CN201670771U - Catering wastewater oil separator - Google Patents
Catering wastewater oil separator Download PDFInfo
- Publication number
- CN201670771U CN201670771U CN2010201883752U CN201020188375U CN201670771U CN 201670771 U CN201670771 U CN 201670771U CN 2010201883752 U CN2010201883752 U CN 2010201883752U CN 201020188375 U CN201020188375 U CN 201020188375U CN 201670771 U CN201670771 U CN 201670771U
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- China
- Prior art keywords
- pipe
- grease trap
- oil
- sewage
- oil separator
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a catering wastewater oil separator, which comprises an oil separator tank body, wherein the oil separator tank body is provided with a water inlet pipe, a water outlet pipe, an escape pipe, an oil discharge pipe, a breather pipe and a high level overflow pipe, a guide plate, a sieve mesh, an upper cone hopper, a sand setting hopper and a liquid level induction device are arranged in the oil separator, the oil separator comprises an air floatation area and a solid-liquid separating area, a grinding or a cutting pump which is arranged in the solid-liquid separating area is connected with a jet device water inlet, a jet device which is arranged in the air floatation area is connected with a jet device water outlet, a jet device air inlet is communicated with the breather pipe, and a large number of microscopic bubbles which are produced by the jet device can separate a large number of oil balls in catering wastewater from wastewater. The oil discharge pipe is arranged on the top portion of the upper cone hopper, and the sand setting hopper discharges solid sewage through the escape pipe. The catering wastewater oil separator has high degrease efficiency, operates in a full-automatic mode, saves energy, and is convenient to manage. Catering wastewater which is treated can reach to relative discharge standards, and collected floating oil can be recycled and reused.
Description
Technical field
The utility model relates to a kind of oily water separation grease trap of sewage from catering business oil removing, belongs to the oily water treatment technical field.
Background technology
Along with city and development of urbanization, the scale in hotel, hotel, dining room enlarges day by day, and quantity is increasing, and the sewage from catering business amount of Chan Shenging is increasing thereupon.According to incompletely statistics, the sewage from catering business quantity discharged accounts for 3% of city domestic sewage quantity discharged, but its BOD
5And COD
CrContent but accounts for 1/3 of total load.This shows that this high density pollution source of sewage from catering business is the one of the main reasons that causes the urban water-body environmental pollution.
At present, traditional oil trap is adopted in the oil removing of sewage from catering business mostly, and its ultimate principle is to utilize oil different with the proportion of water, and under certain residence time, the grease in the sewage rises naturally by buoyancy, thereby reaches the effect of oily water separation.But there is following distinct disadvantage in traditional oil trap: 1. oil-water separation is poor; 2. oil slick inconvenience cleaning and cause the environment stench; 3. because of the indoor inconvenience of problems such as place and environmental health oil trap is set, therefore most of oil traps all are arranged on outdoor, and outdoor normal anxiety because of land used causes oil trap and dining room can't be provided with or take public land nearby, thereby increases duct length, has improved construction costs; 4. easily cause line clogging, dredge and safeguard blow-off line, waste of manpower, material resources, financial resources; 5. the loss of oil slick in the while oil trap causes a kind of waste of resource again.
The patent No. of Beijing Dongfang Hailian Technology Development Co., Ltd.'s exploitation is 200720154182.3 utility model patent " a kind of food and drink waste water oily water separation grease trap ", this utility model is to utilize pneumatically supported principle to reach the purpose of oily water separation, but this utility model has several significant defectives: in this utility model, at solid and sewage disengaging zone a pulverizing or cutting pump are installed, before also not separating, vegetable and animals oils in sewage just pulverized or cutting pump pulverizing and emulsification, increase the difficulty of follow-up oily water separation, reduced processing efficiency; In the air flotation zone of this utility model, be provided with bubble generator, directly producing bubble by mechanical means with the water in the air flotation zone makes the vegetable and animals oils in the sewage just be pulverized and emulsification before not separating too, increase the difficulty of oily water separation too, also reduced processing efficiency.And pulverizing or cutting pump and bubble generator are two cover electrical equipments, and current consumption is big, the working cost height; In addition, this utility model " when upflow tube 11 there are flowing out; open oil exit pipe 10 valves, the oil exit pipe 10 by the band transparent tube is collected into oil-collecting bucket 13 ", " height of described high-order upflow tube is higher than oil exit pipe " also be irrational, because 1. " upflow tube 11 there are flowing out " is difficult to judge; 2. motorized valve complicated operation; 3. must cause sewage also to flow into the oil-collecting bucket through oil exit pipe; It is to adopt the intermittent mode operation that this utility model also has a weak point, needs Attended mode, can not satisfy the automatic production requirement of industry and commerce.
The sewage from catering business grease trap of other type, adopt the principle of air-dissolving air-float to produce bubble mostly, because the suspended particulate in the sewage after sewage from catering business is handled through air supporting is still a lot, dissolved air release frequent jams, treatment system can't normally be moved in fact at all.
Therefore, the processing of sewage from catering business utilizes two aspects all very important from environment protection and resource, needs a kind of more convenient, more energy-conservation, better waste-oil scavenger device of treatment effect to satisfy the growth requirement in market.
The utility model content
In order to overcome the deficiency of existing sewage from catering business oil removal device, the utility model provides a kind of sewage from catering business grease trap, and it can get rid of oil slick a large amount of in the sewage from catering business, and solid dirt is pulverized or got rid of, the oil removal efficiency height; Handle back sewage and can reach relevant emission standard, but the oil slick resource utilization of collection is utilized again.The full-automatic mode of grease trap is moved, and is energy-conservation, convenient management.
For addressing the above problem, the utility model adopts following technical scheme:
A kind of sewage from catering business grease trap of the utility model, comprise the grease trap casing, grease trap casing upstream is equipped with water inlet pipe, grease trap casing downstream is equipped with rising pipe and high-order upflow tube, blow-down pipe, ventpipe and oil exit pipe also are installed on the grease trap casing, are provided with flow deflector, screen cloth, epicone bucket, sand deposition hopper and liquid level induction system in the grease trap; The water outlet of described gas ejector is positioned at the air flotation zone inner bottom part, and described oil exit pipe is arranged on the air flotation zone top, and stretches out outside the grease trap; Sand deposition hopper links to each other with blow-down pipe, and blow-down pipe stretches out outside the grease trap.Grease trap comprises air flotation zone and solid-liquid displacement zone, and the pulverizing or the cutting pump that are installed in the solid-liquid displacement zone link to each other with the ejector water-in, are installed in the interior rectifier of air flotation zone and link to each other with the ejector water outlet, and the ejector inlet mouth links to each other with ventpipe.
Air flotation zone described in the utility model top is provided with the epicone bucket, and epicone bucket top is a ventpipe, can be provided with heating unit in the epicone bucket being used under the northern cold cold environment condition, in case oil slick lumps at low temperatures, and influences its flowability.Solid-liquid displacement zone described in the utility model is provided with high-order upflow tube, and the height of described high-order upflow tube is lower than oil exit pipe.Described epicone bucket, oil exit pipe and high-order upflow tube constitute floating oil collecting device.The hydraulic pressure and the epicone bucket structure that utilize high-order upflow tube to produce are discharged grease trap with the oil slick concentrated area by oil exit pipe.
Thereby the effect of high-order upflow tube described in the utility model be when under the prerequisite that is not influencing the normal operation of grease trap behind the water shoot valve closes with grease trap in liquid level improve and reach the purpose that makes things convenient for floating oil collecting and automatic oil draining.
Grease trap casing described in the utility model is right cylinder or rectangular shape.
Grease trap described in the utility model is airtight, and waste gas constantly is recycled in the grease trap, and is cleaned, can not diffuse to indoor, thereby the environmental health that guarantees the grease trap periphery meets relevant requirements.
Grease trap described in the utility model top is provided with inspection window.
The utility model is pulverized or cutting pump is used for pulverizing or cutting sewage from catering business macrobead solids, makes it become molecule or mud shape to be beneficial to discharging, not the clog downstream pipeline; Pulverizing or cutting pump utilize fluid energy to produce a large amount of microbubbles by ejector simultaneously, and under capillary effect, oil droplet is attached on the microbubble, because bubble buoyancy can bring to the water surface with oil droplet rapidly more greatly, thereby reach the effect of efficient oily water separation.
It is to be convenient to collect discharging after utilizing hydraulic pressure and awl bucket that oil slick is concentrated that the utility model oil exit pipe mainly acts on; Sand deposition hopper has made things convenient for the precipitation collection and discharging of solids in the sewage.
Technical process of the present utility model is: after oily(waste)water enters grease trap by water inlet pipe, at first big solids separation is come out by screen cloth, oily(waste)water enters air flotation zone behind flow deflector, after a large amount of bubbles that produced by ejector in this district and the oil droplet in the sewage sticked, oil droplet floated rapidly to the water surface with bubble; Floating oil slick to the water surface is being discharged by oil exit pipe after the epicone bucket is concentrated under the hydraulic effect.Overwhelming majority macrobead solid waste are by pulverizing or cutting pump is processed into the mud shape, are discharged by blow-down pipe after being settled down to sand deposition hopper, and the sewage after oil removal treatment is discharged through water shoot.Be installed in cold environment condition following time in the north, the sewage from catering business temperature may reduce rapidly, and the heating unit that at this moment is located at epicone bucket top remains on oil slick to delay the oil slick caking under the certain temperature condition, make oil slick have good flowability.
The utility model can solve the nervous problem of construction land, and the sewage from catering business grease trap can place indoor, also can place outdoorly, can also adopt the mode of installing with burying, and type selecting is convenient.The utility model oil removal efficiency height; Handle back sewage and can reach relevant emission standard; But the oil slick resource utilization of collecting is utilized again; The full-automatic mode of grease trap is moved, and is energy-conservation, convenient management.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model external form.
Label among the figure: 1, water inlet pipe, 2, the grease trap casing, 3, screen cloth, 4, manhole, 5, flow deflector, 6, pulverizing or cutting pump, 7, ejector, 8, rectifier, 9, inlet pipe, 10, inspection window, 11, the epicone bucket, 12, oil exit pipe, 13, ventpipe, 14, sand deposition hopper, 15, blow-down pipe, 16, rising pipe, 17, self-acting valve, 18, high-order upflow tube.
Embodiment
As shown in Figure 1, a kind of sewage from catering business oily water separation of the utility model grease trap comprises water inlet pipe 1, grease trap casing 2, screen cloth 3, manhole 4, flow deflector 5, pulverizing or cutting pump 6, ejector 7, rectifier 8, inlet pipe 9, inspection window 10, epicone bucket 11, oil exit pipe 12, ventpipe 13, sand deposition hopper 14, blow-down pipe 15, rising pipe 16, self-acting valve 17, high-order upflow tube 18.Grease trap casing 2 front ends are equipped with water inlet pipe 1, the grease trap rear end is equipped with rising pipe 16, be provided with screen cloth 3 and flow deflector 5 in the grease trap, grease trap top is provided with oil exit pipe 12, grease trap comprises air flotation zone and solid-liquid displacement zone, solid-liquid displacement zone is equipped with one and pulverizes or cutting pump 6, and described pulverizing or cutting pump 6 front sides are connected sand deposition hopper 14 with rear side, and described sand deposition hopper 14 discharge ports connect blow-down pipe 15; Be provided with the water outlet rectifier 8 of ejector 7 in the air flotation zone, the water inlet pipe of described ejector 7 links to each other with the rising pipe of pulverizing or cutting pump 6; Described air flotation zone top is provided with epicone bucket 11, and epicone bucket top is a ventpipe 13, and described ejector 7 inlet pipe 9 communicate with the ventpipe 13 at epicone bucket 11 tops, and ventpipe 13 is at the upside of oil exit pipe 12.Can be provided with heating unit in the epicone bucket 11.Described oil exit pipe 12 stretches out grease trap by epicone bucket 11.Described solid-liquid displacement zone is provided with high-order upflow tube 18, and the height of described high-order upflow tube 18 is lower than oil exit pipe 12.Utilizing high-order upflow tube 18 hydraulic pressure and epicone bucket 11 structures that but the oil slick concentrated area is not had water by oil exit pipe 12 discharge grease traps discharges with oil.
The effect of high-order upflow tube 18 described in the utility model be when the self-acting valve of installing on the water shoot 16 17 close the back under the prerequisite of the normal operation of grease trap with grease trap in the liquid level raising, thereby reach the purpose that makes things convenient for floating oil collecting and oil extraction.
The utility model inhalant region upside is provided with manhole 4, is used for the cleaning of screen cloth 3 interior slag things and oil slick.
The main effect of the utility model rectifier 8 is to make the high-speed jet air-water mixture energy dissipating of ejector 7 generations and it is evenly distributed.
As shown in Figure 1, grease trap described in the utility model is airtight, and waste gas is constantly aspirated by ejector and is recycled in the grease trap, and waste gas is cleaned, can not diffuse to indoor, thereby the environmental health that guarantees the grease trap periphery meets relevant requirements.Grease trap solid-liquid displacement zone described in the utility model top is provided with inspection window 10, can be by access opening maintenance pulverizing or cutting pump 6 etc.
As shown in Figure 1, be provided with liquid level induction system 19 in the utility model grease trap, liquid level induction system 19 can be the device that float switch or level sensor and so on energy induction level changes, when a certain amount of sewage enters grease trap, liquid level induction system 19 produces signal, makes to pulverize or cutting pump 6 startup operation automatically; When water inlet pipe 1 anhydrous entering of the present utility model, in the time of near the air flotation zone water level drops at the bottom of the following pipe of rising pipe 16, liquid level induction system 19 also sends signal, makes to pulverize or cutting pump 6 stops automatically.The utility model fully automatic operation need not people guard and operation, convenient management; Pulverizing or cutting pump 6 both be used for the pulverizing of solids, served as the power that produces microbubble again, and the utility model is very energy-conservation.
Working process of the present utility model is: sewage from catering business enters screen cloth 3 by the water inlet pipe 1 of sewage from catering business grease trap front end, the bulk solid thing is separated, under the effect of first flow deflector 5, enter air flotation zone, producing current in this district by pulverizing or cutting pump 6 makes ejector 7 produce a large amount of microbubbles, under the capillary effect of microbubble, fat particles is attached on the microbubble, becomes two-layer with microbubble is floating to the water surface and with moisture; The upper strata oil slick can be discharged by oil exit pipe 12, and the processed sewage of lower floor is discharged by water shoot 16.In solid-liquid displacement zone pulverizing or cutting pump 6 are installed, solid dirt in the sewage is ground into molecule or mud shape, pulverized solid dirt is deposited in the sand deposition hopper 14 because of action of gravity, when settling reaches a constant volume, is discharged by blow-down pipe 15.
The utility model utilizes the hydraulic principle to carry out oil extraction, its specific procedure is: when a large amount of greases float to the water surface, close self-acting valve 17, utilize the hydraulic pressure of the liquid level generation of constantly rising, oil slick is clamp-oned in the vertebra bucket 11, and when upflow tube 18 there are flowing out, the oil slick in the last vertebra bucket 11 was just discharged by oil exit pipe 12 automatically, self-acting valve 17 was opened after oil extraction finished, and treat effluent is again by water shoot 16 drainings.
Ejector 7 described in the utility model can place outside the grease trap casing 2, also can place within the grease trap casing 2.
The utility model can solve the nervous problem of construction land, and the sewage from catering business grease trap can place indoor, also can place outdoorly, can also adopt the mode of installing with burying, and type selecting is convenient.The utility model oil removal efficiency height; Handle back sewage and can reach relevant emission standard; But the oil slick resource utilization of collecting is utilized again; The full-automatic mode of grease trap is moved, and is energy-conservation, convenient management.
The utility model is not limited to above-mentioned preferred forms, and other any identical with the utility model or akin products that anyone draws under enlightenment of the present utility model all drop within the protection domain of the present utility model.
Claims (4)
1. sewage from catering business grease trap, comprise the grease trap casing, water inlet pipe, rising pipe, blow-down pipe, ventpipe, oil exit pipe and high-order upflow tube are installed on the grease trap casing, be provided with flow deflector, screen cloth, epicone bucket, sand deposition hopper in the grease trap, grease trap comprises air flotation zone and solid-liquid displacement zone, and the air flotation zone top is provided with the epicone bucket, and the oil exit pipe on epicone bucket top stretches out grease trap, sand deposition hopper in the solid-liquid displacement zone connects blow-down pipe, and blow-down pipe stretches out the grease trap outside; It is characterized in that: the pulverizing or the cutting pump of installing in the described solid-liquid displacement zone link to each other with the ejector water-in, and the rectifier of setting links to each other with the ejector water outlet in the described air flotation zone, and described ejector inlet pipe communicates with the ventpipe at epicone bucket top.
2. sewage from catering business grease trap as claimed in claim 1 is characterized in that: the height of described high-order upflow tube is lower than oil exit pipe.
3. sewage from catering business grease trap as claimed in claim 1 is characterized in that: described ventpipe is at the upside of oil exit pipe.
4. sewage from catering business grease trap as claimed in claim 1 is characterized in that: be provided with liquid level induction system in the described grease trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201883752U CN201670771U (en) | 2010-05-04 | 2010-05-04 | Catering wastewater oil separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201883752U CN201670771U (en) | 2010-05-04 | 2010-05-04 | Catering wastewater oil separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201670771U true CN201670771U (en) | 2010-12-15 |
Family
ID=43328183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201883752U Expired - Fee Related CN201670771U (en) | 2010-05-04 | 2010-05-04 | Catering wastewater oil separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201670771U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986484A (en) * | 2018-01-19 | 2018-05-04 | 南京西普环保科技有限公司 | Oil water separator |
| CN108371842A (en) * | 2018-04-28 | 2018-08-07 | 广东普施德泽环保股份有限公司 | A kind of slagging-off and oily-water seperating equipment |
| CN112661236A (en) * | 2020-12-28 | 2021-04-16 | 上海市建工设计研究总院有限公司 | Multifunctional efficient oil separator |
| CN115959738A (en) * | 2022-09-20 | 2023-04-14 | 罗爱武 | Automatic oil collecting and discharging oil separation tank |
-
2010
- 2010-05-04 CN CN2010201883752U patent/CN201670771U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986484A (en) * | 2018-01-19 | 2018-05-04 | 南京西普环保科技有限公司 | Oil water separator |
| CN108371842A (en) * | 2018-04-28 | 2018-08-07 | 广东普施德泽环保股份有限公司 | A kind of slagging-off and oily-water seperating equipment |
| CN112661236A (en) * | 2020-12-28 | 2021-04-16 | 上海市建工设计研究总院有限公司 | Multifunctional efficient oil separator |
| CN115959738A (en) * | 2022-09-20 | 2023-04-14 | 罗爱武 | Automatic oil collecting and discharging oil separation tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Song Xuehai Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20160504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |