CN112973274B - Filtering device for removing suspended solid impurities in kitchen waste grease - Google Patents
Filtering device for removing suspended solid impurities in kitchen waste grease Download PDFInfo
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- CN112973274B CN112973274B CN202110182565.6A CN202110182565A CN112973274B CN 112973274 B CN112973274 B CN 112973274B CN 202110182565 A CN202110182565 A CN 202110182565A CN 112973274 B CN112973274 B CN 112973274B
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- 238000001914 filtration Methods 0.000 title claims abstract description 57
- 239000010806 kitchen waste Substances 0.000 title claims abstract description 50
- 239000004519 grease Substances 0.000 title claims abstract description 40
- 239000012535 impurity Substances 0.000 title claims abstract description 31
- 239000007787 solid Substances 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims abstract description 24
- 238000005352 clarification Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000000706 filtrate Substances 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 18
- 239000002245 particle Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000306 component Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003225 biodiesel Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filtering device for removing suspended solid impurities in kitchen waste grease, which comprises a tank body, a filter cylinder and a partition plate, wherein the top of the tank body is provided with a feed pipe, the bottom of the tank body is provided with a drain outlet, the partition plate is arranged at the upper part in the tank body, the filter cylinder is arranged above the partition plate, and the lower end of the feed pipe is provided with a cyclone mechanism; the bottom surface of the partition plate is provided with an inner blocking barrel and an outer blocking barrel, a guide barrel is arranged between the outer blocking barrel and the inner blocking barrel, the lower end of the guide barrel is fixedly connected with the inner wall of the tank body through an annular arc connecting groove, and a slow flow channel is formed by gaps among the tank body, the outer blocking barrel, the arc connecting groove, the guide barrel and the inner blocking barrel; the edge of the clapboard is provided with a filtrate port; an inclined plate clarification assembly is arranged in the inner blocking cylinder, a filter element assembly is arranged above the inclined plate clarification assembly, an outlet of the filter element assembly is connected with a discharge branch pipe, and the discharge branch pipe is connected with a discharge main pipe. The invention has the advantages of compact structure, small occupied area, difficult blockage, stable operation, good filtering effect and high filtering efficiency.
Description
Technical Field
The invention relates to the technical field of kitchen waste grease pretreatment, in particular to a filtering device for removing suspended solid impurities in kitchen waste grease.
Background
The kitchen waste grease is a general name for various inferior oils, and generally refers to recycled edible oil, repeatedly used frying oil, and inferior oils obtained by processing oil separating ponds of sewers of large-scale restaurants, oily floating objects of the sewers, inferior animal viscera or inferior meat, residual oil of repeatedly fried foods and the like. The kitchen waste grease is a recyclable resource, and can be changed into valuable after being chemically and physically transformed and physically refined, thereby generating considerable economic and social benefits.
The most ideal application of the kitchen waste grease is to prepare the biodiesel, and the biodiesel produced by using the kitchen waste grease as a raw material is very beneficial to comprehensive treatment of the kitchen waste grease and has considerable economic benefit besides low price and easily available raw materials. However, the recovered kitchen waste oil is poor in quality and contains many impurities, so that the kitchen waste oil needs to be pretreated before being used for producing biodiesel.
The steps of pretreating the kitchen waste oil mainly comprise impurity removal, degumming and decoloration, wherein the impurity removal refers to the removal of solid impurities such as food and the like remaining in the kitchen waste oil, and at present, the solid matters in the kitchen waste oil are generally removed by adopting a physical method (such as sedimentation, filtration, centrifugation and the like). For example, chinese patent application publication No. CN105925381A, published as 2016.09.07, discloses a high-value utilization method of kitchen waste oil, and specifically discloses that raw material kitchen waste oil is settled in a clarification tank and suspended solid impurities are removed by a filter. The method has the following defects: (1) the kitchen waste grease is kept still in a clarifying tank for a long time (up to 2 days), and the filtering efficiency is low; (2) the filter is easy to block, the filtering effect is poor, and the filtering efficiency is low.
Disclosure of Invention
The invention aims to solve the problems of the kitchen waste grease filter in the prior art, and provides the filtering device for removing suspended solid impurities in the kitchen waste grease, which has the advantages of compact structure, small occupied area, difficult blockage, stable operation, good filtering effect and high filtering efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: a filtering device for removing suspended solid impurities in kitchen waste grease comprises a tank body, a filtering cylinder and a partition plate, wherein a feeding pipe is arranged at the top of the tank body, a sewage discharge outlet is formed in the bottom of the tank body, the partition plate is fixed at the upper part in the tank body, the filtering cylinder is fixed above the partition plate, the lower end of the feeding pipe is connected with a rotational flow mechanism, and the rotational flow mechanism is positioned in the filtering cylinder; an inner blocking barrel and an outer blocking barrel are fixed on the bottom surface of the partition plate, the upper end of the outer blocking barrel and the upper end of the inner blocking barrel are fixedly connected with the partition plate, a guide barrel is arranged between the outer blocking barrel and the inner blocking barrel, the lower end of the guide barrel is fixedly connected with the inner wall of the tank body through an annular arc connecting groove, and a slow flow channel is formed by gaps among the tank body, the outer blocking barrel, the arc connecting groove, the guide barrel and the inner blocking barrel; a plurality of filtrate ports communicated with the inlet of the slow flow channel are formed in the edge position of the partition plate at intervals along the circumferential direction; a gap is arranged between the lower end of the inner blocking cylinder and the tank body, and the gap forms an overflow port; the lower part in the internal baffle cylinder is equipped with swash plate clarification subassembly, swash plate clarification subassembly top is equipped with a plurality of filter element subassemblies, the exit linkage of filter element subassembly has the ejection of compact branch pipe, the branch pipe is located jar external connection ejection of compact house steward. The filter cartridge is used for primary filtration (low filtration precision and coarse filtration) to filter out suspended particle impurities with larger sizes; the rotational flow mechanism enables the flowing kitchen waste grease to continuously wash the inner wall of the filter cylinder in a rotating mode, and filter substances fall down along the inner wall of the filter cylinder and are not easy to adhere to the inner wall of the filter cylinder, so that the filtering efficiency is high, and the filter holes in the filter cylinder can be prevented from being blocked; the slow flow channel can prolong the passing path of the kitchen waste grease, reduce the flow speed of the kitchen waste grease and change the flow direction of the kitchen waste grease, thereby being beneficial to improving the sedimentation effect; the arc-shaped connecting groove avoids dead angles in the slow flow channel, reduces pressure drop, and can prevent suspended particle impurities from settling and accumulating to block the slow flow channel; the inclined plate clarifying assembly is used for rapidly settling suspended matter particle impurities with smaller particle sizes, so that the influence on the filtering efficiency and effect of the filter element assembly caused by a large amount of suspended matter particle impurities with smaller particle sizes in the kitchen waste grease filtered by the filter element assembly is avoided; the filter element subassembly is arranged in filtering the less suspended solid particle impurity of granule size (filter fineness is high, and the fine filtration) in the discarded grease of meal kitchen to improve the filter effect greatly.
Preferably, a limiting baffle ring is fixed in the tank body, a limiting flange is arranged on the edge of the outer side of the opening at the upper end of the filter cartridge, the filter cartridge is positioned in the limiting baffle ring and is matched with the inner wall of the limiting baffle ring, and the limiting flange is placed on the limiting baffle ring. In the invention, the limiting stop ring is used for limiting the displacement of the filter cylinder in the radial direction, and the filter cylinder is placed on the limiting stop ring through the limiting flanging, so that the filter cylinder is convenient to disassemble, assemble and clean.
Preferably, the whirl mechanism includes internal thread joint and water conservancy diversion spheroid, internal thread joint and inlet pipe export threaded connection and be linked together, the water conservancy diversion spheroid is located internal thread joint below, and the water conservancy diversion spheroid passes through connecting rod and internal thread joint fixed connection, water conservancy diversion spheroid upper portion is equipped with horizontally water conservancy diversion annular plate, and the water conservancy diversion spheroid is located be equipped with a plurality of circular-arc water conservancy diversion protruding ribs that are along same direction of rotation interval on the sphere of water conservancy diversion annular plate upside, it is adjacent the clearance between the protruding rib of water conservancy diversion forms the whirl groove, and the region that is enclosed by water conservancy diversion protruding rib inner on the water conservancy diversion spheroid forms the cloth liquid level. According to the kitchen waste grease filtering device, kitchen waste grease flows out from the outlet of the feeding pipe and then falls onto the liquid distribution surface of the guide ball, under the guide effect of the liquid distribution surface, the kitchen waste grease flows into the cyclone groove along the liquid distribution surface and is finally thrown to the inner wall of the filter cylinder along the horizontal guide annular plate in a cyclone mode, the inner wall of the filter cylinder can be washed while the kitchen waste grease is rapidly filtered, the filtering efficiency is high, and the filter holes in the filter cylinder can be prevented from being blocked; the flow guiding sphere can be a sphere or an ellipsoid.
Preferably, the outlet of the feeding pipe is of a necking structure, the outlet of the feeding pipe is positioned right above the liquid level of the cloth, and the area of the outlet of the feeding pipe is smaller than or equal to the orthographic projection area of the liquid level of the cloth. The area of the outlet of the feed pipe is smaller than or equal to the orthographic projection area of the liquid distribution surface, so that the kitchen waste grease flowing out of the feed pipe can fall on the liquid distribution surface.
Preferably, the lower end of the tank body is connected with a settling hopper, and the sewage outlet is formed in the bottom of the settling hopper. The sedimentation hopper plays the effect of slow flow, settlement, is convenient for the gathering of the great suspended solid of granule and subsides to the bottom under the action of gravity fast and collect.
Preferably, the bottom of the settling hopper is provided with a support leg.
Preferably, a guide cylinder and a sewage collecting cylinder are arranged between the inclined plate clarifying assembly and the filter element assembly, the guide cylinder is of a round platform-shaped structure, the sewage collecting cylinder is of an inverted round platform-shaped structure, the upper end of the guide cylinder is fixedly connected with the lower end of the sewage collecting cylinder, the upper end edge of the sewage collecting cylinder is fixedly connected with the inner wall of the inner blocking cylinder body, and the lower end of the guide cylinder is fixedly connected with the inner wall of the inner blocking cylinder body. The guide cylinder is in a circular truncated cone-shaped structure, kitchen waste oil flowing out of the inclined plate clarifying assembly enters the filter element assembly through the guide cylinder for fine filtration, the flow direction of the kitchen waste oil is opposite to the sedimentation direction of suspended solids through the guide cylinder, the carrying amount of the suspended solids can be reduced, and the filtration pressure of the filter element assembly is reduced; the dirt collecting cylinder plays a role in sealing and guiding and is used for sealing a dead angle between the guide cylinder and the inner blocking cylinder body, so that filter matters falling off when the filter element assembly is subjected to back-blowing cleaning are prevented from falling to the dead angle between the sealed guide cylinder and the inner blocking cylinder body and being accumulated to cause difficult cleaning, and meanwhile, the filter matters falling off from the surface of the filter element assembly can directly fall into the settling hopper along the dirt collecting cylinder, so that the cleaning is very convenient; in addition, after the kitchen waste oil flowing out of the guide cylinder enters the sewage collecting cylinder, the flow speed is reduced, suspended particles and impurities in the kitchen waste oil can be further inhibited from being carried to the surface of the filter element assembly, the filtering pressure of the filter element assembly is reduced, and the filtering life of the filter element assembly is prolonged.
As preferred, the swash plate clarification subassembly includes fixed annular plate and fixed annular plate down, the relative setting about the upper and lower of the solid fixed ring shaped plate of upper fixed ring shaped plate and lower fixed ring shaped plate position in the interior retaining cylinder body, the outer wall of solid fixed ring shaped plate and fixed annular plate down all with interior retaining cylinder inner wall fixed connection, the interval is equipped with a plurality of clarification swash plates between solid fixed ring shaped plate and the lower fixed annular plate, the setting of clarification swash plate towards same direction slope, and clearance between the adjacent clarification swash plate forms the clarification passageway. Clarification swash plate slope sets up, when reducing the discarded grease velocity of flow of kitchen cabinet, makes the discarded grease of kitchen cabinet flow to the direction that is favorable to suspended solid particle to subside the less suspended solid particle impurity of particle size fast, and make suspended solid particle impurity fall to subsiding and fight the collection.
As preferred, the filter element group spare includes along the vertical many filter cores that set up of jar body direction of height, the filter core includes upper end cover, lower extreme cover, pipe and foraminiferous hard tube, upper end cover and lower extreme cover spiro union respectively in the upper and lower both ends of foraminiferous hard tube, the pipe pass the upper end cover and with sealed fixed between the upper end cover, the pipe upper end is through joint and ejection of compact branch pipe spiro union, the lower extreme of pipe is located foraminiferous hard tube, be equipped with along the circumference interval on the outer wall of foraminiferous hard tube and vertically prop open the pole, vertically prop open the pole and be equipped with filtering medium layer outward, filtering medium layer is formed by the long banding winding of phenol-formaldehyde impregnated cellulose. The hard tube with holes plays a role of supporting a framework and increasing the filtration flux; the longitudinal support rod enables a cavity to be formed between the filter medium layer and the hard tube with the holes, the cavity is beneficial to forming and passing of filtrate, and the situation that the filter medium layer is directly contacted with the hard tube with the holes to block the filter holes on the hard tube with the holes (ensuring the filter flux of the hard tube with the holes) can be avoided; the phenolic impregnated cellulose long tape is a cellulose long tape which is impregnated by phenolic resin and hardened by heat treatment, is a known material, has the advantages of long service life, high flow, pressure reduction and the like, and is suitable for fine filtration of kitchen waste grease; the filtering precision can be adjusted according to the winding tightness and thickness of the long phenolic impregnated cellulose tape.
Preferably, the discharge main pipe is connected with a high-pressure air inlet pipe. The high-pressure air inlet pipe is used for introducing high-pressure air and periodically performing back blowing cleaning on the filter element assembly so as to blow off filter matters attached to the surface of the filter element assembly; the back-blowing cleaning can be carried out in cooperation with a pressure sensor.
Therefore, the invention has the following beneficial effects:
(1) through mutual matching of a plurality of structures such as the filter basket, the rotational flow mechanism, the slow flow channel, the inclined plate clarifying assembly, the filter element assembly and the like, the kitchen waste oil is subjected to multi-stage filtration and sedimentation, the step-by-step filtration of suspended solid impurities in the kitchen waste oil from large to small is realized, the filtration precision is higher, the filtration efficiency is high, and the filtration effect is good;
(2) the filter has the advantages of compact integral structure, small occupied area, stable operation, capability of continuous filtration, difficult blockage and convenient disassembly, assembly and cleaning.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a top view of the swirling mechanism.
Fig. 3 is a top view of the separator.
Fig. 4 is a cross-sectional view of the cartridge.
FIG. 5 is a top view of the attachment of the filter cartridge assembly to the canister.
FIG. 6 is a top view of a perforated rigid pipe.
In the figure: the device comprises a tank body 1, a filter cartridge 2, a partition plate 3, a feeding pipe 4, a sewage discharge outlet 5, an inner blocking cylinder 6, an outer blocking cylinder 7, a guide cylinder 8, an arc-shaped connecting groove 9, a slow flow channel 10, a filtrate outlet 11, a flow passing outlet 12, a discharge branch pipe 13, a discharge main pipe 14, a limit blocking ring 15, a limit flanging 16, an inner screw joint 17, a flow guide sphere 18, a flow guide annular plate 19, a flow guide convex rib 20, a swirl groove 21, a liquid distribution surface 22, a settling hopper 23, support legs 24, a flow guide cylinder 25, an upper fixed annular plate 26, a lower fixed annular plate 27, a settling inclined plate 28, a settling channel 29, an upper end cover 30, a lower end cover 31, a guide pipe 32, a perforated hard pipe 33, a longitudinal opening rod 34, a filter medium layer 35, a high-pressure air inlet pipe 36, a sewage collecting cylinder 37 and a connecting rod 38.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in figure 1, the filtering device for removing suspended solid impurities in kitchen waste grease comprises a tank body 1, a filter cartridge 2 and a partition plate 3, wherein a feeding pipe 4 is welded at the top of the tank body, the lower end of the tank body is connected with a settling hopper 23, the bottom of the settling hopper is provided with a drain outlet 5 and support legs 24, the partition plate is fixed at the upper part in the tank body, a limit baffle ring 15 is fixed in the tank body and is positioned above the partition plate, a limit flanging 16 is fixed at the outer edge of an opening at the upper end of the filter cartridge, the filter cartridge is positioned in the limit baffle ring and is matched with the inner wall of the limit baffle ring, the limit flanging is placed on the limit baffle ring, the lower end of the feeding pipe is connected with a rotational flow mechanism, the rotational flow mechanism is positioned in the filter cartridge and comprises an internal thread connector 17 and a flow guide ball 18, the internal thread connector is in threaded connection with the outlet of the feeding pipe and is communicated with the flow guide ball positioned below the internal thread connector through a connecting rod 38, a horizontal guide annular plate 19 is fixed at the upper part of the guide sphere, a plurality of guide convex ribs 20 (shown in figure 2) in the shape of circular arc are arranged on the spherical surface of the guide sphere at intervals along the same rotating direction, a rotating groove 21 is formed by the gaps between the adjacent guide convex ribs, a cloth liquid level 22 is formed in the area surrounded by the inner ends of the guide convex ribs on the guide sphere, the outlet of the feed pipe is in a necking structure, the outlet of the feed pipe is positioned right above the cloth liquid level, and the area of the outlet of the feed pipe is equal to the orthographic projection area of the cloth liquid level; an inner blocking barrel 6 and an outer blocking barrel 7 are fixed on the bottom surface of the partition plate, the upper end of the outer blocking barrel and the upper end of the inner blocking barrel are fixedly connected with the partition plate, a guide barrel 8 is arranged between the outer blocking barrel and the inner blocking barrel, the lower end of the guide barrel is fixedly connected with the inner wall of the tank body through an annular arc connecting groove 9, and a slow flow channel 10 is formed by gaps among the tank body, the outer blocking barrel, the arc connecting groove, the guide barrel and the inner blocking barrel; a plurality of filtrate ports 11 (shown in fig. 3) communicated with the inlet of the slow flow channel are formed at the edge of the partition plate at intervals along the circumferential direction; a gap is arranged between the lower end of the inner blocking cylinder and the tank body, and the gap forms an overflow port 12; the lower part in the internal resistance blocking cylinder body is provided with an inclined plate clarification component, a plurality of filter core components are arranged above the inclined plate clarification component, a guide cylinder 25 and a sewage collection cylinder 37 are arranged between the inclined plate clarification component and the filter core components, the guide cylinder is in a round table structure, the sewage collection cylinder is in an inverted round table structure, the upper end of the guide cylinder is fixedly connected with the lower end of the sewage collection cylinder, the upper end edge of the sewage collection cylinder is fixedly connected with the inner wall of the internal resistance blocking cylinder body, the inclined plate clarification component comprises an upper fixed annular plate 26 and a lower fixed annular plate 27, the upper fixed annular plate and the lower fixed annular plate are positioned in the internal resistance blocking cylinder body and are arranged oppositely up and down, the outer wall surfaces of the upper fixed annular plate and the lower fixed annular plate are fixedly connected with the inner wall of the internal resistance blocking cylinder body, a plurality of clarification inclined plates 28 are arranged between the upper fixed annular plate and the lower fixed annular plate at intervals, the clarification inclined plates are arranged towards the same direction, and a clarification channel 29 is formed by gaps between adjacent clarification inclined plates; the filter element assembly comprises a plurality of filter elements vertically arranged along the height direction of the tank body, each filter element comprises an upper end cover 30, a lower end cover 31, a guide pipe 32 and a perforated hard pipe 33 (shown in figure 4), the upper end cover and the lower end cover are respectively screwed at the upper end and the lower end of the perforated hard pipe, the guide pipe penetrates through the upper end cover and is fixed with the upper end cover in a sealing manner, the upper end of the guide pipe is screwed with a discharge branch pipe 13 through a connector, the discharge branch pipe is connected with a discharge main pipe 14 outside the tank body, the discharge main pipe is connected with a high-pressure air inlet pipe 36 (shown in figure 5), the lower end of the guide pipe is positioned in the perforated hard pipe, longitudinal opening rods 34 (shown in figure 6) are welded on the outer wall surface of the perforated hard pipe at intervals along the circumferential direction, a filter medium layer 35 is arranged outside the longitudinal opening rods, and the filter medium layer is formed by winding long strips of phenolic impregnated cellulose.
The operation process of the invention is as follows: the kitchen waste grease is discharged from an outlet of a feeding pipe, falls onto the liquid distribution surface of a guide ball under the action of self gravity, flows into a cyclone groove along the liquid distribution surface under the guide action of the liquid distribution surface, is thrown to the inner wall of a filter cylinder in a cyclone mode along a horizontal guide annular plate to be filtered, enters a slow flow channel along a partition plate from a filtrate port, flows out of the slow flow channel to a settling hopper to be settled for the first time, moves upwards along a clarification channel, a guide cylinder and a sewage collection cylinder to be settled for multiple stages, finally enters a filter core to be finely filtered, enters a hard pipe with holes, is discharged to a discharge branch pipe through a guide pipe, and is discharged after being collected by a discharge header pipe; after the filter core runs for a certain time, high-pressure gas is introduced into the high-pressure gas inlet pipe to blow back the filter core, so that filter matters attached to the surface of the filter core component fall off, and the cleaning process is finished.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (10)
1. A filtering device for removing suspended solid impurities in kitchen waste grease is characterized by comprising a tank body (1), a filtering cylinder (2) and a partition plate (3), wherein a feeding pipe (4) is arranged at the top of the tank body, a drain outlet (5) is arranged at the bottom of the tank body, the partition plate is fixed at the upper part in the tank body, the filtering cylinder is fixed above the partition plate, the lower end of the feeding pipe is connected with a rotational flow mechanism, and the rotational flow mechanism is positioned in the filtering cylinder; an inner blocking barrel (6) and an outer blocking barrel (7) are fixed on the bottom surface of the partition plate, the upper end of the outer blocking barrel and the upper end of the inner blocking barrel are fixedly connected with the partition plate, a guide barrel (8) is arranged between the outer blocking barrel and the inner blocking barrel, the lower end of the guide barrel is fixedly connected with the tank body through an annular arc-shaped connecting groove (9), and a slow flow channel (10) is formed by gaps among the tank body, the outer blocking barrel, the arc-shaped connecting groove, the guide barrel and the inner blocking barrel; a plurality of filtrate ports (11) communicated with the inlet of the slow flow channel are arranged at the edge of the partition board at intervals along the circumferential direction; a gap is arranged between the lower end of the inner blocking cylinder and the tank body, and the gap forms an overflow port (12); the lower part in the internal resistance barrel is equipped with the swash plate clarification subassembly, swash plate clarification subassembly top is equipped with a plurality of filter element subassemblies, the exit linkage of filter element subassembly has ejection of compact branch pipe (13), ejection of compact branch pipe is in jar external connection ejection of compact house steward (14).
2. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 1, wherein a limit stop ring (15) is fixed in the tank body, the edge of the outer side of the opening at the upper end of the filter cartridge is provided with a limit flange (16), the filter cartridge is positioned in the limit stop ring and is matched with the inner wall of the limit stop ring, and the limit flange rests on the limit stop ring.
3. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 1, wherein the swirling mechanism comprises an internal thread joint (17) and a flow guide ball body (18), the internal thread joint is in threaded connection with the outlet of the feeding pipe and is communicated with the outlet of the feeding pipe, the flow guide ball body is located below the internal thread joint and is fixedly connected with the internal thread joint through a connecting rod (37), a horizontal flow guide annular plate (19) is arranged on the upper portion of the flow guide ball body, a plurality of circular-arc-shaped flow guide convex ribs (20) are arranged on the spherical surface of the upper side of the flow guide annular plate along the same rotating direction at intervals, the gaps between the flow guide convex ribs form swirling grooves (21), and the area surrounded by the inner ends of the flow guide convex ribs on the flow guide ball body forms a liquid distribution surface (22).
4. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 3, wherein the outlet of the feeding pipe is of a throat structure, the outlet of the feeding pipe is positioned right above the liquid distribution surface, and the area of the outlet of the feeding pipe is smaller than or equal to the orthographic projection area of the liquid distribution surface.
5. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 1, wherein the lower end of the tank body is connected with a settling hopper (23), and the sewage outlet is arranged at the bottom of the settling hopper.
6. The filtering device for removing suspended solid impurities in kitchen waste grease is characterized in that a support leg (24) is arranged at the bottom of the settling hopper.
7. The filtering device for removing suspended solid impurities in kitchen waste grease, according to claim 1, is characterized in that a guide cylinder (25) and a sewage collecting cylinder are arranged between the inclined plate clarifying assembly and the filter element assembly, the guide cylinder is of a circular truncated cone-shaped structure, the sewage collecting cylinder is of an inverted circular truncated cone-shaped structure, the upper end of the guide cylinder is fixedly connected with the lower end of the sewage collecting cylinder, the upper end edge of the sewage collecting cylinder is fixedly connected with the inner blocking cylinder inner wall, and the lower end of the guide cylinder is fixedly connected with the inner blocking cylinder inner wall.
8. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 1 or 7, wherein the inclined plate clarifying assembly comprises an upper fixed annular plate (26) and a lower fixed annular plate (27), the upper fixed annular plate and the lower fixed annular plate are located in the internal blocking cylinder body and are arranged oppositely from top to bottom, the outer wall surfaces of the upper fixed annular plate and the lower fixed annular plate are fixedly connected with the inner wall of the internal blocking cylinder body, a plurality of clarifying inclined plates (28) are arranged between the upper fixed annular plate and the lower fixed annular plate at intervals, the clarifying inclined plates are inclined towards the same direction, and gaps between adjacent clarifying inclined plates form clarifying channels (29).
9. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 1 or 7, wherein the filter element assembly comprises a plurality of filter elements vertically arranged along the height direction of the tank body, each filter element comprises an upper end cover (30), a lower end cover (31), a conduit (32) and a hard pipe with holes (33), the upper end cover and the lower end cover are respectively screwed at the upper end and the lower end of the hard pipe with holes, the conduit penetrates through the upper end covers and is fixedly sealed with the upper end covers, the upper end of the conduit is screwed with the discharge branch pipe through a joint, the lower end of the conduit is located in the hard pipe with holes, longitudinal opening rods (34) are arranged on the outer wall surface of the hard pipe with holes at intervals along the circumferential direction, a filtering medium layer (35) is arranged outside the longitudinal opening rods, and the filtering medium layer is formed by winding a long strip of phenolic impregnated cellulose.
10. The filtering device for removing suspended solid impurities in kitchen waste grease as claimed in claim 1, wherein the discharge header pipe is connected with a high-pressure air inlet pipe (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0997441A2 (en) * | 1998-10-28 | 2000-05-03 | Stefano Neglia | Procedure and apparatus for the treatment of domestic sewage under extended aeration |
| CN2707748Y (en) * | 2004-03-02 | 2005-07-06 | 王立丁 | Rapid sewage treating device |
| KR101247990B1 (en) * | 2012-08-23 | 2013-04-08 | 대한민국 | Biofiltering tank using microbial media with solid removal function |
| CN202921044U (en) * | 2012-05-28 | 2013-05-08 | 上海中器环保科技有限公司 | Centrifugal rotational-flow type separator for waste oil and waste water of kitchens |
| CN110272150A (en) * | 2019-07-19 | 2019-09-24 | 湖南科技大学 | A kind of sewage disposal device for the cyclone sediment filtering integral that flocculates |
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2021
- 2021-02-08 CN CN202110182565.6A patent/CN112973274B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0997441A2 (en) * | 1998-10-28 | 2000-05-03 | Stefano Neglia | Procedure and apparatus for the treatment of domestic sewage under extended aeration |
| CN2707748Y (en) * | 2004-03-02 | 2005-07-06 | 王立丁 | Rapid sewage treating device |
| CN202921044U (en) * | 2012-05-28 | 2013-05-08 | 上海中器环保科技有限公司 | Centrifugal rotational-flow type separator for waste oil and waste water of kitchens |
| KR101247990B1 (en) * | 2012-08-23 | 2013-04-08 | 대한민국 | Biofiltering tank using microbial media with solid removal function |
| CN110272150A (en) * | 2019-07-19 | 2019-09-24 | 湖南科技大学 | A kind of sewage disposal device for the cyclone sediment filtering integral that flocculates |
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| CN112973274A (en) | 2021-06-18 |
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Inventor after: Wang Hui Inventor after: Yi Huang Inventor after: Ma Chengguo Inventor after: Hu Wanpeng Inventor after: Pu Jianglong Inventor before: Wang Hui Inventor before: Yi Huang Inventor before: Ma Chengguo Inventor before: Hu Wanpeng |
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Effective date of registration: 20230529 Address after: 200941 Building 3, No. 175, Lane 888, Yuexin South Road, Baoshan District, Shanghai Patentee after: Shanghai Daozhuan Mechanical Equipment Co.,Ltd. Address before: 314001 Yuexiu South Road, Nanhu District, Jiaxing, Zhejiang Province, No. 56 Patentee before: JIAXING University |