CN202238001U - Drug-injecting system for crude oil pre-treating device - Google Patents
Drug-injecting system for crude oil pre-treating device Download PDFInfo
- Publication number
- CN202238001U CN202238001U CN2011203169831U CN201120316983U CN202238001U CN 202238001 U CN202238001 U CN 202238001U CN 2011203169831 U CN2011203169831 U CN 2011203169831U CN 201120316983 U CN201120316983 U CN 201120316983U CN 202238001 U CN202238001 U CN 202238001U
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- controller
- drug
- medicament
- frequency converter
- injecting
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Abstract
The utility model discloses a drug-injecting system for a crude oil pre-treating device, which mainly comprises at least two independent drug-injecting pipelines, wherein a drug pot connecting end is arranged at one end of each of the drug-injecting pipelines while a drug outlet is arranged at the other end; a metering pump, a pressure sensor and a flow meter are arranged on each of the drug-injecting pipelines; the drug-injecting system further comprises a controller and a frequency converter which is matched with the quantity of the metering pump; the pressure sensor and the flow meter are used for inputting signals into the controller; and the controller is electrically connected with the corresponding metering pump through the frequency converter. The drug-injecting system for the crude oil pre-treating device has the advantages that a dosing ratio can be preset in the controller; a corresponding dosing quantity can be automatically calculated by the controller according to the preset dosing ratio, the flow and pressure of the present oil gas; the dosing quantity is converted and transmitted to the frequency converter; a motor which is used for driving the metering pump works at different rotating speeds, thereby forming an effective closed-loop control; and the purpose of efficiently and accurately controlling the output quantity of the drugs of all pipelines is realized.
Description
Technical field
The utility model relates to a kind of concurrently injected medicament flow in pipes of various medicaments device that is used for, especially a kind of Crude Pre device medicament injected system.
Background technology
In commercial production, often exist the situation of various medicaments being injected simultaneously another production system, as in the Crude Pre link, in feedstock oil or oil gas, adding quantitative different medicaments according to the technological requirement needs.Existing medicament flow in pipes device is carried with delivery pump, and the control effect is relatively poor, can not effectively, accurately control the medicament output quantity of each pipeline, thereby influence final dosing ratio, is unfavorable for producing automatically continuously in the industry.
Therefore be necessary to invent a kind of Crude Pre device medicament injected system that can effectively, accurately control the medicament output quantity of each pipeline.
Summary of the invention
The purpose of the utility model is a kind of Crude Pre device medicament injected system that can effectively, accurately control the medicament output quantity of each pipeline that designs for the deficiency that solves above-mentioned technology.
The Crude Pre device medicament injected system that the utility model designed; It mainly comprises at least two independently medicament flow in pipes; One end of medicament flow in pipes is the medicinal cupping link; The other end is the medicament discharging opening, on every medicament flow in pipes, all is provided with measuring pump, pressure sensor and flowmeter, also comprise controller and with the frequency converter of measuring pump quantity Matching; Said pressure sensor and flow meter signal input to controller, and said controller is electrically connected with corresponding measuring pump through frequency converter.
Preferred scheme also comprises host computer, and this host computer is communicated by letter with said controller and is connected.
Further scheme also comprise be arranged in the medicinal cupping, form chain liquid-level switch with measuring pump, this liquid-level switch signal inputs to controller.As preferably, said controller is PLC, and said host computer is a touch-screen.
The Crude Pre device medicament injected system of the utility model gained; In controller, the dosing ratio can be set in advance; Pressure sensor and flowmeter can be gathered medicament flow in pipes internal pressure signal and flow signal and these on-site signals are inputed in the controller, and controller can be according to the dosing of setting when flow, the pressure of current oil gas, calculate automatically to add dose accordingly; Through converting and sending frequency converter to; Make the machine operation that drives measuring pump under different rotating speeds, form a closed-loop control effectively, realize effectively, accurately controlling the medicament output quantity of each pipeline; In addition, owing to adopt converter technique to regulate motor speed, accomplish measuring pump step-less adjustment of (50HZ) from the zero delivery to the full scale, to add dose more accurate thereby make.Adopt the scheme that increases liquid-level switch to carry out the liquid level protection, prevent the sky pump operation measuring pump; Adopt the scheme that increases host computer, it is more directly perceived that whole process is shown, operates more convenient.
Description of drawings
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representations;
Among the figure: medicament flow in pipes 1, medicinal cupping link 2, medicament discharging opening 3, measuring pump 4, pressure sensor 5, flowmeter 6, controller 7, frequency converter 8, host computer 9.
The specific embodiment
Combine accompanying drawing that the utility model is done further to describe through embodiment below.
Embodiment 1:
As shown in Figure 1; The described Crude Pre device of present embodiment medicament injected system; It mainly comprises two independently medicament flow in pipes 1, and an end of medicament flow in pipes 1 is a medicinal cupping link 2, and the other end is a medicament discharging opening 3; On every medicament flow in pipes 1, all be provided with measuring pump 4, pressure sensor 5 and flowmeter 6, also comprise controller 7 (here for PLC) and with the frequency converter 8 of measuring pump 4 quantity Matching; Said pressure sensor 5 inputs to controller 7 with flowmeter 6 signals, and said controller 7 is electrically connected with corresponding measuring pump 4 through frequency converter 8.
Present embodiment is described to be easy to control medicament flow in pipes 1 device of dosing ratio, controller 7 in, the dosing ratio can be set in advance, and pressure sensor 5 and flowmeter 6 can be gathered medicament flow in pipes 1 internal pressure signal and flow signal and these on-site signals are inputed in the controller 7; Controller 7 can be according to the dosing of setting when flow, the pressure of current oil gas; Automatically calculate and add dose accordingly, through converting and sending frequency converter 8 to, the machine operation that just drives measuring pump 4 is under different rotating speeds; Form a closed-loop control effectively; The pharmaceutical quantities that satisfies technological requirement is injected in realization in oil-gas pipeline, in addition, owing to adopt converter technique to regulate motor speed; Accomplish measuring pump 4 (50HZ) step-less adjustment from the zero delivery to the full scale, to add dose more accurate thereby make.
Described medicament flow in pipes 1 device that is easy to control the dosing ratio of present embodiment, two kinds of medicaments that can be used for the Crude Pre device inject.Certainly according to demand of practical production, the quantity (as three, four) that can increase medicament flow in pipes 1 device is used to satisfy the production occasion that more medicament injects to satisfy the actual production demand.
As shown in Figure 2; Described medicament flow in pipes 1 device that is easy to control the dosing ratio of present embodiment on the basis of embodiment 1, also comprises host computer 9 (employing touch-screen); This host computer 9 is connected with said controller 7 communications; Compare with embodiment 1, present embodiment has makes whole process demonstration more directly perceived, operates more convenient advantage.
Present embodiment is described to be easy to control medicament flow in pipes 1 device of dosing ratio, on the basis of embodiment 2, also comprise be arranged in the medicinal cupping, form chain liquid-level switch with measuring pump 4, this liquid-level switch signal inputs to controller 7.Compare with embodiment 2, present embodiment has and can carry out the liquid level protection to measuring pump 4, prevents the advantage of sky pump operation, and security is better.
Specific embodiment described herein only is that the design to the utility model illustrates.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (4)
1. Crude Pre device medicament injected system; It mainly comprises at least two independently medicament flow in pipes; One end of medicament flow in pipes is the medicinal cupping link; The other end is the medicament discharging opening, it is characterized in that on every medicament flow in pipes, all being provided with measuring pump, pressure sensor and flowmeter, also comprise controller and with the frequency converter of measuring pump quantity Matching; Said pressure sensor and flow meter signal input to controller, and said controller is electrically connected with corresponding measuring pump through frequency converter.
2. Crude Pre device medicament injected system according to claim 1 is characterized in that also comprising host computer, and this host computer is communicated by letter with said controller and is connected.
3. Crude Pre device medicament injected system according to claim 2, it is characterized in that also comprising be arranged in the medicinal cupping, form chain liquid-level switch with measuring pump, this liquid-level switch signal inputs to controller.
4. Crude Pre device medicament injected system according to claim 3 is characterized in that said controller is PLC, and said host computer is a touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203169831U CN202238001U (en) | 2011-08-23 | 2011-08-23 | Drug-injecting system for crude oil pre-treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203169831U CN202238001U (en) | 2011-08-23 | 2011-08-23 | Drug-injecting system for crude oil pre-treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202238001U true CN202238001U (en) | 2012-05-30 |
Family
ID=46099306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203169831U Expired - Fee Related CN202238001U (en) | 2011-08-23 | 2011-08-23 | Drug-injecting system for crude oil pre-treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202238001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728280A (en) * | 2012-06-27 | 2012-10-17 | 乌鲁木齐成业实业有限公司 | Multifunctional double tank drug feeding system |
| CN103230759A (en) * | 2013-05-17 | 2013-08-07 | 南京凯盛国际工程有限公司 | Solution mixing and conveying pump station |
-
2011
- 2011-08-23 CN CN2011203169831U patent/CN202238001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728280A (en) * | 2012-06-27 | 2012-10-17 | 乌鲁木齐成业实业有限公司 | Multifunctional double tank drug feeding system |
| CN103230759A (en) * | 2013-05-17 | 2013-08-07 | 南京凯盛国际工程有限公司 | Solution mixing and conveying pump station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20170823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |