WO2013029238A1

WO2013029238A1 - Kitchen garbage processing system

Info

Publication number: WO2013029238A1
Application number: PCT/CN2011/079120
Authority: WO
Inventors: 王健; 舒春亮
Original assignee: 长沙中联重工科技发展股份有限公司; 湖南中联重科专用车有限责任公司
Priority date: 2011-08-30
Filing date: 2011-08-30
Publication date: 2013-03-07

Abstract

A kitchen garbage processing system is disclosed. The processing system includes a storage device (1, 2), a separating device (3, 7) and a collecting device (10) connected sequentially. The storage device is used for receiving and filtering kitchen garbage to obtain filtered mixture and conveying the filtered mixture to the separating device. The separating device is used for separating grease from the filtered mixture and conveying the grease to the collecting device. The collecting device is used for collecting the grease from the separating device. The system processes kitchen garbage by an individual separating device thus to separate grease from the kitchen garbage for recycle and storage. The processing efficiency of the system is high and the operating thereof is stable, and thus the system is suitable for large scale processing of kitchen garbage. The quality of the grease obtained by the system is high.

Description

Kitchen waste treatment system

Technical field

The present invention relates to a kitchen waste treatment system, and in particular to a treatment system capable of efficiently processing kitchen waste. Background technique

In the process of harmless treatment, the kitchen waste needs to be separated from the kitchen waste water and used as raw material for biodiesel or chemical products. At present, more treatment methods are natural sedimentation layering method and grease trap aeration method. The commonly used devices of these two methods are the oil isolation tank and the air floating oil separator.

The oil sump and the air-floating oil separator are similar. They are based on the specific gravity of oil, water and solid residue. The water, water and solid residue are stratified in the pool through the static or auxiliary air flotation. The oil scraping or hydraulic lifting removes the upper layer of oil, the water in the middle layer flows away through the pipe, and the solid residue on the bottom layer can be manually or automatically removed periodically.

The grease trap uses different proportions of oil, water and solid residue. The oil and water mixture is introduced into a series of oil traps. After a period of time, the oil, water and solid residue will be stratified in the tank, so that the upper layer can be passed through the oil scraper. The oil slick is removed, the water in the middle layer flows away through the pipe, and the solid residue in the bottom layer can be manually removed periodically.

The air-floating oil trap is introduced into the oil separator tank through the oil-water mixture, and a large number of tiny bubbles are generated by the micro-bubble generator to accelerate the separation speed of the oil and water. The sewage is in the lower part and flows away, and the oil floats on the upper part of the oil separator tank. It overflows into the fuel tank through hydraulic lifting.

However, the above conventional treatment methods cannot guarantee the quality of the oil, the treatment efficiency is low, the work is unstable, and it is difficult to adapt to the needs of large-scale kitchen waste disposal. Summary of the invention

It is an object of the present invention to provide a kitchen waste treatment system that is capable of processing kitchen waste in a stable and efficient manner.

In order to achieve the above object, the present invention provides a kitchen waste disposal system, wherein the processing system includes a storage device, a separation device, and a collection device, which are sequentially connected, wherein

The storage device is configured to receive kitchen waste and perform filtration to obtain a filtration mixture, and deliver the filtration mixture to the separation device;

The separating device is for separating grease from the filtering mixture and transferring the grease to the collecting device;

The collection device is for collecting grease from the separation device.

Preferably, the storage device comprises a first storage pool and a second storage pool, the first storage pool is configured to receive kitchen waste and filter the kitchen waste to obtain a primary filtration mixture, and the primary filtration mixture Pumping into the second storage tank, the second storage tank is for receiving the primary filtration mixture and filtering the primary filtration mixture to obtain a filtration mixture.

Preferably, the treatment system further includes a press that provides a primary filtration mixture to the second storage tank.

Preferably, a mixer is disposed in the first storage tank and/or the second storage tank. Preferably, the separating device comprises a horizontal centrifuge and a disc centrifuge connected in series, the horizontal centrifuge is for separating an oil-water mixture from the filtering mixture, the disc centrifuge is used for the oil water from the oil The grease is separated from the mixture.

Preferably, the processing system further includes a temporary storage device connected to the first outlet of the horizontal centrifuge and the inlet of the disc centrifuge, the temporary storage device for storing the horizontal The oil-water mixture separated by a centrifuge and pumped the oil-water mixture into the disc centrifuge.

Preferably, the processing system further includes a first heating tank for heating the filtering mixture, the first heating tank including a first liquid inlet, a first liquid outlet, and a first heating device, A liquid inlet is connected to the storage device, the first liquid outlet is connected to an inlet of the horizontal centrifuge, and the first heating device is for heating the filtration mixture.

Preferably, the first heating device is a steam coil.

Preferably, the first heating tank further includes a first overflow port and a first overflow controller, the first overflow controller detecting a liquid level of the filtered mixture in the first heating tank, when After the liquid level reaches a predetermined value, the first spill controller controls to stop pumping the filter mixture into the first heating tank and return the excess filtered mixture to the storage device.

Preferably, the processing system further includes a second heating tank for heating the oil-water mixture, the second heating tank including a second liquid inlet, a second liquid outlet, and a second heating device, the second The inlet port is connected to the first outlet of the horizontal centrifuge, the second outlet port is connected to the inlet of the disc centrifuge, and the second heating device is for heating the oil-water mixture.

Preferably, the processing system further includes a second heating tank for heating the oil-water mixture, the second heating tank including a second liquid inlet, a second liquid outlet, and a second heating device, the second The inlet port is connected to the temporary storage device, the second outlet port is connected to the inlet of the disc centrifuge, and the second heating device is for heating the oil-water mixture.

Preferably, the second heating device is a steam coil.

Preferably, the second heating tank further includes a second overflow port and a second overflow controller, the second overflow controller detecting a liquid level of the oil-water mixture in the second heating tank, when After the liquid level reaches a predetermined value, the second liquid discharge controller controls to stop pumping the oil-water mixture into the second heating tank, and returns the excess oil-water mixture to the temporary storage device.

Preferably, the processing system further includes a control water tank containing control water, the control water tank being connected to a control water inlet of the disc centrifuge, the control water tank being for periodically inputting control water to the disc centrifuge.

Preferably, the control water is tap water filtered through the control water tank.

Preferably, the processing system further comprises a washing water tank containing washing water, the washing water tank being connected to an inlet of the horizontal centrifuge and/or an inlet of the disc centrifuge, the washing water tank The washing water is supplied to the horizontal centrifuge and/or the disc centrifuge.

Preferably, the washing water tank has a steam inlet for inputting steam into the washing tank.

Preferably, the washing water is tap water.

According to the above technical solution, the kitchen waste treatment system of the present invention treats the kitchen waste by a separate separation device, so that the grease is separated from the kitchen waste for recovery and storage. The above method has high processing efficiency and stable operation, and is suitable for large-scale kitchen waste treatment, and the quality of the oil obtained by the above method is high.

Other features and advantages of the invention will be described in detail in the detailed description which follows. DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are in the In the drawing:

1 is a schematic illustration of a preferred embodiment of a kitchen waste treatment system of the present invention. Description of the reference numerals

1 first storage pool 2 second storage pool

3 horizontal centrifuge 31 horizontal centrifuge inlet

32 horizontal centrifuge first outlet 4 first heating tank

41 first liquid inlet 42 first liquid outlet

43 first spill port temporary deposit £

6 second heating tank 61 second inlet

62 second outlet 63 second overflow

7-disc centrifuge 71 inlet of the disc centrifuge 72-disc centrifuge first outlet 73-disc centrifuge control water inlet 8 control water tank 9 cleaning water tank

10 Collection device 11 Press

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are intended to be illustrative and not restrictive.

In the present invention, unless otherwise specified, "resting waste" means a mixture of oil, water and a small amount of solid residue in the kitchen waste; "filtered mixture" means the material subjected to the filtration treatment;

"Primary filtration mixture" means a material that is less filtered than the filtration mixture.

The present invention provides a kitchen waste disposal system, wherein the processing system includes a storage device, a separation device, and a collection device, which are sequentially connected, wherein

The collection device 10 is for collecting grease from the separation device.

The kitchen waste treatment system of the present invention utilizes storage devices, separation devices, and collection devices that are separated and connected to each other to separate the grease in the kitchen waste. . Wherein, the storage device can perform preliminary filtration on the kitchen waste by means of sedimentation, etc., the separation device separates the solid residue and water in the kitchen waste and discards, and collects the grease into the collecting device 10. The separation effect of the above method is obviously superior to the degreasing method by the air floating type oil separator or the grease trap in the prior art, and the separation effect is good, and the separated grease has high quality, and is suitable for large-scale kitchen waste. deal with.

Preferably, the storage device comprises a first storage pool 1 and a second storage pool 2, the first storage pool 1 is configured to receive kitchen waste and filter the kitchen waste to obtain primary filtration mixing. And filtering the primary filtration mixture into the second storage tank 2, the second storage tank 2 for receiving the primary filtration mixture and filtering the primary filtration mixture to obtain a filtration mixture.

The storage device includes a first storage pool 1 and a second storage pool 2. Typically, the first storage pool 1 is connected to a kitchen waste bin, and the kitchen waste is directly stored in the first storage tank 1 and subjected to preliminary filtration. The kitchen waste usually includes grease, water and a small amount of solid residue. Through the initial filtration of the first storage tank 1, a large amount of solid residue in the kitchen waste is filtered, and the filtered grease, water and a small amount of solid residue are pumped to the first Two storage pools 2. The second storage tank 2 can also have the function of filtration and/or sedimentation, so that the primary filtration mixture is again filtered to obtain a filtered mixture, and the filtered mixture is transferred to the separation device.

Preferably, the treatment system further comprises a press 11 which provides a primary filtration mixture for the second storage tank 2.

The first storage tank 1 is configured to receive kitchen waste in a kitchen waste bin. As described above, the kitchen waste generally includes grease, water and a small amount of solid residue, and the kitchen waste has a large amount of solid residue. The first reservoir 1 is required for preliminary filtration and/or precipitation. The press 11 is used for pressing the above-mentioned kitchen waste to remove a large amount of solid residue in the kitchen waste, thereby obtaining a primary filtration mixture composed of grease, water and a small amount of solid residue, and the press 11 will The primary filtration mixture is transferred to the second storage tank 2.

Preferably, a mixer is provided in the first storage tank 1 and/or the second storage tank 2. In order to be able to pump the material in the storage device to the next level of the system for processing, a mixer is usually provided in the first storage tank 1 and/or the second storage tank 2, the mixer being used to make kitchen waste The mixture is more uniform, preventing excessive precipitation of solid residue at the bottom of the tank, thereby allowing the material in the first storage tank 1 and/or the second storage tank 2 to be pumped more thoroughly.

Preferably, the separating device comprises a horizontal centrifuge 3 and a disc centrifuge 7 connected in series, the horizontal centrifuge 3 for separating the oil-water mixture from the filtering mixture, the disc centrifuge 7 being used for The oil is separated from the oil-water mixture. In a preferred embodiment of the invention, the horizontal centrifuge 3 and the disc centrifuge 7 are selected as preferred embodiments of the separation device. The choice and use of these two types of centrifuges is determined by the performance of the centrifuge. Horizontal centrifuges 3 are better able to separate solid and liquid materials, while disc centrifuges 7 are more suitable for liquid substances. Separation.

The horizontal centrifuge 3 can obtain a substantially liquid oil-water mixture and a substantially solid slag after centrifugation. The terms "substantially liquid" and "substantially solid" are used because the separation device is impossible to solidify. The substance and the liquid substance are completely separated, and "basic" means most. Among them, the slag separated by the horizontal centrifuge 3 can be sent to the pulper for pulverization, because the slag contains a large amount of organic substances, so it can be recycled for the production of biogas and the like, greatly improving the utilization rate of materials. Alternatively, the centrifugally separated product of the horizontal centrifuge 3 can be selectively divided into an oil-water mixture, sewage, and slag by the setting and selection of the horizontal centrifuge 3, wherein the oil-water mixture is returned to the temporary storage device 5.

The disc centrifuge 7 separates the grease after centrifugation, and the remaining water and a small amount of residue are directly sent to the sewage mixing tank for storage. The sewage in the sewage mixing tank can be input into the pulper for pulverization of the slag.

Preferably, the processing system further includes a temporary storage device 5 connected to the first outlet 32 of the horizontal centrifuge and the inlet 71 of the disc centrifuge, the temporary storage device 5 being used for The oil-water mixture separated by the horizontal centrifuge 3 is stored, and the oil-water mixture is pumped into the disc centrifuge 7.

Since the capacity of the horizontal centrifuge 3 and the disc centrifuge 7 is limited, the temporary storage device 5 is provided to temporarily store the oil-water mixture between the horizontal centrifuge 3 and the disc centrifuge 7 The oil-water mixture separated by the centrifuge 3 is temporarily stored in the temporary storage device 5. More preferably, the temporary storage device also has a function of filtration and/or sedimentation, thereby facilitating more complete removal of solids from the oil-water mixture. Residue.

Preferably, the processing system further comprises a first heating tank 4 for heating the filtering mixture, the first heating tank 4 comprising a first liquid inlet 41, a first liquid outlet 42 and a first heating device, The first liquid inlet 41 is connected to the storage device, and the first liquid outlet 42 is connected to the inlet 31 of the horizontal centrifuge, and the first heating device is used to heat the filtration mixture.

Before the filtration mixture is sent to the separation unit for separation, that is, before being fed to the horizontal centrifuge 3, the present invention preferably uses the first heating tank 4 to heat the filtration mixture, thereby facilitating the filtration of the mixture in a horizontal centrifuge. The machine 3 is separated, mainly because the grease does not easily adhere to the blades of the centrifuge at higher temperatures. In addition, when the temperature is low, the grease solidifies and becomes solid, which is not only disadvantageous for the centrifugation operation, but also discards it as a solid and solid residue during centrifugation, resulting in waste. The filter mixture is usually heated in the first heating tank 4 to about 85 ° C and then introduced into the horizontal centrifuge 3 .

Preferably, the first heating device is a steam coil.

The first heating means described above may take various forms, such as electric heating, etc., and the present invention preferably employs a steam heating method to heat the filtered mixture in the first heating tank 4 by means of a steam coil. The steam coil is composed of a coiled tube, and hot steam is introduced from one end of the tube, heat exchanges with the outside through the steam coil, and then condensed into water, and the other end of the tube is connected to the condensing water pipe, and the The steam condensed water is reused to save energy and avoid pollution. The steam coil may be disposed at any suitable position, for example, may be disposed inside the first heating tank 4, and the outer tube wall of the steam coil may be in direct contact with the filtering mixture, or may be disposed outside the first heating tank 4 Tank setting.

Preferably, the first heating tank 4 further includes a first liquid overflow port 43 and a first liquid discharge controller, and the first liquid discharge controller detects a liquid level of the filtered mixture in the first heating tank 4. After the liquid level reaches a predetermined value, the first overflow controller controls to stop pumping the filtration mixture into the first heating tank 4, and returns the excess filtration mixture to the storage device. in.

Due to the limitation of the capacity of the first heating tank 4 and the horizontal centrifuge 3, the first heating tank 4 may also have a first overflow port 43. Thus, when the storage device is pumping excess of the filtration mixture to the first heating tank 4, the first overflow controller can detect the filtering mixture in the first heating tank 4. The compound exceeds the rated liquid level, then controls the first liquid inlet port 41 to close, stops continuing to pump the filtering mixture into the first heating tank 4, and opens the first liquid overflow port 43 and flows out through the first liquid overflow port 43. And flowing back to the storage device, according to a preferred embodiment of the storage device comprising the first storage tank 1 and the second storage pool 2, the filtered mixture flows out of the first liquid overflow port 43 and returns to the In the second storage pool 2.

The first spill controller may include a detection module for detecting the liquid level in the first heating tank 4, a processing module for comparing the detected liquid level and the rated liquid level, and for controlling the first liquid inlet according to the comparison result. A control module for opening and closing the port 41 and the first overflow port 43. Generally, the above detection module employs a float valve, and the above control module directly controls the connection between the storage device and the first inlet 41, and the pump between the first overflow port 43 and the storage device.

Preferably, the processing system further includes a second heating tank 6 for heating the oil-water mixture, the second heating tank 6 including a second liquid inlet 61, a second liquid outlet 62, and a second heating device. The second liquid inlet 61 is connected to the first outlet 32 of the horizontal centrifuge, the second liquid outlet 62 is connected to the inlet 71 of the disc centrifuge, and the second heating device is used for The oil-water mixture is heated.

Preferably, the processing system further includes a second heating tank 6 for heating the oil-water mixture, the second heating tank 6 including a second liquid inlet 61, a second liquid outlet 62, and a second heating device. The second liquid inlet 61 is connected to the temporary storage device 5, the second liquid outlet 62 is connected to the inlet 71 of the disc centrifuge, and the second heating device is used to feed the oil-water mixture. heating.

Before the oil-water mixture is fed to the disc centrifuge 3, the present invention preferably uses the second heating tank 6 to heat the oil-water mixture to facilitate separation of the oil-water mixture in the disc centrifuge 7, mainly because Grease does not tend to adhere to the blades of the centrifuge at higher temperatures. In addition, when the temperature is low, the oil will solidify and become solid, which is not only disadvantageous for the centrifugation operation, but also discards it as a solid and solid residue during centrifugation, resulting in waste. The oil-water mixture is usually heated in the second heating tank 6 to 90 ° C - 95 ° C and then passed into a disc centrifuge 7 . Therefore, regardless of the preferred embodiment of the kitchen waste treatment system of the present invention Whether or not the temporary storage device is included in the formula passes through the second heating tank 6 before the oil-water mixture enters the disc centrifuge 7.

Preferably, the second heating device is a steam coil.

The second heating means described above may take various forms, such as electric heating or the like. The present invention preferably employs a steam heating method to heat the oil-water mixture in the second heating tank 6 by means of a steam coil. The steam coil is composed of a coiled tube, and hot steam is introduced from one end of the tube, heat exchanges with the outside through the steam coil, and then condensed into water, and the other end of the tube is connected to the condensing water pipe, and the The steam condensed water is reused to save energy and avoid pollution. The steam coil may be disposed at any suitable position, for example, may be disposed inside the second heating tank 6, and the outer tube wall of the steam coil may be in direct contact with the filtering mixture, or may be disposed outside the second heating tank 6. Tank setting.

Preferably, the second heating tank 6 further includes a second overflow port 63 and a second overflow controller, the second overflow controller detecting the liquid level of the oil-water mixture in the second heating tank 6. After the liquid level reaches a predetermined value, the second liquid discharge controller controls to stop pumping the oil-water mixture into the second heating tank 6, and returns the excess oil-water mixture to the storage device. in.

Due to the limitation of the capacity of the second heating tank 6 and the disc centrifuge 7, the second heating tank 6 can also have a second overflow port 63. Thus, when the oil-water mixture pumped by the temporary storage device to the second heating tank 6 is excessive, the second liquid discharge controller can detect that the oil-water mixture in the second heating tank 6 exceeds the rated liquid level, and then control the second inlet. The liquid port 61 is closed, the pumping of the oil-water mixture to the second heating tank 6 is stopped, and the second overflow port 63 is opened, flows out through the second overflow port 63, and flows back into the temporary storage device.

The second spill controller may include a detection module for detecting the liquid level in the second heating tank 6, a processing module for comparing the detected liquid level and the rated liquid level, and for controlling the first liquid inlet according to the comparison result. A control module for opening and closing the port 41 and the first overflow port 43. Generally, the above detection module adopts a float valve, and the above control module directly controls the connection between the temporary storage device and the second liquid inlet 61, And a pump between the second overflow port 63 and the temporary storage device 5.

Preferably, the processing system further comprises a control water tank 8 containing control water, the control water tank being connected to a control water inlet 73 of the disc centrifuge 7, the control water tank being used for periodically to the disc centrifuge 7 Enter control water.

During the operation of the disc centrifuge 7, the control tank continuously injects control water into the disc centrifuge 7 to ensure its normal operation. Since the oil-water mixture is inevitably mixed with solid residue, the control water is mainly used. The slag is drained inside the disc centrifuge to prevent clogging inside the movement. The water output from the cleaning tank is normal temperature water.

Preferably, the control water is tap water filtered through the control water tank 8. Since the control water is used for slagging inside the disc centrifuge 7, the control of the water is high, and the control tank 8 usually has a function of filtering water, which is clean tap water filtered through the control tank 8.

Preferably, the treatment system further comprises a washing water tank 9 containing washing water, which is connected to an inlet 31 of the horizontal centrifuge 3 and/or an inlet 71 of the disc centrifuge, the washing water tank The washing water is supplied to the horizontal centrifuge 3 and/or the disc centrifuge 7.

The washing water is used to clean the horizontal centrifuge 3 and/or the disc centrifuge 7, so the cleaning tank 9 should be used to clean the horizontal centrifuge 3 and/or the disc centrifuge 7 after the end of the processing system. When the horizontal centrifuge 3 and/or the disc centrifuge 7 are flushed by the washing water tank 9, the processing system of the present invention does not operate, and the horizontal centrifuge 3 and the disc centrifuge 7 are started, and at this time, the two are not The material is injected into the centrifuge, and the washing water tank 9 is flushed to the horizontal centrifuge 3 and/or the disc centrifuge 7 through respective inlets to wash water.

Preferably, the washing water tank 9 has a steam input port 91 for inputting steam into the washing water tank 9.

The steam is directly input into the inside of the washing tank, and is in direct contact with the washing water for heat exchange, and the steam can be condensed into water without causing pollution. Usually, the temperature in the cleaning water tank 9 is maintained at about 90 ° C, so the washing water is also about 90 ° C. Preferably, the washing water is tap water. It should be noted here that the tap water as the clean water is cleaner than the tap water as the control water.

Generally, since the oil-water mixture is heated by the second heating tank 6 before entering the disc centrifuge 7, the grease enters the collecting device 10 from the disc centrifuge 7 and usually has a temperature of about 60 ° C to 70 ° C. Temperature, even in cold weather, the temperature of the collecting device 10 is kept at least 20 degrees or more, in order to collect the temperature of the device not only because it prevents the oil from solidifying at a lower temperature and does not easily flow.

It is to be noted that, in the above description of the preferred embodiment of the present invention, the steam introduced into the first heating tank 4, the second heating tank 6, and the washing water tank 9 is preferably 0.6 MPa. In addition, since the kitchen waste treatment system of the present invention mainly processes a fluid mixture composed of oil, water and a small amount of solid residue, the transfer of fluid between the devices in the system can be transmitted by a pump, or the fluid itself can be utilized. Gravity, that is, by setting the height relationship of each device, the fluid flows from one device to another under the action of gravity. For example, the filter mixture can enter the horizontal centrifuge 3 from the first heating tank 4 by gravity, and the oil-water mixture can rely on gravity. The second heating tank 6 enters the disc centrifuge 7. Accordingly, the various embodiments of the present invention described above only give the connection relationship between the devices, and do not give the actual arrangement, that is, within the scope of the present invention, the actual position of each device in the processing system. The arrangement may be arbitrary, for example, the steam connected to the first heating device, the second heating device and the washing water tank may be from the same pipeline, and the other end of the condensed water of the output steam of the first heating device and the second heating device It can also be combined into the same pipe.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments, and various simple modifications of the technical solutions of the present invention may be made within the scope of the technical idea of the present invention. These simple variations are within the scope of the invention.

In addition, it should be noted that the specific technical features described in the foregoing specific embodiments may be combined in any suitable manner without contradiction, in order to avoid The necessary repetition of the present invention will not be further described in the various possible combinations.

In addition, any combination of various embodiments of the invention may be made, as long as it does not deviate from the idea of the invention, and should also be regarded as the disclosure of the invention.

Claims

Rights request

A kitchen waste disposal system, characterized in that the processing system comprises a storage device, a separation device and a collection device, which are sequentially connected, wherein

The collection device (10) is used to collect grease from the separation device.

2. The kitchen waste treatment system according to claim 1, wherein the storage device comprises a first storage pool (1) and a second storage pool (2), wherein the first storage pool (1) Receiving kitchen waste and filtering the kitchen waste to obtain a primary filtration mixture, and pumping the primary filtration mixture into the second storage tank (2), wherein the second storage tank (2) is used for Receiving the primary filtration mixture and filtering the primary filtration mixture to obtain a filtration mixture

3. The kitchen waste treatment system according to claim 1, wherein the treatment system further comprises a press (11), the press (11) providing primary filtration for the second storage tank (2) mixture.

The kitchen waste treatment system according to claim 2, characterized in that the first storage tank (1) and/or the second storage tank (2) are provided with a mixer.

5. The kitchen waste treatment system according to claim 1, wherein the separating device comprises a horizontal centrifuge (3) and a disc centrifuge (7) connected in series, the horizontal centrifuge (3) Used to separate the oil-water mixture from the filtered mixture, the disc centrifuge (7) is used for The oil is separated from the oil-water mixture.

The kitchen waste treatment system according to claim 5, wherein the processing system further comprises a temporary storage device (5), and the temporary storage device (5) and the horizontal centrifuge (3) a first outlet (32) connected to an inlet (71) of the disc centrifuge (7), the temporary storage device (5) for storing the oil-water mixture separated by the horizontal centrifuge (3), The oil-water mixture is pumped into the disc centrifuge (7).

7. The kitchen waste treatment system of claim 5, wherein the processing system further comprises a first heating tank (4) for heating the filtration mixture, the first heating tank

(4) comprising a first liquid inlet (41), a first liquid outlet (42) and a first heating device, the first liquid inlet (41) being connected to the storage device, the first liquid discharge A port (42) is connected to the inlet (31) of the horizontal centrifuge (3) for heating the filter mixture.

8. The kitchen waste treatment system according to claim 7, wherein the first heating device is a steam coil.

9. The kitchen waste treatment system according to claim 7, wherein the first heating tank (4) further comprises a first overflow port (43) and a first overflow controller, the first overflow a liquid controller detects a liquid level of the filtration mixture in the first heating tank (4), and after the liquid level reaches a predetermined value, the first liquid discharge controller controls to stop to the first heating tank ( 4) pumping the filtration mixture and returning the excess filtered mixture to the storage device.

10. The kitchen waste treatment system according to claim 5, wherein said treatment system further comprises a second heating tank (6) for heating said oil-water mixture, said second heating tank (6) comprising a second liquid inlet (61), a second liquid outlet (62) and a second heating device, the second liquid inlet (61) and the first of the horizontal centrifuge (3) The outlet (32) is connected, the second outlet (62) is connected to the inlet (71) of the disc centrifuge (7), and the second heating means is for heating the oil-water mixture.

11. The kitchen waste treatment system according to claim 6, wherein the treatment system further comprises a second heating tank (6) for heating the oil-water mixture, the second heating tank (6) The second liquid inlet (61), the second liquid outlet (62) and the second heating device are included, and the second liquid inlet (61) is connected to the temporary storage device (5), and the second outlet A liquid port (62) is connected to the inlet (71) of the disc centrifuge (7) for heating the oil-water mixture.

12. The kitchen waste treatment system according to claim 10 or 11, wherein the second heating device is a steam coil.

13. The kitchen waste treatment system according to claim 11, wherein the second heating tank (6) further comprises a second overflow port (63) and a second overflow controller, the second overflow a liquid controller detects a liquid level of the oil-water mixture in the second heating tank (6), and after the liquid level reaches a predetermined value, the second liquid discharge controller controls to stop to the second heating tank ( 6) pumping the oil-water mixture, and returning the excess oil-water mixture to the temporary storage device (5).

14. The kitchen waste treatment system according to claim 5, wherein the processing system further comprises a control water tank (8) containing control water, the control water tank and the disc centrifuge (7) A control water inlet (73) is connected, and the control water tank is used for periodically to the disc centrifuge

(7) Enter the control water.

The kitchen waste treatment system according to claim 14, wherein the control water is tap water filtered through the control water tank (8).

The kitchen waste treatment system according to claim 5, wherein the processing system further comprises a washing water tank (9) containing washing water, the washing water tank and the horizontal centrifuge (3) An inlet (31) and/or an inlet (71) of the disc centrifuge (7) is connected to the horizontal centrifuge (3) and/or the disc centrifuge (7) Enter the wash water.

The kitchen waste treatment system according to claim 16, wherein the washing water tank (9) has a steam input port (91) for feeding the washing water tank (9) ) Enter steam inside.

The kitchen waste treatment system according to claim 16, wherein the washing water is tap water.