CN106246157B - Skid acid preparing device and its complex acid method - Google Patents
Skid acid preparing device and its complex acid method Download PDFInfo
- Publication number
- CN106246157B CN106246157B CN201610638794.3A CN201610638794A CN106246157B CN 106246157 B CN106246157 B CN 106246157B CN 201610638794 A CN201610638794 A CN 201610638794A CN 106246157 B CN106246157 B CN 106246157B
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- Prior art keywords
- acid
- solenoid valve
- agitation tank
- tank
- vacuum tube
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- 239000002253 acid Substances 0.000 title claims abstract description 189
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000013019 agitation Methods 0.000 claims abstract description 95
- 239000000843 powder Substances 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 30
- 238000013459 approach Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Soft Magnetic Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of skid acid preparing device and its complex acid methods, are related to complex acid field, comprising: Agitation Tank is closed structure and is equipped with acid inlet tube road and inlet pipeline, and acid inlet tube road is equipped with the first solenoid valve, and inlet pipeline is equipped with second solenoid valve.Inhale acid system comprising the first vacuum tube and the first acid suction hose road, the first vacuum tube equipped with the 4th solenoid valve are connected with Agitation Tank, and third solenoid valve is equipped between the first vacuum tube and Agitation Tank, and the first acid suction hose road is equipped with the 5th solenoid valve.Pumped vacuum systems comprising be connected with each other vacuum pump and surge tank, surge tank are connected with the first vacuum tube and Agitation Tank respectively, the 6th solenoid valve is equipped between surge tank and the first vacuum tube, the 7th solenoid valve and the 8th solenoid valve are equipped between surge tank and Agitation Tank.Powder system is connected with Agitation Tank, and the 9th solenoid valve is equipped between powder system and Agitation Tank.The present invention can effectively reduce contact of the human body with acid solution, ensure personal safety and can guarantee with liquid quality.
Description
Technical field
The present invention relates to complex acid fields, and in particular to a kind of skid acid preparing device and its complex acid method.
Background technique
Pressure break and acidification are the most effective measures of current oil, oil/gas well stimulation and water injection well stimulation.Fracturing process is to utilize height
Press liquid (fracturing fluid) causes crack or extension original crack in shaft bottom production layer, then with proppant pack, to form Thief zone
Rate region.Acidization is then to inject acid solution to shaft bottom, to release shaft bottom blocking or dissolve a part of stratum rock particles, thus
Improve reservoir permeability.
In recent years, a kind of effective ways of acid fracturing Combined Treatment, i.e. ACID FRACTURING TECHNOLOGY have been developed in fractured limestone.
After acid fracturing is handled, the channel that flow conductivity is strong, crack is long can be obtained, effect of increasing production is good.In order to ensure pressure break, acidification or acid fracturing
It constructs successfully, the construction liquid quality of configured in advance is to influence the key factor of construction success or failure.
When underground work is in operation, need situ configuration mix acid liquor, be at the top of Agitation Tank used at present it is open,
Medium due to highly volatiles such as hydrofluoric acid, and all may be people comprising hydrofluoric acid, hydrochloric acid, nitric acid etc. in operation process in tank
Work operation, the gas evaporateing into air can burn human skin, tissue and eyes, or even cause death, therefore equipment deficiency
Occupational disease is easily caused, potential danger is belonged to；Secondly, needing worker manually plastics during carrying out to Agitation Tank with liquid
The strong acid being equipped in container is poured in Agitation Tank, also has strong acid to evaporate when toppling over, and the duration is longer, worker's labour
Intensity is big.
Summary of the invention
In view of the deficiencies in the prior art, human body and acid solution can be effectively reduced the purpose of the present invention is to provide a kind of
Contact, the skid acid preparing device ensured personal safety.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of skid acid preparing device, comprising:
Agitation Tank, the Agitation Tank is closed structure, and the Agitation Tank is equipped with acid inlet tube road and inlet pipeline, described
Acid inlet tube road is equipped with the first solenoid valve, and the inlet pipeline is equipped with second solenoid valve；
Inhale acid system comprising the first vacuum tube and the first acid suction hose road being arranged on first vacuum tube, institute
It states the first vacuum tube to be connected with the Agitation Tank, is equipped with third solenoid valve between first vacuum tube and Agitation Tank, described the
One vacuum tube is equipped with the 4th solenoid valve, and the first acid suction hose road is equipped with the 5th solenoid valve；
Pumped vacuum systems comprising be connected with each other vacuum pump and surge tank, the surge tank respectively with first vacuum
Pipe is connected with Agitation Tank, equipped with the 6th solenoid valve between the surge tank and the first vacuum tube, the surge tank and Agitation Tank it
Between be equipped with the 7th solenoid valve and the 8th solenoid valve；And
Powder system is connected with the Agitation Tank, and the 9th solenoid valve is equipped between the powder system and Agitation Tank.
Based on the above technical solution, the skid acid preparing device further includes acid gas neutralized system, in the acid gas
Include lye pond and the monitoring instrument that is arranged in the lye pond with system, the lye pond respectively with the Agitation Tank and very
Sky pump is connected.
Based on the above technical solution, the skid acid preparing device further includes transportation system, the transportation system packet
The transfer pipeline for including the first centrifugal pump and being arranged on first centrifugal pump, first centrifugal pump and the Agitation Tank phase
Even, the 8th solenoid valve is equipped between first centrifugal pump and Agitation Tank.
Based on the above technical solution, the skid acid preparing device further includes acid cycle system, and the acid solution is followed
Loop system includes circulation line and the second centrifugal pump, and described circulation line one end is connected with the Agitation Tank, the other end with it is described
Second centrifugal pump is connected, and the circulation line is equipped with the tenth solenoid valve, and second centrifugal pump is also connected with the Agitation Tank.
Based on the above technical solution, the powder system includes powder material tank and screw conveyor interconnected,
The screw conveyor is connected with the Agitation Tank, and the 9th solenoid valve is equipped between the screw conveyor and Agitation Tank.
Based on the above technical solution, the suction acid system further includes second be arranged on first vacuum tube
Acid suction hose road, the second acid suction hose road are equipped with the 12nd solenoid valve.
Based on the above technical solution, the suction acid system further includes the second vacuum tube and is arranged described second
Third acid suction hose road on vacuum tube, second vacuum tube are connected with the Agitation Tank and surge tank respectively, and described second is true
It is equipped with the 13rd solenoid valve between blank pipe and Agitation Tank, the 14th solenoid valve is equipped between second vacuum tube and surge tank,
Second vacuum tube is equipped with the 15th solenoid valve, and the third acid suction hose road is equipped with the 16th solenoid valve.
Based on the above technical solution, the suction acid system further includes the 4 be arranged on second vacuum tube
Acid suction hose road, the 4th acid suction hose road are equipped with the 17th solenoid valve.
Based on the above technical solution, spray tube is additionally provided on the Agitation Tank.
At the same time, the object of the invention is also to provide a kind of contact that can effectively reduce human body with acid solution, guarantors
Body safety and it can guarantee the complex acid method with liquid quality.
To achieve the above objectives, the technical solution adopted by the present invention is that: it is a kind of using above-mentioned skid acid preparing device complex acid
Method, comprising the following steps:
Second solenoid valve is opened, turns off second solenoid valve after so that a certain amount of water is entered Agitation Tank；
The first solenoid valve is opened, turns off the first solenoid valve after so that a certain amount of main acid is entered Agitation Tank；
The quick-actuating closure for opening powder material tank, powder is poured into powder material tank, and close quick-actuating closure；
Start screw conveyor, open the 9th solenoid valve, powder carry into Agitation Tank, closes spiral shell after reaching a certain amount of
Revolve conveyer and the 9th solenoid valve；
Vacuum pump is opened, vacuum pump is closed after so that the vacuum degree of surge tank and the first vacuum tube is reached certain value, by first
The auxiliary sour bucket of acid suction hose road insertion, opens the 5th solenoid valve and the 6th solenoid valve, simultaneously closes off third solenoid valve and the 4th solenoid valve,
First vacuum tube sucks auxiliary acid by the first acid suction hose road；
After sucking a certain amount of auxiliary acid in the first vacuum tube, the 5th solenoid valve and the 6th solenoid valve are closed, is opened simultaneously
Third solenoid valve and the 4th solenoid valve flow into the auxiliary acid in the first vacuum tube in Agitation Tank；
The tenth solenoid valve is opened, the second centrifugal pump is opened, is sufficiently mixed main acid, auxiliary acid, water and powder；
The first centrifugal pump is opened, mixed main acid, auxiliary acid, water and powder are transported to fluid reservoir by transfer pipeline
In.
Compared with the prior art, the advantages of the present invention are as follows:
(1) skid acid preparing device of the invention includes Agitation Tank, and wherein Agitation Tank is closed structure, compared to traditional opening
Formula Agitation Tank has completely cut off contact of the acid solution acid gas with operator, ensures personal safety and Environmental security.
(2) Agitation Tank in the present invention is additionally provided with spray tube, when skid acid preparing device comes back to the base, by spray tube and water
Pump is connected, and squeezes into water jets under high pressure by water pump effect and cleans to the acid solution on Agitation Tank, keeps the acid on Agitation Tank tank skin residual
Under liquid stream, pools together and finally taken out.And traditional approach is to be manually entered cleaning in tank, jeopardizes personal safety, thus it is of the invention
It is more safe and reliable than past artificial flushing acid solution.
(3) pumped vacuum systems in the present invention vacuumizes surge tank using vacuum pump, and surge tank is long when complex acid being made to work
Phase is in negative pressure, provides power to inhale acid system.And traditional approach is all by manually toppling over auxiliary acid with liquid, operator and acid solution
It directly contacts, endangers health.To which the present invention can effectively reduce contact of the human body with acid solution, personal safety ensure that.
(4) the acid gas neutralized system in the present invention comprising lye pond and the monitoring instrument being arranged in lye pond.Lye
The acid gas in acid gas and Agitation Tank that vacuum pump is extracted in pond out neutralizes.Lye carries out pH value by monitoring instrument and supervises in real time
It surveys, the meeting automatic alarm when pH value is 7 prompts to need to change lye.Traditional approach since Agitation Tank is open tank, acid gas directly with
Atmosphere is identical, endangers personal safety, pollutes environment.Recycling by this system to acid solution, it is free from environmental pollution, guarantee person peace
Entirely.
(5) powder system in the present invention includes powder material tank and screw conveyor, by screw conveyor powder carry
To Agitation Tank, the sucking of powder can be realized by powder system.Traditionally powder is by way of manually toppling over powder
Powder in bag directly pours into Agitation Tank, and people is easy to contact with acid, after powder system, it is only necessary to which powder is poured into powder
Tank avoids people and contacts with the direct of acid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of skid acid preparing device in the present invention.
In figure: 1- Agitation Tank, 11- acid inlet tube road, 12- inlet pipeline, 13- spray tube, 2- inhale acid system, and 21- first is true
Blank pipe, the first acid suction hose of 22- road, the second acid suction hose of 23- road, the second vacuum tube of 24-, 25- third acid suction hose road, 26- the 4th inhale
Acid tube road, 3- pumped vacuum systems, 31- vacuum pump, 32- surge tank, 4- acid gas neutralized system, 41- lye pond, 42- monitor
Device, 5- powder system, 51- powder material tank, 52- screw conveyor, 6- transportation system, the first centrifugal pump of 61-, 62- transfer pipeline,
7- acid cycle system, 71- circulation line, the second centrifugal pump of 72-, the auxiliary sour tank of 8-, 9- fluid reservoir, the first solenoid valve of 101-,
102- second solenoid valve, 103- third solenoid valve, the 4th solenoid valve of 104-, the 5th solenoid valve of 105-, the 6th solenoid valve of 106-,
The 7th solenoid valve of 107-, the 8th solenoid valve of 108-, the 9th solenoid valve of 109-, the tenth solenoid valve of 110-, the 12nd electromagnetism of 112-
Valve, the 13rd solenoid valve of 113-, the 14th solenoid valve of 114-, the 15th solenoid valve of 115-, the 16th solenoid valve of 116-, 117-
17 solenoid valves.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Shown in Figure 1, the present invention provides a kind of skid acid preparing device comprising Agitation Tank 1 inhales acid system 2, vacuumizes
System 3, acid gas neutralized system 4, powder system 5, transportation system 6 and acid cycle system 7.
Agitation Tank 1 is closed structure, compared to traditional opened type Agitation Tank, has completely cut off connecing for acid solution acid gas and operator
Touching, ensures personal safety and Environmental security.Agitation Tank 1 is equipped with acid inlet tube road 11 and inlet pipeline 12, and acid inlet tube road 11 is equipped with
First solenoid valve 101, inlet pipeline 12 are equipped with second solenoid valve 102.Acid inlet tube road 11, which is mainly used to input to Agitation Tank 1, leads
Acid, the present invention in it is main acid be hydrochloric acid.The first solenoid valve 101 is opened, can be controlled by flowmeter into 1 inner salt of Agitation Tank
The deal of acid.Inlet pipeline 12 is used to input water to Agitation Tank 1, and deal can be determined by the liquid level of Agitation Tank 1.
Agitation Tank 1 in the present invention is additionally provided with spray tube 13, when skid acid preparing device comes back to the base, by spray tube 13 with
Water pump is connected, and squeezes into water jets under high pressure by water pump effect and cleans to the acid solution on Agitation Tank 1, makes on 1 tank skin of Agitation Tank
Under sour raffinate stream, pools together and be finally pumped.And traditional approach is to be manually entered cleaning in tank, jeopardizes personal safety, therefore
The present invention is more safe and reliable than artificial flushing acid solution in the past.
Inhale acid system 2 comprising the first vacuum tube 21 and the first acid suction hose road 22 being arranged on the first vacuum tube 21,
First vacuum tube 21 is connected by pipeline and third solenoid valve 103 with Agitation Tank 1, and the first vacuum tube 21 is equipped with the 4th solenoid valve
104, the first acid suction hose road 22 is equipped with the 5th solenoid valve 105.
Pumped vacuum systems 3 comprising the vacuum pump 31 and surge tank 32 being connected by pipeline, and surge tank 32 passes through pipeline
Be connected with the 6th solenoid valve 106 with the first vacuum tube 21, and by pipeline and the 7th solenoid valve 107 and the 8th solenoid valve 108 with
Agitation Tank 1 is connected.Pumped vacuum systems 3 mainly vacuumizes surge tank 32 using vacuum pump 31, surge tank when complex acid being made to work
32 are chronically at negative pressure, provide power to inhale acid system 2.
After pumped vacuum systems 3 is run, formed in first vacuum tube 21 after the first vacuum tube 21 is connected to surge tank 32
Vacuum is inserted into the first acid suction hose road 22 in auxiliary sour tank 8, and auxiliary acid enters the first vacuum tube 21 under external pressure, while can
To be measured by the way that flowmeter is arranged on the first acid suction hose road 22.It is equipped with ball-cock assembly in first vacuum tube 21, first can be prevented
21 acid solution overfill of vacuum tube.When reaching highest liquid level in the first vacuum tube 21 or inhaling acid to after measuring, passes through and open the 4th solenoid valve
104 communicate the first vacuum tube 21 with air, while opening third solenoid valve 103, then the acid solution in the first vacuum tube 21 is in weight
Power effect is lower to be entered in Agitation Tank 1.Traditional approach is all by manually toppling over auxiliary acid with liquid, and operator directly contacts with acid solution,
Endanger health.And the present invention can effectively reduce contact of the human body with acid solution, to ensure personal safety.
In order to accelerate the speed that the present invention sucks auxiliary acid, the suction acid system 2 in the present invention further includes being arranged in the first vacuum
The second acid suction hose road 23 on pipe 21, the second acid suction hose road 23 are equipped with the 12nd solenoid valve 112.
Further, inhaling acid system 2 further includes that the second vacuum tube 24 and the third being arranged on the second vacuum tube 24 are inhaled
Acid tube road 25, the second vacuum tube 24 are connected by pipeline and the 13rd solenoid valve 113 with Agitation Tank 1, and pass through pipeline and the tenth
Four solenoid valves 114 are connected with surge tank 32, and the second vacuum tube 24 is equipped with the 15th solenoid valve 115, set on third acid suction hose road 25
There is the 16th solenoid valve 116.Inhaling acid system 2 further includes the 4th acid suction hose road 26 being arranged on the second vacuum tube 24, and the 4th inhales
Acid tube road 26 is equipped with the 17th solenoid valve 117.
The principle and structure of second vacuum tube 24 are identical as the first vacuum tube 21, and as needed, the first vacuum tube 21 can
Can also be operated simultaneously with the alternation of the second vacuum tube 24.
Acid gas neutralized system 4 comprising lye pond 41 and the monitoring instrument 42 being arranged in lye pond 41, lye pond 41 are logical
Pipeline is crossed to be connected with Agitation Tank 1 and vacuum pump 31 respectively.The acid in acid gas and Agitation Tank 1 that vacuum pump 31 is extracted in lye pond 41 out
Gas is neutralized.Lye carries out pH value real-time monitoring by monitoring instrument 42, and the meeting automatic alarm when pH value is 7 prompts to need more
Change lye.For traditional approach since Agitation Tank is open tank, acid gas is directly identical as atmosphere, endangers personal safety, pollutes environment.It is logical
Recycling of this system to acid solution is crossed, it is free from environmental pollution, it ensures personal safety.
Transportation system 6 comprising the first centrifugal pump 61 and the transfer pipeline 62 being arranged on the first centrifugal pump 61, first
Centrifugal pump 61 is connected by pipeline and the 8th solenoid valve 108 with Agitation Tank 1.Transportation system 6 passes through first after complex acid
61 acid solutions prepared of centrifugal pump squeeze into fluid reservoir 9, and the acid solution in simultaneous buffering tank 32 squeezes into storage also by the first centrifugal pump 61
Flow container 9.
Powder system 5 is connected by pipeline and the 9th solenoid valve 109 with Agitation Tank 1.Specifically, the powder in the present invention
Material system 5 includes the powder material tank 51 and screw conveyor 52 being connected by pipeline, and screw conveyor 52 passes through pipeline and the 9th electricity
Magnet valve 109 is connected with Agitation Tank 1.It, can by powder system 5 by screw conveyor 52 powder carry to Agitation Tank 1
Realize the sucking of powder.Traditionally powder is that the powder in powder bag is directly poured into Agitation Tank 1 by way of manually toppling over
In, people is easy to contact with acid, after powder system 5, it is only necessary to powder be poured into powder material tank 51, avoid people and acid
Directly contact.
Acid cycle system 7 comprising circulation line 71 and the second centrifugal pump 72,71 one end of circulation line and Agitation Tank 1
It is connected, the other end is connected by the tenth solenoid valve 110 with the second centrifugal pump 72, and the second centrifugal pump 72 passes through pipeline and Agitation Tank 1
It is connected.Second centrifugal pump 72 enters and leaves the liquid circulation in Agitation Tank 1, so that powder and thickening agent is sufficiently dissolved mixing, simultaneously
It is able to maintain the continuous mobile without precipitating of undissolved particle.Traditional approach is due to no special stirring, this acid cycle system 7
By allowing powder and thickening agent to be sufficiently mixed, guarantee to match liquid quality, while the clean and maintenance later to Agitation Tank 1 carries out place mat.
The present invention also provides a kind of methods for carrying out complex acid using above-mentioned skid acid preparing device, comprising the following steps:
Second solenoid valve 102 is opened, second solenoid valve 102 is turned off after so that a certain amount of water is entered Agitation Tank 1；
The first solenoid valve 101 is opened, turns off the first solenoid valve 101 after so that a certain amount of main acid is entered Agitation Tank 1；
The quick-actuating closure for opening powder material tank 51, powder is poured into powder material tank 51, and close quick-actuating closure；
Start screw conveyor 52, opens the 9th solenoid valve 109 and reach a certain amount of powder carry into Agitation Tank 1
Screw conveyor 52 and the 9th solenoid valve 109 are closed afterwards；
Vacuum pump 31 is opened, the vacuum degree of surge tank 32 and the first vacuum tube 21 is made to close vacuum pump after reaching certain value
31, auxiliary sour bucket is inserted on the first acid suction hose road 22, the 5th solenoid valve 105 and the 6th solenoid valve 106 is opened, simultaneously closes off third electricity
Magnet valve 103 and the 4th solenoid valve 104, the first vacuum tube 21 suck auxiliary acid by the first acid suction hose road 22；
After sucking a certain amount of auxiliary acid in the first vacuum tube 21, the 5th solenoid valve 105 and the 6th solenoid valve 106 are closed,
Third solenoid valve 103 and the 4th solenoid valve 104 are opened simultaneously, flows into the auxiliary acid in the first vacuum tube 21 in Agitation Tank 1；
The tenth solenoid valve 110 is opened, the second centrifugal pump 72 is opened, is sufficiently mixed main acid, auxiliary acid, water and powder；
The first centrifugal pump 61 is opened, mixed main acid, auxiliary acid, water and powder are transported to liquid storage by transfer pipeline 62
In tank 9.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (6)
1. a kind of skid acid preparing device characterized by comprising
Agitation Tank (1), the Agitation Tank (1) is closed structure, and the Agitation Tank (1) is equipped with acid inlet tube road (11) and intakes
Pipeline (12), the acid inlet tube road (11) are equipped with the first solenoid valve (101), and the inlet pipeline (12) is equipped with second solenoid valve
(102)；
It inhales acid system (2) comprising the first vacuum tube (21) and the first suction acid being arranged on first vacuum tube (21)
Pipeline (22), first vacuum tube (21) are connected with the Agitation Tank (1), first vacuum tube (21) and Agitation Tank (1)
Between be equipped with third solenoid valve (103), first vacuum tube (21) be equipped with the 4th solenoid valve (104), first acid suction hose
Road (22) is equipped with the 5th solenoid valve (105)；
Pumped vacuum systems (3) comprising vacuum pump (31) interconnected and surge tank (32), the surge tank (32) is respectively
It is connected with first vacuum tube (21) and Agitation Tank (1), the is equipped between the surge tank (32) and the first vacuum tube (21)
Six solenoid valves (106) are equipped with the 7th solenoid valve (107) and the 8th solenoid valve between the surge tank (32) and Agitation Tank (1)
(108)；
Acid gas neutralized system (4), the acid gas neutralized system (4) include lye pond (41) and setting in the lye pond (41)
Monitoring instrument (42), the lye pond (41) is connected with the Agitation Tank (1) and vacuum pump (31) respectively；
Powder system (5), the powder system (5) include powder material tank interconnected (51) and screw conveyor (52), described
Screw conveyor (52) is connected with the Agitation Tank (1), and the 9th electricity is equipped between the screw conveyor (52) and Agitation Tank (1)
Magnet valve (109)；
Transportation system (6), the transportation system (6) include the first centrifugal pump (61) and are arranged in first centrifugal pump (61)
On transfer pipeline (62), first centrifugal pump (61) is connected with the Agitation Tank (1), first centrifugal pump (61) and matches
The 8th solenoid valve (108) is equipped between flow container (1)；And
Acid cycle system (7), the acid cycle system (7) include circulation line (71) and the second centrifugal pump (72), described
Circulation line (71) one end is connected with the Agitation Tank (1), and the other end is connected with second centrifugal pump (72), the circulation pipe
Road (71) is equipped with the tenth solenoid valve (110), and second centrifugal pump (72) is also connected with the Agitation Tank (1).
2. skid acid preparing device as described in claim 1, it is characterised in that: the suction acid system (2) further includes being arranged in institute
The second acid suction hose road (23) on the first vacuum tube (21) is stated, second acid suction hose road (23) is equipped with the 12nd solenoid valve
(112)。
3. skid acid preparing device as described in claim 1, it is characterised in that: the suction acid system (2) further includes the second vacuum
The third acid suction hose road (25) managing (24) and being arranged on second vacuum tube (24), second vacuum tube (24) is respectively
It is connected with the Agitation Tank (1) and surge tank (32), the 13rd electricity is equipped between second vacuum tube (24) and Agitation Tank (1)
Magnet valve (113) is equipped with the 14th solenoid valve (114) between second vacuum tube (24) and surge tank (32), described second is true
Blank pipe (24) is equipped with the 15th solenoid valve (115), and third acid suction hose road (25) is equipped with the 16th solenoid valve (116).
4. skid acid preparing device as claimed in claim 3, it is characterised in that: the suction acid system (2) further includes being arranged in institute
The 4th acid suction hose road (26) on the second vacuum tube (24) is stated, the 4th acid suction hose road (26) is equipped with the 17th solenoid valve
(117)。
5. skid acid preparing device as described in claim 1, it is characterised in that: be additionally provided with spray tube on the Agitation Tank (1)
(13)。
6. a kind of method using skid acid preparing device complex acid described in claim 1, which comprises the following steps:
It opens second solenoid valve (102), second solenoid valve (102) is turned off after so that a certain amount of water is entered Agitation Tank (1)；
The first solenoid valve (101) are opened, turn off the first solenoid valve (101) after so that a certain amount of main acid is entered Agitation Tank (1)；
The quick-actuating closure for opening powder material tank (51), powder is poured into powder material tank (51), and close quick-actuating closure；
Start screw conveyor (52), opens the 9th solenoid valve (109) in powder carry to Agitation Tank (1) and reach a certain amount of
Screw conveyor (52) and the 9th solenoid valve (109) are closed afterwards；
It opens vacuum pump (31), the vacuum degree of surge tank (32) and the first vacuum tube (21) is made to close vacuum pump after reaching certain value
(31), by the auxiliary sour bucket of the first acid suction hose road (22) insertion, the 5th solenoid valve (105) and the 6th solenoid valve (106) is opened, is closed simultaneously
Third solenoid valve (103) and the 4th solenoid valve (104) are closed, the first vacuum tube (21) sucks auxiliary by the first acid suction hose road (22)
Acid；
After sucking is a certain amount of auxiliary sour in the first vacuum tube (21), the 5th solenoid valve (105) and the 6th solenoid valve are closed
(106), third solenoid valve (103) and the 4th solenoid valve (104) are opened simultaneously, the auxiliary acid in the first vacuum tube (21) is flowed into and matches
In flow container (1)；
The tenth solenoid valve (110) is opened, is opened the second centrifugal pump (72), main acid, auxiliary acid, water and powder are sufficiently mixed；
The first centrifugal pump (61) are opened, mixed main acid, auxiliary acid, water and powder are transported to liquid storage by transfer pipeline (62)
In tank (9)；
The acid gas in the Agitation Tank (1) is neutralized using acid gas neutralized system (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638794.3A CN106246157B (en) | 2016-08-05 | 2016-08-05 | Skid acid preparing device and its complex acid method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638794.3A CN106246157B (en) | 2016-08-05 | 2016-08-05 | Skid acid preparing device and its complex acid method |
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| CN106246157A CN106246157A (en) | 2016-12-21 |
| CN106246157B true CN106246157B (en) | 2019-08-30 |
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| CN110685660B (en) * | 2019-11-01 | 2024-04-16 | 西南石油大学 | Device and method for realizing accurate control of concentration of sand-carrying fluid in proppant conveying experiment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966810A (en) * | 2015-07-15 | 2015-10-07 | 天津盛杰科技发展有限公司 | Novel movable acid absorption device |
| CN205314976U (en) * | 2016-01-11 | 2016-06-15 | 湖北中油科昊机械制造有限公司 | Automatic complex acid high -pressure injection sled |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040008571A1 (en) * | 2002-07-11 | 2004-01-15 | Coody Richard L. | Apparatus and method for accelerating hydration of particulate polymer |
| CN1548701A (en) * | 2003-05-18 | 2004-11-24 | 兰州矿场机械有限公司 | Fracturing fluid preparing truck used for petroleum mining field and method for preparing fracturing fluid |
| CN201486535U (en) * | 2009-08-20 | 2010-05-26 | 刘仲锋 | Movable landing oil self-absorption device |
| CN204140048U (en) * | 2014-09-20 | 2015-02-04 | 中原特种车辆有限公司 | Fracturing fluid blending device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966810A (en) * | 2015-07-15 | 2015-10-07 | 天津盛杰科技发展有限公司 | Novel movable acid absorption device |
| CN205314976U (en) * | 2016-01-11 | 2016-06-15 | 湖北中油科昊机械制造有限公司 | Automatic complex acid high -pressure injection sled |
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