CN208320780U - A kind of P-hydroxybenzoic acid production neutralization kettle - Google Patents

A kind of P-hydroxybenzoic acid production neutralization kettle Download PDF

Info

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
Authority
CN
China
Prior art keywords
kettle
neutralizing
hydroxybenzoic acid
acid production
neutralization
Prior art date
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.)
Expired - Fee Related
Application number
CN201820334985.5U
Other languages
Chinese (zh)
Inventor
赵洪峰
付学斌
曹振海
陈玉贤
崔文生
唐雪婷
刘珊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shangqiu Haotian Environmental Protection Machinery Equipment Co Ltd
Original Assignee
Shangqiu Haotian Environmental Protection Machinery Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shangqiu Haotian Environmental Protection Machinery Equipment Co Ltd filed Critical Shangqiu Haotian Environmental Protection Machinery Equipment Co Ltd
Priority to CN201820334985.5U priority Critical patent/CN208320780U/en
Application granted granted Critical
Publication of CN208320780U publication Critical patent/CN208320780U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

A kind of P-hydroxybenzoic acid production neutralization kettle
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).
CN201820334985.5U 2018-03-12 2018-03-12 A kind of P-hydroxybenzoic acid production neutralization kettle Expired - Fee Related CN208320780U (en)

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)

Similar Documents

Publication Publication Date Title
CN212142624U (en) Reation kettle steam heating device
CN208320780U (en) A kind of P-hydroxybenzoic acid production neutralization kettle
CN211412008U (en) Magnesium oxide preparation magnesium hydroxide device
CN213698849U (en) Concentrated drying device of bright bamboo juice extract product of continuous type
CN213528616U (en) Hydrolysis reaction kettle with constant temperature heat preservation function
CN213222143U (en) Preparation facilities of strong heat-resistant anti UV hot melt adhesive
CN207581772U (en) A kind of complete Brewing equipment of automation
CN205412995U (en) Reation kettle is used in preparation of controllable temperature type inhibition antisludging agent
CN206289198U (en) A kind of filtering storage system in the production for trimethylolpropane
CN208432100U (en) A kind of Thermal Equipment cement kiln heat preservation mechanism
CN209791308U (en) Self-circulation dissolving device for solid crystals
CN208356753U (en) A kind of coal chemical industry reaction kettle
CN219272199U (en) Crystallization equipment for production of pyriftalid technical
CN209005646U (en) Polyester pulp feeds tank tank skin anti-caking block assembly
CN209302231U (en) A kind of chemical reagent preparation crystallization precipitation device
CN109569483A (en) A kind of new and effective hydrolysis kettle
CN214514570U (en) Synthetic reation kettle of 2-amino-2-phenylbutyric acid
CN214051590U (en) Temperature control device of reaction equipment
CN205361342U (en) Air -cooled condensing equipment of gaseous heat transfer of reation kettle low boiling
CN219958110U (en) Device for automatically controlling reaction temperature in polyaluminium chloride reactor
CN205199507U (en) Reation kettle of white ball of production resin intermediate
CN208894206U (en) A kind of digital display pyroreaction kettle
CN209507614U (en) The energy saving reactor of iron oxide black preparation
CN215693988U (en) Temperature control type stirring type reaction kettle
CN216125636U (en) Enamel reaction kettle with preheating function

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