CN205893142U - A heat exchange device for synthesizing high solid part alkyd - Google Patents
A heat exchange device for synthesizing high solid part alkyd Download PDFInfo
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- CN205893142U CN205893142U CN201620895049.2U CN201620895049U CN205893142U CN 205893142 U CN205893142 U CN 205893142U CN 201620895049 U CN201620895049 U CN 201620895049U CN 205893142 U CN205893142 U CN 205893142U
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- water knockout
- rectifying column
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Abstract
The utility model discloses a heat exchange device for synthesizing high solid part alkyd, including reation kettle, water knockout drum, horizontal condensing tower, rectifying column, connecting pipe, the reation kettle outer wall is equipped with the cold and hot matchmaker's coil pipe of a plurality of first annulars, and the reation kettle inner wall is equipped with the cold and hot matchmaker's coil pipe of second annular, and reation kettle's upper end is equipped with temperature monitor, and reation kettle's upper end right side is continuous with connecting pipe and rectifying column, is equipped with the thermometer on the connecting pipe part near the reaction mirror, reation kettle's upper end left side links to each other with pipeline and water knockout drum, but be equipped with a plurality of sight glasss on the water knockout drum, the bottom of water knockout drum is equipped with the discharge outlet, and even there is the blow -down pipe upper end of water knockout drum, connects with the pipe between the horizontal condensing tower one end of water knockout drum and top, the upper and lower parts of horizontal condensing tower do not is equipped with outlet pipe, inlet tube, installs temperature control device on the horizontal condensing tower, uses the pipe connection between the rectifying column top of the horizontal condensing tower other end and below.
Description
[technical field]
This utility model is related to the technical field of heat-exchange device, and particularly one kind is used for synthesizing High-solid alkyd resin
Heat-exchange device technical field.
[background technology]
Ethylene glycol, diethylene glycol, glycerol, tetramethylolmethane, phthalic anhydride, benzoic acid, maleic anhydride are coating alkyd resin
Main synthetic material.Because phthalic anhydride easily distils, ethylene glycol boiling point is in esterification temperature scope, with the rising of temperature of reaction kettle, not instead
The ethylene glycol answered together with esterification water, reflux solvent azeotropic gasification, condensed, together discharge with esterification water, lead in reactor
Resin material proportion is lacked of proper care, and high polymer hydroxy radical content, average functionality change, and cause unstable product quality, notably directly tie
Glue is in kettle；The phthalic anhydride condensing in tube wall that distils does not rinse in solvent refluxing state, line clogging year in year out.And conventional apparatus
In esterification initial stage material, part ethylene glycol monomers will separate row with being directly entered horizontal condensation after the gasification of esterification water azeotropic through water knockout drum
Go out, condense after distillation in the phthalic anhydride in horizontal condensing tube under the flushing of later stage a large amount of reflux solvent, punching falls part with esterification water one
With discharging, high polymer yield is low, composition structure off-design requires, and batch is unstable, and later stage viscosity rises fast or direct gum deposit
In kettle；In the esterification water discharged, the small molecule such as Organic Alcohol, organic acid, low-boiling compound increase, and cod content improves, at water
Reason cost increases；Material in horizontal condensing tube for the long time sedimentation will block return flow line, and impact is normal to be produced.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes one kind and is used for synthesizing high solid alkyd
The heat-exchange device of resin, can make reaction mass constant it is ensured that the composition Stability Analysis of Structures of high polymer, solve phthalic anhydride distillation and draw
Play the problem of horizontal condensing tower interior conduit blocking, reduce the cod content of discharge water, the controllability of device is good.
For achieving the above object, the utility model proposes a kind of heat exchange for synthesizing High-solid alkyd resin fills
Put, including reactor, water knockout drum, horizontal condensing tower, rectifying column, connecting tube, described reactor outer wall is provided with some first annular cold
Heating agent coil pipe, reactor inwall is provided with second annular cold and hot matchmaker's coil pipe, and the upper end of reactor is provided with temperature indicator, reactor
It is connected with rectifying column with connecting tube on the right side of upper end, the connecting tube part upper end near reaction mirror is provided with thermometer, described reactor
Upper end on the left of be connected with water knockout drum with pipeline, described water knockout drum is provided with some visible mirrors, and the bottom of water knockout drum is provided with and discharges water
Mouthful, the upper end of water knockout drum is connected with blow-down pipe, is connected with pipe, described horizontal condensation between water knockout drum and horizontal condensing tower one end of top
The top and the bottom of tower are respectively equipped with outlet pipe, water inlet pipe, and horizontal condensing tower is provided with attemperating unit, the horizontal condensing tower other end and lower section
Rectifying column top between with pipeline connect, described rectifying column from top to bottom successively by upper cover, housing and low head assemble and
Become, housing is made up of board-like layer, mixing layer and straight condensate layer, offer successively from top to bottom on the left of housing cooling water inlet a and
Medium rises falling mouth c, offers coolant outlet b, described low head is provided with medium back flow mouth e, institute on the right side of housing upper end
State upper cover and be provided with medium rising mouth d, be connected with feeding discharge assembled casing on the left of described rectifying column, rectifying column is installed on
Some heat-eliminating medium division boards.
Preferably, described board-like layer is made up of with porous support plate multilamellar complicated-shape porous rustless steel flaggy, described mixing
Layer is provided with some rustless steel Pall rings, and rustless steel Pall ring is piled up on porous support plate.Described straight condensate layer is flat by many
Row in the stainless-steel pipe composition of housing, be fixed on cooling medium division board by stainless-steel pipe two ends.
Preferably, described first annular cold and hot matchmaker's coil pipe and second annular cold and hot matchmaker's coil pipe are situated between with conduction oil for heat transfer
Matter, the wall of described reactor is provided with some display showing temperature of charge in kettle.
Preferably, described horizontal condensing tower is made up of tower casing and seal head, in tower casing, main body is by some parallel rustless steels
Steel pipe forms, and described tower casing and seal head are provided with some pipeline opening, the pipeline opening in tower casing respectively with outlet pipe, water inlet pipe phase
Even, the pipeline opening on described seal head is connected with rectifying column, water knockout drum respectively.
Preferably, the height of described board-like layer is 800mm and is provided with medium rising falling mouth c, the layer of described mixing layer
A height of 1500mm, the height of described straight condensate layer is 1400mm and is provided with cooling water inlet a and coolant outlet b, described visual
Mirror is using the folded thick stainless steel cloth lamellar structure for 100mm.
The beneficial effects of the utility model: this utility model pass through by reactor be provided with first annular cold and hot matchmaker's coil pipe and
Second annular cold and hot matchmaker's coil pipe, kettle wall is provided with some display showing temperature of charge in kettle so that the people can basis
In temperature show value regulation pipe, the flow velocity of heat-conducting medium is thus control temperature of charge in kettle it is ensured that good reaction environment；By horizontal stroke
The two ends of condensing tower are connected with the water knockout drum of lower section and rectifying column respectively, and the reactor of rectifying column and lower section connects, by such
Overlying relation is installed and is connected so that flowing back, so that it is guaranteed that reaction mass is permanent after the convenient liquefaction solidification of the material of distillation evaporation
Fixed；Connecting tube is provided with thermometer, reactor upper end is provided with temperature indicator, and horizontal condensing tower is provided with attemperating unit, point water
Device is provided with visible mirror, facilitates the temperature of reaction rate, environment and real-time grasp instrument and ruuning situation in control device；
Horizontal condensing tower top and the bottom are connected with outlet pipe and water inlet pipe, improve the efficiency of material liquefaction solidification；Rectification tower shell is provided with
, so that distillation process is more thorough, the effect of rectification is more preferable for board-like layer, mixing layer and straight condensate layer；This device can solve phthalic anhydride
Distillation causes the problem of horizontal condensing tower interior conduit blocking, reduces the cod content of discharge water, viscosity stabilization increases, and acid value is progressively
Decline it is ensured that the composition Stability Analysis of Structures of high polymer.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[brief description]
Fig. 1 is a kind of overall schematic of the heat-exchange device for synthesizing High-solid alkyd resin of this utility model；
Fig. 2 is a kind of rectifying column half section of the heat-exchange device for synthesizing High-solid alkyd resin of this utility model
Figure.
In figure: the first annular cold and hot matchmaker's coil pipe of 1- reactor, 2-, the annular cold and hot matchmaker's coil pipe of 3- second, 4- temperature indicator,
5- dewatering outlet, 6- thermometer, 7- pipeline, 8- visible mirror, 9- water knockout drum, 10- blow-down pipe, 11- water inlet pipe, the horizontal condensing tower of 12-,
Under 13- outlet pipe, 14- attemperating unit, 15- upper cover, 16- rectifying column, 17- feeding discharge assembled casing, 18- connecting tube, 19-
The board-like layer of end socket, 161-, the mixing layer of 162-, the straight condensate layer of 163-, a- cooling water inlet, b- coolant outlet, c- medium rise
Fall mouth after rise, d- medium rises mouth, e- medium back flow mouth.
[specific embodiment]
Refering to Fig. 1 and Fig. 2, a kind of heat-exchange device for synthesizing High-solid alkyd resin of this utility model, including
Reactor 1, water knockout drum 9, horizontal condensing tower 12, rectifying column 16, connecting tube 18, described reactor 1 outer wall is provided with some first annular
Cold and hot matchmaker's coil pipe 2, reactor 1 inwall is provided with second annular cold and hot matchmaker's coil pipe 3, and the upper end of reactor 1 is provided with temperature indicator 4,
It is connected with rectifying column 16 with connecting tube 18 on the right side of the upper end of reactor 1, the connecting tube 18 part upper end near reaction mirror 1 is provided with temperature
Degree meter 6, is connected with water knockout drum 9 with pipeline 7 on the left of the upper end of described reactor 1, described water knockout drum 9 is provided with some visible mirrors 8,
The bottom of water knockout drum 9 is provided with dewatering outlet 5, and the upper end of water knockout drum 9 is connected with blow-down pipe 10, the horizontal condensing tower 12 of water knockout drum 9 and top
Connected with pipe between one end, the top and the bottom of described horizontal condensing tower 12 are respectively equipped with outlet pipe 13, water inlet pipe 11, horizontal condensing tower 12
On attemperating unit 14 is installed, between rectifying column 16 top of horizontal condensing tower 12 other end and lower section with pipeline connect, described essence
Evaporate tower 16 to be assembled by upper cover 15, housing and low head 19 successively from top to bottom, housing is by board-like layer 161, mixing layer 162
Form with straight condensate layer 163, offer cooling water inlet a on the left of housing from top to bottom successively and medium rises falling mouth c, housing
Coolant outlet b is offered, described low head 19 is provided with medium back flow mouth e, described upper cover 15 is provided with Jie on the right side of upper end
Matter rises mouth d, is connected with feeding discharge assembled casing 17, rectifying column 16 is installed on some heat-eliminating mediums on the left of described rectifying column 16
Division board, described board-like layer 161 is made up of with porous support plate multilamellar complicated-shape porous rustless steel flaggy, on described mixing layer 162
It is provided with some rustless steel Pall rings, rustless steel Pall ring is piled up on porous support plate.Described straight condensate layer 163 is parallel by many
In the stainless-steel pipe composition of housing, stainless-steel pipe two ends are fixed on cooling medium division board, described first annular cold and hot
, with conduction oil as heat transfer medium, the wall of described reactor 1 is provided with some showing for matchmaker's coil pipe 2 and second annular cold and hot matchmaker's coil pipe 3
Show the display of temperature of charge in kettle, described horizontal condensing tower 12 is made up of tower casing and seal head, and in tower casing, main body is by some parallel
Stainless-steel pipe composition, described tower casing and seal head be provided with some pipeline opening, the pipeline opening in tower casing respectively with outlet pipe
13rd, water inlet pipe 11 is connected, and the pipeline opening on described seal head is connected with rectifying column 16, water knockout drum 9 respectively, described board-like layer 161
Height be 800mm and be provided with medium and rise and fall mouth c after rise, the floor height of described mixing layer 162 is 1500mm, described straight condensate layer
163 height is 1400mm and is provided with cooling water inlet a and coolant outlet b, and described visible mirror 8 is 100mm's using folded thickness
Stainless steel cloth lamellar structure.
Utility model works process:
A kind of heat-exchange device for synthesizing High-solid alkyd resin of this utility model in the course of the work, by fortune
Extract early stage esterification water with melting rectification method, then condensation liquefaction, solidification are back to reaction for the low boilers together gasifying and sublimate
Kettle 1 continues reaction, until after monomer is all esterified into alkyd oligomer, then generate alcohol with the esterification of solvent refluxing esterification process depth
Sour high polymer, can make reaction early stage gasify by controlling reactor 1 outlet temperature and rectifying column outlet temperature in application process
Esterification water one tunnel is waftd in horizontal condensing tower 12 with gaseous state, flows into water knockout drum 9 after cooling liquid, and the low of distillation of together gasifying
The materials such as boiling thing, phthalic anhydride flow to reactor 1 in solidifications of all liquefying after board-like layer 161, mixing layer 162 and straight condensate layer 163
Participate in reaction.
A kind of heat-exchange device for synthesizing High-solid alkyd resin of this utility model, reactor 1 is provided with
One annular cold and hot matchmaker's coil pipe 2 and second annular cold and hot matchmaker's coil pipe 3, kettle wall is provided with some displays showing temperature of charge in kettle
Device so that the people can according to the flow velocity of heat-conducting medium in temperature show value regulation pipe thus control temperature of charge in kettle it is ensured that
Good reaction environment；The two ends of horizontal condensing tower 12 are connected with the water knockout drum 9 of lower section and rectifying column 16 respectively, rectifying column 16 He
The reactor 1 of lower section connects, and installs connection by such overlying relation so that the convenient liquefaction of the material of distillation evaporation solidifies
After flow back, so that it is guaranteed that reaction mass is constant；Connecting tube 18 is provided with thermometer 6, reactor 1 upper end is provided with temperature indicator
4, horizontal condensing tower 12 is provided with attemperating unit 14, and water knockout drum 9 is provided with visible mirror 8, facilitates reaction rate in control device, ring
Border and the real-time temperature grasping instrument and ruuning situation；Horizontal condensing tower 12 top and the bottom are connected with outlet pipe 13 and water inlet pipe 11,
Improve the efficiency of material liquefaction solidification；Rectifying column 16 housing is provided with board-like layer 161, mixing layer 162 and straight condensate layer 163,
Make distillation process more thorough, the effect of rectification is more preferable；This device can solve phthalic anhydride distillation and cause horizontal condensing tower interior conduit to block up
The problem of plug, reduces the cod content of discharge water, and viscosity stabilization increases, progressively the declining it is ensured that the composition structure of high polymer of acid value
Stable.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
Claims (5)
1. a kind of heat-exchange device for synthesizing High-solid alkyd resin it is characterised in that: include reactor (1), point water
Device (9), horizontal condensing tower (12), rectifying column (16), connecting tube (18), described reactor (1) outer wall is provided with some first annular cold
Heating agent coil pipe (2), reactor (1) inwall is provided with second annular cold and hot matchmaker's coil pipe (3), and the upper end of reactor (1) is provided with temperature and shows
Show device (4), be connected with rectifying column (16) with connecting tube (18) on the right side of the upper end of reactor (1), near the connecting tube of reactor (1)
(18) part upper end is provided with thermometer (6), is connected with water knockout drum (9) with pipeline (7) on the left of the upper end of described reactor (1), institute
State water knockout drum (9) and be provided with some visible mirrors (8), the bottom of water knockout drum (9) is provided with dewatering outlet (5), and the upper end of water knockout drum (9) is even
There is blow-down pipe (10), connected with pipe between horizontal condensing tower (12) one end of water knockout drum (9) and top, described horizontal condensing tower (12)
Top and the bottom be connected with outlet pipe (13), water inlet pipe (11) respectively, horizontal condensing tower (12) is provided with attemperating unit (14), horizontal condensation
Between rectifying column (16) top of tower (12) other end and lower section with pipeline connect, described rectifying column (16) from top to bottom successively by
Upper cover (15), housing and low head (19) assemble, and housing is by board-like layer (161), mixing layer (162) and straight condensate layer
(163) form, offer cooling water inlet a on the left of housing from top to bottom successively and medium rises falling mouth c, on the right side of housing upper end
Offer coolant outlet b, described low head (19) is provided with medium back flow mouth e, described upper cover (15) is provided with medium
Rise mouth d, be connected with the left of described rectifying column (16) feeding discharge assembled casing (17), rectifying column (16) if on be installed on dry cooling
Matter division board.
2. as claimed in claim 1 a kind of heat-exchange device for synthesizing High-solid alkyd resin it is characterised in that: institute
State board-like layer (161) to be made up of with porous support plate multilamellar complicated-shape porous rustless steel flaggy, described mixing layer (162) is if be provided with
Dry rustless steel Pall ring, rustless steel Pall ring is piled up on porous support plate, and described straight condensate layer (163) is by many parallel to shell
The stainless-steel pipe composition of body, stainless-steel pipe two ends are fixed on cooling medium division board.
3. as claimed in claim 1 a kind of heat-exchange device for synthesizing High-solid alkyd resin it is characterised in that: institute
State first annular cold and hot matchmaker's coil pipe (2) and second annular cold and hot matchmaker's coil pipe (3) with conduction oil as heat transfer medium, described reactor
(1) wall is provided with some display showing temperature of charge in kettle.
4. as claimed in claim 1 a kind of heat-exchange device for synthesizing High-solid alkyd resin it is characterised in that: institute
State horizontal condensing tower (12) to be made up of tower casing and seal head, in tower casing, main body is made up of some parallel stainless-steel pipes, described tower
Shell and seal head are provided with some pipeline opening, and the pipeline opening in tower casing is connected with outlet pipe (13), water inlet pipe (11) respectively, described
Pipeline opening on seal head is connected with rectifying column (16), water knockout drum (9) respectively.
5. as claimed in claim 1 a kind of heat-exchange device for synthesizing High-solid alkyd resin it is characterised in that: institute
The height stating board-like layer (161) is 800mm and is provided with medium rising falling mouth c, the floor height of described mixing layer (162) is
1500mm, the height of described straight condensate layer (163) is 1400mm and is provided with cooling water inlet a and coolant outlet b, described visual
Mirror (8) is using the folded thick stainless steel cloth lamellar structure for 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620895049.2U CN205893142U (en) | 2016-08-17 | 2016-08-17 | A heat exchange device for synthesizing high solid part alkyd |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620895049.2U CN205893142U (en) | 2016-08-17 | 2016-08-17 | A heat exchange device for synthesizing high solid part alkyd |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556462A (en) * | 2017-09-13 | 2018-01-09 | 广东金宗机械有限公司 | A kind of alkyd resin production system |
| RU2780510C2 (en) * | 2020-04-27 | 2022-09-26 | Общество с ограниченной ответственностью "Ямщик" (ООО "Ямщик") | Installation for alkyd resin synthesis |
| CN115895328A (en) * | 2022-12-05 | 2023-04-04 | 成都彩星化工有限公司 | Production process for developing paint containing flammable solvent |
-
2016
- 2016-08-17 CN CN201620895049.2U patent/CN205893142U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556462A (en) * | 2017-09-13 | 2018-01-09 | 广东金宗机械有限公司 | A kind of alkyd resin production system |
| CN107556462B (en) * | 2017-09-13 | 2020-04-21 | 广东金宗机械有限公司 | Alkyd resin production system |
| RU2780510C2 (en) * | 2020-04-27 | 2022-09-26 | Общество с ограниченной ответственностью "Ямщик" (ООО "Ямщик") | Installation for alkyd resin synthesis |
| CN115895328A (en) * | 2022-12-05 | 2023-04-04 | 成都彩星化工有限公司 | Production process for developing paint containing flammable solvent |
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| CB03 | Change of inventor or designer information |
Inventor after: Jiang Kai Inventor after: Chen Jiaoying Inventor before: Hu Zhicheng Inventor before: Ni Guangjian Inventor before: Chen Jiaoying Inventor before: Hong Jianrong Inventor before: He Liming Inventor before: Ye Jianjun |