CN205672588U - Solvent reclaims full-automatic process control system - Google Patents
Solvent reclaims full-automatic process control system Download PDFInfo
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- CN205672588U CN205672588U CN201620467608.XU CN201620467608U CN205672588U CN 205672588 U CN205672588 U CN 205672588U CN 201620467608 U CN201620467608 U CN 201620467608U CN 205672588 U CN205672588 U CN 205672588U
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Abstract
The utility model relates to solvent and reclaims field, and particularly solvent reclaims full-automatic process control system.Specifically include mother liquor holding tank, reboiler, recovery tower, condensing unit, return tank, tank to be checked and finished pot, mother liquor holding tank connects reboiler through inlet valve, recovery tower and reboiler are communication apparatus, the condensed device of charging aperture of return tank connects the discharging opening of recovery tower, and the discharging opening of return tank connects the charging aperture of recovery tower.Reboiler is provided with temperature control loop, enters steam flow sensor, temperature sensor and enter steam control valve.Temperature control loop is serials control, and temperature sensor is positioned at major loop, enters steam flow sensor and is positioned at subloop, and temperature control loop connects into steam control valve.Recovery tower is provided with temperature sensor and extraction valve, and temperature sensor connects extraction valve, and return tank discharging opening connects the charging aperture of tank to be checked through extraction valve.The utility model can realize the Automatic Control that reboiler solvent reclaims, and saves manpower, reduces energy consumption.
Description
Technical field
The utility model relates to solvent and reclaims field, and particularly solvent reclaims full-automatic process control system.
Background technology
Solvent is can dissolved gas, solid, liquid and a kind of liquid of becoming homogeneous mixture.It is in production process
Supplies, and play indispensable effect aborning.It is that the important of production of raw medicine enterprise produces ring that solvent reclaims
Joint, can reduce production cost and reduce environmental pollution, owing to the characteristic of solvent is complicated, wide in variety, cause that the rate of recovery is low, energy consumption is high
Problem.Present stage, major part bulk drug enterprise used manually-operated gate to add the control mode of on-the-spot display, reboiler temperature control into
Steam control valve makes into steam flow unstable, and energy consumption is high.The control of process control tower top temperature brought back to life into by current solvent
Relying primarily on the practical operation experience of operative employee, operating personnel adjust capacity of returns, concrete operations according to the change of tower top temperature
When, with the recovery degree moment of mother liquor need artificial adjust extraction valve and reboiler at the scene enter opening of steam valve
Degree, so can not reach the accurate control of tower top temperature, and product quality cannot be guaranteed and energy consumption is high, expends substantial amounts of people simultaneously
Power material resources.
Utility model content
It is high that the purpose of this utility model is to provide a kind of recovery purity, the low production model automatically controlling of energy consumption, transformation
After upgrading, whole solvent reclaims and realizes Automated condtrol, can not only shorten man-hour and improve production efficiency, improves product quality,
Strengthen production security, moreover it is possible to compression production cost, the competitiveness of product in market is provided.
To achieve these goals, the technological means that the utility model is taked is:
Solvent reclaims full-automatic process control system, including mother liquor holding tank, reboiler, recovery tower, condensing unit, backflow
Tank, tank to be checked and finished pot, mother liquor holding tank connects reboiler through inlet valve, and recovery tower and reboiler are communication apparatus, return tank
The condensed device of charging aperture connect the discharging opening of recovery tower, the discharging opening of return tank connects the charging aperture of recovery tower, tank to be checked
Discharging opening is simultaneously connected with the charging aperture of finished pot charging aperture and reboiler, and described reboiler is provided with temperature control loop, enters
Steam flow sensor, temperature sensor and enter steam control valve, described temperature control loop is serials control, TEMP
Device is positioned at the major loop of temperature controller, enters steam flow sensor and is positioned at the subloop of temperature controller, temperature control loop
Connecting into steam control valve, described recovery tower is provided with temperature sensor and extraction valve, and temperature sensor connects extraction valve, returns
Stream tank discharging opening connects the charging aperture of tank to be checked through extraction valve.
Described solvent reclaims full-automatic control system, and condensing unit includes one-level condensing unit and B grade condensing unit,
The entrance of one-level condensing unit connects the discharging opening of recovery tower, and the outlet of B grade condensing unit connects the charging aperture of return tank.
Described solvent reclaims full-automatic control system, and reboiler is additionally provided with the outlet conduit of condensed water.
Described solvent reclaims full-automatic control system, and reboiler is additionally provided with liquid level gauge, and liquid level gauge connects inlet valve.
The beneficial effects of the utility model are: reboiler temperature control uses serials control, enters steam by reboiler
Two detection parameters of flow sensor and temperature sensor determine that reboiler enters the aperture of steam control valve so that enter steam
Amount is stable, will not be fluctuated.Enter steam flowrate testing in serials control, to play the effect of foresight ensure into quantity of steam not
Can add, the problem that also ensure that temperature lag, serials control achieves the stability contorting of Wen Di and the purpose of the saving energy.Return
Receiving tower capacity of returns and determining stablizing of tower top temperature, determine the purity of extraction product simultaneously, we realize oneself of tower top temperature
After dynamic control, it is achieved that tower top temperature links with reflux ratio, when tower top temperature step-down, control system automatically reduces extraction valve and opens
Degree, when tower top temperature is off extraction less than lower limit alarm value, closes extraction valve, uses infinite reflux control；Treat that tower top temperature is slow
Slow rising, control system adjusts the ratio of extraction and backflow automatically, is always ensured that stablizing of tower top temperature, and final guarantee is reclaimed and produced
The purity of product.Extraction return product enters tank to be checked, operating personnel's sample examination, chemically examines qualified rear tank product to be checked and proceeds to finished product
Tank, substandard product is automatically returned reboiler, is again reclaimed.
The utility model uses and realizes that whole solvent reclaims Automated condtrol, and the quality reclaiming product is guaranteed, simultaneously
Save substantial amounts of material resources manpower, be conducive to recycling the popularization of waste liquid, not only environmental protection but also laborsaving.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure, the 1st, mother liquor holding tank, the 2nd, reboiler, the 3rd, recovery tower, the 4th, one-level condensing unit, the 5th, B grade condensing unit, the 6th, return
Stream tank, the 7th, tank to be checked, the 8th, finished pot, the 9th, enter steam control valve, the 10th, extraction valve.
Detailed description of the invention
With specific embodiment, the utility model is described further below in conjunction with the accompanying drawings.
Specific embodiment, as it is shown in figure 1, solvent reclaims full-automatic process control system, including mother liquor holding tank the 1st, reboiler
2nd, recovery tower the 3rd, condensing unit, return tank the 6th, tank 7 to be checked and finished pot 8, mother liquor holding tank 1 connects reboiler 2 through inlet valve, reclaims
Tower 3 is communication apparatus with reboiler 2, and the condensed device of charging aperture of return tank 6 connects the discharging opening of recovery tower 3, return tank 6
Discharging opening connects the charging aperture of recovery tower 3, and tank 7 discharging opening to be checked is simultaneously connected with finished pot 8 charging aperture and the charging of reboiler 2
Mouthful, described reboiler 2 is provided with temperature control loop, enters steam flow sensor, temperature sensor and enter steam control valve
9, described temperature control loop is serials control, and temperature sensor is positioned at the major loop of temperature controller, enters steam flow and passes
Sensor is positioned at the subloop of temperature controller, and temperature control loop connects into steam control valve 9, and described recovery tower 3 is provided with
Temperature sensor and extraction valve 10, temperature sensor connects extraction valve 10, and return tank 6 discharging opening connects tank to be checked through extraction valve 10
The charging aperture of 7.
Described solvent reclaims full-automatic control system, and condensing unit includes one-level condensing unit 4 and B grade condensing unit
5, the entrance of one-level condensing unit 4 connects the discharging opening of recovery tower 3, and the outlet of B grade condensing unit 5 connects the charging of return tank 6
Mouthful, condensing unit is tubular heat exchanger.
Described solvent reclaims full-automatic control system, and reboiler 2 is additionally provided with the outlet conduit of condensed water.
Described solvent reclaims full-automatic control system, and reboiler 2 is additionally provided with liquid level gauge, and liquid level gauge connects inlet valve.
Reclaim mother liquor and return recovery workshop, first adjust the pH value of mother liquor holding tank so that it is reach recovery tower and can bear
Scope, it is ensured that do not result in corrosion in removal process to recovery tower, pH value range is 6.7-7.4.Mother liquor is beaten from mother liquor holding tank
To reboiler, reboiler and recovery tower are communication apparatus, and liquid level is identical, and liquid level gauge detects reboiler liquid level, different recovery tower liquid
Highly different scope 1.8-2m in position, after liquid level reaches technological requirement value, recovery tower automatically begins to run, and recovery tower starts fortune
After row, reboiler enters steam control valve and automatically opens up, and starts to control bottom temperature, and with the process of heating, tower top temperature rises,
Tower top temperature uphill process uses the control of infinite reflux, reboiler temperature sensor and enter steam flow sensor and together decide on
Reboiler enters the aperture of steam control valve, when tower top temperature reaches technological requirement value, and 86-100 degree Celsius, temperature sensor control
Extraction valve processed, adjusts the ratio of extraction and backflow automatically, and extraction return product enters tank to be checked, it is ensured that the liquid level of tank to be checked.Behaviour
Making personnel's sampling and going chemical examination, chemically examine qualified rear tank to be checked and proceed to finished pot, substandard product is automatically returned reboiler and is again reclaimed.
Claims (4)
1. solvent reclaims full-automatic process control system, including mother liquor holding tank (1), reboiler (2), recovery tower (3), condensation dress
Put, return tank (6), tank to be checked (7) and finished pot (8), mother liquor holding tank (1) connects reboiler (2), recovery tower (3) through inlet valve
Being communication apparatus with reboiler (2), the condensed device of charging aperture of return tank (6) connects the discharging opening of recovery tower (3), return tank
(6) discharging opening connects the charging aperture of recovery tower (3), and tank to be checked (7) discharging opening is simultaneously connected with finished pot (8) charging aperture and boils
The charging aperture of device (2), it is characterised in that: described reboiler (2) be provided with temperature control loop, enter steam flow sensor,
Temperature sensor and enter steam control valve (9), described temperature control loop is serials control, and temperature sensor is positioned at temperature control
The major loop of device processed, enters steam flow sensor and is positioned at the subloop of temperature controller, and temperature control loop connects adjusts into steam
Joint valve (9), described recovery tower (3) is provided with temperature sensor and extraction valve (10), and temperature sensor connects extraction valve (10),
Return tank (6) discharging opening connects the charging aperture of tank to be checked (7) through extraction valve (10).
2. solvent according to claim 1 reclaims full-automatic process control system, it is characterised in that: described condensing unit
Including one-level condensing unit (4) and B grade condensing unit (5), the entrance of one-level condensing unit (4) connects the discharging of recovery tower (3)
Mouthful, the outlet of B grade condensing unit (5) connects the charging aperture of return tank (6).
3. solvent according to claim 1 reclaims full-automatic process control system, it is characterised in that: described reboiler
(2) it is additionally provided with the outlet conduit of condensed water.
4. solvent according to claim 1 reclaims full-automatic process control system, it is characterised in that: described reboiler
(2) being additionally provided with liquid level gauge, liquid level gauge connects inlet valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467608.XU CN205672588U (en) | 2016-05-23 | 2016-05-23 | Solvent reclaims full-automatic process control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467608.XU CN205672588U (en) | 2016-05-23 | 2016-05-23 | Solvent reclaims full-automatic process control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205672588U true CN205672588U (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620467608.XU Active CN205672588U (en) | 2016-05-23 | 2016-05-23 | Solvent reclaims full-automatic process control system |
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| Country | Link |
|---|---|
| CN (1) | CN205672588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861503A (en) * | 2021-10-14 | 2021-12-31 | 荣成碳纤维科技有限公司 | Monomer recovery device and method in carbon fiber precursor production |
-
2016
- 2016-05-23 CN CN201620467608.XU patent/CN205672588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861503A (en) * | 2021-10-14 | 2021-12-31 | 荣成碳纤维科技有限公司 | Monomer recovery device and method in carbon fiber precursor production |
| CN113861503B (en) * | 2021-10-14 | 2023-10-13 | 山东永成新材料有限公司 | Monomer recovery device and method in carbon fiber precursor production |
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