CN115958039A - Integrated kitchen waste three-phase separation equipment - Google Patents
Integrated kitchen waste three-phase separation equipment Download PDFInfo
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- CN115958039A CN115958039A CN202211594088.5A CN202211594088A CN115958039A CN 115958039 A CN115958039 A CN 115958039A CN 202211594088 A CN202211594088 A CN 202211594088A CN 115958039 A CN115958039 A CN 115958039A
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 32
- 238000005191 phase separation Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 239000004519 grease Substances 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 11
- 239000000706 filtrate Substances 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 14
- 239000002351 wastewater Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The invention discloses integrated kitchen waste three-phase separation equipment which comprises an equipment main body, wherein a waste sorting system, a tubular filtering system, an oil purifying system, a heat supply system and an electric control cabinet which is arranged on one side of the equipment main body and used for controlling each system are arranged in the equipment main body; according to the invention, the garbage lifting device, the integrated sorting device, the tubular filter, the air energy heat supply device and the like are integrated in the equipment main body, so that the integration of functions of kitchen garbage storage, crushing, squeezing, filtrate storage, solid-liquid separation, oil-water separation and the like is realized; the core equipment is only provided with the integrated sorting device and the tubular filter, the process is simple, the failure rate is low, the investment and the operation cost are relatively low, and the method is suitable for small-scale places with low economic benefits such as villages and towns, schools and resorts.
Description
Technical Field
The invention relates to the technical field of kitchen waste treatment equipment, in particular to integrated kitchen waste three-phase separation equipment.
Background
The kitchen waste wastewater contains a large amount of grease, scum and suspended matters, insoluble substances in the wastewater mainly comprise organic matters such as cellulose, insoluble protein and fat and inorganic matters such as gravel, soil and bone, and the kitchen waste wastewater is characterized in that the organic matters are easy to attach to pipelines and pool walls, the biochemical degradation time of the substances is long and is at least more than 2 months, and the normal and stable operation of a process system can be seriously influenced by the long-term accumulation of the insoluble substances in a biochemical system. Therefore, the necessary pretreatment process is adopted, insoluble substances in the wastewater are effectively removed, the operation efficiency of the subsequent process can be greatly improved, and the operation cost is reduced.
With the coming out of national policies and regulations, the kitchen waste treatment business is developed in a blowout manner, but is basically directed to large-scale kitchen waste treatment projects of cities and towns, but is rarely applied to small-scale kitchen waste treatment in villages and towns, schools, hotels, resorts and the like; in addition, centralized kitchen waste disposal faces the characteristics of large investment cost, high operation cost, large occupied area and the like, cannot be suitable for limited places such as hotels, resort villages and the like, and is not beneficial to kitchen waste collection and transfer places. The operators in the part of places are generally combined by internal staff, and the professional degree is low.
Therefore, the kitchen waste treatment equipment which has the advantages of small occupied area, quickness in installation, safety and simplicity in use, low investment and operation cost and high automation degree is urgently needed, and the kitchen waste treatment equipment meets the kitchen waste treatment requirements of places such as counties, villages and towns, cate cities, hotels, resorts, schools and the like.
Disclosure of Invention
In view of the above defects in the prior art, the technical purpose of the present invention is to provide an integrated kitchen waste three-phase separation device, which solves the problems of large investment cost, high operation cost and large floor area in small-scale kitchen waste treatment in villages and small towns, schools, resorts and the like of the current kitchen waste treatment device.
In order to achieve the technical purpose, the invention provides integrated kitchen waste three-phase separation equipment which comprises an equipment main body, wherein a waste sorting system, a tubular filtering system, an oil purifying system, a heat supply system and an electric control cabinet which is arranged on one side of the equipment main body and is used for controlling each system are arranged in the equipment main body;
the garbage sorting system separates garbage into solid slag and leachate, wherein the solid slag is conveyed to a slag storage hopper arranged in the equipment main body and is discharged out of the equipment main body through a sludge discharge pump; the leachate is collected in a leachate storage tank of the garbage sorting system and is conveyed to the tubular filtering system through a leachate lifting pump arranged in the equipment main body;
the tubular filtering system comprises a tubular filter, a plurality of filtering screens with sequentially increasing meshes are arranged in the tubular filter from bottom to top and are used for filtering percolate step by step, and the filtered percolate is discharged into the grease purification system through a water outlet arranged at the bottom of the tubular filter;
the oil purification system is used for realizing oil-water separation of the percolate, and the separated oil is discharged out of the equipment main body;
and the heat supply system is used for heating the garbage sorting system and the grease purification system to realize the oil-water separation of the percolate.
Preferably, one end of each screen is connected with the central rotating shaft arranged on one side of the tubular filter through a connecting rod, and the other end of each screen is supported through a riding wheel arranged on the other side of the tubular filter;
the central rotating shaft is in transmission connection with the driving motor through a transmission chain.
Preferably, tubular filtration system still includes the air compressor machine, tubular filter corresponds each the position of screen cloth is provided with gas washing pipeline and spiral slag discharging device respectively, the air compressor machine respectively with each gas washing pipeline intercommunication, each spiral slag discharging device all with the storage sediment fill intercommunication.
Preferably, the tubular filter is of a closed structure as a whole, and an access window is arranged at the top of the tubular filter.
Preferably, the shell contact portions of the tube filters are respectively provided with a sealing ring.
Preferably, a differential pressure gauge is respectively arranged between the adjacent screens.
Preferably, each of said screens is a cylindrical screen comprised of a plurality of removable segments.
Preferably, the waste sorting system comprises a waste lifting device and an integrated sorting device; the garbage lifting device is used for receiving garbage and pouring the garbage into the integrated sorting device; the top of the integrated sorting device is provided with a hopper, the middle of the integrated sorting device is provided with a crushing and slag-paddle separating device, the bottom of the integrated sorting device is provided with a leachate storage pool, and a heat exchange coil is arranged in the leachate storage pool.
Preferably, the grease purifying system comprises a grease purifying tank and a grease discharging pump; the oil purification box is used for realizing oil-water separation of leachate, separated oil is discharged through the oil discharge pump, and a heat exchange coil is also arranged in the oil purification box.
Preferably, the heat supply system comprises a hot water tank, an air energy heat supply device, a heat exchange water pump and a circulating water pump; the circulating water pump realizes water circulation between the air energy heating device and the hot water tank, and the heat exchange water pump is used for conveying hot water in the hot water tank to the percolate storage pool and a heat exchange coil in the grease purification tank.
Preferably, the grease purifying box comprises an oil storage unit and a storage unit, and a heat exchange coil is arranged in the storage unit.
The invention has the beneficial effects that:
according to the invention, the garbage lifting device, the integrated sorting device, the tubular filter, the air energy heat supply device and the like are integrated in the equipment main body, so that the integration of functions of kitchen garbage storage, crushing, squeezing, filtrate storage, solid-liquid separation, oil-water separation and the like is realized; the core equipment only comprises an integrated sorting device and a tubular filter, the process is simple, the failure rate is low, the investment and the operation cost are relatively low, and the method is suitable for small-scale places with low economic benefits such as villages, towns, schools and resort villages.
Furthermore, the tubular filter replaces the traditional three-phase centrifuge and solid-liquid separator, has simple process, and greatly reduces the investment and the operating cost; the tubular filter is provided with a plurality of filter screens and is provided with an independent automatic cleaning and deslagging device, so that solid particles with different particle sizes are separated in one device; the filtering screens with different apertures can be replaced according to requirements, and the separation requirements of different subsequent wastewater treatment units on the filtrate can be realized on the premise of not replacing the main body equipment of the tubular filter; the tubular filter is used as a device for intercepting solid particles and grease in the percolate, so that the content of organic matters in the percolate can be effectively reduced, and the subsequent wastewater treatment load is reduced.
The air energy heat supply device provided by the invention does not need an external steam pipeline, and reduces the operation cost on the premise of improving the use safety.
Drawings
FIG. 1 is a schematic structural view of the bottom of a main body of an apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the top portion of FIG. 1;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the tubular filter of FIG. 2;
fig. 6 is a schematic cross-sectional view of the side view of fig. 5.
In the figure: 1 rubbish hoisting device, 2 integral type sorting unit, 3 filtration liquid elevator pumps, 4 tubular filter, 5 storage hopper, 6 dredge pump, 7 automatically controlled cabinets, 8 hot-water tanks, 9 air can heating device, 10 heat transfer water pump, 11 circulating water pump, 12 air compressors, 13 tubular filter inlet tubes, 14 one-level filter screen, 15 one-level gas wash pipelines, 16 one-level spiral slag discharging device, 17 second grade filter screen, 18 second grade gas wash pipelines, 19 second grade spiral slag discharging device, 20 third grade filter screen, 21 third grade gas wash pipelines, 22 third grade spiral slag discharging device, 23 delivery ports, 24 riding wheels, 25 sealing rings, 26 driving motors, 27 drive chains, 28 center pivot, 29 grease purification case, 30 grease efflux pump.
Detailed Description
The conception, specific structure and technical effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.
Example (b):
as shown in fig. 1-6, the integrated kitchen waste three-phase separation device comprises a device main body, a waste sorting system, a tubular filtering system, an oil purifying system, a heat supply system and an electric control cabinet 7, wherein the waste sorting system, the tubular filtering system, the oil purifying system and the heat supply system are arranged in the device main body, and the electric control cabinet 7 is arranged on one side of the device main body and used for controlling each system; the garbage sorting system consists of a garbage lifting device 1 and an integrated sorting device 2; the tubular filtering system consists of a tubular filter 4 and an air compressor 12; the oil purification system consists of an oil purification box 29 and an oil discharge pump 30; the heat supply system consists of a hot water tank 8, an air energy heat supply device 9, a heat exchange water pump 10 and a circulating water pump 11.
In a specific embodiment, the kitchen waste is lifted to the waste sorting equipment 2 through the waste lifting device 1, crushing and slag-slurry separation are carried out in the waste sorting equipment 2, and solid particles of 2-10mm remaining in the leachate are filtered through the filtrate filtering system. And (3) deeply filtering solid particles in the filtrate by using a tubular filter 4, further removing suspended substances in the filtrate, discharging all solid residues into a residue storage hopper 5 for outward transportation and disposal, and discharging the filtrate into a subsequent treatment unit.
Garbage hoisting device 1 promotes the kitchen garbage bin to integral type sorting facilities 2 tops, opens the apron at integral type sorting facilities 2 tops automatically at the in-process that promotes, dumps kitchen garbage to integral type sorting facilities 2, and rubbish is dumped and is unloaded the back, and garbage hoisting device 1 begins to descend, and 2 top apron of integral type sorting facilities are closed simultaneously, guarantee that kitchen garbage disposal process is totally closed. The integrated sorting equipment 2 starts to be started to crush, sort, squeeze and dewater the kitchen waste, and convey solid slag and the like. The residual percolate after sorting is subjected to heat exchange in a percolate storage pool, so that the temperature of the percolate storage pool reaches 40 ℃, and the separation of grease from waste liquid is facilitated.
After the temperature of the percolate reaches the set temperature, the percolate lifting pump 3 is automatically started, and the filtrate enters the tubular filter 4 after being lifted; filtrate enters the tubular filter 4 through the water inlet pipe 13, and then passes through three screens, namely a first-stage filtering screen 14, a second-stage filtering screen 17 and a third-stage filtering screen 20, solid particles, attached grease and the like are intercepted, and wastewater is discharged through the water outlet 23.
Further, the aperture of the primary filtering screen 14 is 50 meshes, particles with the particle size of more than 0.5mm in the percolate are intercepted and attached to the surface of the primary filtering screen 14, and the waste liquid enters an underwater primary filtering area; the aperture of the secondary filtering screen 17 is 100 meshes, the particles with the particle size of 0.2-0.5 mm in the percolate are intercepted, and the waste liquid enters an underwater filtering area; the aperture of the third-stage filtering screen 20 is 200 meshes, and the particles with the particle size of 0.05-0.2 mm in the percolate are intercepted; so far, most particulate matters and insoluble organic matters in the leachate are intercepted, and the wastewater is discharged through a water outlet 26 and enters a subsequent filtrate treatment unit.
One end of the first-stage filter screen 14, one end of the second-stage filter screen 17 and one end of the third-stage filter screen 20 are respectively connected with the central rotating shaft 27 through connecting rods, and the other ends of the first-stage filter screen, the second-stage filter screen 17 and the third-stage filter screen are respectively supported by the supporting wheels 24, so that the stability of the first-stage filter screen, the second-stage filter screen and the third-stage filter screen is kept in the tubular filter 4; the contact part of each stage of filter screen and the shell of the tubular filter 4 is provided with a Y-shaped sealing ring 25 for sealing, so that the percolate can not be lost from a gap between the filter screen and the shell; in the operation process, the speed reduction motor 26 drives the central rotating shaft 28 to rotate through the transmission chain 27, and all levels of filter screens synchronously rotate along with the central rotating shaft 28, so that the blocking objects are prevented from being accumulated on the inner walls of all levels of filter screens, and the filtering uniformity of all levels of filter screens is ensured.
In order to avoid the screen inside the tubular filter 4 from being blocked, a differential pressure gauge is arranged between each stage of filtering screen, and after the operation is carried out for a period of time, the differential pressure gauge detects a blocking signal (taking the first stage of filtering screen 14 as an example, the other stages of filtering screens are the same). The electric control cabinet 7 controls the corresponding electromagnetic valve to be automatically opened, the air compressor 12 provides high-pressure air, the high-pressure air backflushes the outer wall of the primary filtering screen 14 through the primary air washing pipeline 15, particles attached to the inner wall are impacted and fall off by the high-pressure air, the particles are collected through the primary spiral slag discharging device 16 and conveyed to the slag storage hopper 5, the speed reduction motor 26 drives the central rotating shaft 28 to rotate through the transmission chain 27, the primary filtering screen 14 rotates along with the central rotating shaft 28, the primary air washing pipeline 15 keeps still, after the primary filtering screen 14 rotates for a circle, the outer wall is cleaned through the high-pressure air, and the primary filtering screen 14 recovers normal interception capability; during the cleaning of the primary filter screen 14, the candle filter 4 remains in operation.
In practical application, the grease purification tank 29 needs to heat the separated grease to 50 ℃ through heat exchange, so that the grease is fully separated out from the waste liquid, and the purpose of grease purification is achieved; the finally collected grease can be sold and processed into industrial grease or other products.
In order to better realize oil-water separation, the heat supply system is an air energy heat supply device 9, a circulating water pump 11 realizes water circulation between the air energy heat supply device 9 and the hot water tank 8, and a heat exchange water pump 10 is used for conveying hot water in the hot water tank 8 to a percolate storage pool and a heat exchange coil in the grease purification tank 29; the leachate storage tank, the hot water tank 8 and the grease purification tank 29 are heated through a heat exchange water pump 10 and a heat exchange coil; the grease purifying box 29 comprises an oil storage unit and a storage unit, and a replacement heat coil is arranged in the storage unit.
Compared with the traditional electric heating or steam heating, the air energy heating device 9 greatly improves the safety and the economy; the air energy heat supply device 9 is arranged at the top of the equipment main body, and the hot water tank 8 is arranged at the bottom of the equipment main body, so that the space of the equipment main body is fully utilized.
In some embodiments, candle filter 4 is a closed structure overall, with no odor spillage; the top of the tubular filter 4 is provided with an overhaul window, and daily maintenance and replacement of various filtering screens can be performed.
In other embodiments, each stage of the filter screen is a cylindrical screen composed of 6-12 pieces of detachable blocks, which can be replaced respectively.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the above teachings. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.
Claims (11)
1. Integrated form kitchen garbage three-phase splitter, including the equipment main part, its characterized in that: the equipment body is internally provided with a garbage sorting system, a tubular filtering system, an oil purifying system, a heat supply system and an electric control cabinet which is arranged on one side of the equipment body and used for controlling each system;
the garbage sorting system separates garbage into solid slag and leachate, wherein the solid slag is conveyed to a slag storage hopper arranged in the equipment main body and is discharged out of the equipment main body through a sludge discharge pump; the leachate is collected in a leachate storage tank of the garbage sorting system and is conveyed to the tubular filtering system through a leachate lifting pump arranged in the equipment main body;
the tubular filtering system comprises a tubular filter, a plurality of filtering screens with sequentially increasing meshes are arranged in the tubular filter from bottom to top and are used for filtering percolate step by step, and the filtered percolate is discharged into the grease purification system through a water outlet arranged at the bottom of the tubular filter;
the oil purification system is used for realizing oil-water separation of the percolate, and the separated oil is discharged out of the equipment main body;
and the heat supply system is used for heating the garbage sorting system and the oil purification system to realize the oil-water separation of the percolate.
2. The integrated kitchen waste three-phase separation device according to claim 1, characterized in that: one end of each screen is connected with a central rotating shaft arranged on one side of the tubular filter through a connecting rod, and the other end of each screen is supported through a riding wheel arranged on the other side of the tubular filter;
the central rotating shaft is in transmission connection with the driving motor through a transmission chain.
3. The integrated kitchen waste three-phase separation device according to claim 2, characterized in that: tubular filtration system still includes the air compressor machine, tubular filter corresponds each the position of screen cloth is provided with gas washing pipeline and spiral slag discharging device respectively, the air compressor machine respectively with each gas washing pipeline intercommunication, each spiral slag discharging device all with the storage sediment fill intercommunication.
4. The integrated kitchen waste three-phase separation device according to any one of claims 1 to 3, wherein: the tubular filter is integrally of a closed structure, and an access window is arranged at the top of the tubular filter.
5. The integrated kitchen waste three-phase separation device according to claim 4, characterized in that: and the shell contact parts of the tubular filter are respectively provided with a sealing ring.
6. The integrated kitchen waste three-phase separation device according to claim 4, characterized in that: and a differential pressure gauge is respectively arranged between the adjacent screens.
7. The integrated kitchen waste three-phase separation device according to claim 4, characterized in that: each screen is a cylindrical screen composed of a plurality of detachable blocks.
8. The integrated kitchen waste three-phase separation device according to claim 1, characterized in that: the garbage sorting system comprises a garbage lifting device and an integrated sorting device; the garbage lifting device is used for receiving garbage and pouring the garbage into the integrated sorting device; the top of the integrated sorting device is provided with a hopper, the middle of the integrated sorting device is provided with a crushing and slag-paddle separating device, the bottom of the integrated sorting device is provided with a leachate storage pool, and a heat exchange coil is arranged in the leachate storage pool.
9. The integrated kitchen waste three-phase separation device according to claim 2, characterized in that: the oil purification system comprises an oil purification box and an oil discharge pump; the oil purification box is used for realizing oil-water separation of leachate, separated oil is discharged through the oil discharge pump, and a heat exchange coil is also arranged in the oil purification box.
10. The integrated kitchen waste three-phase separation device according to claim 3, characterized in that: the heat supply system comprises a hot water tank, an air energy heat supply device, a heat exchange water pump and a circulating water pump; the circulating water pump realizes water circulation between the air energy heating device and the hot water tank, and the heat exchange water pump is used for conveying hot water in the hot water tank to the percolate storage pool and a heat exchange coil in the grease purification tank.
11. The integrated kitchen waste three-phase separation device according to claim 4, characterized in that: the grease purifying box comprises an oil storage unit and a storage unit, wherein a heat exchange coil is arranged in the storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211594088.5A CN115958039A (en) | 2022-12-13 | 2022-12-13 | Integrated kitchen waste three-phase separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211594088.5A CN115958039A (en) | 2022-12-13 | 2022-12-13 | Integrated kitchen waste three-phase separation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN115958039A true CN115958039A (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211594088.5A Pending CN115958039A (en) | 2022-12-13 | 2022-12-13 | Integrated kitchen waste three-phase separation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117623553A (en) * | 2023-12-28 | 2024-03-01 | 上海泓济环保科技股份有限公司 | Kitchen waste leachate pretreatment system and pretreatment method |
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| CN117623553A (en) * | 2023-12-28 | 2024-03-01 | 上海泓济环保科技股份有限公司 | Kitchen waste leachate pretreatment system and pretreatment method |
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