CN104216428A - Emptying gathering tank liquid level control system - Google Patents
Emptying gathering tank liquid level control system Download PDFInfo
- Publication number
- CN104216428A CN104216428A CN201310207827.5A CN201310207827A CN104216428A CN 104216428 A CN104216428 A CN 104216428A CN 201310207827 A CN201310207827 A CN 201310207827A CN 104216428 A CN104216428 A CN 104216428A
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- CN
- China
- Prior art keywords
- emptying
- liquid level
- holding tank
- cold
- tank
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Control Of Non-Electrical Variables (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention relates to an emptying gathering tank liquid level control system. The emptying gathering tank liquid level control system is characterized by comprising an emptying gathering tank (1) and a cold condensation tank (7), a discharge pipeline (2) is arranged on a discharge outlet of the emptying gathering tank (1), an output pump (2.1) is arranged on the discharge pipeline (2), the rear end of the discharge pipeline (2) is connected with a cold condensation tank feed pipeline (3) and an emptying gathering tank return pipeline (4) in parallel, a feed valve (3.1) is arranged on the cold condensation tank feed pipeline (3), a liquid level sensor (1.1) is arranged on the emptying gathering tank (1), a control circuit (5) is arranged between the liquid level sensor (1.1) and the feed valve (3.1), and a liquid level controller (5.1) is arranged on the control circuit (5). The emptying gathering tank liquid level control system has the advantages of high liquid level control accuracy and labor saving.
Description
Technical field
The present invention relates to a kind of emptying holding tank, relate in particular to a kind of emptying holding tank tank level control system, belong to chemical plant field.
Background technology
In producing PET Process, need with using emptying holding tank, the more difficult control of liquid level in traditional emptying holding tank, need to regulate emptying holding tank to the speed of feed in cold drainer manually.For maximization production line, if need workman's manual operation, waste a large amount of artificial, and the more difficult assurance of emptying holding tank liquid level control accuracy.Therefore seek a kind of liquid level control accuracy higher, save artificial emptying holding tank tank level control system particularly important.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of liquid level control accuracy higher, save artificial emptying holding tank tank level control system.
The object of the present invention is achieved like this:
A kind of emptying holding tank tank level control system, comprise emptying holding tank and cold drainer, the discharging opening of described emptying holding tank is provided with discharge pipe, on described discharge pipe, be provided with rear pump, the rear end of described discharge pipe is connected in parallel to cold drainer feeding pipeline and emptying holding tank feed back pipeline, the rear end of described cold drainer feeding pipeline is connected with the charging aperture of cold drainer, the rear end of described emptying holding tank feed back pipeline is connected with the feedback outlet of emptying holding tank, on described cold drainer feeding pipeline, be provided with inlet valve, on described emptying holding tank, be provided with liquid level sensor, between described liquid level sensor and inlet valve, be provided with operation circuit, on described operation circuit, be provided with fluid level controller.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention passes through the aperture of the signal controlling inlet valve of operation circuit, thereby controls the feeding speed to cold drainer, guarantees that emptying holding tank liquid level is able to accurate control.It is higher that this emptying holding tank tank level control system has liquid level control accuracy, saves artificial advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of emptying holding tank tank level control system of the present invention.
Wherein:
Emptying holding tank 1, liquid level sensor 1.1
Discharge pipe 2, rear pump 2.1
Cold drainer feeding pipeline 3, inlet valve 3.1
Emptying holding tank feed back pipeline 4
Operation circuit 5, fluid level controller 5.1
Knockout drum 6
Cold drainer 7.
Embodiment
Referring to Fig. 1, a kind of emptying holding tank tank level control system the present invention relates to, comprise emptying holding tank 1 and cold drainer 7, the top of described emptying holding tank 1 is provided with knockout drum 6, the discharging opening of described emptying holding tank 1 is provided with discharge pipe 2, on described discharge pipe 2, be provided with rear pump 2.1, described rear pump 2.1 has been arranged in parallel two, the rear end of described discharge pipe 2 is connected in parallel to cold drainer feeding pipeline 3 and emptying holding tank feed back pipeline 4, the rear end of described cold drainer feeding pipeline 3 is connected with the charging aperture of cold drainer 7, the rear end of described emptying holding tank feed back pipeline 4 is connected with the feedback outlet of emptying holding tank 1, on described cold drainer feeding pipeline 3, be provided with inlet valve 3.1, on described emptying holding tank 1, be provided with liquid level sensor 1.1, between described liquid level sensor 1.1 and inlet valve 3.1, be provided with operation circuit 5, on described operation circuit 5, be provided with fluid level controller 5.1.
Claims (1)
1. an emptying holding tank tank level control system, it is characterized in that it comprises emptying holding tank (1) and cold drainer (7), the discharging opening of described emptying holding tank (1) is provided with discharge pipe (2), on described discharge pipe (2), be provided with rear pump (2.1), the rear end of described discharge pipe (2) is connected in parallel to cold drainer feeding pipeline (3) and emptying holding tank feed back pipeline (4), the rear end of described cold drainer feeding pipeline (3) is connected with the charging aperture of cold drainer (7), the rear end of described emptying holding tank feed back pipeline (4) is connected with the feedback outlet of emptying holding tank (1), on described cold drainer feeding pipeline (3), be provided with inlet valve (3.1), on described emptying holding tank (1), be provided with liquid level sensor (1.1), between described liquid level sensor (1.1) and inlet valve (3.1), be provided with operation circuit (5), on described operation circuit (5), be provided with fluid level controller (5.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207827.5A CN104216428A (en) | 2013-05-30 | 2013-05-30 | Emptying gathering tank liquid level control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207827.5A CN104216428A (en) | 2013-05-30 | 2013-05-30 | Emptying gathering tank liquid level control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104216428A true CN104216428A (en) | 2014-12-17 |
Family
ID=52098032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310207827.5A Pending CN104216428A (en) | 2013-05-30 | 2013-05-30 | Emptying gathering tank liquid level control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104216428A (en) |
-
2013
- 2013-05-30 CN CN201310207827.5A patent/CN104216428A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |