CN207143165U - A kind of dispensing reaction unit of styrene-butadiene latex - Google Patents
A kind of dispensing reaction unit of styrene-butadiene latex Download PDFInfo
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- CN207143165U CN207143165U CN201721114164.2U CN201721114164U CN207143165U CN 207143165 U CN207143165 U CN 207143165U CN 201721114164 U CN201721114164 U CN 201721114164U CN 207143165 U CN207143165 U CN 207143165U
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- kettle
- oil phase
- batching kettle
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- normal pressure
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Abstract
The utility model discloses a kind of dispensing reaction unit of styrene-butadiene latex, including oil phase batching kettle, aqueous phase batching kettle and reactor, also include initiator kettle and normal pressure batching kettle, oil phase batching kettle, aqueous phase batching kettle, initiator kettle are connected with reactor pipeline respectively, and oil phase batching kettle is autoclave and the oil phase batching kettle upper pipeline is connected with butadiene kettle；Normal pressure batching kettle is connected with oil phase batching kettle pipeline, and transfer tube is provided between normal pressure batching kettle and oil phase batching kettle；It is connected with oil phase raw material kettle on normal pressure batching kettle, the discharging opening in oil phase raw material kettle is higher than the charging aperture on normal pressure batching kettle.The problem of existing normal pressure raw material is not easy to be added in oil phase batching kettle is which solved, there is the convenient effect that normal pressure material is added into high pressure batching kettle.
Description
Technical field
It the utility model is related to latex preparing technical field, the dispensing reaction unit of more particularly to a kind of styrene-butadiene latex.
Background technology
Latex is the general name that polymer particles are dispersed in water the colloid emulsion to be formed.Generally the moisture of rubber particle is dissipated
System is referred to as latex；The aqueous dispersion of resin particle is referred to as emulsion.Face coat, manufacture film and adhesive can directly be made
Deng being widely applied in daily life.Wherein, styrene-butadiene latex is the stable breast formed with butadiene and styrene through low temperature polymerization
Liquid, had a wide range of applications in the industries such as papermaking, leather, pitch.
Latex reaction unit generally includes reactor and batching kettle, and batching kettle is typically matched somebody with somebody including aqueous phase batching kettle and oil phase again
Expect kettle, aqueous phase material and oil phase material are pre-mixed uniformly in aqueous phase batching kettle and in oil phase batching kettle respectively, then is passed through
Reacted into reactor.
The Chinese patent that Authorization Notice No. is CN203021488U, authorized announcement date is on 06 26th, 2013 discloses one
The preparation system of kind carboxylic styrene butadiene latex, it includes reacting subsystem and the subsystem that deaerates, reaction subsystem include reactor, instead
Kettle is answered to be connected with aqueous phase batching kettle and oil phase batching kettle, and reactor is connected with demineralized water tank measuring tank and oil phase house steward；Reactor
Material outlet is connected with another large-volume reaction kettle；The subsystem that deaerates includes degassing kettle, defoamer tank and gas-liquid separator, degassing
The material inlet of kettle is connected with reactor material outlet, and degassing kettle is connected with defoamer tank, and reactor is connected with gas-liquid separator,
Degassing kettle is connected with vacuum tube.
It is in place of the deficiencies in the prior art, in the preparation process of styrene-butadiene latex, raw material butadiene is gas at ambient pressure
State, so needing the pressurized storage in autoclave, it is also required to carry out in autoclave naturally in dispensing, and styrene, mercaptan
Only need to be stored in atmospheric kettle Deng oil phase raw material, normal pressure raw material especially micro material such as mercaptan is added into oil phase matches somebody with somebody
When expecting in kettle, it is common practice to feed pot is set at the top of reactor, material is added in feed pot and uses compressed air
It is pressed onto in oil phase batching kettle, also needs to deflate to oil phase batching kettle after charging to keep the pressure in oil phase batching kettle to put down
Weighing apparatus, and styrene is the big raw material of dosage, is typically directly pumped into oil phase batching kettle with pump, which adds the difficulty of operation and
Complexity.
Utility model content
The purpose of this utility model is to provide a kind of dispensing reaction unit of styrene-butadiene latex, which solves existing normal pressure raw material
The problem of being not easy to be added in oil phase batching kettle, there is the convenient effect that normal pressure material is added into high pressure batching kettle.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of dispensing reaction unit of styrene-butadiene latex, including oil phase batching kettle, aqueous phase batching kettle and reactor, in addition to draw
Hair agent kettle and normal pressure batching kettle, oil phase batching kettle, aqueous phase batching kettle, initiator kettle are connected with reactor pipeline respectively, and oil phase is matched somebody with somebody
Material kettle is autoclave and the oil phase batching kettle upper pipeline is connected with butadiene kettle；Normal pressure batching kettle connects with oil phase batching kettle pipeline
Connect, transfer tube is provided between normal pressure batching kettle and oil phase batching kettle；Oil phase raw material kettle, oil phase raw material are connected with normal pressure batching kettle
Discharging opening on kettle is higher than the charging aperture on normal pressure batching kettle.
Using above-mentioned technical proposal, oil phase raw material can be added to often by way of head tank gravity flow from oil phase raw material kettle
Batching kettle is pressed, is first well mixed, then compound is pumped into by oil phase batching kettle by transfer tube together and mixed with butadiene, it is such
Setting facilitates charging first, secondly, reduces the step of less raw material of dosage is individually fed, it is not necessary to compressed air, enter
It is smaller to the pressure influence of oil phase batching kettle after material, it is not necessary to carry out steady pressure by extensive deflate；Finally, by addition compared with
Few raw material is then added to after being mixed with the raw material that addition increases in oil phase batching kettle, reduces its damage of adhesion on pipeline
Lose.
More preferably：Stop valve and flowmeter are provided between oil phase raw material kettle and normal pressure batching kettle.
Using above-mentioned technical proposal, both of which is used for the dosage of Precise Control of Oil phase raw material, strict control reaction product
Quality.
More preferably：Transfer tube is the pump with function of measuring.
Using above-mentioned technical proposal, transfer tube can control the dosage of mixed material while driving force is provided, strictly
Control the quality of reaction product.
More preferably：Flowmeter is provided between oil phase batching kettle and reactor.
Using above-mentioned technical proposal, autoclave is applied to the dispensing of low-boiling point material, such as butadiene raw material, autoclave meeting
The metering precision of the measuring pump on pipeline is influenceed, so as to setting up flowmeter on pipeline, for the flow of accurate control material,
So as to improve the quality of finished product.
More preferably：The quantity of oil phase batching kettle is two, and two oil phase batching kettles are connected in parallel with reactor, each
A normal pressure batching kettle is connected on oil phase batching kettle respectively；Two normal pressure batching kettles are connected with oil phase raw material kettle respectively.
Using above-mentioned technical proposal, the oil phase raw material of configuration different ratio in different oil phase batching kettles, in reaction
Early stage and later stage, it can be added to according to the difference of extent of reaction from the raw material in different batching kettles in reactor, it is convenient
The additional proportion of material is adjusted, is advantageous to the quality of flexibly control finished product.
More preferably：The quantity of aqueous phase batching kettle is two, and two aqueous phase batching kettles are connected in parallel with reactor, aqueous phase
Aqueous Phase Raw Material kettle is connected with batching kettle；The quantity of initiator kettle is one.
Using above-mentioned technical proposal, the Aqueous Phase Raw Material of configuration different ratio in different aqueous phase batching kettles, in reaction
Early stage and later stage, it can be added to according to the difference of extent of reaction from the raw material in different batching kettles in reactor, it is convenient
The additional proportion of material is adjusted, is advantageous to the quality of flexibly control finished product.
More preferably：The top of normal pressure batching kettle is provided with measuring tank, and weight induction device is provided with measuring tank；Metering
Groove connects with all oil phase raw material kettles, and measuring tank is provided with neck between normal pressure batching kettle, and neck is provided with magnetic valve.
Using above-mentioned technical proposal, normal pressure raw material is being added to the process of normal pressure batching kettle by way of head tank gravity flow
In, the less raw material of dosage is added in measuring tank first, opening magnetic valve puts it into normal pressure and matched somebody with somebody after arrival institute expense
Expect in kettle, holding magnetic valve is open mode, then adds the larger raw material of dosage, a small amount of original that will can be remained in measuring tank
Material strip enters in normal pressure batching kettle, reduces the loss of a small amount of raw material.
In summary, the utility model has the advantages that：1st, the side that oil phase raw material can be flow automatically by head tank
Formula is added to normal pressure batching kettle from oil phase raw material kettle, is first well mixed, then compound is pumped into oil phase together by transfer tube and matched somebody with somebody
Material kettle mixes with butadiene, and such setting facilitates charging first, secondly, reduces what the less raw material of dosage was individually fed
Step, it is not necessary to compressed air is smaller to the pressure influence of oil phase batching kettle after charging, it is not necessary to come surely by extensive deflate
Constant-pressure；Finally, it is then added in oil phase batching kettle, subtracts after the less raw material of addition is mixed with the raw material that addition increases
Its few adhesion loss on pipeline；2nd, the setting of measuring tank to add by way of head tank gravity flow by normal pressure raw material
During normal pressure batching kettle, the less raw material of dosage is added in measuring tank first, electromagnetism is opened after reaching institute's expense
Valve is put it into normal pressure batching kettle, and holding magnetic valve is open mode, then adds the larger raw material of dosage, will can be remained in
A small amount of raw material in measuring tank is brought into normal pressure batching kettle, reduces the loss of a small amount of raw material.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the overall structure diagram of embodiment 2；
Fig. 3 is the overall structure diagram of the normal pressure batching kettle of embodiment 2；
Fig. 4 is the normal pressure batching kettle of embodiment 2 and the attachment structure schematic diagram of measuring tank.
In figure, 11, reactor；111st, oil phase charging aperture；112nd, aqueous phase charging aperture；113rd, emulsifying agent charging aperture；12nd, oil phase
Batching kettle；13rd, aqueous phase batching kettle；14th, initiator kettle；15th, Aqueous Phase Raw Material kettle；151st, water kettle；152nd, emulsifying agent kettle one；153rd, it is newborn
Agent kettle two；16th, normal pressure batching kettle；17th, butadiene kettle；18th, oil phase raw material kettle；181st, styrene kettle；182nd, mercaptan kettle；183、
Vinyl acetate kettle；19th, transfer tube；20th, stop valve；21st, flowmeter；22nd, stop valve；23rd, measuring pump；24th, measuring tank；25th, again
Measure induction installation；26th, neck；27th, magnetic valve.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in the scope of protection of the utility model by Patent Law.
Embodiment 1：The dispensing reaction unit of a kind of styrene-butadiene latex, as shown in figure 1, including reactor 11, oil phase batching kettle
12nd, aqueous phase batching kettle 13 and initiator kettle 14,14, two aqueous phase batching kettles of an initiator kettle are connected with a reactor 11
13 and two oil phase batching kettles 12.It is connected in parallel between all aqueous phase batching kettles 13, it is in parallel between all oil phase batching kettles 12 to connect
Connect.Wherein oil phase batching kettle 12 is autoclave.
Each aqueous phase batching kettle 13 is all connected with three Aqueous Phase Raw Material kettles 15, respectively water kettle 151, the and of emulsifying agent kettle 1
Emulsifying agent kettle 2 153.A normal pressure batching kettle 16 and a butadiene kettle 17, each normal pressure are connected on each oil phase batching kettle 12
Batching kettle 16 is all connected with two oil phase raw material kettles 18, respectively styrene kettle 181, mercaptan kettle 182, one of normal pressure batching kettle
16 are also associated with a vinyl acetate kettle 183.
Reactor 11 is provided with 111, aqueous phase charging apertures of an oil phase charging aperture and an emulsifying agent charging aperture 113,
Oil phase batching kettle 12 is connected with the pipeline of oil phase charging aperture 111, and aqueous phase batching kettle 13 is connected with the pipeline of aqueous phase charging aperture 112.Each
Independent stop valve 22 is equipped between oil phase batching kettle 12 and oil phase charging aperture 111, each aqueous phase batching kettle 13 enters with aqueous phase
Independent stop valve 22 is equipped between material mouth 112.Initiator kettle 14, oil phase batching kettle 12, aqueous phase batching kettle 13 and reactor
Measuring pump 23 is equipped between 11.Pipeline between oil phase batching kettle 12 and measuring pump 23 is provided with flowmeter 21.
Normal pressure batching kettle 16 is connected with the pipeline of oil phase batching kettle 12, is provided between normal pressure batching kettle 16 and oil phase batching kettle 12
Transfer tube 19.Discharging opening in normal pressure raw material kettle higher than the charging aperture on normal pressure batching kettle 16, match somebody with somebody by oil phase raw material kettle 18 and normal pressure
Stop valve 20 and flowmeter 21 are provided between material kettle 16（It is only shown partially）, so as to which the raw material in oil phase raw material kettle 18 can lead to
The mode for crossing head tank gravity flow enters normal pressure batching kettle 16.Above is referred to flowmeter 21 be turbine flowmeter.
The course of work：Configured respectively according to the formula ratio of reaction early stage and later stage in two aqueous phase batching kettles 13 first
Good aqueous phase reactions liquid；According still further to the formula ratio of reaction early stage and later stage, oil phase reaction has been configured in two normal pressure batching kettles 16
Liquid, and oil phase reaction solution is pumped into oil phase batching kettle 12 by transfer tube 19, and first it is passed through formula ratio in an oil phase batching kettle 12
Butadiene；Initiator for reaction liquid has been configured in initiator kettle 14.Open the oil phase batching kettle of connection vinyl acetate kettle 183
12nd, the stop valve 22 and measuring pump 23 between the aqueous phase batching kettle 13 and initiator kettle 14 and reactor 11 of proportioning early stage are reacted,
Material is passed through into reactor 11, is reacted to the later stage, oil phase batching kettle 12 and aqueous phase batching kettle 13 is changed, continues to react.So
Setting cause react the later stage vinyl acetate is no longer added into reaction system so that the vinyl acetate of low reactivity ratio is after the reaction
Phase can slowly react complete, reduce the residual of vinyl acetate.
Embodiment 2：The dispensing reaction unit of a kind of styrene-butadiene latex, as shown in Fig. 2 including reactor 11, oil phase batching kettle
12nd, aqueous phase batching kettle 13 and initiator kettle 14,14, two aqueous phase batching kettles of an initiator kettle are connected with a reactor 11
13 and two oil phase batching kettles 12.It is connected in parallel between all aqueous phase batching kettles 13, it is in parallel between all oil phase batching kettles 12 to connect
Connect.Wherein oil phase batching kettle 12 is autoclave.
Each aqueous phase batching kettle 13 is all connected with three Aqueous Phase Raw Material kettles 15, respectively water kettle 151, the and of emulsifying agent kettle 1
Emulsifying agent kettle 2 153.A normal pressure batching kettle 16 and a butadiene kettle 17, each normal pressure are connected on each oil phase batching kettle 12
Batching kettle 16 is all connected with two oil phase raw material kettles 18, respectively styrene kettle 181, mercaptan kettle 182, one of normal pressure batching kettle
16 are also associated with a vinyl acetate kettle 183.
Reactor 11 is provided with 111, aqueous phase charging apertures of an oil phase charging aperture and an emulsifying agent charging aperture 113,
Oil phase batching kettle 12 is connected with the pipeline of oil phase charging aperture 111, and aqueous phase batching kettle 13 is connected with the pipeline of aqueous phase charging aperture 112.Each
Independent stop valve 22 is equipped between oil phase batching kettle 12 and oil phase charging aperture 111, each aqueous phase batching kettle 13 enters with aqueous phase
Independent stop valve 22 is equipped between material mouth 112.Initiator kettle 14, oil phase batching kettle 12, aqueous phase batching kettle 13 and reactor
Measuring pump 23 is equipped between 11.Pipeline between oil phase batching kettle 12 and measuring pump 23 is provided with flowmeter 21.
Normal pressure batching kettle 16 is connected with the pipeline of oil phase batching kettle 12, is provided between normal pressure batching kettle 16 and oil phase batching kettle 12
Transfer tube 19, transfer tube 19 are the pump with function of measuring.Discharging opening in oil phase raw material kettle is higher than entering on normal pressure batching kettle 16
Material mouth, stop valve 20 and flowmeter 21 are provided between oil phase raw material kettle 18 and normal pressure batching kettle 16（It is only shown partially）, so as to
Raw material in oil phase raw material kettle 18 can enter normal pressure batching kettle 16 by way of head tank gravity flow.
As shown in Figure 3 and Figure 4, the top of normal pressure batching kettle 16 is provided with measuring tank 24, and weight induction is provided with measuring tank 24
Device 25.The top of measuring tank 24 connects with all oil phase raw material kettles 18, and measuring tank 24 is provided with neck between normal pressure batching kettle 16
Portion 26, neck 26 are provided with magnetic valve 27.Weight induction device 25 is set close proximity to the stop valve 22 of neck 26, is missed with reducing
Difference.Flowmeter 21 between oil phase raw material kettle 18 and normal pressure batching kettle 16 is set close proximity to measuring tank 24, so as to reduce residual
The amount of oil phase raw material on inner-walls of duct, reduce error.It is worth mentioning that above is referred to flowmeter 21 be turbine flow
Gauge.
The course of work：Difference with embodiment 1 is, normal pressure raw material is being added into normal pressure by way of head tank gravity flow
During batching kettle, the less mercaptan of dosage is added in measuring tank first, opening magnetic valve will after reaching institute's expense
It is put into normal pressure batching kettle, and holding magnetic valve is open mode, then adds the larger styrene of dosage, can will remain in meter
A small amount of mercaptan in measuring tank is brought into normal pressure batching kettle, reduces the loss of mercaptan.
Claims (7)
1. a kind of dispensing reaction unit of styrene-butadiene latex, including oil phase batching kettle (12), aqueous phase batching kettle (13) and reactor
(11), it is characterized in that：Also include initiator kettle (14) and normal pressure batching kettle (16), the oil phase batching kettle (12), aqueous phase dispensing
Kettle (13), initiator kettle (14) are connected with reactor (11) pipeline respectively, and the oil phase batching kettle (12) is autoclave and described
Oil phase batching kettle (12) upper pipeline is connected with butadiene kettle (17)；The normal pressure batching kettle (16) and oil phase batching kettle (12) pipeline
Connection, is provided with transfer tube (19) between normal pressure batching kettle (16) and oil phase batching kettle (12)；Connect on the normal pressure batching kettle (16)
It is connected to oil phase raw material kettle (18), the discharging opening on the oil phase raw material kettle (18) is higher than the charging aperture on normal pressure batching kettle (16).
2. a kind of dispensing reaction unit of styrene-butadiene latex according to claim 1, it is characterized in that：The oil phase raw material kettle
(18) stop valve (20) and flowmeter (21) are provided between normal pressure batching kettle (16).
3. a kind of dispensing reaction unit of styrene-butadiene latex according to claim 2, it is characterized in that：The transfer tube (19) is
Pump with function of measuring.
4. a kind of dispensing reaction unit of styrene-butadiene latex according to claim 3, it is characterized in that：The oil phase batching kettle
And reactor (12)（11）Between be provided with flowmeter (21).
5. a kind of dispensing reaction unit of styrene-butadiene latex according to claim 4, it is characterized in that：The oil phase batching kettle
(12) quantity is two, and two oil phase batching kettles (12) are connected in parallel with reactor (11), each oil phase batching kettle
(12) a normal pressure batching kettle (16) is connected on respectively；Two normal pressure batching kettles (16) are connected with oil phase raw material kettle (18) respectively.
6. a kind of dispensing reaction unit of styrene-butadiene latex according to claim 5, it is characterized in that：The aqueous phase batching kettle
(13) quantity is two, and two aqueous phase batching kettles (13) are connected in parallel with reactor (11), the aqueous phase batching kettle (13)
On be connected with Aqueous Phase Raw Material kettle (15)；The quantity of initiator kettle (14) is one.
7. a kind of dispensing reaction unit of styrene-butadiene latex according to claim 6, it is characterized in that：The normal pressure batching kettle
(16) top is provided with measuring tank (24), and weight induction device (25) is provided with the measuring tank (24)；The measuring tank (24)
Connected with all oil phase raw material kettles (18), the measuring tank (24) is provided with neck between normal pressure batching kettle (16)
(26), the neck (26) is provided with magnetic valve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114164.2U CN207143165U (en) | 2017-08-31 | 2017-08-31 | A kind of dispensing reaction unit of styrene-butadiene latex |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114164.2U CN207143165U (en) | 2017-08-31 | 2017-08-31 | A kind of dispensing reaction unit of styrene-butadiene latex |
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| CN207143165U true CN207143165U (en) | 2018-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549416A (en) * | 2021-08-06 | 2021-10-26 | 江苏国胶新材料有限公司 | Production system and production process method of label adhesive with mixed components |
-
2017
- 2017-08-31 CN CN201721114164.2U patent/CN207143165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113549416A (en) * | 2021-08-06 | 2021-10-26 | 江苏国胶新材料有限公司 | Production system and production process method of label adhesive with mixed components |
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Granted publication date: 20180327 Termination date: 20190831 |