CN210559447U - Self-adaptive dosing flow adjusting device based on control backflow - Google Patents
Self-adaptive dosing flow adjusting device based on control backflow Download PDFInfo
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- CN210559447U CN210559447U CN201920973213.0U CN201920973213U CN210559447U CN 210559447 U CN210559447 U CN 210559447U CN 201920973213 U CN201920973213 U CN 201920973213U CN 210559447 U CN210559447 U CN 210559447U
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Abstract
The utility model provides a reduce manual operation cost, reach accurate control flow based on control backward flow self-adaptation regulation medicine flow device. The utility model adopts the technical proposal that: based on control backward flow self-adaptation regulation adds medicine flow device, including adding medicine pipeline, adding medicine pump package, flowmeter and electrical control valve, add the medicine mouth of medicine pipeline connection batching pond lower part and the medicine mouth that adds on reaction tank upper portion, add medicine pump package insert in go out medicine mouth department add on the medicine pipeline, add the rear portion of medicine pump package and insert and have the flowmeter, add the medicine pipeline the flowmeter with it has the backflow pipeline to insert between the medicine pump package, be provided with on the backflow pipeline electrical control valve, the end of backflow pipeline with the upper portion in batching pond is connected. The electric regulating valve is an electric proportional regulating ball valve. The utility model relates to a sewage treatment's technical field.
Description
Technical Field
The utility model relates to a sewage treatment's technical field, concretely relates to self-adaptation regulation adds medicine flow device based on control reflux.
Background
In the sewage treatment industry, the method involves pumping liquid medicine from a dispensing pool to a reaction pool for sewage treatment, and controlling the liquid medicine pumped by a water pump through overflow flow control or direct control of the water outlet flow so as to achieve target flow output. At present, due to the fact that the solution concentration is different, the liquid level is different, and specifications and models of water suction pumps are different, the flow is difficult to control accurately, and the flow is very unstable. Even when the flow rate is controlled to be smaller, the liquid medicine cannot be pumped due to the difference of the conditions. Currently, the flow control is mostly adjusted manually by a human operator. Especially aiming at the rear-end dosing process, unstable dosing directly influences the effluent quality effect.
Therefore, a set of logic and a device capable of automatically controlling the flow of the added medicine are developed, the function of automatic adjustment according to the set target flow is realized, the manual operation cost is reduced, the flow is accurately controlled, the operation effects of biochemical, medicine adding and other processes are stably controlled, and the automatic control system has important significance for automatic management.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide one kind and reduce the manual operation cost, reach accurate control flow based on control return flow self-adaptation regulation medicine flow device.
The utility model adopts the technical proposal that:
based on control backward flow self-adaptation regulation adds medicine flow device, including adding medicine pipeline, adding medicine pump package, flowmeter and electrical control valve, add the medicine mouth of medicine pipeline connection batching pond lower part and the medicine mouth that adds on reaction tank upper portion, add medicine pump package insert in go out medicine mouth department add on the medicine pipeline, add the rear portion of medicine pump package and insert and have the flowmeter, add the medicine pipeline the flowmeter with it has the backflow pipeline to insert between the medicine pump package, be provided with on the backflow pipeline electrical control valve, the end of backflow pipeline with the upper portion in batching pond is connected. The electric regulating valve is an electric proportional regulating ball valve.
In the scheme, in the dosing process, the instantaneous flow of the upper liquid medicine is monitored by using the flowmeter, and the flow of the backflow is adjusted through the electric proportional adjustment ball valve so as to control the final dosing flow within a target value range, so that the automatic stabilization of the dosing flow is realized.
Furthermore, the medicine adding pump set comprises two groups of medicine adding pumps which are arranged in parallel, and the front part of each group of medicine adding pumps is connected with a check valve.
In the above scheme, two dosing pumps can be selected respectively, wherein one pump can be used for the other pump when the pump is broken.
Furthermore, the device for adaptively adjusting the medicine adding flow based on control backflow further comprises a controller, and the medicine adding pump set, the flow meter and the electric regulating valve are respectively electrically connected with the controller. The flowmeter is an electromagnetic flowmeter.
In the scheme, the controller plays a role in regulation and control, and the flow is accurately controlled.
The utility model has the advantages that: by monitoring the flow of the discharged water, the instantaneous flow of the solution discharged water is real-time, the stable range of the discharged water is ensured, and the quality of the discharged water is ensured to reach the standard. The degree of automation is promoted, personnel supervision and adjustment are not needed, and the labor cost is saved. The device can be designed on an old engineering system again, simple and convenient transformation and installation are carried out, and the practicability is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-drug adding pipeline, 2-drug adding pump set, 3-flowmeter, 4-electric regulating valve, 5-drug preparing pool, 6-reaction pool, 7-reflux pipeline, 8-drug adding pump, 9-check valve and 10-controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, an embodiment of a self-adaptive control medicine-adding flow device based on control backflow is shown, and the self-adaptive control medicine-adding flow device comprises a medicine-adding pipeline 1, a medicine-adding pump set 2, a flow meter 3 and an electric regulating valve 4, wherein the medicine-adding pipeline 1 is connected with a medicine outlet at the lower part of a medicine-adding pool 5 and a medicine adding outlet at the upper part of a reaction pool 6, the medicine-adding pump set 2 is connected onto the medicine-adding pipeline 1 at the medicine outlet, the flow meter 3 is connected onto the rear part of the medicine-adding pump set 2, a backflow pipeline 7 is connected between the flow meter 3 and the medicine-adding pump set 2 through the medicine-adding pipeline. In the medicine adding process, the flowmeter 3 is used for monitoring the instantaneous flow of the medicine liquid, and the backflow flow is adjusted through the electric proportional adjustment ball valve so as to control the final medicine adding flow within a target value range, so that the automatic medicine adding flow is stabilized.
The medicine adding pump set 2 comprises two groups of medicine adding pumps 8 which are arranged in parallel, and the front part of each group of medicine adding pumps 8 is connected with a check valve 9. Two dosing pumps 8 can be selected separately, one of which can be used on top of the other.
The self-adaptive medicine adding flow adjusting device based on control backflow further comprises a controller 10, and the medicine adding pump set 2, the flow meter 3 and the electric regulating valve 4 are respectively electrically connected with the controller 10. The flow meter 3 is an electromagnetic flow meter. The controller 10 plays a role in regulation and control, so that the flow can be accurately controlled.
The utility model has the advantages that: by monitoring the flow of the discharged water, the instantaneous flow of the solution discharged water is real-time, the stable range of the discharged water is ensured, and the quality of the discharged water is ensured to reach the standard. The degree of automation is promoted, personnel supervision and adjustment are not needed, and the labor cost is saved. The device can be designed on an old engineering system again, simple and convenient transformation and installation are carried out, and the practicability is high.
The utility model discloses a workflow description: the dosing pump 8 pumps the liquid medicine in the dosing pool 5, the liquid medicine monitors the instantaneous flow of the liquid medicine through the flowmeter 3, and the flow of backflow is adjusted through the electric proportional control ball valve so as to control the flow of final dosing within a target value range, thereby realizing the automatic and stable dosing flow.
The controller 10 collects the instantaneous flow data of the liquid medicine pumped by the medicine feeding pump 8, determines a target flow value, and controls the flow by adjusting the opening of a valve of a ball valve in an electric proportion mode when the actual value is not within the deviation range of the target value.
The controller 10 sets a plurality of sampling points to obtain a curve of the instantaneous flow, and reasonably judges the adjustment percentage amplitude of the electric proportional control ball valve through an algorithm.
The controller 10 can allow setting of the step proportional opening of each adjustment under different conditions to avoid too large or too small flow adjustment when controlling the valve of the electric proportional adjustment ball valve.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (5)
1. The utility model provides a based on control backward flow self-adaptation regulation adds medicine flow device which characterized in that: it includes adds medicine pipeline (1), adds medicine pump package (2), flowmeter (3) and electrical control valve (4), add medicine pipeline (1) and connect the medicine mouth that goes out of medicine pond (5) lower part and the medicine mouth that adds on reaction tank (6) upper portion, add medicine pump package (2) access in go out medicine mouth department add on the medicine pipeline (1), the rear portion of adding medicine pump package (2) is inserted and is had flowmeter (3), add medicine pipeline (1) flow meter (3) with it has backflow pipeline (7) to insert between medicine pump package (2), be provided with on backflow pipeline (7) electrical control valve (4), the end of backflow pipeline (7) with the upper portion of preparing medicine pond (5) is connected.
2. The device for adaptively adjusting dosing flow based on control backflow according to claim 1, wherein: the drug adding pump set (2) comprises two groups of drug adding pumps (8) which are arranged in parallel, and a check valve (9) is connected to the front part of each drug adding pump (8).
3. The device for adaptively adjusting dosing flow based on control backflow according to claim 2, wherein: the self-adaptive medicine adding flow adjusting device based on control backflow further comprises a controller (10), and the medicine adding pump set (2), the flow meter (3) and the electric regulating valve (4) are electrically connected with the controller (10) respectively.
4. The device for adaptively adjusting dosing flow based on control backflow according to claim 1, wherein: the flowmeter (3) is an electromagnetic flowmeter.
5. The device for adaptively adjusting dosing flow based on control backflow according to claim 1, wherein: the electric regulating valve (4) is an electric proportional regulating ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973213.0U CN210559447U (en) | 2019-06-26 | 2019-06-26 | Self-adaptive dosing flow adjusting device based on control backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973213.0U CN210559447U (en) | 2019-06-26 | 2019-06-26 | Self-adaptive dosing flow adjusting device based on control backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210559447U true CN210559447U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920973213.0U Active CN210559447U (en) | 2019-06-26 | 2019-06-26 | Self-adaptive dosing flow adjusting device based on control backflow |
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| Country | Link |
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| CN (1) | CN210559447U (en) |
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2019
- 2019-06-26 CN CN201920973213.0U patent/CN210559447U/en active Active
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