CN113670012A - Bamboo shoot shell dewatering device - Google Patents
Bamboo shoot shell dewatering device Download PDFInfo
- Publication number
- CN113670012A CN113670012A CN202110741823.XA CN202110741823A CN113670012A CN 113670012 A CN113670012 A CN 113670012A CN 202110741823 A CN202110741823 A CN 202110741823A CN 113670012 A CN113670012 A CN 113670012A
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- baffle
- bamboo shoot
- piston
- rod
- shoot shell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/04—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in presses or clamping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a bamboo shoot shell dehydration device which at least comprises a barrel, wherein the barrel is provided with a feeding port and a discharging port, and the barrel is provided with a plurality of water outlets. The inside piston depression bar that is equipped with the barrel adaptation of barrel, piston depression bar dispose be used for driving the piston depression bar near or keep away from the piston depression bar drive division of discharge gate. The discharge port is connected with a baffle covering a part of the discharge port, and the area of the baffle covering the discharge port can be changed. Through the area that adjustment baffle covered the discharge gate, the piston depression bar can be adjusted when the piston depression bar moves and the pressure that the baffle can provide to the bamboo shoot shell to adjust exhaust bamboo shoot shell water content, realize the changeable function of bamboo shoot shell water content. Moreover, bamboo shoot shell dewatering device realizes squeezing simultaneously by an action and two functions of discharging, helps promoting machining efficiency.
Description
Technical Field
The invention relates to the field of dehydration devices, in particular to a bamboo shoot shell dehydration device.
Background
The bamboo shoot shells are waste materials which can be produced in a large amount in the bamboo shoot processing industry, are collected and then are subjected to multi-stage treatment, and can be prepared into feed and the like for recycling. The moisture content of bamboo shoots is high, and therefore the bamboo shoot shells need to be dehydrated before being processed, so that the moisture content of the bamboo shoot shells is kept within a proper range for subsequent processing. Through engineering practice, the production cost can be effectively controlled by adopting the method of extruding the moisture from the compressed bamboo shoot shells for dehydration treatment, and meanwhile, the required water content requirement can be met by compression and dehydration. The press dehydration device in the prior art comprises a push rod compression type and a screw compression type, but the two types respectively have the following problems:
1. the existing push rod compression type compression dehydration device generally comprises two steps of pressing and conveying, namely, an article is compressed by using one push rod device, and then the article is sent out by using the other push rod device, so that the processing efficiency of the scheme is low;
2. the screw compression type can solve the defect that a push rod compression type device can complete compression, dehydration and delivery in two steps, and articles are gradually moved to an outlet while being compressed. But because the fibre of bamboo shoot shell is comparatively tough, the fibre is difficult for stirring apart at screw rod pivoted in-process to the fibre easily entangles the screw rod and leads to the screw rod unable rotation, thereby leads to the whole unable normal work of device.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: when directly using current compressor arrangement in the bamboo shoot shell compression dehydration field, the efficiency of ordinary push-down formula is lower on the one hand, and the unable normal work for a long time of on the other hand screw.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the invention provides a bamboo shoot shell dehydration device, which at least comprises a cylinder body, wherein the cylinder body is provided with a feeding hole and a discharging hole and is provided with a plurality of water outlets;
a piston compression rod matched with the cylinder is arranged in the cylinder, and the piston compression rod is provided with a piston compression rod driving part for driving the piston compression rod to move;
the discharge hole is connected with a baffle covering part of the discharge hole, and the area of the baffle covering the discharge hole can be changed;
the working state of the piston compression bar comprises a squeezing state and a return state:
when the piston pressing rod is in the squeezing state, the piston pressing rod moves towards one side of the baffle plate and squeezes the bamboo shoot shells together with the baffle plate, and meanwhile, the bamboo shoot shells are discharged from the uncovered part of the discharge hole;
when the piston pressing rod is in the return state, the piston pressing rod moves towards one side far away from the baffle.
The theory of operation of above-mentioned scheme lies in, at the in-process that the plunger rod removed to the baffle, and the bamboo shoot shell is extruded in the lump to baffle and plunger rod to the realization is to the dehydration of bamboo shoot shell, and the delivery port outflow can be followed to the moisture of extrusion. Because the opening and closing degree of the baffle plate can be adjusted, the contact area between the baffle plate and the bamboo shoot shells can be adjusted, when the contact area between the baffle plate and the bamboo shoot shells is small, the area of the discharge port for moving out the bamboo shoot shells is large, the total pressure on the bamboo shoot shells is small, the dehydration effect is weak under comprehensive analysis, and the processed bamboo shoot shells have more moisture; when the area of contact of baffle and bamboo shoot shell is big, the area that discharge gate department can supply the bamboo shoot shell to shift out is less, and contrary with the aforesaid, the bamboo shoot shell after the processing has less moisture.
The advantages of the above scheme include:
1. in the process that the piston compression bar moves to one side of the baffle, only one step is needed, two functions of compressing the bamboo shoot shells and discharging the bamboo shoot shells are achieved, the whole work flow is completed by continuous work steps of one component, and the production efficiency is effectively improved;
2. the piston push rod can isolate the bamboo shoot shells from the piston push rod driving part, and the problem that the piston push rod cannot move due to the bamboo shoot shells is solved;
3. according to the needs of different processing scenes, the bamboo shoot shells with different water contents can be produced through the positions of the adjusting baffle plates, the scheme is very simple, and the use is more diversified.
Preferably, the area of the baffle is smaller than that of the discharge hole; the barrel is provided with a hinged part, the baffle is hinged with the hinged part, and the hinged part is provided with a turnbuckle capable of adjusting tightness; and a traction elastic part is connected between the baffle and the cylinder body.
In the above scheme, through the elasticity degree of adjusting the elasticity bolt, the maximum gradient when can adjusting the baffle and receive the bamboo shoot shell extrusion realizes the function of the biggest switching volume of adjusting the baffle to adjust the water content of handling back bamboo shoot shell. When the elastic bolts are loose, the traction elastic piece generates large deformation to resist pressure, the corresponding baffle plate has larger inclination angle, and the water content of the bamboo shoot shells processed in the state is higher; when the elasticity bolt is tighter, the corresponding elastic traction part deforms less to resist pressure, so that the water content of the bamboo shoot shell after treatment is smaller.
The advantage of the preferred solution as described above is that the structure of the baffle is very simple, the method of installation and adjustment is also very simple, and the production and use costs can be effectively controlled.
Preferably, the baffle is slidably connected with the cylinder.
Furthermore, the baffle is connected with a baffle driving device for driving the baffle to slide, the baffle driving device is connected with a baffle control system, and the baffle control system controls the opening and closing amount of the baffle according to the set percentage moisture content.
The advantage of above-mentioned scheme lies in, can control the water content of dehydration back bamboo shoot shell comparatively accurately to satisfy diversified demand, can accomplish the motion of baffle automatically moreover, it is more convenient to operate.
Preferably, one end of the cylinder body, which is close to the discharge port, is provided with a tapered section, and the inner diameter of the tapered section is gradually reduced from the side far away from the discharge port to the side close to the discharge port.
Preferably, the piston compression bar driving part is a hydraulic driving device, and the piston compression bar is a hydraulic push rod.
The piston compression bar is fixedly connected with the piston compression bar and moves along with the piston compression bar;
the piston compression bar is characterized in that two limiting blocks are arranged on the limiting rod, an identification block is arranged on the moving rod and located between the two limiting blocks, and the identification block is in contact with the limiting blocks, and then the limiting control system drives the piston compression bar to change the moving direction.
Preferably, the cylinder is cylindrical.
Further, the water outlet faces the lower side.
To sum up, the bamboo shoot shell dewatering device that this scheme provided has following advantage:
1. the working efficiency is higher;
2. bamboo shoot shells with different water contents can be produced, and diversified requirements are met;
3. the whole structure is very simple, and the production and use cost is favorably controlled;
4. the feeding port and the discharging port can be respectively connected with the production line, so that the continuous supply and squeezing of the bamboo shoot shells are realized, and the functions of reducing labor intensity and improving efficiency are realized.
Drawings
Fig. 1 is a front view showing a first embodiment of a dehydration apparatus for bamboo shoot shells;
FIG. 2 is a partial cross-sectional view of the barrel portion of the bamboo shoot shell dehydration engine;
FIG. 3 shows a top view of the preferred embodiment;
FIG. 4 is a partial view of portion A of FIG. 3;
FIG. 5 is a top plan view of the barrel portion of the first embodiment;
FIG. 6 is a top plan view of the barrel portion of the second embodiment;
description of reference numerals: 10-cylinder, 11-feeding port, 12-discharging port, 13-water outlet, 14-traction elastic part, 15-tapered section, 2-baffle, 21-hinge part, 3-piston compression bar driving part, 31-piston compression bar, 32-limiting rod, 33-limiting block and 34-identification block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, integrally connected, or detachably connected; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.
As shown in fig. 1 to 3, the bamboo shoot shell dewatering device comprises a cylinder 10, wherein the cylinder 10 is provided with a feeding port 11 and a discharging port 12, and the surface of the cylinder is provided with a plurality of water outlets 13. The piston compression rod driving device is characterized in that a piston compression rod 31 matched with the cylinder 10 is arranged inside the cylinder 10, the piston compression rod 31 is provided with a piston compression rod driving part 3, and the piston compression rod driving part 3 is used for driving the piston compression rod 31 to move. The discharge port 12 is connected with a baffle 2, the baffle 2 covers the discharge port 12, and the area of the baffle 2 covering the discharge port 12 can be adjusted and changed. The bamboo shoot shells can enter the cylinder body 10 from the feeding port 11 and are finally discharged from the discharging port 12.
The working state of the piston compression bar 31 comprises a squeezing state and a return state. When the piston pressing rod 31 is in the squeezing state, the piston pressing rod 31 pushes the bamboo shoot shells to move to one side of the discharge port 12, then the bamboo shoot shells contact the baffle 2, the baffle 2 and the piston pressing rod 31 which moves continuously extrude the bamboo shoot shells together, so that the bamboo shoot shells are dehydrated, the dehydrated water flows out from the water outlet 13, and the bamboo shoot shells are extruded and discharged from the discharge port 12 which is not covered by the baffle 2; piston depression bar 31 is in during the return state, piston depression bar 31 is towards keeping away from one side of baffle 2 removes, reverts to the normal position, and later the bamboo shoot shell is followed pan feeding mouth 11 gets into, continues to carry out next duty cycle. In the scheme, the bamboo shoot shells can be discharged while being squeezed and dehydrated, and higher processing efficiency is obtained. Through the position of adjustment baffle 2, can adjust the area of contact of baffle 2 and bamboo shoot shell to the total pressure of adjustment realizes the control to the moisture of handling back bamboo shoot shell.
The scheme provides two embodiments aiming at the specific connecting structure of the baffle 2.
The first embodiment is as follows:
referring to fig. 2, the cylinder 10 is provided with a hinge portion 21, the baffle 2 is hinged to the hinge portion 21, and the area of the baffle 2 is smaller than that of the discharge hole 12, so that the bamboo shoot shells can be discharged from the position where the discharge hole 12 is not blocked. The hinge part 21 is connected with a tension bolt, and the tightness between the baffle 2 and the hinge part 21 can be adjusted by adjusting the tension bolt. A traction elastic member 14 is connected between the baffle 2 and the cylinder 10, specifically, the traction elastic member 14 is a component capable of generating traction force through deformation, such as a spring, and the traction elastic member 14 can pull the baffle 2.
In embodiment one, can be through the elasticity of adjustment lag bolt, maintain when adjusting the baffle 2 receives bamboo shoot shell pressure baffle 2 keeps the static required pulling force that pulls elastic component 14 and provide, and the pulling force that pulls the required tensile force that provides of elastic component 14 adjusts through the extension length of pulling elastic component 14 self, when the lag bolt is more loose, pull the corresponding length that needs the increase extension of elastic component 14 and just can maintain baffle 2 static, the outside rotatory angle of baffle 2 that corresponds is also bigger, thereby baffle 2 shelters from the area of discharge gate 12 and is corresponding littleer, dewatering effect to the bamboo shoot shell is corresponding relatively poor, the water content of the bamboo shoot shell after the processing is more. And when the elastic bolt is tighter, the water content of the processed bamboo shoot shell is lower in contrast to the above situation.
From top to the embodiment one can be through the elasticity of adjusting the elasticity bolt, reaches the function of conveniently adjusting processing back bamboo shoot shell water content, and piston rod 31 is in the in-process that promotes the bamboo shoot shell moreover, and the bamboo shoot shell is also outwards discharged by extrusion dehydration, and whole process is a continuous process to can improve machining efficiency. In addition, the first embodiment adopts a pure mechanical structure to control the water content of the bamboo shoot shells, has a very simple structure, and is beneficial to reducing the production and maintenance cost of equipment. Simultaneously further, pan feeding mouth 11 with discharge gate 12 can directly be connected with production water line, realizes the full automatization that the bamboo shoot shell squeezes, plays the function that reduces intensity of labour and improvement production efficiency.
Example two:
baffle 2 with 10 sliding connection of barrel, 2 sliding connection's of baffle advantage lie in, it is more convenient to the control of baffle 2 opening volume size, but considers that sliding connection's baffle 2 receives probably the autoslide after the extrusion and leads to the water content to change, baffle 2 is connected with and is used for the drive the gliding baffle drive arrangement of baffle, baffle drive arrangement is connected with baffle control system, baffle control system is according to setting for the control the switching volume of baffle to obtain the bamboo shoot shell of target water content.
This kind of scheme is surveyed the influence of 2 positions of baffle to bamboo shoot shell water content before the procedure sets for baffle control system adjusts to suitable position with baffle 2 accurately after reading input signal, thereby can control the water content after the bamboo shoot shell is handled more accurately, further promotes work efficiency and processing accuracy nature.
The top view of the side of the cylinder 10 close to the discharge hole 12 is shown in fig. 5, and the inner diameter and the outer diameter of the whole cylinder 10 are equal at each position. However, in general, the smaller the water content of the bamboo shoot shell is, the better the water content is, therefore, in order to further improve the dewatering function of the bamboo shoot shell dewatering device, as shown in fig. 6, a tapered section 15 is provided at a side of the cylinder 10 close to the discharge port 12, and an inner diameter of the tapered section 15 is gradually reduced from a side far away from the discharge port 12 to a side close to the discharge port 12, so that the dried bamboo shoots are also squeezed by an inner wall of the cylinder 10 in the process of being pushed by the plunger rod 31, thereby improving the dewatering effect.
The specific structure of the piston rod driving part 3 is shown in fig. 3 and 4, and includes a hydraulic driving device, and the piston rod 31 is a hydraulic push rod and is driven by the hydraulic driving device. Since the hydraulic drive device belongs to the prior art, it is not described in detail herein. Piston depression bar 31 still disposes stop device, stop device includes gag lever post 32, carriage release lever and spacing control system, gag lever post 32 with barrel 10 fixed connection, the carriage release lever with piston depression bar 31 fixed connection, drive during the motion of piston depression bar 31 the carriage release lever translation motion. Be equipped with two stopper 33 on the gag lever post, be equipped with discernment piece 34 on the carriage release lever, discernment piece 34 is located two between the stopper 33, the carriage release lever drives when removing discernment piece 34 moves between two stopper 33, after discernment piece 34 and stopper 33 contact, limit control system drive piston depression bar 31 changes the direction of motion, moves towards opposite direction. In the scheme, the movement stroke amount of the piston compression bar 31 can be controlled by the interval of the limiting block 33, and the limiting control system controls the piston compression bar 31 to reciprocate within a certain range, so that the bamboo shoot shell dehydration device automatically completes the working steps.
The barrel 10 is preferably cylindrical, so that the manufacturing and cleaning are convenient, and the bamboo shoot shells are prevented from being clamped inside the barrel 10. Meanwhile, the water outlet 13 is arranged downwards, so that water can be automatically discharged under the action of gravity.
In conclusion, the above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A bamboo shoot shell dehydration device at least comprises a cylinder body (10), wherein the cylinder body is provided with a feeding port (11) and a discharging port (12), and is characterized in that the cylinder body is provided with a plurality of water outlets (13);
a piston compression rod (31) matched with the cylinder is arranged in the cylinder, and the piston compression rod is provided with a piston compression rod driving part (3) for driving the piston compression rod to move;
the discharge hole is connected with a baffle (2) covering a part of the discharge hole, and the area of the baffle covering the discharge hole can be changed;
the working state of the piston compression bar comprises a squeezing state and a return state:
when the piston pressing rod is in the squeezing state, the piston pressing rod moves towards one side of the baffle plate and squeezes the bamboo shoot shells together with the baffle plate, and meanwhile, the bamboo shoot shells are discharged from the uncovered part of the discharge hole;
when the piston pressing rod is in the return state, the piston pressing rod moves towards one side far away from the baffle.
2. The bamboo shoot shell dehydration device as claimed in claim 1, wherein the area of said baffle is smaller than the area of said discharge outlet;
the barrel is provided with a hinge part (21), the baffle is hinged with the hinge part, and the hinge part is provided with a loose bolt capable of adjusting tightness;
and a traction elastic part (14) is connected between the baffle plate and the cylinder body.
3. The bamboo shoot shell dehydration device of claim 1, wherein said baffle is slidably connected with said cylinder.
4. The bamboo shoot shell dehydration device as claimed in claim 3, wherein said baffle is connected with a baffle driving device for driving said baffle to slide, said baffle driving device is connected with a baffle control system, said baffle control system controls the opening and closing amount of said baffle according to the set moisture percentage.
5. The bamboo shoot shell dehydration device as claimed in claim 1, wherein said cylinder body is provided with a tapered section (15) at one end near said discharge port, and the inner diameter of said tapered section is gradually reduced from one side far away from said discharge port to one side near said discharge port.
6. The bamboo shoot shell dehydration device of claim 1, wherein said piston rod driving portion is a hydraulic driving device, and said piston rod is a hydraulic push rod.
7. The bamboo shoot shell dehydration device of claim 6, further comprising a limiting device, wherein the limiting device comprises a limiting rod (32) which is fixedly arranged, a moving rod which is fixedly connected with the piston pressing rod and moves along with the piston pressing rod, and a limiting control system;
the piston compression bar is characterized in that two limiting blocks (33) are arranged on the limiting rod, an identification block (34) is arranged on the moving rod and located between the two limiting blocks, and the identification block is in contact with the limiting blocks and then drives the piston compression bar to change the moving direction.
8. The bamboo shoot shell dehydration device according to any of claims 1 to 7, wherein said cylinder is cylindrical.
9. The bamboo shoot shell dehydration apparatus as claimed in claim 8, wherein said water outlet is directed to the lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741823.XA CN113670012B (en) | 2021-06-30 | 2021-06-30 | Bamboo shoot shell dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741823.XA CN113670012B (en) | 2021-06-30 | 2021-06-30 | Bamboo shoot shell dewatering device |
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| Publication Number | Publication Date |
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| CN113670012A true CN113670012A (en) | 2021-11-19 |
| CN113670012B CN113670012B (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110741823.XA Active CN113670012B (en) | 2021-06-30 | 2021-06-30 | Bamboo shoot shell dewatering device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201032328Y (en) * | 2007-04-11 | 2008-03-05 | 陈学嘉 | Piston type sludge dewatering machine |
| CN102226631B (en) * | 2011-06-08 | 2013-09-25 | 潍坊金丝达实业有限公司 | Extrusion dehydrating device |
| CN106052312A (en) * | 2016-06-15 | 2016-10-26 | 成都昊特新能源技术股份有限公司 | Piston type squeezing drying system |
| JP2017161181A (en) * | 2016-03-10 | 2017-09-14 | 株式会社 タガミ・イーエクス | Dehydrator for water-containing material and portable dehydrator |
| CN212362628U (en) * | 2020-04-10 | 2021-01-15 | 思庚特新能源科技(上海)有限公司 | Mechanical dewatering device for household garbage |
| CN112944817A (en) * | 2021-03-23 | 2021-06-11 | 福建龙迪环保设备科技有限公司 | Automatic hydraulic garbage dehydrator |
-
2021
- 2021-06-30 CN CN202110741823.XA patent/CN113670012B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201032328Y (en) * | 2007-04-11 | 2008-03-05 | 陈学嘉 | Piston type sludge dewatering machine |
| CN102226631B (en) * | 2011-06-08 | 2013-09-25 | 潍坊金丝达实业有限公司 | Extrusion dehydrating device |
| JP2017161181A (en) * | 2016-03-10 | 2017-09-14 | 株式会社 タガミ・イーエクス | Dehydrator for water-containing material and portable dehydrator |
| CN106052312A (en) * | 2016-06-15 | 2016-10-26 | 成都昊特新能源技术股份有限公司 | Piston type squeezing drying system |
| CN212362628U (en) * | 2020-04-10 | 2021-01-15 | 思庚特新能源科技(上海)有限公司 | Mechanical dewatering device for household garbage |
| CN112944817A (en) * | 2021-03-23 | 2021-06-11 | 福建龙迪环保设备科技有限公司 | Automatic hydraulic garbage dehydrator |
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| CN113670012B (en) | 2022-11-18 |
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