CN109603727A - It is a kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle - Google Patents
It is a kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle Download PDFInfo
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- CN109603727A CN109603727A CN201811310059.5A CN201811310059A CN109603727A CN 109603727 A CN109603727 A CN 109603727A CN 201811310059 A CN201811310059 A CN 201811310059A CN 109603727 A CN109603727 A CN 109603727A
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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
- B01J19/0053—Details of the reactor
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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
- B01J19/0013—Controlling the temperature of the process
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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
- B01J19/24—Stationary reactors without moving elements inside
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
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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
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
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- Physical Or Chemical Processes And Apparatus (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle, including guide shell, collet water inlet, collet water outlet, water discharging valve, recirculated water valve, water pump, controller 1, heating water tank, air inlet pipe, electrically operated valve, water inlet pipe, outlet pipe, hot-water valve, inlet valve, chlorine inlet, gas distributor, feed pipe, liquid charging stock import, coil inlets, gas vent, safety valve, coil pipe water outlet, coil pipe, liquid outlet, temp-sensing device, reaction kettle ontology, sealing cover, sealing ring, installing port, collet and controller 2.Conversion ratio is too low when the reaction kettle leads to problems such as selectivity too low too low with reaction temperature using the automatic temp controller including collet and coil pipe come generation side reaction when avoiding reaction temperature excessively high, chlorine also is contacted more fully with phenol solution using gas distributor and guide shell simultaneously, is conducive to improve reaction efficiency when synthesis parachlorophenol.
Description
Technical field
The invention belongs to chemical equipment technical fields, and in particular to a kind of synthesis parachlorophenol temperature automatically controlled can react
Kettle.
Background technique
Parachlorophenol is a kind of important fine Organic Chemicals, is agriculturally mainly used for synthetic acaricide, removes
Careless agent, fungicide, rat poison, mould inhibitor, anti-picloram and plant growth promoter etc., can be used for closing in terms of dye industry
At Isosorbide-5-Nitrae-dihydroxy anthraquinone, Isosorbide-5-Nitrae-diamino-anthraquinone, p-aminophenol and quinhydrones etc., can be used for synthesizing 5- in terms of pharmaceutical sector
Chlorine-2-hydroxyl sodium benzoate, Chlorophibrinic Acid and other drugs have more wide application prospect.Parachlorophenol
Synthesis frequently with using phenol as the chlorine direct chlorination method of raw material.
Process units in the prior art be all using conventional reaction kettle, there is no for the reaction can be temperature automatically controlled
Reaction kettle.For example, 105906485 A of Chinese patent CN discloses process units and its production of a kind of high-purity parachlorophenol
Technique, the process units include reaction kettle, storage tank, destilling tower, rewinding tank, drainer, vacuum tower, separator, products pot；It should
The device of invention is able to produce out the parachlorophenol of high-purity, and high income, and pollution is also fewer, and the device is in logical chlorine
Pipeline is equipped with gas flowmeter, can effectively control the air inflow of gas, avoid deep reaction, be equipped at the top of reaction kettle
Temperature survey mouth is convenient for temperature detection, prevents side reaction brought by excessively high temperature, influence the purity and quality of product.In
108101750 A of state patent CN proposes a kind of high-purity parachlorophenol preparation process, including 1. chloride process: being with phenol
Raw material is first heated to liquid, then to pump quantitative force feed into enamel reaction still, in atmospheric conditions in the way of first quick and back slow
It is passed through chlorine, carries out chlorination reaction, the reaction time is 32~38h, obtains chlorophenol；2. rectification working process: chlorophenol is cooling
To 55~60 DEG C, composite extractant is then added, is sent into rectifying column is evaporated in vacuo together after mixing evenly, first in steam
Flow back 3~3.5h under the conditions of 0.3~0.35MPa of pressure, then in 68~73 DEG C of vacuum degree -0.096~0.098MPa, temperature items
Sampling analysis under part receives adjacent benzene chlorophenol；Then 115~120 DEG C of temperature, steam pressure 0.55MPa of adjusting, sampling analysis,
And parachlorophenol is received, the invention chlorophenol conversion ratio, yield as made from reasonable process modification all have significantly
It improves, and good separating effect, up to 99.4%, comprehensive quality is good for parachlorophenol, o-chlorphenol product purity, is suitble to industrialization
Production.In the prior art it is special can temperature automatically controlled reaction kettle for synthesizing parachlorophenol.
Summary of the invention
In view of the above-mentioned drawbacks of the prior art or insufficient, the object of the present invention is to provide a kind of synthesis to chlorobenzene
Phenol can temperature automatically controlled reaction kettle.
In order to solve the above technical problems, the technical scheme is that
A kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle, including guide shell (1), collet water inlet (2), collet go out
The mouth of a river (3), water discharging valve (4), recirculated water valve (5), water pump (6), controller 1 (7), heating water tank (9), air inlet pipe (11),
Electrically operated valve (12), water inlet pipe (13), outlet pipe (14), hot-water valve (15), inlet valve (16), chlorine inlet (17), gas
Body distributor (18), feed pipe (19), liquid charging stock import (20), coil inlets (21), gas vent (22), safety valve
(23), coil pipe water outlet (24), coil pipe (27), liquid outlet (28), temp-sensing device (29), reaction kettle ontology (30), sealing cover
(31), sealing ring (32), installing port (33), collet (34) and controller 2 (35), reaction kettle ontology (30) setting are sealing
The lower section for covering (31) is equipped with sealing ring (32) between the sealing cover (31) and reaction kettle ontology (30), the reaction kettle ontology
(30) upper left-hand is equipped with liquid charging stock import (20), and the liquid charging stock import (20) is connected to feed pipe (19), described
The outside of reaction kettle ontology (30) is equipped with collet (34), and the lower left side of the collet (34) is equipped with collet water inlet (2), the folder
The upper right for covering (34) is equipped with collet water outlet (3), the upper left-hand of the sealing cover (31) be equipped with coil inlets (21),
Gas vent (22) and two safety valves (23), the upper right of the sealing cover (31) is equipped with installing port (33) and coil pipe is discharged
Mouth (24), the temp-sensing device (29) are mounted in reaction kettle ontology (30) by installing port (33) insertion, the temp-sensing device
(29) it is electrically connected simultaneously with the input terminal of the input terminal of controller 1 (7) and controller 2 (35), the reaction kettle ontology (30)
Inside be equipped with guide shell (1), the guide shell (1) is the cylinder of upper and lower opening, guide shell (1) bottom and reaction kettle ontology
(30) direct tube section bottom flushes, which is lower than the height of reaction kettle ontology (30) interior reaction mass, is convenient for
Reaction mass forms recycle stream by guide shell (1) in reaction kettle, and the bottom of the reaction kettle ontology (30) is equipped with liquid outlet
(28) it is connected to chlorine inlet (17), described chlorine inlet (17) one end with air inlet pipe (11), the chlorine inlet (17) is another
The lower end of ring-like gas distributor (18) center internal with guide shell (1) is set to is held to be connected to, the air inlet pipe (11)
It is connected to by electrically operated valve (12) with chlorine pot, the output end and electrically operated valve (12) of the controller 2 (35) are electrically connected, just
In the working condition by controller 2 (35) control electrically operated valve (12), the gas distributor (18) and guide shell (1) bottom
It flushes, guarantees that bubble has sufficiently long motion path in reaction kettle, the coil pipe (27) hovers above on guide shell (1), the disk
Pipe (27) both ends are connected to coil inlets (21) and coil pipe water outlet (24) respectively, and the heating water tank (9) is set to reaction
The outside of kettle ontology (30), the heating water tank (9) are equipped with water outlet, water inlet end and circulation water inlet, the heating water tank (9)
It is internally provided with electric heater (8) and liquidometer (10), the liquidometer (10) is used to detect the liquid level feelings in heating water tank (9)
Condition, the controller 1 (7) are mounted on the outside of heating water tank (9), and the output end of the controller 1 (7) and electric heater (8)
It is electrically connected, convenient for passing through the working condition of controller 1 (7) control electric heater (8), the collet water inlet (2) and coil pipe
Water inlet (21) is connected to the output ends of water inlet pipe (13) simultaneously, the input terminal of the water inlet pipe (13) by hot-water valve (15) with
The output end of water pump (6) is connected to, the water outlet of input terminal connection heating water tank (9) of the water pump (6), the heating water tank
(9) water inlet end is connected to by inlet valve (16) with external water source, and the collet water outlet (3) and coil pipe water outlet (24) are same
The output end of the input terminal of Shi Liantong outlet pipe (14), the outlet pipe (14) leads to drainage position by water discharging valve (4), simultaneously
The circulation water inlet that the output end of the outlet pipe (14) passes through recirculated water valve (5) connection heating water tank (9).
Involved electrically operated valve (12) is commercially available；It can also be customized as needed to electrically operated valve specialized factory.
Involved controller 1 (7) and commercially available with controller 2 (35)；It can also be fixed to controller specialized factory as needed
System.
Involved heating water tank (9) is commercially available；It can also be customized as needed to heating water tank specialized factory.
Preferably, the synthesis parachlorophenol can temperature automatically controlled reaction kettle, wherein the gas distributor (18)
Diameter is uniformly provided with along the length direction of gas distribution pipe (25) to be 4~5mm and open up the round venthole (26) of direction upward.
Preferably, the synthesis parachlorophenol can temperature automatically controlled reaction kettle, wherein the sealing ring (32) is poly- four
Vinyl fluoride material.
Preferably, the synthesis parachlorophenol can temperature automatically controlled reaction kettle, wherein the guide shell (1), chlorine into
Mouth (17), gas distributor (18), liquid charging stock import (20), coil inlets (21), gas vent (22), safety valve
(23), coil pipe water outlet (24), coil pipe (27), liquid outlet (28), the measurement protection overcoat of temp-sensing device (29), reaction kettle ontology
(30), sealing cover (31) and installing port (33) are corrosion resistant special steel material, the ingredient of the corrosion resistant special steel
And mass percent are as follows: carbon 0.02%, chromium 16.5~17.5%, nickel 7%, copper 0.1%, tungsten 0.4%, niobium 0.5%, surplus are
Iron, the sum of the above components are 100%.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
1, it is of the present invention synthesis parachlorophenol can temperature automatically controlled reaction kettle use including collet and coil pipe automatic control
Warm device is stable to keep the temperature of reaction kettle body interior, and side reaction occurs when avoiding reaction temperature excessively high leads to selective mistake
The problems such as conversion ratio is too low when low and reaction temperature is too low, is conducive to controlled syntheses parachlorophenol.
2, it is of the present invention synthesis parachlorophenol can temperature automatically controlled reaction kettle dispersed by gas distributor input
Chlorine, and recycle stream is formed in reaction kettle by guide shell, it contacts chlorine more fully with phenol solution, is conducive to mention
Reaction efficiency when height synthesis parachlorophenol.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the distribution schematic diagram of gas distributor of the present invention.
In figure: 1. guide shells, 2. collet water inlets, 3. collet water outlets, 4. water discharging valves, 5. recirculated water valves, 6. water
Pump, 7. controller, 1,8. electric heater, 9. heating water tanks, 10. liquidometers, 11. air inlet pipe, 12. electrically operated valves, 13. water inlet pipes,
14. outlet pipe, 15. hot-water valves, 16. inlet valves, 17. chlorine inlets, 18. gas distributors, 19. feed pipes, 20. liquid
Material inlet, 21. coil inlets, 22. gas vents, 23. safety valves, 24. coil pipe water outlets, 25. gas distribution pipes, 26. outlets
Hole, 27. coil pipes, 28. liquid outlets, 29. temp-sensing devices, 30. reaction kettle ontologies, 31. sealing covers, 32. sealing rings, 33. installing ports,
34. collet, 35. controllers 2.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing
It is further to be described in detail.In the following description, descriptions of well-known structures and technologies are omitted, to avoid unnecessarily obscuring
Idea of the invention.
Refering to fig. 1, Fig. 2.It is a kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle, including guide shell (1), collet water inlet
Mouthful (2), collet water outlet (3), water discharging valve (4), recirculated water valve (5), water pump (6), controller 1 (7), heating water tank (9),
Air inlet pipe (11), electrically operated valve (12), water inlet pipe (13), outlet pipe (14), hot-water valve (15), inlet valve (16), chlorine
Import (17), gas distributor (18), feed pipe (19), liquid charging stock import (20), coil inlets (21), gas vent
(22), safety valve (23), coil pipe water outlet (24), coil pipe (27), liquid outlet (28), temp-sensing device (29), reaction kettle ontology
(30), sealing cover (31), sealing ring (32), installing port (33), collet (34) and controller 2 (35).The reaction kettle ontology
(30) it is arranged between the lower section of sealing cover (31), the sealing cover (31) and reaction kettle ontology (30) and is equipped with sealing ring (32),
The upper left-hand of the reaction kettle ontology (30) is equipped with liquid charging stock import (20), the liquid charging stock import (20) and feed pipe
(19) it is connected to, the outside of the reaction kettle ontology (30) is equipped with collet (34), and the lower left side of the collet (34) is equipped with collet
The upper right of water inlet (2), the collet (34) is equipped with collet water outlet (3), and the upper left-hand of the sealing cover (31) is equipped with
The upper right of coil inlets (21), gas vent (22) and two safety valves (23), the sealing cover (31) is equipped with installation
Mouth (33) and coil pipe water outlet (24), the temp-sensing device (29) are mounted on reaction kettle ontology (30) by installing port (33) insertion
Interior, which is electrically connected with the input terminal of the input terminal of controller 1 (7) and controller 2 (35) simultaneously, described anti-
The inside of kettle ontology (30) is answered to be equipped with guide shell (1), the guide shell (1) is the cylinder of upper and lower opening, guide shell (1) bottom
It is flushed with reaction kettle ontology (30) direct tube section bottom, which is lower than reaction kettle ontology (30) interior reactant
The height of material forms recycle stream, the bottom of the reaction kettle ontology (30) by guide shell (1) convenient for reaction mass in reaction kettle
Portion is equipped with liquid outlet (28) and chlorine inlet (17), and described chlorine inlet (17) one end is connected to air inlet pipe (11), the chlorine
The lower end of import (17) other end ring-like gas distributor (18) center internal with guide shell (1) is set to is connected to, institute
It states air inlet pipe (11) to be connected to by electrically operated valve (12) with chlorine pot, the output end and electrically operated valve of the controller 2 (35)
(12) it is electrically connected, convenient for passing through the working condition of controller 2 (35) control electrically operated valve (12), the gas distributor (18)
It is flushed with guide shell (1) bottom, guarantees that bubble has sufficiently long motion path in reaction kettle, the coil pipe (27), which hovers above, leads
In flow cartridge (1), which is connected to coil inlets (21) and coil pipe water outlet (24) respectively, the heating water tank
(9) it is set to the outside of reaction kettle ontology (30), which is equipped with water outlet, water inlet end and circulation water inlet, should
Heating water tank (9) is internally provided with electric heater (8) and liquidometer (10), and the liquidometer (10) is for detecting heating water tank
(9) level condition in, the controller 1 (7) are mounted on the outside of heating water tank (9), and the output end of the controller 1 (7)
With electric heater (8) be electrically connected, convenient for by controller 1 (7) control electric heater (8) working condition, the collet into
The mouth of a river (2) is connected to the output end of water inlet pipe (13) with coil inlets (21) simultaneously, and the input terminal of the water inlet pipe (13) passes through
Hot-water valve (15) is connected to the output end of water pump (6), the water outlet of input terminal connection heating water tank (9) of the water pump (6),
The water inlet end of the heating water tank (9) is connected to by inlet valve (16) with external water source, the collet water outlet (3) and coil pipe
Water outlet (24) is connected to the input terminal of outlet pipe (14) simultaneously, and the output end of the outlet pipe (14) is logical by water discharging valve (4)
To drainage position, while the output end of the outlet pipe (14) is entered by the recirculated water of recirculated water valve (5) connection heating water tank (9)
Mouthful.
Involved electrically operated valve (12) is commercially available；It can also be customized as needed to electrically operated valve specialized factory.
Involved controller 1 (7) and commercially available with controller 2 (35)；It can also be fixed to controller specialized factory as needed
System.
Involved heating water tank (9) is commercially available；It can also be customized as needed to heating water tank specialized factory.
Preferably, the synthesis parachlorophenol can temperature automatically controlled reaction kettle, wherein the gas distributor (18)
Diameter is uniformly provided with along the length direction of gas distribution pipe (25) to be 4~5mm and open up the round venthole (26) of direction upward.
Preferably, the synthesis parachlorophenol can temperature automatically controlled reaction kettle, wherein the sealing ring (32) is poly- four
Vinyl fluoride material.
Preferably, the synthesis parachlorophenol can temperature automatically controlled reaction kettle, wherein the guide shell (1), chlorine into
Mouth (17), gas distributor (18), liquid charging stock import (20), coil inlets (21), gas vent (22), safety valve
(23), coil pipe water outlet (24), coil pipe (27), liquid outlet (28), the measurement protection overcoat of temp-sensing device (29), reaction kettle ontology
(30), sealing cover (31) and installing port (33) are corrosion resistant special steel material, the ingredient of the corrosion resistant special steel
And mass percent are as follows: carbon 0.02%, chromium 16.5~17.5%, nickel 7%, copper 0.1%, tungsten 0.4%, niobium 0.5%, surplus are
Iron, the sum of the above components are 100%.
The operation principle of the present invention is that: feed pipe (19) and liquid charging stock import (20) are first passed through toward reaction kettle ontology (30)
Inject a certain amount of phenol solution containing catalyst；Then inlet valve (16) are opened, injection is a certain amount of into heating water tank (9)
Water after close inlet valve (16), water discharging valve (4)；Then hot-water valve (15) and recirculated water valve (5) are successively opened, is opened
Dynamic water pump (6), starting electric heater (8) are warming up to required temperature；Finally start electrically operated valve (12), make chlorine by chlorine into
Mouth (17) and gas distributor (18) enter in reaction kettle, and chlorine and phenol solution are in gas distributor (18) and guide shell (1)
With the help of come into full contact with, reacted in the presence of a catalyst.The hydrogen chloride gas that reaction generates passes through reaction kettle top
Gas vent (22) drain into gas absorption equipment, the liquid reacting product of generation is discharged on demand from liquid outlet (28).Chlorine
Category exothermic reaction is reacted with phenol, with the progress of reaction, material in reactor temperature is gradually risen, can pass through controller
1 (7) and controller 2 (35) are adjusted, and control reaction temperature between 50~85 DEG C.When temp-sensing device (29) detects reaction
When kettle ontology (30) internal temperature is less than or equal to lower set temperature 1 (such as 55 DEG C), temperature signal is passed into controller 1
(7) and controller 2 (35), so that electric heater (8) and electrically operated valve (12) are kept it turned on.When temp-sensing device (29) are examined
When measuring reaction kettle ontology (30) internal temperature higher than set temperature 1, temperature signal is passed to controller 1 by temp-sensing device (29)
(7), after controller 1 (7) receives the temperature signal, circulation in reaction kettle coil pipe is reduced by powering off to electric heater (8)
The temperature of medium water.When temp-sensing device (29) further detects that reaction kettle ontology (30) internal temperature is higher than higher setting temperature
Spend 2 (such as 65 DEG C) when, after controller 2 (35) receives the temperature signal, by close electrically operated valve (12) come prevent chlorine with
The generation of exothermic reaction between phenol, to reduce the temperature of solution in reaction kettle ontology.Hot-water valve is kept after reaction
(15) open state opens inlet valve (16), water discharging valve (4), is then shut off recirculated water valve (5), electrically operated valve (12)
After being cooled down with electric heater (8), liquid reacting product is taken out from the liquid outlet (28) of reaction kettle ontology (30) bottom.
After reaction 30 hours, gas chromatographic analysis, phenol conversion 98.62%, parachlorophenol are carried out to reaction product
Ratio with o-chlorphenol is 57:43, and the mass percent of m-Chlorophenol is less than 1%.
The above description is merely a specific embodiment, is not intended to restrict the invention.It is any to be familiar with this technology neck
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by the technical staff in domain, should all cover in the present invention
Protection scope within.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (4)
1. it is a kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle, including guide shell (1), collet water inlet (2), collet water outlet
Mouth (3), water discharging valve (4), recirculated water valve (5), water pump (6), controller 1 (7), heating water tank (9), air inlet pipe (11), electricity
Movable valve (12), water inlet pipe (13), outlet pipe (14), hot-water valve (15), inlet valve (16), chlorine inlet (17), gas
Distributor (18), feed pipe (19), liquid charging stock import (20), coil inlets (21), gas vent (22), safety valve
(23), coil pipe water outlet (24), coil pipe (27), liquid outlet (28), temp-sensing device (29), reaction kettle ontology (30), sealing cover
(31), sealing ring (32), installing port (33), collet (34) and controller 2 (35), it is characterised in that: the reaction kettle ontology
(30) it is arranged between the lower section of sealing cover (31), the sealing cover (31) and reaction kettle ontology (30) and is equipped with sealing ring (32),
The upper left-hand of the reaction kettle ontology (30) is equipped with liquid charging stock import (20), the liquid charging stock import (20) and feed pipe
(19) it is connected to, the outside of the reaction kettle ontology (30) is equipped with collet (34), and the lower left side of the collet (34) is equipped with collet
The upper right of water inlet (2), the collet (34) is equipped with collet water outlet (3), and the upper left-hand of the sealing cover (31) is equipped with
The upper right of coil inlets (21), gas vent (22) and two safety valves (23), the sealing cover (31) is equipped with installation
Mouth (33) and coil pipe water outlet (24), the temp-sensing device (29) are mounted on reaction kettle ontology (30) by installing port (33) insertion
Interior, which is electrically connected with the input terminal of the input terminal of controller 1 (7) and controller 2 (35) simultaneously, described anti-
The inside of kettle ontology (30) is answered to be equipped with guide shell (1), the guide shell (1) is the cylinder of upper and lower opening, guide shell (1) bottom
It is flushed with reaction kettle ontology (30) direct tube section bottom, which is lower than reaction kettle ontology (30) interior reactant
The height of material forms recycle stream, the bottom of the reaction kettle ontology (30) by guide shell (1) convenient for reaction mass in reaction kettle
Portion is equipped with liquid outlet (28) and chlorine inlet (17), and described chlorine inlet (17) one end is connected to air inlet pipe (11), the chlorine
The lower end of import (17) other end ring-like gas distributor (18) center internal with guide shell (1) is set to is connected to, institute
It states air inlet pipe (11) to be connected to by electrically operated valve (12) with chlorine pot, the output end and electrically operated valve of the controller 2 (35)
(12) it is electrically connected, convenient for passing through the working condition of controller 2 (35) control electrically operated valve (12), the gas distributor (18)
It is flushed with guide shell (1) bottom, guarantees that bubble has sufficiently long motion path in reaction kettle, the coil pipe (27), which hovers above, leads
In flow cartridge (1), which is connected to coil inlets (21) and coil pipe water outlet (24) respectively, the heating water tank
(9) it is set to the outside of reaction kettle ontology (30), which is equipped with water outlet, water inlet end and circulation water inlet, should
Heating water tank (9) is internally provided with electric heater (8) and liquidometer (10), and the liquidometer (10) is for detecting heating water tank
(9) level condition in, the controller 1 (7) are mounted on the outside of heating water tank (9), and the output end of the controller 1 (7)
With electric heater (8) be electrically connected, convenient for by controller 1 (7) control electric heater (8) working condition, the collet into
The mouth of a river (2) is connected to the output end of water inlet pipe (13) with coil inlets (21) simultaneously, and the input terminal of the water inlet pipe (13) passes through
Hot-water valve (15) is connected to the output end of water pump (6), the water outlet of input terminal connection heating water tank (9) of the water pump (6),
The water inlet end of the heating water tank (9) is connected to by inlet valve (16) with external water source, the collet water outlet (3) and coil pipe
Water outlet (24) is connected to the input terminal of outlet pipe (14) simultaneously, and the output end of the outlet pipe (14) is logical by water discharging valve (4)
To drainage position, while the output end of the outlet pipe (14) is entered by the recirculated water of recirculated water valve (5) connection heating water tank (9)
Mouthful.
2. as described in claim 1 synthesis parachlorophenol can temperature automatically controlled reaction kettle, which is characterized in that the gas distribution
Device (18) is uniformly provided with diameter along the length direction of gas distribution pipe (25) and is 4~5mm and opens up the round venthole of direction upward
(26)。
3. as described in claim 1 synthesis parachlorophenol can temperature automatically controlled reaction kettle, which is characterized in that the sealing ring (32)
For polytetrafluoroethylene (PTFE) material.
4. as described in claim 1 synthesis parachlorophenol can temperature automatically controlled reaction kettle, which is characterized in that the guide shell (1),
Chlorine inlet (17), gas distributor (18), liquid charging stock import (20), coil inlets (21), gas vent (22), safety
Valve (23), coil pipe water outlet (24), coil pipe (27), liquid outlet (28), the measurement protection overcoat of temp-sensing device (29), reaction kettle sheet
Body (30), sealing cover (31) and installing port (33) are corrosion resistant special steel material, the corrosion resistant special steel at
Point and mass percent are as follows: carbon 0.02%, chromium 16.5~17.5%, nickel 7%, copper 0.1%, tungsten 0.4%, niobium 0.5%, surplus are
Iron, the sum of the above components are 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310059.5A CN109603727A (en) | 2018-10-23 | 2018-10-23 | It is a kind of synthesis parachlorophenol can temperature automatically controlled reaction kettle |
Applications Claiming Priority (1)
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