CN203626655U

CN203626655U - Electric drive skid-mounted well washing device

Info

Publication number: CN203626655U
Application number: CN201320537403.0U
Authority: CN
Inventors: 詹有辉; 肖浪; 胡锋; 周建平; 贡军民; 林森明
Original assignee: China National Petroleum Corp; Engineering Co of Xinjiang Petroleum Administration Bureau
Current assignee: China National Petroleum Corp; Engineering Co of Xinjiang Petroleum Administration Bureau
Priority date: 2013-08-30
Filing date: 2013-08-30
Publication date: 2014-06-04
Anticipated expiration: 2023-08-30

Abstract

The utility model relates to the technical field of oil field well washing devices, in particular to an electric drive skid-mounted well washing device. The electric drive skid-mounted well washing device comprises a base, an electric drive device, a water replenishing connector, a well washing water outlet connector, a water return connector, a water replenishing pipe, a wellhead water return pipe, a processing pump water pipe, a wellhead pressure reducing device, a sand removing device, a separating device, a filtering device, a water storage tank, a water supply pump assembly and an electric control device. The electric drive skid-mounted well washing device has the advantages that the well washing device is reasonable and compact in structure, convenient to use, transport and mount, economical, safe, environmental friendly, simple and efficiency, the water supply pump assembly is driven by the electric drive device, an oil field power grid is used as power, the electric control device is used to set parameters and control equipment operation, sewage is processed and recycled through an oil-water-sand separator, a walnut shell filter and a quartz sand filter, the operation requirements of well washing without pressure relief can be satisfied effectively by self-circulating well washing, the processed sump oil can be recycled, and the modularized and overall skid-mounted structural design is used.

Description

Electricity drives skid well washing apparatus

Technical field

the utility model relates to oil field flushing device technique field, is that a kind of electricity drives skid well washing apparatus.

Background technology

water injection well replaces out pit shaft deposit by well-flushing, is to prevent that suspension from stopping up stratum, guarantees the important means of the normal water filling of water injection well.Will thoroughly replace out the dirt of pit shaft, must will reach the well-flushing discharge capacity of 25 cubes ms/h to 30 cubes ms/h, well-flushing total Water will reach three times to four times of normal casing volume.This just requires: the one, and well-flushing power must meet discharge capacity requirement, and the 2nd, the sewage washing out is wanted to reclaim and to process.The existing water injection well majority of current each elephant is without sewage recovery line, well-flushing difficulty, traditional well-flushing mode are disturbed large to other well water filling, well washing effect is not good, oilfield surface engineering construction field well washing system no longer allows independent construction, along with the increasingly stringent of safety and environmental protection requirement, outer row is limited for well-flushing waste water, therefore substitutes traditional well-flushing mode in the urgent need to new well-flushing mode.

Summary of the invention

the utility model provides a kind of electricity to drive skid well washing apparatus, has overcome the deficiency of above-mentioned prior art, the problem that its sewage that can effectively solve existing oil field flushing existence cannot be realized and recycling, well washing effect is poor.

the technical solution of the utility model realizes by following measures: a kind of electricity drives skid well washing apparatus, comprises base, electric driver, moisturizing joint, well-flushing water out adapter, returns water swivel, filling pipe, well head return pipe, processes water pumping pipe, well head decompressor, desanding device, separator, filter, storage tank, feed pump assembly and electric control gear, electric driver, the moisturizing joint that can be connected with water-injection station feed pipe, the well-flushing water out adapter that can be connected with wellhead casing pipe, what can be connected with well mouth oil pipe returns water swivel, well head decompressor, desanding device, separator, filter, storage tank, feed pump assembly and control device are fixedly mounted on respectively on base, the liquid outlet of moisturizing joint is connected with the inlet of storage tank by filling pipe, the liquid outlet that returns water swivel is connected with the inlet of well head decompressor by well head return pipe, the liquid outlet of well head decompressor passes through desanding device successively, separator and filter are connected with the inlet of storage tank, the liquid outlet of storage tank is connected with the inlet of well-flushing water out adapter by feed pump assembly and processing water pumping pipe, electric control gear and electric driver are electrically connected and can make the work of feed pump assembly.

the further optimization and/or improvements to above-mentioned utility model technical scheme below:

above-mentioned electric control gear and electric driver are fixedly mounted on the left front portion of base, feed pump assembly is fixedly mounted on the base at electric driver rear, well head decompressor is fixedly mounted on right-hand base of electric driver, desanding device is fixedly mounted on right-hand base of well head decompressor, storage tank is fixedly mounted on right-hand base of feed pump assembly, separator is fixedly mounted on right-hand base of storage tank, filter is fixedly mounted on the base in separator front, moisturizing joint is fixedly mounted on the base in corresponding storage tank front, well-flushing water out adapter and return water swivel and be fixedly mounted on respectively base right-hand member middle part, between the liquid outlet of well head decompressor and the inlet of desanding device, be connected by decompression liquid pipe, between the liquid outlet of desanding device and eliminator inlet, be connected by desanding liquid pipe, between eliminator outfall and the inlet of filter, be connected by parting liquid pipe, between the liquid outlet of filter and the inlet of storage tank, be connected by filtered fluid pipe.

above-mentioned separator is profit sand separator, and the left part of profit sand separator is provided with eliminator inlet, and the upper end of profit sand separator is provided with eliminator oil-out and eliminator outfall, and the lower end of profit sand separator is provided with eliminator sewage draining exit; Rear portion, base right side is installed with eliminator pollution discharge joint, and eliminator sewage draining exit is connected with the inlet of eliminator pollution discharge joint by the eliminator blowoff line with eliminator sewage globe valve.

above-mentioned storage tank right part is fixed with sump oil case, and the top of sump oil case is provided with sump oil case inlet, and there is sump oil case sewage draining exit the lower end of sump oil case; Sump oil case inlet is connected with eliminator oil-out by the fuel-displaced pipeline of eliminator, and the front center of base is installed with fuel tank pollution discharge joint, and sump oil case sewage draining exit is connected with the inlet of fuel tank pollution discharge joint by sump oil case blowoff line.

above-mentioned electric driver comprises electric capstan, capstan winch motor, cable and pump drive motors, electric capstan comprises winch rack, capsizing moment spindle, capstan winch roller and capstan winch belt wheel, winch rack is fixedly mounted on base left part, capstan winch roller is arranged in winch rack and can be rotated by capsizing moment spindle, it is right-hand and be installed with capstan winch belt wheel that the right-hand member of capsizing moment spindle extends winch rack, on the right-hand base of winch rack, be installed with capstan winch motor, on the power output shaft of capstan winch motor, be installed with capstan winch driving wheel, capstan winch driving wheel is connected with capstan winch belt wheel by capstan winch driving-belt and can drives capstan winch belt wheel to rotate, on the right-hand base of capstan winch motor, be installed with pump drive motors, on capstan winch roller, be wound with cable, one end of cable is free end and the power connection that can be electrically connected with oilfield electric net is installed, and the other end of cable is that fixed end being fixedly mounted on capsizing moment spindle is electrically connected with the power input terminal of pump drive motors, on the power output shaft of pump drive motors, be installed with pump motor driving wheel, on the power input shaft of feed pump assembly, be installed with Water-pump belt wheel, pump motor driving wheel is connected with the Water-pump belt wheel of feed pump assembly by pump drive band and can drives Water-pump belt wheel to rotate.

above-mentioned electric control gear comprises frequency conversion tank and PLC control cabinet; Frequency conversion tank is fixedly mounted on the base in capstan winch motor front, and the input terminal of frequency conversion tank and the fixed end of cable are electrically connected, and the power supply terminal of the lead-out terminal of frequency conversion tank and pump drive motors is electrically connected; PLC control cabinet is fixedly mounted on right-hand base of pump drive motors, on storage tank, be provided with water storage content gauge, on sump oil case, be provided with sump oil content gauge, the signal output terminal of the signal output terminal of water storage content gauge and sump oil content gauge is electrically connected with the signal input terminal of PLC control cabinet respectively; Pump motor switch is installed on pump drive motors, and well head decompressor is electronic reducing valve, and the control terminal of pump motor switch and the control terminal of electronic reducing valve are electrically connected with the signal output terminal of PLC control cabinet respectively.

above-mentioned filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

above-mentioned base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

on the right-hand base of above-mentioned storage tank, be installed with chemicals dosing plant, chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

on the liquid valve of above-mentioned decompression liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

the utility model reasonable and compact in structure, easy to use, it drives feed pump assembly by electric driver, and use oilfield electric net is power, saves great amount of fuel oil and meets energy-conserving and environment-protective requirement; By electric control gear setup parameter and control appliance work, can realize the automatic adjusting of major parameter in operation; By profit sand separator, walnut shell filter and quartz filter, sewage is carried out water treatment and recycled, water treatment is effective, can long-time continuous operation; Sump oil after treatment is recyclable, operation process zero-emission, has reduced environment pollution, and self-circulation well flushing can effectively meet not pressure release well washing job requirements; Adopt modularization, overall skid-mounted structure design, be convenient to transportation and install, there is economy, safety, environmental protection, easy, efficient feature.

Accompanying drawing explanation

accompanying drawing 1 is the pipeline connection diagram of the utility model most preferred embodiment.

accompanying drawing 2 is the main TV structure schematic diagram of the utility model most preferred embodiment.

accompanying drawing 3 is the plan structure schematic diagram of accompanying drawing 2.

coding in accompanying drawing is respectively: 1 is base, 2 is moisturizing joint, 3 is well-flushing water out adapter, 4 for returning water swivel, 5 is filling pipe, 6 is well head return pipe, 7 for processing water pumping pipe, 8 is storage tank, 9 is wellhead casing pipe, 10 is well mouth oil pipe, 11 is profit sand separator, 12 is eliminator oil-out, 13 is eliminator outfall, 14 is eliminator pollution discharge joint, 15 is eliminator blowoff line, 16 is decompression liquid pipe, 17 is desanding liquid pipe, 18 is parting liquid pipe, 19 is filtered fluid pipe, 20 is sump oil case, 21 is the fuel-displaced pipeline of eliminator, 22 is fuel tank pollution discharge joint, 23 is capstan winch motor, 24 is cable, 25 is pump drive motors, 26 is winch rack, 27 is capsizing moment spindle, 28 is capstan winch driving-belt, 29 is pump drive band, 30 is frequency conversion tank, 31 is PLC control cabinet, 32 is pump motor switch, 33 is electronic reducing valve, 34 is the first walnut shell filter, 35 is the second walnut shell filter, 36 is the first quartz filter, 37 is the second quartz filter, 38 is diafiltration transfer valve, 39 is the first filtration threeway, 40 is filtrate stop valve, 41 is filtrate pipeline, 42 is the second filtration threeway, 43 is filter tank discharge opeing stop valve, 44 is ejectment pipeline, 45 is the 3rd filtration threeway, 46 for switching stop valve, 47 is liquid guide pipeline, 48 is the first filtration four-way, 49 is short circuit stop valve, 50 is short circuit pipeline, 51 is elementary collector tube, 52 is secondary collector tube, 53 is liquid collecting stop valve, 54 for carrying stop valve, 55 is backwashing pump, 56 is backwash feed pipe, 57 is backwash outlet pipe, 58 is the first backwash threeway, 59 is eliminator backwash liquor mouth, 60 is eliminator backwash stop valve, 61 is eliminator backwash liquor pipe, 62 is backwash flow control stop valve, 63 is the second backwash threeway, 64 is change of current stop valve, 65 is backwash water out adapter, 66 is filter tank discharging tube, 67 is dosing tank, 68 is dosing pump, 69 is pipe-line mixer, 70 is sampler, 71 is direct sewage globe valve, 72 is direct blow-off pipe, 73 is dosing pipe, 74 is desanding device, 75 is feed pump assembly.

The specific embodiment

the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.

in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.

below in conjunction with embodiment and accompanying drawing, the utility model is further described:

as shown in accompanying drawing 1,2,3, this electricity drives that skid well washing apparatus comprises base 1, electric driver, moisturizing joint 2, well-flushing water out adapter 3, returns water swivel 4, filling pipe 5, well head return pipe 6, process water pumping pipe 7, well head decompressor, desanding device 74, separator, filter, storage tank 8, feed pump assembly 75 and electric control gear, electric driver, the moisturizing joint 2 that can be connected with water-injection station feed pipe, the well-flushing water out adapter 3 that can be connected with wellhead casing pipe 9, what can be connected with well mouth oil pipe 10 returns water swivel 4, well head decompressor, desanding device 74, separator, filter, storage tank 8, feed pump assembly 75 and control device are fixedly mounted on respectively on base 1, the liquid outlet of moisturizing joint 2 is connected with the inlet of storage tank 8 by filling pipe 5, the liquid outlet that returns water swivel 4 is connected with the inlet of well head decompressor by well head return pipe 6, the liquid outlet of well head decompressor is successively by desanding device 74, separator and filter are connected with the inlet of storage tank 8, the liquid outlet of storage tank 8 is connected with the inlet of well-flushing water out adapter 3 by feed pump assembly 75 and processing water pumping pipe 7, electric control gear and electric driver are electrically connected and can make feed pump assembly 75 work.Moisturizing joint 2 is connected with the feed pipe of water-injection station, by well-flushing water out adapter 3 with return water swivel 4 and be connected with production tree, well-flushing water out adapter 3 is connected with wellhead casing pipe 9, after returning water swivel 4 and being connected with well mouth oil pipe 10, by the water inlet of production tree bottom to the interior water filling of wellhead casing pipe 9, first the flushing fluid that well mouth oil pipe 10 returns out enters well head decompressor, by flushing fluid Pressure Drop to 0.6MPa, reach after design pressure of the present utility model, being introduced into desanding device 74 removes oarse-grained silt, enter subsequently separator by fine sand sedimentation and remove oil droplet and suspension, finally enter filter and remove less suspension, water after treatment enters storage tank 8, be delivered to well-flushing water out adapter 3 by feed pump assembly 75 by processing water pumping pipe 7 again, the wellhead casing pipe 9 of final input water injection well, carry out the operation of not pressure release circulation well cleanup.

can according to actual needs, above-mentioned electricity be driven to skid well washing apparatus and make further optimization and/or improvements:

as accompanying drawing 2, shown in 3, electric control gear and electric driver are fixedly mounted on the left front portion of base 1, feed pump assembly 75 is fixedly mounted on the base 1 at electric driver rear, well head decompressor is fixedly mounted on right-hand base of electric driver 1, desanding device 74 is fixedly mounted on right-hand base of well head decompressor 1, storage tank 8 is fixedly mounted on right-hand base of feed pump assembly 75 1, separator is fixedly mounted on right-hand base of storage tank 81, filter is fixedly mounted on the base 1 in separator front, moisturizing joint 2 is fixedly mounted on the base 1 in corresponding storage tank 8 fronts, well-flushing water out adapter 3 and return water swivel 4 and be fixedly mounted on respectively base 1 right-hand member middle part, between the inlet of the liquid outlet of well head decompressor and desanding device 74, be connected by decompression liquid pipe 16, between the liquid outlet of desanding device 74 and eliminator inlet, be connected by desanding liquid pipe 17, between eliminator outfall 13 and the inlet of filter, be connected by parting liquid pipe 18, between the liquid outlet of filter and the inlet of storage tank 8, be connected by filtered fluid pipe 19.

as shown in Figure 1, separator is profit sand separator 11, the left part of profit sand separator 11 is provided with eliminator inlet, and the upper end of profit sand separator 11 is provided with eliminator oil-out 12 and eliminator outfall 13, and the lower end of profit sand separator 11 is provided with eliminator sewage draining exit; Base 1 rear portion, right side is installed with eliminator pollution discharge joint 14, and eliminator sewage draining exit is connected with the inlet of eliminator pollution discharge joint 14 by the eliminator blowoff line 15 with eliminator sewage globe valve.

as shown in accompanying drawing 1,2,3, storage tank 8 right parts are fixed with sump oil case 20, and the top of sump oil case 20 is provided with sump oil case inlet, and there is sump oil case sewage draining exit the lower end of sump oil case 20; Sump oil case inlet is connected with eliminator oil-out 12 by the fuel-displaced pipeline 21 of eliminator, and the front center of base 1 is installed with fuel tank pollution discharge joint 22, and sump oil case sewage draining exit is connected with the inlet of fuel tank pollution discharge joint 22 by sump oil case blowoff line.Storage tank 8 and sump oil case 20 are made to one, can greatly save space.

as accompanying drawing 2, shown in 3, electric driver comprises electric capstan, capstan winch motor 23, cable 24 and pump drive motors 25, electric capstan comprises winch rack 26, capsizing moment spindle 27, capstan winch roller and capstan winch belt wheel, winch rack 26 is fixedly mounted on base 1 left part, capstan winch roller is arranged in winch rack 26 and can be rotated by capsizing moment spindle 27, it is right-hand and be installed with capstan winch belt wheel that the right-hand member of capsizing moment spindle 27 extends winch rack 26, on the right-hand base 1 of winch rack 26, be installed with capstan winch motor 23, on the power output shaft of capstan winch motor 23, be installed with capstan winch driving wheel, capstan winch driving wheel is connected with capstan winch belt wheel by capstan winch driving-belt 28 and can drives capstan winch belt wheel to rotate, on the right-hand base 1 of capstan winch motor 23, be installed with pump drive motors 25, on capstan winch roller, be wound with cable 24, one end of cable 24 is free end and the power connection that can be electrically connected with oilfield electric net is installed, and the other end of cable 24 is that fixed end being fixedly mounted on capsizing moment spindle 27 is electrically connected with the power input terminal of pump drive motors 25, on the power output shaft of pump drive motors 25, be installed with pump motor driving wheel, on the power input shaft of feed pump assembly 75, be installed with Water-pump belt wheel, pump motor driving wheel is connected with the Water-pump belt wheel of feed pump assembly 75 by pump drive band 29 and can drives Water-pump belt wheel to rotate.

as shown in accompanying drawing 1,2,3, electric control gear comprises frequency conversion tank 30 and PLC control cabinet 31; Frequency conversion tank 30 is fixedly mounted on the base 1 in capstan winch motor 23 fronts, and the fixed end of the input terminal of frequency conversion tank 30 and cable 24 is electrically connected, and the power supply terminal of the lead-out terminal of frequency conversion tank 30 and pump drive motors 25 is electrically connected; PLC control cabinet 31 is fixedly mounted on right-hand base of pump drive motors 25 1, on storage tank 8, be provided with water storage content gauge, on sump oil case 20, be provided with sump oil content gauge, the signal output terminal of the signal output terminal of water storage content gauge and sump oil content gauge is electrically connected with the signal input terminal of PLC control cabinet 31 respectively; Pump motor switch 32 is installed on pump drive motors 25, and well head decompressor is electronic reducing valve 33, and the control terminal of the control terminal of pump motor switch 32 and electronic reducing valve 33 is electrically connected with the signal output terminal of PLC control cabinet 31 respectively.Control by PLC control cabinet 31, PLC is upper to be shown and operation screen with technological parameter, can complete the accurate setting of core parameter and automatically control, and uses convenient.

as shown in accompanying drawing 1,2,3, filter comprises the first walnut shell filter 34, the second walnut shell filter 35, the first quartz filter 36 and the second quartz filter 37, there is respectively inlet on the top of the first walnut shell filter 34, the second walnut shell filter 35, the first quartz filter 36 and the second quartz filter 37 liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter 34, the second walnut shell filter 35, the first quartz filter 36 and the second quartz filter 37 liquid valve is installed, parting liquid pipe 18 middle parts are provided with diafiltration transfer valve 38, the liquid outlet of parting liquid pipe 18 is provided with the first filtration threeway 39, the first the first liquid outlet that filters threeway 39 is connected with the liquid feed valve import of the first walnut shell filter 34, the first the second liquid outlet that filters threeway 39 is installed with the filtrate pipeline 41 with filtrate stop valve 40, the liquid outlet of filtrate pipeline 41 is installed with the second filtration threeway 42, the second the first liquid outlet that filters threeway 42 is installed with filter tank discharge opeing stop valve 43, the second the second liquid outlet that filters threeway 42 is installed with ejectment pipeline 44, the liquid outlet of ejectment pipeline 44 is installed with the 3rd and filters threeway 45, the 3rd the first liquid outlet that filters threeway 45 is connected with the liquid feed valve import of the second walnut shell filter 35, the 3rd the second liquid outlet that filters threeway 45 is installed with the liquid guide pipeline 47 that switches stop valve 46, the liquid outlet of liquid guide pipeline 47 is installed with the first filtration four-way 48, the first the first liquid outlet that filters four-way 48 is connected with the liquid feed valve import of the first quartz filter 36, the first the second liquid outlet that filters four-way 48 is connected with the liquid feed valve import of the second quartz filter 37, the first the 3rd liquid outlet that filters four-way 48 is installed with the short circuit pipeline 50 with short circuit stop valve 49, the liquid valve outlet of the first walnut shell filter 34, between the liquid valve outlet of the second walnut shell filter 35 and the liquid outlet of short circuit pipeline 50, link together by elementary collector tube 51, the liquid valve outlet of the first quartz filter 36 and the liquid valve outlet of the second quartz filter 37 link together by secondary collector tube 52, elementary collector tube 51 is connected by liquid collecting stop valve 53 with secondary collector tube 52, secondary collector tube 52 is connected by conveying stop valve 54 with filtered fluid pipe 19.

as shown in accompanying drawing 1,2,3, base 1 right part is installed with backwashing pump 55, and the signal output terminal of the control terminal of backwashing pump 55 and PLC control cabinet 31 is electrically connected; The water inlet of backwashing pump 55 is connected with the liquid outlet of storage tank 8 by backwash feed pipe 56, on the delivery port of backwashing pump 55, is installed with the first backwash threeway 58 by backwash outlet pipe 57; The lower end of profit sand separator 11 is provided with eliminator backwash liquor mouth 59, the first liquid outlet of the first backwash threeway 58 is connected with eliminator backwash liquor mouth 59 by the eliminator backwash liquor pipe 61 with eliminator backwash stop valve 60, the second liquid outlet of the first backwash threeway 58 is installed with the second backwash threeway 63 by backwash flow control stop valve 62, the first liquid outlet of the second backwash threeway 63 is connected with elementary collector tube 51, and the second liquid outlet of the second backwash threeway 63 is connected with ejectment pipeline 44 by change of current stop valve 64; The right-hand member front portion of base 1 is installed with backwash water out adapter 65, and the inlet of backwash water out adapter 65 is connected with the liquid outlet of filter tank discharge opeing stop valve 43 by filter tank discharging tube 66.

as shown in accompanying drawing 1,2,3, on the right-hand base 1 of storage tank 8, be installed with chemicals dosing plant, chemicals dosing plant comprises dosing tank 67, dosing pump 68 and pipe-line mixer 69; On desanding liquid pipe 17, pipe-line mixer 69 is installed, the liquid outlet of dosing tank 67 is by dosing pump 68 and dosing pipe 73 and pipe-line mixer 69 intracavity inter-connections, and the signal output terminal of the control terminal of dosing pump 68 and PLC control cabinet 31 is electrically connected.Can add the medicament that impels water-oil separating by chemicals dosing plant, to accelerate separating out and separating of oil droplet.

as shown in accompanying drawing 1,2,3, on the liquid valve of decompression liquid pipe 16 middle parts, parting liquid pipe 18 middle parts, the first walnut shell filter 34, on the liquid valve of the second walnut shell filter 35, on the liquid valve of the first quartz filter 36, on the liquid valve of the second quartz filter 37 and be separately installed with sampler 70 on dosing pipe 73, sampler 70 comprises pressure sensor, sample valve and sampling mouth, and sampler 70 is existing known technology.

in addition, decompression liquid pipe 16 middle parts can be by being connected with the direct blow-off pipe 72 of direct sewage globe valve 71 with eliminator blowoff line 15, above-mentioned each pipeline portions adopts welded construction, between above-mentioned each unit interface, by flange connect, wherein pressure duct part all needs can carry out pressure testing use through detecting a flaw after qualified.By opening direct sewage globe valve 71, the liquid in decompression liquid pipe 16 can pass through direct sewage globe valve 71, directly blow-off pipe 72, eliminator blowoff line 15 are directly discharged by eliminator pollution discharge joint 14, use convenient; Maximum well-flushing discharge capacity of the present utility model is 27 cubes ms/h, and maximum well-flushing pressure is 20MPa, and applicable working condition is that water injection well returning fluid oil content is less than 2000mg/L, water injection well returning fluid suspension content is less than 2000mg/L; After tested, its oil content of the utility model water quality after treatment is less than 10mg/L, and liquid suspension content is less than 10mg/L, is better than defined water quality in SY-T5329 " clastic reservoir water water quality fertilizer index and analytical method ".

above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.

the use procedure of the utility model most preferred embodiment:

first, carry out preparation: by storage battery or other power drives capstan winch motors 23, make capstan winch motor 23 drive capstan winch belt wheel, capsizing moment spindle 27 and capstan winch roller to rotate by capstan winch driving wheel and capstan winch driving-belt 28, make cable 24 be elongated to suitable length; Power connection on cable 24 free ends and oilfield electric net are electrically connected and are connected, finishing device power supply; Well-flushing water out adapter 3 is connected by the wellhead casing pipe 9 of high-voltage quick joint and hard tube line and water injection well, connect by the well mouth oil pipe 10 of high-voltage quick joint and hard tube line and water injection well returning water swivel 4.

then, carry out the first workflow: the outlet valve of opening well mouth oil pipe 10, return water outlet successively through returning water swivel 4, well head return pipe 6, electronic reducing valve 33, decompression liquid pipe 16, desanding device 74, desanding liquid pipe 17, profit sand separator 11, parting liquid pipe 18, the second filtration threeway 42, change of current stop valve 64, the second backwash threeway 63, elementary collector tube 51, liquid collecting stop valve 53, secondary collector tube 52, carrying stop valve 54 and filtered fluid pipe 19 to enter storage tank 8, storage tank 8 is carried out to moisturizing; Or directly, by moisturizing joint 2 process filling pipes 5, complete the moisturizing to storage tank 8.

then, carry out the second workflow: send signal enabling feed pump assembly 75 by PLC control cabinet 31, the water that the liquid outlet of storage tank 8 is discharged is through 75 superchargings of feed pump assembly, inject in the annular space of wellhead casing pipe 9 by processing water pumping pipe 7 and well-flushing water out adapter 3, the water injecting in wellhead casing pipe 9 annular spaces flows into oil pipe through oil pipe bottom porous screen casing, return out the sewage of oil-containing and suspension, sewage high velocity stream is through well mouth oil pipe 10 and return water swivel 4, now the pressure of sewage is about 10 MPa to 15MPa, be decompressed to below 0.6MPa through electronic reducing valve 33, enter desanding device 74 by decompression liquid pipe 16 and remove the bulky grain silt below 2mm, sewage after desanding fully mixes with medicament through pipe-line mixer 69, enter profit sand separator 11 by eliminator inlet, the isolated sump oil of profit sand separator 11 is collected in sump oil case 20 through eliminator oil-out 12 and the fuel-displaced pipeline 21 of eliminator, large granular impurity the natural subsidence more than 2mm in profit sand separator 11 is at the bottom of tank, sewage after desanding oil removing is through eliminator outfall 13, parting liquid pipe 18, second filters threeway 42, change of current stop valve 64, the second backwash threeway 63, elementary collector tube 51, liquid collecting stop valve 53, secondary collector tube 52, carry stop valve 54 and filtered fluid pipe 19 to enter storage tank 8, complete the moisturizing to storage tank 8, in this process, the processing time constructs according to the measure of water injection well well-flushing, in process, PLC control cabinet 31 gathers turnover data on flows, PLC sends instruction and completes valve opening to electronic reducing valve 33 and dosing pump 68 and the adjusting of feed pump assembly 75 running frequencies, assurance system is moved continuously.

afterwards, carry out the 3rd workflow: the sample examination that completes water sample after the second work flow process by the sampling mouth of each sampler 70, after confirming that silt and sump oil are disposed, close filter tank discharge opeing stop valve 43, change of current stop valve 64, switch stop valve 46 and liquid collecting stop valve 53, the sewage that profit sand separator 11 is disposed is respectively through the first filtration threeway 39 and filtrate pipeline 41, filtrate stop valve 40, second filters threeway 42, ejectment pipeline 44, the 3rd filtration threeway 45 enters the first walnut shell filter 34 and the second walnut shell filter 35 completes the processing to little oil droplet, after thorough oil removing, sewage is by elementary collector tube 51, short circuit pipeline 50, short circuit stop valve 49, the first filtration four-way 48 enters respectively the first quartz filter 36 and the second quartz filter 37 completes suspension processing, in this process, the processing time constructs according to the measure of water injection well well-flushing, in process, strengthen the water quality at sampler 70 places to carry out sample examination, finally when oil pipe returns the water quality of water and the water quality of the first quartz filter 36 and the second quartz filter 37 water outlets when consistent, well-flushing end-of-job.

finally, carry out backwash workflow: send signal enabling backwashing pump 55 by PLC control cabinet 31, the water that the liquid outlet of storage tank 8 is discharged enters backwashing pump 55 by backwash feed pipe 56, through backwashing pump 55 supercharging supply backwash waters, when silt at the bottom of only needing to clear up profit sand separator 11 tanks is dirty, close backwash flow control stop valve 62 and open eliminator backwash stop valve 60, water is by backwash outlet pipe 57, the first backwash threeway 58, eliminator backwash stop valve 60 and eliminator backwash liquor mouth 59 enter profit sand separator 11 inside, close change of current stop valve 64, switch the liquid feed valve of stop valve 46 and the first walnut shell filter 34 and the second walnut shell filter 35, discharge sewage by eliminator outfall 13 by diafiltration transfer valve 38, parting liquid pipe 18, filtrate stop valve 40, second filters threeway 42, filter tank discharge opeing stop valve 43 and filter tank discharging tube 66 enter backwash water out adapter 65 effluent sewerages, when only needing to clear up the first walnut shell filter 34, the second walnut shell filter 35, when silt at the bottom of the first quartz filter 36 and the second quartz filter 37 tanks is dirty, close filtrate stop valve 40, eliminator backwash stop valve 60, change of current stop valve 64, short circuit stop valve 49 and conveying stop valve 54, and open backwash flow control stop valve 62 and liquid collecting stop valve 53, water is by backwash outlet pipe 57, the first backwash threeway 58, backwash flow control stop valve 62, the second backwash threeway 63, elementary collector tube 51, liquid collecting stop valve 53 enters in its tank body by the liquid valve of each strainer respectively, open and switch stop valve 46 and filter tank discharge opeing stop valve 43, the sewage of discharging passes through to switch stop valve 46 by the liquid feed valve of each strainer, ejectment pipeline 44, filter tank discharge opeing stop valve 43 and filter tank discharging tube 66, finally by backwash water out adapter 65 effluent sewerages.

Claims

1. electricity drives a skid well washing apparatus, it is characterized in that comprising base, electric driver, moisturizing joint, well-flushing water out adapter, returns water swivel, filling pipe, well head return pipe, processes water pumping pipe, well head decompressor, desanding device, separator, filter, storage tank, feed pump assembly and electric control gear, electric driver, the moisturizing joint that can be connected with water-injection station feed pipe, the well-flushing water out adapter that can be connected with wellhead casing pipe, what can be connected with well mouth oil pipe returns water swivel, well head decompressor, desanding device, separator, filter, storage tank, feed pump assembly and control device are fixedly mounted on respectively on base, the liquid outlet of moisturizing joint is connected with the inlet of storage tank by filling pipe, the liquid outlet that returns water swivel is connected with the inlet of well head decompressor by well head return pipe, the liquid outlet of well head decompressor passes through desanding device successively, separator and filter are connected with the inlet of storage tank, the liquid outlet of storage tank is connected with the inlet of well-flushing water out adapter by feed pump assembly and processing water pumping pipe, electric control gear and electric driver are electrically connected and can make the work of feed pump assembly.

2. electricity according to claim 1 drives skid well washing apparatus, it is characterized in that electric control gear and electric driver are fixedly mounted on the left front portion of base, feed pump assembly is fixedly mounted on the base at electric driver rear, well head decompressor is fixedly mounted on right-hand base of electric driver, desanding device is fixedly mounted on right-hand base of well head decompressor, storage tank is fixedly mounted on right-hand base of feed pump assembly, separator is fixedly mounted on right-hand base of storage tank, filter is fixedly mounted on the base in separator front, moisturizing joint is fixedly mounted on the base in corresponding storage tank front, well-flushing water out adapter and return water swivel and be fixedly mounted on respectively base right-hand member middle part, between the liquid outlet of well head decompressor and the inlet of desanding device, be connected by decompression liquid pipe, between the liquid outlet of desanding device and eliminator inlet, be connected by desanding liquid pipe, between eliminator outfall and the inlet of filter, be connected by parting liquid pipe, between the liquid outlet of filter and the inlet of storage tank, be connected by filtered fluid pipe.

3. electricity according to claim 1 and 2 drives skid well washing apparatus, it is characterized in that separator is profit sand separator, the left part of profit sand separator is provided with eliminator inlet, the upper end of profit sand separator is provided with eliminator oil-out and eliminator outfall, and the lower end of profit sand separator is provided with eliminator sewage draining exit; Rear portion, base right side is installed with eliminator pollution discharge joint, and eliminator sewage draining exit is connected with the inlet of eliminator pollution discharge joint by the eliminator blowoff line with eliminator sewage globe valve.

4. electricity according to claim 3 drives skid well washing apparatus, it is characterized in that storage tank right part is fixed with sump oil case, and the top of sump oil case is provided with sump oil case inlet, and there is sump oil case sewage draining exit the lower end of sump oil case; Sump oil case inlet is connected with eliminator oil-out by the fuel-displaced pipeline of eliminator, and the front center of base is installed with fuel tank pollution discharge joint, and sump oil case sewage draining exit is connected with the inlet of fuel tank pollution discharge joint by sump oil case blowoff line.

5. electricity according to claim 1 and 2 drives skid well washing apparatus, it is characterized in that electric driver comprises electric capstan, capstan winch motor, cable and pump drive motors, electric capstan comprises winch rack, capsizing moment spindle, capstan winch roller and capstan winch belt wheel, winch rack is fixedly mounted on base left part, capstan winch roller is arranged in winch rack and can be rotated by capsizing moment spindle, it is right-hand and be installed with capstan winch belt wheel that the right-hand member of capsizing moment spindle extends winch rack, on the right-hand base of winch rack, be installed with capstan winch motor, on the power output shaft of capstan winch motor, be installed with capstan winch driving wheel, capstan winch driving wheel is connected with capstan winch belt wheel by capstan winch driving-belt and can drives capstan winch belt wheel to rotate, on the right-hand base of capstan winch motor, be installed with pump drive motors, on capstan winch roller, be wound with cable, one end of cable is free end and the power connection that can be electrically connected with oilfield electric net is installed, and the other end of cable is that fixed end being fixedly mounted on capsizing moment spindle is electrically connected with the power input terminal of pump drive motors, on the power output shaft of pump drive motors, be installed with pump motor driving wheel, on the power input shaft of feed pump assembly, be installed with Water-pump belt wheel, pump motor driving wheel is connected with the Water-pump belt wheel of feed pump assembly by pump drive band and can drives Water-pump belt wheel to rotate.

6. electricity according to claim 3 drives skid well washing apparatus, it is characterized in that electric driver comprises electric capstan, capstan winch motor, cable and pump drive motors, electric capstan comprises winch rack, capsizing moment spindle, capstan winch roller and capstan winch belt wheel, winch rack is fixedly mounted on base left part, capstan winch roller is arranged in winch rack and can be rotated by capsizing moment spindle, it is right-hand and be installed with capstan winch belt wheel that the right-hand member of capsizing moment spindle extends winch rack, on the right-hand base of winch rack, be installed with capstan winch motor, on the power output shaft of capstan winch motor, be installed with capstan winch driving wheel, capstan winch driving wheel is connected with capstan winch belt wheel by capstan winch driving-belt and can drives capstan winch belt wheel to rotate, on the right-hand base of capstan winch motor, be installed with pump drive motors, on capstan winch roller, be wound with cable, one end of cable is free end and the power connection that can be electrically connected with oilfield electric net is installed, and the other end of cable is that fixed end being fixedly mounted on capsizing moment spindle is electrically connected with the power input terminal of pump drive motors, on the power output shaft of pump drive motors, be installed with pump motor driving wheel, on the power input shaft of feed pump assembly, be installed with Water-pump belt wheel, pump motor driving wheel is connected with the Water-pump belt wheel of feed pump assembly by pump drive band and can drives Water-pump belt wheel to rotate.

7. electricity according to claim 4 drives skid well washing apparatus, it is characterized in that electric driver comprises electric capstan, capstan winch motor, cable and pump drive motors, electric capstan comprises winch rack, capsizing moment spindle, capstan winch roller and capstan winch belt wheel, winch rack is fixedly mounted on base left part, capstan winch roller is arranged in winch rack and can be rotated by capsizing moment spindle, it is right-hand and be installed with capstan winch belt wheel that the right-hand member of capsizing moment spindle extends winch rack, on the right-hand base of winch rack, be installed with capstan winch motor, on the power output shaft of capstan winch motor, be installed with capstan winch driving wheel, capstan winch driving wheel is connected with capstan winch belt wheel by capstan winch driving-belt and can drives capstan winch belt wheel to rotate, on the right-hand base of capstan winch motor, be installed with pump drive motors, on capstan winch roller, be wound with cable, one end of cable is free end and the power connection that can be electrically connected with oilfield electric net is installed, and the other end of cable is that fixed end being fixedly mounted on capsizing moment spindle is electrically connected with the power input terminal of pump drive motors, on the power output shaft of pump drive motors, be installed with pump motor driving wheel, on the power input shaft of feed pump assembly, be installed with Water-pump belt wheel, pump motor driving wheel is connected with the Water-pump belt wheel of feed pump assembly by pump drive band and can drives Water-pump belt wheel to rotate.

8. electricity according to claim 5 drives skid well washing apparatus, it is characterized in that electric control gear comprises frequency conversion tank and PLC control cabinet; Frequency conversion tank is fixedly mounted on the base in capstan winch motor front, and the input terminal of frequency conversion tank and the fixed end of cable are electrically connected, and the power supply terminal of the lead-out terminal of frequency conversion tank and pump drive motors is electrically connected; PLC control cabinet is fixedly mounted on right-hand base of pump drive motors, on storage tank, be provided with water storage content gauge, on sump oil case, be provided with sump oil content gauge, the signal output terminal of the signal output terminal of water storage content gauge and sump oil content gauge is electrically connected with the signal input terminal of PLC control cabinet respectively; Pump motor switch is installed on pump drive motors, and well head decompressor is electronic reducing valve, and the control terminal of pump motor switch and the control terminal of electronic reducing valve are electrically connected with the signal output terminal of PLC control cabinet respectively.

9. electricity according to claim 6 drives skid well washing apparatus, it is characterized in that electric control gear comprises frequency conversion tank and PLC control cabinet; Frequency conversion tank is fixedly mounted on the base in capstan winch motor front, and the input terminal of frequency conversion tank and the fixed end of cable are electrically connected, and the power supply terminal of the lead-out terminal of frequency conversion tank and pump drive motors is electrically connected; PLC control cabinet is fixedly mounted on right-hand base of pump drive motors, on storage tank, be provided with water storage content gauge, on sump oil case, be provided with sump oil content gauge, the signal output terminal of the signal output terminal of water storage content gauge and sump oil content gauge is electrically connected with the signal input terminal of PLC control cabinet respectively; Pump motor switch is installed on pump drive motors, and well head decompressor is electronic reducing valve, and the control terminal of pump motor switch and the control terminal of electronic reducing valve are electrically connected with the signal output terminal of PLC control cabinet respectively.

10. electricity according to claim 7 drives skid well washing apparatus, it is characterized in that electric control gear comprises frequency conversion tank and PLC control cabinet; Frequency conversion tank is fixedly mounted on the base in capstan winch motor front, and the input terminal of frequency conversion tank and the fixed end of cable are electrically connected, and the power supply terminal of the lead-out terminal of frequency conversion tank and pump drive motors is electrically connected; PLC control cabinet is fixedly mounted on right-hand base of pump drive motors, on storage tank, be provided with water storage content gauge, on sump oil case, be provided with sump oil content gauge, the signal output terminal of the signal output terminal of water storage content gauge and sump oil content gauge is electrically connected with the signal input terminal of PLC control cabinet respectively; Pump motor switch is installed on pump drive motors, and well head decompressor is electronic reducing valve, and the control terminal of pump motor switch and the control terminal of electronic reducing valve are electrically connected with the signal output terminal of PLC control cabinet respectively.

11. electricity according to claim 2 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

12. electricity according to claim 3 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

13. electricity according to claim 4 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

14. electricity according to claim 5 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

15. electricity according to claim 6 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

16. electricity according to claim 7 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

17. electricity according to claim 8 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

18. electricity according to claim 9 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

19. electricity according to claim 10 drive skid well washing apparatus, it is characterized in that filter comprises the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter, there is respectively inlet on the top of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid feed valve is installed, and there is respectively liquid outlet the lower end of the first walnut shell filter, the second walnut shell filter, the first quartz filter and the second quartz filter liquid valve is installed, parting liquid pipe middle part is provided with diafiltration transfer valve, the liquid outlet of parting liquid pipe is provided with the first filtration threeway, first filtration the first liquid outlet of threeway and the liquid feed valve import of the first walnut shell filter are connected, the first the second liquid outlet that filters threeway is installed with the filtrate pipeline with filtrate stop valve, the liquid outlet of filtrate pipeline is installed with the second filtration threeway, the second the first liquid outlet that filters threeway is installed with filter tank discharge opeing stop valve, the second the second liquid outlet that filters threeway is installed with ejectment pipeline, the liquid outlet of ejectment pipeline is installed with the 3rd and filters threeway, the 3rd filtration the first liquid outlet of threeway and the liquid feed valve import of the second walnut shell filter are connected, the 3rd the second liquid outlet that filters threeway is installed with the liquid guide pipeline that switches stop valve, the liquid outlet of liquid guide pipeline is installed with the first filtration four-way, first filtration the first liquid outlet of four-way and the liquid feed valve import of the first quartz filter are connected, first filtration the second liquid outlet of four-way and the liquid feed valve import of the second quartz filter are connected, the first the 3rd liquid outlet that filters four-way is installed with the short circuit pipeline with short circuit stop valve, the liquid valve outlet of the first walnut shell filter, between the liquid valve outlet of the second walnut shell filter and the liquid outlet of short circuit pipeline, link together by elementary collector tube, the liquid valve outlet of the first quartz filter and the liquid valve outlet of the second quartz filter link together by secondary collector tube, elementary collector tube is connected by liquid collecting stop valve with secondary collector tube, secondary collector tube is connected by conveying stop valve with filtered fluid pipe.

20. electricity according to claim 11 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

21. electricity according to claim 12 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

22. electricity according to claim 13 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

23. electricity according to claim 14 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

24. electricity according to claim 15 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

25. electricity according to claim 16 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

26. electricity according to claim 17 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

27. electricity according to claim 18 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

28. electricity according to claim 19 drive skid well washing apparatus, it is characterized in that base right part is installed with backwashing pump, and the signal output terminal of the control terminal of backwashing pump and PLC control cabinet is electrically connected; The water inlet of backwashing pump is connected with the liquid outlet of storage tank by backwash feed pipe, on the delivery port of backwashing pump, is installed with the first backwash threeway by backwash outlet pipe; The lower end of profit sand separator is provided with eliminator backwash liquor mouth, the first liquid outlet of the first backwash threeway is connected with eliminator backwash liquor mouth by the eliminator backwash liquor pipe with eliminator backwash stop valve, the second liquid outlet of the first backwash threeway is installed with the second backwash threeway by backwash flow control stop valve, the first liquid outlet of the second backwash threeway is connected with elementary collector tube, and the second liquid outlet of the second backwash threeway is connected with ejectment pipeline by change of current stop valve; The right-hand member front portion of base is installed with backwash water out adapter, and the inlet of backwash water out adapter is connected with the liquid outlet of filter tank discharge opeing stop valve by filter tank discharging tube.

29. electricity according to claim 8 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

30. electricity according to claim 9 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

31. electricity according to claim 10 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

32. electricity according to claim 11 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

33. electricity according to claim 12 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

34. electricity according to claim 13 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

35. electricity according to claim 14 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

36. electricity according to claim 15 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

37. electricity according to claim 16 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

38. electricity according to claim 17 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

39. electricity according to claim 18 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

40. electricity according to claim 19 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

41. electricity according to claim 20 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

42. electricity according to claim 21 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

43. electricity according to claim 22 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

44. electricity according to claim 23 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

45. electricity according to claim 24 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

46. electricity according to claim 25 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

47. electricity according to claim 26 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

48. electricity according to claim 27 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

49. electricity according to claim 28 drive skid well washing apparatus, it is characterized in that being installed with chemicals dosing plant on right-hand base of storage tank, and chemicals dosing plant comprises dosing tank, dosing pump and pipe-line mixer; On desanding liquid pipe, pipe-line mixer is installed, the liquid outlet of dosing tank is by dosing pump and dosing pipe and pipe-line mixer intracavity inter-connection, and the signal output terminal of the control terminal of dosing pump and PLC control cabinet is electrically connected.

50. electricity according to claim 29 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

51. electricity according to claim 30 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

52. electricity according to claim 31 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

53. electricity according to claim 32 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

54. electricity according to claim 33 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

55. electricity according to claim 34 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

56. electricity according to claim 35 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

57. electricity according to claim 36 drive skid well washing apparatus, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

58. drive skid well washing apparatus according to the electricity described in claim 37, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

59. drive skid well washing apparatus according to the electricity described in claim 38, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

60. drive skid well washing apparatus according to the electricity described in claim 39, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

61. drive skid well washing apparatus according to the electricity described in claim 40, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

62. drive skid well washing apparatus according to the electricity described in claim 41, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

63. drive skid well washing apparatus according to the electricity described in claim 42, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

64. drive skid well washing apparatus according to the electricity described in claim 43, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

65. drive skid well washing apparatus according to the electricity described in claim 44, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

66. drive skid well washing apparatus according to the electricity described in claim 45, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

67. drive skid well washing apparatus according to the electricity described in claim 46, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

68. drive skid well washing apparatus according to the electricity described in claim 47, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

69. drive skid well washing apparatus according to the electricity described in claim 48, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.

70. drive skid well washing apparatus according to the electricity described in claim 49, it is characterized in that reducing pressure on the liquid valve of liquid pipe middle part, parting liquid pipe middle part, the first walnut shell filter, on the liquid valve of the second walnut shell filter, on the liquid valve of the first quartz filter, on the liquid valve of the second quartz filter and be separately installed with sampler on dosing pipe, sampler comprises pressure sensor, sample valve and sampling mouth.