CN206199214U - A kind of measuring tank in isotretinoin production technology - Google Patents
A kind of measuring tank in isotretinoin production technology Download PDFInfo
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- CN206199214U CN206199214U CN201621195674.2U CN201621195674U CN206199214U CN 206199214 U CN206199214 U CN 206199214U CN 201621195674 U CN201621195674 U CN 201621195674U CN 206199214 U CN206199214 U CN 206199214U
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- measuring tank
- valve
- isotretinoin
- cooling water
- production technology
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Abstract
The utility model is related to the measuring tank in a kind of isotretinoin production technology, including measuring tank, the feed pipe of measuring tank is connected to raw material storage tank, the discharge nozzle of measuring tank is connected to reactor, measuring tank is provided with liquid level detector, feed pipe is provided with inlet valve, and discharge nozzle is provided with outlet valve, and liquid level detector, inlet valve and outlet valve are connected with flow controller；Measuring tank outside sets cooling water jecket, and cooling water valve is set on the cooling water inlet pipe of cooling water jecket, and measuring tank inside sets temperature sensor, and temperature sensor, cooling water valve are connected with temperature controller；Also include vaccum-pumping equipment, vaccum-pumping equipment is respectively connecting to reactor and measuring tank.Compared with prior art, measuring tank described in the utility model can effectively control feed rate, and control accuracy is high, and be avoided that the long-time termination of reaction caused by not charging in time, improve overall operating efficiency；The generation of side reaction can be reduced simultaneously, improve the reaction yield in reactor.
Description
Technical field
The utility model is related to the measuring tank in measuring tank field, more particularly to a kind of isotretinoin production technology.
Background technology
At present in the preparation process of isotretinoin, the inlet amount of reactor is determined receives the opaque limitation of reactor equipment,
Flowmeter can only be set on pipeline to determine charging, but, some reaction raw materials are gas-liquid two-phase, this meeting when temperature is higher
Flowmeter is caused to measure inaccurate, simultaneously because the not handleability of reaction, through often there is error after long-time is applied, causes
Charging is excessive or very few, being normally carried out for final influence reaction, even results in reaction and essence change occurs, and influences the matter of product
Amount；Furthermore the mass flowmenter of high precision is expensive, medium-sized and small enterprises are typically difficult to receive.
The reaction temperature of each reaction in isotretinoin production technology is usual below normal temperature, generally 0~20 DEG C, mesh
Preceding common practice is after all materials are passed through into reactor, reactant to be cooled down via reacting kettle jacketing, cooled
Unnecessary side reaction may occur in journey, cause reaction yield to reduce and increase the subsequent treatment difficulty of product, such as separate, tie
Crystalline substance etc..
Utility model content
The purpose of this utility model is to overcome defect of the prior art, there is provided in a kind of isotretinoin production technology
Measuring tank, its energy accurate measurement inlet amount and reduces cost, while being cooled down to raw material in measuring tank, improve reaction and produce
Rate.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of measuring tank in isotretinoin production technology, including measuring tank, the feed pipe of the measuring tank are connected to raw material
Storage tank, the discharge nozzle of the measuring tank is connected to reactor, and the measuring tank is provided with liquid level detector, and the feed pipe is provided with
Inlet valve, the discharge nozzle is provided with outlet valve, the liquid level detector, inlet valve and outlet valve with flow controller phase
Even；The measuring tank outside sets cooling water jecket, sets cooling water valve on the cooling water inlet pipe of the cooling water jecket, institute
State measuring tank inside and temperature sensor is set, the temperature sensor, cooling water valve are connected with temperature controller.
Preferably, the feed pipe extends to the bottom in the measuring tank from the top of the measuring tank.
Preferably, the inlet valve and the outlet valve are switch valve, and the cooling water valve is flow control valve.
Preferably, also including vaccum-pumping equipment, the vaccum-pumping equipment is respectively connecting to the reactor and the metering
Groove.
Preferably, gas-liquid equilibrium is set between the gas-phase space of the gas-phase space of the measuring tank and the raw material storage tank
Pipe.
Preferably, the measuring tank is provided with breather valve.
Preferably, motor-driven agitator is set in the reactor.
Preferably, valve is set on the gas-liquid equilibrium pipe.
Preferably, the measuring tank outside and reactor outside set heat-insulation layer.
Compared with prior art, the utility model has the advantages that：
By the way of Liquid level, indirect control feed rate, control accuracy is higher than mass flow to the utility model
Meter；Raw material in raw material storage tank can set gas phase by self gravitation from measuring tank is flow between raw material storage tank and measuring tank
, to maintain the pressure balance in both, the feed liquor for preventing measuring tank from causing by motive force deficiency is difficult, when gas phase is flat for balance pipe
During weighing apparatus blockage, the feed liquor of measuring tank is carried out by the way of vacuum suction, it is to avoid the long-time of reaction stops, and improves entirety
Operating efficiency；The cooling system of raw material in measuring tank is set, it is to avoid all materials in reactor are carried out in the prior art cold
The side reaction occurred when but, improves the reaction yield in reactor.
Brief description of the drawings
Fig. 1 is the measuring tank in isotretinoin production technology described in the utility model；
Reference in figure is：
1st, raw material storage tank；2nd, measuring tank；3rd, reactor；4th, vaccum-pumping equipment；5th, inlet valve；6th, outlet valve；7th, gas phase is put down
Weighing apparatus pipe；8th, breather valve；9th, liquid level measurer；10th, flow controller；11st, temperature sensor；12nd, temperature controller；13rd, cool down
Water valve；14th, cooling water jecket.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
As shown in figure 1, the present embodiment is the measuring tank in a kind of isotretinoin production technology, including measuring tank 2, the meter
The feed pipe of measuring tank 2 is connected to raw material storage tank 1, and the discharge nozzle of the measuring tank 2 is connected to reactor 3, and the measuring tank 2 is provided with
Liquid level detector 9, the feed pipe is provided with inlet valve 5, and the discharge nozzle is provided with outlet valve 6, the liquid level detector 9,
Inlet valve 5 and outlet valve 6 are connected with flow controller 10；The outside of the measuring tank 2 sets cooling water jecket 14, the cooling
Cooling water valve 13 is set on the cooling water inlet pipe of water leg 14, and the inside of the measuring tank 2 sets temperature sensor 11, the temperature
Degree sensor 11, cooling water valve 13 are connected with temperature controller 12.
In a preferred embodiment, also including vaccum-pumping equipment 4, the vaccum-pumping equipment 4 is respectively connecting to the reaction
Motor-driven agitator, the outside of the measuring tank 2 and the reaction are set in kettle 3 and the measuring tank 2, the reactor 3
The outside of kettle 3 sets heat-insulation layer, and the inlet valve 5 and the outlet valve 6 are switch valve, and the cooling water valve 13 is Flow-rate adjustment
Valve.
When gas-liquid equilibrium pipe 7 is blocked, the raw material in raw material storage tank 1 sucks measuring tank 2, volume in measuring tank 2 by vacuum
Quantitative raw material is well mixed it by vacuum sucting reaction kettle 3, the agitator stirring reaction raw material in reactor 3；Equipment
Outer heat-insulation layer prevents the heat transfer between air from causing unnecessary heat loss；Inlet valve 5 and outlet valve 6 only have switch work(
Can, do not possess accurate regulatory function.
In another preferred embodiment, between the gas-phase space of the gas-phase space of the measuring tank 2 and the raw material storage tank 1
Gas-liquid equilibrium pipe 7 is set, valve is set on the gas-liquid equilibrium pipe 7, the measuring tank 2 is provided with breather valve 8, the feed pipe from
The top of the measuring tank 2 extends to the bottom in the measuring tank 2.
Gas-liquid equilibrium pipe 7 is used to balance the pressure between raw material storage tank 1 and measuring tank 2, and the feed pipe extends to described
Bottom in measuring tank 2 can rely on flow by gravity to ensure to have maximum difference in height with the raw material ensured in raw material storage tank 1
Into measuring tank 2, emptying of the breather valve 8 for measuring tank 2, negative pressure of dropping a hint suction waste gas header are set.
The operating procedure of measuring tank described in the utility model is as follows：
Inlet valve 5 is opened, raw material from raw material storage tank 1 (when that can not implement gravity flow operation, take out from measuring tank 2 is flow to by unlatching
Vacuum equipment 4, by the way of vacuum suction), simultaneously be sent to for liquid level signal by the liquid level of the detection measuring tank 2 of liquid level detector 9
Flow controller 10；
When the flow of detection reaches setting value, flow controller 10 automatically controls inlet valve 5 and closes, and automatically controls out
Mouth valve 6 is opened；
Vaccum-pumping equipment 4 is opened, the raw material in measuring tank 2 is by vacuum sucting reaction kettle 3.
From above-described embodiment, the measuring tank simple structure in isotretinoin production technology described in the utility model, behaviour
Facilitate, it can effectively control feed rate, control accuracy is high, reduce cost, and two kinds of feed liquor modes of measuring tank are set
(gravity flow and vacuum suction), it is to avoid the long-time of reaction does not stop caused by charging in time, improves overall operating efficiency；If
Put the cooling system of raw material in measuring tank, it is to avoid the pair occurred when being cooled down to all materials in reactor in the prior art is anti-
Should, improve the reaction yield in reactor.
Specific embodiment of the utility model has been described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, it is any to being equal to that the practicality is carried out
Modifications and substitutions are also all among category of the present utility model.Therefore, the institute in the case where spirit and scope of the present utility model are not departed from
The impartial conversion and modification of work, should all cover in the range of the utility model.
Claims (9)
1. a kind of measuring tank in isotretinoin production technology, including measuring tank (2), the feed pipe of the measuring tank (2) is connected to
Raw material storage tank (1), the discharge nozzle of the measuring tank (2) is connected to reactor (3), it is characterised in that the measuring tank (2) is provided with
Liquid level detector (9), the feed pipe is provided with inlet valve (5), and the discharge nozzle is provided with outlet valve (6), the liquid level inspection
Device (9), inlet valve (5) and outlet valve (6) is surveyed to be connected with flow controller (10)；Cooling is set outside the measuring tank (2)
Water leg (14), is set in cooling water valve (13), the measuring tank (2) on the cooling water inlet pipe of the cooling water jecket (14)
Portion sets temperature sensor (11), and the temperature sensor (11), cooling water valve (13) are connected with temperature controller (12).
2. the measuring tank in isotretinoin production technology according to claim 1, it is characterised in that the feed pipe is from institute
State the bottom that the top of measuring tank (2) is extended in the measuring tank (2).
3. the measuring tank in isotretinoin production technology according to claim 1, it is characterised in that the inlet valve (5) and
The outlet valve (6) is switch valve, and the cooling water valve (13) is flow control valve.
4. the measuring tank in isotretinoin production technology according to claim 1, it is characterised in that also set including vacuumizing
Standby (4), the vaccum-pumping equipment (4) is respectively connecting to the reactor (3) and the measuring tank (2).
5. the measuring tank in isotretinoin production technology according to claim 1, it is characterised in that the measuring tank (2)
Gas-liquid equilibrium pipe (7) is set between gas-phase space and the gas-phase space of the raw material storage tank (1).
6. the measuring tank in isotretinoin production technology according to claim 1, it is characterised in that the measuring tank (2) sets
There is breather valve (8).
7. the measuring tank in isotretinoin production technology according to claim 1, it is characterised in that in the reactor (3)
Motor-driven agitator is set.
8. the measuring tank in isotretinoin production technology according to claim 5, it is characterised in that the gas-liquid equilibrium pipe
(7) valve is set on.
9. the measuring tank in isotretinoin production technology according to claim 5, it is characterised in that the measuring tank (2) is outward
Heat-insulation layer is set outside portion and the reactor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195674.2U CN206199214U (en) | 2016-11-03 | 2016-11-03 | A kind of measuring tank in isotretinoin production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195674.2U CN206199214U (en) | 2016-11-03 | 2016-11-03 | A kind of measuring tank in isotretinoin production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206199214U true CN206199214U (en) | 2017-05-31 |
Family
ID=58753823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195674.2U Active CN206199214U (en) | 2016-11-03 | 2016-11-03 | A kind of measuring tank in isotretinoin production technology |
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| CN (1) | CN206199214U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661717A (en) * | 2017-11-17 | 2018-02-06 | 深圳市爱能森科技有限公司 | A kind of heat accumulating compounds cooling device |
| CN114392635A (en) * | 2022-02-28 | 2022-04-26 | 稀美资源(广东)有限公司 | Tantalum ethoxide automatic constant-temperature collecting and subpackaging device |
| CN115141748A (en) * | 2022-06-14 | 2022-10-04 | 南京工业大学 | Microporous membrane tube reactor and application thereof in immobilized enzyme catalytic reaction |
-
2016
- 2016-11-03 CN CN201621195674.2U patent/CN206199214U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661717A (en) * | 2017-11-17 | 2018-02-06 | 深圳市爱能森科技有限公司 | A kind of heat accumulating compounds cooling device |
| CN114392635A (en) * | 2022-02-28 | 2022-04-26 | 稀美资源(广东)有限公司 | Tantalum ethoxide automatic constant-temperature collecting and subpackaging device |
| CN115141748A (en) * | 2022-06-14 | 2022-10-04 | 南京工业大学 | Microporous membrane tube reactor and application thereof in immobilized enzyme catalytic reaction |
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