereby heating the slurry on the surface of the evaporation rotating discs 11.
Further, because high temperature steam produces cold water after the condensation, in order to prevent that cold water from influencing the evaporation efficiency of evaporation carousel 11, the disc evaporation device 1 of this embodiment still includes that the cover is located the cold water pipe 14 that is used for deriving the cold water after the steam condensation in steam pipe 13, derive the cold water that produces after the condensation from cold water pipe 14 through cold water pipe 14, guarantee the stable evaporation of thick liquids on evaporation carousel 11 surface, wherein cold water pipe 14 is equipped with the water conservancy diversion inclined plane of slope setting, be convenient for make the cold water after the condensation discharge fast along the incline direction, it is concrete, the water conservancy diversion inclined plane is personally submitted with the level and is preset the contained angle.
Referring to fig. 3 and 4, in an embodiment of the present invention, the powder scraping device 3 includes a mounting bracket 32, and the two sides of the evaporation turntable 11 are both provided with scrapers 31 to scrape the powder on the two sides of the evaporation turntable 11, so as to improve the production efficiency of the powder, further, the scrapers 31 are rotatably connected to the mounting bracket 32, and the two groups of scrapers 31 are connected by a first elastic member 33, so that when the thickness of the powder layer on the surface of the evaporation turntable 11 is not uniform, the two groups of scrapers 31 rotate at a proper angle under the elastic force of the first elastic member 33 and are attached to the surface of the evaporation turntable 11 to scrape the powder.
Further, referring to fig. 4, 6 and 7, the powder scraping device 3 in this embodiment further includes a scraper moving assembly 34, the scraper moving assembly 34 includes a moving bracket 341, a sliding block 342, a second guide rail 343 and a first guide rail 344, the second guide rail 343 is fixedly mounted on the mounting bracket 32, the moving bracket 341 is slidably connected to the second guide rail 343, the first guide rail 344 is fixedly mounted on the moving bracket 341, the sliding block 342 is slidably connected to the first guide rail 344, and the scraper 31 is rotatably connected to the sliding block 342, so that on one hand, when the moving bracket 341 moves integrally, the scrapers 31 on two sides of the evaporation turntable 11 are driven to move simultaneously, and the position of the scraper moving assembly 34 is adjusted, thereby being convenient for adapting to the evaporation turntables 11 at different mounting positions; on the other hand, the scrapers 31 slide on the first guide rails 344 through the sliders 342, so that the distance between the rotating shafts of the two groups of the scrapers 31 is changed, the two groups of the scrapers are suitable for evaporation rotating discs 11 with different thicknesses, and the scrapers 31 are further ensured to be attached to the surfaces of the evaporation rotating discs 11 to scrape powder; in addition, when the evaporation rotating disc is used, the steam guide pipe 13 expands and contracts due to temperature change to drive the evaporation rotating disc 11 to deflect left and right, the movable support 341 moves and cooperates with the evaporation rotating disc 11 through the second guide rail 343, and the adhesion between the scraper 31 and the evaporation rotating disc 11 is guaranteed.
In order to further attach the scraper 31 to the surface of the evaporation turntable 11 to improve the efficiency of the scraper 31 in scraping powder, the scraper moving assembly 34 in this embodiment further includes a second elastic member 345, one end of the second elastic member 345 abuts against one side of the moving bracket 341 facing the evaporation turntable 11, and the other end abuts against one side of the slider 342 facing away from the evaporation turntable 11, and the slider 342 is pushed to approach the evaporation turntable 11 by the elastic force of the second elastic member 345, it can be understood that, when the powder layer on the surface of the evaporation turntable 11 becomes thinner, the scraper 31 moves to a limit point in the direction of the evaporation turntable 11 under the elastic force of the second elastic member 345, and at this time, no second elastic member 345 compensates pressure; when the powder layer on the surface of the evaporation turntable 11 becomes thicker, the pressing blade 31 moves away from the evaporation turntable 11, and the elastic force of the second elastic member 345 supplements the pressure to make the blade 31 tightly contact with the surface of the evaporation turntable 11.
In order to collect the scraped powder conveniently, the powder scraping device 3 comprises a powder diversion trench 35, the scraper 31 is installed on the powder diversion trench 35, the powder diversion trench 35 is rotatably connected with the slider 342, so that the powder scraped by the scraper 31 falls on the powder diversion trench 35 and is transmitted to the preset direction, further, a powder conveying device 4 is arranged below the discharging end of the powder diversion trench 35, the collected powder is conveniently transmitted to the next processing procedure, and the processing efficiency is improved.
The working principle of the invention is as follows:
firstly, introducing high-temperature steam into a steam guide pipe 13, enabling the high-temperature steam to enter an evaporation rotary disc 11 from a steam through hole 131 to enable the surface temperature of the evaporation rotary disc 11 to rise, then enabling the evaporation rotary disc 11 to rotate under the action of a rotary disc driving mechanism 12, enabling a circulating pump 22 to work at the same time, pumping slurry from a dispersion kettle to a spray head assembly 21 to be sprayed to the surface of the evaporation rotary disc 11 to evaporate moisture, enabling a scraper 31 to be attached to the surface of the evaporation rotary disc 11 to scrape dried powder from the surface of the evaporation rotary disc 11 in the rotation process of the evaporation rotary disc 11, enabling the scraped powder to fall into a powder guide groove 35 to be conveyed to a powder conveying device 4 to be conveyed to the next;
wherein, the slurry sprayed by the spray head assembly 21 and not adsorbed on the surface of the evaporation rotating disk 11 falls into the recovery tank 23 for recovery, and is pumped by the circulating pump 22 and returned to the spray head assembly 21 for spraying.
In conclusion, the evaporation turntable 11 and the slurry spraying device 2 are arranged, slurry is sprayed onto the surface of the evaporation turntable 11 through the spray head assembly 21, water in the slurry is evaporated simultaneously in the rotation process of the evaporation turntable 11, after the water is evaporated, powder is adsorbed on the surface of the evaporation turntable 11, the evaporation turntable 11 rotates relative to the scraper 31, the scraper 31 scrapes and collects the powder adsorbed on the surface of the evaporation turntable 11, in the process of heating and continuously rotating through the evaporation turntable 11, the slurry evaporation and the powder scraping and collection are simultaneously carried out, the overall working efficiency is high, and the continuous production and collection of the powder are realized; in addition, the scraper moving assembly 34 is arranged, so that the scraper 31 is stably attached to the surface of the evaporation turntable 11, and the powder scraping efficiency is improved.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A powder drying apparatus, comprising:
the disc type evaporation device comprises a plurality of evaporation rotary discs which are arranged in parallel and used for evaporating moisture in the slurry, and a rotary disc driving mechanism used for driving the evaporation rotary discs to rotate;
the slurry spraying device comprises a plurality of groups of spray head assemblies for spraying slurry to the surface of the evaporation rotary disc;
powder scraping device, it is including the scraper that is used for scraping evaporation carousel surface powder, and a plurality of one side of evaporation carousel all is equipped with the scraper.
2. The powder drying equipment of claim 1, wherein the disc type evaporation device further comprises a steam guide pipe, a plurality of groups of steam through holes are formed in the steam guide pipe along the circumferential direction, the evaporation turntable is a hollow turntable, and the hollow turntable is arranged on the outer side of the steam guide pipe in a sealing manner and is communicated with the steam through holes.
3. The powder drying apparatus according to claim 2, wherein the disc evaporation device further comprises a cold water conduit sleeved in the steam conduit for guiding out cold water after steam condensation.
4. The powder drying apparatus according to claim 1, wherein the slurry spraying device includes a circulation pump, a dispersion tank, a recovery tank, and a circulation line, the recovery tank is disposed below the evaporation turntable, the circulation line is sequentially communicated with the recovery tank, the circulation pump, and the spray head assembly, and the dispersion tank is connected with the spray head assembly.
5. A powder drying apparatus according to claim 1 or 4, wherein the spray head assembly comprises a first spray pipe for spraying the slurry to the first side surface of the evaporation turntable and a second spray pipe for spraying the slurry to the second side surface of the evaporation turntable.
6. The powder drying device of claim 1, wherein the powder scraping device comprises a mounting bracket, the scraper blades are arranged on both sides of the evaporation turntable, the scraper blades are rotatably connected to the mounting bracket, and the two groups of scraper blades are connected through a first elastic member.
7. The powder drying apparatus according to claim 1, wherein the powder scraping device comprises a mounting bracket and a scraper moving assembly mounted on the mounting bracket, and the scraper moving mechanism comprises a first guide rail arranged along an axial direction of the evaporation turntable, and the scraper is slidably connected to the first guide rail.
8. The powder drying apparatus according to claim 7, wherein the scraper moving assembly comprises a moving bracket, a sliding block and a second guide rail, the second guide rail is fixedly mounted on the mounting bracket, the moving bracket is slidably connected to the second guide rail, the first guide rail is fixedly mounted on the moving bracket, the sliding block is slidably connected to the first guide rail, and the scraper is rotatably connected to the sliding block.
9. The powder drying apparatus according to claim 8, wherein the powder scraping device comprises a powder guiding groove, the scraper is mounted on the powder guiding groove, and the powder guiding groove is rotatably connected with the sliding block.
10. A powder drying apparatus according to claim 7, wherein the scraper moving assembly further comprises a second elastic member connected to the scraper for allowing the scraper to adhere to the surface of the evaporation turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434388.1A CN111603793B (en) | 2020-05-20 | 2020-05-20 | Powder drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434388.1A CN111603793B (en) | 2020-05-20 | 2020-05-20 | Powder drying equipment |
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| Publication Number | Publication Date |
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| CN111603793A true CN111603793A (en) | 2020-09-01 |
| CN111603793B CN111603793B (en) | 2022-06-17 |
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| CN202010434388.1A Active CN111603793B (en) | 2020-05-20 | 2020-05-20 | Powder drying equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144656A (en) * | 2021-05-13 | 2021-07-23 | 湖南文理学院 | Device and method for extracting crocin from gardenia based on evaporation concentration |
| CN117735647A (en) * | 2024-02-20 | 2024-03-22 | 环德(福建)环保科技有限公司 | High-efficient scraper blade cloth diaphragm type landfill leachate handles integration equipment |
| CN117756212A (en) * | 2024-02-22 | 2024-03-26 | 环德(福建)环保科技有限公司 | landfill leachate evaporation mother liquor treatment equipment and treatment process thereof |
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| CN209019925U (en) * | 2018-08-14 | 2019-06-25 | 上海缘昌医药化工装备有限公司 | A kind of efficient internal-disk heating thin film evaporation drying machine |
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| JP2003190702A (en) * | 2001-12-28 | 2003-07-08 | Chuo Kakoki Kk | Rotary disc type dryer |
| CN201094868Y (en) * | 2007-08-26 | 2008-08-06 | 冯建东 | Super short pipe-disk type vacuum rotating concentrator |
| JP2008241234A (en) * | 2007-10-29 | 2008-10-09 | Suntory Ltd | Slurry drying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113144656A (en) * | 2021-05-13 | 2021-07-23 | 湖南文理学院 | Device and method for extracting crocin from gardenia based on evaporation concentration |
| CN113144656B (en) * | 2021-05-13 | 2022-04-22 | 湖南文理学院 | Device and method for extracting crocin from gardenia based on evaporation concentration |
| CN117735647A (en) * | 2024-02-20 | 2024-03-22 | 环德(福建)环保科技有限公司 | High-efficient scraper blade cloth diaphragm type landfill leachate handles integration equipment |
| CN117735647B (en) * | 2024-02-20 | 2024-05-03 | 环德(福建)环保科技有限公司 | High-efficient scraper blade cloth diaphragm type landfill leachate handles integration equipment |
| CN117756212A (en) * | 2024-02-22 | 2024-03-26 | 环德(福建)环保科技有限公司 | landfill leachate evaporation mother liquor treatment equipment and treatment process thereof |
| CN117756212B (en) * | 2024-02-22 | 2024-05-03 | 环德(福建)环保科技有限公司 | Landfill leachate evaporation mother liquor treatment equipment and treatment process thereof |
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| CN111603793B (en) | 2022-06-17 |
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