CN205684001U - Produce the device of PEPA - Google Patents
Produce the device of PEPA Download PDFInfo
- Publication number
- CN205684001U CN205684001U CN201620331987.XU CN201620331987U CN205684001U CN 205684001 U CN205684001 U CN 205684001U CN 201620331987 U CN201620331987 U CN 201620331987U CN 205684001 U CN205684001 U CN 205684001U
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- switch valve
- connects
- pepa
- row
- oil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
This utility model relates to a kind of device producing PEPA, and feature is to include oil pump, oil tank, the first to the 3rd switch valve, heat exchanger tube, heat detector, PLC, PEPA reactor, fractionating column, endothermic tube, condenser structure, row's alcohol valve and row's alcohol structure；First switch valve two ends connect with oil tank and oil pump respectively；Heat exchanger tube is located in oil tank；Second and third switch valve is respectively provided at the inlet and outlet of heat exchanger tube；Heat detector is located on oil tank；PLC electrically connects with second switch valve and heat detector；PEPA reactor connects with the bottom of fractionating column, and condenser structure connects with the top of fractionating column, and the two ends of endothermic tube connect with oil pump and oil tank respectively；Row's alcohol structure connects with the bottom of fractionating column, and row's alcohol valve is located on the pipe that row's alcohol structure connects with fractionating column.Its advantage is: in the middle of the process produce middle temperature oil device addition PEPA, and the temperature of reactor is controlled within the specific limits, also can utilize once again after the temperature of middle temperature oil absorption alcohol reactor by its effect that may act as cooling down water, and heat utilization efficiency is high.
Description
Technical field
This utility model relates to a kind of device producing PEPA.
Background technology
At present, PEPA production process, experiences two stages: air-distillation stage, the temperature of this elementary reaction still
Needs control at 130 DEG C-150 DEG C, it is therefore an objective to remove out water byproduct；In row's alcohol stage, negative pressure extracts the alcohol of low-molecular-weight, these rank out
Section temperature of reaction kettle needs to control at 220-240 DEG C；In the first phase, reactor needs the control of temperature stabilization 130
In the range of DEG C-150 DEG C, so need substantial amounts of cooling water that reactor is lowered the temperature, waste the energy, not environmentally.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art to provide a kind of by many for middle temperature oil device addition polyester
In the middle of the process that unit's alcohol produces, the first stage can served as the effect of cooling water, by the temperature of reactor by this middle temperature oil device
Stable control within the specific limits, also can utilize once again after the temperature of middle temperature oil absorption alcohol reactor, save the energy, environmental protection
Produce PEPA device.
In order to achieve the above object, this utility model is achieved in that it is a kind of device producing PEPA
It is characterized in that including:
Oil pump, the first switch valve and oil tank；The import of described first switch valve and the outlet of oil tank, the first switch valve
The inlet communication of outlet and oil pump；
Second switch valve, the 3rd switch valve and heat exchanger tube；Described heat exchanger tube dish is located in oil tank, and the import of heat exchanger tube is with high
Temperature conduction oil connection, the outlet of heat exchanger tube is in communication with the outside；Described second switch valve is located at the import department of heat exchanger tube, and the described 3rd
Switch valve is located at the exit of heat exchanger tube；
Heat detector；Described heat detector is located on oil tank；
PLC；Described PLC electrically connects with second switch valve and heat detector respectively；
PEPA reactor, fractionating column, endothermic tube and condenser structure；The top of described PEPA reactor
Connect with the bottom of fractionating column, the top of fractionating column and the inlet communication of condenser structure, the outlet of described condenser structure with
Extraneous waste water dish connection, described endothermic tube around being located on PEPA reactor, the oil-in of endothermic tube and oil delivery side of pump
Connection, the oil-out of endothermic tube connects with the oil return opening of oil tank；And
Row's alcohol valve and row's alcohol structure；The import of described row's alcohol structure connects with the bottom of fractionating column, the outlet of row's alcohol structure
Being in communication with the outside, described row's alcohol valve is located on the pipe that row's alcohol structure connects with fractionating column.
In the technical program, described oil tank is additionally provided with the interlayer that can lead to cooling water, described interlayer is provided with cold
But water inlet, the last person mouth of a river and coolant outlet, described cooling water inlet connects with extraneous cooling water, at cooling water inlet with outer
The pipe of boundary's cooling water connection is provided with the 4th switch valve, and the described last person mouth of a river and coolant outlet are in communication with the outside respectively, in institute
State the pipe that the last person mouth of a river is in communication with the outside and be provided with the 5th switch valve, the pipe that described coolant outlet is in communication with the outside is provided with
6th switch valve, described 6th switch valve and the 4th switch valve electrically connect with PLC respectively.
In the technical program, the outlet of described 5th switch valve respectively with import and the import of the 8th switch valve of water pump
Connection, the outlet of described water delivery side of pump and the 8th switch valve is in communication with the outside respectively, at the pipe that described water pump is in communication with the outside
It is provided with the 9th switch valve, described water pump and the 9th switch valve to electrically connect with PLC.
In the technical program, described oil tank is additionally provided with expansion slot, evacuation port and relief valve；Described evacuation port is with outer
Boundary connects, and is provided with the 9th switch valve on the pipe that evacuation port is in communication with the outside, and described 9th switch valve connects with PLC.
In the technical program, described PLC is electrically connected with temperature indicator.
In the technical program, the pipe that described oil pump connects with the oil-in of endothermic tube is additionally provided with the tenth switch valve.
In the technical program, described row's alcohol structure is respectively equipped with vacuum orifice, evacuation port, nitrogen pore, charging aperture
And discharge gate；Wherein on the pipe that described vacuum orifice connects with extraneous vacuum extractor, it is provided with vacuum switch valve, described row
The pipe eating dishes without rice or wine to connect with extraneous emptier is provided with emptying switch valve, at the pipe that described nitrogen pore connects with extraneous nitrogen device
Being provided with nitrogen switch valve, described charging aperture is the import of row's alcohol structure, and described discharge gate is the outlet of row's alcohol structure,
The pipe that described discharge gate is in communication with the outside is provided with discharge switch valve.
In the technical program, described condenser structure includes vertical condenser and horizontal type condenser, described vertical condensation
The import of device connects with the top of fractionating column, and the outlet of vertical condenser and the inlet communication of horizontal type condenser, described horizontal type is cold
The outlet of condenser connects with extraneous waste water dish.
In the technical program, described row's alcohol structure is provided with vacuum detecting mouth, described vacuum detecting mouth and vacuum meter
Connection, is provided with detection switch valve on the pipe that described vacuum detecting mouth connects with vacuum meter.
This utility model advantage compared with prior art is: middle temperature oil device is added the process that PEPA produces
In the middle of, the first stage can served as the effect of cooling water, by the control of the temperature stabilization of reactor one by this middle temperature oil device
In the range of Ding, also can utilize once again after the temperature of middle temperature oil absorption alcohol reactor, heat utilization efficiency is high, saves the energy, environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the row's alcohol structure in this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that
The explanation of these embodiments is adapted to assist in and understands this utility model, but be not intended that restriction of the present utility model.This
Outward, as long as technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes punching each other
Dash forward and just can be combined with each other.
In description of the present utility model, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th ", " the 6th ",
" the 7th ", " the 8th ", " the 9th " and " the tenth " are only used for describing purpose, and it is not intended that indicate or hint relative importance.
In this utility model describes, term " push up " and " end " etc. indicates orientation or position relationship are for based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of description this utility model rather than require that this utility model must be with specific side
Position structure and operation, therefore it is not intended that to restriction of the present utility model.
As shown in Figures 1 and 2, it is a kind of device producing PEPA, including:
Oil pump the 4, first switch valve 5 and oil tank 14；The import of described first switch valve 5 and the outlet of oil tank 14, the
The outlet of one switch valve 5 and the inlet communication of oil pump 4；
Second switch valve the 7, the 3rd switch valve 8 and heat exchanger tube 9；Described heat exchanger tube 9 dish is located in oil tank 14, heat exchanger tube 9
Import connects with high temperature heat conductive oil, and the outlet of heat exchanger tube 9 is in communication with the outside；Described second switch valve 7 is located at the import of heat exchanger tube 9
Place, described 3rd switch valve 8 is located at the exit of heat exchanger tube 9；
Heat detector 20；Described heat detector 20 is located on oil tank 14；
PLC 2；Described PLC 2 electrically connects with second switch valve 7 and heat detector 20 respectively；
PEPA reactor 21, fractionating column 22, endothermic tube 33 and condenser structure；Described PEPA reactor
The top of 21 connects with the bottom of fractionating column 22, the top of fractionating column 22 and the inlet communication of condenser structure, described condenser
The outlet of structure connects with extraneous waste water dish, described endothermic tube 33 around being located on PEPA reactor 21, endothermic tube 33
Oil-in 331 and the outlet of oil pump 4, the oil-out 332 of endothermic tube 33 connects with the oil return opening 142 of oil tank 14；And
Row's alcohol valve 25 and row's alcohol structure 26；The described import of row's alcohol structure 26 connects with the bottom of fractionating column 22, row's alcohol knot
The outlet of structure 26 is in communication with the outside, on the pipe that described row alcohol valve 25 row of being located at alcohol structure 26 connects with fractionating column 22.
During use, PEPA reacts, and in the air-distillation stage, the row's of closedown alcohol valve 25, middle temperature oil device opens, and makes to gather
The temperature of ester polyol reactor 21 maintains between 130 DEG C-150 DEG C, and middle temperature oil absorbs heat, thus in heated tank
Oil, the water byproduct reacting generation in PEPA reactor 21 discharges reaction after fractionating column 22 and condenser structure
Still 21, the small molecular alcohol that now PEPA reactor 21 generates can be gathered in the bottom of fractionating column 22, the row's of opening alcohol valve 25,
Small molecular alcohol is directly entered in Pai Chun mechanism 26, without fractionating column 22 and condenser structure, accelerates the discharge of small molecular alcohol
Efficiency, it is ensured that small molecular alcohol returns in PEPA reactor 21 without going past fractionating column 22 and reactor 21 junction,
Ensure that PEPA even molecular weight distribution in reactor 21, improve product matter, accelerate in PEPA reactor 21
Reaction；Simultaneously in middle temperature oil device, the conduction oil of high temperature is by the conduction oil in heat exchanger tube 9 heated tank 14, heat detector
20 by the Temperature Feedback of the conduction oil in oil tank 14 to PLC 2, PLC 2 controls the stream of conduction oil in heat exchanger tube 9
Amount, so that the conduction oil in oil tank 14 becomes high temperature heat conductive oil or middle temperature conduction oil or low temperature conduction oil, thus adapts to difference
Production technology in the middle of, after the heat-conducting oil heating in oil tank 14 to preference temperature, discharge oil tank 14 by oil pump 4.
In the present embodiment, described oil tank 14 is additionally provided with the interlayer 19 that can lead to cooling water, described interlayer 19 sets
Cooling water inlet 191, the last person mouth of a river 192 and coolant outlet 193, described cooling water inlet 191 is had to connect with extraneous cooling water,
The pipe that cooling water inlet 191 connects with extraneous cooling water is provided with the 4th switch valve 6, the described last person mouth of a river 192 and cooling water
Outlet 193 is in communication with the outside respectively, is provided with the 5th switch valve 15, in institute on the pipe that the described last person mouth of a river 192 is in communication with the outside
State the pipe that coolant outlet 193 is in communication with the outside and be provided with the 6th switch valve 13, described 6th switch valve 13 and the 4th switch valve 6
Electrically connect with PLC 2 respectively.During use, when needs use refrigerating function, PLC 2 can stop note according to setting
Enter high temperature heat conductive oil, open the 4th switch valve 6, formed cooling water circulation, after cooling, open the 5th switch valve 15 and the
Cooling water drainage is gone out by six switch valves 13.
In the present embodiment, the outlet of described 5th switch valve 15 respectively with the import of water pump 18 and the 8th switch valve 17
Inlet communication, the outlet of described water pump 18 and the outlet of the 8th switch valve 17 are in communication with the outside respectively, at described water pump 18 with outer
The pipe of boundary's connection is provided with the 9th switch valve 16, and described water pump 18 and the 9th switch valve 17 electrically connect with PLC 2.Use
Time, accelerate the speed of row's cooling water.
In the present embodiment, described oil tank 14 is additionally provided with expansion slot 10, evacuation port 141 and relief valve 12；Described row
Eat dishes without rice or wine 141 to be in communication with the outside, the pipe that evacuation port 141 is in communication with the outside is provided with the 9th switch valve 11, described 9th switch valve
11 connect with PLC 2.During use, for preventing because conduction oil is impure or heats up and too fast causes the oil pressure in oil tank 14 too high,
The conduction oil of overflow can be collected by the expansion slot 10 at the top of device, forms protection device, and oil tank 14 has been provided with relief valve 12
With exhaust-valve 11, it is to avoid temperature-rise period expand with heat and contract with cold effect cause security incident.
In the present embodiment, described PLC 2 is electrically connected with temperature indicator 1.
In the present embodiment, the pipe that described oil pump 4 connects with the oil-in 331 of endothermic tube 33 is additionally provided with the tenth switch
Valve 3.
In the present embodiment, described row's alcohol structure 26 is respectively equipped with vacuum orifice 262, evacuation port 263, nitrogen pore
264, charging aperture 265 and discharge gate 266；Wherein it is provided with on the pipe that described vacuum orifice 262 connects with extraneous vacuum extractor
Vacuum switch valve 29, is provided with emptying switch valve 30, at described nitrogen on the pipe that described evacuation port 263 connects with extraneous emptier
The pipe that pore 264 connects with extraneous nitrogen device is provided with nitrogen switch valve 31, described charging aperture 265 row of being alcohol structure 26
Import, the outlet of described discharge gate 266 row of being alcohol structure 26, the row of being provided with on the pipe that described discharge gate 266 is in communication with the outside
Material switch valve 32.During use, close discharge gate 266 and evacuation port 263, open vacuum orifice 262, nitrogen mouth 264, the row's of making alcohol knot
After structure 26 is internally formed negative pressure, the row's of opening alcohol valve 25, the small molecular alcohol that PEPA reactor 21 reaction produces, the most quickly
In the row's of entrance alcohol structure 26.
In the present embodiment, described condenser structure includes vertical condenser 23 and horizontal type condenser 24, described vertical cold
The import of condenser 23 connects with the top of fractionating column 22, the outlet of vertical condenser 23 and the inlet communication of horizontal type condenser 24,
The outlet of described horizontal type condenser 24 connects with extraneous waste water dish.
In the present embodiment, described row's alcohol structure 26 is provided with vacuum detecting mouth 261, described vacuum detecting mouth 261 with
Vacuum meter 28 connects, and is provided with detection switch valve 27 with vacuum meter 28 on the pipe that described vacuum detecting mouth 261 connects.
Above in association with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to institute
The embodiment described.For the ordinary skill in the art, without departing from principle of the present utility model and objective
In the case of these embodiments are carried out multiple change, revise, replace and deform and still fall within protection domain of the present utility model
In.
Claims (9)
1. the device producing PEPA, it is characterised in that including:
Oil pump (4), the first switch valve (5) and oil tank (14)；The import of described first switch valve (5) connects with the outlet of oil tank (14)
Logical, the outlet of the first switch valve (5) and the inlet communication of oil pump (4)；
Second switch valve (7), the 3rd switch valve (8) and heat exchanger tube (9)；Described heat exchanger tube (9) dish is located in oil tank (14), heat exchange
The import of pipe (9) connects with high temperature heat conductive oil, and the outlet of heat exchanger tube (9) is in communication with the outside；Described second switch valve (7) is located at changes
The import department of heat pipe (9), described 3rd switch valve (8) is located at the exit of heat exchanger tube (9)；
Heat detector (20)；Described heat detector (20) is located on oil tank (14)；
PLC (2)；Described PLC (2) electrically connects with second switch valve (7) and heat detector (20) respectively；
PEPA reactor (21), fractionating column (22), endothermic tube (33) and condenser structure；Described PEPA reacts
The top of still (21) connects with the bottom of fractionating column (22), the top of fractionating column (22) and the inlet communication of condenser structure, institute
The outlet stating condenser structure connects with extraneous waste water dish, and described endothermic tube (33) is around being located at PEPA reactor (21)
On, the oil-in (331) of endothermic tube (33) and the outlet of oil pump (4), the oil-out (332) of endothermic tube (33) and oil tank
(14) oil return opening (142) connection；And
Row's alcohol valve (25) and row's alcohol structure (26)；The import of described row's alcohol structure (26) connects with the bottom of fractionating column (22), row
The outlet of alcohol structure (26) is in communication with the outside, the pipe that described row alcohol valve (25) row of being located at alcohol structure (26) connects with fractionating column (22)
On.
The device of production PEPA the most according to claim 1, it is characterised in that also set on described oil tank (14)
There is the interlayer (19) that can lead to cooling water, described interlayer (19) is provided with cooling water inlet (191), the last person mouth of a river (192) and cold
But water out (193), described cooling water inlet (191) connects with extraneous cooling water, in cooling water inlet (191) and extraneous cooling
The pipe of water connection is provided with the 4th switch valve (6), and the described last person mouth of a river (192) and coolant outlet (193) are respectively with the external world even
Logical, the pipe that the described last person mouth of a river (192) is in communication with the outside is provided with the 5th switch valve (15), at described coolant outlet
(193) pipe being in communication with the outside is provided with the 6th switch valve (13), described 6th switch valve (13) and the 4th switch valve (6) respectively
Electrically connect with PLC (2).
The device of production PEPA the most according to claim 2, it is characterised in that described 5th switch valve (15)
Outlet respectively with import and the inlet communication of the 8th switch valve (17) of water pump (18), the outlet and the 8th of described water pump (18) is opened
The outlet closing valve (17) is in communication with the outside respectively, is provided with the 9th switch valve on the pipe that described water pump (18) is in communication with the outside
(16), described water pump (18) and the 9th switch valve (17) electrically connect with PLC (2).
The device of production PEPA the most according to claim 1, it is characterised in that also set on described oil tank (14)
There are expansion slot (10), evacuation port (141) and relief valve (12)；Described evacuation port (141) is in communication with the outside, in evacuation port (141)
The pipe being in communication with the outside is provided with the 9th switch valve (11), and described 9th switch valve (11) connects with PLC (2).
The device of production PEPA the most according to claim 1, it is characterised in that in described PLC (2)
It is electrically connected with temperature indicator (1).
The device of production PEPA the most according to claim 1, it is characterised in that at described oil pump (4) and endothermic tube
(33) it is additionally provided with the tenth switch valve (3) on the pipe that oil-in (331) connects.
The device of production PEPA the most according to claim 1, it is characterised in that on described row's alcohol structure (26)
It is respectively equipped with vacuum orifice (262), evacuation port (263), nitrogen pore (264), charging aperture (265) and discharge gate (266)；Wherein exist
The pipe that described vacuum orifice (262) connects with extraneous vacuum extractor is provided with vacuum switch valve (29), at described evacuation port
(263) pipe connected with extraneous emptier is provided with emptying switch valve (30), at described nitrogen pore (264) and extraneous nitrogen dress
The pipe putting connection is provided with nitrogen switch valve (31), the import of described charging aperture (265) row of being alcohol structure (26), described discharge
The outlet of mouth (266) row of being alcohol structure (26), is provided with discharge switch valve on the pipe that described discharge gate (266) is in communication with the outside
(32).
The device of production PEPA the most according to claim 1, it is characterised in that described condenser structure includes erecting
Formula condenser (23) and horizontal type condenser (24), the import of described vertical condenser (23) connects with the top of fractionating column (22),
The outlet of vertical condenser (23) and the inlet communication of horizontal type condenser (24), the outlet of described horizontal type condenser (24) is with extraneous
Waste water dish connects.
The device of production PEPA the most according to claim 2, it is characterised in that on described row's alcohol structure (26)
Being provided with vacuum detecting mouth (261), described vacuum detecting mouth (261) connects with vacuum meter (28), described vacuum detecting mouth (261)
The pipe connected with vacuum meter (28) is provided with detection switch valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620331987.XU CN205684001U (en) | 2016-04-20 | 2016-04-20 | Produce the device of PEPA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620331987.XU CN205684001U (en) | 2016-04-20 | 2016-04-20 | Produce the device of PEPA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205684001U true CN205684001U (en) | 2016-11-16 |
Family
ID=57264208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620331987.XU Active CN205684001U (en) | 2016-04-20 | 2016-04-20 | Produce the device of PEPA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205684001U (en) |
-
2016
- 2016-04-20 CN CN201620331987.XU patent/CN205684001U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528305, Alex Hua Tian Road 4, hi tech Zone (Ronggui), Shunde District, Guangdong, Foshan Patentee after: Guangdong Daying new Mstar Technology Ltd Address before: 528305 Alex Hua Tian Road North, Ronggui hi tech Development Zone, Shunde District, Guangdong, Foshan Patentee before: Guangdong Daying Chemical Co.,Ltd. |
|
| CP03 | Change of name, title or address |