CN220803155U - Reactor for producing tetrachloroethylene - Google Patents
Reactor for producing tetrachloroethylene Download PDFInfo
- Publication number
- CN220803155U CN220803155U CN202321941518.6U CN202321941518U CN220803155U CN 220803155 U CN220803155 U CN 220803155U CN 202321941518 U CN202321941518 U CN 202321941518U CN 220803155 U CN220803155 U CN 220803155U
- Authority
- CN
- China
- Prior art keywords
- reactor
- producing
- producing tetrachloroethylene
- protective shell
- tetrachloroethylene
- 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.)
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- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229950011008 tetrachloroethylene Drugs 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000004321 preservation Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000011449 brick Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a reactor for producing tetrachloroethylene, which comprises a body upper part and a body lower part which are detachably connected; the inner cavity of the upper part of the body is provided with a static mixer, and the outer wall of the upper part of the body is provided with an electric heater; the lower part of the body comprises a protective shell, and a fireproof lining layer is arranged in the protective shell. The reactor not only solves the bottleneck problems of large investment and short service cycle of the existing equipment, but also can more efficiently mix the materials participating in the reaction uniformly.
Description
Technical Field
The utility model relates to the technical field of tetrachloroethylene production, in particular to a reactor for producing tetrachloroethylene.
Background
The disclosure of this background section is only intended to increase the understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art already known to those of ordinary skill in the art.
The production process of tetrachloroethylene by thermal chlorination process is that raw materials of chloromethane and chlorine gas are produced into carbon tetrachloride, tetrachloroethylene and hydrogen chloride at high temperature of 575-595 ℃. At present, the material of a reactor main body for producing tetrachloroethylene is S304+NO2201, a feed inlet and a discharge outlet are arranged on the upper part of the reactor main body, a mixer with a nozzle is connected with the flange on the upper part of the reactor main body, an electric heater is arranged on the outer wall of the lower part of the reactor barrel, and the electric heater is fixed on a supporting ring of the outer wall of the reactor through bolts.
However, in practical use, it has been found that such a reactor for producing tetrachloroethylene has mainly the following two drawbacks:
① The reactor main body uses composite plates of S304+NO2201, the material selection cost is high, and the equipment investment is large;
② The mixing effect of the mixer at the upper part of the reactor is poor, and the NO2201 composite layer is burnt out at a local high temperature at the lower part of the reactor due to uneven material mixing, so that the service cycle of the whole reactor is short.
Disclosure of utility model
Aiming at the problems, the utility model provides a reactor for producing tetrachloroethylene, which not only solves the bottleneck problems of large investment and short service period of the existing equipment, but also can more efficiently and uniformly mix the materials participating in the reaction.
A reactor for producing tetrachloroethylene, comprising a removably connected upper body portion and a lower body portion; the inner cavity of the upper part of the body is provided with a static mixer, and the outer wall of the upper part of the body is provided with an electric heater; the lower part of the body comprises a protective shell, and a fireproof lining layer is arranged in the protective shell.
Further, the bottom of body upper portion and the top of body lower part all are provided with flange.
Further, a gasket is arranged between the upper connecting flange and the lower connecting flange.
Further, the gasket is made of NO4400 material.
Further, the electric heater is fixedly connected with the connecting flange at the upper part of the body.
Further, the upper body portion includes an S304 housing, the S304 housing being internally lined with NO 2201.
Further, the static mixer is of a spiral structure.
Further, the static mixer is in communication with the nozzle mixer above.
Further, the fireproof lining layer is connected with the protective shell through heat preservation nails.
Further, the refractory lining is made of Al 2O3, and the heat preservation nail is made of NO2201.
The beneficial effects are that:
(1) The lower part of the reactor is made of refractory materials, so that the condition that the NO2201 composite layer is burnt out of the lower part of the reactor due to local high temperature is avoided, and the service life of equipment is prolonged.
(2) The reactor adopts an upper section and a lower section, an electric heater is arranged outside the upper section, and after the temperature is raised to the temperature required by the reaction by the electric heater, the reactor can be directly charged and driven, the driving time is shortened, and the driving operation is simple and convenient. The lower section is poured by refractory materials, and has high temperature resistance and long service life.
(3) The upper section and the lower section of the reactor are connected by flanges, so that the disassembly and the connection are convenient, the overhaul and the maintenance are convenient.
(4) The fins with spiral structures are added on the reactor mixer, so that the reaction materials are mixed more fully, and the phenomenon of local high temperature caused by uneven mixing is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of the overall structure of a reactor.
FIG. 2 is a partial schematic view of the lower refractory lining of the reactor.
In the figure, 1, a reactor inlet; 2. a nozzle mixer; 3. a static mixer; 4. an electric heater; 5. a flange; 6. a refractory lining; 7. the reactor comprises a reactor outlet, 8, heat preservation nails, 9, a manhole, 10, foundation bolts, 11, a skirt, 12 and a cleaning port.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, the utility model discloses a novel reactor for producing tetrachloroethylene, which mainly comprises a reactor body, wherein the reactor body is fixedly installed through a skirt 11 and anchor bolts 10, and a manhole 9 is arranged on the left side of the skirt. The reactor body comprises an upper body part and a lower body part which are detachably connected with each other, wherein the upper part and the lower part of the reactor body are connected through a flange 5, and a gasket made of NO4400 material is used in the middle of the flange. The lower end of the lower part of the body is provided with a discharging port for discharging materials in the reactor.
The upper half body is made of a composite board of S304+NO2201, S304 is a reactor parent metal, and NO2201 is a lining. A reactor inlet 1 and a reactor outlet 7 are arranged at the upper part of the body, a nozzle mixer 2 is arranged in the reactor inlet, a static mixer 3 is arranged at the lower end of the nozzle mixer, and the static mixer is connected with the reactor inlet through a flange. An electric heater 4 is arranged on the outer wall of the upper half part of the reactor body, and the electric heater is fixed on a flange of the outer wall of the reactor through bolts. The static mixer is characterized in that spiral fins are added on the lower straight pipe section of the original nozzle mixer, and the material is NO2201. The materials entering the reactor rotate after passing through the spiral fins, so that the materials are more uniformly mixed, and the materials rotating are more fully reacted after being sprayed on the lower part of the reactor.
The inner shell of the lower half part of the reactor body is S304, and the inner ring of the lower half part is additionally provided with a refractory lining 6. The main component of the refractory castable/refractory brick of the refractory lining is Al 2O3, and the refractory castable/refractory brick is fixed on the wall of the cylinder through heat preservation nails 8, as shown in figure 2, and the heat preservation nails are NO2201. The reactor is particularly suitable for producing tetrachloroethylene by a thermal chlorination method, and has the advantages of convenient installation and maintenance and low investment.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified or substituted for some of them by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. While the foregoing describes the embodiments of the present utility model, it should be understood that the present utility model is not limited to the embodiments, and that various modifications and changes can be made by those skilled in the art without any inventive effort.
Claims (8)
1. A reactor for producing tetrachloroethylene, comprising a removably connected upper body portion and a lower body portion; the inner cavity at the upper part of the body is provided with a static mixer which is of a spiral structure; an electric heater is arranged on the outer wall of the upper part of the body; the lower part of the body comprises a protective shell, a fireproof lining is arranged in the protective shell, and the fireproof lining is connected with the protective shell through heat preservation nails; the lower end of the lower part of the body is provided with a discharging port for discharging materials in the reactor.
2. A reactor for producing tetrachloroethylene according to claim 1, wherein said upper bottom end of said body and said lower top end of said body are each provided with a connecting flange.
3. A reactor for producing tetrachloroethylene according to claim 2, wherein gaskets are provided between the upper and lower connecting flanges.
4. A reactor for producing tetrachloroethylene according to claim 3 wherein said spacer is of NO4400 material.
5. A reactor for producing tetrachloroethylene according to claim 2, wherein said electric heater is fixedly connected to a connecting flange at the upper portion of the body.
6. A reactor for producing tetrachloroethylene according to claim 1 wherein said upper body portion comprises an S304 housing, said S304 housing being internally lined with NO 2201.
7. A reactor for producing tetrachloroethylene according to claim 1 wherein said static mixer is in communication with a nozzle mixer above.
8. A reactor for producing tetrachloroethylene according to claim 1 wherein said refractory lining is of Al 2O3 and said insulating nails are of NO2201.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941518.6U CN220803155U (en) | 2023-07-24 | 2023-07-24 | Reactor for producing tetrachloroethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941518.6U CN220803155U (en) | 2023-07-24 | 2023-07-24 | Reactor for producing tetrachloroethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220803155U true CN220803155U (en) | 2024-04-19 |
Family
ID=90699426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941518.6U Active CN220803155U (en) | 2023-07-24 | 2023-07-24 | Reactor for producing tetrachloroethylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220803155U (en) |
-
2023
- 2023-07-24 CN CN202321941518.6U patent/CN220803155U/en active Active
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