CN203653339U - Device for treating oilfield sewage to realize fine standard attainment - Google Patents
Device for treating oilfield sewage to realize fine standard attainment Download PDFInfo
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- CN203653339U CN203653339U CN201320732200.7U CN201320732200U CN203653339U CN 203653339 U CN203653339 U CN 203653339U CN 201320732200 U CN201320732200 U CN 201320732200U CN 203653339 U CN203653339 U CN 203653339U
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Abstract
The utility model discloses a device for oilfield sewage to realize fine standard attainment. The device comprises a filter tank body with a water inlet pipe and a water outlet pipe and is characterized in that the upper part of the inner side of the filter tank body is provided with an upper sieve plate and an oil receiving trough, wherein the top tank wall of the filter tank body is provided with a blowdown pipe, the blowdown pipe is provided with a drain regulating valve and a drain flowmeter, the top tank wall of the filter tank body is provided with a gas discharge pipe, the gas discharge pipe is provided with a gas exhaust regulating valve, and an outlet of the gas discharge pipe penetrates in a liquid remover; the side wall of the filter tank body is provided with the water inlet pipe, and the water inlet pipe is provided with a water inlet flowmeter; the lower part of the inner side of the filter tank body is provided with a lower sieve plate and an aerator pipe fitting; the bottom tank wall of the filter tank body is provided with a back-washing water inlet pipe and a water outlet pipe, wherein the water outlet pipe is connected with a water outlet regulating valve, and an upper layer of filter material and a lower layer of filter material are arranged in a space between the upper sieve plate and the lower sieve plate in the filter tank body; the rotational flow, the gas flotation treatment and filter technology are integrated so that the device has the functions of gas flotation and rotational flow oil-removing and filtering by dual-layer filter materials, the rate of removing the suspension and oil content in the sewage is high, and the oilfield sewage treated effluent quality reaches the standard.
Description
Technical field
The utility model relates to waste disposal plant, relates in particular to the meticulous treatment unit up to standard of a kind of oilfield sewage.
Background technology
Oilfield sewage fine processing technique comprises oil removing and filters two steps at present, and wherein, oil removing process is mainly following 4 kinds of modes, 1. oil separation tank one-level or two-stage oil removing; 2. oil separation tank+air supporting (pressure oil removing) oil removing; 3. eddy flow+pressure oil removing, 4. single stage of pressure oil removing, air supporting or cyclone deoiling; Filtration process is generally following several, 1. nut-shell+fiber-ball filter media filtration method; 2. nut-shell+quartz sand filter media filtration method; 3. air supporting+shifting sand filter filtration method; 4. nut-shell+fibrous nodules+membrane filtration (sintered filter core).
Oilfield sewage is after above-mentioned art breading, and effluent quality is still difficult to the requirement that touches the mark, and the visible meticulous processing up to standard of oil field recharged waste water remains difficult point and the emphasis that petroleum industry need to solve.In addition, take above-mentioned technique to carry out disposing polluted water in oil and also have following shortcoming: 1. technical process is long, and floor space is large, and investment cost is high; 2. single devices efficiency is low, narrow application range.
Therefore there is pending improvement.
Utility model content
Main purpose of the present utility model is to overcome the above-mentioned shortcoming that prior art exists, and provide a kind of oilfield sewage meticulous treatment unit up to standard, this device has three of upper, middle and lowers and processes structure, rationally utilize device space structure, integrated eddy flow, air supporting treatment technology and filtering technique, there is air supporting cyclone deoiling and double-layer filter material filtering function, high to suspended substance in sewage, oleaginousness removal efficiency, applied widely, effect stability is reliable, makes the effluent quality after disposing polluted water in oil up to standard.
The purpose of this utility model is realized by following technical scheme:
The meticulous treatment unit up to standard of the utility model oilfield sewage, comprises the filtration tank body that is provided with rising pipe and water inlet pipe; It is characterized in that: this filtration tank body inside upper part is provided with top sieve plate 1 and collection tank 2; Filter tank body top tank skin and be provided with blow-off pipe 3, this blow-off pipe 3 is provided with sewage discharging regulation valve 31 and blowdown flow meter 32; Filter tank skin central position, tank body top and be provided with gas discharge pipe 4, this gas discharge pipe 4 is provided with exhaust regulating valve 41, and gas discharge pipe 4 outlets are located in liquid knockout 42; The upper position of this hay tank body sidewall has installed water inlet pipe 5, and this water inlet pipe is provided with flooding velocity meter 51; This filtration tank body lower inside is provided with bottom sieve plate 6 and aeration pipe fitting; This filtration tank base tank skin central position is provided with back flushing water inlet pipe 81 and rising pipe 82, connects water regulating valve 83 on this rising pipe; And filter in the space of tank interior between top sieve plate 1 and bottom sieve plate 6 upper and lower two-layer filtrate is housed.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, the upper and lower two-layer filtrate being equipped with in the space of wherein said filtration tank interior between top sieve plate 1 and bottom sieve plate 6 is that upper strata is walnut shell filtering material 91, lower floor is quartz sand filter media 92.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, wherein said water inlet pipe 5 is located at hay tank body sidewall middle and upper part and is positioned at the position of top sieve plate 1 below, this water inlet pipe 5 is connected with hay tank body sidewall tangentially formula, and between this water inlet pipe and hay tank body sidewall, tangent angle A is 80 ± 5 degree; And water inlet pipe is provided with flooding velocity meter 51.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, the aeration pipe fitting that wherein said filtration tank base is provided with comprises aerating regulation valve 71, body 73 and aeration head 72, on the tank skin of this body 73 by filtration tank body lower part sieve plate 6 belows, penetrate and filter in tank body, one end that body 73 is positioned at filtration tank body tank skin outside is compressed air inlet, this body 73 is provided with aerating regulation valve 71 near the tube wall of compressed air inlet end, the other end of this body 73 is blind end, and the body tube wall that is positioned at filtration tank body is provided with several aeration heads 72 of equidistant arrangement.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, the top sieve plate 1 that wherein said filtration tank body inside upper part is provided with is the section form plate body identical with hay tank body section shape, this plate body outer is fixed with filtering inner tank wall, and uniform several sieve apertures on the plate face of plate body; This collection tank 2 is the annular solid of L font for section, and this section is the open side base plate outer rim and the inner wall sealing welding of top sieve plate 1 top of filtering tank body of the annular solid of L font.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, wherein said gas discharge pipe 4 is arranged on and filters tank body top center position, the outlet of this gas discharge pipe 4 is located in liquid knockout 42, and exhaust regulating valve 41 is arranged on gas discharge pipe 4 at liquid knockout 42 and filters on the tube wall of pipeline section between tank body; This liquid knockout 42 is columniform tank body, and this tank base seals and open top, and liquid knockout lower sides is provided with liquid discharge pipe 43.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, wherein said sewage discharging regulation valve 3, exhaust regulating valve 41, aerating regulation valve 71 and go out water regulating valve 83 and be commercially available electronic regulating and controlling valve; Wherein sewage discharging regulation valve 3 is DD100 with the model that goes out water regulating valve 83, and the model of exhaust regulating valve 41 is DD40, and the model of aerating regulation valve 71 is DD50.
The meticulous treatment unit up to standard of aforesaid oilfield sewage, the bottom sieve plate 6 that wherein said filtration tank body lower inside is provided with is the section form plate body identical with hay tank body section shape, this plate body outer is fixed with filtering inner tank wall, and uniform several sieve apertures on the plate face of plate body.
The beneficial effects of the utility model: this device has three of upper, middle and lowers and processes structures, rationally utilizes device space structure, integrated eddy flow, air supporting treatment technology and filtering technique.The eddy flow on top and air supporting space while are as the back flushing expansion space of walnut shell filtering material and quartz sand filter media, bottom is processed structure and is provided in a side of the aerating apparatus that filters tank base, and this is used for pneumatically supported aerating apparatus and can be used as simultaneously the gas-washing device of back flushing; The eddy flow on top and air supporting are for removing the dispersed oil of sewage, middle part is filter house, particle diameter of filter medium is descending, proportion from light to heavy, gradable removal suspended substance, the upper strata walnut shell filtering material of middle part filter house is for removing the oil in water emulsion of sewage and the suspended substance of large particle diameter, and lower floor's quartz sand filter media is mainly used in removing the suspended substance of remaining small particle size in sewage.This device is wide to the optimum range of sewage degrease, and oil removal efficiency is high, and effect stability is reliable.
Accompanying drawing explanation:
Fig. 1 is the utility model one-piece construction schematic diagram.
Major label description in figure:
It is tangent angle that 1 top sieve plate, 2 collection tanks, 3 blow-off pipes, 31 sewage discharging regulation valves, 32 blowdown flow meters, 4 exhaust pipe fittings, 41 exhaust regulating valves, 42 liquid knockouts, 43 liquid knockout liquid discharge pipes, 5 water inlet pipes, 51 flooding velocity meters, 6 bottom sieve plates, 71 aerating regulation valves, 72 aeration heads, 73 bodys, 81 back flushing water inlet pipes, 82 rising pipes, 83 go out water regulating valve, 91 walnut shell filtering material layers, 92 quartz sand filter media layers, A.
Embodiment
As shown in Figure 1, the meticulous treatment unit up to standard of the utility model oilfield sewage, comprises the filtration tank body that is provided with rising pipe and water inlet pipe; Its improvements are: this filtration tank body inside upper part is provided with top sieve plate 1 and collection tank 2; The top tank skin that filters tank body is provided with blow-off pipe 3, and this blow-off pipe 3 is provided with sewage discharging regulation valve 31 and blowdown flow meter 32; The tank skin central position, top of filtering tank body is provided with gas discharge pipe 4, and this gas discharge pipe 4 is provided with exhaust regulating valve 41, and gas discharge pipe 4 outlets are located in liquid knockout 42; The upper position of this hay tank body sidewall has installed water inlet pipe 5, and this water inlet pipe is provided with flooding velocity meter 51; This filtration tank body lower inside is provided with bottom sieve plate 6 and aeration pipe fitting; This filtration tank base tank skin central position is provided with back flushing water inlet pipe 81 and rising pipe 82, connects water regulating valve 83 on this rising pipe; And filter in the space of tank interior between top sieve plate 1 and bottom sieve plate 6 upper and lower two-layer filtrate is housed.
As shown in Figure 1, the meticulous treatment unit up to standard of the utility model oilfield sewage, wherein, the upper and lower two-layer filtrate being equipped with in the space of described filtration tank interior between top sieve plate 1 and bottom sieve plate 6 is that upper strata is walnut shell filtering material 91, and lower floor is quartz sand filter media 92.Described water inlet pipe 5 is located at hay tank body sidewall middle and upper part and is positioned at the position of top sieve plate 1 below, and this water inlet pipe 5 is connected with hay tank body sidewall tangentially formula, and between this water inlet pipe and hay tank body sidewall, tangent angle A is 80 ± 5 degree; And water inlet pipe is provided with flooding velocity meter 51.The aeration pipe fitting that described filtration tank base is provided with comprises aerating regulation valve 71, body 73 and aeration head 72, on the tank skin of this body 73 by filtration tank body lower part sieve plate 6 belows, penetrate and filter in tank body, one end that body 73 is positioned at filtration tank body tank skin outside is compressed air inlet, this body 73 is provided with aerating regulation valve 71 near the tube wall of compressed air inlet end, the other end of this body 73 is blind end, and the body tube wall that is positioned at filtration tank body is provided with several aeration heads 72 of equidistant arrangement.The top sieve plate 1 that described filtration tank body inside upper part is provided with is the section form plate body identical with hay tank body section shape, and this plate body outer is fixed with filtering inner tank wall, and uniform several sieve apertures on the plate face of plate body; This collection tank 2 is the annular solid of L font for section, and this section is the open side base plate outer rim and the inner wall sealing welding of top sieve plate 1 top of filtering tank body of the annular solid of L font.Described gas discharge pipe 4 is arranged on and filters tank body top center position, and the outlet of this gas discharge pipe 4 is located in liquid knockout 42, and exhaust regulating valve 41 is arranged on gas discharge pipe 4 at liquid knockout 42 and filters on the tube wall of pipeline section between tank body; This liquid knockout 42 is columniform tank body, and this tank base seals and open top, and liquid knockout lower sides is provided with liquid discharge pipe 43.Described sewage discharging regulation valve 3, exhaust regulating valve 41, aerating regulation valve 71 and go out water regulating valve 83 and be commercially available electronic regulating and controlling valve; Wherein sewage discharging regulation valve 3 is DD100 with the model that goes out water regulating valve 83, and the model of exhaust regulating valve 41 is DD40, and the model of aerating regulation valve 71 is DD50.The bottom sieve plate 6 that described filtration tank body lower inside is provided with is the section form plate body identical with hay tank body section shape, and this plate body outer is fixed with filtering inner tank wall, and uniform several sieve apertures on the plate face of plate body.
The use of the meticulous treatment unit up to standard of the utility model oilfield sewage:
After oilfield sewage enters with tangential direction through under meter 51 from water inlet pipe 5 and filters in tank body, in filtration tank body, form eddy flow, make to enter the rolling action float downward that filters the micro-bubble that the dispersed oil in sewage in tank body and part oil in water emulsion produce at aeration, when upper strata crude oil liquid level higher than collection tank 2 on when the position on edge, automatically combine in collection tank 2, then discharge by self-pressure through sewage discharging regulation valve 3 and blowdown flow meter 4, the gas producing enters liquid knockout 42 by gas discharge pipe 4 through exhaust regulating valve 41, this gas produces eddy flow after entering liquid knockout, under cyclonic action, gas-liquid separates, gas is emptying by liquid knockout upper end open place, liquid is discharged by liquid knockout liquid discharge pipe 43 and is entered sewage works waste water reclamation pond.Via top sieve plate 1, after walnut shell filtering material layer 91 and quartz sand filter media layer 92, (peach shell filter material layer 91 and quartz sand filter media layer 92 are positioned on bottom sieve plate 6 sewage of discharge oil and gas downwards, bottom sieve plate plays the effect of supporting filtrate), after discharged through going out water regulating valve 83 by rising pipe 82, now backwash tube 81 is closed, in tank body, liquid is by the control of sewage discharging regulation valve 3 and exhaust regulating valve 41, the flow of guaranteeing blowdown flow meter 32 be flooding velocity meter 51 8%～10% between (in the time that flow is bigger than normal, adjustable little sewage discharging regulation valve 31, vice versa, control exhaust regulating valve 41 well simultaneously, what guarantee discharge is gas, in the time having liquid to produce in expellant gas, turn down exhaust regulating valve 41, vice versa), so filter about 8 hours, stop into water, sewage discharging regulation valve 31 standard-sized sheets, going out water regulating valve 83 closes, back flushing water inlet pipe 81 is intake, walnut shell filtering material layer 91 and quartz sand filter media layer 92 are carried out to backwash, backwash is after 30min, backwash sewage is discharged through the blow-off pipe 3 of sewage discharging regulation valve 31 and blowdown flow meter 32, after backwash completes, close back flushing back with water inlet line 81, open rising pipe 82, again start to enter sewage, recover normal effluent treatment and filtering.
The content not describing in the present embodiment is prior art, therefore, no longer repeat.
The advantage of the meticulous treatment unit up to standard of the utility model oilfield sewage: 1, reasonable in design is high to suspended substance in sewage, oleaginousness removal efficiency.2, this apparatus structure compactness, floor space is little, and investment cost is low, and treatment effect is equivalent to the treatment effect of 4 grades of sewage disposal devices of tradition.3, applied widely, be suitable for the processing of various former oily waters and tertiary oil recovery sewage.4, be convenient to skid and on-the-spot installation, easy to use.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. the meticulous treatment unit up to standard of oilfield sewage, comprises the filtration tank body that is provided with rising pipe and water inlet pipe; It is characterized in that: this filtration tank body inside upper part is provided with top sieve plate (1) and collection tank (2); Filter tank body top tank skin and be provided with blow-off pipe (3), this blow-off pipe (3) is provided with sewage discharging regulation valve (31) and blowdown flow meter (32); Filter tank body top tank skin and be provided with gas discharge pipe (4), this gas discharge pipe (4) is provided with exhaust regulating valve (41), and gas discharge pipe (4) outlet is located in liquid knockout (42); This hay tank body sidewall is provided with water inlet pipe (5), and this water inlet pipe is provided with flooding velocity meter (51); This filtration tank body lower inside is provided with bottom sieve plate (6) and aeration pipe fitting; This filtration tank base tank skin is provided with back flushing water inlet pipe (81) and rising pipe (82), connects water regulating valve (83) on this rising pipe (82); And upper and lower two-layer filtrate is equipped with in the space that filtration tank interior is positioned between top sieve plate (1) and bottom sieve plate (6).
2. according to the meticulous treatment unit up to standard of right oilfield sewage claimed in claim 1, it is characterized in that: it is that upper strata is walnut shell filtering material (91) that described filtration tank interior is positioned at the upper and lower two-layer filtrate being equipped with in the space between top sieve plate (1) and bottom sieve plate (6), and lower floor is quartz sand filter media (92).
3. according to the meticulous treatment unit up to standard of right oilfield sewage claimed in claim 1, it is characterized in that: described water inlet pipe (5) is located at hay tank body sidewall middle and upper part and is positioned at the position of top sieve plate (1) below, this water inlet pipe (5) is connected with hay tank body sidewall tangentially formula, and between this water inlet pipe and hay tank body sidewall, tangent angle (A) is 80 ± 5 degree; And water inlet pipe is provided with flooding velocity meter (51).
4. the meticulous treatment unit up to standard of oilfield sewage according to claim 1, it is characterized in that: the aeration pipe fitting that described filtration tank base is provided with comprises aerating regulation valve (71), body (73) and aeration head (72), this body (73) filters in tank body by penetrating on the tank skin filtering below tank body lower part sieve plate (6), one end that body (73) is positioned at filtration tank body tank skin outside is compressed air inlet, this body (73) is provided with aerating regulation valve (71) near the tube wall of compressed air inlet end, the other end of this body (73) is blind end, the body tube wall that is positioned at filtration tank body is provided with several aeration heads (72) of equidistant arrangement.
5. the meticulous treatment unit up to standard of oilfield sewage according to claim 1, it is characterized in that: the top sieve plate (1) that described filtration tank body inside upper part is provided with is the section form plate body identical with hay tank body section shape, this plate body outer is fixed with filtering inner tank wall, and uniform several sieve apertures on the plate face of plate body; This collection tank (2) is the annular solid of L font for section, and this section is the open side base plate outer rim and the inner wall sealing welding of top sieve plate (1) top of filtering tank body of the annular solid of L font.
6. the meticulous treatment unit up to standard of oilfield sewage according to claim 1, it is characterized in that: described gas discharge pipe (4) is arranged on and filters tank skin central position, tank body top, the outlet of this gas discharge pipe (4) is located in liquid knockout (42), and exhaust regulating valve (41) is arranged on gas discharge pipe (4) and is positioned at liquid knockout (42) and filters on the tube wall of pipeline section between tank body; This liquid knockout (42) is columniform tank body, and this tank base seals and open top, and liquid knockout lower sides is provided with liquid discharge pipe (43).
7. the meticulous treatment unit up to standard of oilfield sewage according to claim 1, is characterized in that: described sewage discharging regulation valve (3), exhaust regulating valve (41), aerating regulation valve (71) and go out water regulating valve (83) and be commercially available electronic regulating and controlling valve; Wherein sewage discharging regulation valve (3) and the model that goes out water regulating valve (83) are DD100, and the model of exhaust regulating valve (41) is DD40, and the model of aerating regulation valve (71) is DD50.
8. the meticulous treatment unit up to standard of oilfield sewage according to claim 1, it is characterized in that: the bottom sieve plate (6) that described filtration tank body lower inside is provided with is the section form plate body identical with hay tank body section shape, this plate body outer is fixed with filtering inner tank wall, and uniform several sieve apertures on the plate face of plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732200.7U CN203653339U (en) | 2013-11-19 | 2013-11-19 | Device for treating oilfield sewage to realize fine standard attainment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732200.7U CN203653339U (en) | 2013-11-19 | 2013-11-19 | Device for treating oilfield sewage to realize fine standard attainment |
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| Publication Number | Publication Date |
|---|---|
| CN203653339U true CN203653339U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320732200.7U Expired - Fee Related CN203653339U (en) | 2013-11-19 | 2013-11-19 | Device for treating oilfield sewage to realize fine standard attainment |
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| CN (1) | CN203653339U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836916A (en) * | 2015-01-15 | 2016-08-10 | 江苏江澄环保设备工程有限公司 | Novel skid-mounted oil-water separation device |
| CN105836915A (en) * | 2015-01-15 | 2016-08-10 | 江苏江澄环保设备工程有限公司 | Oil-water separation complete equipment |
| CN108164021A (en) * | 2017-12-29 | 2018-06-15 | 常州思宇知识产权运营有限公司 | A kind of oil containing sewage filter |
| CN110590023A (en) * | 2019-10-24 | 2019-12-20 | 山东百盈工业设备有限公司 | Domestic sewage purifier |
-
2013
- 2013-11-19 CN CN201320732200.7U patent/CN203653339U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836916A (en) * | 2015-01-15 | 2016-08-10 | 江苏江澄环保设备工程有限公司 | Novel skid-mounted oil-water separation device |
| CN105836915A (en) * | 2015-01-15 | 2016-08-10 | 江苏江澄环保设备工程有限公司 | Oil-water separation complete equipment |
| CN108164021A (en) * | 2017-12-29 | 2018-06-15 | 常州思宇知识产权运营有限公司 | A kind of oil containing sewage filter |
| CN110590023A (en) * | 2019-10-24 | 2019-12-20 | 山东百盈工业设备有限公司 | Domestic sewage purifier |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141119 |
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| EXPY | Termination of patent right or utility model |