CN102500141A - Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method - Google Patents
Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method Download PDFInfo
- Publication number
- CN102500141A CN102500141A CN2011103341216A CN201110334121A CN102500141A CN 102500141 A CN102500141 A CN 102500141A CN 2011103341216 A CN2011103341216 A CN 2011103341216A CN 201110334121 A CN201110334121 A CN 201110334121A CN 102500141 A CN102500141 A CN 102500141A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- settling tank
- sewage
- motor
- connecting line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of sewage precipitation tank washing and crude oil recycling, in particular to a sewage precipitation tank online washing machine, a device for online washing of the sewage precipitation tank and recycling of crude oil and a using method. The sewage precipitation tank online washing machine comprises a car body, a washing device, a small car power transmission device, a power device of the cleaning device and a motor control device. Two front wheels and two back wheels are installed at the bottom of the car body, a cleaning device installation support is fixedly installed at the front end of the car body, and a first motor and a second motor are fixedly installed in the car body. The cleaning device comprises a high pressure flexible pipe, a cleaning nozzle, an oscillating rod, a sliding block, a connection rod, a crank handle and a transmission shaft. The sewage precipitation tank online washing machine is reasonable and compact in structure and achieves the effect that a cleaning small car walks and steers and in the tank, and the cleaning nozzle swings in reciprocating mode by controlling the three motors in the sewage precipitation tank online washing machine. Produced sewage is directly absorbed out of the tank through the siphoning effect, so that the sewage precipitation tank online washing machine can conduct online cleaning. The sewage precipitation tank online washing machine is high in working efficiency and reduces labor intensity, safety hazards and manual cost.
Description
Technical field
the present invention relates to the sewage settling tank and clean and the crude oil recovery technical field, are a kind of sewage settling tank on-line cleaning machine and sewage settling tank on-line cleaning and crude oil recovery device and method for using.
Background technology
sewage settling tank is in accumulating is produced for a long time; Heavy oil property components such as a small amount of mechanical admixture in the oil product, the grains of sand, earth, heavy metal salt and paraffin and asphalitine can be because difference in specific gravity and natural subsidence; Be accumulated in tank base; Form the colloid substance layer, be sewage jar settling tank bed mud.Be rich in organic matter in the tank body bed mud, composition is very complicated, can not directly discharge disposal.Little in short time after this part sludge settling to systematic influence, but along with the growth of continuous accumulating time, sump oil mud increases gradually, in the course of time, has a strong impact on the accumulating production of sewage jar settling tank and the water treatment of system, must regularly remove.Because the starting of China's oil petrochemical industry is late, tank body cleaning technique and advanced international standard also exist a certain distance, and many oil plants still rest on the real production phase of artificial clear mud cleaning of evaporator.Some scientific research institutions are just arranged in research experiment with to the application study of advanced foreign technology recent years, indivedual oil plants are carrying out the production domesticization of tank body automatic cleaning technology and are exploring.The main tank body cleaning technique of present domestic application has: labor cleaning's method, negative pressure mud exhauster spoil disposal technology, static pressure perforated pipe spoil disposal technology and waterpower is towards suction method spoil disposal, but inefficiency, blowdown flow rate is big, investment for trnasforming urban land is big, maintenance difficulties is big, quantities is many, operation relative complex and personal security can not get assurance.
Summary of the invention
the invention provides a kind of sewage settling tank on-line cleaning machine and sewage settling tank on-line cleaning and crude oil recovery device and method for using; Overcome the deficiency of above-mentioned prior art, it can effectively solve existing cleaning device inefficiency, blowdown flow rate is big, investment for trnasforming urban land is big, maintenance difficulties is big, quantities is many, operate the problem that relative complex and personal security can not get guaranteeing.
One of
technical scheme of the present invention realizes through following measure: a kind of sewage settling tank on-line cleaning machine comprises car body, cleaning device, dolly actuating unit, cleaning device power set and motor control assembly; Bottom at car body is separately installed with two front vehicle wheels and two rear wheels from A-P, is installed with the cleaning device installing rack at the front end of car body, in car body, is installed with first motor and second motor; Cleaning device comprises high-pressure hose, washer jet, fork, slide block, connecting rod, crank and power transmission shaft; One end of power transmission shaft and the power output shaft of first motor are fixedly installed togather through shaft coupling; The other end of power transmission shaft is positioned at the cleaning device installing rack and is installed with crank, in the cleaning device installing rack, is installed with guide rail, and slide block is installed on the guide rail and can slides along guide rail; On crank, be hinged with connecting rod; The outer end and the slide block of connecting rod are hinged, and the fork that is fixed together with slide block is arranged on the guide rail away from slide block one side, on fork, are installed with washer jet; In the cleaning device installing rack, be installed with the hydrops cover, siphon port arranged in the upper end of hydrops cover; The power intake of the clutch end of second motor and dolly actuating unit is fixedly installed togather; The clutch end and the rear wheel of dolly actuating unit are installed together; The signal output part of motor control assembly is electrically connected through the signal input part of the control device that lead is opened, closed with control first motor and second motor respectively.
Be to the further optimization of one of technical scheme below or/and improve:
Can be installed with the 3rd motor in
above-mentioned car body, the dolly transfer is installed on car body, the power intake of the clutch end of the 3rd motor and dolly transfer is fixedly installed togather; The clutch end and the front vehicle wheel of dolly transfer are installed together; The signal output part of motor control assembly is electrically connected through the signal input part of lead the 3rd motor.
above-mentioned front vehicle wheel and rear wheel all can be anti-pulley.
Two of
technical scheme of the present invention realizes through following measure: a kind of sewage settling tank on-line cleaning and crude oil recovery device comprise plunger displacement pump, motor, water tank, sewage settling tank on-line cleaning machine, first Centrifugal Sand Pumps, greasy filth agitator, second Centrifugal Sand Pumps, mixing agitator, Cyclonic reactor, filter press, abrasive can and sewage settling tank; Sewage settling tank on-line cleaning machine is positioned at the sewage settling tank; Plunger displacement pump and motor are installed together; Be installed with first pipeline on the water sucking mouth of plunger displacement pump; The other end of first pipeline is positioned at water tank, is fixed together through second pipeline between the washer jet of plunger displacement pump and sewage settling tank on-line cleaning machine, is fixed together through the 3rd pipeline between the siphon port of sewage settling tank on-line cleaning machine and first Centrifugal Sand Pumps; Be fixed together through the 4th pipeline between first Centrifugal Sand Pumps and the greasy filth whip topping; Greasy filth stirs the top and second Centrifugal Sand Pumps is fixed together through the 5th pipeline, is fixed together through the 6th pipeline between second Centrifugal Sand Pumps and the mixing agitator, is fixed together through the 7th pipeline between mixing agitator and the Cyclonic reactor; Be fixed together through the 8th pipeline between Cyclonic reactor lower end and the filter press; Be installed with filter on first pipeline, be installed with Pressure gauge on second pipeline, be fixedly connected with first connecting line between second pipeline after Pressure gauge and the abrasive can; The bottom of abrasive can be connected sewage settling tank on-line cleaning machine before second pipeline between be fixedly connected with second connecting line; Be fixedly connected with the 6th connecting line between the 3rd pipeline and the 4th pipeline, be connected with the 7th connecting line between greasy filth whip topping and the Cyclonic reactor, the top of the top of abrasive can, greasy filth agitator and the top of mixing agitator are installed with funnel respectively; Be installed with choke valve and check valve on first connecting line successively, be installed with stop valve on second connecting line.
Be below two further optimization to technical scheme or/and improve:
Be fixedly connected with the 3rd connecting line between first connecting line between
above-mentioned abrasive can and the choke valve; Between second pipeline between the Pressure gauge and first connecting line and water tank, be fixedly connected with the 4th connecting line; Be fixedly connected with the 5th connecting line between second pipeline between plunger displacement pump and the Pressure gauge and the 4th connecting line; Be installed with choke valve on the 3rd connecting line, the junction of the 4th connecting line and the 5th connecting line is installed with overflow valve, is installed with stop valve on the 5th pipeline; Be installed with check valve respectively on the 6th pipeline, the 7th pipeline, be installed with check (non-return) valve on the 6th connecting line.
Three of technical scheme of the present invention realizes through following measure: the method for using of a kind of sewage settling tank on-line cleaning and crude oil recovery device: undertaken by following step:
(1) opens the manhole of sewage settling tank, left standstill 5 minutes to 10 minutes, CO, SO in the effluent sewerage settling tank
2
, H
2
S, NO
2
Deng pernicious gas; Detect manhole place harmful gas concentration with gas detecting instrument, concentration is lower than 5mg/m
3
Be safety standard;
(2) will slowly transfer to the tank body bottom from the manhole of sewage settling tank with the car body that equipment, pipeline connect;
(3) start valve, the pilot plunger pump discharge: open choke valve and check valve successively, start plunger displacement pump, clear water gets into plunger displacement pump from water tank through filter and carries out the supercharging speed-raising; Open overflow valve, regulate working flow that each valve makes plunger displacement pump and be 50 to 200L/min, operating pressure is 40 to 70MPa, Pressure gauge monitoring pipe flowing pressure;
(4) clean settling tank: in funnel, add abrasive material configuration liquid; This abrasive material configuration liquid comprises abrasive material and water; Abrasive material is a quartz sand, and the proportion of the relative water of quartz sand is 0.2 g/L to 2g/L in the configuration liquid, treats that it mixes the back and opens stop valve in abrasive can; The abundant mixed high-pressure spray erosion liquid of High-Pressure Water and abrasive material is penetrated by washer jet, forms Pulsed Abrasive Water Jet; The moving line of car body at the bottom of jar in the starter motor control device control sewage settling tank; Each position of cleaning sullage settling tank bottom;
(5) siphon jet carburetion mud: car body in operation at the bottom of the jar 5 to 15min; High-pressure spray carries out fragmentation, centrifugation to sewage sedimentation tank bottom oil sludge; And make it reach fluidized state, and open check (non-return) valve, mixtures such as jar underflow carburetion mud enter into the greasy filth agitator through the 3rd pipeline; If the siphon insufficient pressure, under the prerequisite that check (non-return) valve is opened, the first Centrifugal Sand Pumps time 3 of opening is to 5min, treats that siphon is effluented to close first Centrifugal Sand Pumps after stable;
(6) add clear water and treatment fluid through funnel respectively to the greasy filth agitator, the weight ratio that adds entry/treatment fluid is 3 to 10:1;
The configuration concentration of treatment fluid is 1000 to 80000ppm;
Treatment fluid comprises 0.01 to 10wt% the silicate that accounts for the treatment fluid gross weight, 0.5 to 10wt% non-ionic surface active agent, 1 to 10wt% anion surfactant sodium alkyl benzene sulfonate, 0.001 to 10wt% sodium phosphate and 0.001 to 10wt% alkali compounds potassium tert-butoxide, and all the other are clear water;
(7) the greasy filth mixture to step (6) heats, and mixture is heated up 30 to 60 ℃, in this temperature, stirs 0.5 to 4 hour, closes motor during the stirring; Greasy filth fully mixes with the mud mixture of treatment fluid, and the crude oil in the mud is come out by wash-out;
(8) after the processing of step (7), the greasy filth mixture enters into mixing agitator through second Centrifugal Sand Pumps, after mixture all enters into mixing agitator, and actuating motor; Stir on the mixing agitator limit, and the limit adds coagulant through funnel in mixing agitator, and reaction 5 adds 4 to 15ppm PAMC PAM again to 20min, stir 5 again to 10min, carries out Separation of Solid and Liquid;
Described coagulant is aluminium system or ferric flocculant, and addition is 20 to 300mg/L; Described Separation of Solid and Liquid is carried out in Cyclonic reactor, is 5min at the hydraulic detention time of Cyclonic reactor, and solidliquid mixture is divided into 3 layers after the cyclonic action, and the upper strata is the sump oil of separating, and the middle level is the sewage layer, and the bottom is a mud; The sump oil that obtains gets into contaminated-oil basin or collects oil storage tank, reclaims; The sewage that obtains gets into the greasy filth agitator of step (6), in oil-containing sludge treating process next time, is utilized again again; The mud oil concentration that obtains gets into filter press less than 1wt%, treats cured or discharging;
Through the processing of step (8), mud gets in the filter press
(9), and after the cured, liquid phase gets into sewage treatment plant and handles, and solid phase is sent into to burn in the incinerator or mix after preliminary airing and is used for the processing type caking agent of coal in the coal.
Be below three further optimization to technical scheme or/and improve:
above-mentioned (4) are cleaned in the step of settling tank, and the proportion of the relative water of quartz sand can be 0.5 to 1 g/L in the configuration liquid; Or/and in the step of above-mentioned (5) siphon jet carburetion mud, car body activity duration at the bottom of jar is 8 to 12min.
In
above-mentioned (6) step, the weight ratio that adds entry/treatment fluid can be 5 to 6:1; The configuration concentration of treatment fluid is 3000 to 30000ppm; Silicate be sodium metasilicate or/and potassium silicate or/and ammonium silicate; Non-ionic surface active agent be AES or/and AESA or/and K12 or/and K12A or/and AEO-3 or/and AEO-5 or/and AEO-7 or/and AEO-9.
In above-mentioned (7) step, mixture is heated up 45 to 55 ℃,, stir 1 to 2 hour in this temperature; Greasy filth fully mixes with the mud mixture of treatment fluid, and the crude oil in the mud is come out by wash-out; The electric heater that above-mentioned mode of heating carries for the greasy filth agitator, or carry out water-bath through steam or hot water; Or/and in (8) step, described coagulant is aluminium polychloride PAC or polyaluminium sulfate PAS or polymer phosphate aluminium PAP or gathers aluminum chloride sulphate or polyphosphoric acid aluminium chloride or FeSO
4
7H
2
O or Fe (NO
3) 3
9H
2
O.
reasonable and compact in structure of the present invention; Through three motors in the control sewage settling tank on-line cleaning machine realize cleaning the walking of dollies in jar, turn to, the reciprocally swinging of washer jet; The soiling solution that produces is through outside the direct sucking-off jar of siphonage; So the ability on-line cleaning, not only high efficiency has also reduced labour intensity, potential safety hazard and cost of labor.
Description of drawings
accompanying drawing 1 is not for there being the perspective view of cleaning device and cleaning device installing rack in the embodiment of the invention 1.
accompanying drawing 2 is the perspective view of cleaning device and cleaning device installing rack in the embodiment of the invention 1.
accompanying drawing 3 is the process flow diagram of the embodiment of the invention 2.
Coding in
accompanying drawing is respectively: 1 is plunger displacement pump, and 2 is motor, and 3 is water tank, and 4 is first pipeline, and 5 for cleaning dolly, and 6 is second pipeline, and 7 is first Centrifugal Sand Pumps; 8 is the 3rd pipeline, and 9 is the greasy filth agitator, and 10 is the 4th pipeline, and 11 is second Centrifugal Sand Pumps, and 12 is the 5th pipeline, and 13 is mixing agitator, and 14 is the 6th pipeline; 15 is Cyclonic reactor, and 16 is the 7th pipeline, and 17 is filter press, and 18 is the 8th pipeline, and 19 is filter, and 20 is Pressure gauge; 21 is abrasive can, and 22 is funnel, and 23 is first connecting line, and 24 is second connecting line, and 25 is the 3rd connecting line, and 26 is the 4th connecting line; 27 is the 5th connecting line, and 28 is the 6th connecting line, and 29 is the 7th connecting line, and 30 is choke valve, and 31 is check valve, and 32 is overflow valve; 33 is stop valve, and 34 is check (non-return) valve, and 35 is car body, and 36 is transmission device, and 37 is front vehicle wheel, and 38 is rear wheel; 39 is the cleaning device installing rack, and 40 is washer jet, and 41 is fork, and 42 is slide block, and 43 is connecting rod, and 44 is crank; 45 is power transmission shaft, and 46 is guide rail, and 47 is the hydrops cover, and 48 is siphon port, and 49 is the dolly transfer, and 50 is the sewage settling tank.
The specific embodiment
the present invention does not receive the restriction of following embodiment, can confirm concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description 1, as: the position relation of forward and backward, upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
embodiment 1: like accompanying drawing 1, shown in 2, this sewage settling tank on-line cleaning machine comprises car body 35, cleaning device, dolly actuating unit 36, cleaning device power set and motor control assembly; Bottom at car body 35 is separately installed with two front vehicle wheels 37 and two rear wheels 38 from A-P, is installed with cleaning device installing rack 39 at the front end of car body 35, in car body 35, is installed with first motor and second motor; Cleaning device comprises high-pressure hose, washer jet 40, fork 41, slide block 42, connecting rod 43, crank 44 and power transmission shaft 45; One end of power transmission shaft 45 and the power output shaft of first motor are fixedly installed togather through shaft coupling; The other end of power transmission shaft 45 is positioned at cleaning device installing rack 39 and is installed with crank 44; In cleaning device installing rack 39, be installed with guide rail 46; Slide block 42 is installed on the guide rail 46 and can slides along guide rail 46, on crank 44, is hinged with connecting rod 43, and the outer end of connecting rod 43 and slide block 42 are hinged; The fork 41 that is fixed together with slide block 42 is arranged on the guide rail 46 away from slide block 42 1 sides, on fork 41, be installed with washer jet 40; In cleaning device installing rack 39, be installed with hydrops cover 47, siphon port 48 arranged in the upper end of hydrops cover 47; The power intake of the clutch end of second motor and dolly actuating unit 36 is fixedly installed togather; The clutch end of dolly actuating unit 36 and rear wheel 38 are installed together; The signal output part of motor control assembly is electrically connected through the signal input part of the control device that lead is opened, closed with control first motor and second motor respectively.
Can according to actual needs above-mentioned sewage settling tank on-line cleaning and crude oil recovery device be done further to optimize or/and improve:
are installed with the 3rd motor in the car body 35 shown in accompanying drawing 1, the clutch end of dolly transfer 49, the three motors and the power intake of dolly transfer 49 are installed on car body 35 are fixedly installed togather; The clutch end of dolly transfer 49 and front vehicle wheel 37 are installed together; The signal output part of motor control assembly is electrically connected through the signal input part of the control device that lead and control the 3rd motor are opened, closed.
shown in accompanying drawing 1, front vehicle wheel 37 is anti-pulley with rear wheel 38.
embodiment 2: shown in accompanying drawing 3, this sewage settling tank on-line cleaning and crude oil recovery device comprise plunger displacement pump 1, motor 2, water tank 3, sewage settling tank on-line cleaning machine 5, first Centrifugal Sand Pumps 7, greasy filth agitator 9, second Centrifugal Sand Pumps 11, mixing agitator 13, Cyclonic reactor 15, filter press 17, abrasive can 21 and sewage settling tank 50; Sewage settling tank on-line cleaning machine 5 is positioned at sewage settling tank 50; Plunger displacement pump 1 is installed together with motor 2; Be installed with first pipeline 4 on the water sucking mouth of plunger displacement pump 1; The other end of first pipeline 4 is positioned at water tank 3; Be fixed together through second pipeline 6 between the washer jet 40 of plunger displacement pump 1 and sewage settling tank on-line cleaning machine 5; Be fixed together through the 3rd pipeline 8 between the siphon port 48 of sewage settling tank on-line cleaning machine 5 and first Centrifugal Sand Pumps 7, be fixed together through the 4th pipeline 10 between first Centrifugal Sand Pumps 7 and greasy filth agitator 9 tops, greasy filth agitator 9 tops and second Centrifugal Sand Pumps 11 are fixed together through the 5th pipeline 12; Be fixed together through the 6th pipeline 14 between second Centrifugal Sand Pumps 11 and the mixing agitator 13; Be fixed together through the 7th pipeline 16 between mixing agitator 13 and the Cyclonic reactor 15, be fixed together through the 8th pipeline 18 between Cyclonic reactor 15 lower ends and the filter press 17, be installed with filter 19 on first pipeline 4; Be installed with Pressure gauge 20 on second pipeline 6; Be fixedly connected with first connecting line 23 between second pipeline 6 after Pressure gauge 20 and the abrasive can 21, the bottom of abrasive can 21 be connected sewage settling tank on-line cleaning machine 5 before second pipeline 6 between be fixedly connected with between second connecting line, 24, the three pipelines 8 and the 4th pipeline 10 and be fixedly connected with the 6th connecting line 28; Be connected with the 7th connecting line 29 between greasy filth agitator 9 tops and the Cyclonic reactor 15; The top of the top of the top of abrasive can 21, greasy filth agitator 9 and mixing agitator 13 is installed with respectively to be installed with successively on funnel 22, the first connecting lines 23 on choke valve 30 and check valve 31, the second connecting lines 24 and is installed with stop valve 33.
Can according to actual needs above-mentioned sewage settling tank on-line cleaning and crude oil recovery device be done further to optimize or/and improve:
are shown in accompanying drawing 1; Be fixedly connected with the 3rd connecting line 25 between first connecting line 23 between abrasive can 21 and the choke valve; Between second pipeline 6 between the Pressure gauge 20 and first connecting line 23 and water tank 3, be fixedly connected with the 4th connecting line 26; Be fixedly connected with the 5th connecting line 27 between second pipeline 6 between plunger displacement pump 1 and the Pressure gauge 20 and the 4th connecting line 26; The junction that is installed with choke valve 30, the four connecting lines 26 and the 5th connecting line 27 on the 3rd connecting line 25 is installed with on overflow valve 32, the five pipelines 12 and is installed with stop valve 33; Be installed with respectively on check valve 31, the six connecting lines 28 on the 6th pipeline 14, the 7th pipeline 16 and be installed with check (non-return) valve 34.
Embodiment 3: the method for using of a kind of sewage settling tank on-line cleaning and crude oil recovery device: the manhole of sewage settling tank 50 is opened in (1), leaves standstill 5 to 10min, CO, SO in the effluent sewerage settling tank 50
2
, H
2
S, NO
2
Deng pernicious gas; Detect manhole place harmful gas concentration with gas detecting instrument, concentration is lower than 5mg/m
3
Be safety standard.
The tank body bottom will slowly be transferred to from the manhole of sewage settling tank 50 with the car body 35 that equipment, pipeline connect in
(2).
(3) start valve, pilot plunger pump 1 flow: open choke valve 30 and check valve 31 successively, start plunger displacement pump 1, clear water gets into plunger displacement pump 1 from water tank 3 through filter 19 and carries out the supercharging speed-raising; Open overflow valve 32, regulate working flow that each valve makes plunger displacement pump 1 and be 50 to 200L/min, operating pressure is 40 to 70MPa, Pressure gauge 20 monitoring pipe flowing pressures.
Settling tank is cleaned in
(4): in funnel 22, add abrasive material configuration liquid; This abrasive material configuration liquid comprises abrasive material and water, and abrasive material is a quartz sand, and the proportion of the relative water of quartz sand is 0.2 g/L to 2g/L in the configuration liquid; Best proportion is 0.5 to 1 g/L; Treat that it mixes the back and opens stop valve 33 in abrasive can 21, the abundant mixed high-pressure spray erosion liquid of High-Pressure Water and abrasive material is penetrated by washer jet 40, forms Pulsed Abrasive Water Jet; The moving line of car body 35 at the bottom of jar in the starter motor control device control sewage settling tank 50; Each position of cleaning sullage settling tank 50 bottoms.
(5) siphon jet carburetion mud: car body 35 in operation at the bottom of the jar 5 to 15min; The optimal selection time is 8 to 12min; High-pressure spray carries out fragmentation, centrifugation to 50 end of sewage settling tank greasy filth; And make it reach fluidized state, and open check (non-return) valve 34, mixtures such as jar underflow carburetion mud enter into greasy filth agitator 9 through the 3rd pipeline 8; If the siphon insufficient pressure, under the prerequisite that check (non-return) valve 34 is opened, open 7 times 3 of first Centrifugal Sand Pumps to 5min, treat that siphon is effluented to close first Centrifugal Sand Pumps 7 after stable.
(6) add clear water and treatment fluid through funnel 22 respectively to greasy filth agitator 9, the weight ratio that adds entry/treatment fluid is 3 to 10:1; Optimum weight ratio is 5 to 6:1;
The configuration concentration of treatment fluid is 1000 to 80000ppm; Best configuration concentration is 3000 to 30000ppm;
treatment fluid comprises 0.01 to 10wt% the silicate (sodium metasilicate, potassium silicate, ammonium silicate) that accounts for the treatment fluid gross weight, 0.5 to 10wt% non-ionic surface active agent (AES; AESA, K12, K12A; AEO-3, AEO-5, AEO-7; AEO-9), 1 to 10wt% anion surfactant sodium alkyl benzene sulfonate, 0.001 to 10wt% sodium phosphate and 0.001 to 10wt% alkali compounds potassium tert-butoxide, all the other are clear water.
(7) the greasy filth mixture to step (6) heats, and makes 30 to 60 ℃ (preferred 45 to 55 ℃) of mixture intensification, in this temperature, stirs 0.5 to 4 hour (preferred 1 to 2 hour), closes motor during the stirring; Greasy filth fully mixes with the mud mixture of treatment fluid, and the crude oil in the mud is come out by wash-out;
Above-mentioned mode of heating is the electric heater that greasy filth agitator 9 carries, or carries out water-bath through steam or hot water;
(8) after the processing of step (7), the greasy filth mixture enters into mixing agitator 13 through second Centrifugal Sand Pumps 11, after mixture all enters into mixing agitator 13, and actuating motor; Stir on mixing agitator 13 limits, and the limit adds coagulant through funnel 22 in mixing agitator 13, and reaction 5 adds 4 to 15ppm PAMC (PAM) again to 20min, stir 5 again to 10min, carries out Separation of Solid and Liquid;
Described coagulant is that (polymer phosphate aluminium PAP gathers aluminum chloride sulphate, polyphosphoric acid aluminium chloride, FeSO for aluminium polychloride PAC, polyaluminium sulfate PAS for aluminium system or ferric flocculant
4
7H
2
O and Fe (NO
3
)
3
9H
2
O), addition is 20 to 300mg/L;
described Separation of Solid and Liquid is carried out in Cyclonic reactor, is 5min at the hydraulic detention time of Cyclonic reactor, and solidliquid mixture is divided into 3 layers after the cyclonic action, and the upper strata is the sump oil of separating, and the middle level is the sewage layer, and the bottom is a mud; The sump oil that obtains gets into contaminated-oil basin or collects oil storage tank, reclaims; The sewage that obtains gets into the greasy filth agitator of step (6), in oil-containing sludge treating process next time, is utilized again again; The mud oil concentration that obtains gets into filter press less than 1wt%, treats cured or discharging.
Through the processing of step (8), mud gets in the filter press 17
(9), and after the cured, liquid phase gets into sewage treatment plant and handles, and solid phase is sent into to burn in the incinerator or mix after preliminary airing and is used for the processing type caking agent of coal in the coal.
in the present invention: motor control assembly can adopt existing known technology, as: through three motors in the industrial computer control sewage settling tank on-line cleaning machine realize cleaning the walking of dollies in jar, turn to, the reciprocally swinging of washer jet.
above technical characterictic has constituted embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (10)
1. a sewage settling tank on-line cleaning machine is characterized in that comprising car body, cleaning device, dolly actuating unit, cleaning device power set and motor control assembly; Bottom at car body is separately installed with two front vehicle wheels and two rear wheels from A-P, is installed with the cleaning device installing rack at the front end of car body, in car body, is installed with first motor and second motor; Cleaning device comprises high-pressure hose, washer jet, fork, slide block, connecting rod, crank and power transmission shaft; One end of power transmission shaft and the power output shaft of first motor are fixedly installed togather through shaft coupling; The other end of power transmission shaft is positioned at the cleaning device installing rack and is installed with crank, in the cleaning device installing rack, is installed with guide rail, and slide block is installed on the guide rail and can slides along guide rail; On crank, be hinged with connecting rod; The outer end and the slide block of connecting rod are hinged, and the fork that is fixed together with slide block is arranged on the guide rail away from slide block one side, on fork, are installed with washer jet; In the cleaning device installing rack, be installed with the hydrops cover, siphon port arranged in the upper end of hydrops cover; The power intake of the clutch end of second motor and dolly actuating unit is fixedly installed togather; The clutch end and the rear wheel of dolly actuating unit are installed together; The signal output part of motor control assembly is electrically connected through the signal input part of the control device that lead is opened, closed with control first motor and second motor respectively.
2. sewage settling tank on-line cleaning machine according to claim 1; It is characterized in that being installed with in the car body the 3rd motor; The dolly transfer is installed on car body, and the power intake of the clutch end of the 3rd motor and dolly transfer is fixedly installed togather; The clutch end and the front vehicle wheel of dolly transfer are installed together; The signal output part of motor control assembly is electrically connected through the signal input part of lead the 3rd motor.
3. according to the said sewage settling tank of claim 2 on-line cleaning machine, it is characterized in that front vehicle wheel and rear wheel are anti-pulley.
4. a sewage settling tank on-line cleaning and a crude oil recovery device that uses claim 1 or 2 or 3 said sewage settling tank on-line cleaning machines is characterized in that comprising plunger displacement pump, motor, water tank, sewage settling tank on-line cleaning machine, first Centrifugal Sand Pumps, greasy filth agitator, second Centrifugal Sand Pumps, mixing agitator, Cyclonic reactor, filter press, abrasive can and sewage settling tank; Sewage settling tank on-line cleaning machine is positioned at the sewage settling tank; Plunger displacement pump and motor are installed together; Be installed with first pipeline on the water sucking mouth of plunger displacement pump; The other end of first pipeline is positioned at water tank, is fixed together through second pipeline between the washer jet of plunger displacement pump and sewage settling tank on-line cleaning machine, is fixed together through the 3rd pipeline between the siphon port of sewage settling tank on-line cleaning machine and first Centrifugal Sand Pumps; Be fixed together through the 4th pipeline between first Centrifugal Sand Pumps and the greasy filth whip topping; Greasy filth stirs the top and second Centrifugal Sand Pumps is fixed together through the 5th pipeline, is fixed together through the 6th pipeline between second Centrifugal Sand Pumps and the mixing agitator, is fixed together through the 7th pipeline between mixing agitator and the Cyclonic reactor; Be fixed together through the 8th pipeline between Cyclonic reactor lower end and the filter press; Be installed with filter on first pipeline, be installed with Pressure gauge on second pipeline, be fixedly connected with first connecting line between second pipeline after Pressure gauge and the abrasive can; The bottom of abrasive can be connected sewage settling tank on-line cleaning machine before second pipeline between be fixedly connected with second connecting line; Be fixedly connected with the 6th connecting line between the 3rd pipeline and the 4th pipeline, be connected with the 7th connecting line between greasy filth whip topping and the Cyclonic reactor, the top of the top of abrasive can, greasy filth agitator and the top of mixing agitator are installed with funnel respectively; Be installed with choke valve and check valve on first connecting line successively, be installed with stop valve on second connecting line.
5. sewage settling tank on-line cleaning according to claim 4 and crude oil recovery device; It is characterized in that being fixedly connected with the 3rd connecting line between first connecting line between abrasive can and the choke valve; Between second pipeline between the Pressure gauge and first connecting line and water tank, be fixedly connected with the 4th connecting line; Be fixedly connected with the 5th connecting line between second pipeline between plunger displacement pump and the Pressure gauge and the 4th connecting line; Be installed with choke valve on the 3rd connecting line, the junction of the 4th connecting line and the 5th connecting line is installed with overflow valve, is installed with stop valve on the 5th pipeline; Be installed with check valve respectively on the 6th pipeline, the 7th pipeline, be installed with check (non-return) valve on the 6th connecting line.
6. method for using according to any described sewage settling tank on-line cleaning and crude oil recovery device in the claim 4 to 5 is characterized in that being undertaken by following step:
(1) opens the manhole of sewage settling tank, left standstill 5 minutes to 10 minutes, CO, SO in the effluent sewerage settling tank
2, H
2S, NO
2Deng pernicious gas; Detect manhole place harmful gas concentration with gas detecting instrument, concentration is lower than 5mg/m
3Be safety standard;
(2) will slowly transfer to the tank body bottom from the manhole of sewage settling tank with the car body that equipment, pipeline connect;
(3) start valve, the pilot plunger pump discharge: open choke valve and check valve successively, start plunger displacement pump, clear water gets into plunger displacement pump from water tank through filter and carries out the supercharging speed-raising; Open overflow valve, regulate working flow that each valve makes plunger displacement pump and be 50 to 200L/min, operating pressure is 40 to 70MPa, Pressure gauge monitoring pipe flowing pressure;
(4) clean settling tank: in funnel, add abrasive material configuration liquid; This abrasive material configuration liquid comprises abrasive material and water; Abrasive material is a quartz sand, and the proportion of the relative water of quartz sand is 0.2 g/L to 2g/L in the configuration liquid, treats that it mixes the back and opens stop valve in abrasive can; The abundant mixed high-pressure spray erosion liquid of High-Pressure Water and abrasive material is penetrated by washer jet, forms Pulsed Abrasive Water Jet; The moving line of car body at the bottom of jar in the starter motor control device control sewage settling tank; Each position of cleaning sullage settling tank bottom;
(5) siphon jet carburetion mud: car body in operation at the bottom of the jar 5 to 15min; High-pressure spray carries out fragmentation, centrifugation to sewage sedimentation tank bottom oil sludge; And make it reach fluidized state, and open check (non-return) valve, mixtures such as jar underflow carburetion mud enter into the greasy filth agitator through the 3rd pipeline; If the siphon insufficient pressure, under the prerequisite that check (non-return) valve is opened, the first Centrifugal Sand Pumps time 3 of opening is to 5min, treats that siphon is effluented to close first Centrifugal Sand Pumps after stable;
(6) add clear water and treatment fluid through funnel respectively to the greasy filth agitator, the weight ratio that adds entry/treatment fluid is 3 to 10:1;
The configuration concentration of treatment fluid is 1000 to 80000ppm;
Treatment fluid comprises 0.01 to 10wt% the silicate that accounts for the treatment fluid gross weight, 0.5 to 10wt% non-ionic surface active agent, 1 to 10wt% anion surfactant sodium alkyl benzene sulfonate, 0.001 to 10wt% sodium phosphate and 0.001 to 10wt% alkali compounds potassium tert-butoxide, and all the other are clear water;
(7) the greasy filth mixture to step (6) heats, and mixture is heated up 30 to 60 ℃, in this temperature, stirs 0.5 to 4 hour, closes motor during the stirring; Greasy filth fully mixes with the mud mixture of treatment fluid, and the crude oil in the mud is come out by wash-out;
(8) after the processing of step (7), the greasy filth mixture enters into mixing agitator through second Centrifugal Sand Pumps, after mixture all enters into mixing agitator, and actuating motor; Stir on the mixing agitator limit, and the limit adds coagulant through funnel in mixing agitator, and reaction 5 adds 4 to 15ppm PAMC PAM again to 20min, stir 5 again to 10min, carries out Separation of Solid and Liquid;
Described coagulant is aluminium system or ferric flocculant, and addition is 20 to 300mg/L; Described Separation of Solid and Liquid is carried out in Cyclonic reactor, is 5min at the hydraulic detention time of Cyclonic reactor, and solidliquid mixture is divided into 3 layers after the cyclonic action, and the upper strata is the sump oil of separating, and the middle level is the sewage layer, and the bottom is a mud; The sump oil that obtains gets into contaminated-oil basin or collects oil storage tank, reclaims; The sewage that obtains gets into the greasy filth agitator of step (6), in oil-containing sludge treating process next time, is utilized again again; The mud oil concentration that obtains gets into filter press less than 1wt%, treats cured or discharging;
(9) through the processing of step (8), mud gets in the filter press, and after the cured, liquid phase gets into sewage treatment plant and handles, and solid phase is sent into to burn in the incinerator or mix after preliminary airing and is used for the processing type caking agent of coal in the coal.
7. the method for using of sewage settling tank on-line cleaning according to claim 6 and crude oil recovery device is characterized in that in the step of above-mentioned (4) cleaning settling tank, the proportion of the relative water of quartz sand is 0.5 to 1 g/L in the configuration liquid; Or/and in the step of above-mentioned (5) siphon jet carburetion mud, car body activity duration at the bottom of jar is 8 to 12min.
8. according to the method for using of claim 6 or 7 described sewage settling tank on-line cleaning and crude oil recovery device, it is characterized in that in above-mentioned (6) step that the weight ratio that adds entry/treatment fluid is 5 to 6:1; The configuration concentration of treatment fluid is 3000 to 30000ppm; Silicate be sodium metasilicate or/and potassium silicate or/and ammonium silicate; Non-ionic surface active agent be AES or/and AESA or/and K12 or/and K12A or/and AEO-3 or/and AEO-5 or/and AEO-7 or/and AEO-9.
9. according to the method for using of claim 6 or 7 described sewage settling tank on-line cleaning and crude oil recovery device, it is characterized in that in above-mentioned (7) step, mixture is heated up 45 to 55 ℃,, stirred 1 to 2 hour in this temperature; Greasy filth fully mixes with the mud mixture of treatment fluid, and the crude oil in the mud is come out by wash-out; The electric heater that above-mentioned mode of heating carries for the greasy filth agitator, or carry out water-bath through steam or hot water; Or/and in (8) step, described coagulant is aluminium polychloride PAC or polyaluminium sulfate PAS or polymer phosphate aluminium PAP or gathers aluminum chloride sulphate or polyphosphoric acid aluminium chloride or FeSO
47H
2O or Fe (NO
3)
39H
2O.
10. the method for using of sewage settling tank on-line cleaning according to claim 8 and crude oil recovery device is characterized in that in above-mentioned (7) step, and mixture is heated up 45 to 55 ℃, in this temperature, stirs 1 to 2 hour; Greasy filth fully mixes with the mud mixture of treatment fluid, and the crude oil in the mud is come out by wash-out; The electric heater that above-mentioned mode of heating carries for the greasy filth agitator, or carry out water-bath through steam or hot water; Or/and in (8) step, described coagulant is aluminium polychloride PAC or polyaluminium sulfate PAS or polymer phosphate aluminium PAP or gathers aluminum chloride sulphate or polyphosphoric acid aluminium chloride or FeSO
47H
2O or Fe (NO
3)
39H
2O.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334121.6A CN102500141B (en) | 2011-10-28 | 2011-10-28 | Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110334121.6A CN102500141B (en) | 2011-10-28 | 2011-10-28 | Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102500141A true CN102500141A (en) | 2012-06-20 |
| CN102500141B CN102500141B (en) | 2014-01-22 |
Family
ID=46212311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110334121.6A Active CN102500141B (en) | 2011-10-28 | 2011-10-28 | Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102500141B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138491A (en) * | 2017-07-19 | 2017-09-08 | 上海越卓能源科技有限公司 | Horizontal oil storage pot sidewall automatic rinser and its cleaning method |
| US10287477B2 (en) | 2017-02-03 | 2019-05-14 | Saudi Arabian Oil Company | Dispersant in cement formulations for oil and gas wells |
| CN110841987A (en) * | 2019-12-18 | 2020-02-28 | 陕西中建建乐智能机器人有限公司 | Oil smoke pipeline cleaning robot |
| CN112225330A (en) * | 2020-09-18 | 2021-01-15 | 九天起宏(江苏)检测有限公司 | Chemical sewage solid-liquid separator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371765A (en) * | 2001-02-20 | 2002-10-02 | Sk株式会社 | Method for removing deposited slag from crude oil trough and recovering oil from it |
| CN2559435Y (en) * | 2002-08-24 | 2003-07-09 | 胜利油田科华设备仪器有限责任公司 | Automatic cleaning machine for crude oil sample drums |
| WO2007014306A2 (en) * | 2005-07-26 | 2007-02-01 | Davis Chief R | Sewage slurry separation system |
| CN101322887A (en) * | 2008-07-14 | 2008-12-17 | 常州市武进城区污水处理厂 | Cleaning device |
| CN201538740U (en) * | 2009-10-26 | 2010-08-04 | 中国石油天然气股份有限公司 | Drying processing device for oil-bearing sludge produced by tank cleaning |
| CN202277709U (en) * | 2011-10-28 | 2012-06-20 | 克拉玛依市金牛工程建设有限责任公司 | Online cleaning machine for sewage settling tank and device for online cleaning of sewage settling tank and recovery of crude oil |
-
2011
- 2011-10-28 CN CN201110334121.6A patent/CN102500141B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371765A (en) * | 2001-02-20 | 2002-10-02 | Sk株式会社 | Method for removing deposited slag from crude oil trough and recovering oil from it |
| CN2559435Y (en) * | 2002-08-24 | 2003-07-09 | 胜利油田科华设备仪器有限责任公司 | Automatic cleaning machine for crude oil sample drums |
| WO2007014306A2 (en) * | 2005-07-26 | 2007-02-01 | Davis Chief R | Sewage slurry separation system |
| WO2007014306A3 (en) * | 2005-07-26 | 2007-12-06 | Chief R Davis | Sewage slurry separation system |
| CN101322887A (en) * | 2008-07-14 | 2008-12-17 | 常州市武进城区污水处理厂 | Cleaning device |
| CN201538740U (en) * | 2009-10-26 | 2010-08-04 | 中国石油天然气股份有限公司 | Drying processing device for oil-bearing sludge produced by tank cleaning |
| CN202277709U (en) * | 2011-10-28 | 2012-06-20 | 克拉玛依市金牛工程建设有限责任公司 | Online cleaning machine for sewage settling tank and device for online cleaning of sewage settling tank and recovery of crude oil |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10683447B2 (en) | 2017-02-03 | 2020-06-16 | Saudi Arabian Oil Company | Invert emulsion based drilling fluid and methods of using same |
| US10494559B2 (en) | 2017-02-03 | 2019-12-03 | Saudi Arabian Oil Company | Cement slurries, cured cement and methods of making and use thereof |
| US10351750B2 (en) | 2017-02-03 | 2019-07-16 | Saudi Arabian Oil Company | Drilling fluid compositions with enhanced rheology and methods of using same |
| US11365339B2 (en) | 2017-02-03 | 2022-06-21 | Saudi Arabian Oil Company | Development of retarded acid system |
| US10392550B2 (en) | 2017-02-03 | 2019-08-27 | Saudi Arabian Oil Company | Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal |
| US10487254B2 (en) | 2017-02-03 | 2019-11-26 | Saudi Arabian Oil Company | Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore |
| US10494560B2 (en) | 2017-02-03 | 2019-12-03 | Saudi Arabian Oil Company | Development of anti-bit balling fluids |
| US10703957B2 (en) | 2017-02-03 | 2020-07-07 | Saudi Arabian Oil Company | Development of retarded acid system |
| US10526520B2 (en) | 2017-02-03 | 2020-01-07 | Saudi Arabian Oil Company | Anti-bit balling drilling fluids, and methods of making and use thereof |
| US10538692B2 (en) | 2017-02-03 | 2020-01-21 | Saudi Arabian Oil Company | Development of anti-bit balling fluids |
| US10563110B2 (en) | 2017-02-03 | 2020-02-18 | Saudi Arabian Oil Company | Methods of using drilling fluid compositions with enhanced rheology |
| US10570324B2 (en) | 2017-02-03 | 2020-02-25 | Saudi Arabian Oil Company | Emulsifier compositions for invert emulsion fluids and methods of using the same |
| US11248157B2 (en) | 2017-02-03 | 2022-02-15 | Saudi Arabian Oil Company | Emulsifier compositions for invert emulsion fluids and methods of using the same |
| US10822534B2 (en) | 2017-02-03 | 2020-11-03 | Saudi Arabian Oil Company | Retarded acid systems, emulsions, and methods for using in acidizing carbonate formations |
| US10640695B2 (en) | 2017-02-03 | 2020-05-05 | Saudi Arabian Oil Company | Dispersant in cement formulations for oil and gas wells |
| US10662363B2 (en) | 2017-02-03 | 2020-05-26 | Saudi Arabian Oil Company | Lubricants for water-based drilling fluids |
| US10377939B2 (en) | 2017-02-03 | 2019-08-13 | Saudi Arabian Oil Company | Development of anti-bit balling fluids |
| US10287477B2 (en) | 2017-02-03 | 2019-05-14 | Saudi Arabian Oil Company | Dispersant in cement formulations for oil and gas wells |
| US10590325B2 (en) | 2017-02-03 | 2020-03-17 | Saudi Arabian Oil Company | Spacer fluid compositions that include surfactants |
| US10844266B2 (en) | 2017-02-03 | 2020-11-24 | Saudi Arabian Oil Company | Spacer fluids and cement slurries that include surfactants |
| US10851281B2 (en) | 2017-02-03 | 2020-12-01 | Saudi Arabian Oil Company | Development of anti-bit balling fluids |
| US10876028B2 (en) | 2017-02-03 | 2020-12-29 | Saudi Arabian Oil Company | Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore |
| US11098232B2 (en) | 2017-02-03 | 2021-08-24 | Saudi Arabian Oil Company | Lubricants for water-based drilling fluids |
| US10961426B2 (en) | 2017-02-03 | 2021-03-30 | Saudi Arabian Oil Company | Development of anti-bit balling fluids |
| US11015104B2 (en) | 2017-02-03 | 2021-05-25 | Saudi Arabian Oil Company | Cement slurries, cured cements and methods of making and use thereof |
| US11034875B2 (en) | 2017-02-03 | 2021-06-15 | Saudi Arabian Oil Company | Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore |
| US11078396B2 (en) | 2017-02-03 | 2021-08-03 | Saudi Arabian Oil Company | Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal |
| US11078397B2 (en) | 2017-02-03 | 2021-08-03 | Saudi Arabian Oil Company | Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal |
| US11098231B2 (en) | 2017-02-03 | 2021-08-24 | Saudi Arabian Oil Company | Spacer fluid compositions that include surfactants |
| CN107138491A (en) * | 2017-07-19 | 2017-09-08 | 上海越卓能源科技有限公司 | Horizontal oil storage pot sidewall automatic rinser and its cleaning method |
| CN107138491B (en) * | 2017-07-19 | 2023-02-14 | 上海越卓能源科技有限公司 | Automatic cleaning machine for side wall of horizontal oil storage tank and cleaning method thereof |
| CN110841987A (en) * | 2019-12-18 | 2020-02-28 | 陕西中建建乐智能机器人有限公司 | Oil smoke pipeline cleaning robot |
| CN112225330A (en) * | 2020-09-18 | 2021-01-15 | 九天起宏(江苏)检测有限公司 | Chemical sewage solid-liquid separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102500141B (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202785917U (en) | Oily sludge purifying treatment system | |
| CN109574458B (en) | Treatment method and device for oily sludge | |
| CN103449690A (en) | Purifying treatment method for oil-containing sludge | |
| CN102500141B (en) | Sewage precipitation tank online washing machine, device for online washing of sewage precipitation tank and recycling of crude oil and using method | |
| CN201245484Y (en) | Integrated sewage purification processing unit for architectural engineering | |
| CN101250420A (en) | Method and system for processing oil-containing sludge | |
| CN202284175U (en) | Oily sludge treatment device | |
| CN202508946U (en) | Shale gas and oil well fracturing waste liquor recycling system | |
| CN209602346U (en) | A kind of oil sludge and sand minimizing processing unit | |
| CN108423950A (en) | Oil recovery factory's oil-bearing sludge treatment equipment | |
| CN201963229U (en) | Low-temperature moving type slurry purification system | |
| CN202277709U (en) | Online cleaning machine for sewage settling tank and device for online cleaning of sewage settling tank and recovery of crude oil | |
| CN203845894U (en) | Laboratory inorganic wastewater treatment device | |
| CN205575826U (en) | Anti - flowing back processing system of sled multi -functional fracturing of dress formula | |
| CN208916952U (en) | Mine water integrated combination settler | |
| CN218988930U (en) | Magnetic coagulation sedimentation mechanism | |
| CN101962599A (en) | Complete equipment for refining commercial grease by utilizing illegal cooking oil and method thereof | |
| CN201372237Y (en) | Waste liquid treatment device for car-based oilfield operation | |
| CN105621831A (en) | Crude oil storage tank cleaning and oil sludge treatment system | |
| CN205778644U (en) | A kind of oil drilling liquid waste treatment system | |
| CN203411445U (en) | Two-stage separation treatment equipment for oily sludge | |
| CN201695018U (en) | Complete equipment utilizing waste oil to refine commercial grease | |
| CN106116073A (en) | A kind of environment-friendly type oil sludge processing system and technique | |
| CN201338960Y (en) | Multifunctional waste water processor | |
| CN212293112U (en) | Coal-containing wastewater treatment device of power plant coal conveying purification station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |