CN208213137U - The return-flow system of resin reaction kettle reflux solvent - Google Patents
The return-flow system of resin reaction kettle reflux solvent Download PDFInfo
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- CN208213137U CN208213137U CN201820244388.3U CN201820244388U CN208213137U CN 208213137 U CN208213137 U CN 208213137U CN 201820244388 U CN201820244388 U CN 201820244388U CN 208213137 U CN208213137 U CN 208213137U
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- reaction kettle
- solvent
- resin reaction
- stack shell
- connecting tube
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Abstract
A kind of return-flow system of resin reaction kettle reflux solvent, the top of the resin reaction kettle is respectively arranged with the feed opening and solvent outlet of material charging, the solvent outlet removes the lower part of water preheater by connecting tube connection one, one condenser is connected by connecting tube from the upper portion side wall except water preheater, and an esterification bypass channel is connected with connecting tube behind the condenser, after being drawn by the esterification bypass channel with connecting tube, the top except water preheater is connected to through a reflux pump, solvent is sprayed down from the top except water preheater, by except at least second level filler set in water preheater, it is drawn from bottom, resin reaction kettle top is connected to connecting tube and reflux solvent is sent into resin reaction kettle；The features such as it has system composition rationally, easy to install and use, and the purity of solvent can be made to improve, moisture contained in solvent is reduced, reduce COD content in waste water, improve reaction kettle reaction mass and effect.
Description
Technical field
The utility model relates to a kind of return-flow systems of resin reaction kettle reflux solvent, belong to resin reaction technology neck
Domain.
Background technique
In the prior art, after being reacted in resin reaction kettle, solvent and partial moisture are directly over condenser and Fen Shui
Slot flows back into reaction kettle；This reflux course, some moisture being only reduction of in solvent, but it is contained in practical solvent
Moisture or very much, COD content there is no reduction especially in waste water, and the purity of solvent is not greatly improved.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of system composition rationally, make
With easy for installation, the purity of solvent can be made to improve, reduce moisture contained in solvent, reduce COD content in waste water, improve reaction
The return-flow system of kettle reaction mass and the resin reaction kettle reflux solvent of effect.
The purpose of this utility model is completed by following technical solution, and a kind of resin reaction kettle reflux solvent returns
Streaming system, the top of the resin reaction kettle are respectively arranged with the feed opening and solvent outlet of material charging, and described is molten
Agent outlet removes the lower part of water preheater by connecting tube connection one, passes through connecting tube from the upper portion side wall except water preheater
A condenser is connected, and is connected with an esterification bypass channel with connecting tube behind the condenser, is connected by the esterification bypass channel
After pipe is drawn, it is connected to the top except water preheater through a reflux pump, solvent is sprayed down from the top except water preheater, is passed through
It crosses except at least second level filler set in water preheater, is drawn from bottom, resin reaction kettle top is connected to connecting tube and will be returned
It flows solvent and is sent into resin reaction kettle.
As preferred: the condenser is tubular water condenser ', and the water preheater that removes includes a tubular
Body offers the gas feed for being connected on resin reaction kettle solvent outlet, body upper portion side wall on the body lower sides
On offer connection condenser one end gas vent；And the feed liquor of connection reflux pump is offered at the top of the body
Mouthful, the bottom of body offers the refluxing opening on connection resin reaction kettle top.
As preferred: the body is mainly connected by upper stack shell and lower stack shell by intermediate ring flange, and
Water removal filter packing is filled in upper stack shell and lower stack shell respectively and constitutes second level packing layer；Pair of the upper stack shell and lower stack shell
Claim to be respectively arranged with upper and lower two flange manholes connect with pipe on side wall and be provided in the upper portion side wall of upper stack shell symmetrical
Ear mount.
As preferred: the upper end of the upper stack shell, the lower end of lower stack shell pass through ring flange respectively and are connected to upper end seal
Head and lower end head, and offered on the side wall of the upper end head and connect the gas vent of condenser one end and pushing up
Portion is provided with the inlet of connection reflux pump；It is offered on the side wall of the lower end head and is connected on the extraction of resin reaction kettle solvent
The gas feed and bottom of mouth offer the refluxing opening on connection resin reaction kettle top.
The utility model belongs to the improvement to the prior art, it has system composition rationally, easy to install and use, can make molten
The purity of agent improves, and reduces moisture contained in solvent, reduces COD content in waste water, improves reaction kettle reaction mass and effect
The features such as.
Detailed description of the invention
Fig. 1 is the flow diagram of system described in the utility model.
Fig. 2 is the structural schematic diagram described in the utility model except water preheater.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing: shown in Fig. 1, a kind of tree described in the utility model
The top of the return-flow system of rouge reaction kettle reflux solvent, the resin reaction kettle 1 is respectively arranged with the feed opening 2 of material charging
With solvent outlet 3, the solvent outlet 3 removes the lower part of water preheater 5 by the connection of connecting tube 4 one, pre- from the water removal
A condenser 6 is connected by connecting tube 4 in the upper portion side wall of hot device 5, and is connected with one with connecting tube 4 behind the condenser 6
It is esterified bypass channel 7, after being drawn by the esterification bypass channel 7 with connecting tube 4, the top except water preheater 5 is connected to through a reflux pump 8
Portion sprays solvent from the top except water preheater 5, down by removing at least second level filler set in water preheater 5, from bottom
It draws, 1 top of resin reaction kettle is connected to connecting tube 4 and reflux solvent is sent into resin reaction kettle 1.
Condenser 6 described in the utility model is tubular water condenser '
As shown in connection with fig. 2, described in the utility model except water preheater 5 includes the body 9 of a tubular, 9 lower part of body
The gas feed 10 for being connected on resin reaction kettle solvent outlet 3 is offered on side wall, offers connection in 9 upper portion side wall of body
The gas vent 11 of 6 one end of condenser；And the inlet 12 of connection reflux pump 8, body are offered at the top of the body 9
9 bottom offers the refluxing opening 13 on connection 1 top of resin reaction kettle.
As shown in the figure, the body 9 is mainly connected by upper stack shell 14 and lower stack shell 15 by intermediate ring flange 16
At, and be filled with water removal filter packing 17 respectively in upper stack shell 14 and lower stack shell 15 and constitute second level packing layer；The upper cylinder
The flange manhole 18 that upper and lower two are connect with pipe is respectively arranged on the symmetrical side of body 14 and lower stack shell 15 and in upper stack shell 14
Symmetrical ear mount 19 is provided in upper portion side wall.
The upper end of upper stack shell 14 described in the utility model, the lower end of lower stack shell 15 pass through ring flange 20 respectively and are connected to
Upper end head 21 and lower end head 22, and the gas for connecting 6 one end of condenser is offered on the side wall of the upper end head 21
Body exports 11 and top is provided with the inlet 12 of connection reflux pump 8；Phase is offered on the side wall of the lower end head 22
The gas feed 10 and bottom for being connected to resin reaction kettle solvent outlet 3 offer returning for connection 1 top of resin reaction kettle
Head piece 13.
The utility model is the improvement carried out in prior art basis, preheating link is increased, after reaction kettle reaction
Solvent and part moisture content are passing through condenser, bypass channel, are being connected to preheater by reflux pump, and by preheater by preheater
The liquid distributor 23 inside set sprays down, by the second level filler of preheater, flows back into reaction kettle.
Preheater used by the utility model has following effect: first is that playing rectifying action；Second is that molten to what is passed through
Pre- heat effect is played in agent, reduces moisture content in the solvent for flow back into reaction kettle；Third is that making back after the second level filler for passing through preheater
The solvent purity flowed in reaction kettle is higher；Fourth is that the COD content in waste water substantially reduces；Fifth is that by after preheater, it can handle
Unreacted phthalic anhydride, pentaerythrite etc. lead out.
Claims (4)
1. a kind of return-flow system of resin reaction kettle reflux solvent, the top of the resin reaction kettle is respectively arranged with material charging
Feed opening and solvent outlet, it is characterised in that the solvent outlet is by connecting tube connection one except water preheater
Lower part connects a condenser by connecting tube from the upper portion side wall except water preheater, and with connection behind the condenser
Pipe is connected with an esterification bypass channel, after being drawn by the esterification bypass channel with connecting tube, is connected to through a reflux pump except water preheater
Top, solvent is sprayed down from except the top of water preheater, by except at least second level filler set in water preheater, the bottom of from
It draws, be connected to resin reaction kettle top with connecting tube and reflux solvent is sent into resin reaction kettle in portion.
2. the return-flow system of resin reaction kettle reflux solvent according to claim 1, it is characterised in that the condenser
For tubular water condenser ', described removes the body that water preheater includes a tubular, offers phase on the body lower sides
It is connected to the gas feed of resin reaction kettle solvent outlet, the gas of connection condenser one end is offered in body upper portion side wall
Outlet；And the inlet of connection reflux pump is offered at the top of the body, the bottom of body offers connection resin reaction
The refluxing opening on kettle top.
3. the return-flow system of resin reaction kettle reflux solvent according to claim 2, it is characterised in that the body master
To be connected by upper stack shell and lower stack shell by intermediate ring flange, and be filled with water removal respectively in upper stack shell and lower stack shell
Filter packing simultaneously constitutes second level packing layer；Upper and lower two are respectively arranged on the symmetrical side of the upper stack shell and lower stack shell with pipe
The flange manhole that connects simultaneously is provided with symmetrical ear mount in the upper portion side wall of upper stack shell.
4. the return-flow system of resin reaction kettle reflux solvent according to claim 2 or 3, it is characterised in that the upper stack shell
Upper end, lower stack shell lower end pass through ring flange respectively and be connected to upper end head and lower end head, and in the upper end seal
The gas vent of connection condenser one end is offered on the side wall of head and top is provided with the inlet of connection reflux pump；
The gas feed for being connected on resin reaction kettle solvent outlet is offered on the side wall of the lower end head and bottom offers
It is connected to the refluxing opening on resin reaction kettle top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244388.3U CN208213137U (en) | 2018-02-11 | 2018-02-11 | The return-flow system of resin reaction kettle reflux solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244388.3U CN208213137U (en) | 2018-02-11 | 2018-02-11 | The return-flow system of resin reaction kettle reflux solvent |
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| Publication Number | Publication Date |
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| CN208213137U true CN208213137U (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820244388.3U Active CN208213137U (en) | 2018-02-11 | 2018-02-11 | The return-flow system of resin reaction kettle reflux solvent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380147A (en) * | 2018-02-11 | 2018-08-10 | 浙江大桥油漆有限公司 | A kind of return-flow system of resin reaction kettle reflux solvent |
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2018
- 2018-02-11 CN CN201820244388.3U patent/CN208213137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380147A (en) * | 2018-02-11 | 2018-08-10 | 浙江大桥油漆有限公司 | A kind of return-flow system of resin reaction kettle reflux solvent |
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