CN207012959U - Phenolic resin processing unit (plant) - Google Patents
Phenolic resin processing unit (plant) Download PDFInfo
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- CN207012959U CN207012959U CN201720708238.9U CN201720708238U CN207012959U CN 207012959 U CN207012959 U CN 207012959U CN 201720708238 U CN201720708238 U CN 201720708238U CN 207012959 U CN207012959 U CN 207012959U
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Abstract
It the utility model is related to phenolic resin processing unit (plant), including reactor, raw material preprocessing device, cooling water circulating device, heater, agitating device, circulating cooling tower and automatic control system, preheating device and pre-mixing apparatus are provided with the raw material preprocessing device.Compared with prior art, the beneficial effects of the utility model are：1) by the way that formalin is preheated, the dissolution velocity of powder raw material is improved, the temperature of reactant in kettle is rapidly achieved reaction temperature, so as to shorten the reaction time, compared with not preheating scheme, production efficiency improves 15%.2) by first being premixed powdery phenol and formalin, powdery phenol is able to quickly be well mixed with Liquid for maldehyde, so as to ensure that the uniformity of the physical and chemical performance of reactant everywhere in kettle, the quality stability of product is improved, product qualification rate has brought up to 100% by original 90%.
Description
Technical field
Chemical reaction kettle field is the utility model is related to, more particularly to a kind of phenolic resin processing unit (plant).
Background technology
1872 Germanization scholar Baeyer (A.Baeyer) synthesized phenolic resin, Belgian descendants American in 1907 first
Bake is blue to propose that phenolic resin is heating and curing method, makes phenolic resin realize industrialized production, Berlin, Germany builds up the world within 1910
The factory of first hand novolak resin, the epoch of mankind's synthetic macromolecular compound is started.
Phenolic resin refers to the total of phenol and the aldehyde resinous polymers that polycondensation forms in the presence of an acidic or basic catalyst
Claim.It is commonly referred to as the resin obtained from phenol or its homologue (such as cresols, xylenol) with formaldehyde condensation.By raw materials used
Species and proportioning and the difference of catalyst type, thermoplasticity and the resinoid of thermosetting two can be divided into.Thermoplastic phenolic resin,
It is linear resin, is only melted when heated, and insoluble state can not be changed into, but can if adding after curing agent (such as hexamethylenetetramine)
It is changed into thermosetting.It is using two functions or tri-functional phenols as raw material, and the mole dosage with phenol is more than rubbing for aldehyde in an acidic solution
Generated during your dosage.Thermosetting phenolic resin is height network polymers, is not molten state by temperature time variance.Due to using phenol,
The species of aldehyde, catalyst classification, the difference of the mol ratio of phenol and aldehyde can produce diversified phenolic resin, can meet various
Demand, phenolic resin are widely used in the life and production of the mankind.
Because the reaction of phenolic resin is carried out after the phenol of powdery is mixed with the formaldehyde of liquid, therefore, the two is improved
Mixing velocity and uniformity, it is undoubtedly significant to the quality stability of production efficiency and product, yet there are no
Relevant report.
The content of the invention
The purpose of this utility model is to provide a kind of phenolic resin processing unit (plant), and phenol is first preheated with formalin
And premix, the reaction time in kettle is reduced, while be advantageous to powdery phenol and mixed with the uniform of Liquid for maldehyde, ensure reactant in kettle
Physical and chemical performance everywhere it is consistent, improve the quality of product.
To achieve these goals, the technical solution of the utility model is such：
Phenolic resin processing unit (plant), including reactor, raw material preprocessing device, cooling water circulating device, heater, stir
Device, circulating cooling tower and automatic control system are mixed, preheating device and pre-mixing apparatus, institute are provided with the raw material preprocessing device
State reactor and connect raw material preprocessing device, heater, vacuum extractor, cooling water circulating device, inert gas hair respectively
Raw device, agitating device, circulating cooling tower and automatic control system.
The preheating device is duct type electromagnetic heater, and the duct type electromagnetic heater is located at pretreatment of raw material
On the feed pipe of device, power is 15KW~30KW.
The pre-mixing apparatus includes screw conveyer, shower nozzle and uniform chute, and the shower nozzle is located at the end of feed pipe
Portion, the shower nozzle are opened on the entrance side of uniform chute, and the discharging opening of the screw conveyer is located at the entrance of uniform chute
Above side, the outlet of the uniform chute connects the charging aperture of the reactor.
The uniform chute is enclosed construction, including outer cover and frid, along the arrival end of the frid between the port of export
Multilayer homogenizing plate is distributed with, the position of adjacent layer homogenizing plate is in herringbone interlaced arrangement.
The homogenizing plate is parallel to each other uniform in certain layer be arranged as, and the spacing h of adjacent homogenizing plate is 10~25mm.
The duct type electromagnetic heater is arranged on the feed pipe of vertical ascent section.
The shower nozzle is one kind in flat mouth, round mouth, long round mouth, rectangular opening or fan nozzle.
The reactor connects vacuum extractor.
The reactor connects inert gas generator.
The raw material preprocessing device connects phenol holding vessel, catalyst storage tank and formaldehyde holding vessel respectively.
Compared with prior art, the beneficial effects of the utility model are：
1) by the way that formalin is preheated, the dissolution velocity of powder raw material is improved, makes the temperature of reactant in kettle fast
Speed reaches reaction temperature, and so as to shorten the reaction time, compared with not preheating scheme, production efficiency improves 15%.
2) by first being premixed powdery phenol and formalin, powdery phenol is able to quickly mix with Liquid for maldehyde
It is even, so as to ensure that the uniformity of the physical and chemical performance of reactant everywhere in kettle, the quality stability of product is improved, product is qualified
Rate has brought up to 100% by original 90%.
Brief description of the drawings
Fig. 1 is the utility model embodiment structural schematic block diagram；
Fig. 2 is the uniform chute example structure schematic diagram of the utility model.
In figure：1-phenol screw conveyer, 2-catalyst screw conveyer, 3-shower nozzle, 4-uniform chute,
5-feed pipe, 6-outer cover, 7-frid, 8-homogenizing plate, 9-duct type electromagnetic heater.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
See Fig. 1, be the utility model phenolic resin processing unit (plant) example structure schematic block diagram, reactor connects original respectively
Expect pretreatment unit, heater, vacuum extractor, cooling water circulating device, inert gas generator, agitating device, circulation
Cooling tower and automatic control system, preheating device and pre-mixing apparatus are provided with raw material preprocessing device, realizes the preheating to raw material
And premixing effect.Wherein raw material preprocessing device connects phenol holding vessel, catalyst storage tank and formaldehyde holding vessel respectively, catalysis
Agent can be sodium hydroxide, ammonium hydroxide or urea etc. according to production requirement.Heater connects temperature controller, realizes to reactor
The control of interior temperature.Circulating cooling tower connects finished product glue collecting vessel and sample detection apparatus respectively, meets the quality testing of product
Required with collecting.
Vacuum means are set to vavuum pump, in condensation reaction, make to keep negative pressure state in reactor, avoid reactant
It is middle because being mixed into excessive air, make to retain bubble in product, influence product quality.Inert gas generator can produce nitrogen, anti-
After should terminating, vavuum pump is closed, nitrogen is filled with into reactor, will cooled down in sticky phenolic resin press-in circulating cooling tower,
Form finished product glue.
See Fig. 2, in embodiment, preheating device is duct type electromagnetic heater, and duct type electromagnetic heater 9 is located at original
On the feed pipe 5 for expecting the vertical ascent section of pretreatment unit, power 30KW.When producing phenolic resin, raw material (phenol,
Sodium hydroxide, formaldehyde) first preheated device be warming up to 40~42 DEG C, into reactor in after, stir 5~10 minutes, reactor
Inside continue to be heated to 80~85 DEG C, after being incubated 40 minutes, be heated to seethe with excitement, be incubated 5~10 minutes, then lead to cooling water temperature to 85
~90 DEG C, until reacting to the qualified extrusion of viscosity, 30 DEG C of dischargings are cooled to by circulating cooling tower.
The shower nozzle 3 of fan nozzle is located at the end of feed pipe 5, and shower nozzle is opened on the entrance side of uniform chute 4, phenol spiral shell
The discharging opening of rotating conveyer 1 and catalyst screw conveyer 2 is respectively positioned on above the entrance side of uniform chute, uniform chute
Export the charging aperture of coupled reaction kettle.
Uniform chute 4 is enclosed construction, including outer cover 6 and frid 7, is distributed along the arrival end of frid 7 between the port of export
There is multilayer homogenizing plate 8, the position of adjacent layer homogenizing plate is in herringbone interlaced arrangement.
Homogenizing plate 8 is parallel to each other uniform in certain layer be arranged as, and the spacing h of adjacent homogenizing plate is 25mm.
In embodiment, in order to realize more preferable mixed effect, flat mouth, round mouth, long round mouth or rectangular opening also can be selected in shower nozzle 3
Any of form.
Above example is only the tool to describe the purpose of this utility model in detail, technical scheme and beneficial effect are chosen
Body example, but should in no way limit the scope of protection of the utility model, it is all without prejudice to before the spirit and principles of the utility model
Put, various modifications, equivalent substitution and the improvement made, all should fall within the scope of protection of the utility model.
Claims (10)
1. phenolic resin processing unit (plant), it is characterised in that including reactor, raw material preprocessing device, cooling water circulating device, plus
Thermal, agitating device, circulating cooling tower and automatic control system, preheating device and pre- is provided with the raw material preprocessing device
Mixing device, the reactor connect raw material preprocessing device, heater, vacuum extractor, cooling water circulating device, lazy respectively
Property gas generator, agitating device, circulating cooling tower and automatic control system.
2. phenolic resin processing unit (plant) according to claim 1, it is characterised in that the preheating device is duct type electromagnetism
Heater, the duct type electromagnetic heater are located on the feed pipe of raw material preprocessing device, power be 15KW~
30KW。
3. phenolic resin processing unit (plant) according to claim 1, it is characterised in that the pre-mixing apparatus includes spiral defeated
Machine, shower nozzle and uniform chute are sent, the shower nozzle is located at the end of feed pipe, and the shower nozzle is opened on the entrance of uniform chute
Side, the discharging opening of the screw conveyer are located above the entrance side of uniform chute, the outlet connection institute of the uniform chute
State the charging aperture of reactor.
4. phenolic resin processing unit (plant) according to claim 3, it is characterised in that the uniform chute is enclosed construction, bag
Outer cover and frid are included, along the arrival end of the frid to multilayer homogenizing plate, the position of adjacent layer homogenizing plate are distributed between the port of export
It is in herringbone interlaced arrangement to put.
5. phenolic resin processing unit (plant) according to claim 4, it is characterised in that the homogenizing plate is arranged as that at certain layer
This is parallel uniform, and the spacing h of adjacent homogenizing plate is 10~25mm.
6. phenolic resin processing unit (plant) according to claim 2, it is characterised in that the duct type electromagnetic heater installation
On the feed pipe of vertical ascent section.
7. phenolic resin processing unit (plant) according to claim 3, it is characterised in that the shower nozzle is flat mouth, round mouth, oval
One kind in mouth, rectangular opening or fan nozzle.
8. phenolic resin processing unit (plant) according to claim 1, it is characterised in that the reactor connects vacuum extractor.
9. phenolic resin processing unit (plant) according to claim 1, it is characterised in that the reactor connects inert gas
Device.
10. phenolic resin processing unit (plant) according to claim 1, it is characterised in that the raw material preprocessing device connects respectively
Connect phenol holding vessel, catalyst storage tank and formaldehyde holding vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708238.9U CN207012959U (en) | 2017-06-16 | 2017-06-16 | Phenolic resin processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708238.9U CN207012959U (en) | 2017-06-16 | 2017-06-16 | Phenolic resin processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207012959U true CN207012959U (en) | 2018-02-16 |
Family
ID=61485540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720708238.9U Active CN207012959U (en) | 2017-06-16 | 2017-06-16 | Phenolic resin processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207012959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571190A (en) * | 2023-07-14 | 2023-08-11 | 昆明理工大学 | Reaction kettle control system and method for lignin modified phenolic resin |
-
2017
- 2017-06-16 CN CN201720708238.9U patent/CN207012959U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571190A (en) * | 2023-07-14 | 2023-08-11 | 昆明理工大学 | Reaction kettle control system and method for lignin modified phenolic resin |
| CN116571190B (en) * | 2023-07-14 | 2023-09-12 | 昆明理工大学 | Reaction kettle control system and method for lignin modified phenolic resin |
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