CN111187710A - Pretreatment equipment for biogas fermentation power generation - Google Patents
Pretreatment equipment for biogas fermentation power generation Download PDFInfo
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- CN111187710A CN111187710A CN202010046629.5A CN202010046629A CN111187710A CN 111187710 A CN111187710 A CN 111187710A CN 202010046629 A CN202010046629 A CN 202010046629A CN 111187710 A CN111187710 A CN 111187710A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention relates to a pretreatment device for biogas fermentation power generation, which comprises a stirring frame, wherein a stirring motor is arranged on the inner wall of the stirring frame, an output shaft of the stirring motor is connected with the upper end of a stirring rod through a coupler, an executing stirring mechanism is arranged on the stirring rod, and an auxiliary filtering mechanism is arranged on the lower side of the stirring rod. The invention can solve the following problems existing in the pretreatment process of manufacturing the methane by the prior waste garbage, a, the waste garbage needs to be manually crushed and processed before being conveyed to the methane tank, the whole waste garbage is simply crushed by the traditional crushing mode, the crushed garbage has different caking sizes, the fermentation efficiency is influenced, the waste garbage can not be fully utilized, b, the crushed garbage can not be simultaneously filtered by the traditional crushing mode, the waste garbage needs to be treated by a screening tool when being filtered, and the filtering efficiency is easily influenced because the garbage is blocked by a filtering screen due to large caking.
Description
Technical Field
The invention relates to the technical field of biogas power generation equipment, in particular to biogas fermentation power generation pretreatment equipment.
Background
The biogas combustion power generation is a biogas utilization technology which appears along with the continuous development of large-scale biogas pool construction and biogas comprehensive utilization, biogas generated by anaerobic fermentation treatment is used on an engine, a comprehensive power generation device is arranged to generate electric energy and heat energy, and waste materials are generally large in area before being put into a biogas pool and need to be treated.
However, the following difficult problems of current waste rubbish in preparation marsh gas pretreatment process exist, a, waste rubbish needs the manual work to carry out shredding before carrying to the methane-generating pit, traditional crushing mode is simple smashes monoblock waste rubbish, kibbling rubbish caking is not of uniform size, influence the efficiency of fermentation, unable abundant utilization, b, traditional crushing mode can't carry out filtration treatment to kibbling rubbish simultaneously, must handle with the help of screening tool when needing to filter, easily lead to filterable screen cloth jam because the rubbish caking greatly in the filtration, influence filterable efficiency.
For the technical problems existing in the prior pretreatment process of biogas power generation, persons in the related technical field have made adaptive improvements after research and study, for example, the device for treating domestic garbage generating biogas of the chinese utility model with patent number 2015206058684 can separate the liquid in the biogas, but the problem existing in the pretreatment process of manufacturing biogas of the above-mentioned waste garbage is not mentioned.
Disclosure of Invention
In order to solve the problems, the invention provides a pretreatment device for biogas fermentation power generation, which can solve the problems of the waste garbage in the pretreatment process of manufacturing biogas.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a pretreatment device for biogas fermentation power generation comprises a stirring frame, wherein a feed inlet is formed in the stirring frame, a stirring motor is installed on the inner wall of the stirring frame, an output shaft of the stirring motor is connected with the upper end of a stirring rod through a coupler, the lower end of the stirring rod is installed on the inner wall of the stirring frame through a bearing, an executing stirring mechanism is arranged on the stirring rod, and an auxiliary filtering mechanism is arranged on the lower side of the stirring rod;
the executing stirring mechanism comprises a mounting block mounted on a stirring rod, stirring shafts are uniformly arranged on the mounting block along the circumferential direction of the mounting block, the stirring shafts penetrate through a supporting sleeve ring through a bearing, the supporting sleeve ring is connected with an annular guide rail in a sliding fit mode, the annular guide rail is arranged on the inner wall of a stirring frame, a control inner ring is arranged on the inner wall of the stirring frame and is positioned on the upper side of the annular guide rail, a rotating bevel gear is arranged at the lower end of the supporting sleeve ring, and a linkage stirring branch chain is arranged at the lower end of the rotating bevel gear;
the utility model discloses a filter, including installing the filter on stirring frame inner wall, the filter is including the filter of installing, evenly be provided with the filtration pore on the filter, the filter passes through the bearing and connects on the puddler, the lift spring pole is installed to the lower extreme of filter, the lower extreme slidable mounting of lift spring pole has supplementary lifter plate, supplementary lifter plate slides and sets up on the puddler, evenly be provided with supplementary awl on the supplementary lifter plate, supplementary awl is located and filters the pore under, and evenly be provided with the hole that leaks on the supplementary lifter plate, the lower extreme of supplementary lifter plate is provided with the auxiliary rod, the auxiliary rod supports and leans on supplementary ring, the up end of supplementary ring is uneven structure, supplementary ring is fixed on the puddler.
Further, the cover is equipped with driven bevel gear on the outer wall of (mixing) shaft, driven bevel gear meshes on fixed bevel gear, and fixed bevel gear overlaps and establishes on the inner wall of stirring frame, and the (mixing) shaft is hollow structure, has evenly seted up the sliding tray along its circumference direction on the (mixing) shaft, and the internally mounted of (mixing) shaft has reset spring pole, is connected with the slide bar on the reset spring pole, and the slide bar runs through the (mixing) shaft and supports and circle in the control, and the sliding tray evenly is provided with the stirring claw through the sliding fit mode, and the stirring claw is connected on the slide.
Furthermore, the linkage stirring branch chain comprises a rotating block which is arranged on the stirring rod through a bearing, the rotating block is connected with one end of the rotating shaft through the bearing, the other end of the rotating shaft is arranged on the inner wall of the stirring frame through the bearing, the stirring rod is uniformly arranged on the rotating shaft, a linkage bevel gear is sleeved on the outer wall of the stirring shaft, and the linkage bevel gear is meshed with the rotation bevel gear.
Furthermore, the lower end face of the stirring frame is composed of a guide ring and a guide frame, the inner wall of the stirring frame is provided with the guide ring, the guide frame is connected to the guide ring, the guide frame and the guide ring are of an integrated structure, and the guide frame is uniformly provided with discharge holes along the circumferential direction.
Furthermore, the guide ring is of a downward inclined structure from outside to inside, and the guide frame is of a downward inclined structure from inside to outside.
Furthermore, the end face of the control inner ring contacting with the sliding rod is of a rugged structure.
1. The invention can solve the following problems existing in the pretreatment process of manufacturing the methane by the prior waste garbage, a, the waste garbage needs to be manually crushed and processed before being conveyed to the methane tank, the whole waste garbage is simply crushed by the traditional crushing mode, the crushed garbage has different caking sizes, the fermentation efficiency is influenced, the waste garbage can not be fully utilized, b, the crushed garbage can not be simultaneously filtered by the traditional crushing mode, the waste garbage needs to be treated by a screening tool when being filtered, and the filtering efficiency is easily influenced because the garbage is blocked by a filtering screen due to large caking. The present invention can solve the problems mentioned above, and has unexpected effects.
2. The designed executing stirring mechanism controls the stirring claw to perform rotary crushing operation on a horizontal plane and a vertical plane through single driving of the stirring rod, the stirring shaft drives the sliding rod to rotate in the operation, and the contact position of the sliding rod and the control inner ring is changed, so that the stirring claw is driven to perform reciprocating movement operation, and the stirring claw is controlled to perform crushing operation in multiple free directions.
3. The auxiliary lifting plate drives the auxiliary cone to clean the filtering holes in operation, so that the filtering holes are prevented from being blocked by garbage, and the garbage can be smoothly discharged from the filtering holes.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic structural diagram of a stirring frame and a stirring executing mechanism (viewed from bottom to top) according to the present invention;
FIG. 3 is a schematic view of the structure between the stirring rod and the auxiliary ring;
FIG. 4 is a schematic structural view of a stirring frame of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 according to the present invention in the X direction;
fig. 6 is a Y-direction partially enlarged view of fig. 1 of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a pretreatment device for biogas fermentation power generation comprises a stirring frame 1, wherein a feed inlet is arranged on the stirring frame 1, a stirring motor 2 is arranged on the inner wall of the stirring frame 1, an output shaft of the stirring motor 2 is connected with the upper end of a stirring rod 3 through a coupler, the lower end of the stirring rod 3 is arranged on the inner wall of the stirring frame 1 through a bearing, an executing stirring mechanism 4 is arranged on the stirring rod 3, and an auxiliary filtering mechanism 5 is arranged on the lower side of the stirring rod 3.
The executing stirring mechanism 4 comprises a mounting block 41 mounted on the stirring rod 3, stirring shafts 42 are uniformly arranged on the mounting block 41 along the circumferential direction of the mounting block, the stirring shafts 42 penetrate through a supporting sleeve ring 44 through bearings, the supporting sleeve ring 44 is connected with an annular guide rail 45 in a sliding fit mode, the annular guide rail 45 is arranged on the inner wall of the stirring frame 1, a control inner ring 46 is arranged on the inner wall of the stirring frame 1, the control inner ring 46 is positioned on the upper side of the annular guide rail 45, a rotating bevel gear 47 is arranged at the lower end of the supporting sleeve ring 44, and a linkage stirring branched chain 48 is arranged at the lower end of the rotating bevel gear;
the stirring rod 3 drives the stirring shaft 42 to rotate in a plane in the rotating operation, the stirring shaft 42 drives the stirring claws 425 to rotate in the plane to crush the garbage in the stirring frame 1 in the operation, the stirring shaft 42 synchronously drives the supporting sleeve ring 44 to rotate in the rotation, and the supporting sleeve ring 44 drives the linkage stirring branch chain 48 to synchronously crush the garbage in the stirring frame 1 in the rotating operation.
The cover is equipped with driven bevel gear 421 on the outer wall of (mixing) shaft 42, driven bevel gear 421 meshes on fixed bevel gear 422, fixed bevel gear 422 cover is established on the inner wall of stirring frame 1, (mixing) shaft 42 is hollow structure, the sliding tray has evenly been seted up along its circumferential direction on the (mixing) shaft 42, the internally mounted of (mixing) shaft 42 has reset spring pole 423, be connected with slide bar 424 on the reset spring pole 423, slide bar 424 runs through (mixing) shaft 42 and supports and lean on control inner circle 46, the sliding tray evenly is provided with stirring claw 425 through the sliding fit mode, stirring claw 425 connects on slide bar 424. The end surface of the control inner ring 46 contacting the slide rod 424 is rugged.
The stirring shaft 42 drives the driven bevel gear 421 and the fixed bevel gear 422 to be mutually matched and meshed during rotation, so that the stirring shaft 42 is driven to rotate longitudinally through the transmission mode of the gears, the stirring claw 425 is controlled to rotate horizontally and vertically through single driving of the stirring rod 3, the stirring shaft 42 drives the sliding rod 424 to rotate during operation, the contact position of the sliding rod 424 and the control inner ring 46 is changed, the stirring claw 425 is driven to move in a reciprocating mode, and then the stirring claw 425 is controlled to perform crushing operation in multiple free directions.
The linkage stirring branch chain 48 comprises a rotating block 481 arranged on the stirring rod 3 through a bearing, the rotating block 481 is connected with one end of a rotating shaft 482 through a bearing, the other end of the rotating shaft 482 is arranged on the inner wall of the stirring frame 1 through a bearing, the stirring rod 3 is uniformly arranged on the rotating shaft 482, a linkage bevel gear 483 is sleeved on the outer wall of the stirring shaft 42, and the linkage bevel gear 483 is meshed with the rotating bevel gear 47.
The support lantern ring 44 drives the rotation bevel gear 47 to rotate in the rotation operation, the rotation bevel gear 47 drives the linkage bevel gear 483 to rotate, the linkage bevel gear 483 controls the rotation shaft 482 to rotate in the rotation operation, and the rotation shaft 482 drives the stirring rod 3 to further crush the garbage in the stirring frame 1.
The auxiliary filtering mechanism 5 comprises a filtering plate 51 installed on the inner wall of the stirring frame 1, filter holes are evenly formed in the filtering plate 51, the filtering plate 51 is connected to the stirring rod 3 through a bearing, a lifting spring rod 52 is installed at the lower end of the filtering plate 51, an auxiliary lifting plate 53 is installed at the lower end of the lifting spring rod 52 in a sliding mode, the auxiliary lifting plate 53 is arranged on the stirring rod 3 in a sliding mode, auxiliary cones 54 are evenly arranged on the auxiliary lifting plate 53, the auxiliary cones 54 are located under the filter holes, material leakage holes are evenly formed in the auxiliary lifting plate 53, auxiliary lifting plates 53 are provided with auxiliary rods 55 at the lower ends, the auxiliary rods 55 are abutted to the auxiliary rings 56, the upper end faces of the auxiliary rings 56 are of uneven structures, and the auxiliary rings 56 are fixed to the stirring rod 3.
The rubbish after smashing is discharged from the filtration pore on the filter plate 51, in order to prevent rubbish jam filter pore in the filtering operation, puddler 3 control supplementary ring 56 in the rotation operation and rotate, supplementary ring 56 drives supplementary lifter plate 53 through mutually supporting between with auxiliary rod 55 in the rotation operation and goes up and down the operation, supplementary lifter plate 53 drives supplementary awl 54 in the operation and clears up the filtration pore, thereby prevent rubbish jam filter pore, ensure that rubbish can be smooth discharge from the filtration pore.
The lower end face of the stirring frame 1 is composed of a guide ring 11 and a guide frame 12, the inner wall of the stirring frame 1 is provided with the guide ring 11, the guide frame 12 is connected to the guide ring 11, the guide frame 12 and the guide ring 11 are of an integrally formed structure, discharge holes are uniformly formed in the guide frame 12 along the circumferential direction of the guide frame, the guide ring 11 is of a downward inclined structure from outside to inside, and the guide frame 12 is of a downward inclined structure from inside to outside. Is convenient for being discharged from the discharge hole after being crushed and filtered.
During operation, waste garbage is injected into the stirring frame 1 through the feeding hole, the stirring rod 3 is controlled by the stirring motor 2 to rotate, the stirring rod 3 controls the execution stirring mechanism 4 to fully mix, stir and process the garbage in the rotating operation, and the auxiliary filtering mechanism 5 filters the crushed garbage.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a processing equipment before marsh gas fermentation electricity generation, includes stirring frame (1), its characterized in that: a stirring motor (2) is installed on the inner wall of the stirring frame (1), an output shaft of the stirring motor (2) is connected with the upper end of a stirring rod (3) through a coupler, the lower end of the stirring rod (3) is installed on the inner wall of the stirring frame (1) through a bearing, an executing stirring mechanism (4) is arranged on the stirring rod (3), and an auxiliary filtering mechanism (5) is arranged on the lower side of the stirring rod (3);
the stirring execution mechanism (4) comprises a mounting block (41) mounted on the stirring rod (3), stirring shafts (42) are uniformly arranged on the mounting block (41) along the circumferential direction of the mounting block, the stirring shafts (42) penetrate through a supporting sleeve ring (44) through bearings, the supporting sleeve ring (44) is connected with an annular guide rail (45) in a sliding fit mode, the annular guide rail (45) is arranged on the inner wall of the stirring frame (1), a control inner ring (46) is arranged on the inner wall of the stirring frame (1), the control inner ring (46) is located on the upper side of the annular guide rail (45), a rotating bevel gear (47) is arranged at the lower end of the supporting sleeve ring (44), and a linkage stirring branch chain (48) is arranged at the lower end of the rotating bevel gear;
the auxiliary filtering mechanism (5) comprises a filtering plate (51) arranged on the inner wall of the stirring frame (1), filtering holes are uniformly formed in the filtering plate (51), the filtering plate (51) is connected to the stirring rod (3) through a bearing, a lifting spring rod (52) is arranged at the lower end of the filtering plate (51), an auxiliary lifting plate (53) is arranged at the lower end of the lifting spring rod (52) in a sliding manner, the auxiliary lifting plate (53) is arranged on the stirring rod (3) in a sliding manner, auxiliary cones (54) are uniformly arranged on the auxiliary lifting plate (53), and the auxiliary cones (54) are positioned right below the filtering holes, and evenly be provided with the hole of leaking on supplementary lifter plate (53), the lower extreme of supplementary lifter plate (53) is provided with auxiliary rod (55), and auxiliary rod (55) support by on supplementary ring (56), and the up end of supplementary ring (56) is unevenness structure, and supplementary ring (56) are fixed on puddler (3).
2. The pretreatment equipment for biogas fermentation power generation according to claim 1, characterized in that: the cover is equipped with driven bevel gear (421) on the outer wall of (mixing) shaft (42), driven bevel gear (421) meshing is on fixed bevel gear (422), fixed bevel gear (422) cover is established on the inner wall of stirring frame (1), (mixing) shaft (42) are hollow structure, the sliding tray has evenly been seted up along its circumferential direction on (mixing) shaft (42), the internally mounted of (mixing) shaft (42) has reset spring pole (423), be connected with slide bar (424) on reset spring pole (423), slide bar (424) run through (mixing) shaft (42) and lean on control inner circle (46), the sliding tray evenly is provided with stirring claw (425) through sliding fit, stirring claw (425) are connected on slide bar (424).
3. The pretreatment equipment for biogas fermentation power generation according to claim 1, characterized in that: linkage stirring branch (48) are including installing turning block (481) on puddler (3) through the bearing, link to each other through the one end of bearing with axis of rotation (482) on turning block (481), and the other end of axis of rotation (482) passes through the bearing and installs on the inner wall of stirring frame (1), evenly is provided with puddler (3) on axis of rotation (482), and the cover is equipped with linkage bevel gear (483) on the outer wall of (mixing) shaft (42), and linkage bevel gear (483) meshing is on rotation bevel gear (47).
4. The pretreatment equipment for biogas fermentation power generation according to claim 1, characterized in that: the lower end face of the stirring frame (1) is composed of a guide ring (11) and a guide frame (12), the guide ring (11) is arranged on the inner wall of the stirring frame (1), the guide frame (12) is connected to the guide ring (11), the guide frame (12) and the guide ring (11) are of an integrated structure, and discharge holes are uniformly formed in the guide frame (12) along the circumferential direction of the guide frame.
5. The pretreatment equipment for biogas fermentation power generation according to claim 4, characterized in that: the guide ring (11) is of a downward inclined structure from outside to inside, and the guide frame (12) is of a downward inclined structure from inside to outside.
6. The pretreatment equipment for biogas fermentation power generation according to claim 2, characterized in that: the end face of the control inner ring (46) contacting with the sliding rod (424) is of a rugged structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046629.5A CN111187710B (en) | 2020-01-16 | 2020-01-16 | Pretreatment equipment for biogas fermentation power generation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046629.5A CN111187710B (en) | 2020-01-16 | 2020-01-16 | Pretreatment equipment for biogas fermentation power generation |
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| Publication Number | Publication Date |
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| CN111187710A true CN111187710A (en) | 2020-05-22 |
| CN111187710B CN111187710B (en) | 2020-09-18 |
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| CN202010046629.5A Active CN111187710B (en) | 2020-01-16 | 2020-01-16 | Pretreatment equipment for biogas fermentation power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564019A (en) * | 2021-08-11 | 2021-10-29 | 重庆灏宁生物技术有限公司 | Equipment and method for recovering humic acid by sludge fermentation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0841862A (en) * | 1994-07-26 | 1996-02-13 | Morihide Hashimoto | Soil improvement device |
| JP2002126486A (en) * | 2000-10-30 | 2002-05-08 | Nakaken:Kk | Mixer for production of improved soil |
| JP2015073963A (en) * | 2013-10-10 | 2015-04-20 | 株式会社カジワラ | Agitation device |
| DE212017000010U1 (en) * | 2017-09-30 | 2017-12-15 | Junfeng Xu | Wastewater filter device, which can prevent the clogging of filter screens |
| CN209576657U (en) * | 2018-12-18 | 2019-11-05 | 江阴长盛化工有限公司 | MPE heat-sensitive paper color fixing agent production decoloration filter-pressing cauldron |
-
2020
- 2020-01-16 CN CN202010046629.5A patent/CN111187710B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0841862A (en) * | 1994-07-26 | 1996-02-13 | Morihide Hashimoto | Soil improvement device |
| JP2002126486A (en) * | 2000-10-30 | 2002-05-08 | Nakaken:Kk | Mixer for production of improved soil |
| JP2015073963A (en) * | 2013-10-10 | 2015-04-20 | 株式会社カジワラ | Agitation device |
| DE212017000010U1 (en) * | 2017-09-30 | 2017-12-15 | Junfeng Xu | Wastewater filter device, which can prevent the clogging of filter screens |
| CN209576657U (en) * | 2018-12-18 | 2019-11-05 | 江阴长盛化工有限公司 | MPE heat-sensitive paper color fixing agent production decoloration filter-pressing cauldron |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564019A (en) * | 2021-08-11 | 2021-10-29 | 重庆灏宁生物技术有限公司 | Equipment and method for recovering humic acid by sludge fermentation |
| CN113564019B (en) * | 2021-08-11 | 2024-04-02 | 重庆灏宁生物技术有限公司 | Equipment and method for recycling humic acid by sludge fermentation |
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| CN111187710B (en) | 2020-09-18 |
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