CN216863847U - Complete equipment for advanced treatment of oilfield sewage - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, in particular to complete equipment for advanced treatment of oil field sewage, which improves the treatment effect of the equipment on the sewage; the stability of the equipment is improved; including PH regulation reaction sled, flocculation reaction sled, the one-level precipitates the sled, the sled is precipitated to the second grade, the water storage tank, high-efficient micro-nano air supporting sled, the sled is filtered to the ceramic membrane, the medicament adds sled and mud dehydration sled, PH regulation reaction sled and flocculation reaction sled communicate, flocculation reaction sled and one-level precipitate the sled and communicate, the one-level precipitates sled and the second grade precipitates the sled and communicates, the second grade precipitates sled and high-efficient micro-nano air supporting sled and communicates, high-efficient micro-nano air supporting sled and ceramic membrane filter the sled and communicate, the water storage tank filters the sled with the ceramic membrane and communicates.

Description

Complete equipment for advanced treatment of oilfield sewage

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to complete equipment for advanced treatment of oilfield sewage.

Background

The oilfield sewage mainly comprises oilfield produced water, drilling sewage such as drilling fluid, fracturing fluid, flushing fluid and other types of oily sewage. The prior treatment mode does not realize the advanced treatment function of the oil field sewage, and most treatment equipment has dispersed functions, large occupied area, low sewage treatment efficiency and substandard quality of produced water.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a sewage treatment device which improves the sewage treatment effect of the device; the oil field sewage advanced treatment complete equipment improves the stability of equipment use.

The utility model discloses complete equipment for advanced treatment of oilfield sewage, which comprises a PH regulation reaction pry, a flocculation reaction pry, a primary precipitation pry, a secondary precipitation pry, a water storage tank, a high-efficiency micro-nano air flotation pry, a ceramic membrane filtration pry, a medicament addition pry and a sludge dewatering pry, wherein the PH regulation reaction pry is communicated with the flocculation reaction pry, the flocculation reaction pry is communicated with the primary precipitation pry, the primary precipitation pry is communicated with the secondary precipitation pry, the secondary precipitation pry is communicated with the high-efficiency micro-nano air flotation pry, the high-efficiency micro-nano air flotation pry is communicated with the ceramic membrane filtration pry, and the water storage tank is communicated with the ceramic membrane filtration pry; the PH regulation reaction pry regulates the PH of the input sewage; flocculating the sewage with the adjusted PH value by using a flocculation reaction pry; the first-stage sedimentation pry and the second-stage sedimentation pry are used for settling flocculates in the flocculated sewage; the sludge dewatering pry dewaters sludge generated by each treatment pry; the efficient micro-nano air floatation pry is used for carrying out air floatation removal on floccules and tiny impurities in the precipitated sewage body; the ceramic membrane filtering pry is used for carrying out ultrafiltration purification on the sewage subjected to air floatation by the high-efficiency micro-nano air floatation pry; the agent adding pry is used for preparing and adding NaOH, PAC and PAM agents required by equipment; sewage enters into and carries out the PH regulation in the PH regulation reaction sled, sewage after the regulation enters into and flocculates in the flocculation reaction sled, sewage after the flocculation carries out the precipitation of flocculation through one-level sediment sled and second grade sediment sled, the flocculation deposits the sewage input after the completion and carries out the air supporting and get rid of remaining flocculus and small impurity in the high-efficient micro-nano air supporting sled, sewage after the air supporting enters into and carries out ultrafiltration purification in the ceramic membrane filters the sled, reach the emission standard after the sewage ultrafiltration purification and discharge, simultaneously each is handled the sled and deposits the mud of production and input and carry out the dehydration filter-pressing in the mud dehydration sled, the mud cake of production discharges, equipment each is handled the required NaOH of sled, PAC and PAM medicament add the sled and are equipped with the provision through the medicament, the treatment effect of equipment to sewage is improved.

Preferably, the PH regulation reaction sled comprises a first reaction tank, a plurality of PH reaction sled mixers, a second reaction tank, a third reaction tank, a local PH reaction sled control box, a PH reaction sled dredge pump and three PH reaction sled dredge pipelines, the PH regulation reaction sled is provided with a PH reaction sled water inlet, the PH regulation reaction sled is provided with the first reaction tank, the second reaction tank and the third reaction tank, the plurality of PH reaction sled mixers are arranged on the PH regulation reaction sled, the plurality of PH reaction sled mixers are respectively positioned in the first reaction tank, the second reaction tank and the third reaction tank, the first reaction tank, the second reaction tank and the third reaction tank are separated by a partition plate, the partition plate is provided with a water passing port, the PH regulation reaction sled is also provided with a PH reaction sled water outlet, the PH reaction sled water outlet is communicated with the flocculation reaction sled, the local PH reaction control box and the PH reaction sled control box are arranged on the PH regulation reaction sled, PH reaction prying sludge discharge pipelines are arranged at the lower ends of the first reaction tank, the second reaction tank and the third reaction tank; sewage enters into PH regulation reaction sled through PH reaction sled water inlet in, control PH regulation reaction sled through PH reaction sled local control box, it adjusts to add the PH in reaction tank, the medicament adds the in-process and starts PH reaction sled mixer and stir sewage and medicament, it is more abundant to make the reaction, sewage once flows into No. two reaction tanks and No. three reaction tanks through the water gap of crossing of baffle, after the sewage PH in the PH regulation reaction sled reaches the standard, through PH reaction sled outlet of water with sewage input the flocculation reaction sled in, simultaneously under the effect of PH reaction sludge discharge pump, a reaction tank, the mud in No. two reaction tanks and No. three reaction tanks is discharged through PH reaction sled sludge discharge pipe way respectively, the convenience of equipment use has been improved.

Preferably, the flocculation reaction pry comprises a first flocculation tank, a plurality of flocculation pry stirring machines, a second flocculation tank, a third flocculation tank and a flocculation pry local control box, the device comprises a flocculation pry mud discharging pump and three flocculation pry mud discharging pipelines, wherein a flocculation pry water inlet and a flocculation pry water outlet are formed in a flocculation reaction pry, the flocculation pry water inlet is communicated with a PH reaction pry water outlet, the flocculation reaction pry is divided into a first flocculation tank, a second flocculation tank and a third flocculation tank through a partition plate, water passing ports are formed in the partition plate, a plurality of flocculation pry stirring machines are mounted on the flocculation reaction pry and are respectively positioned in the first flocculation tank, the second flocculation tank and the third flocculation tank, a flocculation pry local control box and the flocculation pry mud discharging pump are mounted on the flocculation reaction pry, the lower ends of the first flocculation tank, the second flocculation pry and the third flocculation tank are respectively provided with the flocculation mud discharging pipelines, and the lower end of the third flocculation tank is further provided with an underwater camera; PH reaction sled outlet port exhaust sewage enters into the flocculation reaction sled through flocculation sled water inlet in, control the flocculation reaction sled through flocculation sled local control case, add the PAC flocculating agent in a flocculation basin, add the PAM coagulant aid in No. two flocculation basins, sewage flocculates through the effect of PAC flocculating agent and PAM coagulant aid, observe the flocculation condition through the camera under water simultaneously, the mode through the overflow makes sewage enter into the one-level through flocculation sled outlet port after the flocculation is accomplished in the sled, the treatment effect of equipment to sewage has been improved.

Preferably, the primary sedimentation pry and the secondary sedimentation pry are identical in structure, the primary sedimentation pry comprises a sedimentation pry water inlet tank, a sedimentation tank, an inclined pipe filler, a sedimentation pry local control box, a sedimentation pry mud discharge pump and a plurality of sedimentation pry mud discharge pipelines, a sedimentation pry water inlet and a sedimentation pry water outlet are formed in the primary sedimentation pry, the sedimentation pry water inlet is communicated with a flocculation pry water outlet, the primary sedimentation pry is divided into a sedimentation pry water inlet tank, a sedimentation tank and an inclined pipe filler, the sedimentation pry local control box and the sedimentation pry mud discharge pump are installed on the primary sedimentation pry, the plurality of sedimentation pry mud discharge pipelines are installed at the lower end of the primary sedimentation pry, and an overflow port is formed in the lower part of a partition plate between the sedimentation pry water inlet tank and the sedimentation tank; control the one-level through deposiing sled local control case and deposiing the sled, the waste water of flocculation sled outlet port exhaust enters into through deposiing the sled water inlet and deposits in the sled intake chamber, and the waste water in the precipitation sled intake chamber enters into the sedimentation tank through the overflow mouth, makes the flocculation thing of aquatic deposit fast through the auxiliary action that the pipe chute packed, and the waste water after the sediment carries out the secondary sedimentation in entering into the second grade through deposiing the sled outlet port, has improved the treatment effect of equipment to waste water.

Preferably, the high-efficiency micro-nano air floatation pry comprises an air floatation pry sludge discharge pump, an air floatation pry local control box, a scum tank, a clear water tank, a slag skimming machine, an air floatation tank, a second stirring tank, a first stirring tank and an air floatation pry stirrer, the efficient micro-nano air flotation pry comprises an air flotation pry water inlet tank, an air dissolving pump, an air dissolving tank, an air dissolving water releaser and an air flotation pry mud discharging pipeline, wherein an air flotation pry water outlet and an air flotation pry water inlet are formed in the efficient micro-nano air flotation pry; the sewage discharged by the second-stage sedimentation pry enters an air floatation pry water inlet tank through an air floatation pry water inlet, a PAC coagulant aid is added into the air floatation pry water inlet tank, the sewage enters a first stirring tank through an overflow port at the lower part of a partition plate, two air floatation pry stirring machines are started, the two air floatation pry stirring machines are used for stirring the sewage in the first stirring tank and the sewage in a second stirring tank respectively, the sewage in the first stirring tank enters the second stirring tank through the overflow port below the partition plate, a PAM coagulant aid is added into the second stirring tank, the sewage enters the air floatation tank through an overflow pipe, a dissolved air pump and a dissolved air tank are started, micro-nano dissolved air water after the dissolved air pump and the dissolved air tank are dissolved is released into the air floatation tank through an dissolved air water releaser, the sewage is floated by the dissolved air water, floccules and micro-impurities in the water body are positioned at the upper layer of the air floatation tank, a skimming machine is started, scum is removed by the skimming machine, water after air supporting purifies enters into the clear water pond, and water in the clear water pond enters into the water storage tank through the air supporting sled delivery port, has improved the sewage treatment effect of equipment.

Preferably, the ceramic membrane filtering pry comprises a first filtering tank, a second filtering tank, a third filtering tank, a cleaning pump and a filtering pry local control box, wherein the first filtering tank, the second filtering tank, the third filtering tank, the cleaning pump and the filtering pry local control box are all arranged on the ceramic membrane filtering pry; the processing water in the water storage tank is carried to a filtration jar of ceramic membrane filtration sled through the centrifugal pump in, the processing water carries out the ultrafiltration through the ceramic membrane filter and purifies, finally the processing water that makes the production satisfies discharge standard and discharges, filter jar simultaneously, No. two filter jar and No. three filter jar for parallel relation, can switch according to the demand, when the filter needs wash, wash the filter through the washing liquid suction that the scavenging pump will wash in the jar, the convenience of equipment usage has been improved.

Preferably, the medicament adding pry comprises a PAC dosing tank, a PAM dosing tank, a dosing stirrer, a dosing metering pump and a NaOH dosing tank, and the PAC dosing tank, the PAM dosing tank, the dosing stirrer, the dosing metering pump and the NaOH dosing tank are all arranged on the medicament adding pry; add the medicine mixer through two and stir the medicine in PAC dosing tank and the PAM dosing tank respectively, control the interpolation of dose through adding the medicine measuring pump simultaneously, make flocculation reaction sled and high-efficient micro-nano air supporting sled in the medicament add the precision better, the NaOH dosing tank mixes the medicine through two medicine mixers and stirs, the NaOH dosing tank carries out the medicament through adding the medicine measuring pump to PH regulation reaction sled and adds, has improved stability and the controllability of plant use.

Preferably, the sludge dewatering skid comprises a sludge collecting tank, a sludge stirring machine, a PAM dosing tank, a laminated spiral filter press, a filter pressing liquid collecting tank, a dewatering skid dosing metering pump and a sludge screw pump, wherein a sludge inlet is formed in the sludge dewatering skid, the sludge stirring machine is installed on the sludge dewatering skid, the sludge stirring machine is located at the upper end of the sludge collecting tank, and the PAM dosing tank, the laminated spiral filter press, the filter pressing liquid collecting tank, the dewatering skid dosing metering pump and the high-efficiency micro-nano air floatation skid are all installed on the sludge dewatering skid; sludge and scum generated in the sewage treatment process are pumped into the sludge dewatering skids through a sludge discharge pump arranged on each skid body, the sludge enters a sludge collecting tank, the sludge is pumped into a sludge inlet tank of the spiral shell laminating press filter through a sludge screw pump, the sludge is pumped into a PAM coagulant aid prepared in a PAM dosing box through a dewatering skid dosing metering pump in the sludge inlet tank, the sludge is coagulated to aid, the PAM dosing amount is adjusted through observing the sludge flocculation condition, the sludge after dosing enters the spiral shell laminating press filter for press filtration, the generated mud cake is conveyed to a clearing vehicle through a conveying belt for clearing and transporting, the sewage generated by press filtration enters a press filtration collecting tank, the sludge is pumped to a PH regulation reaction skid through a centrifugal pump and is purified along with the sewage to be treated, and the sewage treatment effect of the equipment on the sewage is improved.

Compared with the prior art, the utility model has the beneficial effects that: sewage enters into and carries out the PH regulation in the PH regulation reaction sled, sewage after the regulation enters into and flocculates in the flocculation reaction sled, sewage after the flocculation carries out the precipitation of flocculation through one-level sediment sled and second grade sediment sled, the flocculation deposits the sewage input after the completion and carries out the air supporting and get rid of remaining flocculus and small impurity in the high-efficient micro-nano air supporting sled, sewage after the air supporting enters into and carries out ultrafiltration purification in the ceramic membrane filters the sled, reach the emission standard after the sewage ultrafiltration purification and discharge, simultaneously each is handled the sled and deposits the mud of production and input and carry out the dehydration filter-pressing in the mud dehydration sled, the mud cake of production discharges, equipment each is handled the required NaOH of sled, PAC and PAM medicament add the sled and are equipped with the provision through the medicament, the treatment effect of equipment to sewage is improved.

Drawings

FIG. 1 is a plant layout of the present invention;

FIG. 2 is a schematic diagram of a pH adjustment reaction lever according to the present invention;

FIG. 3 is a schematic diagram of a flocculation reaction sled of the present invention;

FIG. 4 is a schematic view of the primary and secondary precipitation pry structures of the present invention;

FIG. 5 is a schematic diagram of a high-efficiency micro-nano air floatation pry structure of the utility model;

FIG. 6 is a schematic view of a ceramic membrane filter sled configuration of the present invention;

fig. 7 is a schematic view of a medicament addition lever of the present invention;

FIG. 8 is a schematic view of a sludge dewatering skid of the present invention;

reference numerals: 1. PH adjustment reaction prying; 2. prying a flocculation reaction; 3. primary precipitation prying; 4. Secondary precipitation prying; 5. sludge dewatering prying; 6. a water storage tank; 7. efficient micro-nano air floatation prying; 8. A ceramic membrane is filtered and pried; 9. a medicament adding pry; 10. a PH reaction prying water inlet; 11. a first reaction tank; 12. a PH reaction prying stirrer; 13. a second reaction tank; 14. a third reaction tank; 15. A PH reaction prying water outlet; 16. prying a local control box by using a PH reaction; 17. a PH reaction prying sludge pump; 18. prying a sludge discharge pipeline by using a PH reaction; 19. a flocculation pry water inlet; 20. a first flocculation tank; 21. A flocculation pry stirrer; 22. a second flocculation tank; 23. a third flocculation tank; 24. a flocculation prying water outlet; 25. a flocculation pry local control box; 26. a flocculation pry sludge discharge pump; 27 flocculating and prying a sludge discharge pipeline; 28. a water inlet of the sedimentation pry; 29. a water inlet pool is pried by sedimentation; 30. a sedimentation tank; 31. filling the inclined tube; 32. precipitating and prying a water outlet; 33. depositing and prying a local control box; 34. a sediment pry sludge discharge pump; 35. precipitating and prying a sludge discharge pipeline; 36. an air floatation prying sludge pump; 37. air floatation prying a local control box; 38. a scum pool; 39. an air floatation prying water outlet; 40. a clean water tank; 41. a skimming machine; 42. An air floatation tank; 43. a second stirring tank; 44. a first stirring tank; 45. an air floatation prying stirrer; 46. Air floatation prying a water inlet tank; 47. air floatation prying a water inlet; 48. a dissolved air pump; 49. a dissolved air tank; 50. A dissolved gas water releaser; 51. an air floatation prying sludge discharge pipeline; 52. a first filtering tank; 53. a second filtering tank; 54. a third filtering tank; 55. cleaning the tank; 56. cleaning the pump; 57. the local control box is prized by filtering; 58. a PAC dosing box; 59. a PAM dosing tank; 60. adding a medicine into the stirrer; 61. dosing a metering pump; 62. a NaOH dosing tank; 63. a sludge inlet; 64. a sludge collection tank; 65. A sludge stirrer; 66. PAM dosing box; 67. a stack screw filter press; 68. filter-pressing the liquid collecting tank; 69. A dehydration pry dosing metering pump; 70. sludge screw pump.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

The utility model discloses complete equipment for advanced treatment of oilfield sewage, which comprises a PH regulation reaction pry 1, a flocculation reaction pry 2, a primary precipitation pry 3, a secondary precipitation pry 4, a water storage tank 6, a high-efficiency micro-nano air floatation pry 7, a ceramic membrane filtration pry 8, a medicament adding pry 9 and a sludge dewatering pry 5, wherein the PH regulation reaction pry 1 is communicated with the flocculation reaction pry 2, the flocculation reaction pry 2 is communicated with the primary precipitation pry 3, the primary precipitation pry 3 is communicated with the secondary precipitation pry 4, the secondary precipitation pry 4 is communicated with the high-efficiency micro-nano air floatation pry 7, the high-efficiency micro-nano air floatation pry 7 is communicated with the ceramic membrane filtration pry 8, the water storage tank 6 is communicated with the ceramic membrane filtration pry 8, and the PH regulation reaction pry 1 comprises a first reaction tank 11, a plurality of PH reaction pry mixers 12, a second reaction tank 13, a third reaction tank 14, a PH reaction pry local control box 16, A PH reaction pry sludge discharge pump 17 and three PH reaction pry sludge discharge pipelines 18, a PH reaction pry water inlet 10 is arranged on a PH regulation reaction pry 1, the PH regulation reaction pry 1 is provided with a first reaction tank 11, a second reaction tank 13 and a third reaction tank 14, a plurality of PH reaction pry mixers 12 are arranged on the PH regulation reaction pry 1, the plurality of PH reaction pry mixers 12 are respectively positioned in the first reaction tank 11, the second reaction tank 13 and the third reaction tank 14, the first reaction tank 11, the second reaction tank 13 and the third reaction tank 14 are separated by a partition plate, a water passing port is arranged on the partition plate, a PH reaction pry water outlet 15 is also arranged on the PH regulation reaction pry 1, the PH reaction pry water outlet 15 is communicated with a flocculation reaction pry 2, a PH reaction pry local control box 16 and the PH reaction pry sludge discharge pump 17 are arranged on the PH regulation reaction pry 1, the PH reaction sludge discharge pipelines 18 are arranged at the lower ends of the first reaction tank 11, the second reaction tank 13 and the third reaction tank 14, flocculation reaction sled 2 include flocculation basin 20 No. one, a plurality of flocculation sled mixers 21, No. two flocculation ponds 22, No. three flocculation ponds 23, flocculation sled local control box 25, flocculation sled sludge discharge pump 26 and three flocculation sled sludge discharge pipeline 27, be provided with flocculation sled water inlet 19 and flocculation sled outlet 24 on the flocculation reaction sled 2, flocculation sled water inlet 19 communicates with PH reaction sled outlet 15, flocculation reaction sled 2 divides flocculation pond 20 into through the baffle, No. two flocculation ponds 22 and No. three flocculation ponds 23, all be provided with the mouth of a river on the baffle, install a plurality of flocculation sled mixers 21 on the flocculation reaction sled 2, a plurality of flocculation sled mixers 21 are located flocculation pond 20 No. one, No. two flocculation ponds 22 and No. three flocculation ponds 23 respectively, flocculation sled local control box 25 and flocculation sled sludge discharge pump 26 are installed on flocculation reaction sled 2, flocculation pond 20 a, The lower ends of the second flocculation tank 22 and the third flocculation tank 23 are respectively provided with a flocculation pry sludge discharge pipeline 27, the lower end of the third flocculation tank 23 is also provided with an underwater camera, the structure of a first-stage sedimentation pry 3 is the same as that of a second-stage sedimentation pry 4, the first-stage sedimentation pry 3 comprises a sedimentation pry water inlet tank 29, a sedimentation tank 30, an inclined pipe filler 31, a sedimentation pry local control box 33, a sedimentation pry sludge discharge pump 34 and a plurality of sedimentation pry sludge discharge pipelines 35, the first-stage sedimentation pry 3 is provided with a sedimentation pry water inlet 28 and a sedimentation pry water outlet 32, the sedimentation pry water inlet 28 is communicated with the flocculation pry water outlet 24, the first-stage sedimentation pry 3 is divided into a sedimentation pry water inlet tank 29, a sedimentation tank 30 and an inclined pipe filler 31, the sedimentation pry local control box 33 and the sedimentation pry sludge discharge pump 34 are arranged on the first-stage sedimentation pry sludge discharge pump 3, the lower end of the first-stage sedimentation pry sludge discharge pipelines 35 are arranged at the lower end of the first-stage sedimentation pry 3, the lower part of the sedimentation water inlet tank 29 and the sedimentation tank 30 is provided with an overflow port, the efficient micro-nano air floatation pry 7 comprises an air floatation pry sludge discharge pump 36, an air floatation pry local control box 37, a scum pool 38, a clear water pool 40, a slag skimmer 41, an air floatation pool 42, a second stirring pool 43, a first stirring pool 44, an air floatation pry stirrer 45, an air floatation pry water inlet pool 46, a dissolved air pump 48, a dissolved air tank 49, a dissolved air water releaser 50 and an air floatation pry sludge discharge pipeline 51, the efficient micro-nano air floatation pry 7 is provided with an air floatation pry water outlet 39 and an air floatation pry water inlet 47, the efficient micro-nano air floatation pry 7 is divided into the scum pool 38, the clear water pool 40, the air floatation pool 42, the second stirring pool 43, the first stirring pool 44 and the air floatation pry water inlet pool 46, the slag skimmer 41 is installed on the efficient micro-nano air floatation pry 7, the slag skimmer 41 is positioned at the upper end of the air floatation pool 42, the dissolved air pump 48, the air tank 49 and the air floatation pry local control box 37 are installed on the efficient micro-nano air floatation pry 7, the two micro-nano air floatation stirrers 45 are installed on the efficient micro-pry 7, two air supporting sled mixers 45 are respectively positioned in a mixing tank 44 and a second mixing tank 43, the ceramic membrane filtering sled 8 comprises a filtering tank 52, a second filtering tank 53, a third filtering tank 54, a cleaning tank 55, a cleaning pump 56 and a filtering sled local control box 57, the first filtering tank 52, the second filtering tank 53, the third filtering tank 54, the cleaning tank 55, the cleaning pump 56 and the filtering sled local control box 57 are all arranged on the ceramic membrane filtering sled 8, the medicament adding sled 9 comprises a PAC dosing box 58, a PAM dosing box 59, a dosing mixer 60, a dosing metering pump 61 and a NaOH dosing box 62, the PAC dosing box 58, the PAM dosing box 59, the dosing mixer 60, the dosing metering pump 61 and the NaOH dosing box 62 are all arranged on the medicament adding sled 9, the sludge dewatering sled 5 comprises a sludge collecting tank 64, a sludge mixer 65, a PAM dosing box 66, a stacked spiral filter press 67, a plurality of spiral filters, a plurality of spiral flow channels of air flow channels are arranged in the ceramic membrane filtering tank 52, the ceramic membrane filtering tank 53, the three filtering tanks are all arranged on the ceramic membrane filtering sled 8, the ceramic membrane filtering sled 8 is arranged on the medicament adding sled 9, and the ceramic membrane filtering sled is arranged on the medicament adding tank 58, and the sludge collecting tank is arranged on the sludge collecting tank 65, the sludge collecting tank 6, the sludge collecting tank is arranged on the sludge collecting tank 6, the sludge collecting tank is arranged on the sludge collecting tank 6, the sludge collecting tank is arranged on the sludge collecting tank 9, the sludge collecting tank is arranged on the sludge collecting tank, the sludge collecting tank is arranged on the sludge collecting tank, and arranged on the filter tank, and arranged on the, The sludge dewatering and dewatering device comprises a filter-pressing liquid collecting tank 68, a dewatering sled dosing metering pump 69 and a sludge screw pump 70, wherein a sludge inlet 63 is formed in a sludge dewatering sled 5, a sludge stirrer 65 is installed on the sludge dewatering sled 5, the sludge stirrer 65 is positioned at the upper end of a sludge collecting tank 64, and a PAM dosing tank 66, a stacked spiral filter press 67, the filter-pressing liquid collecting tank 68, the dewatering sled dosing metering pump 69 and a high-efficiency micro-nano air floatation sled 7 are all installed on the sludge dewatering sled 5; sewage enters the PH regulation reaction pry 1 through the PH reaction pry water inlet 10, the PH regulation reaction pry 1 is controlled through the PH reaction pry local control box 16, NaOH is added into the first reaction tank 11 to regulate PH, the PH reaction pry stirrer 12 is started to stir the sewage and the reagent in the reagent adding process, so that the reaction is more sufficient, the sewage flows into the second reaction tank 13 and the third reaction tank 14 through the water passing hole of the partition plate once, when the PH value of the sewage in the PH regulation reaction pry 1 reaches the standard, the sewage is input into the flocculation reaction pry 2 through the PH reaction pry water outlet 15, simultaneously, under the action of the PH reaction pry sludge discharge pump 17, sludge in the first reaction tank 11, the second reaction tank 13 and the third reaction tank 14 is respectively discharged through the PH reaction pry sludge discharge pipeline 18, the sewage discharged from the PH reaction pry water outlet 15 enters the flocculation reaction pry 2 through the flocculation reaction pry water inlet 19, the flocculation reaction pry 2 is controlled by a flocculation pry local control box 25, a PAC flocculating agent is added in a first flocculation tank 20, a PAM coagulant aid is added in a second flocculation tank 22, sewage is flocculated under the action of the PAC flocculating agent and the PAM coagulant aid, meanwhile, the flocculation condition is observed by an underwater camera, after flocculation is finished, the sewage enters a first-stage sedimentation pry 3 through a flocculation pry water outlet 24 in an overflow mode, the first-stage sedimentation pry 3 is controlled by a sedimentation pry local control box 33, the sewage discharged from the flocculation pry water outlet 24 enters a sedimentation pry water inlet tank 29 through a sedimentation pry water inlet 28, the sewage in the sedimentation pry water inlet tank 29 enters a sedimentation tank 30 through an overflow port, floc in the water is rapidly precipitated under the auxiliary action of an inclined tube filler 31, and the precipitated sewage enters a second-stage sedimentation pry 4 through a sedimentation pry water outlet 32 for secondary sedimentation, sewage discharged by the second-stage sedimentation pry 4 enters an air floatation pry water inlet tank 46 through an air floatation pry water inlet 47, PAC coagulant aid is added into the air floatation pry water inlet tank 46, the sewage enters a first stirring tank 44 through an overflow port at the lower part of a partition plate, two air floatation pry stirring machines 45 are started, the two air floatation pry stirring machines 45 respectively stir the sewage in the first stirring tank 44 and a second stirring tank 43, the sewage in the first stirring tank 44 enters the second stirring tank 43 through the overflow port below the partition plate, PAM coagulant aid is added into the second stirring tank 43, the sewage enters the air floatation tank 42 through an overflow pipe, a dissolved air pump 48 and a dissolved air tank 49 are started, micro-nano dissolved air water dissolved by the dissolved air pump 48 and the dissolved air tank 49 is released into the air tank 42 through a dissolved air water releaser 50, the sewage is air-floated by the dissolved air water, floc and micro impurities in the water body are positioned at the upper layer of the air floatation tank 42, the skimming machine 41 is started, the skimming machine 41 removes scum, water after air floatation purification enters the clean water tank 40, water in the clean water tank 40 enters the water storage tank 6 through the air floatation prying water outlet 39, treated water in the water storage tank 6 is conveyed into the first filtering tank 52 of the ceramic membrane filtering pry 8 through a centrifugal pump, the treated water is subjected to ultrafiltration purification through a ceramic membrane filter, finally the produced treated water meets the discharge standard and is discharged, meanwhile, the first filtering tank 52, the second filtering tank 53 and the third filtering tank 54 are connected in parallel and can be switched according to requirements, when the filter needs to be cleaned, cleaning liquid in the cleaning tank 55 is sucked out through the cleaning pump 56 to clean the filter, meanwhile, medicines in the PAC dosing tank 58 and the PAM dosing tank 59 are respectively stirred through the two dosing stirrers 60, and the addition of the dosage is controlled through the dosing pump 61, the adding precision of the agents in the flocculation reaction sled 2 and the efficient micro-nano air flotation sled 7 is better, meanwhile, a NaOH adding box 62 is used for mixing and stirring the agents through two agent adding stirrers 60, the NaOH adding box 62 is used for adding the agents to a PH regulation reaction sled 1 through an agent adding metering pump 61, simultaneously, sludge and scum generated in the sewage treatment process are pumped into a sludge dewatering sled 5 through a sludge discharge pump arranged on each sled body, the sludge enters a sludge collecting tank 64 and is pumped into a sludge inlet tank of a spiral shell filter press 67 through a sludge screw pump 70, PAM coagulant aids prepared in a PAM agent distribution box 66 are pumped into the sludge inlet tank through a dewatering sled agent adding metering pump 69, the sludge is coagulated to be assisted, the adding amount of the PAM is adjusted through observing the flocculation condition of the sludge, the sludge after being added enters the spiral shell filter press 67 for filter pressing, the generated mud cakes are conveyed to a clearing and transporting vehicle through a conveying belt, the sewage generated by filter pressing enters a liquid collecting tank 68, and pumping the sewage to a pH regulation reaction pry through a centrifugal pump to purify the sewage again along with the sewage to be treated.

As shown in figures 1 to 8, in the oil field sewage advanced treatment complete equipment, when in work, firstly sewage enters a PH regulation reaction sled 1 through a PH reaction sled water inlet 10, the PH regulation reaction sled 1 is controlled through a PH reaction sled local control box 16, NaOH is added into a first reaction tank 11 for PH regulation, a PH reaction sled stirrer 12 is started in the chemical adding process to stir the sewage and chemicals, so that the reaction is more sufficient, the sewage flows into a second reaction tank 13 and a third reaction tank 14 through a water outlet of a partition plate for one time, when the PH of the sewage in the PH regulation reaction sled 1 reaches a standard, the sewage is input into a flocculation reaction sled 2 through a PH reaction sled water outlet 15, and simultaneously, under the action of a PH reaction sled mud discharging pump 17, the mud in the first reaction tank 11, the second reaction tank 13 and the third reaction tank 14 is discharged through a PH reaction sled mud discharging pipeline 18 respectively, the sewage discharged from the PH reaction pry water outlet 15 enters the flocculation reaction pry 2 through the flocculation pry water inlet 19, the flocculation reaction pry 2 is controlled through the flocculation pry local control box 25, a PAC flocculating agent is added into the first flocculation tank 20, a PAM coagulant aid is added into the second flocculation tank 22, the sewage is flocculated under the action of the PAC flocculating agent and the PAM coagulant aid, the flocculation condition is observed through an underwater camera, the sewage enters the primary sedimentation pry 3 through the flocculation pry water outlet 24 in an overflow mode after flocculation is finished, the primary sedimentation pry 3 is controlled through the sedimentation pry local control box 33, the sewage discharged from the flocculation pry water outlet 24 enters the sedimentation pry water inlet 29 through the sedimentation pry water inlet 28, the sewage in the sedimentation pry water inlet 29 enters the sedimentation tank 30 through an overflow port, and flocs in the water are rapidly precipitated through the auxiliary action of the inclined tube filler 31, the settled sewage enters a second-stage sedimentation pry 4 through a sedimentation pry water outlet 32 for secondary sedimentation, the sewage discharged by the second-stage sedimentation pry 4 enters an air flotation pry water inlet 46 through an air flotation pry water inlet 47, PAC coagulant aid is added into the air flotation pry water inlet 46, the sewage enters a first stirring tank 44 through an overflow port at the lower part of a partition plate, two air flotation pry stirring machines 45 are started, the two air flotation pry stirring machines 45 respectively stir the sewage in the first stirring tank 44 and a second stirring tank 43, the sewage in the first stirring tank 44 enters the second stirring tank 43 through an overflow port below the partition plate, PAM coagulant aid is added into the second stirring tank 43, the sewage enters an air flotation tank 42 through an overflow pipe, a dissolved air pump 48 and a dissolved air tank 49 are started, the micro-nano dissolved air water after the dissolved air pump 48 and the dissolved air tank 49 are released into the air flotation tank 42 through a dissolved air water releaser 50, sewage is floated by dissolved air water, floccules and micro impurities in a water body are positioned on the upper layer of an air floating tank 42, a skimming machine 41 is started, scum is removed by the skimming machine 41, water purified by air floating enters a clean water tank 40, water in the clean water tank 40 enters a water storage tank 6 through an air floating prying water outlet 39, treated water in the water storage tank 6 is conveyed to a first filtering tank 52 of a ceramic membrane filtering pry 8 through a centrifugal pump, the treated water is subjected to ultrafiltration purification through a ceramic membrane filter, finally the produced treated water meets the discharge standard and is discharged, meanwhile, the first filtering tank 52, a second filtering tank 53 and a third filtering tank 54 are connected in parallel and can be switched according to requirements, when the filter needs to be cleaned, cleaning liquid in a cleaning tank 55 is sucked out through a cleaning pump 56 to clean the filter, and medicines in a PAC dosing tank 58 and a PAM dosing tank 59 are respectively stirred through two dosing stirrers 60, simultaneously, the adding of the chemical amount is controlled by a chemical adding metering pump 61, so that the adding precision of the chemical agents in a flocculation reaction pry 2 and a high-efficiency micro-nano air floatation pry 7 is better, simultaneously, a NaOH chemical adding box 62 is mixed and stirred by two chemical adding stirrers 60, the NaOH chemical adding box 62 is used for adding the chemical agents to a PH adjusting reaction pry 1 by the chemical adding metering pump 61, simultaneously, sludge and scum generated in the sewage treatment process are pumped into a sludge dewatering pry 5 by a sludge discharge pump arranged on each pry body, the sludge enters a sludge collection tank 64 and is pumped into a sludge inlet tank of a screw stack filter press 67 by a sludge screw pump 70, a PAM coagulant aid prepared in a chemical adding box 66 is pumped into the sludge inlet tank by a dewatering pry metering pump 69, the sludge is coagulated, the PAM chemical adding amount is adjusted by observing the flocculation condition of the sludge, the chemical added sludge enters the screw stack filter press 67 for filter pressing, and the generated sludge cakes are conveyed to a clearing vehicle by a conveying belt, sewage generated by filter pressing enters a filter pressing liquid collecting tank 68 and is pumped to a PH adjusting reaction pry through a centrifugal pump to be purified again along with the sewage to be treated.

According to the complete equipment for the advanced treatment of the oilfield sewage, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the complete equipment can be implemented as long as the beneficial effects of the complete equipment can be achieved.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The complete equipment for the advanced treatment of the oilfield sewage is characterized by comprising a PH regulation reaction pry (1), a flocculation reaction pry (2), a first-stage precipitation pry (3), a second-stage precipitation pry (4), a water storage tank (6), a high-efficiency micro-nano air flotation pry (7), a ceramic membrane filtration pry (8), a medicament addition pry (9) and a sludge dewatering pry (5), wherein the PH regulation reaction pry (1) is communicated with the flocculation reaction pry (2), the flocculation reaction pry (2) is communicated with the first-stage precipitation pry (3), the first-stage precipitation pry (3) is communicated with the second-stage precipitation pry (4), the second-stage precipitation pry (4) is communicated with the high-efficiency micro-nano air flotation pry (7), the high-efficiency micro-nano air flotation pry (7) is communicated with the ceramic membrane filtration pry (8), and the water storage tank (6) is communicated with the filtration pry (8);

the PH regulation reaction pry (1) regulates the PH of the input sewage;

the flocculation reaction pry (2) flocculates the sewage with the adjusted PH value;

the first-stage sedimentation pry (3) and the second-stage sedimentation pry (4) are used for settling flocculates in the flocculated sewage;

the sludge dewatering pry (5) dewaters sludge generated by each treatment pry;

the efficient micro-nano air floatation pry (7) is used for removing floccules and micro impurities in the precipitated sewage water body in an air floatation mode;

the ceramic membrane filtration pry (8) is used for carrying out ultrafiltration purification on the sewage subjected to air floatation by the efficient micro-nano air floatation pry (7);

the medicament adding pry (9) is used for preparing and adding the required medicament in the equipment.

2. The oilfield wastewater deep treatment complete equipment according to claim 1, wherein the PH regulation reaction sled (1) comprises a first reaction tank (11), a plurality of PH reaction sled mixers (12), a second reaction tank (13), a third reaction tank (14), a PH reaction sled local control box (16), a PH reaction sled mud pump (17) and three PH reaction sled mud discharge pipelines (18), the PH regulation reaction sled (1) is provided with a PH reaction sled water inlet (10), the PH regulation reaction sled (1) is provided with the first reaction tank (11), the second reaction tank (13) and the third reaction tank (14), the plurality of PH reaction sled mixers (12) are arranged on the PH regulation reaction sled (1), the plurality of PH reaction sled mixers (12) are respectively positioned in the first reaction tank (11), the second reaction tank (13) and the third reaction tank (14), a reaction tank (11), No. two reaction tanks (13) and No. three reaction tanks (14) separate through the baffle, be provided with the mouth of a river on the baffle, still be provided with PH reaction sled outlet (15) on PH regulation reaction sled (1), PH reaction sled outlet (15) and flocculation reaction sled (2) communicate, PH reaction sled local control box (16) and PH reaction sled mud discharging pump (17) are installed on PH regulation reaction sled (1), PH reaction sled mud discharging pipeline (18) are all installed to the lower extreme of a reaction tank (11), No. two reaction tanks (13) and No. three reaction tanks (14).

3. The oil field sewage deep treatment complete equipment as set forth in claim 1, characterized in that the flocculation reaction sled (2) comprises a flocculation tank (20), a plurality of flocculation sled mixers (21), a second flocculation tank (22), a third flocculation tank (23), a flocculation sled local control box (25), a flocculation sled mud pump (26) and a three flocculation sled mud discharge pipeline (27), the flocculation reaction sled (2) is provided with a flocculation sled water inlet (19) and a flocculation sled water outlet (24), the flocculation sled water inlet (19) is communicated with the PH reaction sled water outlet (15), the flocculation reaction sled (2) is divided into the first flocculation tank (20), the second flocculation tank (22) and the third flocculation tank (23) through a partition plate, the partition plate is provided with the water outlet, the flocculation reaction sled (2) is provided with the plurality of flocculation sled mixers (21), and the plurality of flocculation sled mixers (21) are respectively located in the first flocculation tank (20), In No. two flocculation basin (22) and No. three flocculation basin (23), install on flocculation reaction sled (2) flocculation sled local control box (25) and flocculation sled sludge discharge pump (26), flocculation sled sludge discharge pipeline (27) are all installed to the lower extreme of No. one flocculation basin (20), No. two flocculation basin (22) and No. three flocculation basin (23), and the camera under water is still installed to No. three flocculation basin (23) lower extreme.

4. The oilfield sewage deep treatment complete equipment as defined in claim 1, wherein the primary sedimentation pry (3) and the secondary sedimentation pry (4) have the same structure, the primary sedimentation pry (3) comprises a sedimentation pry water inlet pool (29), a sedimentation pool (30), an inclined tube filler (31), a sedimentation pry local control box (33), a sedimentation pry sludge discharge pump (34) and a plurality of sedimentation pry sludge discharge pipelines (35), the primary sedimentation pry (3) is provided with a sedimentation pry water inlet (28) and a sedimentation pry water outlet (32), the sedimentation water inlet pry (28) is communicated with the flocculation pry water outlet (24), the primary sedimentation pry (3) is divided into a sedimentation pry water inlet pool (29), a sedimentation pool (30) and an inclined tube filler (31), the sedimentation pry local control box (33) and the sedimentation pry sludge discharge pump (34) are installed on the primary sedimentation pry (3), the plurality of sedimentation pry sludge discharge pipelines (35) are installed at the lower end of the primary sedimentation pry (3), an overflow port is arranged at the lower part of the clapboard between the sedimentation prying water inlet tank (29) and the sedimentation tank (30).

5. The oilfield wastewater deep treatment complete equipment according to claim 1, wherein the high-efficiency micro-nano air floatation pry (7) comprises an air floatation pry sludge discharge pump (36), an air floatation pry local control box (37), a scum pool (38), a clear water pool (40), a residue skimming machine (41), an air floatation pool (42), a second stirring pool (43), a first stirring pool (44), an air floatation pry stirrer (45), an air floatation pry water inlet pool (46), a dissolved air pump (48), a dissolved air tank (49), a dissolved air water releaser (50) and an air floatation pry sludge discharge pipeline (51), the high-efficiency micro-nano air floatation pry (7) is provided with an air floatation pry water outlet (39) and an air floatation pry water inlet (47), and the high-efficiency micro-nano pry (7) is divided into the scum pool (38), the clear water pool (40), the air floatation pool (42), the second stirring pool (43), the first stirring pool (44) and the air floatation pry water inlet pool (46), the skimming machine (41) is installed on the efficient micro-nano air floatation pry (7), the skimming machine (41) is located at the upper end of an air floatation tank (42), the dissolved air pump (48), the dissolved air tank (49) and the air floatation pry local control box (37) are installed on the efficient micro-nano air floatation pry (7), the two air floatation pry stirring machines (45) are installed on the efficient micro-nano air floatation pry (7), and the two air floatation pry stirring machines (45) are respectively located in a stirring tank (44) and a stirring tank (43).

6. The oilfield wastewater deep treatment complete equipment according to claim 1, wherein the ceramic membrane filtering pry (8) comprises a first filtering tank (52), a second filtering tank (53), a third filtering tank (54), a cleaning tank (55), a cleaning pump (56) and a filtering pry local control box (57), and the first filtering tank (52), the second filtering tank (53), the third filtering tank (54), the cleaning tank (55), the cleaning pump (56) and the filtering pry local control box (57) are all installed on the ceramic membrane filtering pry (8).

7. The oilfield wastewater deep treatment plant according to claim 1, wherein the chemical adding pry (9) comprises a PAC dosing box (58), a PAM dosing box (59), a dosing stirrer (60), a dosing metering pump (61) and a NaOH dosing box (62), and the PAC dosing box (58), the PAM dosing box (59), the dosing stirrer (60), the dosing metering pump (61) and the NaOH dosing box (62) are all mounted on the chemical adding pry (9).

8. The oilfield sewage deep treatment complete equipment as defined in claim 1, wherein the sludge dewatering skid (5) comprises a sludge collection tank (64), a sludge stirrer (65), a PAM dosing tank (66), a stacked screw filter press (67), a filter press liquid collection tank (68), a dewatering skid dosing metering pump (69) and a sludge screw pump (70), the sludge dewatering skid (5) is provided with a sludge inlet (63), the sludge stirrer (65) is installed on the sludge dewatering skid (5), the sludge stirrer (65) is located at the upper end of the sludge collection tank (64), and the PAM dosing tank (66), the stacked screw filter press (67), the filter press liquid collection tank (68), the dewatering skid dosing metering pump (69) and the efficient micro-nano air flotation skid (7) are all installed on the sludge dewatering skid (5).

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