CN108314101B - Full-section overflowing mechanism and full-section overflowing method of restaurant wastewater pretreatment device - Google Patents
Full-section overflowing mechanism and full-section overflowing method of restaurant wastewater pretreatment device Download PDFInfo
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- CN108314101B CN108314101B CN201810112458.4A CN201810112458A CN108314101B CN 108314101 B CN108314101 B CN 108314101B CN 201810112458 A CN201810112458 A CN 201810112458A CN 108314101 B CN108314101 B CN 108314101B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000005192 partition Methods 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 230000009471 action Effects 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000002706 hydrostatic effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000006670 Multiple fractures Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004021 humic acid Substances 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
- 235000012149 noodles Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
Abstract
The invention discloses a full-section overflowing mechanism and a full-section overflowing method of a restaurant wastewater pretreatment device. The full-section flow passing mechanism comprises a case and a plurality of partition plates installed in the case. Three full-face baffles are included in the plurality of baffles. The two opposite side edges of the first full-section partition plate are respectively fixed on the two opposite sides of the case and are erected above the bottom plate of the case, a first transverse flow channel is formed between the lower end of the first full-section partition plate and the bottom plate, the upper end of the first full-section partition plate is not in contact with the top plate of the case, and the case is divided into an oil-water separation area and a liquid drainage area which are communicated with each other through the first transverse flow channel. The second full-section partition plate is positioned in the liquid drainage area, the upper end of the second full-section partition plate is fixed on the top plate, the lower end of the second full-section partition plate is not in contact with the bottom plate, and a second transverse flow channel is formed between the second full-section partition plate and the bottom plate. The lower end of the third full-face partition plate is vertically fixed on the bottom plate, and forms a vertical flow channel which enables liquid to flow out from the upper end of the third full-face partition plate under the action of static pressure with the second full-face partition plate and the case.
Description
Technical Field
The invention relates to the field of restaurant wastewater treatment, in particular to a full-section overflowing mechanism and a full-section overflowing method of a restaurant wastewater pretreatment device.
Background
Domestic business kitchen catering waste water contains a great variety of large granule debris, if: leaves, bones, roots, meat pieces, skins and the like of vegetables need to be isolated, collected and discharged, otherwise, the impurities flow into a rear-end treatment process along with water, and sediment and blockage of an overflowing pore channel are caused. The oil adhered and mixed can affect the oil removing process, and fine particles can be discharged along with water flow, so that the water quality of the discharged water and the garbage accumulation of the outer pipe network are affected. And the fine particles (particle size less than 6mm) in the wastewater, such as: the residues of rice grains, broken bones, fishbones, noodles and the like are partially deposited to the bottom due to self weight, and the residues accumulate more and more to form bottom residue sludge, so that the effective volume is occupied, and the anaerobic humic acid generates foul gas to seriously affect the surrounding environment.
At present, the restaurant wastewater pretreatment equipment is adopted to pretreat restaurant wastewater, wherein the existing restaurant wastewater pretreatment equipment is a pipe hole type runner water outlet mode, the overflowing cross section is small, the instantaneous water fluctuation influence of restaurant wastewater is large, water inlet and water outlet imbalance are easily caused, the runner is narrow, water outlet is slow, the water level at the front end rises fast, and the restaurant wastewater pretreatment equipment is lifted to an oil outlet communicating port to form overflow. In addition, the catering waste water contains more impurities, and the blockage and overflow of the tubular-hole type overflowing cross section are easily caused along with the lapse of the operation time. Therefore, aiming at the special water quality operation condition of the restaurant wastewater, the pipe hole type overflowing cross section has larger operation hidden trouble, the existing overflowing structure is urgently needed to be changed, and the internal water flow is smoother.
Disclosure of Invention
The invention provides a full-section overflowing mechanism and a full-section overflowing method of a restaurant wastewater pretreatment device, aiming at solving the defects of unbalanced water inlet and outlet, slow water outlet and easy blockage and overflow in the prior art.
The solution of the invention is: a full-section flow-through mechanism of a restaurant wastewater pretreatment device comprises a case and a plurality of partition plates arranged in the case; in the plurality of separators includes:
the device comprises a first full-section partition plate, a second full-section partition plate, a first liquid discharge area, a first oil-water separation area and a second liquid discharge area, wherein two opposite side edges of the first full-section partition plate are respectively fixed on two opposite sides of a case, the first full-section partition plate is erected above a bottom plate of the case, a transverse flow channel I is formed between the lower end of the first full-section partition plate and the bottom plate, the upper end of the first full-section partition plate is not in contact with a top plate of the case, and the case is divided into the oil-water separation area and;
the second full-section partition plate is positioned in the liquid drainage area, the upper end of the second full-section partition plate is fixed on the top plate, the lower end of the second full-section partition plate is not in contact with the bottom plate, and a second transverse flow channel is formed between the second full-section partition plate and the bottom plate; and
the lower end of the third full-section partition plate is vertically fixed on the bottom plate, and a vertical flow channel which enables liquid to flow out from the upper end of the third full-section partition plate under the action of static pressure is formed by the third full-section partition plate, the second full-section partition plate and the case;
when the full-section overflowing mechanism operates for the first time to enable liquid to flow out of the upper end of the third full-section partition plate, the liquid needs to be injected into the oil-water separation area until the liquid overflows the two transverse flow channels.
As a further improvement of the above scheme, in the vertical direction of the chassis, the height of the first transverse flow channel is smaller than that of the second transverse flow channel.
As a further improvement of the proposal, the top plate is provided with a water inlet tank communicated with the oil-water separation zone.
Furthermore, a guide plate leading to the oil-water separation area is arranged at the bottom of the water inlet tank.
Still further, the baffle includes: one end of the inclined plate is fixed at the bottom of the water inlet tank, and the opposite end of the inclined plate is inclined downwards towards the inside of the oil-water separation zone; and one end of the linear plate is fixed with the other end of the inclined plate, and the other end of the linear plate is vertically downward in the oil-water separation area.
Preferably, the flow path length of the inclined plate is greater than the flow path length of the straight plate.
Preferably, when the inclined plate is inclined downwards towards the inside of the oil-water separation area, the end face of the inclined plate, which is inclined downwards, is gradually far away from the first full-section partition plate.
As a further improvement of the scheme, the distance between the lower end of the first full-section partition plate and the bottom plate is 30 mm.
The invention also provides a full-section overflowing method of the full-section overflowing mechanism of the restaurant wastewater pretreatment device, which comprises the following steps of: when the full-section overflowing mechanism operates for the first time to enable liquid to flow out of the upper end of the third full-section partition plate, the liquid needs to be injected into the oil-water separation area until the liquid overflows the two transverse flow channels; injecting liquid into the oil-water separation zone; and enabling the liquid in the transverse flow channel II to flow out from the upper end of the third full-section partition plate through the vertical flow channel under the action of static pressure.
As a further improvement of the above-described aspect, the hydrostatic pressure outflow step is initiated during continuous operation of the liquid injection step.
The invention mainly improves the installation position of the partition board, and is matched with the full-section flow passing method of the invention to realize the aim of the invention: the defects of unbalanced water inlet and outlet, slow water outlet and easy blockage and overflow in the prior art are overcome. Compared with the prior art, the invention has the following advantages: 1. the problem of the water flow section of the pipe hole with large flow channel resistance and small flow area is solved; 2. the full-section overflowing mode is more suitable for the water flow characteristic of the restaurant wastewater; 3. the defect of overflow caused by unbalanced liquid level rise is avoided.
Drawings
FIG. 1 is a schematic structural view of a full-section flow-through mechanism of the restaurant wastewater pretreatment device.
Fig. 2 is a schematic view of the full-section flow-passing mechanism in fig. 1 in an operating state.
Fig. 3 is a schematic view of another operating condition of the full face excess flow mechanism of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The full-section flow mechanism is mainly applied to a restaurant wastewater pretreatment device which is used for pretreating restaurant wastewater. Through the full-section flow passing mechanism, the restaurant wastewater pretreatment device can achieve a better effect during pretreatment.
Referring to fig. 1, the full-section flow-passing mechanism includes a case 1 and a plurality of partitions installed in the case 1. The plurality of partition plates include a first full-face partition plate 4, a second full-face partition plate 5, and a third full-face partition plate 6.
The opposite two sides of the first full-face partition plate 4 are fixed on the opposite two sides of the case 1, respectively, and the first full-face partition plate 4 is erected above the bottom plate 3 of the case 1. A first transverse flow channel is formed between the lower end of the first full-section partition plate 4 and the bottom plate 3, the upper end of the first full-section partition plate 4 is not in contact with the top plate 7 of the case 1, and the case 1 is divided into an oil-water separation area 8 and a liquid drainage area 9 which are communicated with each other through the first transverse flow channel by the first full-section partition plate 4.
The second full-section partition plate 5 is positioned in the liquid drainage area 9, the upper end of the second full-section partition plate is fixed on the top plate 7, the lower end of the second full-section partition plate is not in contact with the bottom plate 3, and a second transverse flow channel is formed between the second full-section partition plate and the bottom plate 3.
The lower end of the third full-face partition plate 6 is vertically fixed on the bottom plate 3, and a vertical flow channel which enables liquid to flow out from the upper end of the third full-face partition plate 6 under the action of static pressure is formed by the third full-face partition plate, the second full-face partition plate 5 and the case 1. The hydrostatic action is similar to the principle of water pumping by water pipes and will not be described in detail here.
When the full-section overflowing mechanism operates for the first time to enable liquid to flow out of the upper end of the third full-section partition plate 6, the liquid needs to be injected into the oil-water separation area 8 until the liquid overflows the two transverse flow channels. The invention mainly improves the installation position of the partition board, and is matched with the full-section flow passing method of the invention to realize the aim of the invention: the defects of unbalanced water inlet and outlet, slow water outlet and easy blockage and overflow in the prior art are overcome. Compared with the prior art, the invention has the following advantages: 1. the problem of the water flow section of the pipe hole with large flow channel resistance and small flow area is solved; 2. the full-section overflowing mode is more suitable for the water flow characteristic of the restaurant wastewater; 3. the defect of overflow caused by unbalanced liquid level rise is avoided.
In the vertical direction of the case 1, the height of the first transverse flow channel is smaller than that of the second transverse flow channel. Therefore, when the liquid in the oil-water separation zone 8 flows through the transverse flow channel, the liquid level fluctuation in the oil-water separation zone 8 is small. The distance between the lower end of the first full-face partition plate 4 and the bottom plate 3 is preferably 30mm, and the distance between the lower end of the third full-face partition plate 6 and the bottom plate 3 is preferably 5 times or more the distance between the lower end of the first full-face partition plate 4 and the bottom plate 3.
In the present embodiment, the top plate 7 is provided with a water inlet tank 10 communicating with the oil-water separation zone 8. In other embodiments, the case 1 may be directly opened to perform water inlet, which is equivalent to the function of the water inlet tank 10, and the water inlet tank 10 communicated with the oil-water separation zone 8 may be disposed on the sidewall of the case 1. Therefore, the water inlet tank 10 may be an opening directly formed in the top plate 7, or may be a passage provided in the outer wall of the top plate 7 and communicating with the oil-water separation zone 8.
The bottom of the water inlet tank 10 can be provided with a guide plate 2 leading to the oil-water separation zone 8. The guide plate 2 can slow down the impact force of water flow, plays the role of guiding and reducing the speed, so that the water flow is slowly and uniformly dispersed to the oil-water separation region 8, and the influence caused by large instantaneous water discharge of restaurant wastewater is eliminated.
In the present embodiment, the baffle 2 includes an inclined plate 11 and a linear plate 12. One end of the inclined plate 11 is fixed to the bottom of the water inlet tank 10, and the opposite end of the inclined plate 11 is inclined downward toward the inside of the oil-water separation zone 8. One end of the linear plate 12 is fixed to the opposite end of the inclined plate 11, and the other end of the linear plate 12 is directed vertically downward in the oil-water separation zone 8. When the inclined plate 11 is inclined downwards towards the inside of the oil-water separation area 8, the end face of the inclined plate 11 inclined downwards is gradually far away from the first full-section partition plate 4, so that the guide plate 2 and the side wall of the case 1 are combined into a shape similar to a whistle, and an internal upper conical structure is formed in the oil-water separation area a during oil-water separation, so that the oil gathering and floating speed is increased, and the separation effect is improved in a short time. In order to improve the water flow effect, the length of the flow path of the inclined plate 11 is as large as possible than that of the straight plate 12.
The invention relates to a full-section overflowing mechanism of a restaurant wastewater pretreatment device, and a full-section overflowing method of the full-section overflowing mechanism comprises the following steps.
As shown in fig. 2, when the full-face flow-through mechanism is operated for the first time to make the liquid flow out from the upper end of the third full-face partition 6, the liquid needs to be injected into the oil-water separation zone 8 until the liquid overflows through the two transverse flow channels.
As shown in fig. 3, a liquid is injected into the oil-water separation zone 8.
And enabling the liquid in the transverse flow channel II to flow out of the upper end of the third full-section partition plate 6 through the vertical flow channel under the action of static pressure. Of course, the hydrostatic pressure outflow step may be started at any time during the continuous operation of the liquid injection step, and may not be performed until the liquid injection step is completed.
The overflow mode is particularly suitable for the characteristics of concentrated, instantaneous and discontinuous drainage, large instantaneous water quantity and other water flows of restaurant wastewater, the overflow speed at the rear end is increased, the integral liquid level rises uniformly, and the overflow phenomenon of the wastewater caused by the rapid rise of the liquid level is avoided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A full-section flow-through mechanism of a restaurant wastewater pretreatment device comprises a case (1) and a plurality of partition plates arranged in the case (1); characterized in that, in the plurality of separators, comprises:
the device comprises a first full-section partition plate (4), two opposite side edges of the first full-section partition plate are respectively fixed on two opposite sides of a case (1), the first full-section partition plate (4) is erected above a bottom plate (3) of the case (1), a transverse flow channel I is formed between the lower end of the first full-section partition plate (4) and the bottom plate (3), the upper end of the first full-section partition plate (4) is not in contact with a top plate (7) of the case (1), and the case (1) is divided into an oil-water separation area (8) and a liquid drainage area (9) which are communicated with each other through the transverse flow channel I by the first full-section partition plate (4);
the second full-section partition plate (5) is positioned in the liquid drainage area (9), the upper end of the second full-section partition plate is fixed on the top plate (7), the lower end of the second full-section partition plate is not in contact with the bottom plate (3), and a transverse flow channel II is formed between the second full-section partition plate and the bottom plate (3); and
the lower end of the third full-section partition plate (6) is vertically fixed on the bottom plate (3) and forms a vertical flow channel which enables liquid to flow out of the upper end of the third full-section partition plate (6) under the action of static pressure with the second full-section partition plate (5) and the case (1);
when the full-section overflowing mechanism operates for the first time to enable liquid to flow out of the upper end of the third full-section partition plate (6), the liquid needs to be injected into the oil-water separation area (8) until the liquid overflows the two transverse flow channels.
2. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 1, characterized in that: in the vertical direction of the case (1), the height of the first transverse flow channel is smaller than that of the second transverse flow channel.
3. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 1, characterized in that: the top plate (7) is provided with a water inlet groove (10) communicated with the oil-water separation area (8).
4. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 3, wherein: the bottom of the water inlet tank (10) is provided with a guide plate (2) leading to the oil-water separation zone (8).
5. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 4, wherein: the baffle (2) comprises:
an inclined plate (11) having one end fixed to the bottom of the water inlet tank (10) and the opposite end inclined downward toward the inside of the oil-water separation zone (8); and
and one end of the linear plate (12) is fixed with the other end opposite to the inclined plate (11), and the other end of the linear plate is vertically downward in the oil-water separation area (8).
6. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 5, wherein: the flow path length of the inclined plate (11) is longer than that of the linear plate (12).
7. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 5, wherein: when the inclined plate (11) inclines downwards towards the inside of the oil-water separation area (8), the end face of the inclined plate (11) which inclines downwards is gradually far away from the first full-section partition plate (4).
8. The full-section flow-through mechanism of the restaurant wastewater pretreatment device as claimed in claim 1, characterized in that: the distance between the lower end of the first full-section partition plate (4) and the bottom plate (3) is 30 mm.
9. A full-section flow passing method of a full-section flow passing mechanism of a restaurant wastewater pretreatment device as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
when the full-section overflowing mechanism operates for the first time to enable liquid to flow out of the upper end of the third full-section partition plate (6), the liquid needs to be injected into the oil-water separation area (8) until the liquid overflows the two transverse flow channels;
injecting liquid into the oil-water separation zone (8);
and enabling the liquid in the transverse flow channel II to flow out of the upper end of the third full-section partition plate (6) through the vertical flow channel under the action of static pressure.
10. A full-face flow-through method as claimed in claim 9, wherein: during the continuous operation of the liquid injection step, the hydrostatic pressure outflow step is initiated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112458.4A CN108314101B (en) | 2018-02-05 | 2018-02-05 | Full-section overflowing mechanism and full-section overflowing method of restaurant wastewater pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112458.4A CN108314101B (en) | 2018-02-05 | 2018-02-05 | Full-section overflowing mechanism and full-section overflowing method of restaurant wastewater pretreatment device |
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| Publication Number | Publication Date |
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| CN108314101A CN108314101A (en) | 2018-07-24 |
| CN108314101B true CN108314101B (en) | 2020-10-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614684A (en) * | 2012-04-19 | 2012-08-01 | 中水北方勘测设计研究有限责任公司 | Oil-water separation device for leakage drainage system in hydropower station |
| CN203578243U (en) * | 2013-10-29 | 2014-05-07 | 冯愚斌 | Skimmer |
| CN205419851U (en) * | 2016-03-17 | 2016-08-03 | 大连建华污泥处理有限公司 | Shock -resistant high -efficient oil -water separator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0671294A (en) * | 1992-08-27 | 1994-03-15 | Meiji Seika Kaisha Ltd | Method and device for treating waste water |
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2018
- 2018-02-05 CN CN201810112458.4A patent/CN108314101B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614684A (en) * | 2012-04-19 | 2012-08-01 | 中水北方勘测设计研究有限责任公司 | Oil-water separation device for leakage drainage system in hydropower station |
| CN203578243U (en) * | 2013-10-29 | 2014-05-07 | 冯愚斌 | Skimmer |
| CN205419851U (en) * | 2016-03-17 | 2016-08-03 | 大连建华污泥处理有限公司 | Shock -resistant high -efficient oil -water separator |
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| CN108314101A (en) | 2018-07-24 |
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Address after: No. 9622 Fangxing Avenue, Hefei Economic and Technological Development Zone, Anhui Province, 230001 Patentee after: Anhui Tianjian Biological Environmental Protection Co.,Ltd. Address before: 230001 Fangxing Avenue, Taohua Industrial Park, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: ANHUI TIANJIAN ENVIRONMENTAL PROTECTION Co.,Ltd. |