CN212492845U - Novel fixed bed reactor - Google Patents
Novel fixed bed reactor Download PDFInfo
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- CN212492845U CN212492845U CN202020923857.1U CN202020923857U CN212492845U CN 212492845 U CN212492845 U CN 212492845U CN 202020923857 U CN202020923857 U CN 202020923857U CN 212492845 U CN212492845 U CN 212492845U
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Abstract
The utility model discloses a novel fixed bed reactor belongs to fixed bed reactor technical field. A novel fixed bed reactor, comprising: the gas conveying pipes are provided with two groups; wherein, the two groups of gas conveying pipes are provided with pressure reducing valves; a liquid delivery pump; one end of the gas mixing tank is communicated with the gas conveying pipe; the first heater is internally provided with a gas reheating section and a liquid vaporization coil; wherein, the gas reheating section is communicated with a gas mixing tank, and the liquid vaporization coil is communicated with a liquid delivery pump; a second heater for reacting the reactant; the condensing coil is communicated with the second heater; the gas-liquid separation tank is communicated with the condensing coil; the gas booster pump is connected to the upper end of the gas-liquid separation tank; a gas buffer tank; the utility model discloses can accomplish gas-liquid reaction, gas-gas reaction, liquid-liquid reaction, and through the mode of heating, can further promote the speed and the reaction degree of reaction, improve work efficiency, application scope is wider, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a fixed bed reactor technical field especially relates to novel fixed bed reactor.
Background
Chemical reactions are processes in which one or more reactants are converted to a product different from the reactant via a chemical change, and most existing chemical reactions are carried out in a fixed bed reactor.
The fixed bed reactor is characterized in that a granular solid catalyst or a solid reactant is filled in the reactor to form a stacked bed layer with a certain height, and a gas or liquid material flows through a static fixed bed layer through a granular gap to realize a heterogeneous reaction process.
However, the existing fixed bed reactor only supports single gas-gas reaction, liquid-liquid reaction or gas-liquid reaction, and has single functionality, and if the existing fixed bed reactor needs to meet the reactions in different states, a plurality of fixed bed reactors are needed, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art and providing a novel fixed bed reactor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel fixed bed reactor, comprising: the gas conveying pipes are provided with two groups; wherein, the two groups of gas conveying pipes are provided with pressure reducing valves; a liquid delivery pump; one end of the gas mixing tank is communicated with the gas conveying pipe; the first heater is internally provided with a gas reheating section and a liquid vaporization coil; wherein, the gas reheating section is communicated with a gas mixing tank, and the liquid vaporization coil is communicated with a liquid delivery pump; a second heater for reacting the reactant; the condensing coil is communicated with the second heater; the gas-liquid separation tank is communicated with the condensing coil; the gas booster pump is connected to the upper end of the gas-liquid separation tank; wherein a protection component is arranged between the gas booster pump and the gas-liquid separation tank; one end of the gas buffer tank is communicated with the gas booster pump, and the other end of the gas buffer tank is communicated with the gas mixing tank; wherein, be equipped with the check valve between gas buffer tank and the gas mixing tank.
Preferably, a flowmeter is further arranged on the gas conveying pipe.
Preferably, the gas conveying pipe and the liquid conveying pump are both provided with nitrogen purging valves.
Preferably, a gas filter is arranged between the second heater and the condensing coil.
Preferably, the protection component comprises a safety valve, a back pressure valve and an exhaust valve.
Preferably, a plurality of groups of thermometers are arranged on the second heater.
Compared with the prior art, the utility model provides a novel fixed bed reactor possesses following beneficial effect:
1. when a user uses the novel fixed bed reactor, when gas-gas reaction is required, gas can be conveyed through the two groups of gas conveying pipes, when liquid-liquid reaction is required, liquid can be conveyed through the liquid conveying pump, when attention is required, the control valve at the lower end of the second heater needs to be closed firstly during the liquid-liquid reaction, the control valve is opened after liquid input is finished and the reaction is carried out, and when the gas-liquid reaction is required, gas and liquid are conveyed through the gas conveying pipes and the liquid conveying pump respectively;
after the gas is conveyed, the gas enters a gas mixing tank through a pressure reducing valve and a flowmeter, and then enters a gas reheating section in a first heater to be heated, so that the molecular distance in the gas is expanded;
liquid enters a liquid vaporization coil of the first heater through a liquid delivery pump, is heated and vaporized into gas, and then enters a gas reheating section for heating, so that the molecular distance is expanded;
then the gas in the gas reheating section enters the second heater for reaction, and the reaction rate is increased due to the fact that the gas is heated;
after the reaction is finished, the gas can be cooled by the condensing coil and converted into liquid, and part of the gas can not reach the liquefaction condition, so that the gas and the liquid are separated in the gas-liquid separation tank, the gas rises, the liquid falls, and at the moment, the liquid can be collected by opening a control valve at the lower end of the gas-liquid separation tank;
the gas can move upwards through the pipeline and enter the protection component, if the gas pressure is overlarge, the gas can be adjusted through the backpressure valve, if the gas is a non-target product, the gas can be discharged through the emptying valve, and the safety valve can be used for discharging or closing in an emergency state;
if the gas is the residual gas of the target product, the residual gas can flow back to the gas mixing tank through the gas booster pump and the gas buffer tank to carry out the circulating reaction or cooling;
it should be noted that, in order to identify the specific cause of the gas in the safety assembly, a portion of the gas may be vented through the vent valve for detection;
the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can accomplish gas-liquid reaction, gas-gas reaction, liquid-liquid reaction, and through the mode of heating, can further promote the speed and the reaction degree of reaction, improve work efficiency, application scope is wider, has reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a novel fixed bed reactor provided by the present invention;
fig. 2 is a schematic structural diagram of a portion a in fig. 1 of a novel fixed bed reactor provided by the present invention;
fig. 3 is a schematic structural diagram of a portion B in fig. 1 of the novel fixed bed reactor provided by the present invention.
In the figure: 1. a pressure reducing valve; 101. a flow meter; 102. a gas delivery pipe; 2. a liquid delivery pump; 201. a nitrogen purge valve; 3. a gas mixing tank; 4. a first heater; 401. a gas reheating section; 402. a liquid vaporization coil; 5. a second heater; 501. a gas filter; 6. A condenser coil; 7. a gas-liquid separation tank; 8. a gas booster pump; 801. a gas buffer tank; 9. A protection component; 901. a safety valve; 902. a back pressure valve; 903. and an evacuation valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, a novel fixed bed reactor, comprising: two groups of gas delivery pipes 102 are arranged; wherein, the two groups of gas delivery pipes 102 are provided with pressure reducing valves 1; a liquid delivery pump 2; one end of the gas mixing tank 3 is communicated with the gas conveying pipe 102; the first heater 4 is internally provided with a gas reheating section 401 and a liquid vaporization coil 402; wherein, the gas reheating section 401 is communicated with the gas mixing tank 3, and the liquid vaporization coil 402 is communicated with the liquid delivery pump 2; a second heater 5 for reactant reaction; the condensing coil 6 is communicated with the second heater 5; the gas-liquid separation tank 7 is communicated with the condensing coil 6; a gas booster pump 8 connected to the upper end of the gas-liquid separation tank 7; wherein a protective component 9 is arranged between the gas booster pump 8 and the gas-liquid separation tank 7; the gas buffer tank 801 is communicated with the gas booster pump 8 at one end and is communicated with the gas mixing tank 3 at the other end; a check valve is provided between the gas buffer tank 801 and the gas mixing tank 3, and the check valve prevents gas in an initial state from entering the gas buffer tank 801.
The gas delivery pipe 102 is also provided with a flow meter 101 for monitoring the amount of gas to be added.
In order to protect the gas and liquid, the gas transfer pipe 102 and the liquid transfer pump 2 are provided with a nitrogen purge valve 201.
In order to filter solid substances in the gas and prevent solid particles from affecting the quality of the product, a gas filter 501 is arranged between the second heater 5 and the condensing coil 6.
In order to improve the quality of the gas, the protection assembly 9 comprises a safety valve 901, a back pressure valve 902 and an exhaust valve 903.
In order to facilitate the detection of the temperature of each part of the second heater 5, six groups of thermometers are provided on the second heater 5.
When a user uses the device, when gas-gas reaction is required, gas can be conveyed through the two groups of gas conveying pipes 102, when liquid-liquid reaction is required, liquid can be conveyed through the liquid conveying pump 2, when attention is required, a control valve at the lower end of the second heater 5 needs to be closed firstly during the liquid-liquid reaction, the control valve needs to be opened after the liquid input is finished and the reaction is carried out, and when the gas-liquid reaction is required, gas and liquid are conveyed through the gas conveying pipes 102 and the liquid conveying pump 2 respectively;
after the gas is conveyed, the gas enters a gas mixing tank 3 through a pressure reducing valve 1 and a flowmeter 101, and then enters a gas reheating section 401 in a first heater 4 to be heated, so that the molecular distance in the gas is expanded;
the liquid enters the liquid vaporization coil 402 of the first heater 4 through the liquid delivery pump 2, is heated and vaporized into gas, and then enters the gas reheating section 401 for heating, so that the molecular distance is expanded;
then, the gas in the gas reheating section 401 enters the second heater 5 for reaction, and the reaction rate is increased due to the fact that the gas is heated;
after the reaction is finished, the gas is cooled by the condensing coil 6 and converted into liquid, and part of the gas cannot reach the liquefaction condition, so that the gas and the liquid are separated in the gas-liquid separation tank 7, the gas rises, the liquid falls, and at the moment, the liquid can be collected by opening a control valve at the lower end of the gas-liquid separation tank 7;
the gas can move upwards through the pipeline and enter the protection component, if the gas pressure is overlarge, the gas can be adjusted through a back pressure valve 902, if the gas is a non-target product, the gas can be discharged through a drain valve 903, and a safety valve 901 can be used for discharging or closing in an emergency state;
if the gas is the residual gas of the target product, the residual gas can flow back to the gas mixing tank 3 through the gas booster pump 8 and the gas buffer tank 801 to carry out the circulating reaction or cooling;
it should be noted that, in order to identify the specific cause of the gas in the safety assembly 9, a portion of the gas may be vented through the evacuation valve 903 for detection;
the utility model discloses can accomplish gas-liquid reaction, gas-gas reaction, liquid-liquid reaction, and through the mode of heating, can further promote the speed and the reaction degree of reaction, improve work efficiency, application scope is wider, has reduced manufacturing cost.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Novel fixed bed reactor, its characterized in that includes: two groups of gas conveying pipes (102) are arranged; wherein, the two groups of gas delivery pipes (102) are provided with pressure reducing valves (1); a liquid transfer pump (2); one end of the gas mixing tank (3) is communicated with the gas conveying pipe (102); the first heater (4) is internally provided with a gas reheating section (401) and a liquid vaporization coil pipe (402); wherein the gas reheating section (401) is communicated with a gas mixing tank (3), and the liquid vaporization coil (402) is communicated with a liquid delivery pump (2); a second heater (5) for reacting the reactants; the condensing coil (6) is communicated with the second heater (5); the gas-liquid separation tank (7) is communicated with the condensing coil (6); a gas booster pump (8) connected to the upper end of the gas-liquid separation tank (7); wherein a protective component (9) is arranged between the gas booster pump (8) and the gas-liquid separation tank (7); the gas buffer tank (801), one end of which is communicated with the gas booster pump (8), and the other end of which is communicated with the gas mixing tank (3); wherein, a check valve is arranged between the gas buffer tank (801) and the gas mixing tank (3).
2. The new fixed bed reactor in accordance with claim 1, characterized in that the gas delivery pipe (102) is further provided with a flow meter (101).
3. The novel fixed bed reactor of claim 2, wherein the gas delivery pipe (102) and the liquid delivery pump (2) are provided with nitrogen purge valves (201).
4. Novel fixed bed reactor in accordance with claim 1, characterized by that between the second heater (5) and the condenser coil (6) is provided a gas filter (501).
5. The new fixed bed reactor in accordance with claim 1, characterized by the protection components (9) comprising a safety valve (901), a back pressure valve (902), a blow-off valve (903).
6. A novel fixed bed reactor as claimed in claim 3, wherein a plurality of sets of thermometers are provided on said second heater (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923857.1U CN212492845U (en) | 2020-05-27 | 2020-05-27 | Novel fixed bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020923857.1U CN212492845U (en) | 2020-05-27 | 2020-05-27 | Novel fixed bed reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212492845U true CN212492845U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020923857.1U Active CN212492845U (en) | 2020-05-27 | 2020-05-27 | Novel fixed bed reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212492845U (en) |
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2020
- 2020-05-27 CN CN202020923857.1U patent/CN212492845U/en active Active
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