CN110354771A - A kind of bottom feeding process applied to lotion processing - Google Patents
A kind of bottom feeding process applied to lotion processing Download PDFInfo
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- CN110354771A CN110354771A CN201910672544.5A CN201910672544A CN110354771A CN 110354771 A CN110354771 A CN 110354771A CN 201910672544 A CN201910672544 A CN 201910672544A CN 110354771 A CN110354771 A CN 110354771A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
- B01J2219/00256—Leakage
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- Chemical Kinetics & Catalysis (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The present invention relates to a kind of bottom feeding process applied to lotion processing, are conveyed by reaction kettle and feeding line to every raw material and material.In polymerization stage, put the raw materials into reaction kettle, then first initiator be first added in reaction kettle, first initiation for a period of time after, then by emulsion, initiator from reactor bottom be added dropwise enter reaction kettle in.By the way of the charging of bottom, material volatilization when entering is few, and material is directly mixed into raw material after entering, improves mixed effect, and the reaction time is short, and the quantity of slag is few.
Description
Technical field
The present invention relates to lotion manufacture fields, more specifically to a kind of bottom feeder applied to lotion processing
Skill.
Background technique
The broad understanding of reaction kettle has the container physically or chemically reacted, is designed by the structure to container and is matched with parameter
It sets, realizes the mixed function for heating, evaporation, cooling and the low high speed that technique requires, reaction kettle is that chemical field is commonly processed
Equipment can be used to mix every raw material, number of patent application be 201721623912.X disclose a kind of reaction kettle into
Material system mainly adds circle shaped tube type distribution device assembly in reactor main body, changes original feed liquor mode, make reaction kettle
Interior feed liquor mixing is more uniform, increases reactant contact area, prevents local reaction excessive, ring pipe is arranged inside reaction kettle
Formula distribution device assembly can occupy the inner space of reaction kettle very much, the reaction compartment of material be reduced, in addition, feeding in the prior art
Mouthful selection on the top of reaction kettle, every material is entered inside reaction kettle by reaction kettle top, and with inside reaction kettle
Raw material polymerization reaction occurs, material is launched by top, material has certain volatilization, when being contacted with material, only office
Portion's mixing, thus will lead to mixing not enough uniformly, local temperature height lead to that cruelly poly-, reaction efficiency is low, in economic aspect,
Materials conversion rate is low, and for a long time using will increase production cost, in technical aspect, amount of monomer is excessive, to will increase product
Smell, does not meet environmentally protective idea of development, and the present invention proposes a kind of new solution in view of the above problems.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of bottoms applied to lotion processing
Feeding process is mixed between slow, the every raw material of reaction efficiency in a manner of the reaction kettle top feed for solving to be previously mentioned in background technique
Close the problems such as uneven and materials conversion rate is low.
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of bottom feeding process applied to lotion processing, by reaction kettle and feeding line to every raw material and material
It is conveyed, feeding line is connected with reaction kettle, and every raw material and material pass through reaction kettle progress polymerization reaction and oxidation
Reduction reaction, comprising the following steps:
Step 1: prepare reaction kettle and feeding line, and be connected to feeding line with the bottom and top of reaction kettle；
Step 2；Prepare raw material and material；
Raw material includes: water and emulsifier；
Material includes: emulsion, first initiator, initiator, Oxidizing and Reducing Agents；
Step 3:
First stage of reaction (polymerization reaction): putting the raw materials into reaction kettle, and reaction kettle is first then added in first initiator
It is interior, first initiation for a period of time after, then by emulsion, initiator from reactor bottom be added dropwise enter reaction kettle in；
Second stage of reaction: after first stage of reaction (polymerization reaction), heat preservation a period of time；Then it carries out aoxidizing also
Original place reason, oxidant enter from reactor bottom, and reducing agent enters from top；
Step 4: obtaining lotion finished product, filling to finished emulsion by canning line, finally obtains packaged product.
Preferably, the polymerization temperature of first stage of reaction of step 3 is 83-87 DEG C, polymerization time 2.5-
3.5h。
In any of the above-described scheme preferably, the bottom of the step 1 reaction kettle is provided with first charging aperture, should be into
There are three material mouth settings and is connected respectively with feeding line.
In any of the above-described scheme preferably, the top of the step 3 reaction kettle is provided with second charging aperture, this
Two feed inlets are connected with feeding line.
In any of the above-described scheme preferably, the holding temperature of second stage of reaction is 80-85 DEG C in the step 3,
Its soaking time is 1h.
In any of the above-described scheme preferably, the pressure value in the step 3 is 0-0.1MPa.
In any of the above-described scheme preferably, there are two types of feeding manners for the initiator and emulsion in the step 3.
In any of the above-described scheme preferably, in the step 3 initiator and emulsion by feeding line individually into
Enter into reaction kettle.
In any of the above-described scheme preferably, in the step 3 initiator and emulsion before entering reaction kettle into
It is uniformly mixed in expects pipe line.
In any of the above-described scheme preferably, the flow of each raw material and material is 0-150kg/min in the step 3.
In any of the above-described scheme preferably, pneumatic control valve is provided on the feeding line.
In any of the above-described scheme preferably, the reaction kettle top is provided with collet.
In any of the above-described scheme preferably, the reaction kettle lower part is provided with coil pipe.
In any of the above-described scheme preferably, it is connected with exhaust piping on the reaction kettle, the outlet of the exhaust piping
End is connected with flare system.
In any of the above-described scheme preferably, air compensating system is connected on the reaction kettle, the air compensating system includes
Tonifying Qi pipeline and air compression tank.
In any of the above-described scheme preferably, one-way cock is respectively arranged on the exhaust piping and tonifying Qi pipeline.
Compared with the prior art, the present invention has the advantages that
Bottom feeding process is used in the present invention, is had the advantage that compared to top feeding process is played
1, material volatilization when entering is few, and material is entered directly into raw material and mixed after entering, improves mixed effect,
Reaction time is short, and the quantity of slag is few；
2, reaction process temperature plateau；
3, product cut size narrow distribution；
4, material volatilization is few；
5, smell is small, and monomer conversion is high.
Detailed description of the invention
Fig. 1 be it is according to the invention applied to lotion processing bottom feeding process reaction kettle top charging (emulsion,
Initiator) be made product emulsion a preferred embodiment grain size distribution；
Fig. 2 be it is according to the invention applied to lotion processing bottom feeding process reactor bottom charging (emulsion,
Initiator) be made product emulsion a preferred embodiment grain size distribution；
Fig. 3 is the reaction kettle bottom of a preferred embodiment of the bottom feeding process according to the invention applied to lotion processing
Portion's feed polymerization reacts temperature control curve figure；
Fig. 4 is the reaction kettle of the embodiment illustrated in fig. 3 of the bottom feeding process according to the invention applied to lotion processing
Top feed polymerization reacts temperature control curve figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected, can be mechanical connection, is also possible to be electrically connected, can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements, for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Please refer to Fig. 1-4, a kind of bottom feeding process applied to lotion processing, by reaction kettle and feeding line to each
Item raw material and material are conveyed, and feeding line is connected with reaction kettle, and every raw material and material are polymerize by reaction kettle
Reaction and redox reaction, comprising the following steps:
Step 1: prepare reaction kettle and feeding line, and be connected to feeding line with the bottom and top of reaction kettle；
Step 2；Prepare raw material and material；
Raw material includes: water and emulsifier；
Material includes: emulsion, first initiator, initiator, Oxidizing and Reducing Agents；
Step 3:
First stage of reaction (polymerization reaction): putting the raw materials into reaction kettle, and reaction kettle is first then added in first initiator
It is interior, first initiation for a period of time after, finally by component emulsion, initiator from reactor bottom be added dropwise enter reaction kettle in；
Second stage of reaction: after first stage of reaction (polymerization reaction), heat preservation a period of time；Then it carries out aoxidizing also
Original place reason, oxidant enter from reactor bottom, and reducing agent enters from top；
Step 4: obtaining lotion finished product, filling to finished emulsion by canning line, finally obtains packaged product.
In the present embodiment, the polymerization temperature of first stage of reaction of step 3 is 83 DEG C, polymerization time 2.5h.
In the present embodiment, in order to preferably use feeding line, the bottom of the step 1 reaction kettle is provided with first
Feed inlet, there are three feed inlet settings and is connected respectively with feeding line.
In the present embodiment, in order to preferably use feeding line, the top of the step 3 reaction kettle is provided with second
Feed inlet, the second charging aperture are connected with feeding line.
In the present embodiment, polymerization effect in order to better improve, the heat preservation temperature of second stage of reaction in the step 3
Degree is 80 DEG C, soaking time 1h.
In the present embodiment, the pressure in order to preferably carry out polymerization reaction and redox reaction, in the step 3
Value is 0.05MPa, and pressure value control preferably can be carried out hybrid reaction to every raw material and material in the range.
In the present embodiment, initiator and cream in order to preferably be fed to initiator and emulsion, in the step 3
Changing liquid, there are two types of feeding manners, facilitate the use of staff.
In the present embodiment, in order to make initiator and emulsion mix more uniform, initiator and cream in the step 3
Change liquid to individually enter in reaction kettle by feeding line.
In the present embodiment, initiator and emulsion mixing in entering the feeding line before reaction kettle are equal in step 3
Even, the feeding line of initiator is preferably incorporated on the feeding line of emulsion by the present invention, and this feeding manner makes cream
Change liquid and initiator mixing is more uniform.
In the present embodiment, in order to preferably convey every raw material and material, the flow of each raw material and material in step 3
For 100kg/min.
In the present embodiment, in order to which the conveying preferably to every material and raw material controls, on the feeding line
It is provided with pneumatic control valve, it can better controller flow speed by pneumatic control valve.
In the present embodiment, the reaction kettle top is provided with collet.
In the present embodiment, the reaction kettle lower part is provided with coil pipe.
In the present embodiment, in order to preferably discharge gas extra during reaction process, connect on reaction kettle
It is connected to exhaust piping, the outlet side of the exhaust piping is connected with flare system, can discharge by exhaust piping, and lead to
It crosses flare system directly to handle the exhaust gas of discharge, be then discharged in air, to will not pollute the environment.
In the present embodiment, in order to be connected with air compensating system, the benefit on the reaction kettle preferably to reaction kettle tonifying Qi
Gas system includes tonifying Qi pipeline and air compression tank, and when air pressure is smaller in reaction kettle, the nitrogen in air compression tank is entered
In reaction kettle.
In the present embodiment, it passes in order to preferably control waste gas stream and the circulation of air, the exhaust piping and tonifying Qi
One-way cock is respectively arranged on pipeline.
The present invention use bottom feeding process, by emulsion, initiator and oxidant from reactor bottom enter, it is this into
The material corresponding top feed of technique has very big difference in terms of monomer partial size and polymerization temperature:
Particle diameter distribution:
By attached drawing 1 and attached drawing 2, it can be observed how, the monomer particle diameter distribution of bottom charging is narrow.
Polymerization temperature:
By attached drawing 3, it can be observed how, bottom feeds (emulsion, initiator), temperature of reaction kettle controlling curve, relatively flat
Surely；
By attached drawing 4 using top charging (emulsion, initiator), temperature of reaction kettle controlling curve is unstable, and temperature is not
It is easy to control, when temperature is higher, temperature is controlled using measures such as outside spray, extension time for adding, so that polymerization time is longer.
In the present invention use bottom feeding process, compare top feeding process material enter when volatilize lack, into
Enter rear material and enter directly into raw material to mix, improves mixed effect, the reaction time is short, and the quantity of slag is few；Reaction process temperature is flat
Surely；Product cut size narrow distribution；Material volatilization is few；Smell is small, and monomer conversion is high.Product emulsion can be preferably made, is mentioned
The high quality of lotion, accelerates the producing efficiency of lotion.
Embodiment 2:
Coating for internal and external wall is made of lotion on the basis of embodiment 1, comprising the following steps:
Step 1: prepare reaction kettle and feeding line, and be connected to feeding line with the bottom and top of reaction kettle；
Step 2: prepare raw material and material；
Raw material includes: 18 parts of deionized waters and 1 part of mixed emulsifier；
Material includes: 135 parts of compound emulsions, initiator, 9 parts of initiators, 1 part of oxidant and 1 part of reduction at the beginning of 1 part
Agent；
Step 3:
First stage of reaction (polymerization reaction): putting the raw materials into reaction kettle, when temperature rises to 85 DEG C, first initiator is first
Be added reaction kettle in, first initiation for a period of time after, then by emulsion, initiator from reactor bottom be added dropwise enter reaction kettle
It is interior, 3h is added dropwise；
Second stage of reaction: after first stage of reaction (polymerization reaction), 1h is kept the temperature；Then it carries out at redox
Reason, oxidant enter from reactor bottom, and reducing agent enters from top；
Step 4: obtaining coating for internal and external wall lotion finished product, filling to finished emulsion by canning line, finally obtains encapsulation
Good product.
Embodiment 3:
Elastic coating is made of lotion on the basis of embodiment 1, comprising the following steps:
Step 1: prepare reaction kettle and feeding line, and be connected to feeding line with the bottom and top of reaction kettle；
Step 2: prepare raw material and material；
Raw material includes: 23 parts of deionized waters and 1 part of mixed emulsifier；
Material includes: 130 parts of compound emulsions, initiator, 5 parts of initiators, 1 part of oxidant and 1 part of reduction at the beginning of 0.8 part
Agent；
Step 3:
First stage of reaction (polymerization reaction): putting the raw materials into reaction kettle, when temperature rises to 82 DEG C, first initiator is first
Be added reaction kettle in, first initiation for a period of time after, then by emulsion, initiator from reactor bottom be added dropwise enter reaction kettle
It is interior, 2.5h is added dropwise；
Second stage of reaction: after first stage of reaction (polymerization reaction), 1h is kept the temperature；Then it carries out at redox
Reason, oxidant enter from reactor bottom, and reducing agent enters from top；
Step 4: obtaining elastic coating lotion finished product, filling to finished emulsion by canning line, finally obtains packaged
Product.
Embodiment 4:
Water-proof emulsion is made on the basis of embodiment 1, comprising the following steps:
Step 1: prepare reaction kettle and feeding line, and be connected to feeding line with the bottom and top of reaction kettle；
Step 2: prepare raw material and material；
Raw material includes: 30 parts of deionized waters and 1 part of mixed emulsifier；
Material include: 125 parts of compound emulsions, initiator, 10 parts of initiators, 1 part of oxidant and 1 part at the beginning of 1.2 parts also
Former agent；
Step 3:
First stage of reaction (polymerization reaction): putting the raw materials into reaction kettle, when temperature rises to 87 DEG C, first initiator is first
Be added reaction kettle in, first initiation for a period of time after, then by emulsion, initiator from reactor bottom be added dropwise enter reaction kettle
It is interior, 3.5h is added dropwise；
Second stage of reaction: after first stage of reaction (polymerization reaction), 1h is kept the temperature；Then it carries out at redox
Reason, oxidant enter from reactor bottom, and reducing agent enters from top；
Step 4: obtaining water-proof emulsion finished product, filling to finished emulsion by canning line, finally obtains packaged production
Product.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of bottom feeding process applied to lotion processing, by reaction kettle and feeding line to every raw material and material into
Row conveying, feeding line is connected with reaction kettle, which is characterized in that every raw material and material carry out polymerization reaction by reaction kettle
And redox reaction, comprising the following steps:
Step 1: prepare reaction kettle and feeding line, and be connected to feeding line with the bottom and top of reaction kettle；
Step 2: prepare raw material and material；
Raw material includes: water and emulsifier；
Material includes: emulsion, first initiator, initiator, Oxidizing and Reducing Agents；
Step 3:
First stage of reaction (polymerization reaction): putting the raw materials into reaction kettle, then first initiator is first added in reaction kettle, just
Initiation for a period of time after, then by emulsion, initiator from reactor bottom be added dropwise enter reaction kettle in；
Second stage of reaction: after first stage of reaction (polymerization reaction), heat preservation a period of time；Then it carries out at redox
Reason, oxidant enter from reactor bottom, and reducing agent enters at the top of reaction kettle；
Step 4: obtaining lotion finished product, filling to finished emulsion by canning line, finally obtains packaged product.
2. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: step 3 first is anti-
The polymerization temperature for answering the stage is 83-87 DEG C, polymerization time 2.5-3.5h.
3. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: step 1 reaction kettle
Bottom be provided with first charging aperture, the feed inlet setting there are three and be connected respectively with feeding line.
4. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: step 3 reaction kettle
Top be provided with second charging aperture, which is connected with feeding line.
5. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: second in step 3
The holding temperature of the stage of reaction is 80-85 DEG C, soaking time 1h.
6. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: the pressure in step 3
Force value is 0-0.1MPa.
7. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: drawing in step 3
Sending out agent and emulsion, there are two types of feeding manners.
8. the bottom feeding process according to claim 7 applied to lotion processing, it is characterised in that: cause in step 3
Agent and emulsion are individually entered in reaction kettle by feeding line.
9. the bottom feeding process according to claim 7 applied to lotion processing, it is characterised in that: cause in step 3
Agent and emulsion are uniformly mixed in the feeding line before entering reaction kettle.
10. the bottom feeding process according to claim 1 applied to lotion processing, it is characterised in that: each in step 3
The flow of raw material and material is 0-150kg/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910672544.5A CN110354771A (en) | 2019-07-24 | 2019-07-24 | A kind of bottom feeding process applied to lotion processing |
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| CN201910672544.5A CN110354771A (en) | 2019-07-24 | 2019-07-24 | A kind of bottom feeding process applied to lotion processing |
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Application publication date: 20191022 |
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| RJ01 | Rejection of invention patent application after publication |