CN115072831A - Environment-friendly and energy-saving treatment method for catering oily water - Google Patents
Environment-friendly and energy-saving treatment method for catering oily water Download PDFInfo
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- CN115072831A CN115072831A CN202210854703.5A CN202210854703A CN115072831A CN 115072831 A CN115072831 A CN 115072831A CN 202210854703 A CN202210854703 A CN 202210854703A CN 115072831 A CN115072831 A CN 115072831A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000011282 treatment Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000010865 sewage Substances 0.000 claims abstract description 103
- 238000005192 partition Methods 0.000 claims abstract description 86
- 238000007667 floating Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 36
- 238000001914 filtration Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 239000010794 food waste Substances 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 244000005700 microbiome Species 0.000 description 7
- 238000011221 initial treatment Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
Abstract
An environment-friendly and energy-saving treatment method for catering oily water comprises the following steps of introducing the sewage into an unpowered oily water treatment device from a water inlet, wherein the sewage is accumulated in a front cavity of an inner cavity of a shell of the oily water treatment device; sewage flows through the top of the partition plate in the inner cavity of the shell and enters the rear cavity of the inner cavity of the shell from the front cavity; the sewage gradually rises in the rear cavity and immerses the inlet of the communicating pipe in the rear cavity, and the sewage isolates the inlet of the communicating pipe from the dirty oil floating on the surface of the sewage; when the sewage in the rear cavity rises to the height of the partition plate, dirty oil is guided into an oil inlet on the side wall of an oil storage shell in the inner cavity of the shell along the oil inlet hopper assembly, the dirty oil is collected in the oil storage shell, and the sewage from which the dirty oil is separated is discharged from a clean water outlet of the rear cavity. The invention has the advantages that: the automatic oil-water separation is realized, a driving motor is not needed, the energy consumption is low, and the energy-saving and environment-friendly effects are achieved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an environment-friendly and energy-saving treatment method for catering oily sewage.
Background
The prior Chinese patent with the application number of CN201720773764.3 named as an oil removing and skimming device for a sewage treatment plant discloses an oil removing and skimming device for a sewage treatment plant, which comprises a shell, wherein the shell is of a hollow structure, the side wall of the upper side of the shell is provided with a water inlet channel, and the bottom of the water inlet channel is transversely provided with a rotating plate which is connected with the water inlet channel in a sliding way, the side wall of one side of the rotating plate, which is far away from the water inlet channel, is rotatably connected with a first swinging rod, the inner wall of the shell is rotatably connected with a second swinging rod, the first swing rod is rotatably connected with the second swing rod through a rotating piece, a sliding groove is arranged on the side wall of the second swing rod, one side lateral wall of spout has through spring coupling with spout assorted slider, the slider is kept away from one side lateral wall of spout bottom and is rotated and be connected with the connecting rod, and the connecting rod is kept away from the one end of slider and is rotated with first swinging arms and be connected. The invention has simple structure, convenient operation, clear division of labor in the whole treatment device, full treatment of oil and filter residue in sewage and obvious effect. However, the device needs to use a driving motor as a power source, and cannot achieve the function of removing oil stains without using a motor, so that the structure of the device needs to be further improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing an environment-friendly and energy-saving treatment method for restaurant oily sewage, which does not need to use a driving motor, has low energy consumption, is environment-friendly and has good sewage treatment effect, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the environment-friendly and energy-saving treatment method of the catering oily water is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
firstly, introducing sewage into an unpowered oily water treatment device from a water inlet, wherein the sewage is accumulated in a front cavity of an inner cavity of a shell of the oily water treatment device;
secondly, the sewage accumulated in the front cavity overflows the top of the partition plate in the inner cavity of the shell and enters the rear cavity of the inner cavity of the shell from the front cavity;
thirdly, the sewage is gradually raised in the rear cavity to immerse an inlet of a communicating pipe in the rear cavity, and the sewage isolates the inlet of the communicating pipe from the dirty oil floating on the surface of the sewage;
and fourthly, when the sewage in the rear cavity rises to the height of the partition plate, dirty oil on the surface of the sewage is guided into an oil inlet on the side wall of the oil storage shell in the inner cavity of the shell along the oil inlet hopper assembly, the dirty oil is collected in the oil storage shell, the sewage from which the dirty oil is separated is discharged from a clean water outlet of the rear cavity, and the oil contamination treatment of the catering sewage is completed.
As an improvement, in the step one, the sewage which is introduced into the unpowered oily sewage treatment device can preferably intercept catering residues and large particles by the filter basket, and the filtered sewage enters the front cavity.
In a further improvement, a filter screen can be preferably paved on the inner wall of the filter basket.
As an improvement, a second partition plate and a third partition plate may be preferably disposed in the rear cavity, the top of the second partition plate is higher than the top of the partition plate, the oil storage shell is a closed structure surrounded by the second partition plate, the third partition plate and the inner wall of the housing, the second partition plate divides the rear cavity into a rear front cavity and a rear cavity, the third partition plate divides the rear cavity into an inner cavity of the oil storage shell and a water storage cavity for storing clean water, and in step four, the sewage from which the dirty oil is separated enters the water storage cavity of the inner cavity of the housing from the clean water outlet of the rear cavity to be collected.
In a further improvement, a water outlet can be preferably arranged on the inner wall of the water storage cavity.
In a further improvement, the communicating pipe can be preferably a three-way pipe, and the upper opening of the three-way pipe is higher than the top of the partition plate.
In a further improvement, a filter screen body which can prevent dirty oil from passing through can be preferably arranged on the inlet of the communicating pipe; the food and beverage residues and particles leaked from the filter basket are deposited in the frame body or the bag body below the filter basket.
The oil storage shell is characterized in that the top of the inner cavity of the oil storage shell is preferably provided with an oil fishing port, and a sealing cover is detachably covered on the oil fishing port.
As an improvement, the oil inlet bucket subassembly can preferably include oil inlet plate, locating lever and stopper, the locating lever distributes on the oil storage shell outer wall of oil inlet both sides, all is provided with corresponding stopper on every locating lever, the both sides of oil inlet plate are provided with the pterygoid lamina respectively, are provided with on every pterygoid lamina and can overlap on corresponding locating lever and can push up and touch on the stopper and fix a position the locating plate of oil inlet plate, work as when the locating plate top was touched on corresponding the stopper, the height that is higher than the oil inlet plate other end that is close to the oil inlet of keeping away from the oil inlet plate one end of oil inlet.
The oil storage device is further improved, an L-shaped oil blocking strip can be preferably arranged on the outer wall of the oil storage shell corresponding to the bottom edge of the oil inlet, the bottom of the oil inlet plate is abutted to the oil blocking strip, the width of the oil blocking strip is larger than that of the oil inlet, an oil blocking strip concave part is arranged on the oil blocking strip corresponding to the position of the oil inlet, baffle plates are respectively arranged on the outer walls of the oil storage shells at the two ends of the oil blocking strip, and any baffle plate is attached to the side wall of the corresponding wing plate.
Compared with the prior art, the invention has the advantages that: the physical characteristics of dirty oil and the height position relation of a clean water outlet, a communicating pipe inlet and a partition plate in an oil-sewage treatment device are ingeniously utilized, the dirty oil is light and the sewage is heavy, so that the dirty oil floats on the surface of the sewage, when the sewage overflows the partition plate and enters a rear cavity, the dirty oil and the communicating pipe inlet are isolated by the sewage along with the rising of the water level, the dirty oil cannot enter the clean water outlet from the communicating pipe, then the water level in the cavity is continuously raised to be higher than the clean water outlet, the sewage enters the clean water outlet from the communicating pipe inlet, the dirty oil floats on the surface of the sewage and is guided into an oil inlet by an oil inlet hopper assembly and finally collected in an inner cavity of an oil storage shell, and the oil-water separation is realized by a powerless purely physical method, the environment-friendly and energy-saving treatment method does not need to be driven by a driving motor, and is environment-friendly, low in energy consumption and good in sewage treatment effect; sewage passes through the three cavities in the unpowered oily water treatment device, food and beverage residues and dirty oil are precipitated and separated for multiple times, impurities in the sewage can be effectively removed, the cleanness of a water body is improved, all sewage treatment is carried out through mechanical interception and microorganisms, chemical additives are not needed, the sewage after treatment is convenient to discharge, and the energy conservation and the environmental protection are better.
Drawings
FIG. 1 is a flow chart of the method for removing dirty oil from sewage according to the embodiment of the present invention;
FIG. 2 is a flow chart of a second embodiment of the present invention for removing dirty oil from sewage;
FIG. 3 is a perspective view of the unpowered oily water treatment device employed in FIG. 2;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 7 is an exploded view of the structure of FIG. 3;
FIG. 8 is a further exploded view of FIG. 7;
FIG. 9 is an enlarged view of portion I of FIG. 7;
FIG. 10 is an enlarged view of section II of FIG. 8;
FIG. 11 is a flow chart showing the process of removing the dirty oil from the sewage according to the third embodiment of the present invention;
FIG. 12 is a plan view of the oily water treatment apparatus employed in FIG. 11;
FIG. 13 is a cross-sectional view taken along line C-C of FIG. 12;
FIG. 14 is an exploded view of the structure of FIG. 12;
FIG. 15 is a further exploded view of FIG. 14;
fig. 16 is an enlarged view of the portion III in fig. 15.
Detailed Description
The invention is described in further detail below with reference to the following examples of the drawings.
As shown in FIG. 1, the method for treating restaurant oil-contaminated water in an environment-friendly and energy-saving manner comprises the following steps,
firstly, introducing sewage into an unpowered oily water treatment device from a water inlet 11, and accumulating the sewage in a front cavity 10 of an inner cavity of a shell of the oily water treatment device;
secondly, sewage accumulated in the front cavity 10 overflows the top of the partition plate 13 in the inner cavity of the shell and enters the rear cavity of the inner cavity of the shell from the front cavity 10;
thirdly, the sewage gradually rises in the rear cavity to immerse the inlet of the communicating pipe 5 positioned in the rear cavity, and the sewage isolates the inlet of the communicating pipe 5 from the dirty oil floating on the surface of the sewage;
and fourthly, when the sewage in the rear cavity rises to the height of the partition plate 13, dirty oil on the surface of the sewage is guided into an oil inlet 14 on the side wall of an oil storage shell in the inner cavity of the shell along the oil inlet hopper assembly, the dirty oil is collected in the oil storage shell, the sewage from which the dirty oil is separated is discharged from a clean water outlet 19 of the rear cavity, and the oil contamination treatment of the catering sewage is completed.
As shown in FIGS. 2 to 10, the environmental protection and energy saving treatment method for restaurant oily water of the second embodiment comprises the following steps of firstly, introducing the sewage into an unpowered oily water treatment device from a water inlet 11;
secondly, intercepting catering residues and large particles by the filtering basket 4, and accumulating sewage in a front cavity 10 of an inner cavity of a shell of the oily sewage treatment device;
thirdly, sewage accumulated in the front cavity 10 overflows the top of the partition plate 13 in the inner cavity of the shell and enters the rear cavity of the inner cavity of the shell from the front cavity 10;
the sewage is gradually lifted in the rear cavity to immerse the inlet of the communicating pipe 5 in the rear cavity, and the sewage isolates the inlet of the communicating pipe 5 from the dirty oil floating on the surface of the sewage;
and fifthly, when the sewage in the rear cavity rises to the height of the partition plate 13, dirty oil on the surface of the sewage is guided into an oil inlet 14 on the side wall of an oil storage shell in the inner cavity of the housing along the oil inlet hopper assembly, the dirty oil is collected in the oil storage shell, a second partition plate 18 and a third partition plate 181 are arranged in the rear cavity, the top of the second partition plate 18 is higher than the top of the partition plate 13, the oil storage shell is a closed structure formed by the second partition plate 18, the third partition plate 181 and the inner wall of the housing in a surrounding mode, the rear cavity is divided into a rear front cavity 101 and a rear cavity 102 by the second partition plate 18, the rear cavity 102 is divided into an oil storage shell inner cavity 15 and a water storage cavity for storing clean water by the third partition plate 181, and in the fourth step, the sewage from which the dirty oil is separated enters the water storage cavity of the inner cavity from a clean water outlet 19 of the rear cavity to be collected, so that the oil contamination treatment of the catering housing is completed.
And step six, the oily water collected in the water storage cavity is discharged out of the oily water treatment device from the water outlet.
A filter screen is laid on the inner wall of the filter basket 4. The filter screen is a sewage primary treatment screen capable of attaching microorganisms for decomposing food residues and oil stains. A water outlet 12 is arranged on the inner wall of the water storage cavity. The communicating pipe 5 is a three-way pipe, and the upper opening of the three-way pipe is higher than the top of the partition plate 13. The inlet of the communicating pipe 5 is provided with a filter screen body which can prevent dirty oil from passing through. An oil scooping port is arranged at the top of the inner cavity 15 of the oil storage shell, and a sealing cover is detachably covered on the oil scooping port.
The oil inlet bucket assembly comprises an oil inlet plate 2, positioning rods 16 and limiting blocks 161, the positioning rods 16 are distributed on the outer walls of oil storage shells on two sides of an oil inlet 14, each positioning rod 16 is provided with a corresponding limiting block 161, two sides of the oil inlet plate 2 are respectively provided with wing plates 21, each wing plate 21 is provided with a positioning plate 22 which can be sleeved on the corresponding positioning rod 16 and can be pressed against the limiting block 161 to position the oil inlet plate 2, and when the positioning plate 16 is pressed against the corresponding limiting block 161, one end of the oil inlet plate far away from the oil inlet 14 is higher than the other end of the oil inlet plate close to the oil inlet 14.
The oil storage shell outer wall corresponding to the bottom edge of the oil inlet 14 is provided with an L-shaped oil blocking strip 3, the bottom of the oil inlet plate 2 is abutted to the oil blocking strip 3, the width of the oil blocking strip 3 is larger than that of the oil inlet 14, an oil blocking strip concave part 31 is arranged on the oil blocking strip 3 corresponding to the position of the oil inlet 14, the oil storage shell outer walls at two ends of the oil blocking strip 3 are respectively provided with a baffle 17, and any baffle 17 is attached to the side wall of the corresponding wing plate 21.
The unpowered oily water treatment device adopted in the first step has the specific structure that the unpowered oily water treatment device comprises a hollow shell 1, a sewage inlet 11 is arranged at one end of the shell 1, a partition plate 13 is arranged in the inner cavity of the shell, the inner cavity of the shell is divided into a front cavity 10 and a rear cavity by the partition plate 13, the sewage inlet 11 is communicated with the front cavity 10, a clear water outlet 19 is arranged on the inner wall of the shell corresponding to the rear cavity, a communicating pipe 5 is arranged in the rear cavity, the inlet of the communicating pipe 5 is downward arranged and communicated with the rear cavity, the outlet of the communicating pipe 5 is communicated with the clear water outlet 19, the inlet of the communicating pipe 5 is lower than the top of the partition plate 13, an oil storage shell is arranged in the rear cavity, an oil inlet 14 is arranged on the side wall of the oil storage shell corresponding to the top of the partition plate 13, the inner cavity 15 of the oil storage shell is communicated with the rear cavity through the oil inlet 14, and an oil hopper group capable of enabling dirty oil suspended on the surface of the sewage floating over the partition plate 13 to flow into the oil inlet 14 is arranged on the side wall of the oil storage shell corresponding to the oil inlet 14 The height of the oil inlet opening of the oil hopper assembly corresponds to the top of the partition 13.
The second partition plate 18 and the third partition plate 181 are arranged in the rear cavity, the top of the second partition plate 18 is higher than the top of the partition plate 13, the oil storage shell is a closed structure formed by the second partition plate 18, the third partition plate 181 and the inner wall of the shell in a surrounding mode, the rear cavity is divided into a rear front cavity 101 and a rear cavity 102 by the second partition plate 18, the rear cavity 102 is divided into an oil storage shell inner cavity 15 and a water storage cavity for storing clear water by the third partition plate 181, the oil inlet hopper assembly and the communicating pipe 5 are connected to the second partition plate 18, and the oil inlet 14 and the clear water outlet 19 are located on the second partition plate 18.
An oil scooping port is arranged at the top of the inner cavity 15 of the oil storage shell, and a sealing cover is detachably covered on the oil scooping port. The communicating pipe 5 is a three-way pipe, and the upper opening of the three-way pipe is higher than the top of the partition plate 13. The inlet of the communicating pipe 5 is provided with a filter screen body which can prevent dirty oil from passing through. A water outlet 12 is arranged on the inner wall of the water storage cavity.
The oil inlet bucket assembly comprises an oil inlet plate 2, positioning rods 16 and limiting blocks 161, the positioning rods 16 are distributed on the outer walls of oil storage shells on two sides of an oil inlet 14, each positioning rod 16 is provided with a corresponding limiting block 161, two sides of each oil inlet plate 2 are respectively provided with wing plates 21, each wing plate 21 is provided with a positioning plate 22 which can be sleeved on the corresponding positioning rod 16 and can be pressed against the limiting block 161 to position the oil inlet plate 2, when the positioning plate 16 is pressed against the corresponding limiting block 161, one end of the oil inlet plate far away from the oil inlet 14 is higher than the other end of the oil inlet plate close to the oil inlet 14. The positioning rod 16 is a screw, and the limit block 161 is a limit nut screwed on the corresponding screw. The oil storage shell outer wall corresponding to the bottom edge of the oil inlet 14 is provided with an L-shaped oil blocking strip 3, the bottom of the oil inlet plate 2 is abutted to the oil blocking strip 3, the oil storage shell outer walls at two ends of the oil blocking strip 3 are respectively provided with a baffle 17, and any baffle 17 is attached to the side wall of the corresponding wing plate 21. The width of the oil blocking strip 3 is larger than that of the oil inlet 14, and an oil blocking strip concave part 31 is arranged on the oil blocking strip 3 corresponding to the position of the oil inlet 14.
The water inlet 11 is higher than the top of the partition board 13, a filtering basket 4 capable of intercepting catering residues and large particles is arranged in the inner cavity of the shell corresponding to the water inlet 11, and the water inlet 11 is communicated with the inner cavity of the filtering basket 4. A filter screen is laid on the inner wall of the filter basket 4. The filter screen is a sewage primary treatment screen capable of attaching microorganisms for decomposing food residues and oil stains. The particular species of microorganism selected is within the skill of the art and will not be described in detail.
As shown in FIGS. 11 to 16, the environmental protection and energy saving treatment method for restaurant oily water of the third embodiment comprises the following steps of firstly, introducing the sewage into the unpowered oily water treatment device from a water inlet 11;
secondly, intercepting catering residues and large particles by the filtering basket 4, and accumulating sewage in a front cavity 10 of an inner cavity of a shell of the oily sewage treatment device;
thirdly, a frame body 103 or a bag body is arranged at the bottom of the front cavity 10, and catering residues and particles which leak from the filter basket 4 are precipitated in the frame body 103 or the bag body;
fourthly, sewage overflows from the top of the frame body 103 or the bag body and overflows the top of the partition plate 13 in the inner cavity of the shell to enter the rear cavity of the inner cavity of the shell from the front cavity 10;
the sewage gradually rises in the rear cavity to immerse the inlet of the communicating pipe 5 positioned in the rear cavity, and the sewage isolates the inlet of the communicating pipe 5 from the dirty oil floating on the surface of the sewage;
sixthly, when the sewage in the rear cavity rises to the height of the partition plate 13, dirty oil on the surface of the sewage is guided into an oil inlet 14 on the side wall of an oil storage shell in the inner cavity of the shell along the oil inlet hopper assembly, the dirty oil is collected in the oil storage shell, a second partition plate 18 and a third partition plate 181 are arranged in the rear cavity, the top of the second partition plate 18 is higher than the top of the partition plate 13, the oil storage shell is a closed structure formed by the second partition plate 18, the third partition plate 181 and the inner wall of the shell in a surrounding mode, the rear cavity is divided into a rear front cavity 101 and a rear cavity 102 by the second partition plate 18, the rear cavity 102 is divided into an oil storage shell inner cavity 15 and a water storage cavity for storing clean water by the third partition plate 181, and in the fourth step, the sewage with the dirty oil separated from the rear cavity enters the water storage cavity from a clean water outlet 19 of the rear cavity to be collected.
And seventhly, discharging the oil-removing sewage collected in the water storage cavity out of the oil-sewage treatment device from the water outlet to finish the oil stain treatment of the catering sewage.
A filter screen is laid on the inner wall of the filter basket 4. The filter screen is a sewage primary treatment screen capable of attaching microorganisms for decomposing food residues and oil stains. A water outlet 12 is arranged on the inner wall of the water storage cavity. The communicating pipe 5 is a three-way pipe, and the upper opening of the three-way pipe is higher than the top of the partition plate 13. The inlet of the communicating pipe 5 is provided with a filter screen body which can prevent dirty oil from passing through. An oil scooping port is arranged at the top of the inner cavity 15 of the oil storage shell, and a sealing cover is detachably covered on the oil scooping port.
The oil inlet bucket assembly comprises an oil inlet plate 2, positioning rods 16 and limiting blocks 161, the positioning rods 16 are distributed on the outer walls of oil storage shells on two sides of an oil inlet 14, each positioning rod 16 is provided with a corresponding limiting block 161, two sides of each oil inlet plate 2 are respectively provided with wing plates 21, each wing plate 21 is provided with a positioning plate 22 which can be sleeved on the corresponding positioning rod 16 and can be pressed against the limiting block 161 to position the oil inlet plate 2, when the positioning plate 16 is pressed against the corresponding limiting block 161, one end of the oil inlet plate far away from the oil inlet 14 is higher than the other end of the oil inlet plate close to the oil inlet 14.
The oil storage shell outer wall corresponding to the bottom edge of the oil inlet 14 is provided with an L-shaped oil blocking strip 3, the bottom of the oil inlet plate 2 is abutted to the oil blocking strip 3, the width of the oil blocking strip 3 is larger than that of the oil inlet 14, an oil blocking strip concave part 31 is arranged on the oil blocking strip 3 corresponding to the position of the oil inlet 14, the oil storage shell outer walls at two ends of the oil blocking strip 3 are respectively provided with a baffle 17, and any baffle 17 is attached to the side wall of the corresponding wing plate 21.
The unpowered oily water treatment device adopted in the first step has the specific structure that the unpowered oily water treatment device comprises a hollow shell 1, a sewage inlet 11 is arranged at one end of the shell 1, a partition plate 13 is arranged in the inner cavity of the shell, the inner cavity of the shell is divided into a front cavity 10 and a rear cavity by the partition plate 13, the sewage inlet 11 is communicated with the front cavity 10, a clear water outlet 19 is arranged on the inner wall of the shell corresponding to the rear cavity, a communicating pipe 5 is arranged in the rear cavity, the inlet of the communicating pipe 5 is downward arranged and communicated with the rear cavity, the outlet of the communicating pipe 5 is communicated with the clear water outlet 19, the inlet of the communicating pipe 5 is lower than the top of the partition plate 13, an oil storage shell is arranged in the rear cavity, an oil inlet 14 is arranged on the side wall of the oil storage shell corresponding to the top of the partition plate 13, the inner cavity 15 of the oil storage shell is communicated with the rear cavity through the oil inlet 14, and an oil hopper group capable of enabling dirty oil suspended on the surface of the sewage floating over the partition plate 13 to flow into the oil inlet 14 is arranged on the side wall of the oil storage shell corresponding to the oil inlet 14 The height of the oil inlet opening of the oil hopper assembly corresponds to the top of the partition 13. The front cavity 10 is covered with a detachable cover plate structure 104.
The second partition plate 18 and the third partition plate 181 are arranged in the rear cavity, the top of the second partition plate 18 is higher than the top of the partition plate 13, the oil storage shell is a closed structure formed by the second partition plate 18, the third partition plate 181 and the inner wall of the shell in a surrounding mode, the rear cavity is divided into a rear front cavity 101 and a rear cavity 102 by the second partition plate 18, the rear cavity 102 is divided into an oil storage shell inner cavity 15 and a water storage cavity for storing clear water by the third partition plate 181, the oil inlet hopper assembly and the communicating pipe 5 are connected to the second partition plate 18, and the oil inlet 14 and the clear water outlet 19 are located on the second partition plate 18.
An oil scooping port is arranged at the top of the inner cavity 15 of the oil storage shell, and a sealing cover is detachably covered on the oil scooping port. The communicating pipe 5 is a three-way pipe, and the upper opening of the three-way pipe is higher than the top of the partition plate 13. The inlet of the communicating pipe 5 is provided with a filter screen body which can prevent dirty oil from passing through. The filtering net body is a stainless steel filtering net 51 made of nano materials, can pass water and simultaneously prevent dirty oil from passing through, and the specific structure of the filtering net body belongs to the well-known technology, so the detailed description is not needed. The three-way pipe can adopt the flat design of square pipe 50, helps reducing occupation space, also enables the lower extreme opening mutually vertical with the surface of water, makes things convenient for into water and filters. The position of the water outlet 12 is also changed into a square water outlet structure 121, which is convenient for connecting with an external square pipeline.
The oil inlet bucket assembly comprises an oil inlet plate 2, positioning rods 16 and limiting blocks 161, the positioning rods 16 are distributed on the outer walls of oil storage shells on two sides of an oil inlet 14, each positioning rod 16 is provided with a corresponding limiting block 161, two sides of each oil inlet plate 2 are respectively provided with wing plates 21, each wing plate 21 is provided with a positioning plate 22 which can be sleeved on the corresponding positioning rod 16 and can be pressed against the limiting block 161 to position the oil inlet plate 2, when the positioning plate 16 is pressed against the corresponding limiting block 161, one end of the oil inlet plate far away from the oil inlet 14 is higher than the other end of the oil inlet plate close to the oil inlet 14. The positioning rod 16 is a screw, and the limit block 161 is a limit nut screwed on the corresponding screw. The oil storage shell outer wall corresponding to the bottom edge of the oil inlet 14 is provided with an L-shaped oil blocking strip 3, the bottom of the oil inlet plate 2 is abutted to the oil blocking strip 3, the oil storage shell outer walls at two ends of the oil blocking strip 3 are respectively provided with a baffle 17, and any baffle 17 is attached to the side wall of the corresponding wing plate 21. The width of the oil blocking strip 3 is larger than that of the oil inlet 14, and an oil blocking strip concave part 31 is arranged on the oil blocking strip 3 corresponding to the position of the oil inlet 14.
The water inlet 11 is higher than the top of the partition plate 13, a filtering basket 4 capable of intercepting catering residues and large particles is arranged in the inner cavity of the shell corresponding to the water inlet 11, and the water inlet 11 is communicated with the inner cavity of the filtering basket 4. A filter screen is laid on the inner wall of the filter basket 4. The filter screen is a sewage primary treatment screen capable of attaching microorganisms for decomposing food residues and oil stains. The particular species of microorganism selected is within the skill of the art and will not be described in detail. The lower part of the filtering basket 4 can be also provided with a frame body 103 or a bag body for storing residues, so that the residues are convenient to collect and treat. The filter screen on the filter basket 4 can adopt a detachable mesh bag structure 41, so that the filter basket is convenient to clean and replace.
The working principle is as follows: in the sewage after the filtration spills into the rear cavity from the front cavity, because the baffle is higher than the height of communicating pipe import, dirty oil in the sewage overflows to the front rear cavity from the front cavity, the water in the front rear cavity is higher than the clear water outlet after being full of water, water flows into the rear cavity, and at the moment, dirty oil floats on the water surface due to physical characteristics, so that dirty oil flows into the oil inlet bucket assembly from the water surface of the front rear cavity along the oil inlet plate, and finally enters the inner cavity of the oil storage shell from the oil inlet to be collected, and oil-water separation is realized.
The oil inlet plate of the oil inlet bucket assembly is connected with the positioning rod through the positioning plate, so that the oil inlet plate and the outer wall of the oil storage shell are in a movable connection state, the oil inlet plate can slightly swing relative to the outer wall of the oil storage shell, when oil overflows to the oil inlet plate, the oil inlet plate slightly lifts up oil near the oil inlet plate to be scraped into the oil inlet bucket assembly, the oil is led into the oil storage shell along the oil inlet plate, the oil guiding effect is better, the oil inlet plate after oil guiding is re-reset due to dead weight and then scrapes the oil near the oil into the oil inlet bucket assembly again, and the oil guiding operation is repeated.
Claims (10)
1. An environment-friendly and energy-saving treatment method for catering oily water is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
firstly, sewage is introduced into an unpowered oily water treatment device from a water inlet (11), and the sewage is accumulated in a front cavity (10) of an inner cavity of a shell of the oily water treatment device;
secondly, sewage accumulated in the front cavity (10) overflows the top of the partition plate (13) in the inner cavity of the shell and enters the rear cavity of the inner cavity of the shell from the front cavity (10);
thirdly, the sewage gradually rises in the rear cavity to immerse an inlet of a communicating pipe (5) positioned in the rear cavity, and the sewage isolates the inlet of the communicating pipe (5) and the sump oil floating on the surface of the sewage;
and fourthly, when the sewage in the rear cavity rises to the height of the partition plate (13), dirty oil on the surface of the sewage is guided into an oil inlet (14) on the side wall of an oil storage shell in the inner cavity of the shell along the oil inlet hopper component, the dirty oil is collected in the oil storage shell, the sewage from which the dirty oil is separated is discharged from a clear water outlet (19) of the rear cavity, and the oil contamination treatment of the catering sewage is completed.
2. The environment-friendly and energy-saving treatment method according to claim 1, characterized in that: in the first step, the sewage introduced into the unpowered oily sewage treatment device is intercepted by the filtering basket (4) for catering residues and large particles, and the filtered sewage enters the front cavity (10).
3. The environment-friendly and energy-saving treatment method according to claim 2, characterized in that: a filter screen is paved on the inner wall of the filter basket (4); food residue and particles leaked from the filter basket (4) are deposited in a frame body (103) or a bag body below the filter basket (4).
4. An environment-friendly and energy-saving treatment method as claimed in any one of claims 1 to 3, characterized in that: the rear cavity is internally provided with a second partition plate (18) and a third partition plate (181), the top of the second partition plate (18) is higher than the top of the partition plate (13), the oil storage shell is a closed structure formed by the second partition plate (18), the third partition plate (181) and the inner wall of the shell, the rear cavity is divided into a rear front cavity (101) and a rear cavity (102) by the second partition plate (18), the rear cavity (102) is divided into an oil storage shell inner cavity (15) and a water storage cavity for storing clean water by the third partition plate (181), and in step four, the sewage from which the dirty oil is separated enters the water storage cavity of the shell inner cavity from a clean water outlet (19) of the rear cavity to be collected.
5. The environment-friendly and energy-saving treatment method according to claim 4, characterized in that: a water outlet (12) is arranged on the inner wall of the water storage cavity.
6. The environment-friendly and energy-saving treatment method according to claim 4, characterized in that: the communicating pipe (5) is a three-way pipe, and the upper opening of the three-way pipe is higher than the top of the partition plate (13).
7. The environment-friendly and energy-saving treatment method according to claim 6, characterized in that: and a filter screen body capable of preventing dirty oil from passing through is arranged at the inlet of the communicating pipe (5).
8. The environment-friendly and energy-saving treatment method according to claim 4, characterized in that: an oil scooping port is arranged at the top of the inner cavity (15) of the oil storage shell, and a sealing cover is detachably covered on the oil scooping port.
9. An environment-friendly and energy-saving treatment method as claimed in any one of claims 1 to 3, characterized in that: the oil inlet bucket assembly comprises an oil inlet plate (2), positioning rods (16) and limiting blocks (161), wherein the positioning rods (16) are distributed on the outer walls of oil storage shells on two sides of an oil inlet (14), each positioning rod (16) is provided with a corresponding limiting block (161), wing plates (21) are respectively arranged on two sides of the oil inlet plate (2), each wing plate (21) is provided with a positioning plate (22) which can be sleeved on the corresponding positioning rod (16) and can be abutted against the limiting block (161) to position the oil inlet plate (2), and when the positioning plate (16) is abutted against the corresponding limiting block (161), one end, far away from the oil inlet (14), of the oil inlet plate is higher than the other end, close to the oil inlet (14), of the oil inlet plate.
10. The environment-friendly and energy-saving treatment method according to claim 9, characterized in that: the oil storage shell is characterized in that an L-shaped oil blocking strip (3) is arranged on the outer wall of the oil storage shell corresponding to the bottom edge of an oil inlet (14), the bottom of an oil inlet plate (2) is abutted to the oil blocking strip (3), the width of the oil blocking strip (3) is larger than that of the oil inlet (14), an oil blocking strip concave portion (31) is arranged on the oil blocking strip (3) corresponding to the position of the oil inlet (14), baffle plates (17) are respectively arranged on the outer walls of the oil storage shells at the two ends of the oil blocking strip (3), and any baffle plate (17) is attached to the side wall of a corresponding wing plate (21).
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| CN202210854703.5A CN115072831B (en) | 2022-07-18 | 2022-07-18 | Environment-friendly energy-saving treatment method for restaurant oil sewage |
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| CN202210854703.5A CN115072831B (en) | 2022-07-18 | 2022-07-18 | Environment-friendly energy-saving treatment method for restaurant oil sewage |
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| CN115072831B (en) | 2023-11-14 |
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