CN210858688U - Automatic control device for concentration of prepared liquid - Google Patents
Automatic control device for concentration of prepared liquid Download PDFInfo
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- CN210858688U CN210858688U CN201921668602.9U CN201921668602U CN210858688U CN 210858688 U CN210858688 U CN 210858688U CN 201921668602 U CN201921668602 U CN 201921668602U CN 210858688 U CN210858688 U CN 210858688U
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Abstract
The utility model relates to an oil development fracturing unit technical field especially relates to an automatic control device who joins in marriage liquid concentration. The device comprises a liquid supply mechanism, a liquid adding mechanism, a suction manifold, a discharge manifold and an electric control mechanism, wherein the liquid supply mechanism comprises a first centrifugal pump and a first electromagnetic flowmeter; the liquid supply mechanism supplies clean water to the suction manifold through the first centrifugal pump; the liquid adding mechanism comprises a second centrifugal pump and a second electromagnetic flowmeter, and additives are added into the suction manifold through the second centrifugal pump and form a liquid preparation together with the clean water; the first electromagnetic flowmeter collects the clear water flow and feeds the clear water flow value back to the electric control system; the second electromagnetic flowmeter collects the additive flow and feeds the additive flow value back to the electric control system. The utility model provides an automatic control device who joins in marriage liquid concentration, control rigorously, convenient operation can real-time automatically regulated liquid add the discharge capacity of additive in the mechanism, need not artifical on duty and concentration ratio precision height.
Description
Technical Field
The utility model relates to an oil development fracturing unit technical field especially relates to an automatic control device who joins in marriage liquid concentration.
Background
In the process of exploitation of an oil and gas field, a fracturing technology is one of important technical means for increasing storage and production of the oil and gas field, and in the process of fracturing operation, the performance of fracturing equipment directly determines the fracturing effect of the oil and gas well and the increase of oil and gas yield. The conventional fracturing equipment mainly comprises a fracturing truck group and auxiliary supporting equipment thereof. The remote water supply and supply device is mainly used for preparing and providing slickwater in fracturing operation.
At present, when a remote water supply and supply device is provided with slick water, an operator manually controls a switch to adjust the discharge capacity of a liquid adding pump according to the required proportioning concentration and the discharge capacity of a main centrifugal pump so as to ensure that the quantity of additives injected into clear water meets the concentration requirement. The operation method needs long-term attendance of workers, and the manual operation is easy to cause errors, high in operation cost and inaccurate in concentration ratio.
Disclosure of Invention
Technical problem to be solved
The utility model provides an automatic control device of joining in marriage liquid concentration to it is inaccurate to overcome the joining in marriage liquid concentration among the prior art, and the operating cost is high, workman long-term on duty scheduling problem.
(II) technical scheme
In order to solve the above problem, the utility model provides an automatic control device of joining in marriage liquid concentration, include:
the liquid supply mechanism, the liquid adding mechanism, the suction manifold, the discharge manifold and the electric control mechanism are connected with the liquid supply mechanism and the liquid adding mechanism;
the liquid supply mechanism comprises a first centrifugal pump and a first electromagnetic flowmeter; the liquid supply mechanism supplies clean water to the suction manifold through the first centrifugal pump;
the liquid adding mechanism comprises a second centrifugal pump and a second electromagnetic flowmeter, and additives are added into the suction manifold through the second centrifugal pump to form a liquid preparation together with the clean water;
the first electromagnetic flowmeter collects the flow of the clear water discharged by the liquid supply mechanism and feeds the flow value of the clear water back to the electric control system;
the second electromagnetic flowmeter collects the additive flow discharged from the liquid adding mechanism and feeds the additive flow value back to the electric control system;
the electric control system calculates according to flow values fed back by the first electromagnetic flowmeter and the second electromagnetic flowmeter to generate a solution preparation concentration value, compares the solution preparation concentration value with a solution preparation concentration threshold value, generates a starting instruction if the solution preparation concentration value is the same as the solution preparation concentration threshold value, and opens a valve of the discharge manifold according to the starting instruction to discharge the solution preparation through the discharge manifold;
if the concentration value of the prepared liquid is greater than the concentration threshold value of the prepared liquid, generating a clear water supply instruction, and controlling the liquid supply mechanism to continuously supply clear water to the suction manifold;
and if the solution preparation concentration value is smaller than the solution preparation concentration threshold value, generating an additive supply command, and controlling the solution adding mechanism to continuously add the additive into the suction manifold.
Preferably, the additive comprises a friction reducer.
(III) advantageous effects
The utility model provides an automatic control device who joins in marriage liquid concentration, control rigorously, convenient operation can real-time automatically regulated liquid add the discharge capacity of additive in the mechanism, need not artifical on duty and concentration ratio precision height.
Drawings
Fig. 1 is a schematic view of an automatic control device for the solution preparation concentration according to the embodiment of the present invention.
In the figure: 1: a liquid adding mechanism; 2: a liquid supply mechanism; 3: a second electromagnetic flow meter; 4: a suction manifold; 5: a first electromagnetic flow meter; 6: and (6) discharging the manifold.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model provides an automatic control device for the concentration of a prepared liquid, which comprises a liquid supply mechanism 2, a liquid adding mechanism 1, a suction manifold 4, a discharge manifold 6 and an electric control mechanism, wherein the electric control mechanism is connected with the liquid supply mechanism and the liquid adding mechanism;
the liquid supply mechanism 2 comprises a first centrifugal pump and a first electromagnetic flow meter 5; the liquid supply mechanism supplies clean water to the suction manifold through the first centrifugal pump;
the liquid adding mechanism 1 comprises a second centrifugal pump and a second electromagnetic flow meter 3, and additives are added into the suction manifold through the second centrifugal pump to form a liquid preparation together with clear water;
the first electromagnetic flowmeter 5 collects the flow of the clear water discharged by the liquid supply mechanism and feeds the flow value of the clear water back to the electric control system;
the second electromagnetic flowmeter 3 collects the additive flow discharged from the liquid adding mechanism and feeds back the additive flow value to the electric control system;
the electric control system calculates according to flow values fed back by the first electromagnetic flowmeter 5 and the second electromagnetic flowmeter 6 to generate a solution preparation concentration value, compares the solution preparation concentration value with a solution preparation concentration threshold value, generates a starting instruction if the solution preparation concentration value is the same as the solution preparation concentration threshold value, and opens a valve of the discharge manifold according to the starting instruction to discharge the solution preparation through the discharge manifold;
if the concentration value of the prepared liquid is greater than the concentration threshold value of the prepared liquid, generating a clear water supply instruction, and controlling the liquid supply mechanism to continuously supply clear water to the suction manifold;
and if the solution preparation concentration value is smaller than the solution preparation concentration threshold value, generating an additive supply command, and controlling the solution adding mechanism to continuously add the additive into the suction manifold.
In practical applications, the additive comprises a friction reducer.
The utility model provides an automatic control device who joins in marriage liquid concentration is by electrical system according to the concentration value of preset and the change of discharge capacity, and the discharge capacity of centrifugal pump among the automatic control liquid adds the system makes the concentration ratio of liquid additive and clear water keep unanimous with the setting value in real time, makes the direct suitable concentration of providing downstream equipment of feed liquid system exhaust manifold join in marriage liquid.
The utility model provides an automatic control device who joins in marriage liquid concentration has following advantage:
(1) the control is precise, the operation is convenient, and the problems of inaccurate solution preparation concentration, high operation cost and long-term worker attendance can be effectively solved.
(2) Through the flowmeters in the main liquid supply system and the liquid adding system, the electric control system can master the concentration of the prepared liquid in real time. When the concentration of the prepared liquid does not meet the requirement of a well site, the electric control system automatically adjusts the discharge capacity of the liquid adding pump, so that the concentration of the prepared liquid meets the requirement.
(3) The automatic monitoring and adjustment of the electric control system are realized, the problem of inaccurate concentration of the prepared liquid does not need to be worried, the flow of manually calculating the concentration is omitted, the labor cost is reduced, and the working efficiency is improved.
(4) When liquid preparation with different concentrations is needed, the concentration value is changed only on the operating console, and the system is automatically adjusted, so that the liquid preparation device is convenient and quick.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (2)
1. An automatic control device for the concentration of a prepared liquid is characterized by comprising:
the liquid supply mechanism, the liquid adding mechanism, the suction manifold, the discharge manifold and the electric control mechanism are connected with the liquid supply mechanism and the liquid adding mechanism;
the liquid supply mechanism comprises a first centrifugal pump and a first electromagnetic flowmeter; the liquid supply mechanism supplies clean water to the suction manifold through the first centrifugal pump;
the liquid adding mechanism comprises a second centrifugal pump and a second electromagnetic flowmeter, and additives are added into the suction manifold through the second centrifugal pump to form a liquid preparation together with the clean water;
the first electromagnetic flowmeter collects the flow of the clear water discharged by the liquid supply mechanism and feeds the flow value of the clear water back to the electric control system;
the second electromagnetic flowmeter collects the additive flow discharged from the liquid adding mechanism and feeds the additive flow value back to the electric control system;
the electric control system calculates according to flow values fed back by the first electromagnetic flowmeter and the second electromagnetic flowmeter to generate a solution preparation concentration value, compares the solution preparation concentration value with a solution preparation concentration threshold value, generates a starting instruction if the solution preparation concentration value is the same as the solution preparation concentration threshold value, and opens a valve of the discharge manifold according to the starting instruction to discharge the solution preparation through the discharge manifold;
if the concentration value of the prepared liquid is greater than the concentration threshold value of the prepared liquid, generating a clear water supply instruction, and controlling the liquid supply mechanism to continuously supply clear water to the suction manifold;
and if the solution preparation concentration value is smaller than the solution preparation concentration threshold value, generating an additive supply command, and controlling the solution adding mechanism to continuously add the additive into the suction manifold.
2. The automatic control of dosing concentration according to claim 1, wherein the additive comprises a friction reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921668602.9U CN210858688U (en) | 2019-10-08 | 2019-10-08 | Automatic control device for concentration of prepared liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921668602.9U CN210858688U (en) | 2019-10-08 | 2019-10-08 | Automatic control device for concentration of prepared liquid |
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| Publication Number | Publication Date |
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| CN210858688U true CN210858688U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921668602.9U Active CN210858688U (en) | 2019-10-08 | 2019-10-08 | Automatic control device for concentration of prepared liquid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412427A (en) * | 2020-12-02 | 2021-02-26 | 大庆石油管理局有限公司 | Remote linkage liquid supply and distribution system |
| CN112502683A (en) * | 2020-12-02 | 2021-03-16 | 大庆石油管理局有限公司 | Integrated water supply and liquid distribution equipment |
| CN115680590A (en) * | 2021-07-21 | 2023-02-03 | 中国石油天然气集团有限公司 | Full-automatic drilling and grinding fluid configuration and supply device and system and drilling and grinding fluid supply method |
-
2019
- 2019-10-08 CN CN201921668602.9U patent/CN210858688U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412427A (en) * | 2020-12-02 | 2021-02-26 | 大庆石油管理局有限公司 | Remote linkage liquid supply and distribution system |
| CN112502683A (en) * | 2020-12-02 | 2021-03-16 | 大庆石油管理局有限公司 | Integrated water supply and liquid distribution equipment |
| CN115680590A (en) * | 2021-07-21 | 2023-02-03 | 中国石油天然气集团有限公司 | Full-automatic drilling and grinding fluid configuration and supply device and system and drilling and grinding fluid supply method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210831 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 263 South Central Avenue Patentee after: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 263 South Central Avenue Patentee before: DAQING PETROLEUM ADMINISTRATION Co.,Ltd. |
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| TR01 | Transfer of patent right |