CN208320780U - A kind of P-hydroxybenzoic acid production neutralization kettle - Google Patents
A kind of P-hydroxybenzoic acid production neutralization kettle Download PDFInfo
- Publication number
- CN208320780U CN208320780U CN201820334985.5U CN201820334985U CN208320780U CN 208320780 U CN208320780 U CN 208320780U CN 201820334985 U CN201820334985 U CN 201820334985U CN 208320780 U CN208320780 U CN 208320780U
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- CN
- China
- Prior art keywords
- kettle
- neutralizing
- hydroxybenzoic acid
- acid production
- neutralization
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a kind of P-hydroxybenzoic acid to produce with neutralization kettle, including neutralizing kettle, stirring motor is installed on the roof for neutralizing kettle, mounting rod is installed on the driving end of the stirring motor, and mounting rod runs through the roof for neutralizing kettle and extends to the inside for neutralizing kettle, stirring rod is installed on the lateral wall of the mounting rod, the downside for neutralizing kettle is equipped with base, the roof of the base is equipped with heater, the outside of the heater is equipped with heat shield, and heat shield is located on base, water cooling tube there are two symmetrically being plugged on the lateral wall for neutralizing kettle side, the both ends of two water cooling tubes are mounted on junction block.The utility model has the advantages of simple structure and easy realization, and is monitored by temperature sensor to the temperature neutralized inside kettle, facilitates and controlled according to display data reaction temperature, while the uniformity that stirring structure improves temperature is arranged, is conducive to improve reaction rate.
Description
Technical field
The utility model relates to chemical equipment technical field more particularly to a kind of P-hydroxybenzoic acid production neutralization kettles.
Background technique
In chemical field when producing P-hydroxybenzoic acid, generally first by from storage tank come phenol in iron mixer with
Potassium hydroxide, potassium carbonate and the mixing of a small amount of water, heating generate potassium phenate, are then delivered in autoclave, are heated under vacuum
130-140 DEG C, superfluous phenol and moisture are completely removed, dry phenol sylvite is obtained, and be passed through carbon dioxide, into carboxyl
Change reaction, because reacting acutely when beginning, reaction heat can be removed by cooling water, and late phase reaction weakens, and need external heating, temperature
Control reacts 6~8h at 180-210 DEG C.After reaction, carbon dioxide is removed, logical people hot water dissolving obtains para hydroxybenzene first
Sour potassium solution, solution decolourizes through wooden decoloration slot active carbon and zinc powder, after being filtered while hot with pressure filter, in wooden precipitation tank
P-hydroxybenzoic acid is precipitated with hydrochloric acid.
It can thus be seen that P-hydroxybenzoic acid needs to control preparation temperature in production, existing neutralization kettle is controlled in temperature
On can not realize well, need to make this improvement.
Summary of the invention
Purpose of the utility model is to solve can not control well when producing P-hydroxybenzoic acid in the prior art
The problem of reaction temperature, and a kind of P-hydroxybenzoic acid production neutralization kettle proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of P-hydroxybenzoic acid production neutralization kettle, including kettle is neutralized, stirring is installed on the roof for neutralizing kettle
Motor is equipped with mounting rod on the driving end of the stirring motor, and mounting rod through the roof for neutralizing kettle and extends to neutralization
The inside of kettle is equipped with stirring rod on the lateral wall of the mounting rod, and the downside for neutralizing kettle is equipped with base, the base
Roof is equipped with heater, and the outside of the heater is equipped with heat shield, and heat shield is located on base, the neutralization kettle side
Lateral wall on symmetrically plug there are two water cooling tube, and two water cooling tubes run through and neutralize kettle and extend to the outside for neutralizing kettle,
The both ends of two water cooling tubes are mounted on junction block, offer installing port, the installation on the inner sidewall for neutralizing kettle
The inside of mouth is equipped with temperature sensor, and stainless steel sealing plate is equipped in the opening of the installing port, described to neutralize the outer of kettle
Display screen is installed on side wall.
Preferably, single-chip microcontroller, the output end and monolithic of the temperature sensor are installed on the lateral wall for neutralizing kettle
The input terminal of machine is electrically connected, and the output end of the single-chip microcontroller is electrically connected with the input terminal of display screen, and the temperature sensor is
PT100 temperature sensor, the single-chip microcontroller are programmable 89S51 type.
Preferably, the base is made of ceramic material, and the heat shield is made of asbestos material.
Preferably, the four corners for neutralizing bottom wall are mounted on support rod.
Preferably, four junction blocks are respectively positioned on the downside for neutralizing kettle.
Preferably, feed inlet is offered on the roof for neutralizing kettle, and feed inlet is located at the side of stirring motor.
In the utility model, raw material is poured into and is neutralized in kettle, be powered to stirring motor, stirring rod is anti-inside kettle to neutralizing
It answers object to be stirred, improves reaction rate, temperature sensor detects the temperature neutralized inside kettle, and will by single-chip microcontroller
Temperature data is shown on a display screen, if temperature is excessively high, cold water is passed through into water cooling tube reduces the temperature of internal-response solution,
If temperature is too low, opens heater and heated to kettle internal solution is neutralized, reaction temperature is controlled with this.The utility model knot
Structure is simple, it is easy to accomplish, the temperature neutralized inside kettle is monitored by temperature sensor, is facilitated according to display data to anti-
It answers temperature to be controlled, while the uniformity that stirring structure improves temperature is set, be conducive to improve reaction rate.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of P-hydroxybenzoic acid production with neutralize kettle positive structure schematic；
Fig. 2 be the utility model proposes a kind of P-hydroxybenzoic acid production with neutralize kettle side structure schematic diagram.
In figure: in 1 and kettle, 2 stirring motors, 3 mounting rods, 4 stirring rods, 5 feed inlets, 6 support rods, 7 bases, 8 heaters,
9 heat shields, 10 water cooling tubes, 11 temperature sensors, 12 display screens, 13 junction blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, a kind of P-hydroxybenzoic acid production is neutralized and is pacified on the roof of kettle 1 with kettle, including neutralization kettle 1 is neutralized
Equipped with stirring motor 2, mounting rod 3 is installed, and mounting rod 3 through the roof for neutralizing kettle 1 and prolongs on the driving end of stirring motor 2
The inside for neutralizing kettle 1 is extended to, stirring rod 4 is installed on the lateral wall of mounting rod 3, neutralizes and offers feed inlet on the roof of kettle 1
5, and feed inlet 5 is located at the side of stirring motor 2, the four corners for neutralizing 1 bottom wall of kettle are mounted on support rod 6, neutralize under kettle 1
Side is equipped with base 7, and the roof of base 7 is equipped with heater 8, and the outside of heater 8 is equipped with heat shield 9, and heat shield 9 is located at pad
On seat 7, base 7 is made of ceramic material, and high temperature resistance is good, and heat shield 9 is made of asbestos material, good heat-insulation effect,
Water cooling tube 10 there are two symmetrically plugging on the lateral wall of 1 side of kettle is neutralized, and two water cooling tubes 10 through neutralization kettle 1 and extend
To the outside for neutralizing kettle 1, the both ends of two water cooling tubes 10 are mounted on junction block 13, and four junction blocks 13, which are respectively positioned on, neutralizes kettle 1
Downside, it is convenient to be passed through cold water with external water pipe, offer installing port, the inside of installing port on the inner sidewall of neutralization kettle 1
Temperature sensor 11 is installed, stainless steel sealing plate is installed in the opening of installing port, avoids Liquid Penetrant, neutralizes the outer of kettle 1
Display screen 12 is installed on side wall.
In the utility model, neutralizes and single-chip microcontroller, the output end and monolithic of temperature sensor 11 are installed on the lateral wall of kettle 1
The input terminal of machine is electrically connected, and the output end of single-chip microcontroller is electrically connected with the input terminal of display screen 12, and temperature sensor 11 is PT100 temperature
Sensor is spent, single-chip microcontroller is programmable 89S51 type.
In the utility model, raw material is poured into and is neutralized in kettle 1, be powered to stirring motor 2, inside 4 pairs of neutralization kettles 1 of stirring rod
Reactant be stirred, improve reaction rate, the temperature inside 11 pairs of neutralization kettles 1 of temperature sensor detects, and passes through
Single-chip microcontroller shows temperature data on the display 12, if temperature is excessively high, cold water is passed through into water cooling tube 10 reduces inside instead
The temperature of solution is answered, if temperature is too low, 8 pairs of 1 internal solutions of neutralization kettle of heater is opened and heats, reaction temperature is controlled with this
Degree.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of P-hydroxybenzoic acid production neutralization kettle, including neutralize kettle (1), it is characterised in that: the top for neutralizing kettle (1)
It is equipped with stirring motor (2), is equipped with mounting rod (3) on the driving end of the stirring motor (2), and mounting rod (3) passes through on wall
It wears the roof for neutralizing kettle (1) and extends to the inside for neutralizing kettle (1), stirring rod is installed on the lateral wall of the mounting rod (3)
(4), the downside for neutralizing kettle (1) is equipped with base (7), and the roof of the base (7) is equipped with heater (8), the heating
The outside of device (8) is equipped with heat shield (9), and heat shield (9) is located on base (7), on the lateral wall for neutralizing kettle (1) side
There are two symmetrically plugging water cooling tube (10), and two water cooling tubes (10) through neutralization kettle (1) and extend to the outer of neutralization kettle (1)
The both ends of side, two water cooling tubes (10) are mounted on junction block (13), offer peace on the inner sidewall for neutralizing kettle (1)
Mouth is filled, the inside of the installing port is equipped with temperature sensor (11), and stainless steel sealing is equipped in the opening of the installing port
Plate, it is described neutralize kettle (1) lateral wall on display screen (12) are installed.
2. a kind of P-hydroxybenzoic acid production neutralization kettle according to claim 1, it is characterised in that: the neutralization kettle
(1) single-chip microcontroller is installed, the output end of the temperature sensor (11) is electrically connected with the input terminal of single-chip microcontroller, institute on lateral wall
The output end for stating single-chip microcontroller is electrically connected with the input terminal of display screen (12), and the temperature sensor (11) is PT100 temperature sensing
Device, the single-chip microcontroller are programmable 89S51 type.
3. a kind of P-hydroxybenzoic acid production neutralization kettle according to claim 1, it is characterised in that: the base (7)
It is made of ceramic material, the heat shield (9) is made of asbestos material.
4. a kind of P-hydroxybenzoic acid production neutralization kettle according to claim 1, it is characterised in that: the neutralization kettle
(1) four corners of bottom wall are mounted on support rod (6).
5. a kind of P-hydroxybenzoic acid production neutralization kettle according to claim 1, it is characterised in that: four connectors
Pipe (13) is respectively positioned on the downside for neutralizing kettle (1).
6. a kind of P-hydroxybenzoic acid production neutralization kettle according to claim 1, it is characterised in that: the neutralization kettle
(1) it is offered on roof feed inlet (5), and feed inlet (5) is located at the side of stirring motor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334985.5U CN208320780U (en) | 2018-03-12 | 2018-03-12 | A kind of P-hydroxybenzoic acid production neutralization kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820334985.5U CN208320780U (en) | 2018-03-12 | 2018-03-12 | A kind of P-hydroxybenzoic acid production neutralization kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208320780U true CN208320780U (en) | 2019-01-04 |
Family
ID=64783053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820334985.5U Expired - Fee Related CN208320780U (en) | 2018-03-12 | 2018-03-12 | A kind of P-hydroxybenzoic acid production neutralization kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208320780U (en) |
-
2018
- 2018-03-12 CN CN201820334985.5U patent/CN208320780U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200312 |