CN113069818A - Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof - Google Patents

Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof Download PDF

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Publication number
CN113069818A
CN113069818A CN202110413168.5A CN202110413168A CN113069818A CN 113069818 A CN113069818 A CN 113069818A CN 202110413168 A CN202110413168 A CN 202110413168A CN 113069818 A CN113069818 A CN 113069818A
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CN
China
Prior art keywords
thick bamboo
liquid separation
wet
wall
half section
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Withdrawn
Application number
CN202110413168.5A
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Chinese (zh)
Inventor
陈建敏
张泽明
杜立鹏
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Nanjing Halls Biological Technology Co Ltd
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Nanjing Halls Biological Technology Co Ltd
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Application filed by Nanjing Halls Biological Technology Co Ltd filed Critical Nanjing Halls Biological Technology Co Ltd
Priority to CN202110413168.5A priority Critical patent/CN113069818A/en
Publication of CN113069818A publication Critical patent/CN113069818A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/06Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D33/00Filters with filtering elements which move during the filtering operation
    • B01D33/58Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/66Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a treatment device capable of carrying out liquid separation on wet garbage and a liquid separation method thereof, and relates to the related technical field of wet garbage treatment devices. Through the cooperation use between each above device, can handle respectively the mobile water and the non-mobile water in the wet rubbish, promote liquid separation's effect, can also prevent to cause the pollution to the atmosphere.

Description

Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof
Technical Field
The invention relates to the technical field related to wet garbage treatment equipment, in particular to treatment equipment capable of carrying out liquid separation on wet garbage and a liquid separation method thereof.
Background
In order to create a better ecological environment, the existing household garbage is mostly treated in a classified mode, for wet garbage, the existing wet garbage treatment mode is mainly drying and crushing, water is converted into water vapor to be diffused into the atmosphere in the drying process of the wet garbage, but the diffusion of peculiar smell is also accompanied when the water vapor is diffused into the atmosphere, so that the surrounding air environment is easily influenced, and the propagation of bacteria is easily caused, therefore, the wet garbage solid-liquid separation treatment equipment capable of directly carrying out solid-liquid separation on the wet garbage and preventing the diffusion of the peculiar smell is specially provided.
Disclosure of Invention
The present invention is directed to a treatment apparatus capable of performing liquid separation on wet garbage and a liquid separation method thereof, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: can carry out liquid separation's treatment facility to wet rubbish, including the box that is used for holding wet rubbish, the internally mounted of box has by motor drive's bull stick, and the middle part department of bull stick installs the rotary drum, and the water hole has been seted up to the outer wall of rotary drum, and the rotary drum is including fixed half a section of thick bamboo and movable half a section of thick bamboo, and the center department of fixed half a section of thick bamboo tip is fixed with the bull stick, and the lateral wall of movable half a section of thick bamboo is articulated with the lateral wall of fixed half a section of thick bamboo, can make wet rubbish more convenient to.
In a further embodiment, the side walls of the end parts of the fixed half cylinder and the movable half cylinder are provided with movable grooves, the inside of each movable groove is slidably provided with a sliding plate, the side surface of each sliding plate is provided with a through hole with the same size as the water hole, the side walls of the end parts of the fixed half cylinder and the movable half cylinder are provided with sliding holes communicated with the movable grooves, the inside of each sliding hole is provided with a connecting ring, the side wall of the connecting ring close to one end of the sliding plate is connected with the side wall of the end part of the sliding plate through a connecting plate, the coincidence position between the sliding plate and the water hole is changed, and the space state inside.
In further embodiment, the internally mounted of slide opening has the slip lead screw of its outer wall and go-between inner wall meshing, the lateral wall of fixed half section of thick bamboo and activity half section of thick bamboo tip department is fixed with the motor that is used for driving the slip lead screw, the lateral wall of fixed half section of thick bamboo and activity half section of thick bamboo tip all is connected with the atress board through electric telescopic handle, the side of atress board is connected with the side of fixed half section of thick bamboo and activity half section of thick bamboo tip respectively through flexible pipe, the outer wall of flexible pipe has cup jointed synchronous sleeve, the inside atmospheric pressure of rotary drum can be changed in the motion of atress board, change the boiling point of moisture in the wet rubbish, and then change.
In further embodiment, synchronous sleeve includes riser and diaphragm, riser and diaphragm all are provided with a plurality ofly, and mutually perpendicular between a plurality of risers and a plurality of diaphragms, the riser comprises a plurality of movable block, articulated each other between a plurality of movable block, the movable block that is in same horizontal direction passes through the diaphragm and connects, and articulated between diaphragm and the movable block, flexible pipe communicates with each other with the inside of fixed half a section of thick bamboo and activity half a section of thick bamboo, can prevent that flexible pipe from producing deformation, can make the change of the inside atmospheric pressure of rotary drum more stable.
In further embodiment, a closed groove and a closed rod are respectively arranged at the joint between the fixed half cylinder and the movable half cylinder, the closed rod is connected with the closed groove in an inserting mode, the side walls of the fixed half cylinder and the movable half cylinder are further provided with a chute, an air belt is fixed inside the chute, air is filled inside the air belt, the inner wall of the chute is attached to the air belt, and the air tightness inside the rotary cylinder is improved.
In a further embodiment, the fixed half cylinder and the movable half cylinder are internally provided with a heating chamber, and the heating chamber is internally provided with a heating wire.
In a further embodiment, one end of the connecting plate close to the connecting ring is of a U-shaped structure, and the outer wall of the connecting plate is attached to the inner wall of the sliding hole.
The treatment equipment capable of carrying out liquid separation on wet garbage and the liquid separation method thereof specifically comprise the following steps:
t1, wet garbage is placed in the rotary drum, the rotary rod drives the rotary drum to rotate at a high speed, liquid water in the wet garbage can penetrate through the water holes to be separated from the rotary drum under the action of centrifugal force, and the content of residual water in the wet garbage is reduced;
t2, the slide is when the movable trough is inside to slide, can implement sealedly to the water hole, the heating wire heats the rotary drum, accelerate the evaporation rate of moisture in the wet rubbish, and make the inside space grow of flexible pipe through the atress board, can reduce the inside atmospheric pressure of rotary drum, borrow this to reduce moisture boiling point in the wet rubbish, can further promote the evaporation rate of moisture in the wet rubbish, and can make moisture evaporation's more thorough in the wet rubbish, afterwards, the slip through the slide of slide once more, make the water hole switch on once more, moisture in the wet rubbish is discharged from the water hole once more, because the difference in temperature between the rotary drum inside and its external environment, the water vapor liquefaction, the box can realize the collection to moisture in the wet rubbish, avoid the pollution to atmospheric environment.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a treatment device capable of carrying out liquid separation on wet garbage and a liquid separation method thereof.A rotating rod drives a rotating drum to rotate, so that flowable water in the wet garbage can be subjected to centrifugal force and can pass through water holes to be separated from the rotating drum, the interior of the rotating drum can be in a negative pressure state through the movement of a stress plate and a sliding plate, the wet garbage is heated through the rotating drum by an electric heating wire, so that non-flowing water in the wet garbage can be quickly vaporized, and vapor-state water can pass through the water holes to be quickly separated in the rotating drum 3 through the movement of the sliding plate and the stress plate, so that the separation of moisture in the wet garbage can be realized, and the moisture in the wet garbage can be prevented from influencing the atmospheric environment.
Drawings
FIG. 1 is a schematic structural diagram of a case according to an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a view showing the structure of a drum according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3;
FIG. 5 is a block diagram of a stationary half cylinder according to an embodiment of the present invention;
fig. 6 is a structure view of a riser according to an embodiment of the invention.
In the figure: 1. a box body; 2. a rotating rod; 3. a rotating drum; 31. fixing the half cylinder; 32. a movable half cylinder; 33. a movable groove; 34. a slide plate; 35. a through hole; 36. a slide hole; 37. a connecting ring; 38. connecting plates; 4. a water pore; 41. a stress plate; 42. a telescopic pipe; 43. a synchronizing sleeve; 44. a vertical plate; 45. a transverse plate; 46. a movable block; 47. a sliding screw rod; 5. closing the groove; 51. a closing rod; 53. a chute; 54. an air belt; 6. a heating cavity; 61. a heating wire.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
Example 1
Please refer to fig. 1-4, the present embodiment provides a processing apparatus capable of performing liquid separation on wet garbage, which includes a box 1 for containing the wet garbage, a rotating rod 2 driven by a motor is installed inside the box 1, a rotating drum 3 is installed in the middle of the rotating rod 2, a water hole 4 is opened on the outer wall of the rotating drum 3, the rotating drum 3 includes a fixed half drum 31 and a movable half drum 32, the center of the end of the fixed half drum 31 is fixed to the rotating rod 2, the side wall of the movable half drum 32 is hinged to the side wall of the fixed half drum 31, wherein the rotating drum 3 is in a cylindrical structure, the wet garbage is placed inside the rotating drum 3, the rotating rod 2 drives the rotating drum 3 to rotate at a high speed, and under the action of centrifugal force, flowing water left in the wet garbage can pass through the water hole 4 to be separated from.
Divide into two parts of fixed half a section of thick bamboo 31 and the half section of thick bamboo 32 of activity with rotary drum 3, can make things convenient for wet rubbish to the inside of rotary drum 3 to be transported, preferred, the center pin of rotary drum 3 and the center pin coincidence of bull stick 2 can make rotary drum 3 follow bull stick 2 and rotate more smoothly, can also make wet rubbish receive comparatively even centrifugal force simultaneously, are favorable to the discharge of moisture.
In order to switch the internal space of the rotary drum 3 between a closed state and an open state, the side walls of the end parts of the fixed half drum 31 and the movable half drum 32 are provided with movable grooves 33, sliding plates 34 are slidably mounted inside the movable grooves 33, the side surfaces of the sliding plates 34 are provided with through holes 35 with the same size as the water holes 4, when the through holes 35 are overlapped with the water holes 4, the internal space of the rotary drum 3 is in an open state, when the positions of the through holes 35 are separated from the positions of the water holes 4, the sliding plates 34 between the adjacent through holes 35 are overlapped with the water holes 4, the water holes 4 can be closed, and the internal space of the rotary drum 3 is in a closed state.
In order to facilitate the switching between the closed state and the open state of the internal space of the rotary drum 3, the side walls at the end parts of the fixed half drum 31 and the movable half drum 32 are respectively provided with a slide hole 36 communicated with the movable groove 33, a connecting ring 37 is arranged inside the slide hole 36, the side wall of one end, close to the slide plate 34, of the connecting ring 37 is connected with the side wall at the end part of the slide plate 34 through a connecting plate 38, when the slide screw 47 rotates, the connecting ring 37 is meshed with the outer wall of the slide screw, the connecting ring 37 can drag the slide plate 34 to slide inside the movable groove 33 through the connecting plate 38, the state of the internal space of the rotary drum 3 can be changed, and meanwhile, through the meshing between the connecting ring 37 and the slide screw 47, the position of the slide plate 34 inside the movable groove 33 can be fixed, and.
In order to change the air pressure inside the rotary drum 3, the extension tube 42 is communicated with the insides of the fixed half-drum 31 and the movable half-drum 32, a sliding screw rod 47 of which the outer wall is meshed with the inner wall of the connecting ring 37 is installed inside the sliding hole 36, motors for driving the sliding screw rod 47 are fixed on the side walls at the end parts of the fixed half-drum 31 and the movable half-drum 32, the side walls at the end parts of the fixed half-drum 31 and the movable half-drum 32 are both connected with a stress plate 41 through an electric extension rod, the side surface of the stress plate 41 is respectively connected with the side surfaces at the end parts of the fixed half-drum 31 and the movable half-drum 32 through the extension tube 42, the outer wall of the extension tube 42 is sleeved with a synchronous sleeve 43, and when the electric, due to the expansion of the internal space of the bellows 42, the air inside the drum 3 can be expanded, and the air pressure inside the drum 3 can be reduced.
Wherein, when electric telescopic handle drives stress plate 41 and is close to towards the tip of rotary drum 3, the inside steam of collecting of flexible pipe 42 can be let in the inside of rotary drum 3, borrows water hole 4 again, can realize the emission of steam to the rotary drum 3 outside.
Preferably, through the reduction of the inside atmospheric pressure of rotary drum 3, can effectively reduce the boiling point of moisture in the wet rubbish, and then can make moisture evaporate more easily, promote the effect of wet rubbish moisture separation, wherein, electric telescopic handle is the electric drive device who changes the linear reciprocating motion of motor rotary motion into the push rod among the prior art.
In order to improve the air tightness inside the rotary drum 3, a sealing groove 5 and a sealing rod 51 are respectively arranged at the joint between the fixed half drum 31 and the movable half drum 32, the sealing rod 51 is inserted into the sealing groove 5, preferably, the sealing rod 51 and the sealing groove 5 are both frame-shaped structures with two closed ends, so that the sealing rod 51 and the sealing groove 5 are conveniently connected, the sealing rod 51 and the sealing groove 5 are both frustum-shaped structures, a sealing strip made of rubber is arranged on the outer wall of the sealing rod 51, when the fixed half drum 31 and the movable half drum 32 are mutually jointed, the sealing rod 51 can be inserted into the sealing groove 5, the sealing of the inner space of the rotary drum 3 is realized, the sealing strip made of rubber can further eliminate a gap between the sealing groove 5 and the sealing rod 51, and the air tightness is improved.
In order to further improve the air tightness inside the rotary drum 3, the side walls of the fixed half drum 31 and the movable half drum 32 are further provided with a chute 53, an air belt 54 is fixed inside the chute 53, the air belt 54 is filled with air, the inner wall of the chute 53 is attached to the air belt 54, when the air pressure inside the rotary drum 3 is reduced, the air pressure inside the air belt 54 is larger than the air pressure inside the rotary drum 3, the air belt 54 expands under the action of air pressure difference, the gap between the movable half drum 32 and the fixed half drum 31 can be further filled, and the air tightness inside the rotary drum 3 can be further effectively improved.
In order to improve the rate of water evaporation in the wet garbage, the heating cavity 6 is arranged inside the fixed half cylinder 31 and the movable half cylinder 32, the heating wire 61 is arranged inside the heating cavity 6, when the heating wire 61 is electrified, the heating operation can be performed on the wet garbage through heat conduction of the inner wall of the rotary cylinder 3, under the combined action of air pressure reduction inside the rotary cylinder 3 and heat generation of the heating wire 61, the water in the wet garbage can be quickly vaporized, and when the stress plate 41 and the sliding plate 34 are reset, the vaporized water can pass through the water hole 4 to be discharged, so that the separation of non-flowing water in the wet garbage is realized.
In order to make the resultant force direction of the stress of the sliding plate 34 consistent with the sliding direction of the sliding plate, one end of the connecting plate 38 close to the connecting ring 37 is of a U-shaped structure, the outer wall of the connecting plate 38 is attached to the inner wall of the sliding hole 36, when the connecting plate 38 of the U-shaped structure can make the sliding plate and the sliding screw rod 47 rotate relatively, the sliding of the connecting plate in the sliding hole 36 is smoother, and by attaching the outer wall of the connecting plate to the inner wall of the sliding hole 36, the connecting plate 38 can be effectively prevented from shaking in the sliding hole 36, and further, the sliding direction of the sliding plate 34 is consistent with the resultant force direction of the self stress, so that the sliding plate 34 can be effectively prevented from being deformed, the air tightness in the rotary drum 3 is ensured, and meanwhile, the.
Example 2
Referring to fig. 5-6, a further improvement is made on the basis of embodiment 1: in order to prevent when the inside atmospheric pressure of rotary drum 3 from reducing, flexible pipe 42 produces deformation, synchronous sleeve 43 includes riser 44 and horizontal plate 45, riser 44 and horizontal plate 45 all are provided with a plurality ofly, and mutually perpendicular between a plurality of risers 44 and a plurality of horizontal plate 45, riser 44 comprises a plurality of movable blocks 46, it is articulated each other between a plurality of movable blocks 46, movable blocks 46 that are in same horizontal direction pass through horizontal plate 45 and connect, and articulated between horizontal plate 45 and the movable blocks 46, the frame that forms through riser 44 and horizontal plate 45 can support the outer wall of flexible pipe 42, can prevent flexible pipe 42 from producing deformation, and then can make the change of the inside atmospheric pressure of rotary drum 3 effectively executed.
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. Can carry out liquid separation's treatment facility to wet rubbish, including box (1) that is used for holding wet rubbish, its characterized in that: the improved water-saving box is characterized in that a rotating rod (2) driven by a motor is mounted inside the box body (1), a rotating cylinder (3) is mounted in the middle of the rotating rod (2), a water hole (4) is formed in the outer wall of the rotating cylinder (3), the rotating cylinder (3) comprises a fixed half cylinder (31) and a movable half cylinder (32), the center of the end of the fixed half cylinder (31) is fixed to the rotating rod (2), and the side wall of the movable half cylinder (32) is hinged to the side wall of the fixed half cylinder (31).
2. A treatment plant capable of liquid separation of wet waste, according to claim 1, characterized in that: activity groove (33) have been seted up to the lateral wall of fixed half a section of thick bamboo (31) and the half section of thick bamboo (32) tip department of activity, the inside slidable mounting of activity groove (33) has slide (34), through hole (35) with water hole (4) equidimension are seted up to the side of slide (34), slide hole (36) that link up with activity groove (33) are all seted up to the lateral wall of fixed half a section of thick bamboo (31) and the half section of thick bamboo (32) tip department of activity, the internally mounted of slide hole (36) has go-between (37), the lateral wall that go-between (37) are close to slide (34) one end is through the tip lateral wall connection of link (38) and slide (34).
3. A treatment plant capable of liquid separation of wet waste, according to claim 2, characterized in that: the inner mounting of slide opening (36) has its outer wall and go-between (37) inner wall meshing's slip lead screw (47), the lateral wall of fixed half section of thick bamboo (31) and activity half section of thick bamboo (32) tip department is fixed with the motor that is used for driving slip lead screw (47), the lateral wall of fixed half section of thick bamboo (31) and activity half section of thick bamboo (32) tip all is connected with atress board (41) through electric telescopic handle, the side of atress board (41) is connected with the side of fixed half section of thick bamboo (31) and activity half section of thick bamboo (32) tip respectively through flexible pipe (42), the outer wall of flexible pipe (42) has cup jointed synchronous sleeve (43).
4. A treatment plant capable of liquid separation of wet waste, according to claim 3, characterized in that: synchronous sleeve (43) include riser (44) and diaphragm (45), riser (44) and diaphragm (45) all are provided with a plurality ofly, and mutually perpendicular between a plurality of riser (44) and a plurality of diaphragm (45), riser (44) comprise a plurality of movable block (46), and are a plurality of articulated each other between movable block (46), be in same horizontal direction movable block (46) are connected through diaphragm (45), and articulate between diaphragm (45) and movable block (46), flexible pipe (42) communicate with each other with the inside of fixed half section of thick bamboo (31) and activity half section of thick bamboo (32).
5. A treatment plant capable of liquid separation of wet waste, according to claim 3, characterized in that: respectively be in laminating department between fixed half section of thick bamboo (31) and the activity half section of thick bamboo (32) has seted up closed slot (5) and closed rod (51), peg graft between closed rod (51) and the closed slot (5), chute (53) have still been seted up to the lateral wall of fixed half section of thick bamboo (31) and the activity half section of thick bamboo (32), the inside of chute (53) is fixed with gas band (54), and the inside packing of gas band (54) has gas, the inner wall and the laminating of gas band (54) of chute (53).
6. A treatment plant capable of liquid separation of wet waste, according to claim 5, characterized in that: the heating cavity (6) is arranged in the fixed half barrel (31) and the movable half barrel (32), and a heating wire (61) is arranged in the heating cavity (6).
7. A treatment plant capable of liquid separation of wet waste, according to claim 3, characterized in that: one end of the connecting plate (38) close to the connecting ring (37) is of a U-shaped structure, and the outer wall of the connecting plate (38) is attached to the inner wall of the sliding hole (36).
8. The treatment equipment capable of separating liquid from wet garbage and the liquid separation method thereof are adopted in the treatment equipment capable of separating liquid from wet garbage according to claim 6, and the treatment equipment is characterized by comprising the following steps:
t1, wet garbage is placed in the rotary drum (3), the rotary rod (2) drives the rotary drum (3) to rotate at a high speed, liquid water in the wet garbage can pass through the water holes (4) to be separated from the rotary drum under the action of centrifugal force, and the content of residual water in the wet garbage is reduced;
t2, when the sliding plate (34) slides in the movable groove (33), the water hole (4) can be sealed, the heating wire (61) heats the rotary drum (3) to accelerate the evaporation rate of the moisture in the wet garbage, the space in the extension pipe (42) is enlarged through the stress plate (41), the air pressure in the rotary drum (3) can be reduced, the boiling point of the moisture in the wet garbage is reduced, and the evaporation rate of the moisture in the wet garbage can be further improved.
CN202110413168.5A 2021-04-16 2021-04-16 Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof Withdrawn CN113069818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110413168.5A CN113069818A (en) 2021-04-16 2021-04-16 Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110413168.5A CN113069818A (en) 2021-04-16 2021-04-16 Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof

Publications (1)

Publication Number Publication Date
CN113069818A true CN113069818A (en) 2021-07-06

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Application Number Title Priority Date Filing Date
CN202110413168.5A Withdrawn CN113069818A (en) 2021-04-16 2021-04-16 Treatment equipment capable of performing liquid separation on wet garbage and liquid separation method thereof

Country Status (1)

Country Link
CN (1) CN113069818A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113577886A (en) * 2021-08-05 2021-11-02 李志鹏 Environmental protection device for industrial wastewater desilting
CN113831965A (en) * 2021-10-28 2021-12-24 湖南优镒农业开发有限公司 Tea-seed oil processing is with tea-seed oil precipitate filtering device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113577886A (en) * 2021-08-05 2021-11-02 李志鹏 Environmental protection device for industrial wastewater desilting
CN113831965A (en) * 2021-10-28 2021-12-24 湖南优镒农业开发有限公司 Tea-seed oil processing is with tea-seed oil precipitate filtering device

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Application publication date: 20210706