CN103386278A - Desolventizing-kettle negative pressure system - Google Patents
Desolventizing-kettle negative pressure system Download PDFInfo
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- CN103386278A CN103386278A CN2013102762664A CN201310276266A CN103386278A CN 103386278 A CN103386278 A CN 103386278A CN 2013102762664 A CN2013102762664 A CN 2013102762664A CN 201310276266 A CN201310276266 A CN 201310276266A CN 103386278 A CN103386278 A CN 103386278A
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- negative pressure
- pressurized tank
- precipitation still
- pressure system
- desolventizing
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Abstract
The invention belongs to the field of equipment used in chemical production, and more specifically relates to a desolventizing-kettle negative pressure system during chemical production. The desolventizing-kettle negative pressure system comprises a desolventizing kettle and an air machine, the desolventizing kettle is connected with an overhead tank connected with the air machine, and the overhead tank is provided with an air tube. The desolventizing-kettle negative pressure system is capable of providing a normal-pressure reaction system or a vacuum negative-pressure reaction system for the desolventizing kettle according to the reactionrequirements of the desolventizing kettle, and the desolventizing-kettle negative pressure system is simple in structure and convenient and fast to operate.
Description
Technical field
The invention belongs to the apparatus field of using on Chemical Manufacture, with the negative pressure system that relates to specifically the precipitation still reaction in a kind of Chemical Manufacture.
Technical background
In Chemical Manufacture, the reaction of precipitation still is that a liquefaction is to the last process to liquefaction of gasification, the reaction system of a normal pressure need to be provided during the reaction of precipitation still, and in the precipitation still during material precipitation, need the reaction system of a vacuum, so that the liquefaction that realizes solute is to the last process to liquefaction of gasification.
Summary of the invention
The technical problem to be solved in the present invention is to provide the negative pressure system of a kind of precipitation still reaction in a kind of Chemical Manufacture.
For solving the problems of the technologies described above, the invention provides a kind of precipitation still negative pressure system, comprise precipitation still and air engine, be connected with pressurized tank on the precipitation still, be connected with air engine on pressurized tank, be provided with air hose on pressurized tank.
Preferably, the pressurized tank top is provided with connector one and connector two.
Preferably, connector one is connected with the precipitation still, and connector two is connected with air engine.
Preferably, connector one is connected with air hose with the tube connector between the precipitation still.
Preferably, air hose is provided with stop valve away from connecting pipe end.
Preferably, the pressurized tank bottom is provided with scavenge port.
Preferably, the pressurized tank side is provided with the liquid level meter that is communicated with pressurized tank.
adopt the beneficial effect of technique scheme to be: a kind of precipitation still negative pressure system, comprise precipitation still and air engine, be connected with pressurized tank on the precipitation still, pressurized tank is the critical component of this precipitation still negative pressure system, be connected with air engine on pressurized tank, air engine provides the negative pressure system of a vacuum to pressurized tank, be provided with air hose on pressurized tank, air hose directly and air communication, can realize providing the reaction system of a normal pressure to the precipitation still, the pressurized tank top is provided with connector one and connector two, facilitate pressurized tank to be connected and to be connected and installation with air engine with the precipitation still, connector one is connected with air hose with the tube connector between the precipitation still, air hose directly and air communication, air hose is provided with stop valve away from connecting pipe end, stop valve can open and close, when stop valve is opened, air hose directly is communicated with outside atmosphere, improve the reaction system of a normal pressure for the precipitation still, when stop valve is closed, the precipitation still is connected with air engine by pressurized tank, air engine and pressurized tank provide the negative pressure system of a vacuum for together the precipitation still, the pressurized tank bottom is provided with scavenge port, after the reaction of precipitation still stops, open scavenge port, the impurity of pressurized tank inside is discharged via scavenge port, the pressurized tank side is provided with the liquid level meter that is communicated with pressurized tank, liquid level meter is the force value of monitoring pressure tank inside constantly.
Description of drawings
Fig. 1 is the structural representation of a kind of precipitation still of the present invention negative pressure system,
Wherein, 1, the precipitation still, 2, pressurized tank, 3, air engine, 4, liquid level meter, 5, scavenge port, 6, air hose, 7, stop valve, 8, connector one, 9, connector two, 10, tube connector.
The specific embodiment
Below in conjunction with Figure of description, technical scheme of the present invention and structure are described, so that those skilled in the art understand.
as shown in Figure 1, a kind of precipitation still negative pressure system, comprise precipitation still 1 and air engine 2, be connected with pressurized tank 2 on precipitation still 1, be connected with air engine 3 on pressurized tank 2, be provided with air hose 6 on pressurized tank 2, pressurized tank 2 tops are provided with connector 1 and connector 29, connector 1 is connected with precipitation still 1, connector 29 is connected with air engine 3, connector 1 is connected with air hose 6 with the tube connector 10 of 1 of precipitation still, air hose 6 is provided with stop valve 7 away from tube connector 10 ends, pressurized tank 2 bottoms are provided with scavenge port 5, pressurized tank 2 sides are provided with the liquid level meter 4 that is communicated with pressurized tank 2.
adopt the beneficial effect of technique scheme to be: a kind of precipitation still negative pressure system, comprise precipitation still 1 and air engine 3, be connected with pressurized tank 2 on precipitation still 1, pressurized tank 2 is critical components of this precipitation still negative pressure system, be connected with air engine 3 on pressurized tank 2, air engine 3 provides the negative pressure system of a vacuum for pressurized tank 2, be provided with air hose 6 on pressurized tank 2, air hose 6 directly and air communication, can realize providing the reaction system of a normal pressure to precipitation still 1, pressurized tank 2 tops are provided with connector 1 and connector 29, facilitate being connected and installation that pressurized tank 2 and precipitation still 1 be connected with air engine, connector 1 is connected with air hose 6 with the tube connector 10 of 1 of precipitation still, air hose 6 directly and air communication, air hose 6 is provided with stop valve 7 away from tube connector 10 ends, stop valve 7 can open and close, when stop valve 7 is opened, air hose 6 directly is communicated with outside atmosphere, improve the reaction system of a normal pressure for precipitation still 1, when stop valve 7 is closed, precipitation still 1 is connected with air engine 3 by pressurized tank 2, air engine 3 and pressurized tank 2 provide the negative pressure system of a vacuum for together precipitation still 1, pressurized tank 2 bottoms are provided with scavenge port 5, after 1 reaction of precipitation still stops, open scavenge port 5, the impurity of pressurized tank inside is discharged via scavenge port 5, pressurized tank 2 sides are provided with the liquid level meter 4 that is communicated with pressurized tank, liquid level meter 4 is the force value of monitoring pressure tank inside constantly.
Adopt a kind of precipitation still negative pressure system of technical solution of the present invention, can give the reaction system of a normal pressure of precipitation still raising or the negative reaction system of vacuum according to the requirement of precipitation still reaction, simple in structure, convenient to operation.
Above-mentionedly by reference to the accompanying drawings invention is exemplarily described; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as this non-essential improvement that has adopted method design of the present invention and technical scheme to carry out; or without improving the design that will invent and technical scheme, directly apply to other occasions, all within protection scope of the present invention.
Claims (7)
1. a precipitation still negative pressure system, comprise precipitation still and air engine, it is characterized in that: be connected with pressurized tank on described precipitation still, be connected with air engine on described pressurized tank, be provided with air hose on described pressurized tank.
2. a kind of precipitation still negative pressure system according to claim 1, it is characterized in that: described pressurized tank top is provided with connector one and connector two.
3. a kind of precipitation still negative pressure system according to claim 2, it is characterized in that: described connector one is connected with the precipitation still, and described connector two is connected with air engine.
4. a kind of precipitation still negative pressure system according to claim 3, it is characterized in that: described connector one is connected with air hose with the tube connector between the precipitation still.
5. a kind of precipitation still negative pressure system according to claim 4 is characterized in that: described air hose is provided with stop valve away from connecting pipe end.
6. a kind of precipitation still negative pressure system according to claim 1, is characterized in that: be provided with scavenge port bottom described pressurized tank.
7. a kind of precipitation still negative pressure system according to claim 6, it is characterized in that: described pressurized tank side is provided with the liquid level meter that is communicated with pressurized tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102762664A CN103386278A (en) | 2013-07-01 | 2013-07-01 | Desolventizing-kettle negative pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102762664A CN103386278A (en) | 2013-07-01 | 2013-07-01 | Desolventizing-kettle negative pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103386278A true CN103386278A (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102762664A Pending CN103386278A (en) | 2013-07-01 | 2013-07-01 | Desolventizing-kettle negative pressure system |
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| CN (1) | CN103386278A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690214A (en) * | 2012-05-31 | 2012-09-26 | 泰兴市远东化工有限公司 | Industrial preparation process for 3,4-difluorobenzonitrile |
| CN202570123U (en) * | 2012-03-19 | 2012-12-05 | 安徽广信农化股份有限公司 | Tail gas treating unit of thiophanate-methyl desolventizing kettle |
| CN202654741U (en) * | 2012-06-27 | 2013-01-09 | 山东锦隆达化工科技股份有限公司 | Atmospheric pressure and decompression distillation kettle |
| CN203437099U (en) * | 2013-07-01 | 2014-02-19 | 安徽省旌德县天益医药化工厂 | Negative pressure system of desolvation kettle |
-
2013
- 2013-07-01 CN CN2013102762664A patent/CN103386278A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202570123U (en) * | 2012-03-19 | 2012-12-05 | 安徽广信农化股份有限公司 | Tail gas treating unit of thiophanate-methyl desolventizing kettle |
| CN102690214A (en) * | 2012-05-31 | 2012-09-26 | 泰兴市远东化工有限公司 | Industrial preparation process for 3,4-difluorobenzonitrile |
| CN202654741U (en) * | 2012-06-27 | 2013-01-09 | 山东锦隆达化工科技股份有限公司 | Atmospheric pressure and decompression distillation kettle |
| CN203437099U (en) * | 2013-07-01 | 2014-02-19 | 安徽省旌德县天益医药化工厂 | Negative pressure system of desolvation kettle |
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Application publication date: 20131113 |
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| RJ01 | Rejection of invention patent application after publication |