CN206944765U - A kind of device of raising TDI Isomer ratios - Google Patents
A kind of device of raising TDI Isomer ratios Download PDFInfo
- Publication number
- CN206944765U CN206944765U CN201720449670.0U CN201720449670U CN206944765U CN 206944765 U CN206944765 U CN 206944765U CN 201720449670 U CN201720449670 U CN 201720449670U CN 206944765 U CN206944765 U CN 206944765U
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- CN
- China
- Prior art keywords
- oil
- cooling
- casing
- heat exchanger
- cooling heat
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
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- Control Of Temperature (AREA)
Abstract
The utility model discloses a kind of device of raising TDI Isomer ratios, including casing, positioned at the oil cooling heat exchanger of the casing internal, positioned at the casing side and the cooling oil input pipe that is connected with the oil cooling heat exchanger, positioned at the casing opposite side and the cooling oil efferent duct that is connected with the oil cooling heat exchanger, the oil cooling heat exchanger is internally provided with spiral coil cooling tube, the oil cooling heat exchanger inside bottom is provided with the connection snakelike circulating pump changed, the casing internal is provided with support, the casing side is provided with controller, the casing side is provided with the water inlet pipe being connected with the oil cooling heat exchanger.Beneficial effect is：The utility model to TDI100 cooling oil oil temperature by automatically adjusting, and increase supercharging equipment in the course of conveying of cooling oil, the transfer efficiency and cooling-down effect of cooling oil are improved, improves the Isomer ratio of TDI100 materials, improves the productivity effect of TDI materials.
Description
Technical field
The utility model belongs to chemical industry auxiliary equipment field, and in particular to a kind of device of raising TDI Isomer ratios.
Background technology
TDI industrial products, can be divided into three kinds by 2,4-TDI, the difference of 2,6TDI Isomer ratio contents in TDI materials
Different specification TDI100, TDI80/20, TDI65/35.The product purpose of three kinds of specifications is different, causes price variance larger, its
Middle TDI100 prices are higher by 4000/t or so compared with remaining two kinds of material price.Therefore, the control to TDI material Isomer ratios and economy
Benefit is closely bound up.
Traditional TDI material crystallines equipment due to cooling oil in course of conveying easily in conveying pipeline inner wall fouling, shadow
The transfer rate of cooling oil is rung, while in course of conveying, particularly the summer of heat, oil cooling system are difficult to pipeline
Effective temperature-reducing, cause cooling oil to be difficult to reach required temperature, and then influence the crystallisation by cooling effect of TDI materials.
Therefore, it is necessary to which one kind can carry out automatic temperature-adjusting control to cooling oil, and the transfer efficiency of cooling oil can be improved
Equipment, to improve TDI100 crystallization effect, increase economic efficiency.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of device of raising TDI Isomer ratios.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of device of raising TDI Isomer ratios, including casing, the oil cooling heat exchanger positioned at the casing internal, positioned at institute
The cooling oil input pipe stating casing side and be connected with the oil cooling heat exchanger, positioned at the casing opposite side and with institute
The cooling oil efferent duct that oil cooling heat exchanger is connected is stated, the oil cooling heat exchanger is internally provided with spiral coil cooling tube, the oil cooling
Heat exchanger inside bottom is provided with the connection snakelike circulating pump changed, and the casing internal is provided with support, the machine
Shell side is provided with controller, and the casing side is provided with the water inlet pipe being connected with the oil cooling heat exchanger, the casing
Opposite side is provided with the outlet pipe being connected with the oil cooling heat exchanger, and the junction of the water inlet pipe and the casing is provided with
Conveying pump；The junction of the cooling oil input pipe and the casing is provided with the first oil temperature detector, the cooling oil output
The junction of pipe and the casing is provided with the second oil temperature detector.
In said structure, the cooling oil of TDI crystallization cooling systems exchanges heat through the cooling oil input pipe into the oil cooling
In device, circulation conveying is carried out inside the spiral coil cooling tube, cooling water is sent into the oil cooling heat exchanger by the conveying pump,
The spiral coil cooling tube is cooled down, cooling water exports through the outlet pipe, and the cooling oil after cooling is through the cooling
Oily efferent duct output, in the temperature-fall period of cooling oil, the first oil temperature detector can with the second oil temperature detector
Input oil temperature and output oil temperature are detected, and detection signal is transferred to the controller, by the controller according to this
The signal control conveying pump send water speed, to adjust the cooling velocity of cooling oil.
Further, the cooling oil input pipe is connected with one end of the spiral coil cooling tube, the cooling oil output
Pipe is connected with the other end of the spiral coil cooling tube.
Further, the oil cooling heat exchanger is hollow structure.
Further, the first oil temperature detector electrically connects with the controller, the second oil temperature detector and institute
State controller electrical connection.
Further, the conveying pump is electrically connected with the controller respectively with the circulating pump.
Further, PLC is used inside the controller as main control module.
Beneficial effect is：The utility model to TDI100 cooling oil oil temperature by automatically adjusting, and cold
Increase supercharging equipment in oily course of conveying, improve the transfer efficiency and cooling-down effect of cooling oil, improve TDI100 materials
The Isomer ratio of material, improve the productivity effect of TDI materials.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the device of raising TDI Isomer ratios described in the utility model；
Fig. 2 is a kind of control system block diagram of the device of raising TDI Isomer ratios described in the utility model.
1st, spiral coil cooling tube；2nd, conveying pump；3rd, water inlet pipe；4th, casing；5th, support；6th, controller；7th, cooling oil input pipe；
8th, the first oil temperature detector；9th, oil cooling heat exchanger；10th, outlet pipe；11st, cooling oil efferent duct；12nd, the second oil temperature detector；13、
Circulating pump.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 2, a kind of device of raising TDI Isomer ratios, including casing 4, the oil cooling inside casing 4 change
Hot device 9, the cooling oil input pipe 7 being connected positioned at the side of casing 4 and with oil cooling heat exchanger 9, positioned at the opposite side of casing 4 and
The cooling oil efferent duct 11 being connected with oil cooling heat exchanger 9, oil cooling heat exchanger 9 are internally provided with spiral coil cooling tube 1, oil cooling heat exchange
The inside bottom of device 9 is provided with the snakelike circulating pump 13 changed of connection, and casing 4 is internally provided with support 5, the installation of the side of casing 4
There is controller 6, the side of casing 4 is provided with the water inlet pipe 3 being connected with oil cooling heat exchanger 9, and the opposite side of casing 4 is provided with and oil cooling
The junction of the outlet pipe 10 that heat exchanger 9 is connected, water inlet pipe 3 and casing 4 is provided with conveying pump 2, and conveying pump 2 is used to control
Under the control of device 6, water-horse power is sent to adjust the cooling power of cooling oil according to detection signal control；Cooling oil input pipe 7 and machine
The junction of shell 4 is provided with the first oil temperature detector 8, and the junction of cooling oil efferent duct 11 and casing 4 is provided with the second oil temperature
Detector 12, the first oil temperature detector 8 are used for the oil temperature for detecting the cooling oil of input equipment, and the second oil temperature detector 12 is used to examine
Survey the oil temperature of the cooling oil of output equipment.
In said structure, the cooling oil of TDI crystallization cooling systems enters in oil cooling heat exchanger 9 through cooling oil input pipe 7,
The inside of spiral coil cooling tube 1 carries out circulation conveying, and cooling water is sent into oil cooling heat exchanger 9, spiral coil cooling tube 1 is entered by conveying pump 2
Row cools, and cooling water exports through outlet pipe 10, and the cooling oil after cooling exports through cooling oil efferent duct 11, in cooling oil
In temperature-fall period, the first oil temperature detector 8 can detect with the second oil temperature detector 12 to input oil temperature and output oil temperature,
And detection signal is transferred to controller 6, water speed is sent according to signal control conveying pump 2 by controller 6, to adjust cooling
The cooling velocity of oil.
Further, cooling oil input pipe 7 is connected with one end of spiral coil cooling tube 1, cooling oil efferent duct 11 with it is snakelike
The other end of cooling tube 1 is connected, and oil cooling heat exchanger 9 is hollow structure, and the first oil temperature detector 8 electrically connects with controller 6, the
Two oil temperature detectors 12 are electrically connected with controller 6, and conveying pump 2 is electrically connected with controller 6 respectively with circulating pump 13, controller 6
Inside is using PLC as main control module.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope
Defined by appended claims and its effect thing.
Claims (6)
1. a kind of device of raising TDI Isomer ratios, including casing, the oil cooling heat exchanger positioned at the casing internal, positioned at described
Casing side and be connected with the oil cooling heat exchanger cooling oil input pipe, positioned at the casing opposite side and with it is described
The cooling oil efferent duct that oil cooling heat exchanger is connected, it is characterised in that：The oil cooling heat exchanger is internally provided with spiral coil cooling tube,
The oil cooling heat exchanger inside bottom is provided with the connection snakelike circulating pump changed, and the casing internal is provided with branch
Frame, the casing side are provided with controller, and the casing side is provided with the water inlet pipe being connected with the oil cooling heat exchanger,
The casing opposite side is provided with the outlet pipe being connected with the oil cooling heat exchanger, the connection of the water inlet pipe and the casing
Place is provided with conveying pump；The junction of the cooling oil input pipe and the casing is provided with the first oil temperature detector, described cold
The junction of oily efferent duct and the casing is provided with the second oil temperature detector.
A kind of 2. device of raising TDI Isomer ratios according to claim 1, it is characterised in that：The cooling oil input pipe
It is connected with one end of the spiral coil cooling tube, the cooling oil efferent duct is connected with the other end of the spiral coil cooling tube.
A kind of 3. device of raising TDI Isomer ratios according to claim 1, it is characterised in that：The oil cooling heat exchanger is
Hollow structure.
A kind of 4. device of raising TDI Isomer ratios according to claim 1, it is characterised in that：The first oil temperature detection
Device electrically connects with the controller, and the second oil temperature detector electrically connects with the controller.
A kind of 5. device of raising TDI Isomer ratios according to claim 1, it is characterised in that：The conveying pump with it is described
Circulating pump is electrically connected with the controller respectively.
A kind of 6. device of raising TDI Isomer ratios according to claim 1, it is characterised in that：Adopted inside the controller
Main control module is used as by the use of PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449670.0U CN206944765U (en) | 2017-04-26 | 2017-04-26 | A kind of device of raising TDI Isomer ratios |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449670.0U CN206944765U (en) | 2017-04-26 | 2017-04-26 | A kind of device of raising TDI Isomer ratios |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206944765U true CN206944765U (en) | 2018-01-30 |
Family
ID=61358707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720449670.0U Expired - Fee Related CN206944765U (en) | 2017-04-26 | 2017-04-26 | A kind of device of raising TDI Isomer ratios |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206944765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931271A (en) * | 2019-04-11 | 2019-06-25 | 长沙中联泵业有限公司 | A kind of heat exchange type water pump |
-
2017
- 2017-04-26 CN CN201720449670.0U patent/CN206944765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931271A (en) * | 2019-04-11 | 2019-06-25 | 长沙中联泵业有限公司 | A kind of heat exchange type water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |