CN213763401U

CN213763401U - Distributed kitchen waste treatment equipment

Info

Publication number: CN213763401U
Application number: CN202022268043.1U
Authority: CN
Inventors: 钟富仁
Original assignee: Shanghai Xukang Environmental Protection Technology Co ltd
Current assignee: Shanghai Xukang Environmental Protection Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to a refuse treatment technical field especially relates to a kitchen garbage treatment equipment. Distributed kitchen waste treatment equipment, including the equipment casing, be equipped with the main tank body that is used for fermenting kitchen waste in the equipment casing, still include sorting device, broken wiping arrangement, oil-water separator and filtration liquid processing apparatus. The utility model is used for kitchen garbage's biological bacterial fermentation decomposes, has rational in infrastructure, and fermentation efficiency is high, can realize the advantage of pollution-free emission.

Description

Distributed kitchen waste treatment equipment

Technical Field

The utility model relates to a refuse treatment technical field especially relates to a kitchen garbage treatment equipment.

Background

Everyone throws away a lot of rubbish every day, and in some areas that refuse management is better, most rubbish can get innoxious processing such as sanitary landfill, burning, compost, and the rubbish in more places is often simply piled up or buried, leads to the spread of foul smell, and pollutes soil and groundwater. Therefore, the garbage is classified and recycled, waste is changed into valuable, and the method has important significance for improving the environmental awareness of the whole people and recycling resources.

With the increasing popularity of garbage classification, people have more clear consciousness on garbage classification, wherein the kitchen garbage is organic garbage comprising leftovers, vegetable leaves, fruit peels, egg shells, tea residues, bones, shells and the like, and if the garbage is directly incinerated, the temperature of an incinerator is reduced, and even the service life of the incinerator is reduced. If buried, organic garbage is decomposed by microorganisms in nature, but is not properly disposed of, and may not only be harmful to sanitation but also pollute air and water. Therefore, the kitchen waste treatment equipment for treating the kitchen waste is operated and produced, the existing kitchen waste treatment equipment generally adopts biological strains to carry out high-temperature and high-speed fermentation on the kitchen waste, so that the biological treatment is realized, the secondary pollution to the environment is avoided, and the fermented kitchen waste is changed into waste and is protected and can be reused as an organic raw material.

However, the existing kitchen waste treatment equipment has the defects that the fermentation and decomposition effects are influenced due to more impurities, and a lot of percolate can be generated in the kitchen waste treatment process, and the percolate contains higher organic matters and ammonia nitrogen, so that the ground surface water and underground water can be seriously polluted if the percolate is directly discharged into the ground surface environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a distributing type kitchen garbage treatment equipment to solve above-mentioned technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

the distributed kitchen waste treatment equipment comprises an equipment shell, wherein a main box body for fermenting kitchen waste is arranged in the equipment shell, and the equipment shell also comprises a sorting device, a crushing and squeezing device, an oil-water separation device and a percolate treatment device;

the sorting device comprises a sorting table, a conveying device is arranged on the sorting table, a garbage lifting device is arranged on the left side of the sorting table, a crushing and squeezing device is arranged on the right side of the sorting table, garbage dumped by the garbage lifting device is received at one end of the conveying belt, the garbage is conveyed to an inlet of the crushing and squeezing device by the other end of the conveying belt, and a platform for workers to stand is arranged on the front side of the sorting table;

the crushing and squeezing device comprises a feed hopper, a discharge port of the feed hopper is communicated with a feed inlet of the crusher, a discharge port of the crusher is communicated with a feed inlet of the squeezing machine, a discharge port of the squeezing machine is communicated with a feed inlet of the main box body, and a liquid outlet of the squeezing machine is connected with the oil-water separation device;

the oil-water separation device comprises an oil-water separation shell, a water inlet is formed in the left side of the top of the oil-water separation shell, an oil outlet is formed in the upper portion of the right side of the oil-water separation shell, a water outlet is formed in the lower portion of the right side of the oil-water separation shell, at least three partition plates are arranged in the oil-water separation shell, the oil-water separation shell is divided into at least four communicated areas by the at least three partition plates, and communication ports among the at least four communicated areas are arranged at intervals up and down;

and the water outlet of the oil-water separation device is connected with the filtrate treatment device.

The utility model discloses a during the use, promote kitchen garbage to conveyor's conveyer belt through rubbish hoisting device on, the workman stands on the platform, and the kitchen garbage that metal and glass etc. in with kitchen garbage can't decompose through biological bacterial fermentation sorts out through artificial mode to carry the kitchen garbage of accomplishing the letter sorting to broken wringing device on next step through the conveyer belt. The oil-water separation device is used for separating oil from water, the wastewater separated from the water outlet can be directly discharged or recycled as reclaimed water after being filtered by the filtrate treatment device, and the oil separated from the oil outlet can be collected. The kitchen waste after the design can be sufficiently fermented and decomposed in the main box body.

The top of the main box body extends upwards and is provided with a feeding hole, and a discharging hole is formed in the lower front or the lower rear of the main box body;

a sealed heat exchange cavity is formed between the outer surface of the main box body and the equipment shell by adopting a sealing structure, a water inlet and a water outlet which are communicated with the heat exchange cavity are formed in the equipment shell, at least one electric heating pipe is arranged in the heat exchange cavity, and a power cord for heating of the electric heating pipe extends out of the equipment shell; at least three heat conduction pipes are arranged in the heat exchange cavity, and the at least three heat conduction pipes are respectively arranged at the left side edge, the right side edge and the bottom of the main box body.

The utility model discloses compare with traditional kitchen garbage treatment facility, abandoned and laid a large amount of electric heating pipe modes, during the use, intake through the water inlet, be full of heat exchange water with the heat exchange chamber for the main tank body forms the water heat transfer heat exchange of a water bath form, and this kind of exchange efficiency is high. At least one electric heating pipe heats the heat exchange water in the heat exchange cavity, because electric heating pipe is not laid in a large number, in order to make main box physical stamina thermally equivalent, the utility model discloses add the heat pipe, through the heat pipe heat conduction in main box both sides limit and bottom, the heat that will be close to electric heating pipe passes through other regions of heat pipe direction, realizes the purpose of main box thermally equivalent. Because the heat conduction pipe does not need to be arranged in a large number of wires and the like, and does not need to be heated by energy consumption, the energy consumption is reduced, the cost for laying and maintaining the electric heating pipe is reduced, and the cost for treating the kitchen waste is also reduced.

At least one heat conduction pipe is arranged on the side of the electric heating pipe. The heat conduction pipes may be radially distributed around the electric heating pipe.

Two electric heating pipes are horizontally arranged in the heat exchange cavity and are respectively positioned on the left side edge and the right side edge of the main box body at the same height.

Two electric heating pipes are horizontally arranged in the heat exchange cavity, one electric heating pipe is positioned below the left side outside the main box body, and the other electric heating pipe is positioned above the right side outside the main box body.

The heat exchange cavity is internally and horizontally provided with four electric heating pipes, two electric heating pipes are respectively positioned below the left side and the right side of the main box body at the same height, and the other two electric heating pipes are respectively positioned above the left side and the right side of the main box body at the same height.

The heat conduction pipes are arranged in a row and horizontally paved at the outer bottom of the main box body.

The heat conduction pipes are arranged in a row on the left side or the right side outside the main box body, and the heat conduction pipes are vertically laid on the left side or the right side outside the main box body.

And at least one temperature sensor is arranged in the heat exchange cavity far away from the electric heating pipe, and the signal output end of the at least one temperature sensor is connected with the control end of the electric heating pipe. The temperature sensor senses the temperature of water in the heat exchange cavity far away from the electric heating pipe so as to control the electric heating pipe to continue working or stop working.

At least two fixing pieces are respectively arranged on the inner walls of the left side and the right side of the equipment shell and the inner wall of the bottom surface of the equipment shell, one side of each fixing piece is fixed with the inner wall of the equipment shell, and the opposite side of each fixing piece is fixed with the outer wall of the main box body;

each fixing piece is provided with at least one fixing hole, the number and the position of the fixing holes in the two adjacent fixing pieces on the same side are the same, and the heat conduction pipe penetrates through the fixing holes to be fixed in the heat exchange cavity horizontally or vertically. So that the fixing sheet can not only support the main box body, but also be used as a fixing device of the heat conduction pipe.

The conveying device is characterized in that filtering holes for filtering wastewater are uniformly formed in a conveying belt of the conveying device, a collecting tank is arranged below the conveying belt, and activated carbon can be filled in the collecting tank. To facilitate deodorization. Because the utility model discloses what carry is that kitchen garbage, must the water content very big, at the letter sorting in-process, it is possible to appear waste water and stretch the scheduling problem, consequently the utility model discloses a conveyer belt is equipped with numerous filtration pores, filters waste water to collecting in the collecting vat through a large amount of filtration pores.

The control end of the conveying device is connected with a control button, and the control button is positioned on a sorting table in front of the platform. The conveying device can be a conveying device for continuous slow conveying or a conveying device controlled by people. When the impurities such as metal and glass contained in the kitchen waste on the conveying belt are more, manual sorting can be performed firstly, and after sorting is completed, the kitchen waste after sorting is conveyed by pressing a control button.

The platform is arranged on the ladder. When the sorting table is higher, the ladder is used for stepping on the platform to perform sorting work.

The conveyer belt can be made of non-metal materials.

The conveyer belt can also adopt a stainless steel mesh belt.

The crusher comprises a crushing shell, two crushing rollers are transversely arranged in the crushing shell, at least one row of crushing knives is transversely arranged on each crushing roller in a row, and one end of each crushing roller extends out of the crushing shell and is connected with a driving motor;

the rotation directions of the two crushing rollers are opposite rotation, and the feed hopper is arranged above the two crushing rollers.

The top of the partition plate on the leftmost side in the oil-water separation device is fixed with the top of the oil-water separation shell, and the bottom of the partition plate is a preset distance away from the bottom of the oil-water separation shell;

the bottom of the second partition plate on the left side is fixed with the bottom of the oil-water separation shell, and the top of the second partition plate on the left side is a preset distance away from the top of the oil-water separation shell;

the third on the left side the top of the partition board is fixed with the top of the oil-water separation shell, and the bottom of the partition board is a preset distance away from the bottom of the oil-water separation shell, so that at least four communication ports between the areas are arranged at intervals from top to bottom.

Preferably, the number of the partition plates in the oil-water separation shell is odd.

The end part of the partition plate, which is not fixed with the shell, is provided with a bend, and the bend faces to the left side.

The leachate treatment device comprises a pretreatment device, a denitrification device and an ultrafiltration device which are sequentially connected through pipelines; the pretreatment device comprises a sedimentation tank and an SBR reactor for aeration and sedimentation which are sequentially connected through a pipeline; the liquid inlet of the sedimentation tank is connected with the water outlet of the oil-water separator through a first water inlet pipe, the liquid inlet of the sedimentation tank is connected with the liquid outlet of the main tank body through a second water inlet pipe, a sludge pump for pumping out sludge is arranged in the sedimentation tank, and the discharge port of the sludge pump is connected with the feed inlet of the main tank body through a pipeline; the sludge discharge port of the SBR reactor is connected with the feed inlet of the main box body through a pipeline; the denitrification device comprises a first nitrification tank, a denitrification tank and a second nitrification tank which are sequentially communicated; the ultrafiltration device adopts a tubular ceramic ultrafiltration module.

The utility model discloses mainly carry out the effective processing to filtration liquid after the oil water separator separation and filtration liquid that the main tank body fermentation remained the production, at first carry out the sediment of certain time through the sedimentation tank during the processing, most impurity and mud are through deposiing the back, and the mud that can be taken out by the sludge pump in the sedimentation tank can continue to carry out biological bacterial's fermentation in the main tank body again. The percolate clarified by the sedimentation tank enters the SBR reactor through a pipeline, anaerobic aeration, aerobic aeration and secondary sedimentation are sequentially carried out, and the settled sludge also enters the main box body again through the pipeline for secondary fermentation. Then, the clear percolate is sequentially subjected to nitrification, denitrification and re-nitrification of the denitrification device for sufficient denitrification, organic matters, ammonia nitrogen, total ammonia nitrogen and other pollutants in the percolate can be effectively degraded, and finally the percolate is filtered by the ultrafiltration device and then discharged or recycled as reclaimed water. After the leachate is treated, the removal rate of organic COD and the removal rate of total nitrogen can reach more than 99 percent.

Nitrifying fillers are respectively filled in the first nitrifying tank and the second nitrifying tank, and denitrifying fillers are filled in the denitrifying tanks.

The denitrification device comprises a denitrification shell, two partition plates are arranged in the denitrification shell, the two partition plates divide the interior of the denitrification shell into three independent chambers, and the first nitrification tank, the denitrification tank and the second nitrification tank are arranged from left to right;

the top parts of the two partition plates are provided with connecting through holes;

a liquid inlet is arranged above the left side face of the denitrification shell, and a liquid outlet is arranged above the right side face of the denitrification shell.

Still include and receive the filter, receive the filter and pass through the tube coupling ultrafiltration device. And filtering the liquid filtered by the ultrafiltration device again through the nano filter, and outputting clear water.

Has the advantages that: due to the adoption of the technical scheme, the utility model is used for kitchen garbage's biological bacterial fermentation decomposes, has rational in infrastructure, and fermentation efficiency is high, can realize the advantage of pollution-free emission.

Drawings

Fig. 1 is a schematic view of a pipeline connection according to the present invention;

FIG. 2 is a schematic view of a structure in the housing of the apparatus of the present invention;

fig. 3 is a schematic structural view of the sorting device of the present invention;

fig. 4 is a schematic view of the internal structure of the crusher of the present invention;

FIG. 5 is a schematic structural diagram of the oil-water separator of the present invention;

fig. 6 is the pipeline connection schematic diagram of the leachate treatment device of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.

Referring to fig. 1, the distributed kitchen waste treatment equipment comprises an equipment shell 1, wherein a main box body 2 for fermenting kitchen waste is arranged in the equipment shell 1. Also comprises a sorting device 6, a crushing and squeezing device 7, an oil-water separating device 8 and a percolate treatment device 9.

Referring to fig. 2, a feed inlet 21 is formed in the top of the main tank 2 after extending upward, and a discharge outlet 22 is formed in the lower front or lower rear of the main tank 2. The wall of the main box body 2 adopts an integral cylindrical structure, and the main box body 2 is horizontally fixed in the equipment shell 1, namely the axial direction of the main box body 2 is transverse. The equipment shell 1 is respectively provided with three maintenance ports, the maintenance ports are provided with maintenance doors, and the three maintenance ports are respectively positioned at the top of the left side and the right side of the outer circumferential surface of the main box body 2 and the bottom of the main box body 2.

A sealed heat exchange cavity 3 is formed between the outer surface of the main box body 2 and the equipment shell 1 through a sealing structure, a water inlet 31 and a water outlet 32 which are communicated with the heat exchange cavity 3 are arranged on the equipment shell 1, preferably, the water inlet 31 is positioned above, and the water outlet 32 is positioned below. At least one electric heating pipe 4 is arranged in the heat exchange cavity 3, and a heating power wire of the electric heating pipe 4 extends out of the equipment shell 1. Electric heating pipe 4's setting can be according to heat exchange chamber 3 size reasonable setting 1 to 4, all can the level setting in heat exchange chamber 3 during the setting to even heating and later maintenance. For example, two electric heating tubes 4 are horizontally arranged in the heat exchange cavity 3, the two electric heating tubes 4 are respectively located on the left side and the right side of the main box body 2 at the same height, or one electric heating tube 4 is located below the left side of the main box body 2, and the other electric heating tube 4 is located above the right side of the main box body 2. For example, four electric heating tubes 4 are horizontally arranged in the heat exchange cavity 3, two electric heating tubes 4 are respectively positioned below the left side and the right side of the main box body 2 at the same height, and the other two electric heating tubes are respectively positioned above the left side and the right side of the main box body 2 at the same height.

At least three heat conduction pipes 5 are arranged in the heat exchange cavity 3, and the at least three heat conduction pipes 5 are respectively arranged at the left side edge, the right side edge and the bottom of the main box body 2. Preferably, at least one heat conductive pipe 5 is located at a side of the electric-heating pipe 4. The heat transfer pipes 5 may be radially distributed around the electric heating pipe 4. The heat conduction pipes 5 are arranged in a row at the outer bottom of the main box body 2, and the row of heat conduction pipes 5 are horizontally paved at the outer bottom of the main box body 2. The heat conduction pipes 5 on the left or right side outside the main tank 2 are arranged in a row, and the row of heat conduction pipes 5 is vertically laid on the left or right side outside the main tank 2. That is, the heat transfer pipes 5 on the left, right, and bottom sides of the main casing 2 are arranged in a row.

At least one temperature sensor is arranged in the heat exchange cavity 3 far away from the electric heating pipe 4, and the signal output end of the at least one temperature sensor is connected with the control end of the electric heating pipe 4. The temperature of the water in the heat exchange chamber 3 away from the electric heating tube 4 is sensed by the temperature sensor so as to control the electric heating tube 4 to continue or stop working. The temperature sensor can be determined according to the volume of the heat exchange cavity 3 and also according to the number of the electric heating pipes 4. For example, when the electric heating tube 4 is one and is disposed at the lower left corner of the heat exchange chamber 3, a temperature sensor is disposed at the upper right corner of the heat exchange chamber 3 away from the electric heating tube 4. For example, when the two electric heating pipes 4 are arranged below the left side and the right side of the heat exchange chamber 3 at the same height, the temperature sensors are respectively arranged above the left side and the right side of the heat exchange chamber 3 far away from the electric heating pipes 4, and the electric heating pipes 4 below are independently controlled.

At least two fixing pieces 11 are respectively arranged on the inner walls of the left side and the right side of the equipment shell 1 and the inner wall of the bottom surface, one side of each fixing piece 11 is fixed with the inner wall of the equipment shell 1, and the opposite side of each fixing piece 11 is fixed with the outer wall of the main box body 2. At least one fixing hole is respectively arranged on each fixing piece 11, the number and the position of the fixing holes on two adjacent fixing pieces 11 on the same side are the same, and the heat conduction pipe 5 penetrates through the fixing holes to be transversely or vertically fixed in the heat exchange cavity 3. When the heat pipe 5 is fixed on the fixing plate 11, it can be fixed by other clamping structure, or by screw, bolt or welding. So that the fixing piece 11 can serve as a fixing means for the heat transfer pipe 5 as well as supporting the main casing 2. The fixing plate 11 is preferably a metal plate for assisting heat conduction.

Compare through the equipment casing 1 of above-mentioned design and main tank body 2 with traditional kitchen garbage treatment facility, abandoned laying a large amount of electric heating pipe 4 modes, during the use, intake through the water inlet, be full of heat exchange water with heat exchange cavity 3 for main tank body 2 forms the water heat transfer heat exchange of a water bath form, and this kind of exchange efficiency is high. At least one electric heating pipe 4 heats the heat exchange water in the heat exchange chamber 3, because electric heating pipe 4 is not laid in a large number, in order to make the main tank body 2 can thermally equivalent, the utility model discloses add heat pipe 5, through the heat pipe 5 heat conduction in the 2 both sides limits of main tank body and bottom, the heat that will be close to electric heating pipe 4 passes through other regions of heat pipe 5 direction, realizes the purpose of main tank body 2 thermally equivalent. Because the heat conduction pipe 5 does not need to be subjected to actions such as large-scale wiring and the like, and energy consumption heating is not needed, the energy consumption is reduced, the cost for laying and maintaining the electric heating pipe 4 is reduced, and the cost for treating the kitchen waste is also reduced.

Referring to fig. 3, the sorting device 6 includes a sorting table, a conveying device is disposed on the sorting table, filtering holes 611 for filtering wastewater are uniformly disposed on a conveying belt 61 of the conveying device, and a collecting tank 62 is disposed below the conveying belt 61. The conveyor belt 61 may be made of a non-metallic material. The conveyor belt 61 may be a stainless steel mesh belt. The holding tank 62 may also be filled with activated carbon. To facilitate deodorization.

The left side of letter sorting platform is equipped with rubbish hoisting device, and the right side of letter sorting platform is equipped with broken wringing device, and the rubbish that rubbish hoisting device emptys is accepted to the one end of conveyer belt 61, and the other end of conveyer belt 61 is carried rubbish to the entry of broken wringing device. The front side of the sorting table is provided with a platform 63 for workers to stand. The platform 63 is disposed on a ladder. When the sorting table is high, the sorting work is performed by stepping on the platform 63 through a ladder.

The control end of the conveying device is connected with a control button, and the control button is positioned on the sorting table in front of the platform 63. The conveying device can be a conveying device for continuous slow conveying or a conveying device controlled by people. When the impurities such as metal and glass contained in the kitchen waste on the conveying belt 61 are more, manual sorting can be performed firstly, and after sorting is completed, the kitchen waste after sorting is conveyed by pressing a control button.

The sorting machine further comprises a pre-detection device, the pre-detection device comprises a moving mechanism 64 and an electromagnet 65 arranged on the moving mechanism 64, the moving mechanism 64 is preferably arranged on the right side of the sorting table, the moving mechanism 64 drives the electromagnet 65 to move up and down or left and right, the control end of the moving mechanism 64 is connected with a moving switch, and the electromagnet 65 is connected with a power supply through an electrifying switch. Preferably, the moving switch and the power-on switch are respectively located on the sorting table in front of the station 63. Below the electromagnet 65 is the conveyor belt 61, the length of the electromagnet 65 is not less than the width of the conveyor belt 61. As shown in fig. 1, the length direction of the electromagnet 65 is the front-rear direction, and the width direction of the conveyor belt 61 is also the front-rear direction. After the design is carried out, the moving switch is pressed, the moving mechanism 64 is driven to work, the moving mechanism 64 drives the electromagnet 65 to move downwards to a preset position, at the moment, the electromagnet 65 is located above one side of the conveying belt 61, after the electromagnet 65 is electrified, metal in the kitchen waste on the conveying belt 61 is adsorbed, the moving mechanism 64 drives the electromagnet 65 to move left and right, in the moving process, the electromagnet 65 scans all the kitchen waste on the conveying belt 61 from left to right or from right to left, in the process, the adsorbed metal can be manually taken down from the electromagnet 65, and primary metal pre-detection work is achieved.

The moving mechanism 64 may be a mechanism that can move the electromagnet 65 up and down and left and right in the prior art, and the moving mechanism 64 may also be implemented as follows:

the moving mechanism 64 comprises a telescopic cylinder fixed on the sorting table, a piston rod of the telescopic cylinder is vertically arranged and connected with a horizontal cylinder, and a piston rod of the horizontal cylinder is transversely arranged and connected with an electromagnet 65. When the conveyer belt 61 is very long, when horizontal cylinder's flexible stroke is less than conveyer belt 61's length, can set up slewing mechanism between horizontal cylinder and telescopic cylinder to with telescopic cylinder setting at the middle part side of conveyer belt 61, after telescopic cylinder is flexible to target in place, carry out the scanning of horizontal cylinder one side earlier, after the scanning is accomplished, rotate horizontal cylinder through slewing mechanism, then carry out the scanning of opposite side, the flexible stroke of horizontal cylinder that only needs to select for use half length of conveyer belt 61 this moment can realize.

The rear side of the conveying belt 61 is also provided with at least one air suction fan, and an air outlet of the air suction fan is connected with a deodorizing device through a pipeline. Because kitchen garbage has certain foul smell mostly, can carry out appropriate amount to the foul smell through the fan of breathing in and inhale and remove, slow down the abominable operational environment when manual sorting.

The utility model discloses a when sorting device used, promote kitchen garbage to conveyor's conveyer belt 61 through rubbish hoisting device on, the workman stands on platform 63, and the mode through artifical combination preliminary examination is unable through the kitchen garbage that biological bacterial fermentation decomposes such as metal in with kitchen garbage and glass sorts out to carry the kitchen garbage of sorting completion to the entry of broken wringing device on next step through conveyer belt 61 and carry out subsequent refuse treatment. Because the utility model discloses what carry is that kitchen garbage, must the water content very big, at the letter sorting in-process, it is possible to appear waste water and stretch the scheduling problem, consequently the utility model discloses a conveyer belt 61 is equipped with numerous filtration hole 611, filters waste water to collecting vat 62 in through a large amount of filtration holes 611.

Referring to fig. 4, the crushing and squeezing device 7 comprises a feed hopper, a discharge port of the feed hopper is communicated with a feed inlet of the crusher, a discharge port of the crusher is communicated with a feed inlet of the squeezing machine, and a liquid outlet of the squeezing machine is connected with an oil-water separation device 8. The discharge port of the squeezing machine is preferably communicated with the feed port of the humidity adjusting device, and the discharge port of the humidity adjusting device is communicated with the main box body 2. The crusher comprises a crushing shell, two crushing rollers 71 are transversely arranged in the crushing shell, at least one row of crushing knives 72 are transversely arranged on each crushing roller 71 in a row, and one end of each crushing roller 71 extends out of the crushing shell and is connected with a driving motor 73. The two crushing rollers 71 rotate in opposite directions, as shown in fig. 4, the left crushing roller 71 rotates clockwise, the right crushing roller 71 rotates counterclockwise, and a feed hopper is arranged above the two crushing rollers 71. Be equipped with two guide blocks on the feeder hopper, the guide block can be fixed inside the feeder hopper through the connecting rod is unsettled. The two guide blocks are respectively electromagnets, and power wires of the electromagnets extend out of the feed hopper. Two guide blocks are arranged above the space between the two crushing rollers 71, and the two guide blocks are obliquely and oppositely arranged to form an inverted V-shaped structure. When the kitchen waste is required to be crushed and squeezed, the electromagnets are electrified, and when the kitchen waste passes through the two electromagnets, the finely crushed metal impurities can be adsorbed, so that the purpose that the crushing knife 72 is easily damaged due to the metal impurities in the crushing process is avoided. The user may clean the electromagnets periodically or in batches.

Humidity control unit includes that device casing, device casing top are equipped with the feed inlet, and device casing below is equipped with the discharge gate, and feed inlet department is equipped with the feed gate, and discharge gate department is equipped with the discharge gate, and feed gate, discharge gate are the electrically operated gate. At least one pressure sensor is arranged on the discharge door, and the signal output end of the pressure sensor is connected with the control end of the feed door. A humidity adjusting mechanism for adjusting the humidity of the kitchen waste is arranged in the device shell. The humidity adjusting mechanism comprises at least one humidity sensor arranged in the device shell, a water spraying device arranged at the top of the device shell and a heating pipe arranged on the side wall of the device shell, wherein the signal output end of the humidity sensor is connected with the signal input end of a comparator, and the signal output end of the comparator is respectively connected with the control end of the water spraying device, the control end of the heating pipe and the control end of a discharge door.

The utility model discloses a broken wringing device arranges biological bacterial fermentation in kitchen garbage in with 2 preceding, carries out the breakage through the breaker to kitchen garbage earlier, carries out the wringing work through the wringing machine. But not every batch kitchen garbage all has similar moisture, probably causes the kitchen garbage to be done futilely or wet excessively after crowded futilely, also does not benefit to biological bacterial's fermentation, consequently the utility model discloses humidity control device has also been add, carries it to the main tank that is equipped with biological bacterial in to carry out fermentation decomposition after carrying out humidity control to kitchen garbage at last. The pressure sensor is used for detecting the weight of the kitchen waste entering the device shell, when the weight reaches a set pressure threshold value, the device shell is considered to be full, the feeding door is closed at the moment, and the kitchen waste humidity adjusting work is carried out. Can confirm the exact humidity of kitchen garbage in the device casing through humidity transducer, when at least one humidity transducer's humidity all is higher than the threshold value scope of comparator, heat the dehumidification and preheat the back to kitchen garbage through the heating pipe, place kitchen garbage in main tank body 2 again. When the humidity of at least one humidity sensor is lower than the threshold range of the comparator, the water is supplemented to the kitchen waste through the water spraying device to increase the humidity, and then the kitchen waste is placed in the main box body 2. And when the humidity of at least one humidity sensor is within the threshold range of the comparator, the feeding door is opened. After all the kitchen waste is transferred to the main box body, the weight detected by the pressure sensor is smaller than a pressure threshold value, and then the feeding door is opened again to continue feeding and humidity adjustment. Through the design, the humidity of the kitchen waste placed in the main box body is always kept in a proper range suitable for biological strains.

Referring to fig. 5, the oil-water separation device 8 includes an oil-water separation housing 81, a water inlet 811 is provided on the left side of the top of the oil-water separation housing 81, an oil outlet 812 is provided above the right side of the oil-water separation housing 81, and a water outlet 813 is provided below the right side of the oil-water separation housing 81. At least three clapboards are arranged in the oil-water separation shell 81, the oil-water separation shell 81 is divided into at least four communicated areas by the at least three clapboards, and communicated openings among the at least four areas are arranged at intervals from top to bottom. Preferably, the number of the partition plates in the oil-water separation housing 81 is odd. The end part of the clapboard which is not fixed with the shell is provided with a bend which faces to the left side. The partition plates may be welded to the front and rear side surfaces of the oil water separation housing 81 in a welding manner, and may be welded to the top surface or the bottom surface of the oil water separation housing 81 in a welding manner. The partition plate may be inserted into the front and rear side surfaces of the oil-water separation housing 81 in an insertion manner, and may be fixed to the top surface or the bottom surface of the oil-water separation housing 81 in a fastening manner, such as clamping, bolts, or screws. As shown in fig. 5, the leftmost partition 821 has a top fixed to the top of the oil-water separation housing 81 and a bottom at a predetermined distance from the bottom of the oil-water separation housing 81, and the bottom of the partition 821 is provided with a bend toward the left side. The bottom of the second left partition 822 is fixed to the bottom of the oil-water separation housing 81, the top of the second left partition 822 is a predetermined distance away from the top of the oil-water separation housing 81, and the bottom of the partition 822 is bent toward the left. The top of the third partition plate 823 on the left is fixed with the top of the oil-water separation shell 81, the bottom of the third partition plate 823 is away from the bottom of the oil-water separation shell 81, a preset distance is reserved between the bottom of the third partition plate 823 and the bottom of the oil-water separation shell 81, and the third partition plate 823 is provided with a bend facing the left side to achieve the fact that the communicating openings among at least four regions are arranged at intervals.

A filter plate 83 is arranged in the oil-water separation shell 81, and the filter plate 83 is positioned below the water inlet 811. The waste water entering through the inlet 811 may contain kitchen waste which is filtered by the filter plate 83. The left side of the oil-water separation shell 81 is provided with a garbage cleaning opening and a garbage cleaning door 84, and the garbage cleaning door 84 is connected with the left side of the oil-water separation shell 81 in a sealing and detachable manner. The filter plate 83 is fixed to the right side of the garbage disposal opening or below the right side. By opening the garbage cleaning door 84, the kitchen garbage on the filter plate 83 can be cleaned. An observation window is arranged on the garbage cleaning door 84. The amount of kitchen waste on the filter plate 83 can be observed through the observation window.

The oil outlet 812 is connected with an oil outlet pipe, and an oil outlet flow sensor is arranged on the oil outlet pipe; the water inlet 811 is connected with a water inlet pipe, and a water inlet flow sensor is arranged on the water inlet pipe; the oil outlet flow sensor and the water inlet flow sensor are respectively connected with a comparator, and the comparator is connected with an alarm. The alarm can be an audible and visual alarm, a loudspeaker or a buzzer or other alarm devices. After the number of the baffle has been set up in water oil separating casing 81, the water inlet 811 inflow and the oil-out 812's that produces oil volume has a more stable proportion, the utility model discloses a comparator carries out the comparison to both flows, when the comparison is greater than the comparator and predetermines the threshold value, the comparator sends alarm signal for the alarm, reports to the police through the alarm, tells user water inlet 811, water oil separating casing 81, filter screen or oil-out 812 and goes wrong, needs to overhaul.

The utility model discloses an oil-water separator is through above-mentioned simple structure, and is different according to the proportion of oil and water, can carry out better oil-water separation to the waste water after the dehydration in the kitchen garbage, as shown in figure 5, from the waste water that water inlet 811 department got into, through cubic oil-water separation after, can directly discharge from the waste water of delivery port 813 separation, and the oil content of following oil-out 812 separation can be collected.

Referring to fig. 6, the leachate treatment apparatus 9 includes a pretreatment apparatus 91, a denitrification apparatus 92, an ultrafiltration apparatus 93, and a nanofiltration apparatus 94, which are sequentially connected by pipes. Wherein, the pretreatment device 91 comprises a sedimentation tank 911 and an SBR reactor 912 which are sequentially connected through a pipeline and are used for aeration and sedimentation. The ultrafiltration device 93 adopts a tubular ceramic ultrafiltration module.

The inlet of sedimentation tank 911 passes through first delivery port 813 of water piping connection oil-water separator 8, and the inlet of sedimentation tank 911 passes through the liquid outlet of second water piping connection main tank body 2, is equipped with the sludge pump that is used for taking mud out in the sedimentation tank 911, and the discharge gate of sludge pump passes through the feed inlet 21 of tube coupling main tank body 2. The sludge discharge port of the SBR reactor 912 is connected with the feed port 21 of the main box body 2 through a pipeline, and the liquid outlet of the SBR reactor 912 is connected with the liquid inlet of the denitrification device 92.

The denitrification device 92 comprises a first nitrification tank, a denitrification tank and a second nitrification tank which are communicated in sequence. Nitrifying fillers are respectively filled in the first nitrifying tank and the second nitrifying tank, and denitrifying fillers are filled in the denitrifying tanks. The denitrification device 92 can be arranged in a plurality of setting modes according to the requirements of the site and the environment:

the first nitrification tank, the denitrification tank and the second nitrification tank are sequentially stacked from top to bottom; a liquid inlet is arranged at the top of the first nitrification tank, and a liquid outlet is arranged at the bottom of the first nitrification tank; a liquid inlet is arranged at the top of the denitrification tank, and a liquid outlet is arranged at the bottom of the denitrification tank; a liquid inlet is formed in the top of the second nitrification tank, and a liquid outlet is formed in the bottom of the second nitrification tank; two adjacent liquid inlets and liquid outlets are oppositely arranged. So that the nitrified or denitrified percolate flows into the next tank to react under the action of gravity. Namely, a liquid inlet of the denitrification tank is arranged below the liquid outlet of the first nitrification tank, and a liquid inlet of the second nitrification tank is arranged below the liquid outlet of the denitrification tank.

The first nitrification tank, the denitrification tank and the second nitrification tank are arranged side by side from left to right; a liquid inlet is arranged at the top of the first nitrification tank, and a liquid outlet is arranged at the upper part of the right side wall of the first nitrification tank; a liquid inlet is arranged at the upper part of the left side wall of the denitrification tank, and a liquid outlet is arranged at the upper part of the right side wall of the denitrification tank; a liquid inlet is formed in the upper part of the left side wall of the second nitrification tank, and a liquid outlet is formed in the upper part of the right side wall of the second nitrification tank; two adjacent liquid inlets and liquid outlets are connected through a pipeline. Namely, the liquid outlet of the first nitrification tank is connected with the liquid inlet of the denitrification tank through a pipeline, and the liquid outlet of the denitrification tank is connected with the liquid inlet of the second nitrification tank through another pipeline.

Preferably, the denitrification device 92 comprises a denitrification housing, two partition plates are arranged in the denitrification housing, the two partition plates divide the interior of the denitrification housing into three independent chambers, and a first nitrification tank, a denitrification tank and a second nitrification tank are respectively arranged from left to right; the top parts of the two partition plates are provided with connecting through holes; a liquid inlet is arranged above the left side surface of the denitrification shell, and a liquid outlet is arranged above the right side surface of the denitrification shell.

The utility model discloses a filtration liquid processing apparatus 9 mainly carries out the effective processing to filtration liquid after 5 separation of oil water separator and the filtration liquid that the main tank body 2 fermentation remained the production, at first carries out the sediment of certain time through sedimentation tank 911 during the processing, and most impurity and mud are through deposiing the back, and the mud that can be taken out by the sludge pump in sedimentation tank 911 can continue to carry out the fermentation of biological bacterial in the main tank body 2 again. The leachate clarified by the sedimentation tank 911 enters the SBR reactor 912 through a pipeline, anaerobic aeration, aerobic aeration and secondary sedimentation are sequentially performed, and the settled sludge also enters the main tank body 2 again through the pipeline for secondary fermentation. Then, the clear leachate is sequentially subjected to nitrification, denitrification and re-nitrification of the denitrification device 92 for sufficient denitrification, organic matters, ammonia nitrogen, total ammonia nitrogen and other pollutants in the leachate can be effectively degraded, and finally the leachate is filtered by the ultrafiltration device 93 and the nanofiltration device 94 in sequence and then is discharged or recycled as reclaimed water. After the leachate is treated, the removal rate of organic COD and the removal rate of total nitrogen can reach more than 99 percent.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The distributed kitchen waste treatment equipment comprises an equipment shell, wherein a main box body for fermenting kitchen waste is arranged in the equipment shell, and the equipment is characterized by further comprising a sorting device, a crushing and squeezing device, an oil-water separation device and a leachate treatment device;

the sorting device comprises a sorting table, a conveying device is arranged on the sorting table, a garbage lifting device is arranged on the left side of the sorting table, a crushing and squeezing device is arranged on the right side of the sorting table, one end of a conveying belt of the conveying device receives garbage dumped by the garbage lifting device, the other end of the conveying belt conveys the garbage to an inlet of the crushing and squeezing device, and a platform for workers to stand is arranged on the front side of the sorting table;

2. The distributed kitchen waste treatment equipment according to claim 1, wherein a feed inlet is formed in the top of the main box body after extending upwards, and a discharge outlet is formed in the lower front or lower rear of the main box body; a sealed heat exchange cavity is formed between the outer surface of the main box body and the equipment shell by adopting a sealing structure, a water inlet and a water outlet which are communicated with the heat exchange cavity are formed in the equipment shell, at least one electric heating pipe is arranged in the heat exchange cavity, and a power cord for heating of the electric heating pipe extends out of the equipment shell; at least three heat conduction pipes are arranged in the heat exchange cavity, and the at least three heat conduction pipes are respectively arranged at the left side edge, the right side edge and the bottom of the main box body.

3. The distributed kitchen waste treatment equipment according to claim 2, wherein the heat conduction pipes are arranged in a row at the outer bottom of the main box body, and the row of heat conduction pipes are horizontally laid at the outer bottom of the main box body;

4. The distributed kitchen waste treatment equipment according to claim 3, wherein at least two fixing pieces are respectively arranged on the inner walls of the left side and the right side of the equipment shell and the inner wall of the bottom surface of the equipment shell, one side of each fixing piece is fixed with the inner wall of the equipment shell, and the opposite side of each fixing piece is fixed with the outer wall of the main box body;

each fixing piece is provided with at least one fixing hole, the number and the position of the fixing holes in the two adjacent fixing pieces on the same side are the same, and the heat conduction pipe penetrates through the fixing holes to be fixed in the heat exchange cavity horizontally or vertically.

5. The distributed kitchen waste treatment equipment according to any one of claims 1 to 4, characterized in that filtering holes for filtering waste water are uniformly arranged on a conveying belt of said conveying device, and a collecting tank is arranged below said conveying belt.

6. The distributed kitchen waste treatment equipment according to any one of claims 1 to 4, characterized in that said crusher comprises a crushing shell, two crushing rollers are transversely arranged in said crushing shell, at least one row of crushing knives is transversely arranged on each crushing roller in a row, and one end of each crushing roller extends out of said crushing shell and is connected with a driving motor;

7. The distributed kitchen waste treatment equipment according to any one of claims 1 to 4, wherein the top of the left-most partition plate in the oil-water separation device is fixed to the top of the oil-water separation housing, and the bottom of the partition plate is a preset distance away from the bottom of the oil-water separation housing;

8. The distributed kitchen waste treatment equipment according to any one of claims 1 to 4, wherein said leachate treatment device comprises a pretreatment device, a denitrification device and an ultrafiltration device which are connected in sequence by a pipeline; the pretreatment device comprises a sedimentation tank and an SBR reactor for aeration and sedimentation which are sequentially connected through a pipeline; the liquid inlet of the sedimentation tank is connected with the water outlet of the oil-water separation device through a first water inlet pipe, the liquid inlet of the sedimentation tank is connected with the liquid outlet of the main tank body through a second water inlet pipe, a sludge pump for pumping out sludge is arranged in the sedimentation tank, and the discharge port of the sludge pump is connected with the feed inlet of the main tank body through a pipeline; the sludge discharge port of the SBR reactor is connected with the feed inlet of the main box body through a pipeline; the denitrification device comprises a first nitrification tank, a denitrification tank and a second nitrification tank which are sequentially communicated; the ultrafiltration device adopts a tubular ceramic ultrafiltration module.

9. The distributed kitchen waste treatment equipment according to claim 8, wherein nitrifying fillers are respectively filled in the first nitrifying pool and the second nitrifying pool, and denitrifying fillers are filled in the denitrifying pools.

10. The distributed kitchen waste treatment equipment according to claim 8, characterized in that said denitrification device comprises a denitrification housing, and two partition plates are arranged in said denitrification housing, and divide the inside of said denitrification housing into three independent chambers, from left to right, respectively being said first nitrification tank, said denitrification tank and said second nitrification tank;