CN220449868U - Kitchen garbage grease recovery processing device - Google Patents
Kitchen garbage grease recovery processing device Download PDFInfo
- Publication number
- CN220449868U CN220449868U CN202321850157.4U CN202321850157U CN220449868U CN 220449868 U CN220449868 U CN 220449868U CN 202321850157 U CN202321850157 U CN 202321850157U CN 220449868 U CN220449868 U CN 220449868U
- Authority
- CN
- China
- Prior art keywords
- oil
- separation tank
- buoyancy
- buoyancy separation
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004519 grease Substances 0.000 title claims abstract description 26
- 238000011084 recovery Methods 0.000 title claims description 11
- 239000010813 municipal solid waste Substances 0.000 title claims description 3
- 238000000926 separation method Methods 0.000 claims abstract description 66
- 239000002245 particle Substances 0.000 claims abstract description 18
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 239000010806 kitchen waste Substances 0.000 claims abstract description 15
- 238000005273 aeration Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 238000007667 floating Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Physical Water Treatments (AREA)
- Removal Of Floating Material (AREA)
Abstract
The utility model discloses a kitchen waste grease recycling device which comprises a steam generator, a storage tank, a venturi mixer and a buoyancy separation tank, wherein the steam generator is connected to the air inlet end of the venturi mixer; an aeration pipe connected with an air outlet end of the Venturi mixing is arranged at the bottom of the buoyancy separation tank; the top of the buoyancy separation tank is provided with an oil skimmer, the peripheral wall is provided with an oil drain pipe with the same height as the oil skimmer in inlet, and an oil drain valve is arranged on the oil drain pipe; the top of the buoyancy separation tank is provided with an exhaust window and a sewage adding pipe, and the bottom of the buoyancy separation tank is provided with a drain pipe. The utility model not only can separate the floating oil with larger grain size from water in the kitchen waste sewage, but also can effectively remove emulsified oil and dispersed oil by a mode of adding water-soluble particles for adsorption through steam aeration.
Description
Technical Field
The utility model relates to environment-friendly treatment equipment, in particular to a kitchen waste grease recovery treatment device.
Background
The kitchen waste contains a large amount of high-concentration animal and vegetable grease sewage, grease is easily adhered to the pipe wall to cause pipeline blockage by directly discharging the sewage, and the grease waste water has poor oxygen permeability, so that the microbial activity is inhibited during the subsequent treatment of a sewage treatment plant, the treatment load is reduced, and the quality of effluent is deteriorated. The conventional gravity oil separation method can only separate the upper floating oil with larger particle size from water, but the removal effect on the suspended oil, the dispersed oil and the emulsified oil is not ideal.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a kitchen waste grease recycling device for solving the technical problem in the background technology.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the kitchen waste grease recycling device comprises a steam generator, a storage tank, a venturi mixer and a buoyancy separation tank, wherein the steam generator is connected to the air inlet end of the venturi mixer, and the storage tank is connected to the air inlet end of the venturi mixer through a conveying pipe provided with an electric control throttle valve; an aeration pipe connected with an air outlet end of the Venturi mixing is arranged at the bottom of the buoyancy separation tank; the top of the buoyancy separation tank is provided with an oil skimmer, the peripheral wall is provided with an oil drain pipe with the same height as the oil skimmer in inlet, and an oil drain valve is arranged on the oil drain pipe; the top of the buoyancy separation tank is provided with an exhaust window and a sewage adding pipe, and the bottom of the buoyancy separation tank is provided with a drain pipe.
Further, the rotational speed of the oil skimmer is 10-15r/min.
Further, the buoyancy separation tank is provided with a glass observation window at the same height as the oil skimmer.
Further, an oil separation tank communicated with the buoyancy separation tank is arranged at the same height position of the outer side of the buoyancy separation tank peripheral wall and the oil skimmer, an inlet of the oil separation tank is tangential to the buoyancy separation tank peripheral wall, the tail end of the oil separation tank extends towards the tangential direction of the buoyancy separation tank peripheral wall to form an oil separation area, and an oil discharge pipe is arranged at the bottom of the tail end of the oil separation area.
Further, the top of the buoyancy separation tank is also provided with a clear water adding pipe.
Further, the peripheral wall of the buoyancy separation tank is provided with a grease sensor at one side of the aeration pipe.
Further, the water-soluble particles are polyvinyl alcohol water-soluble particles.
According to the utility model, not only can the floating oil with larger grain size in kitchen waste sewage be separated from water, but also the water-soluble particle adsorption mode is adopted by steam aeration, on one hand, the high temperature of steam is used for heating the sewage and melting the oil in a suspended state in the sewage to enable the oil to be dissolved and lifted, on the other hand, in the process of floating the air bubbles and the water-soluble particles, the emulsified oil, the dispersed oil and the like are mutually adsorbed and grown with the water-soluble particles to form larger oil beads, and then the oil beads float on the surface of the sewage along with the air bubbles, so that the emulsified oil and the dispersed oil can be effectively removed.
Drawings
FIG. 1 is a front view of the present utility model;
fig. 2 is a cross-sectional view taken along A-A in fig. 1.
In the figure, a 1-steam generator, a 2-Venturi mixer, a 3-storage tank, a 31-electric control throttle valve, a 4-buoyancy separation tank, a 41-drain pipe, a 42-clear water adding pipe, a 43-sewage adding pipe, a 44-exhaust window, a 45-glass observation window, a 5-aerator pipe, a 6-grease sensor, a 7-oil skimming device, an 8-oil separation tank, an 81-oil separation area, an 82-oil discharge pipe and an 83-oil discharge valve.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-2:
the kitchen waste grease recovery processing device comprises a steam generator 1, a storage tank 3, a venturi mixer 2 and a buoyancy separation tank 4, wherein the steam generator 1 is connected to the air inlet end of the venturi mixer 2, and the storage tank 3 is connected to the air inlet end of the venturi mixer 2 through a conveying pipe provided with an electric control throttle valve 31; an aeration pipe 5 connected with the air outlet end of the Venturi mixture is arranged at the bottom of the buoyancy separation tank 4; the top of the buoyancy separation tank 4 is provided with an oil skimmer 7, the peripheral wall is provided with an oil drain pipe 82 with the inlet being equal to the oil skimmer 7 in height, and an oil drain valve 83 is arranged on the oil drain pipe 82; the buoyancy separation tank 4 is provided with a vent window 44 and a sewage adding pipe 43 at the top and a drain pipe 41 at the bottom.
The working flow is as follows: the filtrate after filtering and separating the solid kitchen waste is added into the buoyancy separation tank 4 from the sewage adding pipe 43, then the steam generator 1 is started, when the steam pressure of the steam generator 1 reaches the minimum pressure required by the Venturi mixer 2, the electric control throttle valve 31 on the conveying pipe is opened to put water-soluble particles, the water-soluble particles and the steam are fully mixed by the Venturi mixer 2 and then are dispersed into tiny bubbles by the aeration pipe 5 to enter the buoyancy separation tank 4, on one hand, the high temperature of the steam is used for heating sewage, melting the grease in a suspended state in the sewage, so as to enable the grease to be dissolved and lifted, on the other hand, in the process of floating the bubbles and the water-soluble particles, emulsified oil, dispersed oil and the water-soluble particles are mutually adsorbed and grow up to form larger oil beads, then float to the surface of the sewage along with the bubbles, then the bubbles are skimmed to the edge by the oil skimmer 7, the oil is discharged by the oil discharge pipe 82, and the rotating speed of the skimmer 7 is 10-15r/min, so that larger disturbance is not formed as much as possible.
In order to facilitate the observation of the internal conditions, the buoyancy separation tank 4 is provided with a glass observation window 45 at the same height as the skimmer 7.
As an optimization scheme, an oil separation tank 8 communicated with the buoyancy separation tank 4 is arranged at the position, which is equal to the height of the oil skimmer 7, on the outer side of the peripheral wall of the buoyancy separation tank 4, an inlet of the oil separation tank 8 is tangential to the peripheral wall of the buoyancy separation tank 4, the tail end of the oil separation tank extends to the tangential direction of the peripheral wall of the buoyancy separation tank 4 to form an oil separation area 81, and an oil drain pipe 82 is arranged at the bottom of the tail end of the oil separation area 81.
As an optimization scheme, the top of the buoyancy separation tank 4 is further provided with a clear water adding pipe 42, when the thickness of grease is large, if the liquid level after all discharge is lower than that of the oil separation tank 8, part of clear water can be added (in most cases, this step is not needed, because the thickness of the oil separation tank 8 is enough to cope with the thickness of most oil film) to lift the oil film to the height of the inner bottom side of the oil separation tank 8, so that the oil skimmer 7 and the oil separation tank 8 can work conveniently.
In order to facilitate accurate grasp of dynamic conditions of emulsified oil and dispersed oil in sewage, the working progress is facilitated to be controlled, the oil sensor 6 is arranged on one side of the aeration pipe 5 on the peripheral wall of the buoyancy separation tank 4, the oil sensor 6 can be affected by bubbles to a certain extent, the oil sensor 6 is arranged in the side direction of the aeration pipe 5 and is far away from the aeration pipe 5 as far as possible, and the oil sensor 6 monitors the content conditions of the emulsified oil and the dispersed oil in the water through an infrared spectrometry.
As an optimization scheme, the water-soluble particles are polyvinyl alcohol water-soluble particles, the polyvinyl alcohol is a main material of a water-soluble bag, the density is lower than that of water, grease is easy to float upwards after being adsorbed, the grease is automatically dissolved after entering water for several hours, the water-soluble particles are harmless to human bodies, the environment is free from pollution, the decomposition is mainly carbon dioxide and water, and the problem that secondary separation is needed after the water-soluble particles are mixed with the grease is avoided.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (7)
1. Kitchen garbage grease recovery processing device, its characterized in that: the device comprises a steam generator, a storage tank with water-soluble particles, a venturi mixer and a buoyancy separation tank, wherein the steam generator is connected to the air inlet end of the venturi mixer, and the storage tank is connected to the air inlet end of the venturi mixer through a conveying pipe provided with an electric control throttle valve; an aeration pipe connected with an air outlet end of the Venturi mixing is arranged at the bottom of the buoyancy separation tank; the top of the buoyancy separation tank is provided with an oil skimmer, the peripheral wall is provided with an oil drain pipe with the same height as the oil skimmer in inlet, and an oil drain valve is arranged on the oil drain pipe; the top of the buoyancy separation tank is provided with an exhaust window and a sewage adding pipe, and the bottom of the buoyancy separation tank is provided with a drain pipe.
2. The kitchen waste grease recovery processing device according to claim 1, wherein: the rotating speed of the oil skimmer is 10-15r/min.
3. The kitchen waste grease recovery processing device according to claim 1, wherein: the buoyancy separation tank is provided with a glass observation window at the same height as the oil skimmer.
4. The kitchen waste grease recovery processing device according to claim 1, wherein: an oil separation tank communicated with the buoyancy separation tank is arranged at the same height position of the outer side of the buoyancy separation tank peripheral wall and the oil skimmer, an inlet of the oil separation tank is tangential to the buoyancy separation tank peripheral wall, the tail end of the oil separation tank extends towards the tangential direction of the buoyancy separation tank peripheral wall to form an oil separation area, and an oil discharge pipe is arranged at the bottom of the tail end of the oil separation area.
5. The kitchen waste grease recovery processing device according to claim 4, wherein: the top of the buoyancy separation tank is also provided with a clear water adding pipe.
6. The kitchen waste grease recovery processing device according to claim 1, wherein: the buoyancy separation tank peripheral wall is provided with a grease sensor at one side of the aeration pipe.
7. Kitchen waste grease recovery processing device according to any one of claims 1-6, characterized in that: the water-soluble particles are polyvinyl alcohol water-soluble particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850157.4U CN220449868U (en) | 2023-07-14 | 2023-07-14 | Kitchen garbage grease recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321850157.4U CN220449868U (en) | 2023-07-14 | 2023-07-14 | Kitchen garbage grease recovery processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220449868U true CN220449868U (en) | 2024-02-06 |
Family
ID=89737322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321850157.4U Active CN220449868U (en) | 2023-07-14 | 2023-07-14 | Kitchen garbage grease recovery processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220449868U (en) |
-
2023
- 2023-07-14 CN CN202321850157.4U patent/CN220449868U/en active Active
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