CN206291761U - A kind of constant temperature machine water shutoff circulatory system in trimethylolpropane production - Google Patents
A kind of constant temperature machine water shutoff circulatory system in trimethylolpropane production Download PDFInfo
- Publication number
- CN206291761U CN206291761U CN201621399876.9U CN201621399876U CN206291761U CN 206291761 U CN206291761 U CN 206291761U CN 201621399876 U CN201621399876 U CN 201621399876U CN 206291761 U CN206291761 U CN 206291761U
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- China
- Prior art keywords
- water shutoff
- outlet
- machine water
- cooling water
- water inlet
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Abstract
The utility model discloses the constant temperature machine water shutoff circulatory system in a kind of production of trimethylolpropane, including sealed cistern, plate type heat exchanger and vacuum pump set, sealed cistern crown center is provided with water inlet pipe, bottom is provided with outlet pipe, the side of plate type heat exchanger is provided with machine water shutoff import and machine water shutoff outlet, opposite side is provided with cooling water inlet and coolant outlet, outlet pipe is connected through circulating pump with the machine water shutoff import of plate type heat exchanger, machine water shutoff outlet is connected through pipeline and vacuum pump set with water inlet pipe, cooling water inlet is connected with cooling water inlet pipe, coolant outlet is connected with cooling water outlet pipe, cooling water outlet pipe is provided with regulating valve, vacuum pump set is provided with thermometer with the connecting line of machine water shutoff outlet, the transmission signal of thermometer links with the control system of regulating valve.The utility model can well protect running device, improve production efficiency, reduce maintenance cost.
Description
Technical field
The utility model is related to a kind of chemical industry equipment, is specifically related to the constant temperature machine envelope in a kind of trimethylolpropane production
Water circulation system.
Background technology
Trimethylolpropane (TMP) is a kind of widely used fine chemical product, and its fusing point is low, there is 3 in molecular structure
Individual methylol, has good stability for hydrolysis, pyrolysis and oxidation, can improve chemistry and mechanicalness in multiple application fields
Energy.In China, TMP is mainly used as the high-grade paint of production automobile, and its another important consumer field is used as plasticizer.
The good market prospect of trimethylolpropane, domestic demand amount is big, as the progress and people of science and technology are to product
The requirement more and more higher of quality, TMP related production field is also study hotspot.
Industrially by hutanal and formaldehyde preparation TMP, the first step, condensation reaction is obtained middle under base catalyst effect
Body dihydroxymethyl butyraldehyde；Second step, the intermediate further reacts generation TMP with formaldehyde and alkali by Cannizzaro.
In the industrial production of trimethylolpropane, substantial amounts of transhipment and storage device can be used, and these are transported and deposit
Storage equipment needs continuous cooling treatment due to Contact Temperature feed liquid higher, and such as temperature control is improper, it is easy to cause equipment
It is impaired, or even the maintenance that stops production, influence the production efficiency of enterprise.
Utility model content
The technical problem that the utility model is solved is to provide the constant temperature machine water shutoff in a kind of trimethylolpropane production
The circulatory system, to solve the shortcoming in above-mentioned background technology.
The technical problem that the utility model is solved is realized using following technical scheme：
A kind of constant temperature machine water shutoff circulatory system in trimethylolpropane production, including sealed cistern, plate type heat exchanger and
Vacuum pump set,
The sealed cistern crown center is provided with water inlet pipe, and bottom is provided with outlet pipe,
The side of the plate type heat exchanger be provided with machine water shutoff import and machine water shutoff outlet, opposite side be provided with cooling water inlet and
Coolant outlet,
Outlet pipe is connected through circulating pump with the machine water shutoff import of plate type heat exchanger, and machine water shutoff is exported through pipeline and vacuum pump set
It is connected with water inlet pipe,
The cooling water inlet is connected with cooling water inlet pipe, and coolant outlet is connected with cooling water outlet pipe, cooling water
Outlet is provided with regulating valve,
The vacuum pump set is provided with thermometer, transmission signal and the regulation of thermometer with the connecting line of machine water shutoff outlet
The control system linkage of valve.
Further, the top side of the sealed cistern is additionally provided with filling pipe.
Further, the side of the sealed cistern is additionally provided with level indicator, the difference of measurement end up and down of level indicator
Connected up and down with inside sealed cistern.
Compared with prior art, reasonable in design feeds back to the control system of regulating valve by thermometer to the utility model
System, adjusts the size of cooling water inflow, and cooling water carries out heat exchange cooling to control to adjust machine envelope by the cold baffling of plate and machine water shutoff
The temperature of water, then substantial amounts of coercibility steam is extracted by vacuum pump set, sealed cistern is back to after heat exchange, so as to be supplied to each fortune
Turn equipment cooling, can well protect running device, improve production efficiency, reduce maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Embodiment 1, the constant temperature machine water shutoff circulatory system in being produced referring to a kind of trimethylolpropane of Fig. 1, including sealing
Tank 1, plate type heat exchanger 4 and vacuum pump set 8,
The crown center of the sealed cistern 1 is provided with water inlet pipe 11, and bottom is provided with outlet pipe 2,
The side of the plate type heat exchanger 4 is provided with machine water shutoff import 4-1 and machine water shutoff outlet 4-2, and opposite side is provided with cooling
Water inlet 4-3 and coolant outlet 4-4,
Outlet pipe 2 is connected through circulating pump 3 with the machine water shutoff import 4-1 of plate type heat exchanger 4, and machine water shutoff exports 4-2 through pipeline
And vacuum pump set 8 is connected with water inlet pipe 11,
The cooling water inlet is connected with cooling water inlet pipe 5, and coolant outlet 4-4 is connected with cooling water outlet pipe, cold
But water outlet pipe is provided with regulating valve 10,
The vacuum pump set 8 is provided with thermometer 9, the transmission signal of thermometer 9 with the connecting line of machine water shutoff outlet 4-2
Control system with regulating valve 10 links.
The top side of the sealed cistern 1 is additionally provided with filling pipe 6.
In order to be able to observe the liquid level of sealed cistern well, the side of the sealed cistern 1 is additionally provided with level indicator 7,
The measurement end up and down of level indicator 7 is connected up and down with inside sealed cistern 1 respectively.
Compared with prior art, reasonable in design feeds back to the control system of regulating valve by thermometer 9 to the utility model
System, adjusts the size of cooling water inflow, and cooling water carries out heat exchange cooling to control to adjust machine envelope by the cold baffling of plate and machine water shutoff
The temperature of water, then substantial amounts of coercibility steam is extracted by vacuum pump set, sealed cistern is back to after heat exchange, so as to be supplied to each fortune
Turn equipment cooling, can well protect running device, improve production efficiency, reduce maintenance cost.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (3)
1. the constant temperature machine water shutoff circulatory system in a kind of production of trimethylolpropane, including sealed cistern, plate type heat exchanger and true
Empty unit, it is characterised in that
The sealed cistern crown center is provided with water inlet pipe, and bottom is provided with outlet pipe,
The side of the plate type heat exchanger is provided with machine water shutoff import and machine water shutoff outlet, and opposite side is provided with cooling water inlet and cooling
Water out,
Outlet pipe is connected through circulating pump with the machine water shutoff import of plate type heat exchanger, machine water shutoff outlet through pipeline and vacuum pump set with enter
Water pipe is connected,
The cooling water inlet is connected with cooling water inlet pipe, and coolant outlet is connected with cooling water outlet pipe, coolant outlet
Pipe is provided with regulating valve,
The vacuum pump set is provided with thermometer, transmission signal and the regulating valve of thermometer with the connecting line of machine water shutoff outlet
Control system links.
2. the constant temperature machine water shutoff circulatory system during a kind of trimethylolpropane according to claim 1 is produced, its feature exists
In the top side of the sealed cistern is additionally provided with filling pipe.
3. the constant temperature machine water shutoff circulatory system during a kind of trimethylolpropane according to claim 1 is produced, its feature exists
Be additionally provided with level indicator in the side of, the sealed cistern, the measurement end up and down of level indicator respectively with sealed cistern in
Portion connects up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399876.9U CN206291761U (en) | 2016-12-20 | 2016-12-20 | A kind of constant temperature machine water shutoff circulatory system in trimethylolpropane production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399876.9U CN206291761U (en) | 2016-12-20 | 2016-12-20 | A kind of constant temperature machine water shutoff circulatory system in trimethylolpropane production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206291761U true CN206291761U (en) | 2017-06-30 |
Family
ID=59104428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621399876.9U Expired - Fee Related CN206291761U (en) | 2016-12-20 | 2016-12-20 | A kind of constant temperature machine water shutoff circulatory system in trimethylolpropane production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206291761U (en) |
-
2016
- 2016-12-20 CN CN201621399876.9U patent/CN206291761U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20191220 |