CN115350643A - Multifunctional automatic continuous acid preparation equipment - Google Patents

Abstract

The invention discloses multifunctional automatic continuous acid preparation equipment, wherein a power device is connected with a hydraulic system, the hydraulic system is connected with an anti-corrosion manifold device, the anti-corrosion manifold device is connected with a mixing device, a mixing tank, a clear water centrifugal pump, a discharge centrifugal pump and a chemical additive device, and a powder metering and conveying device is connected between the mixing device and a feeding device; the mixing tank is connected with the chemical additive device, and a first separation chamber and a second separation chamber are arranged inside the mixing tank; the clear water centrifugal pump is connected with the first compartment of blending tank, and first acidizing fluid centrifugal pump is connected through the first high energy blender with mixing arrangement, and first high energy blender is connected with the first compartment of blending tank, and the second acidizing fluid centrifugal pump is connected with the second high energy blender of mixing arrangement, and the second high energy blender is connected through the first compartment and the second compartment that anticorrosive manifold device and blending tank, and the discharge centrifugal pump links to each other through the first compartment and the second compartment that anticorrosive manifold device and blending tank.

Description

Multifunctional automatic continuous acid preparation equipment

Technical Field

The invention relates to the technical field of yield increasing and acidifying equipment for oil and gas fields, in particular to multifunctional automatic continuous acid preparation equipment.

Background

With the development of oil extraction technology, the application of acidification technology as an oil field production increasing measure is gradually increased, large-scale and super-large-scale acid fracturing operation is more and more, and the requirement on acid liquor quality is higher and higher.

At present, the manual batch mixing process of acid liquor, clean water and chemical additives is adopted in an oilfield field, and the concentrations and the use amounts of the acid liquor, the clean water and the chemical additives are manually calculated and recorded. For acid liquids with different formulas, the preparation process needs to be adjusted in time according to the formula, the preparation of the finished acid liquid is carried out in advance for several days before the acid pressing operation, and the finished acid liquid prepared by the manual batch mixing process is low in precision and much in waste. The configuration operation has high requirements on personnel quality, high operation intensity and large potential safety hazard, the acid liquor configuration process cannot be effectively recorded, the tracing cannot be carried out in the later period, and the requirements of modern oilfield operation are not met.

The manual batch mixing process acid liquid, clear water and finished acid are stored in advance by a large number of storage tanks, and the storage tanks have large occupied area, long occupied time and high frequency of storage tank hoisting operation, and all of the storage tanks need to occupy a large amount of manpower and material resources. Therefore, the existing preparation process has high requirements on well site preparation and cannot meet the requirements of large-scale acid fracturing continuous operation.

In view of the above, it is desirable to provide a novel multifunctional automatic continuous acid preparing apparatus to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide a multifunctional automatic continuous acid preparation device which can accurately control the concentration and the dosage of acid liquor, clean water and chemical additives so as to prepare high-quality finished acid liquor.

In order to achieve the purpose, the invention provides a multifunctional automatic continuous acid preparation device, which comprises a bearing device;

the power device, the hydraulic system, the powder metering and conveying device, the mixing tank, the clear water centrifugal pump, the first acid liquid centrifugal pump, the second acid liquid centrifugal pump, the discharge centrifugal pump, the anti-corrosion manifold device, the chemical additive device, the gas circuit device, the feeding device and the intelligent control device are assembled on the bearing device;

the power device is connected with a hydraulic system, the hydraulic system is connected with the anti-corrosion manifold device 12, the anti-corrosion manifold device is connected with the mixing device, the mixing tank, the clear water centrifugal pump, the discharge centrifugal pump and the chemical additive device,

the powder metering and conveying device is connected between the mixing device and the feeding device; the mixing tank is connected with the chemical additive device, and a first separation chamber and a second separation chamber are arranged inside the mixing tank; the clean water centrifugal pump is connected with the first separate cavity of the mixing tank through a corrosion-proof manifold device,

first acidizing fluid centrifugal pump through the anticorrosion manifold device with mixing arrangement's first high energy blender is connected, first high energy blender with the first compartment of blending tank is connected, second acidizing fluid centrifugal pump through the anticorrosion manifold device with mixing arrangement's second high energy blender is connected, the second high energy blender through the anticorrosion manifold device with the first compartment and the second of blending tank are separated the chamber and are connected, discharge the centrifugal pump through the anticorrosion manifold device with the first compartment and the second of blending tank are separated the chamber and are linked to each other.

Preferably, the hydraulic system further comprises a power distribution device, and the power distribution device is connected between the power device and the hydraulic system.

Preferably, the acid mist neutralizing device further comprises an acid mist neutralizing tank, and the acid mist neutralizing tank is connected with the mixing tank.

Preferably, the powder metering and conveying device comprises a first powder storage tank, a second powder storage tank, a first spiral powder conveying machine, a second spiral powder conveying machine, a first spiral powder conveying machine rotating speed sensor, a second spiral powder conveying machine rotating speed sensor, a first powder tank electronic scale and a second powder tank electronic scale;

the first powder storage tank is connected with the first high-energy mixer through a first spiral powder conveying machine, the second powder storage tank is connected with the second high-energy mixer through a second spiral powder conveying machine, and the first spiral powder conveying machine conveys powder in the first powder storage tank into the first mixer; the second spiral powder conveying machine conveys the powder in the second powder storage tank to the second mixer, the first spiral powder conveying machine rotating speed sensor is arranged on the first spiral powder conveying machine, and the second spiral powder conveying machine rotating speed sensor is arranged on the second spiral powder conveying machine; the first powder tank electronic scale is arranged on the first powder storage tank, and the second powder tank electronic scale is arranged on the second powder storage tank.

Preferably, the mixing tank is provided with a stirrer, an electronic liquid level meter and a liquid level perspective window; the electronic liquid level meter is positioned at the top of the mixing tank, and scales are arranged at the liquid level perspective window.

Preferably, a stirrer is arranged in the first separation cavity, a stirrer is arranged in the second separation cavity, the multifunctional automatic continuous acid preparation equipment further comprises a clean water flowmeter, the clean water centrifugal pump is connected with the clean water flowmeter through an anti-corrosion manifold device, and the clean water flowmeter is connected with the first separation cavity of the mixing tank.

Preferably, the system further comprises a first acid liquid flow meter, the first acid liquid centrifugal pump is connected with the first acid liquid flow meter through an anti-corrosion manifold device, and the first acid liquid flow meter is connected with the first high-energy mixer.

Preferably, the acid liquor flow meter is connected with the second acid liquor flow meter through an anti-corrosion manifold device, and the second acid liquor flow meter is connected with the second high-energy mixer.

Preferably, the mixing tank further comprises a discharge flow meter, wherein the discharge centrifugal pump is connected with the discharge flow meter through a corrosion-proof manifold device, and the discharge flow meter is connected with the second compartment of the mixing tank.

Preferably, the intelligent control device is electrically connected with the power device, the hydraulic system, the chemical additive device, the feeding device, the first acid liquid flow meter, the second acid liquid flow meter, the clear water flow meter, the discharge flow meter, the electronic liquid level meter, the first spiral powder conveying machine, the second spiral powder conveying machine, the first spiral powder conveying machine rotation speed sensor, the second spiral powder conveying machine rotation speed sensor, the first powder tank electronic scale and the second powder tank electronic scale.

Compared with the prior art, beneficial effect lies in: 1) The acid liquor with different formulas can be prepared and used immediately, and the concentrations and the dosages of the acid liquor, clear water and chemical additives can be accurately controlled through an intelligent control system, a flowmeter, an electronic scale and other metering devices, so that high-quality finished acid liquor can be prepared, and potential safety hazards caused by improper dosages can be prevented.

2) Can carry out real-time recording, storage and automatic generation report form through intelligent control device to acidizing fluid, branch material, clear water in the operation process, make things convenient for the later stage to trace back.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a side view of the multifunctional automated continuous acid-preparing apparatus provided by the present invention.

Fig. 2 is an enlarged view of the region a shown in fig. 1.

FIG. 3 is a side view of the other side of the multifunctional automated continuous acid preparation device provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are therefore not to be considered limiting.

It should also be noted that, unless expressly specified or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and encompass, for example, fixed connections as well as removable connections or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. It will be apparent to those of ordinary skill in the art that the above terms have the specific meanings given herein according to the specific circumstances.

Furthermore, the terms "left", "right", and "left" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In addition, the meaning of "plurality" or "a number" refers to two or more, unless specifically limited otherwise.

Referring to fig. 1 to 3, the present invention provides a multifunctional automatic continuous acid blending device, which comprises a carrying device 1 (vehicle body);

the device comprises a power device 2 (a motor), a power distribution device 3, a hydraulic system 4, a powder metering and conveying device 5, a mixing device 6, a mixing tank 7, a clean water centrifugal pump 8, a first acid liquid centrifugal pump 9, a second acid liquid centrifugal pump 10, a discharge centrifugal pump 11, an anti-corrosion manifold device 12, a chemical additive device 13, a gas circuit device 14, a feeding device 15, an acid mist neutralization tank 16 and an intelligent control device 17, wherein the power device 2 (the motor), the power distribution device 3, the hydraulic system 4, the powder metering and conveying device 5, the mixing device 6, the mixing tank 7, the clean water centrifugal pump 8, the first acid liquid centrifugal pump 9, the second acid liquid centrifugal pump 10, the discharge centrifugal pump 11, the anti-corrosion manifold device 12, the chemical additive device 13, the gas circuit device 14, the feeding device 15, the acid mist neutralization tank 16 and the intelligent control device 17 are assembled on a bearing device 1; the power device 2, the power distribution device 3 and the hydraulic system 4 are connected in sequence,

the hydraulic system 4 is connected with a gas supply device 14 and the anti-corrosion manifold device 12, the anti-corrosion manifold device 12 is connected with the mixing device 6, the mixing tank 7, the clear water centrifugal pump 8, the discharge centrifugal pump 11 and the chemical additive device 13,

the powder metering and conveying device 5 is connected between the mixing device 6 and the feeding device 15, so that the feeding device 15 conveys the powder to the powder metering and conveying device 5 and then the powder is conveyed to a high-efficiency mixer through the powder metering and conveying device 5 to be mixed;

the mixing tank 7 is connected with the chemical additive device 13 and the acid mist neutralization tank 16, and the mixing tank 7 is internally provided with a first compartment and a second compartment separated from the first compartment; the acid mist neutralization tank 16 is connected with the mixing tank 7, so that the alkali liquor in the acid mist neutralization tank 16 is neutralized with the smoke generated by the acid liquor (hydrochloric acid, hydrofluoric acid and the like) in the mixing tank 7;

the clean water centrifugal pump 8 is connected with the mixing tank 7 through an anti-corrosion manifold device 12, the first acid liquid centrifugal pump 9 is connected with a first acid liquid flowmeter 20 through the anti-corrosion manifold device 12, the first acid liquid flowmeter 20 is connected with a first high-energy mixer 24, the first high-energy mixer 24 is connected with a first compartment of the mixing tank 7,

the second acid liquid centrifugal pump 10 is connected with the second acid liquid flowmeter 21 through a corrosion-proof manifold device 12, the second acid liquid flowmeter 21 is connected with the second high-energy mixer 25, the second high-energy mixer 25 is connected with the first compartment and the second compartment of the mixing tank 7 through the corrosion-proof manifold device 12, the discharge centrifugal pump 11 is connected with the discharge flowmeter 22 through the corrosion-proof manifold device 12, and the discharge flowmeter 22 is connected with the second compartment of the mixing tank 7. In this embodiment, the intelligent control device 17 may be an industrial personal computer.

Further, the powder material metering and conveying device 5 comprises a first powder storage tank 26, a second powder storage tank 27, a first spiral powder conveyer 42, a second spiral powder conveyer 43, a first spiral powder conveyer rotating speed sensor 44, a second spiral powder conveyer rotating speed sensor 45, a first powder tank electronic scale 46 and a second powder tank electronic scale 47;

the first powder storage tank 26 is connected with the first high-energy mixer 24 through a first spiral powder conveying machine 42, the second powder storage tank 27 is connected with the second high-energy mixer 25 through a second spiral powder conveying machine 43, and the first spiral powder conveying machine 42 conveys powder in the first powder storage tank 26 into the first mixer 24 to realize the mixing of the powder and the solution; the second spiral powder conveyer 43 conveys the powder in the second powder storage tank 27 to the second mixer 24 to realize the mixing of the powder (slow release synergist, gelling agent, etc.) and the solution, the first spiral powder conveyer rotation speed sensor 44 is mounted on the first spiral powder conveyer 42 to detect the operation speed of the first spiral powder conveyer 42, and the second spiral powder conveyer rotation speed sensor 45 is mounted on the second spiral powder conveyer 43 to detect the operation speed of the second spiral powder conveyer 43; the first powder tank electronic scale 46 is installed on the first powder storage tank 26 so as to detect the weight of the powder in the first powder storage tank 26, the first powder tank electronic scale 46 uploads the detected weight information to the intelligent control device 17, the second powder tank electronic scale 47 is installed on the second powder storage tank 27 so as to detect the weight of the powder in the second powder storage tank 27, and the second powder tank electronic scale 47 uploads the detected weight information to the intelligent control device 17.

Further, the mixing tank 7 is provided with a stirrer 18, an electronic liquid level meter 28 and a liquid level perspective window 29; the stirrer 18 is used for stirring the materials in the mixing tank 7 to fully mix the materials; the electronic liquid level meter 28 is positioned at the top of the mixing tank 7 so that the liquid level can be observed by related people on the multifunctional automatic continuous acid preparation equipment, and scales are arranged at the liquid level perspective window 29 so that the liquid level can be observed by related people standing on the mixing tank 7.

Further, a stirrer 18 is arranged in the first separation cavity, a stirrer 18 is arranged in the second separation cavity, the multifunctional automatic continuous acid preparation equipment further comprises a clean water flowmeter 22, the clean water centrifugal pump 8 is connected with the clean water flowmeter 22 through the anti-corrosion manifold device 12, and the clean water flowmeter 22 is connected with the first separation cavity of the mixing tank 7.

Further, the multifunctional automatic continuous acid preparation equipment further comprises a first acid liquid flow meter 20, the first acid liquid centrifugal pump 9 is connected with the first acid liquid flow meter 20 through an anti-corrosion manifold device 12, and the first acid liquid flow meter 20 is connected with the first high-energy mixer 24.

Further, the multifunctional automatic continuous acid preparation equipment further comprises a second acid liquid flow meter 21, the second acid liquid centrifugal pump 10 is connected with the second acid liquid flow meter 21 through an anti-corrosion manifold device 12, and the second acid liquid flow meter 21 is connected with the second high-energy mixer 25.

Further, the multifunctional automatic continuous acid preparation equipment further comprises a discharge flowmeter 23, the discharge centrifugal pump 11 is connected with the discharge flowmeter 23 through a corrosion-proof manifold device 12, and the discharge flowmeter 23 is connected with the second compartment of the mixing tank 7.

Further, chemical additive device 13 includes that a plurality of liquid adds the pump (add pump 30, second liquid and add pump 31, third liquid and add pump 32, fourth liquid and add pump 33, fifth liquid and add pump 34 and sixth liquid and add pump 35 respectively) and a plurality of liquid and add the flowmeter (add flowmeter 37, second liquid and add flowmeter 37, third liquid and add flowmeter 38, fourth liquid and add flowmeter 39, fifth liquid and add flowmeter 40, sixth liquid and add flowmeter 41 respectively for first liquid, a plurality of liquid add the pump through a plurality of liquid add the flowmeter all with anti-corrosion manifold device 12 is connected, and a plurality of liquid add the flowmeter with intelligent control device 17 electric connection.

Specifically, first liquid adds pump 30 pass through first liquid add flowmeter 36 with the anticorrosion manifold device 12 is connected, second liquid adds pump 31 pass through the second liquid add flowmeter 37 with the anticorrosion manifold device 12 is connected, third liquid adds pump 32 through the third liquid add flowmeter 38 with the anticorrosion manifold device 12 is connected, fourth liquid adds pump 33 and fourth liquid add flowmeter 39 with the anticorrosion manifold device 12 is connected, fifth liquid adds pump 34 and fifth liquid add flowmeter 40 with the anticorrosion manifold device 12 is connected, sixth liquid adds pump 35 through sixth liquid add flowmeter 40 with the anticorrosion manifold device 12 is connected.

In this way, when the first liquid adding pump 30, the second liquid adding pump 31, the third liquid adding pump 32, the fourth liquid adding pump 33, the fifth liquid adding pump 34, and the sixth liquid adding pump 35 are connected to the mixing tank 7 and the corrosion prevention manifold device 12 to transfer the chemical additives, it is convenient to detect the flow rates of the chemical additives (such as the iron ion stabilizer, the drainage aid, and the consumption agent) transferred by the first liquid adding pump 30, the second liquid adding pump 31, the third liquid adding pump 32, the fourth liquid adding pump 33, the fifth liquid adding pump 34, and the sixth liquid adding pump 35 respectively by the first liquid adding flow meter 37, the second liquid adding flow meter 37, the third liquid adding flow meter 38, the fourth liquid adding flow meter 39, the fifth liquid adding flow meter 40, and the sixth liquid adding flow meter 41.

Further, the intelligent control device 17 is electrically connected to the power device 2, the hydraulic system 4, the plurality of liquid adding pumps and the plurality of liquid adding flow meters of the chemical additive device 13, the feeding device 15, the first acid liquid flow meter 20, the second acid liquid flow meter 21, the clean water flow meter 22, the discharge flow meter 23, the electronic liquid level meter 28, the first liquid adding flow meter 36, the second liquid adding flow meter 37, the third liquid adding flow meter 38, the fourth liquid adding flow meter 39, the fifth liquid adding flow meter 40, the sixth liquid adding flow meter 41, the first spiral powder conveying machine 42, the second spiral powder conveying machine 43, the first spiral powder conveying machine rotation speed sensor 44, the second spiral powder conveying machine rotation speed sensor 45, the first powder tank electronic scale 46, and the second powder tank electronic scale 47 through a line.

Further, the multifunctional automatic continuous acid preparing equipment further comprises a cooling fan 19, and the cooling fan is installed on the bearing device 1 and is arranged adjacent to the power device.

Implementation mode one

Taking the gelled acid formula mixing as an example, the working flow is as follows: the clean water centrifugal pump 8 sucks clean water from the outside into a first separation chamber of the mixing tank 7 through the anti-corrosion manifold device 12, the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the clean water through the clean water flow meter 22, the first acid liquid centrifugal pump 9 sucks first acid liquid from the outside into a first high-energy mixer 24 through the anti-corrosion manifold device 12 and then flows into the first separation chamber of the mixing tank 7, the first high-energy mixer 24 generates negative pressure through flowing acid liquid, sucks first powder from a first powder storage tank 26 and mixes the flowing acid liquid with the first high-energy mixer 24 in real time on line to form first solution, the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the first solution through the first acid liquid flow meter 20,

the intelligent control device 17 records the powder dropping amount of the first powder through a first powder tank electronic scale 46, clear water in the first compartment of the mixing tank 7 and the formed first solution are mixed again through a stirrer 18 to form a second solution, the second acid-liquid centrifugal pump 10 sucks the second solution from the first compartment of the mixing tank 7 through the anti-corrosion manifold device 12 into a second high-energy mixer 25 and then flows into the second compartment of the mixing tank 7, the second high-energy mixer 25 generates negative pressure through flowing of the second solution, and sucks the powder 2 from a second powder storage tank 27 and mixes the powder 2 with the flowing solution 2 in the second high-energy mixer 25 in real time in an online manner to form a third solution;

the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the third solution through a second acid liquid flow meter 21, the intelligent control device 17 records the powder dropping amount of the second powder through a second powder tank electronic scale 47, and the third solution in the second compartment of the mixing tank 7 is mixed again by another stirrer 18 to form a finished acid liquid;

the electronic liquid level meter 28 on the mixing tank 7 feeds the liquid level in the mixing tank 7 back to the intelligent control device 17, the chemical additive device 13 adds liquid chemical additives into the mixing tank 7 and the anti-corrosion manifold device 12 respectively through a plurality of liquid adding pumps (a first liquid adding pump 30, a second liquid adding pump 31, a third liquid adding pump 32, a fourth liquid adding pump 33, a fifth liquid adding pump 34 and a sixth liquid adding pump 35) according to requirements,

the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the liquid chemical additive through a plurality of liquid adding flow meters (a first liquid adding flow meter 36, a second liquid adding flow meter 37, a third liquid adding flow meter 38, a fourth liquid adding flow meter 39, a fifth liquid adding flow meter 40 and a sixth liquid adding flow meter 41), the discharge centrifugal pump 11 sucks finished acid liquid from a second separation cavity of the mixing tank 7 and discharges the finished acid liquid into a user storage tank or operation equipment, and the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the finished acid liquid through flow information detected by the discharge flow meter 23.

In order to ensure the quality of the finished acid liquor, the intelligent control device 17 receives detection signals sent by a first acid liquor flow meter 20, a second acid liquor flow meter 21, a clean water flow meter 22, a discharge flow meter 23, an electronic liquid level meter 28, a first liquid adding flow meter 36, a second liquid adding flow meter 37, a third liquid adding flow meter 38, a fourth liquid adding flow meter 39, a fifth liquid adding flow meter 40, a sixth liquid adding flow meter 41, a first spiral powder conveying machine rotation speed sensor 44, a second spiral powder conveying machine rotation speed sensor 45, a first powder tank electronic scale 46 and a second powder tank electronic scale 47,

the intelligent control device 17 automatically compares the concentration of the clear water with the preset concentration of the gelled acid formula in real time, and if the addition amount of the clear water is deviated from the preset concentration of the gelled acid formula, the intelligent control device 17 generates a control signal for the hydraulic system 4 to adjust the instantaneous discharge amount of the clear water centrifugal pump 8 in real time so as to ensure that the addition amount of the clear water is consistent with the ratio of the preset concentration of the gelled acid formula.

Similarly, when the addition amounts of the acid liquor, the first powder, the second powder and various chemical additives are different from the preset gelled acid formula, the intelligent control device 17 sends a control signal of the hydraulic system 4 to adjust the addition amounts of the first acid liquor centrifugal pump 9, the second acid liquor centrifugal pump 10, the first spiral powder conveyor 42, the second spiral powder conveyor 43, the first liquid addition pump 30, the second liquid addition pump 31, the third liquid addition pump 32, the fourth liquid addition pump 33, the fifth liquid addition pump 34 and the sixth liquid addition pump 35 in real time, so as to ensure that the addition amounts of the acid liquor, the first powder, the second powder and various chemical additives are consistent with the preset gelled acid formula concentration, and thus the quality of the finished acid liquor is ensured.

In order to ensure that the mixing tank does not overflow during operation to cause safety accidents, the intelligent control device 17 adjusts the instantaneous discharge capacities of the clean water centrifugal pump 8, the first acid liquid centrifugal pump 9, the second acid liquid centrifugal pump 10, the first liquid adding pump 30, the second liquid adding pump 31, the third liquid adding pump 32, the fourth liquid adding pump 33, the fifth liquid adding pump 34 and the sixth liquid adding pump 35 in real time by controlling signals for the hydraulic system 4 through liquid level signals fed back by the electronic liquid level meter 28, the first acid liquid flow meter 20, the second acid liquid flow meter 21, the clean water flow meter 22, the discharge flow meter 23, the first liquid adding flow meter 36, the second liquid adding flow meter 37, the third liquid adding flow meter 38, the fifth liquid adding flow meter 39, and the sixth liquid adding flow meter 41, so as to ensure that the liquid level in the mixing tank 7 is maintained at a safe level and avoid overflow.

Second embodiment

Taking the conventional formula mixing as an example, the working flow is as follows: the clean water centrifugal pump 8 sucks clean water from the outside into a first separation chamber of the mixing tank 7 through the anti-corrosion manifold device 12, the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the clean water through the clean water flow meter 22, the first acid liquid centrifugal pump 9 sucks first acid liquid from the outside into the first high-energy mixer 24 through the anti-corrosion manifold device 12 and then flows into the first separation chamber of the mixing tank 7, the first high-energy mixer 24 generates negative pressure through flowing acid liquid, sucks first powder from the first powder storage tank 26 and mixes the flowing acid liquid with the first high-energy mixer 24 in real time on line to form first solution, and the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the acid liquid through the first acid liquid flow meter 20,

the intelligent control device 17 records the powder dropping amount of the first powder through a first powder tank electronic scale 46, the second acid liquid centrifugal pump 10 sucks second acid liquid from the outside through a corrosion prevention manifold device 12, the second acid liquid is sucked into a second high-energy mixer 25 and then flows into a first separation chamber of a mixing tank 7, the second high-energy mixer 25 generates negative pressure through flowing second solution, second powder is sucked from a second powder storage tank 27 and is mixed with the flowing second solution in the second high-energy mixer 25 in real time on line to form third solution, the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of the third solution through a second acid liquid flow meter 21, the intelligent control device 17 records the powder dropping amount of the second powder through a second powder tank electronic scale 47, and clean water, the first solution and the second solution in the first separation chamber of the mixing tank 7 are mixed again through a stirrer 18 to form finished acid liquid,

the electronic liquid level meter 28 on the mixing tank 7 feeds the liquid level in the mixing tank 7 back to the intelligent control device 17, the chemical additive device 13 adds liquid chemical additives into the mixing tank 7 and the corrosion-proof manifold device 12 through a plurality of liquid adding pumps (a first liquid adding pump 30, a second liquid adding pump 31, a third liquid adding pump 32, a fourth liquid adding pump 33, a fifth liquid adding pump 34 and a sixth liquid adding pump 35) according to requirements, the intelligent control device 17 records the instantaneous discharge capacity and the accumulated discharge capacity of various liquid chemical additives through a plurality of liquid adding flow meters (a first liquid adding flow meter 36, a second liquid adding flow meter 37, a third liquid adding flow meter 38, a fourth liquid adding flow meter 39, a fifth liquid adding flow meter 40 and a sixth liquid adding flow meter 41), the discharge centrifugal pump 11 sucks finished acid liquid from the first compartment of the mixing tank 7 into a user storage tank or operation equipment, and the intelligent control device 17 records the instantaneous acid liquid flow meter and the accumulated discharge capacity of finished products through the discharge flow meter 23.

In order to ensure the quality of the finished acid liquor, the intelligent control device 17 receives detection signals generated by a first acid liquor flowmeter 20, a second acid liquor flowmeter 21, a clean water flowmeter 22, a discharge flowmeter 23, an electronic liquid level meter 28, a first liquid adding flowmeter 36, a second liquid adding flowmeter 37, a third liquid adding flowmeter 38, a fourth liquid adding flowmeter 39, a fifth liquid adding flowmeter 40, a sixth liquid adding flowmeter 41, a first spiral powder conveyer rotating speed sensor 44, a second spiral powder conveyer rotating speed sensor 45, a first powder tank 46 and a second powder tank electronic scale 47, the intelligent control device 17 automatically compares the detection signals with the preset gelled acid formula concentration in real time,

if the addition amount of the clean water deviates from the preset concentration of the gelled acid formula, the intelligent control device 17 sends a control signal to the hydraulic system 4 to adjust the instantaneous discharge capacity of the clean water centrifugal pump 8 in real time, so as to ensure that the addition amount of the clean water is consistent with the ratio.

Similarly, when the acid liquor, the first powder, the second powder and the gelled acid formula with the preset additive amount of each chemical additive have a deviation, the intelligent control device 17 sends a control signal to the hydraulic system 4 to adjust the additive amounts of the first acid liquor centrifugal pump 9, the second acid liquor centrifugal pump 10, the first spiral powder conveyor 42, the second spiral powder conveyor 43, the first liquid addition pump 30, the second liquid addition pump 31, the third liquid addition pump 32, the fourth liquid addition pump 33, the fifth liquid addition pump 34 and the sixth liquid addition pump 35 in real time, so as to ensure that the additive amounts of the acid liquor, the first powder, the second powder and each chemical additive are consistent with the ratio, thereby ensuring the quality of the finished acid liquor.

In order to ensure that the mixing tank 7 does not overflow the tank during operation, the intelligent control device 17 adjusts the instantaneous discharge capacity of the clean water centrifugal pump 8, the first acid liquor centrifugal pump 9, the second acid liquor centrifugal pump 10, the first liquid adding pump 30, the second liquid adding pump 31, the third liquid adding pump 32, the fourth liquid adding pump 33, the fifth liquid adding pump 34 and the sixth liquid adding pump 35 in real time by the control signal of the hydraulic system 4 through the liquid level signal fed back by the electronic liquid level meter 28 and the flow signal fed back by the first acid liquor flow meter 20, the second acid liquor flow meter 21, the clean water flow meter 22, the discharge flow meter 23, the first liquid adding flow meter 36, the second liquid adding flow meter 37, the third liquid adding flow meter 38, the fourth liquid adding flow meter 40 and the sixth liquid adding flow meter 41, so as to ensure that the liquid level in the mixing tank 7 is maintained at a safe level and avoid overflow.

The invention is not limited to only that described in the specification and embodiments, and thus additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims (10)

1. The multifunctional automatic continuous acid preparation equipment is characterized by comprising a bearing device (1);

the device comprises a power device (2), a hydraulic system (4), a powder metering and conveying device (5), a mixing device (6), a mixing tank (7), a clear water centrifugal pump (8), a first acid liquid centrifugal pump (9), a second acid liquid centrifugal pump (10), a discharge centrifugal pump (11), an anti-corrosion manifold device (12), a chemical additive device (13), a feeding device (15) and an intelligent control device (17), wherein the power device, the hydraulic system (4), the powder metering and conveying device, the mixing tank (7), the clear water centrifugal pump (8), the first acid liquid centrifugal pump (9), the second acid liquid centrifugal pump (10), the discharge centrifugal pump (11), the chemical additive device, the feeding device (15) and the intelligent control device are assembled on the bearing device (1);

the power device (2) is connected with a hydraulic system (4), the hydraulic system (4) is connected with the anti-corrosion manifold device (12), the anti-corrosion manifold device (12) is connected with the mixing device (6), the mixing tank (7), the clear water centrifugal pump (8), the discharge centrifugal pump (11) and the chemical additive device (13),

the powder metering and conveying device (5) is connected between the mixing device (6) and the feeding device (15); the mixing tank (7) is connected with the chemical additive device (13), and the mixing tank (7) is internally provided with a first compartment and a second compartment; the clear water centrifugal pump (8) is connected with a first separate cavity of the mixing tank (7) through an anti-corrosion manifold device (12),

the first acid liquor centrifugal pump (9) is connected with a first high-energy mixer (24) of the mixing device (6) through a corrosion-resistant manifold device (12), the first high-energy mixer (24) is connected with a first partition cavity of the mixing tank (7), the second acid liquor centrifugal pump (10) is connected with a second high-energy mixer (25) of the mixing device (6) through a corrosion-resistant manifold device (12), the second high-energy mixer (25) is connected with the first partition cavity and a second partition cavity of the mixing tank (7) through the corrosion-resistant manifold device (12), and the discharge centrifugal pump (11) is connected with the first partition cavity and the second partition cavity of the mixing tank (7) through the corrosion-resistant manifold device (12).

2. The multifunctional automatic continuous complex acid equipment of claim 1, characterized in that it further comprises a power distribution device (3), wherein the power distribution device (3) is connected between the power device (2) and the hydraulic system (4).

3. The multifunctional automated continuous acid blending equipment according to claim 1, further comprising an acid mist neutralization tank (16), wherein the acid mist neutralization tank (16) is connected with the mixing tank (7).

4. The multifunctional automatic continuous acid-blending equipment of claim 1, wherein the powder material metering and conveying device (5) comprises a first powder storage tank (26), a second powder storage tank (27), a first spiral powder conveyor (42), a second spiral powder conveyor (43), a first spiral powder conveyor rotating speed sensor (44), a second spiral powder conveyor rotating speed sensor (45), a first powder tank electronic scale (46) and a second powder tank electronic scale (47);

the first powder storage tank (26) is connected with the first high-energy mixer (24) through a first spiral powder conveying machine (42), the second powder storage tank (27) is connected with the second high-energy mixer (25) through a second spiral powder conveying machine (43), and the first spiral powder conveying machine (42) conveys powder in the first powder storage tank (26) to the first mixer (24); the second spiral powder conveying machine (43) conveys the powder in the second powder storage tank (27) to the second mixer (24), the first spiral powder conveying machine rotating speed sensor (44) is arranged on the first spiral powder conveying machine (42), and the second spiral powder conveying machine rotating speed sensor (45) is arranged on the second spiral powder conveying machine (43); the first powder tank electronic scale (46) is arranged on the first powder storage tank (26), and the second powder tank electronic scale (47) is arranged on the second powder storage tank (27).

5. The multifunctional automatic continuous acid blending equipment according to claim 4, wherein the mixing tank (7) is provided with a stirrer (18), an electronic liquid level meter (28) and a liquid level perspective window (29); the electronic liquid level meter (28) is located at the top of the mixing tank (7), and scales are arranged at the liquid level perspective window (29).

6. The multi-functional automatic continuous acid-blending equipment according to claim 5, characterized in that a stirrer (18) is arranged in the first compartment and a stirrer (18) is arranged in the second compartment, and the multi-functional automatic continuous acid-blending equipment further comprises a clear water flow meter (22), wherein the clear water centrifugal pump (8) is connected with the clear water flow meter (22) through a corrosion-proof manifold device (12), and the clear water flow meter (22) is connected with the first compartment of the mixing tank (7).

7. The multi-functional automatic continuous acid dispensing apparatus according to claim 6, further comprising a first acid flow meter (20), wherein the first acid liquid centrifugal pump (9) is connected to the first acid liquid flow meter (20) through an anti-corrosion manifold device (12), and wherein the first acid liquid flow meter (20) is connected to the first high-energy mixer (24).

8. The multifunctional automated continuous acid blending equipment according to claim 7, further comprising a second acid flow meter (21), wherein the second acid liquid centrifugal pump (10) is connected with the second acid liquid flow meter (21) through an anti-corrosion manifold device (12), and the second acid liquid flow meter (21) is connected with the second high-energy mixer (25).

9. The multi-functional automatic continuous acid-making equipment according to claim 8, further comprising a discharge flow meter (23), said discharge centrifugal pump (11) being connected to the discharge flow meter (23) through a corrosion-proof manifold device (12), said discharge flow meter (23) being connected to the second compartment of said mixing tank (7).

10. The multifunctional automatic continuous acid-blending equipment according to claim 9, wherein the intelligent control device (17) is electrically connected with the power device (2), the hydraulic system (4), the chemical additive device (13), the feeding device (15), the first acid liquid flow meter (20), the second acid liquid flow meter (21), the clear water flow meter (22), the discharge flow meter (23), the electronic liquid level meter (28), the first spiral powder conveyor (42), the second spiral powder conveyor (43), the first spiral powder conveyor rotation speed sensor (44), the second spiral powder conveyor rotation speed sensor (45), the first powder tank electronic scale (46) and the second powder tank electronic scale (47).

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