CN214400082U - Shale gas produced water fracturing retrieval and utilization treatment facility - Google Patents
Shale gas produced water fracturing retrieval and utilization treatment facility Download PDFInfo
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- CN214400082U CN214400082U CN202120345542.8U CN202120345542U CN214400082U CN 214400082 U CN214400082 U CN 214400082U CN 202120345542 U CN202120345542 U CN 202120345542U CN 214400082 U CN214400082 U CN 214400082U
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Abstract
The utility model relates to the technical field of water treatment equipment, and discloses shale gas produced water fracturing recycling treatment equipment, which comprises a sewage pool, a buffer tank, a shale gas produced water fracturing recycling treatment device and a recycling water temporary storage pool which are connected in sequence, wherein the sewage pool is connected with the buffer tank through a water inlet pump, the buffer tank is connected with the shale gas produced water fracturing recycling treatment device through a water outlet pump, the shale gas produced water fracturing recycling treatment equipment further comprises a central processing unit, the recycling water temporary storage pool is respectively connected with a clean water pool and the central processing unit through an intermediate valve, the central processing unit is connected with the clean water pool, the utility model carries out water quality detection on water in the recycling water temporary storage pool by arranging a water quality detection device, carries out adjustment of treatment schemes according to different water qualities according to actual conditions, has simple and flexible treatment process, simultaneously ensures better treatment effect and higher treatment efficiency, and has small secondary pollution, the purification treatment effect is good, and the cost is low.
Description
Technical Field
The utility model relates to a water treatment facilities technical field, in particular to shale gas production water fracturing retrieval and utilization treatment facility.
Background
In the process of exploiting the shale gas, a hydraulic fracturing technology is used for injecting a fracturing fluid into a well at high pressure so as to fracture an underground rock stratum, the shale gas in the underground rock stratum is released, water injected into the underground rock stratum can be flowback at different stages of gas production of the shale gas, namely fracturing flowback fluid and produced water, which are collectively called as produced water.
The shale gas field gas production water has the characteristics of large viscosity, high stability, more suspended matters, high mineralization degree, complex components and the like, if the shale gas field gas production water is not properly treated, immeasurable loss is caused by long-term development of shale gas development, and in order to reduce pollution discharge and reduce the pressure of water for underground operation, the shale gas production water can be treated and recycled, so that the environmental pollution is reduced, the water resource is saved, and the zero emission of the gas production water is realized.
Because the water quality of different construction sites is different, when the mineralization degree and the content of calcium and magnesium ions of the produced water meet the requirement of the reuse of the produced water, only SRB bacteria, FB bacteria, TGB bacteria and suspended solids in the produced water need to be removed in an important way, but when indexes of Ca2+ and Mg2+ and the mineralization degree in the produced water exceed the requirement of the reuse of the produced water, ions in the water need to be removed, and the existing shale gas produced water treatment equipment cannot be adjusted according to different water quality and site condition conditions, so that the problems of poor water quality treatment effect or low treatment efficiency and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shale gas production water fracturing retrieval and utilization treatment facility, the problem of current shale gas production water treatment facility can not carry out technology automatic adjustment according to different quality of water and site conditions condition has been solved, water quality testing is carried out to the water that the pond was kept in to the reuse water through setting up water quality testing device, and carry out the adjustment of treatment scheme to different quality of water according to actual testing result, the processing procedure is simple, in a flexible way, better treatment effect and higher treatment effeciency have been guaranteed simultaneously, secondary pollution is little, the purification treatment effect is good, and is low in cost.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a shale gas produced water fracturing retrieval and utilization treatment facility, keeps in the pond including effluent water sump, buffer tank, shale gas produced water fracturing retrieval and utilization processing apparatus and reuse water that connect gradually, the effluent water sump is connected with the buffer tank through the intake pump, the buffer tank is connected with shale gas produced water fracturing retrieval and utilization processing apparatus through going out the water pump, still includes central processing unit, the reuse water keeps in the pond and is connected with clean water basin and central processing unit respectively through the intermediate valve, central processing unit is connected with the clean water basin.
By adopting the technical scheme, the produced water raw water enters the sewage tank under the action of the water inlet pump, the sewage tank carries out primary sedimentation on the produced raw water to separate partial silt and impurities in the water from the water, the supernatant in the sewage tank enters the shale gas produced water fracturing recycling treatment device under the action of the water outlet pump for further treatment, the treated water is controlled by the intermediate valve to be discharged into the central processing unit or the clean water tank, if the treated water meets the recycling or discharging requirement, the treated water directly enters the clean water tank, if the treated water does not meet the recycling or discharging requirement, the treated water enters the central processing unit for further treatment and then is discharged into the clean water tank, the water in the clean water tank is directly discharged or recycled, the scheme can be adjusted according to different water qualities and field conditions, and ensures that the water quality treatment meets the recycling or discharging requirement, meanwhile, the treatment process is flexible, and higher treatment efficiency can be ensured while better treatment effect is ensured.
The utility model discloses a further set up to: the shale gas produced water fracturing retrieval and utilization processing apparatus is including the pH equalizing basin, sedimentation tank and the pond of disinfecting that connects gradually, the pH equalizing basin is connected with acid/alkali dosing tank, the sedimentation tank is connected with flocculating agent/auxiliary agent dosing tank, the pond of disinfecting is connected with germicide dosing tank.
Through adopting above-mentioned technical scheme, the water that gets into among the shale gas produced water fracturing retrieval and utilization processing apparatus gets into pH equalizing basin, sedimentation tank and the pond of disinfecting in proper order and handles, through adding certain proportion's pH regulator, flocculating agent/auxiliary agent and germicide in pH equalizing basin, sedimentation tank and the pond of disinfecting respectively and realize the pH regulation of water, the getting rid of organic matter, suspended solid etc. and getting rid of the aquatic bacterium, make quality of water satisfy the emission requirement gradually, this operation process is simple, the treatment effeciency is high.
The utility model discloses a further set up to: and the acid/alkali dosing tank, the flocculating agent/auxiliary agent dosing tank and the bactericide dosing tank are respectively connected with the pH adjusting tank, the sedimentation tank and the sterilization tank through a pipeline mixer.
By adopting the technical scheme, when the pipeline mixer is used for adding the pH regulator, the flocculating agent/auxiliary agent or the bactericide, the pH regulator, the flocculating agent/auxiliary agent or the bactericide are effectively mixed, and the pipeline mixer enables the medicament fluid to generate a turbulent flow phenomenon in the flowing process due to the internal structure of the pipeline mixer, so that the mixing efficiency is improved, and the water purification effect is good.
The utility model discloses a further set up to: the water quality detection device is characterized by further comprising a water quality detection device, the middle valve is a three-way electromagnetic valve, a water inlet of the three-way electromagnetic valve is connected with the temporary storage pool for reuse water, a water outlet of the three-way electromagnetic valve is respectively connected with the clean water pool and the central processing unit, and the central processing unit is connected with the clean water pool through a pipeline.
Through adopting above-mentioned technical scheme, through the quality of water quality testing device real-time detection solenoid valve water inlet department, to the discharge flow direction of the real-time adjustment water of different quality of water, to the better condition of quality of water, only need directly discharge into the clean water basin can, to the relatively poor condition of quality of water, then discharge into central processing unit and carry out further processing, discharge into the clean water basin after up to standard again, the equipment commonality is good, and is with low costs, and the treatment effeciency is high.
The utility model discloses a further set up to: the water quality detection device is arranged on a pipeline which is connected with a water inlet of the three-way electromagnetic valve and the temporary storage pool for the reuse water.
Through adopting above-mentioned technical scheme, the pond is kept in to reuse water is used for keeping in the water after preliminary treatment, can carry out the sediment once more to the water after handling, make the suspended solid and the impurity of aquatic further precipitate, make the water that gets into in clean water basin or central processing unit relatively purer, the condition that the suspended solid directly got into in the clean water basin or central processing unit and caused scale deposit or jam is greatly reduced, be favorable to reducing the frequency that the later stage clearance was maintained, and therefore the cost is reduced, and simultaneously, water quality testing device still possesses the function of play water quality real-time supervision, make whole equipment reliability and stability better.
The utility model discloses a further set up to: the central processor comprises a multi-media filter and an ion exchanger which are connected in sequence.
By adopting the technical scheme, the multi-medium filter takes layered anthracite, quartz sand, finely-crushed garnet or other materials as a bed layer, water with higher turbidity passes through granular or non-granular materials with certain thickness under certain pressure, thereby effectively removing suspended impurities to clarify the water, when filtering, larger particles in the water are removed at the top layer, smaller particles are removed at deeper parts of the filter medium, the filtered water enters an ion exchanger for ion exchange removal, a large amount of heavy metal ions and inorganic salt ions in the water are removed, finally the discharged water meets the recycling and discharging standards, a multi-stage physical purification layer is formed by a multi-stage filter layer in the multi-medium filter and ion exchange resin in the ion exchanger, the further treatment of recycled water is realized, no additional chemical agent is needed to be added, secondary pollution is avoided, the purification treatment effect is good, the cost is low.
The utility model discloses a further set up to: the water quality detection device comprises a water quality sensor, the water quality sensor is connected with a control module, and the control module is connected with a three-way electromagnetic valve.
By adopting the technical scheme, when water flows through the water quality detection device, the water quality sensor is contacted with the water quality sensor, the water quality sensor detects the water quality, detected data information is transmitted to the control module, the control module controls the switch of the water outlet of the three-way electromagnetic valve according to the data information detected by the water quality, when the water quality meets the discharge or recycling standard, the water outlet connected with the clean water tank is opened, the water outlet connected with the central processing unit is closed, the water flow directly enters the clean water tank, when the water quality does not meet the discharge or recycling standard, the water outlet connected with the central processing unit is opened, the water outlet connected with the clean water tank is closed, the water flow enters the central processing unit for processing and then flows into the clean water tank from the central processing unit, the flow direction of the water is automatically adjusted by detecting the water flow in real time, the water flow is correspondingly processed, the water quality is suitable for various conditions, and the universality is good, the treatment process is flexible, and higher treatment efficiency can be ensured while better treatment effect is ensured.
The utility model has the advantages that:
1. the utility model is suitable for a quality of water of various conditions, the commonality is good, and the processing procedure is nimble: the method comprises the steps of primarily precipitating the extracted raw water through a sewage tank, separating partial silt and impurities in the water from the water, further treating the precipitated water in a shale gas extracted water fracturing recycling treatment device, controlling the treated water to be discharged into a central processing unit or a clean water tank through an intermediate valve, directly entering the clean water tank after treatment according to recycling or discharging requirements, discharging the treated water into the clean water tank after further treatment if the treated water does not accord with the recycling or discharging requirements, directly discharging the treated water into the central processing unit and then discharging the treated water into the clean water tank, directly discharging or recycling the treated water in the clean water tank, realizing the function of adjusting different water qualities and field conditions, realizing flexible treatment process, ensuring better treatment effect and simultaneously ensuring higher treatment efficiency.
2. The utility model discloses a pond is kept in to reuse water keeps in the water after preliminary treatment, can carry out the sediment again to the water after handling, makes the suspended solid and the impurity of aquatic further precipitate, makes the water that gets into among clean water basin or the central processing unit relatively purer, and the condition that causes scale deposit or jam in the direct clear water basin or the central processing unit that gets into of suspended solid in the water of reducing greatly is favorable to reducing the frequency that later stage clearance was maintained, reduce cost.
3. The utility model provides a central processing unit is when filtering, get rid of the great granule of aquatic through the top layer, get rid of less granule through the deeper layer department of filter medium, the water after the filtration gets into and carries out ion exchange among the ion exchanger and get rid of, get rid of a large amount of heavy metal ions and inorganic salt ion in the aquatic, make last exhaust water accord with retrieval and utilization and emission standard, the ion exchange resin through among the multistage filtering layer among the many media filter and the ion exchanger forms multistage physics and purifies the layer, realize the further processing of reuse water, need not to add extra chemical agent, secondary pollution is little, the purification treatment is effectual, and is with low costs.
4. The utility model discloses in not only be used for the quality of water condition in the pond is kept in to real-time supervision reuse water through setting up water quality testing device to whether direct retrieval and utilization or secondary purification are controlled and adjusted according to actual conditions, water quality testing device not only has quality of water real-time supervision's function still has water treatment process automatically regulated's function, and accommodation process is simple, and degree of automation is high, and water treatment is effectual.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic block diagram of the shale gas produced water fracturing and recycling treatment equipment of the utility model.
In the figure, 1, a sewage tank; 2. a buffer tank; 3. a shale gas produced water fracturing recycling treatment device; 31. a pH adjusting tank; 32. a sedimentation tank; 33. a sterilizing pond; 34. an acid/base dosing tank; 35. a flocculant/adjuvant dosing tank; 36. a bactericide dosing tank; 4. temporarily storing the reuse water in a pool; 5. a water inlet pump; 6. discharging the water pump; 7. a central processing unit; 71. a multi-media filter; 72. an ion exchanger; 8. a clean water tank; 9. a water quality detection device; 91. a water quality sensor; 92. a control module; 10. three-way electromagnetic valve.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, a shale gas produced water fracturing recycling treatment device comprises a sewage pool 1, a buffer tank 2, a shale gas produced water fracturing recycling treatment device 3 and a recycling water temporary storage pool 4 which are connected in sequence, wherein the sewage pool 1 is connected with the buffer tank 2 through a water inlet pump 5, the buffer tank 2 is connected with the shale gas produced water fracturing recycling treatment device 3 through a water outlet pump 6, the shale gas produced water fracturing recycling treatment device further comprises a central processing unit 7, the recycling water temporary storage pool 4 is respectively connected with a clear water pool 8 and the central processing unit 7 through intermediate valves, the central processing unit 7 is connected with the clear water pool 8, produced water raw water enters the sewage pool 1 under the action of the water inlet pump 5, the sewage pool 1 performs preliminary sedimentation on the produced raw water, so that partial silt and impurities in the raw water are separated from water, and supernatant in the sewage pool 1 enters the shale gas produced water fracturing recycling treatment device 3 under the action of the water outlet pump 6 for further treatment, the treated water is discharged into the central processor 7 or the clean water tank 8 under the control of an intermediate valve: if the treated water meets the recycling or discharging requirement, the treated water directly enters the clean water tank 8, if the treated water does not meet the recycling or discharging requirement, the treated water enters the central processing unit 7 for further treatment and then is discharged into the clean water tank 8, and the water in the clean water tank 8 can be directly discharged or recycled.
Further, the shale gas produced water fracturing, recycling and treating device 3 comprises a pH adjusting tank 31, a sedimentation tank 32 and a sterilizing tank 33 which are connected in sequence, the pH adjusting tank 31 is connected with an acid/alkali dosing tank 34, the sedimentation tank 32 is connected with a flocculating agent/auxiliary agent dosing tank 35, the sterilizing tank 33 is connected with a bactericide dosing tank 36, water entering the shale gas produced water fracturing and recycling treatment device 3 sequentially enters the pH adjusting tank 31, the sedimentation tank 32 and the sterilizing tank 33 for treatment, the pH adjustment of water is realized by adding a certain proportion of pH regulator, flocculant/auxiliary agent and bactericide into the pH adjusting tank 31, the sedimentation tank 32 and the sterilization tank 33 respectively, so that the removal of organic matters, solid suspended matters and the like in water and the removal of bacteria in water are realized, the water quality gradually meets the requirements of recycling or discharging, the operation process is simple, and the treatment efficiency is high.
Further, the acid/alkali dosing tank 34, the flocculant/auxiliary agent dosing tank 35 and the bactericide dosing tank 36 are respectively connected with the pH adjusting tank 31, the sedimentation tank 32 and the sterilization tank 33 through a pipeline mixer, the pipeline mixer is used for effectively mixing the pH adjusting agent, the flocculant/auxiliary agent or the bactericide when the pH adjusting agent, the flocculant/auxiliary agent or the bactericide is dosed, and the pipeline mixer causes turbulence phenomenon to be generated in the flowing process of the medicament fluid due to the internal structure of the pipeline mixer, so that the mixing efficiency is improved, and the water purification effect is good.
Further, still include water quality testing device 9, the intermediate valve is three solenoid valve 10, three solenoid valve 10's water inlet and reuse water are kept in the pond 4 and are connected, three solenoid valve 10's delivery port is connected with clean water basin 8 and central processing unit 7 respectively, central processing unit 7 passes through the pipeline and is connected with clean water basin 8, detects the quality of water inlet department of three solenoid valve 10 in real time through water quality testing device 9, to the discharge flow direction of the real-time adjustment water of different quality of water, to the better condition of quality of water, only need directly to discharge into clean water basin 8 can, to the relatively poor condition of quality of water, then discharge into central processing unit 7 in and carry out further processing, discharge into clean water basin 8 after up to standard again, the adjustment is convenient, the commonality is good, and is with low costs, and the treatment effeciency is high.
Further, water quality testing device 9 sets up on the pipeline that the water inlet of three way solenoid valve 10 and reuse water are kept in pond 4 and are connected, reuse water is kept in pond 4 and is used for keeping in the water after preliminary treatment, the in-process of keeping in can carry out the sediment once more to the water after handling, make the suspended solid and the impurity of aquatic further deposit the back, the water phase that gets into in clean water basin 8 or central processing unit 7 is to purer, it directly gets into in clean water basin 8 or central processing unit 7 to lead to the fact the condition of scale deposit or jam to reduce the in-water suspended solid greatly, be favorable to reducing the frequency that later stage clearance was maintained, thereby reduce the maintenance cost.
Further, the central processing unit 7 includes a multi-media filter 71 and an ion exchanger 72 connected in sequence, the multi-media filter 71 takes layered anthracite, quartz sand, finely-divided garnet or other materials as a bed layer, water with high turbidity passes through a granular or non-granular material with a certain thickness under a certain pressure, so as to effectively remove suspended impurities and clarify the water, during filtering, larger particles in the water are removed at the top layer, smaller particles are removed at a deeper position of the multi-media filter 71, the filtered water enters the ion exchanger 72, a large amount of heavy metal ions and inorganic salt ions in the water are removed, so that the finally discharged water meets the recycling and discharging standards, a multi-stage physical purification layer is formed by a multi-stage filter layer in the multi-media filter 71 and ion exchange resin in the ion exchanger 72, so as to realize further treatment of the recycled water, no need of adding extra chemical agents, small secondary pollution, good purification treatment effect and low cost.
Further, the water quality detection device 9 comprises a water quality sensor 91, the water quality sensor 91 is connected with a control module 92, the control module 92 is connected with the three-way electromagnetic valve 10, when water passes through the water quality detection device 9, the water is contacted with the water quality sensor 91, the water quality sensor 91 detects the water quality, detected data information is transmitted to the control module 92, the control module 92 controls the opening and closing of the water outlet of the three-way electromagnetic valve 10 according to the data information of the water quality detection, when the data show that the water quality meets the discharge or recycling standard, one side of the water outlet connected with the clean water tank 8 is opened, one side of the water outlet connected with the central processing unit 7 is closed, the water directly enters the clean water tank 8, when the water quality does not meet the discharge or recycling standard, one side of the water outlet connected with the central processing unit 7 is opened, one side of the water connected with the clean water tank is closed, the water flows into the clean water tank 8 from the central processing unit 7 after being processed in the central processing unit 7, the flow direction of water is automatically adjusted through the water quality detection device 9 by detecting the water flow in real time so as to adjust the corresponding treatment scheme, the water quality treatment device is suitable for treating water with various conditions, the universality is good, the treatment process is simple and flexible, higher treatment efficiency can be ensured while a better treatment effect is ensured, the effect is good, and the cost is low.
Claims (7)
1. The utility model provides a shale gas produced water fracturing retrieval and utilization treatment facility, keeps in pond (4) including effluent water sump (1), buffer tank (2), shale gas produced water fracturing retrieval and utilization processing apparatus (3) and reuse water that connect gradually, effluent water sump (1) is connected with buffer tank (2) through intake pump (5), buffer tank (2) are connected its characterized in that through going out water pump (6) and shale gas produced water fracturing retrieval and utilization processing apparatus (3): still include central processing unit (7), reuse water temporary storage pool (4) are connected with clean water basin (8) and central processing unit (7) respectively through the intermediate valve, central processing unit (7) are connected with clean water basin (8).
2. The shale gas produced water fracturing recycling treatment equipment according to claim 1, characterized in that: shale gas produced water fracturing retrieval and utilization processing apparatus (3) are including pH equalizing basin (31), sedimentation tank (32) and the pond of disinfecting (33) that connects gradually, pH equalizing basin (31) are connected with acid/alkali dosing tank (34), sedimentation tank (32) are connected with flocculating agent/auxiliary agent dosing tank (35), it is connected with germicide dosing tank (36) to disinfect pond (33).
3. The shale gas produced water fracturing recycling treatment equipment according to claim 2, characterized in that: and the acid/alkali dosing tank (34), the flocculating agent/auxiliary agent dosing tank (35) and the bactericide dosing tank (36) are respectively connected with the pH adjusting tank (31), the sedimentation tank (32) and the sterilization tank (33) through pipeline mixers.
4. The shale gas produced water fracturing recycling treatment equipment according to claim 2, characterized in that: the water quality detection device is characterized by further comprising a water quality detection device (9), the intermediate valve is a three-way electromagnetic valve (10), the water inlet of the three-way electromagnetic valve (10) is connected with the temporary storage pool (4) for reuse water, the water outlet of the three-way electromagnetic valve (10) is respectively connected with the clean water pool (8) and the central processor (7), and the central processor (7) is connected with the clean water pool (8) through a pipeline.
5. The shale gas produced water fracturing recycling treatment equipment according to claim 4, characterized in that: the water quality detection device (9) is arranged on a pipeline which is connected with the water inlet of the three-way electromagnetic valve (10) and the temporary storage pool (4) for the reuse water.
6. The shale gas produced water fracturing recycling treatment equipment according to claim 5, characterized in that: the central processor (7) comprises a multi-medium filter (71) and an ion exchanger (72) which are connected in sequence.
7. The shale gas produced water fracturing recycling treatment equipment according to claim 4, characterized in that: the water quality detection device (9) comprises a water quality sensor (91), the water quality sensor (91) is connected with a control module (92), and the control module (92) is connected with a three-way electromagnetic valve (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120345542.8U CN214400082U (en) | 2021-02-05 | 2021-02-05 | Shale gas produced water fracturing retrieval and utilization treatment facility |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120345542.8U CN214400082U (en) | 2021-02-05 | 2021-02-05 | Shale gas produced water fracturing retrieval and utilization treatment facility |
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| CN214400082U true CN214400082U (en) | 2021-10-15 |
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| CN202120345542.8U Active CN214400082U (en) | 2021-02-05 | 2021-02-05 | Shale gas produced water fracturing retrieval and utilization treatment facility |
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