CN220990611U

CN220990611U - Salt-resistant polymer fracturing fluid continuous fluid preparation and supply device

Info

Publication number: CN220990611U
Application number: CN202323052773.8U
Authority: CN
Inventors: 张曼; 刘辉; 匡淑华
Original assignee: Shanghai Shiyin Environmental Protection Technology Co ltd
Current assignee: Shanghai Shiyin Environmental Protection Technology Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-05-24
Anticipated expiration: 2033-11-13

Abstract

The utility model discloses a continuous liquid preparation and supply device for salt-resistant polymer fracturing liquid, which comprises a supporting plate, wherein a liquid storage tank is fixedly connected to the right side of the top of the supporting plate and used for storing the fracturing liquid, a liquid preparation mixing tank with an opening at the top is fixedly arranged at the top of the supporting plate and used for carrying out liquid preparation and mixing on the fracturing liquid, the inner wall of the bottom of the liquid preparation mixing tank is of a conical structure, and a pumping mechanism is fixedly communicated with the bottom of the liquid preparation mixing tank. According to the utility model, through a series of structural arrangement, the fracturing fluid can be automatically and continuously prepared and stored for feeding, personnel are not required to observe and prepare the fracturing fluid independently, the degree of automation is improved, the labor intensity is reduced, the agglomerated powder can be crushed before the preparation of the fracturing fluid, the condition that the agglomerated powder enters a subsequent liquid preparation mixing box can be effectively reduced, and the condition that the subsequent mixing is uneven due to the agglomerated powder is further reduced.

Description

Salt-resistant polymer fracturing fluid continuous fluid preparation and supply device

Technical Field

The utility model relates to the technical field of fracturing fluid preparation and supply equipment, in particular to a continuous preparation and supply device for salt-resistant polymer fracturing fluid.

Background

The salt-resistant polymer fracturing fluid is a special oilfield chemical, is mainly used for hydraulic fracturing operation, has the characteristic of insensitivity to salt and high temperature, can keep higher viscosity in high-mineralization brine and wastewater, solves the difficulty that conventional products have almost no viscosity in the high-mineralization brine and wastewater, generally adopts polymer fine powder to prepare the solution in the preparation process of the salt-resistant polymer fracturing fluid, needs a preparation device in the preparation process, and is used for conveniently supplying the solution in the use process, the preparation device and the supply device are generally combined, and the preparation device and the supply device of the salt-resistant polymer fracturing fluid in the prior art have the following defects in the use process: 1. the fracturing fluid dispensing device does not have the continuity of fluid dispensing, can not automatically dispense fluid in time after the fracturing fluid in the fluid supply tank is used, needs personnel to observe at any time and dispense fluid independently, and has low degree of automation; 2. the polymer fine powder can appear the caking in long-time placement, and the liquid preparation device in prior art lacks the structure to the broken of caking fine powder before preparing liquid, and the in-process that the stirring was mixed in the liquid preparation case is entered into to the polymer fine powder of caking, has the condition that the misce bene is not ideal, can not satisfy the user demand, combines the above-mentioned condition, consequently we have provided a salt-resistant polymer fracturing fluid continuous liquid preparation feed device.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a continuous liquid preparation and supply device for salt-resistant polymer fracturing liquid.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a continuous liquid feed arrangement that prepares of salt-resistant polymer fracturing fluid, includes the backup pad, the top right side fixedly connected with liquid reserve tank of backup pad, the liquid reserve tank is used for carrying out the storage operation to fracturing fluid, the top fixed mounting of backup pad has the liquid mixing box of preparing that the top is the opening setting, liquid mixing box is used for preparing the liquid mixture to fracturing fluid, the bottom inner wall of liquid mixing box is joined in marriage sets up to the toper structure, the bottom intercommunication of liquid mixing box is fixed with pumping mechanism, pumping mechanism's discharge end and the left side inner wall bottom intercommunication of liquid reserve tank are fixed, pumping mechanism is used for the fracturing fluid pump to the liquid reserve tank inside of liquid mixing box to store, backup pad fixed cover is established on pumping mechanism, the top of the liquid mixing box is fixedly connected with a box cover, the bottom of the box cover is rotatably provided with a stirring and mixing scraping mechanism positioned in the liquid mixing box, the stirring and mixing scraping mechanism is used for stirring and mixing powder and liquid in the liquid mixing box, meanwhile scraping and cleaning materials adhered to the inner wall of the liquid mixing box, the top of the box cover is fixedly connected with an output shaft and a driving motor fixedly connected with the top of the stirring and mixing scraping mechanism, the right side of the top of the box cover is fixedly embedded with a flow sensor communicated with the inside of the liquid mixing box, the flow sensor is used for measuring the amount of the liquid entering, the top of the left side of the liquid mixing box is fixedly connected with a powder storage box, the powder storage box is used for storing powder, the inner wall of the bottom of the powder storage box is provided with a conical structure, the bottom of the powder storage box is fixedly connected with a first electromagnetic valve, the bottom of the first electromagnetic valve is fixedly connected with a powder metering meter, the powder metering meter is used for metering the amount of powder flowing through, the box cover is fixedly sleeved on the powder metering meter, the bottom of the powder metering meter is communicated with the inside of the liquid mixing box, a crushing mechanism is rotatably arranged between the inner wall of the front side and the inner wall of the rear side of the powder storage box and used for crushing the powder entering the powder storage box for agglomeration, the front side of the powder storage box is fixedly connected with a first motor with an output shaft fixedly connected with the crushing mechanism, the first motor is used for driving the crushing mechanism, the first detection sensor is embedded and fixed on the inner wall of the top of the powder storage box and used for detecting the material quantity in the powder storage box, the second detection sensor is embedded and fixed at the bottom of the box cover and used for detecting the fracturing fluid quantity in the fluid mixing box, the third detection sensor is fixedly connected on the inner wall of the top of the liquid storage box and used for detecting the fracturing fluid quantity in the liquid storage box, the controller is fixedly installed on the right side of the top of the liquid storage box, the first audible-visual alarm is fixedly connected at the top of the controller, the second audible-visual alarm is fixedly connected at the right side top of the powder storage box, the first electromagnetic valve, the driving motor, the first audible and visual alarm, the second audible and visual alarm, the first detection sensor, the second detection sensor, the third detection sensor, the pumping mechanism, the flow sensor and the powder meter are all electrically connected with the controller, the principle that the controller receives signals of the first detection sensor, the second detection sensor, the third detection sensor, the flow sensor and the powder meter to control the first electromagnetic valve, the driving motor, the first audible and visual alarm, the second audible and visual alarm and the pumping mechanism is the prior art, which is the basic limit control and programming parameter setting control mode well known to the person skilled in the art, is conventional or common general knowledge and will not be described in detail herein.

Preferably, the pumping mechanism comprises a second electromagnetic valve which is fixedly connected to the bottom of the liquid mixing box, the bottom end of the second electromagnetic valve extends to the lower side of the supporting plate and is fixedly connected with a first connecting pipe, the bottom end of the first connecting pipe is provided with a plugging structure, the right side of the first connecting pipe is fixedly connected with an L-shaped pipe, the top of the supporting plate is fixedly embedded with a pumping pump, the pumping pump is used for providing pumping force for pumping fracturing liquid in the liquid mixing box, the pumping end of the pumping pump is fixedly connected with the top end of the L-shaped pipe, the discharging end of the pumping pump is fixedly connected with a second connecting pipe, the right end of the second connecting pipe is fixedly connected with the bottom of the left inner wall of the liquid storage box, the right end of the second connecting pipe is fixedly connected with a one-way valve, and the pumping pump and the second electromagnetic valve are electrically connected with a controller.

Preferably, the stirring mixing scraping mechanism comprises a rotating rod rotatably arranged at the bottom of the box cover, the top end of the rotating rod is fixedly connected with the bottom end of an output shaft of the driving motor, a plurality of stirring rods are fixedly connected to the outer side of the rotating rod, the rotating rod is matched with the stirring rods and used for stirring and mixing materials in the liquid mixing box, an L-shaped scraping rod is fixedly arranged on the right side of the rotating rod, and the right side and the bottom of the L-shaped scraping rod are respectively in movable contact with the right side inner wall and the bottom inner wall of the liquid mixing box.

Preferably, the crushing mechanism comprises a rotating shaft rotatably arranged between the front side inner wall and the rear side inner wall of the powder storage box, a plurality of crushing rods are fixedly connected to the outer side of the rotating shaft and matched with each other and used for crushing caked powder, the rear end of an output shaft of the first motor is fixedly connected with the front end of the rotating shaft, a charging valve is fixedly communicated with the left side of the top of the powder storage box, and a plurality of crushing rods are located below the charging valve.

Preferably, the top of the left side of the liquid preparation mixing box is fixedly connected with an L-shaped supporting block, and the top of the L-shaped supporting block is fixedly connected with the bottom of the powder storage box.

Preferably, two walking wheels are rotatably arranged on two sides of the bottom of the supporting plate, the whole device is moved through the four walking wheels, two L-shaped connecting rods are fixedly connected to the left side of the supporting plate, two bolt holes are formed in the top of each L-shaped connecting rod, the two L-shaped connecting rods are matched with the bolt holes and connected with an external towing vehicle, and the whole device is conveniently driven to move by an external vehicle.

Preferably, the right side bottom intercommunication of liquid reserve tank is fixed with the discharge valve, and the discharge valve is used for supplying the inside fracturing fluid of liquid reserve tank to discharge, and the top left side intercommunication of liquid reserve tank is fixed with the joining valve, and flow sensor's top intercommunication is fixed with the third solenoid valve, third solenoid valve and controller electric connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. The stirring, mixing and scraping mechanism, the driving motor, the powder metering meter, the flow sensor, the first electromagnetic valve, the liquid preparation mixing box, the third electromagnetic valve and the controller are matched for automatic liquid preparation operation of the fracturing liquid;

2. The crushing mechanism is matched with the first motor, so that the agglomerated powder can be crushed before liquid preparation, the condition that the agglomerated powder enters a subsequent liquid preparation mixing box can be effectively reduced, and the condition that the subsequent mixing is uneven due to the agglomerated powder is further reduced;

3. The fracturing fluid after fluid preparation can be automatically extracted and stored by matching the pumping mechanism, the controller and the liquid storage tank;

4. The continuous liquid preparation and feeding operation of the fracturing liquid can be realized by combining the mode of the liquid preparation and liquid storage by the third detection sensor, the second detection sensor and the controller, personnel are not required to observe at any time and prepare the liquid independently, the automation degree is improved, and the labor intensity is reduced;

5. The second audible and visual alarm, the first detection sensor and the controller are matched, so that the alarm can be given out in time to remind personnel to add when the powder material quantity is small;

According to the utility model, through a series of structural arrangement, the fracturing fluid can be automatically and continuously prepared and stored for feeding, personnel are not required to observe and prepare the fracturing fluid independently, the degree of automation is improved, the labor intensity is reduced, the agglomerated powder can be crushed before the preparation of the fracturing fluid, the condition that the agglomerated powder enters a subsequent liquid preparation mixing box can be effectively reduced, and the condition that the subsequent mixing is uneven due to the agglomerated powder is further reduced.

Drawings

FIG. 1 is a schematic perspective view of a continuous liquid preparation and supply device for salt-resistant polymer fracturing liquid;

Fig. 2 is a schematic diagram of a front cross-sectional structure of a continuous liquid preparation and supply device for salt-resistant polymer fracturing liquid.

In the figure: 100. a support plate; 1. a liquid mixing box; 2. a liquid storage tank; 3. a second electromagnetic valve; 4. a pump; 5. an L-shaped pipe; 6. a second connection pipe; 7. a third detection sensor; 8. a controller; 9. a first audible and visual annunciator; 10. a driving motor; 11. a flow sensor; 12. a rotating rod; 13. an L-shaped scraping rod; 14. a powder storage bin; 15. a powder meter; 16. a first detection sensor; 17. a second audible and visual alarm; 18. a second detection sensor; 19. a rotating shaft; 20. a first motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, a continuous liquid preparation and supply device for salt-resistant polymer fracturing liquid comprises a supporting plate 100, wherein two travelling wheels are rotatably arranged at two sides of the bottom of the supporting plate 100, the whole device can be moved by four travelling wheels, two L-shaped connecting rods are fixedly connected to the left side of the supporting plate 100, two bolt holes are formed in the tops of the L-shaped connecting rods and matched with the bolt holes, the L-shaped connecting rods are connected with an external towing vehicle, the whole device is conveniently driven to move by an external vehicle, a liquid storage tank 2 is fixedly connected to the right side of the top of the supporting plate 100, a discharge valve is fixedly communicated with the bottom of the right side of the liquid storage tank 2 and used for discharging fracturing liquid in the liquid storage tank 2, a feeding valve is fixedly communicated with the left side of the top of the liquid storage tank 2 and used for storing the fracturing liquid, the top of the supporting plate 100 is fixedly provided with a liquid distribution mixing box 1 with an opening at the top, the liquid distribution mixing box 1 is used for distributing and mixing fracturing liquid, the inner wall of the bottom of the liquid distribution mixing box 1 is in a conical structure, the bottom of the liquid distribution mixing box 1 is fixedly communicated with a pumping mechanism, the discharge end of the pumping mechanism is fixedly communicated with the bottom of the left inner wall of the liquid storage box 2, the supporting plate 100 is fixedly sleeved on the pumping mechanism, the pumping mechanism comprises a second electromagnetic valve 3 fixedly communicated with the bottom of the liquid distribution mixing box 1, the second electromagnetic valve 3 is used for controlling the opening and closing of the inside of the liquid distribution mixing box 1, the bottom end of the second electromagnetic valve 3 extends to the lower side of the supporting plate 100 and is fixedly connected with a first connecting pipe, the bottom end of the first connecting pipe is in a plugging structure, the right side of the first connecting pipe is fixedly communicated with an L-shaped pipe 5, the top of the supporting plate 100 is fixedly embedded with a pumping pump 4, the top of the supporting plate 100 is provided with a first embedded hole for fixedly installing the pumping pump 4, the pumping pump 4 is used for providing pumping force to pump fracturing fluid in the fluid mixing tank 1, the pumping end of the pumping pump 4 is fixedly communicated with the top end of the L-shaped pipe 5, the discharging end of the pumping pump 4 is fixedly communicated with the second connecting pipe 6, the right end of the second connecting pipe 6 is fixedly communicated with the bottom of the left inner wall of the liquid storage tank 2, the right end of the second connecting pipe 6 is fixedly communicated with a one-way valve with the right side being an outlet, and the one-way valve is arranged to effectively reduce the condition of liquid backflow in the liquid storage tank 2;

The top of the liquid mixing box 1 is fixedly connected with a box cover, the bottom of the box cover is rotationally provided with a stirring and mixing scraping mechanism positioned in the liquid mixing box 1, the top of the box cover is fixedly connected with a driving motor 10 fixedly connected with the top of the stirring and mixing scraping mechanism, the stirring and mixing scraping mechanism comprises a rotating rod 12 rotationally arranged at the bottom of the box cover, the bottom of the box cover is provided with a first circular hole, a first bearing is fixedly sleeved in the first circular hole, the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the rotating rod 12, the first bearing plays the role of supplying the rotating rod 12 to rotationally mount, the top end of the rotating rod 12 is fixedly connected with the bottom end of an output shaft of the driving motor 10, the outside fixedly connected with a plurality of puddlers of bull stick 12, bull stick 12 and a plurality of puddlers cooperate, be used for stirring the material of joining in marriage inside liquid mixing box 1 and mix, the right side fixedly mounted of bull stick 12 has L shape to scrape pole 13, wherein the right side fixedly connected with of bull stick 12 has two connecting rods that vary in length, the right-hand member of two connecting rods respectively with the right side inner wall and the bottom inner wall fixed connection of L shape to scrape pole 13, realize the connection between bull stick 12 and the L shape to scrape pole 13 through two connecting rods, the right side and the bottom of L shape to scrape pole 13 respectively with join in marriage the right side inner wall and the bottom inner wall movable contact of liquid mixing box 1, scrape the clearance through L shape to join in marriage the fracturing fluid that is stained on the inner wall of liquid mixing box 1 to scrape pole 13;

The right side of the top of the box cover is embedded and fixed with a flow sensor 11 communicated with the inside of the liquid mixing box 1, the flow sensor 11 is used for measuring the amount of liquid entering, the top end of the flow sensor 11 is communicated and fixed with a third electromagnetic valve, the left top of the liquid mixing box 1 is fixedly connected with a powder storage box 14, the left top of the liquid mixing box 1 is fixedly connected with an L-shaped supporting block, the top of the L-shaped supporting block is fixedly connected with the bottom of the powder storage box 14, the L-shaped supporting block is used for supporting the powder storage box 14, the powder storage box 14 is used for storing powder, the inner wall of the bottom of the powder storage box 14 is of a conical structure, the bottom of the powder storage box 14 is communicated and fixed with a first electromagnetic valve, the bottom of the first electromagnetic valve is communicated and fixed with a powder meter 15, the powder meter 15 is used for measuring the amount of powder flowing, the box cover is fixedly sleeved on the powder meter 15, a second embedded hole is formed in the top of the box cover, the inner wall of the second embedded hole is fixedly connected with the outer side of the powder meter 15, and the bottom end of the powder meter 15 is communicated with the inside of the liquid mixing box 1;

the crushing mechanism is rotatably mounted between the front side inner wall and the rear side inner wall of the powder storage box 14, the front side of the powder storage box 14 is fixedly connected with a first motor 20 fixedly connected with an output shaft and the crushing mechanism, the crushing mechanism comprises a rotating shaft 19 rotatably mounted between the front side inner wall and the rear side inner wall of the powder storage box 14, second round holes are formed in the front side inner wall and the rear side inner wall of the powder storage box 14, a second bearing is fixedly sleeved in the second round holes, the inner side of an inner ring of the second bearing is fixedly connected with the outer side of the rotating shaft 19, the second bearing has the effect of rotatably mounting the rotating shaft 19, a plurality of crushing rods are fixedly connected to the outer side of the rotating shaft 19, the rotating shaft 19 is matched with the crushing rods and used for crushing agglomerated powder, the rear end of the output shaft of the first motor 20 is fixedly connected with the front end of the rotating shaft 19, a charging valve is fixedly arranged on the left side of the top of the powder storage box 14, and the crushing rods are all located below the charging valve and crush the agglomerated raw materials through the crushing rods;

A first detection sensor 16 is embedded and fixed on the inner wall of the top of the powder storage box 14, wherein a first embedded groove for fixedly installing the first detection sensor 16 is formed on the inner wall of the top of the powder storage box 14, the first detection sensor 16 is used for detecting the amount of materials in the powder storage box 14, a second detection sensor 18 is embedded and fixed on the bottom of the box cover, a second embedded groove for fixedly installing the second detection sensor 18 is formed on the bottom of the box cover, the second detection sensor 18 is used for detecting the fracturing fluid amount in the fluid mixing box 1, a third detection sensor 7 is fixedly connected on the inner wall of the top of the liquid storage box 2, a third embedded groove for fixedly installing the third detection sensor 7 is formed on the inner wall of the top of the liquid storage box 2, the third detection sensor 7 is used for detecting the fracturing fluid amount in the liquid storage box 2, the controller 8 is fixedly arranged on the right side of the top of the liquid storage tank 2, the first audible and visual alarm 9 is fixedly connected to the top of the controller 8, the audible and visual alarm 17 is fixedly connected to the right side top of the powder storage tank 14, the driving motor 10, the first motor 20, the first audible and visual alarm 9, the audible and visual alarm 17, the first detection sensor 16, the second detection sensor 18, the third detection sensor 7, the extraction pump 4, the second electromagnetic valve 3, the third electromagnetic valve, the first electromagnetic valve, the flow sensor 11 and the powder metering meter 15 are electrically connected with the controller 8, and the controller 8 receives signals of the first detection sensor 16, the second detection sensor 18, the third detection sensor 7, the flow sensor 11 and the powder metering meter 15 to drive the motor 10, the first motor 20, the first audible and visual alarm 9, the second audible and visual alarm 17, the extraction pump 4, the principle of the second electromagnetic valve 3 and the first electromagnetic valve is the prior art, which is a basic limit control and programming parameter setting control mode known to those skilled in the art, and belongs to conventional means or common knowledge, and will not be described herein again; according to the utility model, through a series of structural arrangement, the fracturing fluid can be automatically and continuously prepared and stored for feeding, personnel are not required to observe and prepare the fracturing fluid independently, the degree of automation is improved, the labor intensity is reduced, the agglomerated powder can be crushed before the preparation of the fracturing fluid, the condition that the agglomerated powder enters a subsequent liquid preparation mixing box 1 can be effectively reduced, and the condition that the subsequent mixing is uneven due to the agglomerated powder is further reduced.

Working principle: when the powder mixing box is used, an external water supply end is communicated and fixed with the top end of the third electromagnetic valve, powder is added into the powder storage box 14 through the feeding valve, before the powder is added, the first motor 20 is started, the output shaft of the first motor 20 drives the rotating shaft 19 to rotate, the rotating shaft 19 drives the crushing rods to rotate, when the powder enters the powder storage box 14, the powder directly falls onto the crushing rods, the crushing rods rotate and crush the agglomerated powder, the powder storage box 14 stores the crushed powder, and the condition that the agglomerated powder enters the subsequent liquid mixing box 1 can be effectively reduced by crushing the agglomerated powder before liquid preparation, so that the condition that the subsequent mixing is uneven due to the agglomerated powder is reduced;

The first electromagnetic valve, the second electromagnetic valve 3 and the third electromagnetic valve are set in advance through the controller 8, the time interval for opening the driving motor 10 and the pumping pump 4 is set to be 30min, the amount for closing the pumping pump 4 is set, when the fracturing fluid is prepared, the first electromagnetic valve and the third electromagnetic valve can be opened firstly, the powder in the powder storage box 14 sequentially enters the liquid preparation mixing box 1 through the first electromagnetic valve and the powder metering gauge 15, the external liquid sequentially enters the liquid preparation mixing box 1 through the third electromagnetic valve and the flow sensor 11, the powder metering gauge 15 and the flow sensor 11 respectively meter the powder discharge amount and the liquid discharge amount, the measured data value is transmitted to the controller 8, when the preset amount is reached, the controller 8 controls the first electromagnetic valve and the third electromagnetic valve to be closed, simultaneously, the driving motor 10 is started, the output shaft of the driving motor 10 drives the rotating rod 12 to rotate, the rotating rod 12 drives the stirring blades to rotate, meanwhile, the stirring blades stir and mix the powder and the liquid in the liquid mixing box 1, meanwhile, the rotating rod 12 drives the L-shaped scraping rod 13 to rotate so as to scrape and clean the mixture adhered to the inner wall of the liquid mixing box 1, the amount of the fracturing fluid adhered to the inner wall of the liquid mixing box 1 can be effectively reduced, the purpose of liquid distribution of the fracturing fluid is realized, after stirring and mixing for 30min, the pumping pump 4 and the second electromagnetic valve 3 are started, the pumping pump 4 sequentially pumps the fracturing fluid in the liquid mixing box 1 through the L-shaped pipe 5, the first connecting pipe and the second electromagnetic valve 3, the pumped fracturing fluid is discharged into the liquid storage box 2 through the second connecting pipe 6 and the one-way valve, meanwhile, the second detection sensor 18 monitors the fracturing fluid in the liquid mixing box 1, the monitored value is transmitted to the controller 8, and when the second detection sensor 18 detects that no fracturing fluid exists in the fracturing fluid preparing mixing tank 1, the controller 8 controls the pumping pump 4 and the second electromagnetic valve 3 to be closed, so that the purposes of automatic fracturing fluid preparing, pumping and storing are achieved;

The discharge valve is connected with an external liquid supply pipe, the fracturing liquid in the liquid storage tank 2 can be discharged through the discharge valve, along with the discharge of the fracturing liquid, the fracturing liquid in the liquid storage tank 2 is gradually reduced, the third detection sensor 7 detects the fracturing liquid in the liquid storage tank 2 and transmits the detection value to the controller 8, when the fracturing liquid is detected to be lower than the preset value, the controller 8 controls the first audible and visual alarm 9 to start an audible and visual alarm reminding person, meanwhile, controls the first electromagnetic valve and the third electromagnetic valve to be opened again, so that powder and liquid enter the liquid mixing tank 1 again through the powder metering meter 15 and the flow sensor 11 respectively, and simultaneously controls the driving motor 10 to be started again, so that a plurality of stirring rods continuously rotate to stir and mix the powder and the liquid, and after the stirring and mixing are completed, the fracturing liquid is pumped and discharged into the liquid storage tank 2 through the pumping pump 4, and the liquid distribution storage mode is the same as the liquid distribution storage mode, thereby realizing automatic liquid distribution of continuous automatic distribution of the fracturing liquid, no need to be carried out by the personnel, and the aim of improving the labor intensity and the individual liquid is achieved;

Along with the discharge of the powder, the powder in the powder storage box 14 is gradually reduced, the first detection sensor 16 detects the amount of the powder in the powder storage box 14 and transmits a detection value to the controller 8, and when the detected powder amount is lower than a preset value, the controller controls the second audible and visual alarm 17 to start to sound an audible and visual alarm to remind a person to add the powder into the powder storage box 14;

The principle that the driving motor 10, the first motor 20, the first audible and visual alarm 9, the second audible and visual alarm 17, the first detection sensor 16, the second detection sensor 18, the third detection sensor 7, the extraction pump, the second electromagnetic valve 3, the first electromagnetic valve, the third electromagnetic valve, the flow sensor 11, the powder meter 15 and the controller are all well known to those skilled in the art, all belong to conventional means or common knowledge, and those skilled in the art can perform any optional matching according to the needs or convenience of the driving motor, the first motor 20, the first audible and visual alarm 9, the second audible and visual alarm 17, the extraction pump 4, the second electromagnetic valve 3, the first electromagnetic valve and the third electromagnetic valve, and the controller 8 receives signals of the first detection sensor 16, the second detection sensor 18, the third detection sensor 7, the flow sensor 11 and the powder meter 15, and the principle is that the driving motor 10, the first motor 20, the first audible and visual alarm 9, the second audible alarm 17, the extraction pump 4, the second electromagnetic valve 3, the first electromagnetic valve and the third electromagnetic valve are well known to those skilled in the art, and the basic limit control and the programming parameter setting control mode belong to conventional or common general knowledge.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a salt-resistant polymer fracturing fluid is joined in marriage liquid feed arrangement in succession, including backup pad (100), a serial communication port, top right side fixedly connected with liquid reserve tank (2) of backup pad (100), the top fixed mounting of backup pad (100) has liquid reserve tank (1) of top for the opening setting, liquid reserve tank (1)'s bottom inner wall design is the toper structure, liquid reserve tank (1)'s bottom intercommunication is fixed with pumping mechanism, pumping mechanism's discharge end and liquid reserve tank (2) left side inner wall bottom intercommunication is fixed, backup pad (100) fixed cover is designed on pumping mechanism, liquid reserve tank (1)'s top fixedly connected with case lid, the bottom of case lid rotates and installs stirring mixed scraping mechanism that is located liquid reserve tank (1), the top fixedly connected with output shaft of case lid and stirring mixed scraping mechanism's top fixedly connected driving motor (10), the top right side of case lid inlays the dress be fixed with the flow sensor (11) that are linked together with liquid reserve tank (1) inside, liquid reserve tank (14) left side top fixedly connected with powder storage tank (14), the inner wall (14) of liquid reserve tank (1) is the inside of a powder metering case (15), the bottom of a powder metering case (15) is designed for the inside a solenoid valve (15) of a fixed connection, the powder metering case (15) is designed on the bottom of a base (15) fixed connection, the powder metering case (15) is connected with the bottom of a base (15) fixed in a fixed design, the crushing mechanism is rotationally installed between the front side inner wall and the rear side inner wall of the powder storage box (14), a first motor (20) fixedly connected with an output shaft and the crushing mechanism is fixedly connected to the front side fixedly connected with the powder storage box (14), a first detection sensor (16) is embedded and fixed on the top inner wall of the powder storage box (14), a second detection sensor (18) is embedded and fixed on the bottom of the box cover, a third detection sensor (7) is fixedly connected to the top inner wall of the liquid storage box (2), a controller (8) is fixedly installed on the right side of the top of the liquid storage box (2), a first audible and visual alarm (9) is fixedly connected to the top of the controller (8), a second audible and visual alarm (17), a first electromagnetic valve, a driving motor (10), the first motor (20), the first audible and visual alarm (9), the second audible alarm (17), the first detection sensor (16), the second detection sensor (18), the third detection sensor (7), a pumping mechanism, a flow sensor (11) and a powder metering meter (15) are electrically connected with the controller (8).

2. The continuous liquid preparation and supply device for salt-resistant polymer fracturing fluid according to claim 1, wherein the pumping mechanism comprises a second electromagnetic valve (3) fixedly connected to the bottom of the liquid preparation mixing box (1), the bottom end of the second electromagnetic valve (3) extends to the lower part of the supporting plate (100) and is fixedly connected with a first connecting pipe, the bottom end of the first connecting pipe is provided with a plugging structure, the right side of the first connecting pipe is fixedly connected with an L-shaped pipe (5), the top of the supporting plate (100) is embedded and fixedly provided with a pumping pump (4), the pumping end of the pumping pump (4) is fixedly connected with the top end of the L-shaped pipe (5), the discharging end of the pumping pump (4) is fixedly connected with a second connecting pipe (6), the right end of the second connecting pipe (6) is fixedly connected with the left inner wall bottom of the liquid storage box (2), the right end of the second connecting pipe (6) is fixedly connected with a one-way valve with the right side of which is an outlet, and the pumping pump (4) and the second electromagnetic valve (3) are electrically connected with a controller (8).

3. The continuous liquid preparation and supply device for salt-resistant polymer fracturing fluid according to claim 2, wherein the stirring and mixing scraping mechanism comprises a rotating rod (12) rotatably installed at the bottom of a box cover, the top end of the rotating rod (12) is fixedly connected with the bottom end of an output shaft of a driving motor (10), a plurality of stirring rods are fixedly connected to the outer side of the rotating rod (12), an L-shaped scraping rod (13) is fixedly installed on the right side of the rotating rod (12), and the right side and the bottom of the L-shaped scraping rod (13) are respectively in movable contact with the right side inner wall and the bottom inner wall of the liquid preparation mixing box (1).

4. A continuous liquid preparation and supply device for salt-resistant polymer fracturing fluid according to claim 3, wherein the crushing mechanism comprises a rotating shaft (19) rotatably installed between the front side inner wall and the rear side inner wall of the powder storage box (14), a plurality of crushing rods are fixedly connected to the outer side of the rotating shaft (19), the rear end of an output shaft of the first motor (20) is fixedly connected with the front end of the rotating shaft (19), a charging valve is fixedly connected to the left side of the top of the powder storage box (14), and the crushing rods are located below the charging valve.

5. The continuous liquid preparation and supply device for salt-resistant polymer fracturing liquid according to claim 1, wherein an L-shaped supporting block is fixedly connected to the top of the left side of the liquid preparation mixing box (1), and the top of the L-shaped supporting block is fixedly connected with the bottom of the powder storage box (14).

6. The continuous liquid preparation and supply device for salt-resistant polymer fracturing fluid according to claim 1, wherein two travelling wheels are rotatably arranged on two sides of the bottom of the supporting plate (100), two L-shaped connecting rods are fixedly connected to the left side of the supporting plate (100), and two bolt holes are formed in the top of each L-shaped connecting rod.

7. The continuous liquid preparation and supply device for salt-resistant polymer fracturing fluid according to claim 1, wherein a discharge valve is fixedly connected to the bottom of the right side of the liquid storage tank (2), a charging valve is fixedly connected to the left side of the top of the liquid storage tank (2), a third electromagnetic valve is fixedly connected to the top of the flow sensor (11), and the third electromagnetic valve is electrically connected with the controller (8).