CN208995416U - A kind of tetrabromobisphenol A process units - Google Patents
A kind of tetrabromobisphenol A process units Download PDFInfo
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- CN208995416U CN208995416U CN201821611859.6U CN201821611859U CN208995416U CN 208995416 U CN208995416 U CN 208995416U CN 201821611859 U CN201821611859 U CN 201821611859U CN 208995416 U CN208995416 U CN 208995416U
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- kettle
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- tetrabromobisphenol
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Abstract
The utility model relates to chemical equipment technical fields, more particularly to a kind of tetrabromobisphenol A process units, including the first bromination kettle, the discharge port of first bromination kettle is connected to the second bromination kettle, the discharge port connection of second bromination kettle neutralizes kettle, the discharge port for neutralizing kettle is connected to washing kettle, the discharge port of washing kettle is connected to filter device, the discharge port of filter device is connected to crystallization kettle, the discharge port of crystallization kettle is connected to centrifugal device, centrifugal device discharge port is connected to drying device, the discharge port of drying device is connected to product storage tank, the evacuation port of drying device is connected to condensing unit, the leakage fluid dram of condensing unit is connected to surge tank, the evacuation port of surge tank is connected to vacuum pump.Using the process units, product purity can be improved, improve yield, realize continuous production, prevent the pollution of the environment and wastage of material.
Description
Technical field
The utility model relates to chemical equipment technical field more particularly to a kind of tetrabromobisphenol A process units.
Background technique
Tetrabromobisphenol A is the derivative of bisphenol-A, is white powder, is mainly used as plastic products additive, is common bromine
Change one of fire retardant.When tetrabromobisphenol A produces, bisphenol-A first is dissolved with chlorobenzene, then by bromine, hydrogen peroxide, sulfuric acid and bisphenol-A
Chlorobenzene solution investment reaction kettle in reaction a period of time, by washing, being dried to obtain tetrabromobisphenol A product.But it is existing
There are some problems when producing tetrabromobisphenol A for process units: (1) some materials are not sufficiently reactive in reaction process, with tetrabromo
Bisphenol-A mixes, and leading to tetrabromobisphenol A, product purity is low；(2) existing process units, material reaction is insufficient, causes
The low yield of tetrabromobisphenol A；(3) when tetrabromobisphenol A is dry, solvent chlorobenzene can be distilled out of, if direct emission will cause pollution
And wastage of material.Therefore in view of the above-mentioned problems, it is necessary to suggest a set of tetrabromobisphenol A process units.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiencies of the prior art, providing one kind can be improved product
Purity improves yield, realizes continuous production, the tetrabromobisphenol A process units to prevent the pollution of the environment with wastage of material.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of tetrabromobisphenol A process units, the process units include the first bromination kettle, the discharging of the first bromination kettle
Mouth the second bromination kettle of connection, the discharge port connection of the second bromination kettle neutralize kettle, the discharge port connection washing for neutralizing kettle
Kettle, the discharge port of the washing kettle are connected to filter device, and the discharge port of the filter device is connected to crystallization kettle, the crystallization kettle
Discharge port is connected to centrifugal device, and the centrifugal device discharge port is connected to drying device, and the discharge port of the drying device, which is connected to, to be produced
Product storage tank, the evacuation port of the drying device are connected to condensing unit, and the leakage fluid dram of the condensing unit is connected to surge tank, described slow
Rush the evacuation port connection vacuum pump of tank.
As an improvement technical solution, the condensing unit include the first condenser and the second condenser.
As an improvement technical solution, the surge tank include the first surge tank and the second surge tank.
As an improvement technical solution, the drying device be double conic rotary vacuum dryer, the bipyramid rotary
The discharge port of vacuum drier is connected to product storage tank, and the evacuation port of the double conic rotary vacuum dryer is connected to the first condenser,
The leakage fluid dram of first condenser is connected to the first surge tank, and the exhaust outlet of first surge tank is connected to the second condenser, institute
The leakage fluid dram for stating the second condenser is connected to the second surge tank, and the exhaust outlet of second surge tank is connected to vacuum pump.
As an improvement technical solution, the filter device includes shell, and the top of the shell is equipped with feed inlet,
The lower section of the shell is equipped with discharge port, is equipped with strainer in the shell.
As an improvement technical solution, the centrifugal device be four-footed centrifuge.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
Since process units includes the first bromination kettle, the discharge port of the first bromination kettle is connected to the second bromination kettle, the second bromination
The discharge port connection of kettle neutralizes kettle, neutralizes the discharge port connection washing kettle of kettle, and the discharge port of washing kettle is connected to filter device, filtering
The discharge port of device is connected to crystallization kettle, and the discharge port of crystallization kettle is connected to centrifugal device, and centrifugal device discharge port is connected to drying device,
The discharge port of drying device is connected to product storage tank, and the evacuation port of the drying device is connected to condensing unit, the drain of condensing unit
Mouth connection surge tank, the evacuation port of surge tank are connected to vacuum pump.In actual production, by bromine, hydrogen peroxide, sulfuric acid and chlorobenzene
The bisphenol-A of dissolution is put into together in the first bromination kettle, through low-temp reaction after a period of time by material and the monobromo of generation
Or dibromo bisphenol-A is delivered to the second bromination kettle by product pump, and through pyroreaction after a period of time, bisphenol-A and excessive bromine
Plain sufficiently reaction, excessive bromine and sulfuric acid and the tetrabromobisphenol A of generation enter neutralization kettle, by the neutralization of lye, generate
Salting liquid, tetrabromobisphenol A and solvent chlorobenzene enter washing kettle together, after washing, salting liquid and tetrabromobisphenol A and
Solvent chlorobenzene is layered, and tetrabromobisphenol A, chlorobenzene and some particulate matters enter filter device, by filtered filtrate
Into crystallization kettle, crystal seed is added through crystallization after a period of time, the material that crystallization kettle is released enters centrifugal device, after centrifugation
Lower layer's material tetrabromobisphenol A enters drying device, and by the drying of drying device, tetrabromobisphenol A enters product storage tank, dried
The chlorobenzene steam steamed in journey is as vapor enters condensing unit, and by the condensation of condensing unit, chlorobenzene solution enters buffering
Tank, vapor are discharged from the evacuation port of surge tank.Using above-mentioned apparatus, the low temperature that reaction mass first passes through the first bromination kettle is anti-
It answers, using the pyroreaction of the second bromination kettle, material may make sufficiently to react, on the one hand realize continuous production, it is another
Aspect, which improves yield, can effectively remove excessive bromine and sulfuric acid after material is using kettle, washing kettle, filter device is neutralized
And the particulate matter in material, the purity of product is substantially increased, using the centrifugation of centrifugal device, drying device is done
Dry, the product after drying enters product storage tank, and the chlorobenzene steam steamed in drying process enters condensing unit, by coolant media
Cooling, chlorobenzene enters surge tank, realizes the recycling to solvent, also reduces the pollution to environment.
Since drying device is double conic rotary vacuum dryer, the discharge port connection product storage of double conic rotary vacuum dryer
Tank, the evacuation port of double conic rotary vacuum dryer are connected to the first condenser, and the leakage fluid dram of the first condenser is connected to the first surge tank,
The exhaust outlet of first surge tank is connected to the second condenser, and the leakage fluid dram of the second condenser is connected to the second surge tank, the second surge tank
Exhaust outlet be connected to vacuum pump.Tetrabromobisphenol A after drying enters product storage tank, and the chlorobenzene steamed is advanced with vapor
Enter the first condenser, enters the first surge tank after coolant media is cooling, realize the partially recycled of chlorobenzene, the first surge tank
The vapor of a small amount of chlorobenzene of entrainment of evacuation port discharge enter the second condensing unit, enter second after coolant media is cooling
Surge tank, last vapor are discharged from the evacuation port of the second surge tank.Recycling to chlorobenzene solvent is realized using above-mentioned apparatus,
The chlorobenzene solvent of recycling can be reused for dissolution bisphenol-A, avoid environmental pollution and the waste of reaction raw materials by purifying.
In conclusion substantially increasing reaction efficiency using the process units, continuous production is realized, improves product
Purity and yield, reduce the pollution to environment, avoid the waste of reaction mass.
Detailed description of the invention
Fig. 1 is a kind of tetrabromobisphenol A process units structural schematic diagram of the utility model；
Wherein, the first bromination of 1- kettle, 2- the second bromination kettle, in 3- and kettle, 4- washing kettle, 5- filter device, 50- strainer,
6- crystallization kettle, 7- centrifugal device, 8- double conic rotary vacuum dryer, the first condenser of 9-, the first surge tank of 10-, 11- second are cold
Condenser, the second surge tank of 12-, 13- vacuum pump, 14- product storage tank.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The discharge port of a kind of tetrabromobisphenol A process units, including the first bromination kettle 1, the first bromination kettle 1 is connected to the second bromination
The discharge port connection of kettle 2, the second bromination kettle 2 neutralizes kettle 3, and the discharge port for neutralizing kettle 3 is connected to washing kettle 4, the discharge port of washing kettle 4
It is connected to filter device 5, the discharge port of filter device 5 is connected to crystallization kettle 6, and the discharge port of crystallization kettle 6 is connected to 7 (four-footed of centrifugal device
Centrifuge), 7 discharge port of centrifugal device is connected to drying device, and drying device is double conic rotary vacuum dryer 8, and bipyramid rotary is true
The discharge port of empty drying machine 8 is connected to product storage tank 9, and the evacuation port of double conic rotary vacuum dryer 8 is connected to the first condenser 10, the
Leakage fluid dram the first surge tank 10 of connection of one condenser 10, exhaust outlet the second condenser 11 of connection of the first surge tank 10, second
The leakage fluid dram of condenser 11 is connected to the second surge tank 12, and the exhaust outlet of the second surge tank 12 is connected to vacuum pump 13.
In actual production, the bisphenol-A that bromine, hydrogen peroxide, sulfuric acid and chlorobenzene dissolve is put into the first bromination together
In kettle, the monobromo or dibromo bisphenol-A of material and generation are delivered to by product pump through low-temp reaction after a period of time
Dibrominated kettle, through pyroreaction after a period of time, bisphenol-A and excessive bromine sufficiently react, excessive bromine and sulfuric acid with
And the tetrabromobisphenol A generated enters neutralization kettle, by the neutralization of lye, salting liquid, tetrabromobisphenol A and the solvent chlorobenzene of generation
Enter washing kettle together, after washing, salting liquid and tetrabromobisphenol A and solvent chlorobenzene are layered, tetrabromobisphenol A, chlorine
Benzene and some particulate matters enter filter device, enter crystallization kettle by filtered filtrate, when crystal seed is added by one section
Between crystallization, crystallization kettle release material enter centrifugal device, by centrifugation after lower layer's material tetrabromobisphenol A enter bipyramid rotary
Vacuum drier, the tetrabromobisphenol A after drying enter product storage tank, and the chlorobenzene steamed is cold as vapor is introduced into first
Condenser enters the first surge tank after coolant media is cooling, realizes the partially recycled of chlorobenzene, the evacuation port of the first surge tank
The vapor of a small amount of chlorobenzene of entrainment of discharge enters the second condensing unit, enters the second surge tank after coolant media is cooling,
Last vapor is discharged from the evacuation port of the second surge tank.Reaction efficiency is substantially increased using the process units, the company of realizing
Continuous metaplasia produces, and improves the purity and yield of product, reduces the pollution to environment, avoids the waste of reaction mass.
Wherein, filter device 5 includes shell, and the top of shell is equipped with feed inlet, and the lower section of shell is equipped with discharge port, shell
It is interior to be equipped with strainer 50.Reaction mass and product enter washing kettle after washing, and the material of lower layer enters filter device, passes through
The strainer filtering for filtering device, can effectively remove particulate matter.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of tetrabromobisphenol A process units, it is characterised in that: the process units includes the first bromination kettle, first bromine
The discharge port for changing kettle is connected to the second bromination kettle, and the discharge port connection of the second bromination kettle neutralizes kettle, the discharging for neutralizing kettle
Mouth connection washing kettle, the discharge port of the washing kettle are connected to filter device, and the discharge port of the filter device is connected to crystallization kettle, institute
The discharge port connection centrifugal device of crystallization kettle is stated, the centrifugal device discharge port is connected to drying device, and the drying device goes out
Material mouth is connected to product storage tank, and the evacuation port of the drying device is connected to condensing unit, and the leakage fluid dram connection of the condensing unit is slow
Tank is rushed, the evacuation port of the surge tank is connected to vacuum pump.
2. a kind of tetrabromobisphenol A process units according to claim 1, it is characterised in that: the condensing unit includes the
One condenser and the second condenser.
3. a kind of tetrabromobisphenol A process units according to claim 2, it is characterised in that: the surge tank includes first
Surge tank and the second surge tank.
4. a kind of tetrabromobisphenol A process units according to claim 3, it is characterised in that: the drying device is bipyramid
Rotary vacuum dryer, the discharge port of the double conic rotary vacuum dryer are connected to product storage tank, and the bipyramid rotary vacuum is dry
The evacuation port of dry machine is connected to the first condenser, and the leakage fluid dram of first condenser is connected to the first surge tank, first buffering
The exhaust outlet of tank is connected to the second condenser, and the leakage fluid dram of second condenser is connected to the second surge tank, second surge tank
Exhaust outlet be connected to vacuum pump.
5. a kind of tetrabromobisphenol A process units according to claim 1, it is characterised in that: the filter device includes shell
Body, the top of the shell are equipped with feed inlet, and the lower section of the shell is equipped with discharge port, is equipped with strainer in the shell.
6. a kind of tetrabromobisphenol A process units according to claim 1, it is characterised in that: the centrifugal device is four-footed
Centrifuge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821611859.6U CN208995416U (en) | 2018-09-30 | 2018-09-30 | A kind of tetrabromobisphenol A process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821611859.6U CN208995416U (en) | 2018-09-30 | 2018-09-30 | A kind of tetrabromobisphenol A process units |
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| Publication Number | Publication Date |
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| CN208995416U true CN208995416U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821611859.6U Active CN208995416U (en) | 2018-09-30 | 2018-09-30 | A kind of tetrabromobisphenol A process units |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791504A (en) * | 2021-04-08 | 2021-05-14 | 山东金宜善新材料有限公司 | Tetrabromo bisphenol A filters phase splitting device |
| CN114656335A (en) * | 2022-04-13 | 2022-06-24 | 山东海王化工股份有限公司 | Tetrabromobisphenol A intermediate layer material recycling technology |
-
2018
- 2018-09-30 CN CN201821611859.6U patent/CN208995416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112791504A (en) * | 2021-04-08 | 2021-05-14 | 山东金宜善新材料有限公司 | Tetrabromo bisphenol A filters phase splitting device |
| CN114656335A (en) * | 2022-04-13 | 2022-06-24 | 山东海王化工股份有限公司 | Tetrabromobisphenol A intermediate layer material recycling technology |
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