CN214332328U - Homogeneous multi-path multi-point medicament precise injection device - Google Patents
Homogeneous multi-path multi-point medicament precise injection device Download PDFInfo
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- CN214332328U CN214332328U CN202023166986.XU CN202023166986U CN214332328U CN 214332328 U CN214332328 U CN 214332328U CN 202023166986 U CN202023166986 U CN 202023166986U CN 214332328 U CN214332328 U CN 214332328U
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Abstract
The utility model belongs to the technical field of chemical dosing of petrochemical process media, in particular to a homogeneous multi-path multi-point medicament precise injection device, which comprises a pulse type homogeneous distributor, a manual ball valve I, a manual ball valve II, an online flowmeter, an electromagnetic valve and a PLC explosion-proof intelligent control cabinet, wherein a feed inlet of the pulse type homogeneous distributor is connected with an inlet pipeline, a discharge outlet of the pulse type homogeneous distributor is connected with a multi-path pipeline of the petrochemical multi-point process pipeline in a one-to-one correspondence way through a plurality of discharge pipelines, each discharge pipeline comprises a main discharge pipe and a bypass discharge pipe which are connected in parallel, the manual ball valve I, the online flowmeter and the electromagnetic valve are sequentially arranged on each main discharge pipe along the liquid flow direction, the manual ball valve II is arranged on each bypass discharge pipe, and a programmable logic controller PLC controls the opening frequency and the opening time of the electromagnetic valve according to the medicament flow rate required by the process media and the information of the online flowmeter, the on-line intelligent closed-loop control of the injection amount of the medicament is realized, the injection precision is higher, the cost is low, and the occupied area is saved.
Description
Technical Field
The utility model belongs to the technical field of petrochemical industry technology medium chemistry adds the medicine, concretely relates to accurate injection device of homogeneity multichannel multiple spot medicament.
Background
In petrochemical refineries, in order to improve the product properties of oil and the necessary steps in production, it is necessary to add chemicals into the process line, such as: the corrosion inhibitor, the scale inhibitor, the organic amine and the like are added into an atmospheric/vacuum device, the vulcanizing agent, the chlorinating agent and the like are added during continuous reforming, the trisodium phosphate solution is added into a boiler steam drum, the concentrated sulfuric acid, the corrosion inhibitor, the scale inhibitor and the like are added into a circulating water field, and the adding of the medicament in the occasions needs medicament adding equipment, the traditional medicament adding equipment adopts manual medicament adding, one pump corresponds to one inlet pipeline and one injection pipeline, so that the operation is troublesome, the cost is high, the occupied area is large, the filling precision is low, and the influence on process pipeline media is large.
Disclosure of Invention
In order to solve the problem in the background art, the utility model discloses a homogeneity multichannel multiple spot medicament precision injection device, including pulsed homogeneity distributor, solenoid valve and online flowmeter, the filling precision is higher, with low costs, save area.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a homogeneity multichannel multiple spot medicament precision injection device, including getting into the pipeline, pulsed homogeneous distributor, manual ball valve I, manual ball valve II, online flowmeter and solenoid valve, it is connected with the medicament source to get into pipeline one end, it is connected with pulsed homogeneous distributor's feed inlet to get into the pipeline other end, pulsed homogeneous distributor's discharge gate is connected through the multichannel pipeline one-to-one of a plurality of ejection of compact pipelines and petrochemical industry multiple spot process line, ejection of compact pipeline is including parallelly connected main discharging pipe and bypass discharging pipe, follow liquid flow direction and set gradually manual ball valve I on every main discharging pipe, online flowmeter and solenoid valve, be provided with manual ball valve II on every bypass discharging pipe.
Furthermore, the intelligent explosion-proof control cabinet comprises a PLC (programmable logic controller) explosion-proof intelligent control cabinet, the PLC explosion-proof intelligent control cabinet comprises a touch screen and a PLC, the output end of the online flowmeter is connected with the input end of the PLC through a circuit or a wireless signal, and the output end of the PLC is connected with a controller of an electromagnetic valve on each discharge pipeline through a circuit or a wireless signal respectively to control the start and stop of the electromagnetic valve.
Further, still include the base, get into pipeline, pulsed homogeneous distributor, manual ball valve I, manual ball valve II, online flowmeter, solenoid valve and the explosion-proof intelligent control cabinet of PLC interval setting respectively on the base.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an explosion-proof intelligent control cabinet of pulsed homogeneity distributor, manual ball valve I, manual ball valve II, online flowmeter, solenoid valve and PLC, programmable controller PLC realizes the online intelligent closed-loop control medicament injection volume according to the medicament flow that the technology medium needs and the frequency and the time of opening of online flowmeter's information control solenoid valve, and accurate injection control guarantees that the medicament injection volume equals the required injection volume of technology, and the filling precision is higher, with low costs, saves area.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the upper diagram: 1-an inlet line; 2-a pulse type homogeneous distributor; 3-a manual ball valve I; 4-an online flow meter; 5-an electromagnetic valve; 6-manual ball valve II; 7-PLC explosion-proof intelligent control cabinet; 8-petrochemical multi-point process pipelines; 9-base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model discloses a precision injection device of homogeneous multi-path multi-point medicament, which is elaborated in detail by combining with an attached figure 1, and comprises an inlet pipeline 1, a pulse type homogeneous distributor 2, a manual ball valve I3, an online flow meter 4, a solenoid valve 5, a manual ball valve II 6 and a PLC explosion-proof intelligent control cabinet 7, wherein one end of the inlet pipeline 1 is connected with a medicament source, the other end of the inlet pipeline 1 is connected with a feed inlet of the pulse type homogeneous distributor 2, a discharge port of the pulse type homogeneous distributor 2 is connected with multi-path pipelines of a petrochemical multi-point process pipeline 8 in a one-to-one correspondence manner through a plurality of discharge pipelines, each discharge pipeline comprises a main discharge pipe and a bypass discharge pipe which are connected in parallel, the manual ball valve I3, the online flow meter 4 and the solenoid valve 5 are sequentially arranged on each main discharge pipe along the liquid flow direction, the manual ball valve II 6 is arranged on each bypass discharge pipe, the PLC explosion-proof intelligent control cabinet 7 comprises a touch screen and a programmable controller PLC, the flow value of the medicament required by the process medium is preset through a touch screen, the on-line flowmeter 4 displays the instantaneous flow value and transmits the instantaneous flow value to the input end of a programmable controller PLC through a 4-20mA signal, the programmable controller PLC automatically calculates according to a flow set value and the instantaneous value of the flowmeter 4, the output end of the programmable controller PLC is connected with a controller of an electromagnetic valve 5 on each discharge pipeline through a line or a wireless signal to control the opening frequency and time of the electromagnetic valve 5, the on-line intelligent closed-loop control of the medicament injection amount is realized, the medicament injection amount is accurately ensured to be equal to the injection amount required by the process, when the on-line flowmeter 4 or the electromagnetic valve 5 on a main discharge pipe is damaged or needs to be overhauled, a manual ball valve I3 is closed, a manual ball valve II 6 is opened, the medicament can be injected to the injection point of the process pipeline through a bypass discharge pipe, and the continuous injection of the medicament is realized, no shutdown process is required.
As optional design, preferably still include base 9, get into pipeline 1, pulsed homogeneous distributor 2, manual ball valve I3, online flowmeter 4, solenoid valve 5, manual ball valve II 6 and the explosion-proof intelligent control cabinet 7 of PLC interval respectively set up on base 9, be convenient for observe convenient operation.
The utility model discloses the working process is as follows:
required medicament flow is set through a touch screen of the PLC explosion-proof intelligent control cabinet 7, a manual ball valve I3 and a pulse type homogeneous distributor 2 are opened, medicament flows into the pulse type homogeneous distributor 2 from an inlet pipeline 1, then flows through an online flowmeter 4 and an electromagnetic valve 5 through a plurality of discharge pipelines, and is injected into multi-way pipeline medium injection points of a petrochemical multi-point process pipeline 8 respectively, according to the required medicament flow and the instantaneous flow of the online flowmeter 4 set in the PLC explosion-proof intelligent control cabinet 12, the opening frequency and time of the electromagnetic valve 5 are automatically adjusted online by the PLC explosion-proof intelligent control cabinet 12, online intelligent closed-loop multi-stage control medicament injection amount is achieved, accurate injection control is achieved, the medicament injection amount is ensured to be the required injection amount of the process, the injection accuracy is higher, the cost is low, and the operation is convenient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (3)
1. A kind of homogeneous multiway multipoint medicament precision injection device, its characteristic is: including getting into the pipeline, pulsed homogenizer distributor, manual ball valve I, manual ball valve II, online flowmeter and solenoid valve, it is connected with the medicament source to get into pipeline one end, it is connected with pulsed homogenizer distributor's feed inlet to get into the pipeline other end, pulsed homogenizer distributor's discharge gate is connected through the multichannel pipeline one-to-one of a plurality of ejection of compact pipelines and petrochemical industry multiple spot technology pipeline, ejection of compact pipeline is including parallelly connected main discharging pipe and bypass discharging pipe, it has set gradually manual ball valve I to follow liquid flow direction on every main discharging pipe, online flowmeter and solenoid valve, be provided with manual ball valve II on every bypass discharging pipe.
2. The apparatus of claim 1, wherein: the intelligent explosion-proof control cabinet of the PLC comprises a touch screen and a Programmable Logic Controller (PLC), the output end of the online flowmeter is connected with the input end of the PLC through a line or a wireless signal, the output end of the PLC is connected with a controller of an electromagnetic valve on each discharge pipeline through a line or a wireless signal respectively, and the starting and stopping of the electromagnetic valve are controlled.
3. The apparatus of claim 2, wherein: still include the base, get into pipeline, pulsed homogeneity distributor, manual ball valve I, manual ball valve II, online flowmeter, solenoid valve and the explosion-proof intelligent control cabinet of PLC separate the interval setting on the base respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023166986.XU CN214332328U (en) | 2020-12-25 | 2020-12-25 | Homogeneous multi-path multi-point medicament precise injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023166986.XU CN214332328U (en) | 2020-12-25 | 2020-12-25 | Homogeneous multi-path multi-point medicament precise injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214332328U true CN214332328U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023166986.XU Active CN214332328U (en) | 2020-12-25 | 2020-12-25 | Homogeneous multi-path multi-point medicament precise injection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214332328U (en) |
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2020
- 2020-12-25 CN CN202023166986.XU patent/CN214332328U/en active Active
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