Deep dehydration and filter pressing equipment for kitchen waste

By using a dual-shaft reverse crushing and multi-station filter press dewatering mechanism, the problem of incomplete dewatering of kitchen waste is solved, achieving efficient solid-liquid separation and stable equipment operation.

CN120885529APending Publication Date: 2025-11-04QIANAN ZHENGXING NEW ENERGY CO LTD
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Patent Information

Application Number
CN202511072906.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2025-11-04

AI Technical Summary

Technical Problem

Existing food waste dehydration equipment suffers from incomplete dehydration, low efficiency, and easy clogging, making it difficult to effectively process food waste with high moisture content.

Method used

It adopts a dual-axis reverse-configured crushing mechanism and a multi-station filter press dewatering mechanism, combined with an automated bottom cover opening, closing and locking mechanism, to achieve deep dewatering of kitchen waste.

Benefits of technology

It achieves efficient and precise crushing and solid-liquid separation of kitchen waste, improves dewatering efficiency, reduces the risk of equipment blockage, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses deep dewatering and filter-pressing equipment for kitchen waste. The deep dewatering and filter-pressing equipment comprises a pretreatment crushing mechanism and a filter-pressing dewatering mechanism connected with the pretreatment crushing mechanism, the pretreatment crushing mechanism comprises a crushing containing tank, and a plurality of first crushing blades and a plurality of second crushing blades are rotationally arranged in the crushing containing tank; the filter-pressing dehydration mechanism comprises a total containing pool, a dehydration supporting beam is slidably connected to the top of the total containing pool, a plurality of vertically-through filter-pressing containing cylinders are fixed to the dehydration supporting beam, a plurality of filter-pressing supporting frames are fixed to the dehydration supporting beam, and filter-pressing driving pistons moving in the vertical direction are arranged on the filter-pressing supporting frames; the lower end of the filter-pressing accommodating cylinder is connected with a filter-pressing supporting bottom cover through a first fixed hinge; the equipment is efficient in filter pressing and dewatering, multi-station synchronous operation is achieved, the treatment efficiency is improved, a plurality of filter pressing containing cylinders are arranged in the filter pressing and dewatering mechanism and matched with a dewatering supporting beam capable of horizontally sliding, the processes of feeding, filter pressing, discharging and the like can be sequentially and alternately carried out, and the overall treatment period is greatly shortened.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of kitchen waste dewatering, in particular to a kitchen waste deep dewatering filter pressing equipment. BACKGROUND

[0002] Kitchen waste contains a very high water content and organic matter, and is prone to rot and produce foul odor. After proper treatment and processing, it can be converted into new resources. The high organic matter content makes it possible to be used as fertilizer and feed after strict treatment, and also can produce biogas for fuel or power generation. The oil part can be used to prepare biofuels.

[0003] The characteristic of kitchen waste is high water content, so the first problem to be solved is the dewatering of kitchen waste. The current kitchen waste dewatering equipment still has the problems of incomplete dewatering, low dewatering efficiency and easy blocking, which needs to be further improved and optimized. SUMMARY

[0004] The purpose of the present application is to provide a kitchen waste deep dewatering filter pressing equipment, which can fully dewater the kitchen waste with high water content.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A kitchen waste deep dewatering filter pressing equipment, comprising a pretreatment crushing mechanism and a filter pressing dewatering mechanism connected with the pretreatment crushing mechanism;

[0007] The pretreatment crushing mechanism comprises a crushing containing tank fixed vertically on the ground, a crushing input pipe connected with the inside of the crushing containing tank is fixed on the outside of the crushing containing tank near the upper end, and a crushing output pipe connected with the inside of the crushing containing tank is fixed on the outside of the crushing containing tank near the lower end;

[0008] The crushing containing tank has a vertical through hole for crushing shaft at the top, a crushing drive containing shell is arranged above the crushing containing tank, a vertical and hollow crushing drive outer shaft is rotatably connected on the crushing drive containing shell, a crushing drive inner shaft is rotatably connected in the crushing drive outer shaft, and the lower ends of the crushing drive outer shaft and the crushing drive inner shaft extend into the crushing containing tank through the crushing shaft through hole;

[0009] A plurality of first crushing blades are fixed on the lower end of the crushing drive outer shaft, a plurality of second crushing blades are fixed on the lower end of the crushing drive inner shaft, and the second crushing blades are below the first crushing blades;

[0010] The filter pressing dewatering mechanism comprises a total containing pool fixed on the ground with the opening facing upward, a dewatering support beam is slidably connected on the top of the total containing pool along the horizontal direction, a plurality of vertical through filter pressing containing cylinders are fixed on the dewatering support beam, a plurality of filter pressing support frames are fixed on the dewatering support beam, and a filter pressing drive piston moving in the vertical direction is arranged on the filter pressing support frame.

[0011] The lower end of the filter pressing containing cylinder is connected with a filter pressing support bottom cover through a first fixed hinge, the filter pressing support bottom cover is a porous hollow structure, and a filter cloth is fixed on the upper side of the filter pressing support bottom cover;

[0012] The inside of the total containing pool is sequentially separated into a raw liquid containing pool, a filtrate containing pool and a filter residue containing pool through a plurality of total pool separation plates, and the crushing output pipe is connected with the inside of the raw liquid containing pool through a pipeline;

[0013] A plurality of raw liquid conveying pumps are fixed in the raw liquid containing pool, and a plurality of raw liquid conveying pipes are fixed on the outside of the raw liquid containing pool, and the lower ends of the plurality of raw liquid conveying pipes are connected with the output ends of the raw liquid conveying pumps in a one-to-one correspondence.

[0014] Preferably, one end of the crushing drive outer shaft in the crushing drive containing shell is fixed with an outer shaft driven gear, the crushing drive containing shell is fixed with an outer shaft drive motor, the output shaft of the outer shaft drive motor is fixed with an outer shaft drive gear, and the outer shaft drive gear is meshed and connected with the outer shaft driven gear.

[0015] One end of the crushing drive inner shaft in the crushing drive containing shell is fixed with an inner shaft driven gear, the crushing drive containing shell is fixed with an inner shaft drive motor, the output shaft of the inner shaft drive motor is fixed with an inner shaft drive gear, and the inner shaft drive gear is meshed and connected with the inner shaft driven gear.

[0016] Description: The rotation directions of the crushing drive outer shaft and the crushing drive inner shaft are opposite, and the kitchen garbage is crushed into small pieces under the mutual shearing action of the first crushing blade and the second crushing blade.

[0017] Preferably, the crushing containing tank is provided with a crushing lifting mechanism, the crushing lifting mechanism comprises a plurality of crushing lifting fixed cylinders fixed on the top of the crushing containing tank and opening upward, a crushing lifting sliding cylinder is slidably connected in the crushing lifting fixed cylinder, and the outer end of the crushing lifting sliding cylinder is fixedly connected with the crushing drive containing shell through a crushing lifting connecting plate.

[0018] A crushing lifting drive rod for driving the crushing lifting sliding cylinder to move up and down is arranged in the crushing lifting fixed cylinder.

[0019] Description: The crushing lifting mechanism drives the crushing drive outer shaft, the crushing drive inner shaft, the first crushing blade and the second crushing blade to move up and down periodically and reciprocally, and the kitchen garbage in the crushing containing tank is fully crushed.

[0020] Preferably, the filter support frame is fixed with a downward opening filter drive fixed cylinder, and a filter drive sliding cylinder is slidably connected in the filter drive fixed cylinder. The filter drive sliding cylinders are coaxially aligned with the filter containing cylinders one by one. A filter drive piston is fixed at the lower end of the filter drive sliding cylinder. The filter drive fixed cylinder is provided with a filter drive rod for driving the filter drive sliding cylinder to move up and down.

[0021] Description: The inner rod of the filter drive rod extends to drive the filter drive sliding cylinder to move downward together with the filter drive piston, so that the filter drive piston extends into the filter containing cylinder to compress the kitchen waste.

[0022] Preferably, two horizontally extending horizontal displacement support slides are fixed outside the total containing pool, and horizontal displacement support sliders are slidably connected on the horizontal displacement support slides. The two ends of the dehydration support beam are respectively fixed and connected with the top of the two horizontal displacement support sliders.

[0023] Description: The horizontal displacement support slider is driven by the existing technology servo motor fixed thereon to move along the horizontal displacement support slide through the gear rack. The horizontal displacement support slider can further drive the dehydration support beam to move together with the plurality of filter containing cylinders, so as to facilitate switching the position of each filter containing cylinder.

[0024] Preferably, a bottom cover opening and closing drive rod is arranged outside the filter containing cylinder. The outer rod end of the bottom cover opening and closing drive rod is connected with the outer side wall of the filter containing cylinder through a second fixed hinge. An opening and closing control connecting rod is fixed on the filter support bottom cover and extends in the radial direction thereof. The extension direction of the opening and closing control connecting rod is perpendicular to the rotation shaft of the first fixed hinge. The inner rod end of the bottom cover opening and closing drive rod is connected with the outer end of the opening and closing control connecting rod through a third fixed hinge.

[0025] Description: The inner rod of the bottom cover opening and closing drive rod is retracted to drive the filter support bottom cover to deflect around the rotation shaft of the first fixed hinge through the opening and closing control connecting rod, so that the filter support bottom cover is away from the lower end of the filter containing cylinder. At this time, the lower end of the filter containing cylinder is in an open state, so as to facilitate the kitchen waste in the filter containing cylinder to be discharged from the lower end of the filter containing cylinder.

[0026] Preferably, a bottom cover locking mechanism is arranged outside the filter containing cylinder. The bottom cover locking mechanism comprises a locking mechanism support seat fixed outside the filter containing cylinder near the lower end. A locking drive shaft is rotatably connected on the locking mechanism support seat and extends vertically. A locking constraint eccentric plate is fixed on the lower end of the locking drive shaft.

[0027] A locking drive containing shell is fixed outside the filter containing cylinder. The upper end of the locking drive shaft extends into the locking drive containing shell. A locking driven worm wheel is fixed on the end of the locking drive shaft extending into the locking drive containing shell. A locking drive motor is fixed in the locking drive containing shell. A locking drive worm is fixed on the output end of the locking drive motor. The locking drive worm is meshingly connected with the locking driven worm wheel.

[0028] Description: In the bottom cover locking mechanism, the end far away from the locking drive shaft of the locking constraint eccentric plate is called the locking constraint end, when the locking constraint end of the locking constraint eccentric plate is at the lower side of the filter support bottom cover, the bottom cover locking mechanism is in the closed state, when the locking constraint end of the locking constraint eccentric plate is away from the filter support bottom cover, the bottom cover locking mechanism is in the open state.

[0029] Preferably, the filter residue containing pool is provided with a filter cylinder cleaning mechanism, the filter cylinder cleaning mechanism comprises a cleaning lifting fixed cylinder connected on the inner side of the filter residue containing pool through a lateral support plate and opening upward, a cleaning lifting sliding cylinder is slidably connected in the cleaning lifting fixed cylinder, a cleaning water conveying shell is fixed at the top end of the cleaning lifting sliding cylinder, a plurality of cleaning nozzles are fixed on the outer side of the cleaning water conveying shell and communicated with the cleaning water conveying shell, a cleaning water storage tank is fixed on the outer side of the filter residue containing pool, a cleaning conveying pump is fixed in the cleaning water storage tank, and the output end of the cleaning conveying pump is communicated with the inside of the cleaning water conveying shell through a pipeline.

[0030] The cleaning lifting fixed cylinder is provided with a cleaning lifting drive rod for driving the cleaning lifting sliding cylinder to move up and down.

[0031] Description: The water in the cleaning water storage tank is conveyed to the inside of the cleaning water conveying shell by the cleaning conveying pump, and the water in the cleaning water conveying shell is sprayed out through the plurality of cleaning nozzles to clean the inside of the filter containing cylinder.

[0032] Compared with the prior art, the beneficial effects of the present application are reflected in the following aspects:

[0033] 1、The structure design of the present application is reasonable, the crushing is more fine, and the foundation for deep dewatering is laid, the first crushing blade and the second crushing blade arranged in opposite directions can form shearing and extruding double effects on the kitchen waste, compared with single shaft crushing, the kitchen waste can be more efficiently crushed into fine particles, the surface area during subsequent dewatering is increased, and water separation is facilitated;

[0034] 2、The present application is easy to operate, the pressure filtration dewatering is efficient, multiple work positions are operated synchronously, the processing efficiency is improved, multiple filter containing cylinders are arranged in the pressure filtration dewatering mechanism, and cooperate with the horizontally slidable dewatering support beam, so that the feeding, pressure filtration and discharging processes can be sequentially and alternately performed, and the overall processing period is greatly shortened;

[0035] 3、In the technical scheme of the present application, the pressure filtration driving piston can move vertically in the filter containing cylinder, and uniform pressure is applied to the garbage in the cylinder; the pressure filtration support bottom cover adopts a porous hollow structure and is paved with filter cloth, so that water can be smoothly infiltrated into the filter liquid containing pool, and garbage solids can be intercepted, and efficient solid-liquid separation is realized;

[0036] 4、The technical scheme of the present application, the bottom cover opening and closing drive rod is controlled by the connecting rod mechanism to support the opening and closing of the filter bottom cover, the bottom cover locking mechanism ensures the tight closure of the bottom cover during the filter pressing through the locking constraint eccentric plate, avoiding material leakage. The cooperation of the two realizes the automation and precision of the bottom cover operation;

[0037] 5、The technical scheme of the present application, the filter residue containing pool is provided with a filter cylinder cleaning mechanism, the cleaning nozzle can be lifted under the driving of the cleaning lifting drive rod, and the filter pressing containing cylinder and filter cloth are cleaned to prevent residual garbage from blocking or breeding bacteria, prolong the service life of the equipment, and reduce the maintenance difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 is the structural schematic view of the pretreatment crushing mechanism of the present application;

[0039] Figure 2 is the structural schematic view of the crushing drive containing shell of the present application;

[0040] Figure 3 is the structural schematic view of the filter pressing dewatering mechanism of the present application;

[0041] Figure 4 is the left view of Figure 3 ;

[0042] Figure 5 is the structural schematic view of the filter pressing containing cylinder of the present application;

[0043] Figure 6 is the structural schematic view of the bottom cover locking mechanism of the present application;

[0044] Figure 7 is the structural schematic view of the filter cylinder cleaning mechanism of the present application.

[0045] In the figure, 10 - pretreatment crushing mechanism, 11 - crushing containing tank, 110 - crushing shaft perforation, 111 - crushing input pipe, 112 - crushing output pipe, 12 - crushing drive containing shell, 13 - crushing drive outer shaft, 131 - first crushing blade, 132 - outer shaft driven gear, 133 - outer shaft drive motor, 134 - outer shaft drive gear, 14 - crushing drive inner shaft, 141 - second crushing blade, 142 - inner shaft driven gear, 143 - inner shaft drive motor, 144 - inner shaft drive gear, 15 - crushing lifting mechanism, 151 - crushing lifting fixed cylinder, 152 - crushing lifting sliding cylinder, 153 - crushing lifting connecting plate, 154 - crushing lifting drive rod, 20 - filter pressing dewatering mechanism, 201 - first fixed hinge, 21 - total containing pool, 210 - total pool partition plate, 211 - raw liquid containing pool, 212 - filtrate containing pool, 213 - filter residue containing pool, 214 - raw liquid conveying pump, 215 - raw liquid conveying pipe, 216 - horizontal displacement support sliding rail, 217 - horizontal displacement support sliding block, 22 - dewatering support beam, 221 - filter pressing support frame, 23 - filter pressing containing cylinder, 230 - filter pressing support bottom cover, 2301 - filter cloth, 231 - filter pressing drive piston, 241 - filter pressing drive fixed cylinder, 242 - filter pressing drive sliding cylinder, 243 - filter pressing drive rod, 25 - bottom cover opening and closing drive rod, 251 - second fixed hinge, 252 - opening and closing control connecting rod, 253 - third fixed hinge, 26 - bottom cover locking mechanism, 261 - locking mechanism support seat, 262 - locking drive shaft, 263 - locking constraint eccentric plate, 264 - locking drive containing shell, 265 - locking driven worm, 266 - locking drive motor, 267 - locking drive worm, 27 - filter cylinder cleaning mechanism, 271 - lateral support plate, 272 - cleaning lifting fixed cylinder, 273 - cleaning lifting sliding cylinder, 274 - cleaning water conveying shell, 275 - cleaning nozzle, 276 - cleaning water storage tank, 277 - cleaning conveying pump, 278 - cleaning lifting drive rod. DETAILED DESCRIPTION

[0046] The application will be described in detail below Figures 1-7 For the convenience of description, the following directions are defined as follows: the up-down, left-right and front-back directions described below are consistent with the up-down, left-right and front-back directions of the respective main view or structural schematic view itself.

[0047] Example 1

[0048] A kitchen waste deep dewatering filter pressing equipment, as shown in Figure 1 , Figure 3 , comprises a pretreatment crushing mechanism 10 and a filter pressing dewatering mechanism 20 connected with the pretreatment crushing mechanism 10.

[0049] As shown in Figure 1As shown, the pre-processing crushing mechanism 10 includes a crushing container 11 vertically fixed on the ground. A crushing input pipe 111 connected to the inside of the crushing container 11 is fixed on the outside of the crushing container 11 near the upper end. A crushing output pipe 112 connected to the inside of the crushing container 11 is fixed on the outside of the crushing container 11 near the lower end.

[0050] like Figure 1 As shown, the crushing container 11 has a vertically penetrating crushing shaft through hole 110 at the top. A crushing drive housing 12 is provided above the crushing container 11. A vertically extending and hollow crushing drive outer shaft 13 is rotatably connected to the crushing drive housing 12. A crushing drive inner shaft 14 is rotatably connected inside the crushing drive outer shaft 13. The lower ends of the crushing drive outer shaft 13 and the crushing drive inner shaft 14 both extend through the crushing shaft through hole 110 into the interior of the crushing container 11.

[0051] Multiple first crushing blades 131 are fixed at the lower end of the outer shaft 13 of the crushing drive, and multiple second crushing blades 141 are fixed at the lower end of the inner shaft 14 of the crushing drive. The second crushing blades 141 are located below the first crushing blades 131.

[0052] The lower side of the first crushing blade 131 and the upper side of the second crushing blade 141 are flat, and the vertical distance between the lower side of the first crushing blade 131 and the upper side of the second crushing blade 141 is 5mm.

[0053] like Figure 2 As shown, an outer shaft driven gear 132 is fixed at one end of the crushing drive outer shaft 13 inside the crushing drive housing 12. An outer shaft drive motor 133 is fixed inside the crushing drive housing 12. An outer shaft drive gear 134 is fixed on the output shaft of the outer shaft drive motor 133. The outer shaft drive gear 134 is meshed with the outer shaft driven gear 132.

[0054] An inner shaft driven gear 142 is fixed at one end of the inner shaft 14 inside the inner shaft driven housing 12. An inner shaft drive motor 143 is fixed inside the inner shaft driven housing 12. An inner shaft drive gear 144 is fixed on the output shaft of the inner shaft drive motor 143. The inner shaft drive gear 144 is meshed with the inner shaft driven gear 142.

[0055] like Figure 3 As shown, the filter press dewatering mechanism 20 includes a total receiving tank 21 fixed on the ground with its opening facing upward. A dewatering support beam 22 is slidably connected to the top of the total receiving tank 21 in the horizontal direction. Multiple vertically penetrating filter press receiving cylinders 23 are fixed on the dewatering support beam 22. Multiple filter press support frames 221 are fixed on the dewatering support beam 22. A filter press drive piston 231 that moves in the vertical direction is provided on the filter press support frame 221.

[0056] like Figure 3As shown, the filter support frame 221 is fixed with a downward opening filter drive fixed cylinder 241, the filter drive fixed cylinder 241 is slidably connected with a upward opening filter drive sliding cylinder 242, a plurality of filter drive sliding cylinders 242 are coaxially aligned with each filter containing cylinder 23 one by one, the filter drive piston 231 is fixed at the lower end of the filter drive sliding cylinder 242, the filter drive fixed cylinder 241 is provided with a filter drive rod 243 for driving the filter drive sliding cylinder 242 to move up and down, the filter drive rod 243 is a prior art electric control telescopic rod driven by a servo motor, the outer end of the filter drive rod 243 is connected with the top of the filter drive fixed cylinder 241, and the inner rod end of the filter drive rod 243 is connected with the bottom of the filter drive sliding cylinder 242.

[0057] As shown in Figure 4 The outer side of the total containing pool 21 is fixed with two horizontally extending horizontal displacement support rails 216, the horizontal displacement support rails 216 are slidably connected with horizontal displacement support sliding blocks 217, the two ends of the dehydration support beam 22 are respectively connected with the top of the two horizontal displacement support sliding blocks 217, and the horizontal displacement support sliding blocks 217 are driven by the prior art servo motor fixed thereon to move along the horizontal displacement support rails 216 through the gear rack.

[0058] As shown in Figure 5 The lower end of the filter containing cylinder 23 is connected with a filter support bottom cover 230 through a first fixed hinge 201, the filter support bottom cover 230 is a porous hollow structure, and the upper side of the filter support bottom cover 230 is fixed with a filter cloth 2301.

[0059] As shown in Figure 3 The inside of the total containing pool 21 is sequentially separated into a raw liquid containing pool 211, a filtrate containing pool 212 and a filter residue containing pool 213 by a plurality of total pool separation plates 210, and the broken output pipe 112 is connected with the inside of the raw liquid containing pool 211 through a pipeline;

[0060] A plurality of raw liquid conveying pumps 214 are fixed in the raw liquid containing pool 211, and a plurality of raw liquid conveying pipes 215 are fixed outside the raw liquid containing pool 211, and the lower ends of the plurality of raw liquid conveying pipes 215 are connected with the output ends of the plurality of raw liquid conveying pumps 214 one by one.

[0061] The upper end of the raw liquid conveying pipe 215 has a horizontal extension section, and the horizontal extension section of the raw liquid conveying pipe 215 is slightly higher than the upper end of the filter containing cylinder 23.

[0062] As shown in Figure 5As shown, a bottom cover opening and closing drive rod 25 is provided on the outside of the filter press container 23. The outer end of the bottom cover opening and closing drive rod 25 is connected to the outer wall of the filter press container 23 through a second fixed hinge 251. An opening and closing control link 252 extending radially is fixed on the filter press support bottom cover 230. The extension direction of the opening and closing control link 252 is perpendicular to the rotation axis of the first fixed hinge 201. The inner end of the bottom cover opening and closing drive rod 25 is connected to the outer end of the opening and closing control link 252 through a third fixed hinge 253. The bottom cover opening and closing drive rod 25 is an electrically controlled telescopic rod driven by a servo motor in the prior art.

[0063] Example 2:

[0064] Based on Example 1, such as Figure 1 As shown, the crushing container 11 is provided with a crushing lifting mechanism 15 at the top. The crushing lifting mechanism 15 includes a plurality of crushing lifting fixed cylinders 151 fixed at the top of the crushing container 11 with their openings facing upward. A crushing lifting sliding cylinder 152 is slidably connected inside the crushing lifting fixed cylinder 151. The outer end of the crushing lifting sliding cylinder 152 is fixedly connected to the crushing drive container shell 12 through a crushing lifting connecting plate 153.

[0065] The crushing and lifting fixed cylinder 151 is provided with a crushing and lifting drive rod 154 for driving the crushing and lifting sliding cylinder 152 to move up and down. The crushing and lifting drive rod 154 is an existing electric control telescopic rod driven by a servo motor. The outer end of the crushing and lifting drive rod 154 is fixedly connected to the bottom of the crushing and lifting fixed cylinder 151, and the inner end of the crushing and lifting drive rod 154 is fixedly connected to the top of the crushing and lifting sliding cylinder 152.

[0066] Example 3:

[0067] Based on Example 2, such as Figure 5 As shown, the filter press housing 23 is provided with a bottom cover locking mechanism 26 on the outside, such as... Figure 6 As shown, the bottom cover locking mechanism 26 includes a locking mechanism support 261 fixed on the outside of the filter press container 23 near the lower end. A vertically extending locking drive shaft 262 is rotatably connected to the locking mechanism support 261. A locking constraint eccentric plate 263 is fixed at the lower end of the locking drive shaft 262. The upper edge of the locking constraint eccentric plate 263 is rounded. When the filter press support bottom cover 230 is closed at the lower end of the filter press container 23, the upper side of the locking constraint eccentric plate 263 is just flush with the lower side of the filter press support bottom cover 230 along the horizontal plane.

[0068] A locking drive housing 264 is fixed to the outside of the filter press housing 23. The upper end of the locking drive shaft 262 extends into the locking drive housing 264. A locking driven worm gear 265 is fixed to one end of the locking drive shaft 262 that extends into the locking drive housing 264. A locking drive motor 266 is fixed inside the locking drive housing 264. The locking drive motor 266 is a servo motor of the prior art. A locking drive worm 267 is fixed to the output end of the locking drive motor 266. The locking drive worm 267 is meshed with the locking driven worm gear 265.

[0069] Example 4:

[0070] Based on Example 3, such as Figure 3 As shown, the filter cake receiving tank 213 is equipped with a filter cartridge cleaning mechanism 27, such as... Figure 7 As shown, the filter cartridge cleaning mechanism 27 includes a cleaning lifting and fixing cylinder 272 connected to the inside of the filter cake receiving tank 213 via a lateral support plate 271 and with its opening facing upward. A cleaning lifting sliding cylinder 273 is slidably connected inside the cleaning lifting and fixing cylinder 272. A cleaning water supply shell 274 is fixed at the top of the cleaning lifting sliding cylinder 273. Multiple cleaning nozzles 275 connected to the cleaning water supply shell 274 are fixed on the outside of the cleaning water supply shell 274. A cleaning water storage tank 276 is fixed on the outside of the filter cake receiving tank 213. A cleaning delivery pump 277 is fixed in the cleaning water storage tank 276. The output end of the cleaning delivery pump 277 is connected to the inside of the cleaning water supply shell 274 via a pipe.

[0071] The cleaning lifting fixed cylinder 272 is provided with a cleaning lifting drive rod 278 for driving the cleaning lifting sliding cylinder 273 to move up and down. The cleaning lifting drive rod 278 is an existing electric control telescopic rod driven by a servo motor. The outer rod end of the cleaning lifting drive rod 278 is fixedly connected to the bottom of the cleaning lifting fixed cylinder 272, and the inner rod end of the cleaning lifting drive rod 278 is fixedly connected to the top of the cleaning lifting sliding cylinder 273.

[0072] In the practical application process of the present application, first, the kitchen garbage is crushed, the original kitchen garbage is input into the crushing containing tank 11 through the crushing input pipe 111 by the conveying pump, the outer shaft driving motor 133 and the inner shaft driving motor 143 are started, the output shaft of the outer shaft driving motor 133 is connected with the outer shaft driven gear 132 through the outer shaft driving gear 134 to drive the crushing driving outer shaft 13 to rotate, the crushing driving outer shaft 13 drives the plurality of first crushing blades 131 to rotate, the output shaft of the inner shaft driving motor 143 is connected with the inner shaft driven gear 142 through the inner shaft driving gear 144 to drive the crushing driving inner shaft 14 to rotate, the crushing driving inner shaft 14 drives the plurality of second crushing blades 141 to rotate, and the rotating directions of the crushing driving outer shaft 13 and the crushing driving inner shaft 14 are opposite, and the kitchen garbage is crushed into small pieces under the mutual shearing action of the first crushing blades 131 and the second crushing blades 141;

[0073] The crushing lifting mechanism 15 drives the crushing driving outer shaft 13, the crushing driving inner shaft 14, the first crushing blades 131 and the second crushing blades 141 to periodically and reciprocally move up and down, the kitchen garbage in the crushing containing tank 11 is fully crushed, the inner rods of the plurality of crushing lifting driving rods 154 synchronously perform periodic extension and retraction movements, the inner rods of the crushing lifting driving rods 154 further drive the crushing lifting sliding cylinder 152, the crushing lifting connecting plate 153, the crushing driving containing shell 12, and the crushing driving outer shaft 13, the crushing driving inner shaft 14, the first crushing blades 131 and the second crushing blades 141 to periodically and reciprocally move up and down, so that the first crushing blades 131 and the second crushing blades 141 can fully crush the kitchen garbage in the crushing containing tank 11;

[0074] The crushed kitchen garbage is discharged through the crushing output pipe 112 and enters the raw liquid containing pool 211, the kitchen garbage is input into the raw liquid conveying pipe 215 by the raw liquid conveying pump 214, and the kitchen garbage is discharged from the upper end of the raw liquid conveying pipe 215 and enters each pressure filtration containing cylinder 23;

[0075] In the initial state, the pressure filtration supporting bottom cover 230 is closed at the lower end of the pressure filtration containing cylinder 23, and the locking and restraining eccentric plate 263 is top-pressed and restrained on the lower side of the pressure filtration supporting bottom cover 230;

[0076] In the bottom cover locking mechanism 26, the end far away from the locking and driving shaft 262 of the locking and restraining eccentric plate 263 is called the locking and restraining end, when the locking and restraining end of the locking and restraining eccentric plate 263 is on the lower side of the pressure filtration supporting bottom cover 230, the bottom cover locking mechanism 26 is in the closed state, and when the locking and restraining end of the locking and restraining eccentric plate 263 is away from the pressure filtration supporting bottom cover 230, the bottom cover locking mechanism 26 is in the open state;

[0077] During the delivery process of the raw liquid delivery pump 214, the plurality of filter-pressing containing cylinders 23 are above the raw liquid containing pool 211, the filter-pressing driving piston 231 is above the filter-pressing containing cylinder 23, that is, the filter-pressing driving piston 231 is at the upper dead point of its stroke, the distance between the lower end of the filter-pressing driving piston 231 and the upper end of the filter-pressing containing cylinder 23 is greater than the diameter of the horizontal extension section of the raw liquid delivery pipe 215, and the horizontal extension section of the raw liquid delivery pipe 215 is placed between the filter-pressing containing cylinder 23 and the filter-pressing driving piston 231;

[0078] When the kitchen waste in the filter-pressing containing cylinder 23 reaches 80% of its volume, the raw liquid delivery pump 214 stops, the horizontal displacement support slider 217 is driven to move along the horizontal displacement support slide rail 216 by the existing technology servo motor fixed thereon through the gear and rack, the horizontal displacement support slider 217 drives the dewatering support beam 22 to move together with the plurality of filter-pressing containing cylinders 23, and when the filter-pressing containing cylinder 23 is above the filtrate containing pool 212, the horizontal displacement support slider 217 stops moving;

[0079] The inner rod of the filter-pressing driving rod 243 extends to drive the filter-pressing driving sliding cylinder 242 to move downward together with the filter-pressing driving piston 231, so that the filter-pressing driving piston 231 extends into the filter-pressing containing cylinder 23 to compress the kitchen waste, the water in the kitchen waste is filtered through the filter cloth 2301 and flows out through the filter-pressing support bottom cover 230, so that the water in the kitchen waste falls into the filtrate containing pool 212, realizing the dewatering of the kitchen waste, and the dewatered kitchen waste forms kitchen residue;

[0080] When the dewatering of the kitchen waste is completed, the horizontal displacement support slider 217 is driven to move along the horizontal displacement support slide rail 216 by the existing technology servo motor fixed thereon through the gear and rack, the horizontal displacement support slider 217 drives the dewatering support beam 22 to move together with the plurality of filter-pressing containing cylinders 23, so that each filter-pressing containing cylinder 23 is above the residue containing pool 213;

[0081] The bottom cover locking mechanism 26 is opened, the output end of the locking driving motor 266 is connected with the locking driven worm wheel 265 through the locking driving worm 267 to drive the locking driving shaft 262 to rotate, the locking driving shaft 262 drives the locking constraint eccentric plate 263 to rotate together, and the locking constraint end of the locking constraint eccentric plate 263 is away from the filter-pressing support bottom cover 230, so that the bottom cover locking mechanism 26 is switched to the open state;

[0082] Then the inner rod of the bottom cover opening and closing driving rod 25 is retracted to drive the filter-pressing support bottom cover 230 to deflect around the rotation shaft of the first fixed hinge 201 through the opening and closing control connecting rod 252, so that the filter-pressing support bottom cover 230 is away from the lower end of the filter-pressing containing cylinder 23, at this time, the lower end of the filter-pressing containing cylinder 23 is in an open state, and the kitchen residue in the filter-pressing containing cylinder 23 is discharged from the lower end of the filter-pressing containing cylinder 23 and falls into the residue containing pool 213;

[0083] The inside of the filter containment cylinder 23 is cleaned by the filter cleaning mechanism 27, the inner rod of the cleaning lifting drive rod 278 is periodically reciprocatingly extended and retracted, the inner rod of the cleaning lifting drive rod 278 in turn drives the cleaning lifting sliding cylinder 273 to periodically reciprocatingly move up and down together with the cleaning water conveying shell 274 and the cleaning nozzle 275, and then the cleaning water conveying pump 277 is used to convey water in the cleaning water storage tank 276 to the inside of the cleaning water conveying shell 274, and the water in the cleaning water conveying shell 274 is sprayed out through the plurality of cleaning nozzles 275 to clean the inside of the filter containment cylinder 23;

[0084] After the filter containment cylinder 23 is cleaned, the inner rod of the bottom cover opening and closing drive rod 25 is extended to drive the filter support bottom cover 230 to deflect around the pivot shaft of the first fixed hinge 201 through the opening and closing control connecting rod 252, so that the filter support bottom cover 230 approaches the lower end of the filter containment cylinder 23, and finally the filter support bottom cover 230 is closed at the lower end of the filter containment cylinder 23;

[0085] Then the bottom cover locking mechanism 26 is closed, the output end of the locking drive motor 266 is connected with the locking driven worm wheel 265 through the locking drive worm 267 to drive the locking drive shaft 262 to rotate, the locking drive shaft 262 drives the locking constraint eccentric plate 263 to rotate with it, and the locking constraint end of the locking constraint eccentric plate 263 is supported on the lower side of the filter support bottom cover 230, so that the bottom cover locking mechanism 26 is switched to the closed state;

[0086] The horizontal displacement support slider 217 is driven by the existing technology servo motor fixed thereon to move along the horizontal displacement support sliding rail 216 through the gear and rack, and the horizontal displacement support slider 217 drives the dehydration support beam 22 to move together with the plurality of filter containment cylinders 23, so that each filter containment cylinder 23 returns to above the liquid containment pool 211 again, and the kitchen waste is recharged into each filter containment cylinder 23.

Claims

1. A deep dewatering and filter press device for kitchen waste, characterized in that, It includes a pretreatment crushing mechanism (10) and a filter press dewatering mechanism (20) connected to the pretreatment crushing mechanism (10); The pre-treatment crushing mechanism (10) includes a crushing container (11) that is vertically fixed on the ground. A crushing input pipe (111) that communicates with the inside of the crushing container (11) is fixed on the outside of the crushing container (11) near the upper end. A crushing output pipe (112) that communicates with the inside of the crushing container (11) is fixed on the outside of the crushing container (11) near the lower end. The crushing container (11) has a vertically penetrating crushing shaft through hole (110) at the top. A crushing drive housing (12) is provided above the crushing container (11). A vertically extending and hollow crushing drive outer shaft (13) is rotatably connected to the crushing drive housing (12). A crushing drive inner shaft (14) is rotatably connected inside the crushing drive outer shaft (13). The lower ends of the crushing drive outer shaft (13) and the crushing drive inner shaft (14) both extend through the crushing shaft through hole (110) into the interior of the crushing container (11). The lower end of the outer shaft (13) of the crushing drive is fixed with a plurality of first crushing blades (131), and the lower end of the inner shaft (14) of the crushing drive is fixed with a plurality of second crushing blades (141), the second crushing blades (141) being located below the first crushing blades (131). The filter press dewatering mechanism (20) includes a total receiving tank (21) fixed on the ground with its opening facing upward. A dewatering support beam (22) is slidably connected to the top of the total receiving tank (21) in the horizontal direction. Multiple vertically penetrating filter press receiving cylinders (23) are fixed on the dewatering support beam (22). Multiple filter press support frames (221) are fixed on the dewatering support beam (22). A filter press drive piston (231) that moves in the vertical direction is provided on the filter press support frame (221). The lower end of the filter press container (23) is connected to the filter press support bottom cover (230) via the first fixed hinge (201). The filter press support bottom cover (230) has a multi-hole hollow structure, and a filter cloth (2301) is fixed on the upper side of the filter press support bottom cover (230). The main container (21) is divided into a raw liquid container (211), a filtrate container (212), and a filter residue container (213) by multiple main container partition plates (210). The crushing output pipe (112) is connected to the inside of the raw liquid container (211) through a pipe. Multiple raw liquid delivery pumps (214) are fixed inside the raw liquid container (211), and multiple raw liquid delivery pipes (215) are fixed outside the raw liquid container (211). The lower ends of the multiple raw liquid delivery pipes (215) are connected to the output ends of each raw liquid delivery pump (214).

2. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, The outer shaft of the crushing drive (13) is fixed with an outer shaft driven gear (132) at one end inside the crushing drive housing (12). An outer shaft drive motor (133) is fixed inside the crushing drive housing (12). An outer shaft drive gear (134) is fixed to the output shaft of the outer shaft drive motor (133). The outer shaft drive gear (134) meshes with the outer shaft driven gear (132). The inner shaft (14) of the crushing drive is fixed with an inner shaft driven gear (142) at one end inside the crushing drive housing (12). An inner shaft drive motor (143) is fixed inside the crushing drive housing (12). An inner shaft drive gear (144) is fixed to the output shaft of the inner shaft drive motor (143). The inner shaft drive gear (144) meshes with the inner shaft driven gear (142).

3. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, The crushing container (11) is provided with a crushing lifting mechanism (15) at the top. The crushing lifting mechanism (15) includes a plurality of crushing lifting fixed cylinders (151) fixed at the top of the crushing container (11) with their openings facing upwards. A crushing lifting sliding cylinder (152) is slidably connected inside the crushing lifting fixed cylinder (151). The outer end of the crushing lifting sliding cylinder (152) is fixedly connected to the crushing drive container shell (12) through a crushing lifting connecting plate (153). The crushing and lifting fixed cylinder (151) is provided with a crushing and lifting drive rod (154) for driving the crushing and lifting sliding cylinder (152) to move up and down.

4. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, A filter press support frame (221) is fixed with a filter press drive fixed cylinder (241) facing downward. A filter press drive sliding cylinder (242) facing upward is slidably connected inside the filter press drive fixed cylinder (241). Multiple filter press drive sliding cylinders (242) are coaxially aligned with each filter press receiving cylinder (23). The filter press drive piston (231) is fixed at the lower end of the filter press drive sliding cylinder (242). A filter press drive rod (243) is provided inside the filter press drive fixed cylinder (241) for driving the filter press drive sliding cylinder (242) to move up and down.

5. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, Two horizontally extending horizontal displacement support slide rails (216) are fixed on the outside of the total holding pool (21). Horizontal displacement support sliders (217) are slidably connected on the horizontal displacement support slide rails (216). The two ends of the dehydration support beam (22) are respectively fixedly connected to the tops of the two horizontal displacement support sliders (217).

6. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, The filter press container (23) is provided with a bottom cover opening and closing drive rod (25) on the outside. The outer end of the bottom cover opening and closing drive rod (25) is connected to the outer wall of the filter press container (23) through a second fixed hinge (251). The filter press support bottom cover (230) is fixed with an opening and closing control link (252) extending radially therein. The extension direction of the opening and closing control link (252) is perpendicular to the rotation axis of the first fixed hinge (201). The inner end of the bottom cover opening and closing drive rod (25) is connected to the outer end of the opening and closing control link (252) through a third fixed hinge (253).

7. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, The filter press container (23) is provided with a bottom cover locking mechanism (26) on the outside. The bottom cover locking mechanism (26) includes a locking mechanism support (261) fixed on the outside of the filter press container (23) near the lower end. A vertically extending locking drive shaft (262) is rotatably connected to the locking mechanism support (261). A locking constraint eccentric plate (263) is fixed at the lower end of the locking drive shaft (262). A locking drive housing (264) is fixed to the outside of the filter press housing (23). The upper end of the locking drive shaft (262) extends into the interior of the locking drive housing (264). A locking driven worm gear (265) is fixed to one end of the locking drive shaft (262) that extends into the locking drive housing (264). A locking drive motor (266) is fixed inside the locking drive housing (264). A locking drive worm (267) is fixed to the output end of the locking drive motor (266). The locking drive worm (267) meshes with the locking driven worm gear (265).

8. The deep dewatering and filter press equipment for kitchen waste according to claim 1, characterized in that, The filter cake containment tank (213) is equipped with a filter cartridge cleaning mechanism (27). The filter cartridge cleaning mechanism (27) includes a cleaning lifting and fixing cylinder (272) connected to the inside of the filter cake containment tank (213) and with its opening facing upward via a lateral support plate (271). A cleaning lifting and fixing cylinder (273) is slidably connected inside the cleaning lifting and fixing cylinder (272). A cleaning water supply shell (274) is fixed at the top of the cleaning lifting and fixing cylinder (273). A plurality of cleaning nozzles (275) connected to the cleaning water supply shell (274) are fixed on the outside of the cleaning water supply shell (274). A cleaning water storage tank (276) is fixed on the outside of the filter cake containment tank (213). A cleaning delivery pump (277) is fixed in the cleaning water storage tank (276). The output end of the cleaning delivery pump (277) is connected to the inside of the cleaning water supply shell (274) via a pipe. The cleaning lifting fixed cylinder (272) is provided with a cleaning lifting drive rod (278) for driving the cleaning lifting sliding cylinder (273) to move up and down.