CN109692646B - Thermal halogenation reactor - Google Patents
Thermal halogenation reactor Download PDFInfo
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- CN109692646B CN109692646B CN201910028998.9A CN201910028998A CN109692646B CN 109692646 B CN109692646 B CN 109692646B CN 201910028998 A CN201910028998 A CN 201910028998A CN 109692646 B CN109692646 B CN 109692646B
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- 238000005658 halogenation reaction Methods 0.000 title claims abstract description 29
- 230000026030 halogenation Effects 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 96
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 43
- 238000002955 isolation Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 229920001973 fluoroelastomer Polymers 0.000 claims description 5
- 244000126211 Hericium coralloides Species 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract description 10
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 10
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052794 bromium Inorganic materials 0.000 abstract description 10
- 229910052801 chlorine Inorganic materials 0.000 abstract description 10
- 239000000460 chlorine Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract description 3
- 230000031709 bromination Effects 0.000 abstract description 2
- 238000005893 bromination reaction Methods 0.000 abstract description 2
- 238000005660 chlorination reaction Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000039 hydrogen halide Inorganic materials 0.000 description 2
- 239000012433 hydrogen halide Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention relates to the technical field of equipment for chlorination and bromination, in particular to a thermal halogenation reactor, and more particularly relates to a reactor for reacting chlorine and bromine with organic matters after high-temperature heating. The reaction zone of the thermal halogenation reactor adopts a high-purity quartz glass material reactor with good chlorine and bromine tolerance and clean surface under high temperature, and non-heating areas such as non-reaction area and end socket joints adopt lining tetrafluoroethylene and glass lining corrosion-resistant medium, and the end socket is externally provided with a cooling jacket and is low in inlet and high out. The end socket inlet and outlet flange is connected with the process pipeline through a tetrafluoro-metal-lined corrugated hose, one end of the tetrafluoro-metal-lined corrugated hose joint flange is fixed, and the looper flange is adopted at one end, so that certain degrees of freedom are ensured for the end socket connection and the thermal expansion.
Description
Technical Field
The invention relates to the technical field of equipment for chlorination and bromination, in particular to a thermal halogenation reactor, and more particularly relates to a reactor for reacting chlorine and bromine with organic matters after high-temperature heating.
Background
Many important organic intermediates and synthetic drugs containing chlorine, bromine and other elements are obtained through thermal halogenation reaction. Halogenation reactions are generally divided into two types: one is the reaction of an organic substance with hydrogen halide and the other is the reaction of an organic substance with elemental halogen.
The reaction of the organic material with the hydrogen halide is mainly carried out in a solvent, which generates a large amount of waste liquid and waste material. The reaction of organic matters and halogen simple substances is carried out at high temperature, but the materials which can resist chlorine and bromine are very few and the price is high at the temperature of more than 350 ℃, especially more than 500 ℃; the halogenated byproducts also have a certain influence on the purity of the product, so that the difficulty of product separation is increased, and the application range of the high-purity product is even limited.
The conventional metal materials such as nickel, stainless steel and the like are generally adopted in the conventional halogenation reaction device, and the defects of poor tolerance of chlorine and bromine in a high-temperature environment, high corrosion rate of the metal materials, high thermal expansion rate, high loss rate, short service life, high pressure intolerance, more byproduct impurities and influence on the product quality exist; in addition, the quartz glass of the metal material and the non-metal material is not easy to connect, cannot be pressed by a high-strength bolt, has poor sealing and is easy to leak; thereby the reaction device has low utilization rate and short service life, and frequent shutdown is required.
Disclosure of Invention
The invention aims to provide a thermal halogenation reactor, wherein a reaction zone of the thermal halogenation reactor adopts a high-purity quartz glass material reactor with good chlorine and bromine tolerance and clean surface under high temperature, a non-heating zone such as a non-reaction zone and a joint of a sealing head adopts a corrosion-resistant medium lined with tetrafluoroethylene and glass lining, and the sealing head is externally provided with a cooling jacket and is low in inlet and outlet. The end socket inlet and outlet flange is connected with the process pipeline through a tetrafluoro-metal-lined corrugated hose, one end of the tetrafluoro-metal-lined corrugated hose joint flange is fixed, and the looper flange is adopted at one end, so that certain degrees of freedom are ensured for the end socket connection and the thermal expansion.
The technical scheme of the invention is as follows:
The thermal halogenation reactor comprises a reaction tube, an end socket, a heater and an external isolation protection box body, and is characterized in that the end socket is sleeved at a port of the reaction tube, a sealing part is arranged at the outer sides of the wall of the end socket and the reaction tube, a fluororubber pad is arranged between the end socket and the port contact surface of the reaction tube, the end socket is provided with an inlet and outlet flange, and the inlet and outlet flange is used for being connected with an external process pipeline through a lining tetrafluoro metal corrugated hose; a cooling jacket is arranged outside the sealing head, a thermometer protection sleeve is arranged inside the reaction tube, a temperature measuring element is arranged in the thermometer protection sleeve, and the temperature measuring element is connected with a temperature controller; the reaction tube is divided into a non-reaction area and a reaction area, the non-reaction area is a part sleeved with the sealing head, the rest part is the reaction area, and a heating part is arranged at the outer wall corresponding to the reaction area of the reaction tube.
The present invention is also characterized in that,
The heating mode of the heating component is heat radiation, and the heating component is electric furnace heating or electromagnetic heater. Wherein, electromagnetic heater includes: electromagnetic heating coil, metal heating tube. The metal heating pipe is any one of carbon steel, stainless steel and Meng Naier.
The reaction tube is a bulb tube type quartz glass reaction tube, is made of quartz glass, and has the characteristics of high temperature resistance, low thermal expansion coefficient, good thermal shock resistance, good electrical insulation performance and the like.
The sealing component is comb tooth sealing or polytetrafluoroethylene filler sealing.
The end socket is sleeved on the port of the reactor through an end socket welding flange, and the end socket welding flange and a reaction tube flange sleeved on the outer wall of the reaction tube are pre-tightened through a flange connecting bolt; further preferably, a spring is arranged on the bolt between the end socket welding flange and the nut.
A thermal insulation material is also arranged between the wall of the reaction tube and the sealing member. A cavity between the sealing head and the quartz glass reaction tube is filled with a tetrafluoro sealing filler; before filling the filler, a heat insulating material such as mica tape, silicon aluminum fiber or thin mineral rock wool is wound on a quartz glass reaction tube slightly longer than the end socket in size.
And the sealing head is lined with polytetrafluoroethylene or glass lining corrosion-resistant medium.
The lower end of the sealing head is provided with a fixed bracket, and the lower end of the heating component is provided with a fixed bracket.
A refractory block is placed between the reaction tube and the heating element, and further preferably, the refractory block is an arc type refractory block.
The outer isolation protection box body is provided with two glass windows, the top of the outer isolation protection box body is provided with a box body ventilation inlet and a box body ventilation outlet, fresh air can be conveyed to the space, and the generated harmful gas is pumped to a purification treatment procedure.
The thermometer protection sleeve is made of quartz glass, and the thermometer protection sleeve extending into the reactor is a closed blind end.
Before the quartz glass reaction tube is installed, a reaction tube flange is sleeved in, and the flange welded with the seal head is connected through a flange connecting bolt; one end of the bolt is provided with a spring, and the sealing part between the sealing head and the quartz glass is regulated and pressed by slowly fastening the nut pressed on the spring, so that the effect of strengthening the sealing and dispersing and balancing the stress of each bolt is achieved.
The working process of the thermal halogenation reactor comprises the following steps:
The material after the premixing in the molar ratio enters the sealing head and a non-reaction area near the sealing head through a lining tetrafluoro metal corrugated hose, and the non-reaction area is provided with a high-temperature resistant heat insulation material and a cooling jacket cooling measure to ensure that the lining corrosion resistant material of the sealing head is in the range of the allowable working temperature. Further, the material enters the residence time initiation zone, i.e., the reaction tube reaction zone. The heating mode adopts an electric furnace heating mode or an electromagnetic sleeve heating mode, a heater is started, a heating target temperature is set through a power adjustable temperature controller, and the actual temperature of a reactor cavity is observed and recorded. As the temperature increases, the raw materials start to react and generate target products, and flow into the non-reaction area at the other end of the reaction tube in a plug flow mode in the reaction tube. The structure, the type and the material selection of the non-reaction areas at the two ends are consistent.
The thermal halogenation reactor of the invention uses the heating component to provide the heat source to make the inside of the reaction tube reach the reaction temperature of 300-1000 ℃, and the halogen (chlorine and bromine) completes the halogenation reaction with the reactant in the reaction tube to synthesize the target product.
Compared with the prior art, the invention has the following advantages:
The thermal halogenation reactor has good high-temperature chlorine and bromine tolerance, and overcomes the defects of high corrosion rate, short service life, more byproduct impurities and influence on product quality of common metal materials; aiming at the difficulties that the brittleness of the quartz glass flange is large, the sealing gasket between the quartz flange and the metal flange cannot be pressed by adopting high-strength bolts, the structure type of connecting the sealing head and the original process pipeline flange is creatively designed, and the sealing reliability of equipment is ensured; the comb teeth seal or polytetrafluoroethylene filler seal structure adopted between the seal head part of the non-reaction area and the quartz glass reaction tube ensures the sealing performance of equipment and the low leakage rate of the process, optimizes the defect of high leakage rate of the ball mouth connection or the horn mouth connection of the conventional quartz glass reaction tube, and greatly improves the operation environment and the occupational health of operators; the heat insulating material and the low-inlet high-outlet cooling measures adopted by the end socket part solve the problem that lining media such as non-metallic materials polytetrafluoroethylene, glass lining and the like which are resistant to corrosion of chlorine and bromine are also not resistant to high temperature. Meanwhile, the whole reaction tube is partially arranged in the external isolation protection box body, so that high-temperature process media generated by sudden conditions such as reaction tube breakage and the like are effectively isolated, and secondary injuries generated by the sudden conditions are avoided.
The structural style of the thermal halogenation reaction effectively reduces the reaction accident rate, provides good sealing conditions, greatly improves the operation environment, solves the defects of high shutdown rate, difficult operation, poor environment and the like of the high-temperature halogenation reaction, realizes continuous production, avoids and reduces the shutdown rate, reduces the time cost, the energy consumption cost and the maintenance cost of industrial production, thereby improving the production profit, simultaneously effectively and uniformly collecting and purifying harmful media discharged in an unorganized way, greatly improving the production environment and avoiding the discharge of dangerous gases.
Drawings
FIG. 1 is a schematic diagram of a thermal halogenation reactor;
FIG. 2 is a close-up partial anatomic view of a thermal halogenation reactor;
FIG. 3 is a front view of a bead flange of a thermal halogenation reactor;
FIG. 4 is a cross-sectional view of a bead flange of a thermal halogenation reactor.
1. Reaction tube, 2, heating component, 3, flange connecting bolt, 4, spring, 5, head, 6, cooling jacket, 7, fluororubber pad, 8, inlet and outlet flange, 9, temperature controller, 10, fixed bracket, 11, refractory pad, 13, thermometer protecting sleeve, 14, inner lining tetrafluoro metal corrugated hose, 15, outer isolating protecting box, 16, window, 17, box ventilating outlet, 18, box ventilating inlet, 19-polytetrafluoroethylene filler, 20-heat insulating material, 21-temperature measuring element, 22-head welding flange, 23-reaction tube flange.
Detailed Description
The invention will be further described with reference to specific embodiments, and advantages and features of the invention will become apparent from the description. The embodiments are merely exemplary and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes and substitutions of details and forms of the technical solution of the present invention may be made without departing from the spirit and scope of the present invention, but these changes and substitutions fall within the scope of the present invention.
Example 1A thermal halogenation reactor
As shown in fig. 1, 2 and 3, the reactor comprises a bulb-tube type quartz glass reaction tube 1, a seal head 5, a heater 2 and an external isolation protection box body 15. The end enclosure 5 is sleeved at the port of the reaction tube 1, polytetrafluoroethylene filler 19 is adopted between the bulb-mouth tube type quartz glass reaction tube 1 and the end enclosure 5, and a fluororubber pad 7 is adopted at the contact surface of the end enclosure and the port of the reaction tube; the seal head welding flange and the reaction tube flange are pre-tightened through the flange connecting bolts 3, and the sealing part is compacted, so that the sealing reinforcing effect is achieved. And a spring 4 is arranged on the bolt between the end socket welding flange 22 and the nut, so that the stress of the bolt is dispersed and balanced. The end closure 5 is lined with polytetrafluoroethylene or glass-lined corrosion-resistant medium, and the corresponding reactor length is wrapped with insulation 20. A cooling jacket 6 is arranged outside the sealing head 5, and cooling circulating water is introduced to cool the non-reaction area. The reaction area inside the reactor is provided with a thermometer protecting sleeve 13 made of quartz glass, and a temperature measuring element 21 is extended into the area to measure the temperature of the inner chamber. The temperature signal measured by the temperature measuring element 21 is input to the power adjustable temperature controller 9, and the power adjustment of the input power of the heating component 2 is completed by the power adjustable temperature controller 9 so as to maintain the stability of the temperature required by the process. The closure head 5 maintains its stability by using a fixing bracket 10. If the reaction tube is long, a refractory block 11 may be placed between the quartz glass reaction tube and the heating member every 1 meter. The heating part also adopts a fixed bracket 10, and maintains a heat radiation gap of 5-50mm between the heating part and the reaction tube.
The thermometer protection sleeve 13 is embedded on the seal head 5, and is sealed by using comb-tooth type sealing sleeve rings or tetrafluoroethylene belts and high temperature resistant glue, and the length of the thermometer protection sleeve is preferably extended into the reaction heating area.
The refractory block 11 is an arc type refractory block.
The inlet and outlet flanges of the sealing head 5 are connected with the external process pipeline through a tetrafluoro-lined metal corrugated hose 14. The inner liner tetrafluoro metal bellows 14 has a certain flexibility and freedom to prevent pipe and equipment stresses from damaging the reactor.
The equipment outer isolation protection box 15 is used as a buffer isolation space of the reaction tube in a sudden accident state, and the outer isolation protection box 15 is installed in a spliced and detachable mode. The outer isolation protection box body 15 is provided with two glass windows 16, so that the internal condition can be conveniently observed, the top is provided with a box body ventilation inlet 17 and a box body ventilation outlet 18, fresh air can be conveyed to the space, and the generated harmful gas is pumped to a purification treatment procedure.
Example 2A thermal halogenation reactor
Unlike example 1, in this example, comb teeth seal was used between the bulb-type quartz glass reaction tube 1 and the closure head 5.
The groove matched with the specification of the ball port of the reaction tube is arranged in the seal head, so that the concentricity of the reaction tube and the seal head is ensured. The connecting piece between the sealing head and the process metal pipeline is a metal corrugated hose lined with tetrafluoro, so that a certain free activity allowance is ensured, and the stress generated by heating expansion of the reaction tube is released.
The two ends of the reaction tube are ball openings, and are divided into a reaction area and a non-reaction area. And calculating the residence time of the materials and the size of the reaction tube according to the process flow, wherein the size region corresponding to the residence time is a reaction region, and the other regions are non-reaction regions.
One side of the sealing head 5 is provided with a material inlet and outlet flange 8, and the other side is welded with a sealing head welding flange 22 with the specification matched with the specification of the ball mouth of the reactor. An aluminum reaction tube flange matched with a ball port of the reaction tube is sleeved on the reaction tube in advance, the depth of the seal head is measured, and a heat insulation material is wound on the outer wall of the reactor according to the size, wherein the thickness is 2-5mm; and then the tetrafluoro packing is wound outside the heat insulating material. The vulcanized fluororubber pad is arranged in the sealing head, the sealing head is slowly sleeved on the reaction tube, and the cavity between the sealing head and the reaction tube is filled with polytetrafluoroethylene filler 19. After the work is completed, the aluminum reaction tube flange is internally provided with a half moon ring and is connected with the seal head through bolts. The bolts are arranged at two sides of the flange, one end of each bolt is connected with a spring 4 in series, and the other end of each bolt is provided with a nut. The stress of the circumferential flange is ensured to be uniform and consistent by tightening the nuts and the spring.
Claims (6)
1. The thermal halogenation reactor comprises a reaction tube, an end socket, a heater and an external isolation protection box body, and is characterized in that the end socket is sleeved at a port of the reaction tube, a sealing part is arranged at the outer sides of the wall of the end socket and the reaction tube, a fluororubber pad is arranged between the end socket and the port contact surface of the reaction tube, the end socket is provided with an inlet and outlet flange, and the inlet and outlet flange is used for being connected with an external process pipeline through a lining tetrafluoro metal corrugated hose; a cooling jacket is arranged outside the sealing head, a thermometer protection sleeve is arranged inside the reaction tube, a temperature measuring element is arranged in the thermometer protection sleeve, and the temperature measuring element is connected with a temperature controller; the reaction tube is divided into a non-reaction area and a reaction area, wherein the non-reaction area is a part sleeved with the sealing head, the rest part is the reaction area, and a heating part is arranged at the outer wall corresponding to the reaction area of the reaction tube; the end socket is sleeved on the port of the reactor through an end socket welding flange, and the end socket welding flange and a reaction tube flange sleeved on the outer wall of the reaction tube are pre-tightened through a flange connecting bolt; a spring is arranged on a bolt between the end socket welding flange and the nut; the reaction tube is a bulb-mouth tube type quartz glass reaction tube; the sealing component is comb tooth sealing or polytetrafluoroethylene filler sealing; and a heat insulating material is further arranged between the wall of the reaction tube and the sealing part, the outer isolation protection box body is provided with two glass windows, and the top of the outer isolation protection box body is provided with a box body ventilation inlet and a box body ventilation outlet.
2. The thermal halogenation reactor of claim 1 characterized in that the heating means is an electric furnace or an electromagnetic heater.
3. The thermal halogenation reactor according to claim 1, characterized in that the heat insulating material is selected from any one of mica tape, silica alumina fiber or thin mineral rock wool.
4. The thermal halogenation reactor of claim 1 characterized in that the head is lined with polytetrafluoroethylene or glass lined corrosion resistant medium.
5. The thermal halogenation reactor according to claim 1, characterized in that a fixing bracket is arranged at the lower end of the seal head, and a fixing bracket is arranged at the lower end of the heating component; a refractory block is placed between the reaction tube and the heating element, the refractory block being an arc type refractory block.
6. The thermal halogenation reactor according to claim 1, characterized in that the thermometer protection sleeve is made of quartz glass and the thermometer protection sleeve extending into the reactor interior is a closed blind end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028998.9A CN109692646B (en) | 2019-01-12 | 2019-01-12 | Thermal halogenation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028998.9A CN109692646B (en) | 2019-01-12 | 2019-01-12 | Thermal halogenation reactor |
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| Publication Number | Publication Date |
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| CN109692646A CN109692646A (en) | 2019-04-30 |
| CN109692646B true CN109692646B (en) | 2024-04-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537327A (en) * | 2009-04-29 | 2009-09-23 | 太原理工大学 | Fixed bed reactor |
| CN201701925U (en) * | 2010-06-13 | 2011-01-12 | 大连四方佳特流体设备有限公司 | Temperature-control parallel reactor |
| CN108993346A (en) * | 2018-08-10 | 2018-12-14 | 山东重山光电材料股份有限公司 | A kind of anion bromination reactor and its application |
| CN210009969U (en) * | 2019-01-12 | 2020-02-04 | 山东重山光电材料股份有限公司 | Thermal halogenation reactor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973621B (en) * | 2010-10-15 | 2012-03-28 | 西安交通大学 | Baffling tank type supercritical water treatment reactor with sacrificial lining |
-
2019
- 2019-01-12 CN CN201910028998.9A patent/CN109692646B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537327A (en) * | 2009-04-29 | 2009-09-23 | 太原理工大学 | Fixed bed reactor |
| CN201701925U (en) * | 2010-06-13 | 2011-01-12 | 大连四方佳特流体设备有限公司 | Temperature-control parallel reactor |
| CN108993346A (en) * | 2018-08-10 | 2018-12-14 | 山东重山光电材料股份有限公司 | A kind of anion bromination reactor and its application |
| CN210009969U (en) * | 2019-01-12 | 2020-02-04 | 山东重山光电材料股份有限公司 | Thermal halogenation reactor |
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| CN109692646A (en) | 2019-04-30 |
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