CN208770881U - Sieve plate rectification experimental apparatus - Google Patents
Sieve plate rectification experimental apparatus Download PDFInfo
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- CN208770881U CN208770881U CN201821173649.3U CN201821173649U CN208770881U CN 208770881 U CN208770881 U CN 208770881U CN 201821173649 U CN201821173649 U CN 201821173649U CN 208770881 U CN208770881 U CN 208770881U
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Abstract
A kind of sieve plate rectification experimental apparatus, including rectifying column tower, head tank, feed pump, overhead condenser, refrigeration cycle pump, overhead product tank, fraction device, reflux pump, batch turning pump, tower reactor products pot, the head tank connects the rectifying column tower by the feed pump, the rectifying column tower connects the shell side of the overhead condenser, the shell side of the overhead condenser connects the fraction device, the fraction device is separately connected the overhead product tank and the rectifying column tower by the reflux pump, the overhead product tank connects the head tank, the tube side of the refrigeration cycle pump and the overhead condenser is connected by circulation, the tower reactor connects the tower reactor products pot, the tower reactor products pot connects the head tank by batch turning pump.The sieve plate rectification experimental apparatus has the advantages that design science, compact-sized, DATA REASONING is accurate, control is stablized, realize infinite reflux and partial reflux operates continuously, energy conservation, facilitates observation experiment phenomenon.
Description
Technical field
The utility model relates to chemical engineering experiment device fields, specifically, are related to a kind of sieve plate rectification experimental apparatus.
Background technique
Distillation technique principle is to reach separation purpose using the volatility difference of each component in liquid mixture.This skill
Art has been widely used in petroleum, chemical industry, food processing and other fields, and main purpose is to separate mixed liquor.Root
According to the difficulty or ease of feed liquid separation, the purity of separation, technique can be divided into general distillation, conventional distillation and special extract rectification etc. again.
Sieve-plate tower rectifying experiment is the important experiment in Experimental Teaching for Chemistry Engineering, existing sieve plate rectification experimental apparatus structure letter
Single, combination is not compact, and DATA REASONING inaccuracy, control is unstable, and infinite reflux and partial reflux can not achieve continuous operation, tower reactor
In waste liquid directly bleed off, cannot efficiently use, visualization is low, cannot reach the good effect of experimental teaching, it is difficult to see
Examine the segregation phenomenon of liquid mixture.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of design science, compact-sized, several
, control accurate according to measurement stablizes, realizes infinite reflux and partial reflux continuous operation, energy conservation, the sieve plate for facilitating observation experiment phenomenon
Rectification experimental apparatus.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of sieve plate rectification experimental apparatus, packet
Rectifying column tower, several sieve plates and tower reactor are included, each sieve plate is sequentially arranged inside the rectifying column tower from tower top to tower bottom, and two
Circular downeomer is installed, the tower reactor is mounted on the tower bottom of the rectifying column tower, installation in the tower reactor between block sieve plate
There is electric heater unit, it further includes head tank, feed pump, feed flow meter, overhead condenser, refrigeration cycle pump, cooling water flow
Meter, overhead product tank, fraction device, reflux pump, overhead extraction flowmeter, return flow meter, batch turning pump and tower reactor products pot, institute
It states and charging valve is installed at the top of head tank, the bottom of the head tank is equipped with baiting valve and outlet valve, the raw material discharging
Valve connects the feed pump, and the outlet of the feed pump is separately connected the head tank and the feed flow meter, the charging
The outlet of flowmeter divides multi-pipeline to connect the rectifying column tower, each between the feed flow meter and the rectifying column tower
Tower body inlet valve is mounted on pipeline, the outlet of the feed flow meter is also equipped with feeding temperature sensor, the rectifying
The top of tower tower body is equipped with steam (vapor) outlet, and the steam (vapor) outlet connects the shell side import of the overhead condenser, and the tower top is cold
The shell-side outlet of condenser connects the top inlet of the fraction device, the outlet at bottom of the fraction device connect the reflux pump into
Mouthful, the outlet of the reflux pump is separately connected the overhead product tank and the rectifying column tower, the overhead extraction flowmeter
It is arranged on the pipeline between the reflux pump and the overhead product tank, the return flow metering is arranged in the reflux
On pipeline between pump and the rectifying column tower, the outlet of the return flow meter is also equipped with reflux temperature sensor, institute
The outlet at bottom for stating overhead product tank connects the head tank, and the top exit of the refrigeration cycle pump connects the overhead condensation
The pipeline between the refrigeration cycle pump and the overhead condenser is arranged in the tube side import of device, the cooling water flow meter
On, the tube side outlet of the overhead condenser connects the top inlet of the refrigeration cycle pump, and the top exit of the tower reactor connects
The top inlet of the tower reactor products pot is connect, the outlet at bottom of the tower reactor products pot connects the import of the batch turning pump, described
The outlet of batch turning pump connects the head tank, and tower reactor pressure sensor and bottom temperature sensing are equipped at the top of the tower reactor
Device, is mounted on temperature of charge sensor in the rectifying column tower of corresponding each sieve plate, the reflux temperature sensor, described
Feeding temperature sensor, the tower reactor pressure sensor, the bottom temperature sensor and the temperature of charge sensor are electric
The control platform is connected, the control platform is a touch-control all-in-one machine.
It is described on base, tower reactor charging valve is installed, the bottom of the fraction device is equipped with fraction device at the top of the tower reactor
Sampling valve is additionally provided with overhead reflux flow control valve on the pipeline between the reflux pump and the rectifying column tower, described
Be additionally provided with overhead extraction flow control valve on pipeline between reflux pump and the overhead product tank, the feed pump with it is described
Feed rate regulating valve, the pipe between the overhead product tank and the head tank are provided on pipeline between feed flow meter
Road is equipped with overhead product baiting valve, and the bottom of the overhead product tank is equipped with overhead product sampling valve, the head tank
Top be also equipped with blow valve, the bottom of the head tank is also equipped with raw material sampling valve, the batch turning pump and the raw material
Tower reactor product batch turning valve is installed on the pipeline between tank, is pacified on the pipeline between the outlet of the feed pump and the head tank
Valve is stirred equipped with feedstock circulation, is additionally provided with cooling water flow on the pipeline between the refrigeration cycle pump and the overhead condenser
Adjustable valve, the bottom and top of the rectifying column tower are mounted on glass view cup, be additionally provided in the rectifying column tower to
Few two sample taps, each sample tap are separately positioned on the top of corresponding each sieve plate, and the bottom of the tower reactor is equipped with tower reactor discharging valve
With tower reactor sampling valve.
It is described on base, the feed flow meter, the cooling water flow meter, the overhead extraction flowmeter and the reflux
Flowmeter is spinner flowmeter.
It is described on base, internal diameter D=68mm of the rectifying column tower, the spacing H of feed zone sieve plateT=150mm, common section sieve
The spacing H of plateT=100mm, glass regard the spacing H of cup section sieve plateT=70mm。
Described on base, the sieve plate is equipped with 50 sieve plate holes, sieve plate hole aperture d=3mm, and the percent opening of the sieve plate is
9.73%。
Described on base, the range of the feed flow meter is 10~100mL/min, and the range of the return flow meter is 25
~250mL/min, the range of the overhead extraction flowmeter are 2.5~25mL/min, and the range of the cooling water flow meter is 1
~11L/min, the general power of the electric heater unit are 4.5kW, and the range of the tower reactor pressure sensor is 0~10kPa, institute
It is equal to state reflux temperature sensor, the feeding temperature sensor, the bottom temperature sensor and the temperature of charge sensor
For the Pt100 temperature sensor of diameter 3mm.
The utility model has substantive features and progress compared with the prior art, specifically, the sieve plate of the utility model
Rectification experimental apparatus is compact-sized, and DATA REASONING is accurate, and control is stablized, and realizes that infinite reflux and partial reflux are continuously grasped by valve
Make, can preferably simulate industrial rectifying production technology；The tower reactor products pot connects the head tank by batch turning pump, can
So that the waste liquid circulation in tower reactor is flowed into the head tank, is mixed with the material liquid in the head tank, spent liquor recovery effectively transmits
To material liquid, preheating material liquid reenters rectifying in the rectifying tower body, reduces the heating function of the electric heater unit
Rate realizes energy saving purpose；The upper and lower ends of the rectifying column tower are provided with glass view cup, facilitate in experimentation and directly observe
The flowing and segregation phenomenon of liquid mixture.
Its with design science, compact-sized, DATA REASONING is accurate, control is stablized, realize infinite reflux and partial reflux connects
Continuous operation, facilitates the advantages of observation experiment phenomenon at energy conservation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1. rectifying column towers；2. tower reactor；3. tower reactor products pot；4. batch turning pumps；5. feed pump；6. head tank；7. system
SAPMAC method pump；8. overhead product tank；9. fraction device；10. reflux pump；11. overhead condenser；12. feed flow meter；13. tower top
Produce flowmeter；14. return flow meter；15. cooling water flow meter；16. raw material outlet valve；17. raw material baiting valve；18. raw material
Sampling valve；19. raw materials valve；20. blow valve；21. feedstock circulation stirs valve；22. tower reactor product batch turning valve；23. tower top
Product baiting valve；24. overhead product sampling valve；25. feed rate regulating valve；26. feeding temperature sensor；27. tower body into
Expect valve；28. overhead extraction flow control valve；29. overhead reflux flow control valve；30. reflux temperature sensor；31. object
Expect temperature sensor；32. fraction device sampling valve；33. cooling water flow regulating valve；34. tower reactor product baiting valve；35. tower
Kettle product sampling valve；36. tower reactor discharging valve；37. tower reactor sampling valve；38. tower reactor pressure sensor；39. tower reactor charging valve；40.
Bottom temperature sensor；41. sample tap.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of sieve plate rectification experimental apparatus, including rectifying column tower 1, several sieve plates and tower reactor 2, each sieve plate
It is sequentially arranged at from tower top to tower bottom inside the rectifying column tower 1, circular downeomer, the tower is installed between two pieces of sieve plates
Kettle 2 is mounted on the tower bottom of the rectifying column tower 1, is equipped with electric heater unit in the tower reactor 2, it further include head tank 6, into
Material pump 5, feed flow meter 12, overhead condenser 11, refrigeration cycle pump 7, cooling water flow meter 15, overhead product tank 8, fraction device
9, reflux pump 10, overhead extraction flowmeter 13, return flow meter 14, batch turning pump 4 and tower reactor products pot 3, the top of the head tank 6
Portion is equipped with raw materials valve 19, and the bottom of the head tank 6 is equipped with raw material baiting valve 17 and raw material outlet valve 16, the original
Material outlet valve 16 connects the feed pump 5, and the outlet of the feed pump 5 is separately connected the head tank 6 and the feed rate
Meter 12, the outlet of the feed flow meter 12 divide multi-pipeline to connect the rectifying column tower 1, the feed flow meter 12 with it is described
Tower body inlet valve 27 is mounted on each pipeline between rectifying column tower 1, the outlet of the feed flow meter 12 is also equipped with
Feeding temperature sensor 26, the top of the rectifying column tower 1 are equipped with steam (vapor) outlet, and it is cold that the steam (vapor) outlet connects the tower top
The shell side import of condenser 11, the shell-side outlet of the overhead condenser 11 connect the top inlet of the fraction device 9, the fraction
The outlet at bottom of device 9 connects the import of the reflux pump 10, and the outlet of the reflux pump 10 is separately connected the overhead product tank 8
With the rectifying column tower 1, the overhead extraction flowmeter 13 is arranged between the reflux pump 10 and the overhead product tank 8
Pipeline on, 14 amount of return flow meter is arranged on the pipeline between the reflux pump 10 and the rectifying column tower 1, institute
The outlet for stating return flow meter 14 is also equipped with reflux temperature sensor 30, and the outlet at bottom of the overhead product tank 8 connects institute
Head tank 6 is stated, the top exit of the refrigeration cycle pump 7 connects the tube side import of the overhead condenser 11, the cooling water
Flowmeter 15 is arranged on the pipeline between the refrigeration cycle pump 7 and the overhead condenser 11, the overhead condenser 11
Tube side outlet connect the top inlet of refrigeration cycle pump 7, the top exit of the tower reactor 2 connects the tower reactor products pot
3 top inlet, the outlet at bottom of the tower reactor products pot 3 connect the import of the batch turning pump 4, the outlet of the batch turning pump 4
The head tank 6 is connected, the top of the tower reactor 2 is equipped with tower reactor pressure sensor 38 and bottom temperature sensor 40, corresponding
Be mounted on temperature of charge sensor 31 in the rectifying column tower 1 of each sieve plate, the reflux temperature sensor 30, it is described into
Expect temperature sensor 26, the tower reactor pressure sensor 38, the bottom temperature sensor 40 and the temperature of charge sensor
31 are electrically connected the control platform, and the control platform is a touch-control all-in-one machine.
The top of the tower reactor 2 is equipped with tower reactor charging valve 39, and the bottom of the fraction device 9 is equipped with fraction device sampling valve
32, overhead reflux flow control valve 29 is additionally provided on the pipeline between the reflux pump 10 and the rectifying column tower 1, it is described
Overhead extraction flow control valve 28, the feed pump 5 are additionally provided on pipeline between reflux pump 10 and the overhead product tank 8
Feed rate regulating valve 25, the overhead product tank 8 and the original are provided on pipeline between the feed flow meter 12
Overhead product baiting valve 23 is installed, the bottom of the overhead product tank 8 is equipped with overhead product and takes on the pipeline between batch can 6
Sample valve 24, the top of the head tank 6 are also equipped with blow valve 20, and the bottom of the head tank 6 is also equipped with raw material sampling valve
18, the batch turning pumps and is equipped with tower reactor product batch turning valve 22, the tower reactor products pot 3 on the pipeline between 4 and the head tank 6
Tower reactor product baiting valve 34 is installed on pipeline between batch turning pump 4, the bottom of the tower reactor products pot 3 is additionally provided with
Tower reactor product sampling valve 35, the feed pump 5 outlet the head tank 6 between pipeline on be equipped with feedstock circulation stirring
Valve 21, the refrigeration cycle pump and are additionally provided with cooling water flow regulating valve 33 on the pipeline between 7 and the overhead condenser 11,
The bottom and top of the rectifying column tower 1 are mounted on glass view cup, are additionally provided at least two in the rectifying column tower 1 and take
Sample mouth 41, each sample tap 41 are separately positioned on the top of corresponding each sieve plate, and the bottom of the tower reactor 2 is equipped with 36 He of tower reactor discharging valve
Tower reactor sampling valve 37.
The feed flow meter 12, the cooling water flow meter 15, the overhead extraction flowmeter 13 and reflux stream
Meter 14 is spinner flowmeter.
Internal diameter D=68mm of the rectifying column tower 1, the spacing H of feed zone sieve plateT=150mm, the spacing of common section sieve plate
HT=100mm, glass regard the spacing H of cup section sieve plateT=70mm。
The sieve plate is equipped with 50 sieve plate holes, sieve plate hole aperture d=3mm, and the percent opening of the sieve plate is 9.73%.
The range of the feed flow meter 12 is 10~100mL/min, the range of the return flow meter 14 is 25~
250mL/min, the range of the overhead extraction flowmeter 13 are 2.5~25mL/min, the range of the cooling water flow meter 15
For 1~11L/min, the general power of the electric heater unit is 4.5kW, the range of the tower reactor pressure sensor 38 is 0~
10kPa, the reflux temperature sensor 30, the feeding temperature sensor 26, the bottom temperature sensor 40 and the object
Material temperature sensor 31 is the Pt100 temperature sensor of diameter 3mm.
The operating procedure of the sieve plate rectification experimental apparatus of the utility model is as follows:
1, it drives
(1) general supply of the experimental provision and the power supply of control platform are opened, the touch screen for starting the control platform is set
It is standby；
(2) prepare feeding liquid about 30v%(volume) ethanol-water solution, the original is added by the raw materials valve 19
In batch can 6, then, while the feed pump 5 and feedstock circulation stirring valve 21 is opened, be uniformly mixed raw material；
(3) open the tower reactor charging valve 39, about 10 v%(volumes be added in the tower reactor 2) ethanol-water solution,
Make the discharge port of liquid level and the tower reactor 2 in the tower reactor 2 maintain an equal level (may be lower than discharge port, but when liquid level is too low electric heating without
Method starting)；
(4) the refrigeration cycle pump 7 and the cooling water flow regulating valve 33 are opened, about 10 L/ of cooling water flow is kept
min；
(5) power supply for opening the electric heater unit, selects heating method, the heating power in the tower reactor 2 is maintained to exist
2kW or so desired value；
(6) the overhead reflux flow control valve 29 is opened, total reflux operation is carried out, according to liquid level in the fraction device 9
Height adjustment return flow, return flow are controlled in 80~150mL/min；
2, the stabilization sub stage is fed
(1) after the tower top of the rectifying column tower 1 has reflux, about 0.6~0.7 kPa of pressure in the tower reactor 2 is maintained；
(2) total reflux operation is stablized after a certain period of time, closes the feedstock circulation stirring valve 21, and open the feeding flow
Adjustable valve 25 and the tower body inlet valve 27, are adjusted to 60 mL/min for feed rate；
(3) operation, which is just calculated, after maintaining tower top temperature, column bottom temperature, 9 liquid level of fraction device constant stablizes；
3, partial reflux
(1) it opens the overhead extraction flow control valve 28 and carries out finite reflux operation, reflux ratio controls R under normal circumstances
=L/D=4~8 ranges (this can determine according to oneself situation)；
(2) tower top, tower reactor 2, the temperature of charging are read respectively, rectifying column tower 1, the fraction device 9 described in sample detection,
The alcohol concentration of solution in the tower reactor products pot 3 and the overhead product tank 8 records related data (note: ethanol-water system
Concentration of alcohol can be measured by wine degree densimeter, it is simple and quick, but precision is lower, and it, can to realize high-precision measurement
Concentration analysis is carried out using gas-chromatography)；
4, abnormal operation (abnormal operation type, choosing are done)
(1) overhead product concentration caused by reflux ratio too small (overhead extraction amount is excessive) reduces；
(2) inlet amount is excessive, causes each circular downeomer liquid flooding；
(3) heating voltage crosses bottom, easily causes each sieve plate leakage；
(4) heating voltage is excessive, easily causes each sieve plate and excessive entrainment even liquid flooding occurs；
5, it stops
(1) experiment finishes, and closes the feed pump 5, the overhead extraction flow control valve 28, opens the overhead reflux
Flow control valve 29 maintains infinite reflux state about 5min；
(2) electric heating is closed, the refrigeration cycle pump 7 is closed when waiting on each sieve plate without gas-liquid.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (6)
1. a kind of sieve plate rectification experimental apparatus, including rectifying column tower, several sieve plates and tower reactor, each sieve plate from tower top to tower bottom according to
It is secondary to be mounted on inside the rectifying column tower, circular downeomer is installed, the tower reactor is mounted on the essence between two pieces of sieve plates
Evaporate the tower bottom of tower tower body, electric heater unit be installed in the tower reactor, it is characterised in that: it further include head tank, feed pump, into
Stream meter, overhead condenser, refrigeration cycle pump, cooling water flow meter, overhead product tank, fraction device, reflux pump, overhead extraction
Flowmeter, return flow meter, batch turning pump, tower reactor products pot and control platform are equipped with charging valve at the top of the head tank, institute
The bottom for stating head tank is equipped with baiting valve and outlet valve, and the raw material outlet valve connects the feed pump, the feed pump
Outlet is separately connected the head tank and the feed flow meter, and the outlet of the feed flow meter divides multi-pipeline to connect the essence
Tower tower body is evaporated, tower body inlet valve is mounted on each pipeline between the feed flow meter and the rectifying column tower, it is described
The outlet of feed flow meter is also equipped with feeding temperature sensor, and the top of the rectifying column tower is equipped with steam (vapor) outlet, described
Steam (vapor) outlet connects the shell side import of the overhead condenser, and the shell-side outlet of the overhead condenser connects the fraction device
The outlet at bottom of top inlet, the fraction device connects the import of the reflux pump, and the outlet of the reflux pump is separately connected institute
Overhead product tank and the rectifying column tower are stated, the overhead extraction flowmeter is arranged in the reflux pump and the overhead product
On pipeline between tank, the return flow measures the pipeline being arranged between the reflux pump and the rectifying column tower
On, the outlet of the return flow meter is also equipped with reflux temperature sensor, and the outlet at bottom of the overhead product tank connects institute
Head tank is stated, the top exit of the refrigeration cycle pump connects the tube side import of the overhead condenser, the cooling water flow
Meter is arranged on the pipeline between the refrigeration cycle pump and the overhead condenser, and the tube side of the overhead condenser, which exports, to be connected
The top inlet of the refrigeration cycle pump is connect, the top exit of the tower reactor connects the top inlet of the tower reactor products pot, institute
The outlet at bottom for stating tower reactor products pot connects the import of the batch turning pump, and the outlet of the batch turning pump connects the head tank, institute
It states and tower reactor pressure sensor and bottom temperature sensor is installed at the top of tower reactor, in the rectifying column tower of corresponding each sieve plate
It is mounted on temperature of charge sensor, the reflux temperature sensor, the feeding temperature sensor, the tower reactor pressure sensing
Device, the bottom temperature sensor and the temperature of charge sensor are electrically connected the control platform, and the control platform is
One touch-control all-in-one machine.
2. sieve plate rectification experimental apparatus according to claim 1, it is characterised in that: be equipped with tower reactor at the top of the tower reactor
Charging valve, the bottom of the fraction device are equipped with fraction device sampling valve, the pipe between the reflux pump and the rectifying column tower
Road is additionally provided with overhead reflux flow control valve, is additionally provided on the pipeline between the reflux pump and the overhead product tank
Overhead extraction flow control valve is provided with feed rate adjusting on the pipeline between the feed pump and the feed flow meter
Valve is equipped with overhead product baiting valve, the overhead product tank on the pipeline between the overhead product tank and the head tank
Bottom overhead product sampling valve is installed, blow valve is also equipped at the top of the head tank, the bottom of the head tank is also
Raw material sampling valve is installed, tower reactor product batch turning valve is installed on the pipeline between the batch turning pump and the head tank, it is described
Feedstock circulation stirring valve is installed on the pipeline between the outlet and the head tank of feed pump, refrigeration cycle pump with it is described
Cooling water flow regulating valve is additionally provided on pipeline between overhead condenser, the bottom and top of the rectifying column tower are pacified
Cup is regarded equipped with glass, at least two sample taps are additionally provided in the rectifying column tower, each sample tap is separately positioned on corresponding each sieve
The bottom of the top of plate, the tower reactor is equipped with tower reactor discharging valve and tower reactor sampling valve.
3. sieve plate rectification experimental apparatus according to claim 2, it is characterised in that: the feed flow meter, the cooling
Water ga(u)ge, the overhead extraction flowmeter and the return flow meter are spinner flowmeter.
4. sieve plate rectification experimental apparatus according to claim 3, it is characterised in that: the internal diameter D of the rectifying column tower=
68mm, the spacing H of feed zone sieve plateT=150mm, the spacing H of common section sieve plateT=100mm, glass regard the spacing H of cup section sieve plateT=
70mm。
5. sieve plate rectification experimental apparatus according to claim 4, it is characterised in that: the sieve plate is equipped with 50 sieve plates
Hole, sieve plate hole aperture d=3mm, the percent opening of the sieve plate are 9.73%.
6. sieve plate rectification experimental apparatus according to claim 5, it is characterised in that: the range of the feed flow meter is 10
~100mL/min, the range of the return flow meter are 25~250mL/min, and the range of the overhead extraction flowmeter is 2.5
~25mL/min, the range of the cooling water flow meter are 1~11L/min, and the general power of the electric heater unit is 4.5kW,
The range of the tower reactor pressure sensor is 0~10kPa, the reflux temperature sensor, the feeding temperature sensor, described
Bottom temperature sensor and the temperature of charge sensor are the Pt100 temperature sensor of diameter 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821173649.3U CN208770881U (en) | 2018-07-24 | 2018-07-24 | Sieve plate rectification experimental apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821173649.3U CN208770881U (en) | 2018-07-24 | 2018-07-24 | Sieve plate rectification experimental apparatus |
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| Publication Number | Publication Date |
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| CN208770881U true CN208770881U (en) | 2019-04-23 |
Family
ID=66154553
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| CN201821173649.3U Active CN208770881U (en) | 2018-07-24 | 2018-07-24 | Sieve plate rectification experimental apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530113A (en) * | 2020-05-07 | 2020-08-14 | 杭州制氧机集团股份有限公司 | Liquid distribution test system in large-scale packed tower and operation method |
| CN112933638A (en) * | 2021-01-15 | 2021-06-11 | 海宁市英德赛电子有限公司 | 8N electronic grade high-purity ammonia rectification system and quality control method thereof |
| CN114011106A (en) * | 2021-11-15 | 2022-02-08 | 西仪服(郑州)科技有限公司 | Intelligent rectification experimental apparatus |
-
2018
- 2018-07-24 CN CN201821173649.3U patent/CN208770881U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530113A (en) * | 2020-05-07 | 2020-08-14 | 杭州制氧机集团股份有限公司 | Liquid distribution test system in large-scale packed tower and operation method |
| CN111530113B (en) * | 2020-05-07 | 2023-12-01 | 杭氧集团股份有限公司 | Liquid distribution test system in large-scale packed tower and operation method |
| CN112933638A (en) * | 2021-01-15 | 2021-06-11 | 海宁市英德赛电子有限公司 | 8N electronic grade high-purity ammonia rectification system and quality control method thereof |
| CN114011106A (en) * | 2021-11-15 | 2022-02-08 | 西仪服(郑州)科技有限公司 | Intelligent rectification experimental apparatus |
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