Fixed bed hydrogenation reaction device

Abstract

The utility model discloses a fixed bed hydrogenation reaction device which comprises a gas feeding unit, a raw material feeding unit, a reaction unit, a product post-processing unit and a frame structure, and the gas feeding unit comprises a reaction gas feeding pipeline and a purging gas feeding pipeline which are arranged in parallel; the raw material feeding unit comprises a raw material tank and a raw material feeding pipeline, and a metering pump is arranged on the raw material feeding pipeline; the product post-treatment unit comprises a condenser, a gas-liquid separator and a sampling tank I which are sequentially connected and communicated; the gas feeding unit, the raw material feeding unit, the reaction unit and the product post-processing unit are integrally arranged on the frame structure. According to the utility model, the design is reasonable, the practicability is strong, a plurality of units are integrated on one frame structure, the structural layout is more compact, the space is effectively utilized, the occupied area of the device is reduced, the connection and assembly of pipelines among all parts are more facilitated, the overall efficiency and reliability of the device are improved, and the actual installation, debugging and maintenance are also facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical equipment, concretely relates to fixed bed hydrogenation reaction device. BACKGROUND

[0002] Fixed bed hydrogenation reaction device is a kind of chemical reaction equipment widely used in petrochemical and fine chemical industry.In the experimental research and industrial production of modern chemical industry, many reactions are used to fixed bed device, especially in petrochemical industry. Fixed bed reaction device is simple to operate, and can effectively evaluate the activity, selectivity and life of catalyst. In the prior art, fixed bed hydrogenation reaction device includes multiple components, such as raw material tank, reactor, product post-processing device, etc. Each component is often arranged dispersedly, leading to low space utilization, increasing the use of pipeline and connecting piece between components, affecting the reliability of the whole system, and the dispersed design between components is not conducive to subsequent maintenance and repair. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the above-mentioned technical problems existing in the prior art, and provides fixed bed hydrogenation reaction device, which is reasonable in design and strong in practicality. Multiple units are integrated on a frame structure, the structure layout is more compact, space is effectively utilized, the land area occupied by the device is reduced, the connection and assembly of pipeline between components are more favorable, the overall efficiency and reliability of the device are improved, actual installation, debugging and maintenance are facilitated.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The fixed bed hydrogenation reaction device comprises a gas feeding unit, a raw material feeding unit, a reaction unit, a product post-treatment unit and a frame structure. The gas feeding unit comprises a reaction gas feeding pipeline and a purge gas feeding pipeline arranged in parallel. The reaction gas feeding pipeline realizes the delivery of reaction gas, and the purge gas feeding pipeline realizes the delivery of purge gas. The raw material feeding unit comprises a raw material tank and a raw material feeding pipeline. The raw material tank stores raw materials. The raw material feeding pipeline is in communication with the raw material tank. A metering pump is arranged on the raw material feeding pipeline. The metering pump realizes the negative pressure delivery of raw materials through the raw material feeding pipeline. The reaction unit comprises a reactor and a reaction furnace. The reactor is longitudinally arranged in the reaction furnace. The raw material feeding pipeline and the reaction gas feeding pipeline are connected with the inlet end of the reactor. The product post-treatment unit comprises a condenser, a gas-liquid separator and a sampling tank I which are connected in sequence. The condenser is connected with the outlet end of the reactor. The gas feeding unit, the raw material feeding unit, the reaction unit and the product post-treatment unit are arranged on the frame structure.

[0006] Further, the gas feeding unit further comprises a buffer tank and a preheater. The reaction gas feeding pipeline and the purge gas feeding pipeline are connected with the inlet end of the buffer tank in parallel. The outlet end of the buffer tank is connected with the inlet end of the preheater. The outlet end of the preheater is connected with the inlet end of the reactor. The raw material feeding pipeline is connected after the outlet end of the preheater and before the inlet end of the heat exchanger. The buffer tank and the preheater are arranged between the parallel connection point of the reaction gas feeding pipeline and the purge gas feeding pipeline and the reactor. The position is reasonable. The buffer tank is a high-pressure buffer tank. The buffer tank is used to prevent the liquid raw material from being sucked back into the reaction gas feeding pipeline and the purge gas feeding pipeline to pollute the instruments, valves and other components on the gas pipeline, thereby improving the overall safety and stability of the device. The material of the buffer tank is 316L. The volume of the buffer tank is 200 mL. The operating pressure is ≤8 Mpa. The preheater is used to preheat the gas entering the reactor to reach a suitable reaction temperature, thereby improving the subsequent reaction efficiency. The material of the preheater is 316L. The operating temperature is ≤400℃. The operating pressure is ≤8 Mpa.

[0007] Further, the reaction gas feeding pipeline and the purge gas feeding pipeline are both provided with a filter one, a pressure gauge one, a pressure reducing valve, a mass flow controller, a stop valve and a one-way valve one. The filter one and the pressure reducing valve are arranged close to the upstream end of the reaction gas feeding pipeline and the purge gas feeding pipeline. The one-way valve one is arranged close to the downstream end of the reaction gas feeding pipeline and the purge gas feeding pipeline. The upstream end and the downstream end of the reaction gas feeding pipeline and the purge gas feeding pipeline are both provided with a stop valve. The mass flow controller is a thermal gas mass flow controller, which has a control precision of ≤±1% F.S. and a tolerance pressure of 10 Mpa. The reaction gas feeding pipeline and the purge gas feeding pipeline are both gas pipelines. The filter one is arranged at the upstream end of the gas pipeline, which can effectively filter the impurities and small particles in the gas entering the gas pipeline, prevent impurities and particles from entering the gas pipeline and affecting the components on the gas pipeline, and prevent impurities from entering the reactor and the device to damage other equipment. The pressure reducing valve is also arranged close to the upper end of the gas pipeline, and the pressure reducing valve is arranged at the rear end of the filter one, so that the gas entering the gas pipeline is filtered and impurities are removed by the filter one first. The pressure reducing valve adjusts the gas pressure as needed, so that the gas pressure is within a safe range. The stop valves are arranged at the upstream and downstream ends of the gas pipeline, which can quickly cut off the gas supply when needed, improve the safety of the device, and facilitate daily maintenance. The one-way valve one realizes one-way flow in the gas pipeline, prevents backflow and cross contamination, and further improves the reliability and safety of the overall device.

[0008] Further, a high-pressure bypass is arranged between the inlet end of the mass flow controller and the outlet end of the mass flow controller, which can serve as a backup channel to improve the overall stability and safety.

[0009] Further, an electric heating tape is arranged on the outer wall of the pipeline between the preheater and the reactor, on the outer wall of the pipeline between the reactor and the condenser, and on the outer wall of the pipeline in the product post-processing unit. The electric heating tape can be evenly distributed along the surface of the pipeline to provide stable heating for the gas or product in the pipeline, thereby facilitating the transfer and flow of the gas or product, keeping the gas or product within a certain temperature range, and helping to ensure the stability of the gas or product, improve the efficiency of subsequent reactions or condensation, and facilitate the smooth progress of the product post-processing process.

[0010] Further, a filter two, a pressure gauge two and a one-way valve two are arranged on the raw material feeding pipeline. The filter two is arranged close to the upstream end of the raw material feeding pipeline to filter impurities in the raw material and ensure that the raw material entering the equipment is pure. The pressure gauge two is used to monitor the pressure change in the raw material feeding pipeline. The one-way valve two is arranged close to the downstream end of the raw material feeding pipeline to ensure that the raw material can only flow in one direction in the raw material feeding pipeline, preventing backflow and improving the overall safety and stability.

[0011] Further, a branch pipeline is connected to the raw material feeding pipeline, a discharge valve is arranged on the branch pipeline, the branch pipeline is connected between the metering pump and the one-way valve, the discharge valve can control the flow of the raw material in the raw material feeding pipeline, realize the quantitative discharge and cutting of the raw material, and facilitate the subsequent maintenance and repair of the equipment.

[0012] Further, the raw material tank is provided with an electronic scale for monitoring the weight of the raw material in the raw material tank, the electronic scale can monitor the weight change of the raw material in the raw material tank in real time, which helps to realize accurate control of the use of the raw material, reduce waste, improve production efficiency, and optimize the production process, so as to reasonably arrange the raw material supplement time and avoid production interruption.

[0013] Further, a sampling tank two is connected to the pipeline between the reactor and the condenser, the sampling tank two is arranged close to the outlet end of the reactor, the sampling tank two is used for real-time sampling of the reaction product, for monitoring the reaction process and timely adjusting the reaction conditions, ensuring the product quality, the material of the sampling tank two is 316L, the volume is about 5mL, and the operating temperature is RT-100 DEG C.

[0014] Further, the raw material tank is wrapped with a heat preservation heating bag, the temperature is RT-100 DEG C, the heat preservation heating bag can reduce the heat loss of the surface of the raw material tank, ensure that the raw material in the raw material tank can be maintained in the required temperature range, and the heating element in the heat preservation heating bag can also heat and warm up, provide necessary heat for the raw material tank, so that the raw material always maintains in the optimum temperature range, thereby guaranteeing the stability and reliability of the subsequent production process and improving the production efficiency.

[0015] The utility model discloses have the following beneficial effects because of adopting above -mentioned technical scheme:

[0016] The utility model discloses reasonable, practicality is strong, a plurality of units are integrated and set up on a frame structure, and the structure layout is more compact, effectively utilizes the space, reduces the land area of device, also is more favorable to the connection assembly of pipeline between each component, improves the overall efficiency and reliability of device, also helps actual installation, debugging and maintenance. ACCURACY

[0017] The utility model discloses further illustrate in combination with the drawings:

[0018] Figure 1 It is the structure schematic drawing of a plurality of units integrated and set up on the frame structure in the utility model;

[0019] Figure 2 It is the side structure schematic drawing of Figure 1 ;

[0020] Figure 3 It is the top structure schematic drawing of Figure 1 ;

[0021] Figure 4 The flow chart is for the utility model;

[0022] Figure 5 The structural schematic diagram is for the reactor in the utility model;

[0023] Figure 6 The structural schematic diagram is for the preheater in the utility model;

[0024] Figure 7 The structural schematic diagram is for the raw material tank in the utility model;

[0025] Figure 8 The structural schematic diagram is for the assembly structure among the condenser, the gas-liquid separator, the sampling tank one and three in the utility model.

[0026] In the figure, 1 is a reaction gas feeding pipeline; 2 is a purge gas feeding pipeline; 3 is a raw material tank; 4 is a raw material feeding pipeline; 5 is a metering pump; 6 is a reactor; 7 is a reaction furnace; 8 is a condenser; 9 is a gas-liquid separator; 10 is a sampling tank one; 11 is a frame structure; 12 is a buffer tank; 13 is a preheater; 14 is a filter one; 15 is a pressure gauge one; 16 is a pressure reducing valve; 17 is a mass flow controller; 18 is a stop valve; 19 is a one-way valve one; 20 is a high-pressure bypass; 21 is an electric heat tracing band; 22 is a discharge valve; 23 is a sampling tank two; 24 is an electronic scale; 25 is a pressure gauge two; 26 is a one-way valve two; 27 is a filter two; 28 is a material inlet; 29 is a material outlet; 30 is a pressure supplement valve; 31 is a heat preservation heating bag; 32 is a branch pipeline; 33 is a precision pressure gauge; 34 is a moving roller; and 35 is a catalyst bed. DETAILED DESCRIPTION

[0027] As Figures 1 to 8 shown, the utility model fixed bed hydrogenation reaction device, including gas feeding unit, raw material feeding unit, reaction unit, product post-processing unit and frame structure 11, gas feeding unit, raw material feeding unit, reaction unit, product post-processing unit are integrally arranged on frame structure 11. The overall design of the application is reasonable, and the practicability is strong. Multiple units are integrally arranged on a frame structure 11, the structure layout is more compact, effectively utilizes the space, reduces the land area of device, also is more favorable to the connection assembly of pipeline between each component, improves the overall efficiency and reliability of device, also helps the actual installation, debugging and maintenance. Frame structure 11 adopts high-strength aluminum profile, guarantees structural strength, and the bottom of frame structure 11 is provided with moving roller 34, which facilitates the adjustment of the position of device. The device is equipped with an automatic control system, the hardware of system adopts AI intelligent instrument control, can complete the setting and operation of experimental parameters. Control cabinet is arranged on frame structure 11, which is convenient for actual operation.

[0028] The gas feeding unit comprises a reaction gas feeding pipe 1 and a purge gas feeding pipe 2 arranged in parallel, the reaction gas feeding pipe 1 is used to feed the reaction gas, and the purge gas feeding pipe 2 is used to purge the device when needed to ensure the smooth progress of the reaction process, the reaction gas is H2, and the purge gas can be N2; the raw material feeding unit comprises a raw material tank 3 and a raw material feeding pipe 4, the raw material tank 3 stores the raw material, the raw material feeding pipe 4 is communicated with the raw material tank 3, and a metering pump 5 is arranged on the raw material feeding pipe 4, the metering pump 5 is used to feed the raw material under negative pressure through the raw material feeding pipe 4; the volume of the raw material tank 3 is 5L, the material is 316L, the operating temperature is RT-100 DEG C, the operating pressure is 0-0.3MPa, the metering pump 5 on the raw material feeding pipe 4 is used to feed the raw material under negative pressure, and the metering pump 5 can also accurately control the feeding amount of the raw material, so as to ensure the stability and controllability of the reaction process. The metering pump 5 is a high-pressure plunger metering pump 5, the flow rate is 0.001-10mL / min, the operating pressure is ≤42Mpa, and the material of the pump head of the metering pump 5 is 316L.

[0029] The reaction unit comprises a reactor 6 and a reaction furnace 7, the reactor 6 is longitudinally arranged in the reaction furnace 7, the reaction gas feeding pipe 1 and the purge gas feeding pipe 2 are connected with the inlet end of the reactor 6 after being connected in parallel, and the raw material feeding pipe 4 is connected with the inlet end of the reactor 6; the reaction furnace 7 is an isothermal heating furnace, the operating temperature is ≤600 DEG C, the temperature rising rate is ≤30 DEG C / min, the length of the static constant temperature zone is ≥170mm@±1 DEG C, the reaction furnace 7 is designed in an open-close mode, the reactor 6 is convenient to disassemble and assemble, the reaction furnace 7 adopts a three multi-chamber independent heating mode, each chamber adopts independent temperature control, and the temperature of the catalyst bed 35 can be flexibly adjusted. The reactor 6 is a fixed bed reactor 6, the catalyst loading is 1-10mL, the main body of the reactor 6 is made of 316L, the stable operation of the reactor 6 in the high-temperature and high-pressure environment is ensured, the operating temperature is ≤600 DEG C, the operating pressure is ≤8Mpa, a thermowell is designed in the center of the reactor 6, three thermocouples can be inserted into the thermowell for monitoring the temperature of the catalyst bed 35, the thermocouples can be pulled up and down, and a porous catalyst support plate is designed in the reactor 6 for supporting the catalyst bed 35. The reactor 6 is also provided with a precision pressure gauge 33, a pressure transmitter, an unloading valve, a manual vent valve and a filter, and the pressure in the reactor 6 is monitored in real time by the precision pressure gauge 33. The raw material gas enters from the material inlet 28 at the top of the reactor 6, reacts under the action of a certain temperature, pressure and catalyst bed 35, and the product is discharged from the material outlet 29 at the bottom of the reactor 6 and then enters the product post-processing unit.

[0030] The product post-treatment unit includes a condenser 8, a gas-liquid separator 9 and a sampling tank 10 connected in sequence, the condenser 8 is connected with the outlet end of the reactor 6; the condenser 8 is used to cool and liquefy the gas mixture after reaction, the gas-liquid separator 9 is used to further separate the liquefied mixture, and the sampling tank 10 is used to collect and store the separated liquid product, and also for analysis and testing of the liquid product. The high-temperature product discharged from the material outlet 29 of the reactor 6 is first condensed by the condenser 8, then enters the gas-liquid separator 9 for gas-liquid separation, and the sampling tank 10 samples the separated liquid phase product. The sampling tank 10 is provided with a pressure compensation valve 30, and the sampling tank 10 is designed with a pressure compensation module. Before sampling each time, the pressure of the sampling tank 10 can be compensated to the reaction pressure, and then the gas-liquid separator 9 is sampled, so as to ensure that the pressure in the system is the smallest during sampling, and the overall stability is ensured. When the experiment needs to run for a long time, the product tank can be directly connected to the outlet of the gas-liquid separator 9 as the sampling tank 10 to realize the collection of a larger amount of liquid phase product. The product tank is provided with a pressure compensation valve 30, and the product tank is designed with a pressure compensation module. When the product tank is connected to the system, the pressure of the product tank can be compensated to the reaction pressure to realize the smallest fluctuation of the system pressure. When discharging from the product tank, first open the vent valve at the top of the product tank to release the pressure in the product tank, then open the discharge valve of the product tank for sampling, so that the discharging and sampling process is safer and more reliable. The condenser 8 adopts a spiral design and is provided with a refrigerant jacket outside. The condenser 8 is made of 316L, and the operating temperature is -10-100℃, and the operating pressure is ≤8Mpa. The condenser 8 is provided with a set of low-temperature tank to provide refrigerant, and the temperature of the low-temperature tank is -10-100℃. The gas-liquid separator 9 has a volume of about 500mL, and is made of 316L, and the operating temperature is RT-100℃, and the operating pressure is ≤8Mpa. The sampling tank 10 has a volume of about 10mL, and is made of 316L, and the operating temperature is RT-100℃, and the operating pressure is ≤8Mpa. If the product tank is connected in series at the outlet of the gas-liquid separator 9, the volume of the product tank is 5L, and the material is made of 316L, and the operating temperature is RT-100℃, and the operating pressure is ≤8Mpa.

[0031] The gas feeding unit further comprises a buffer tank 12 and a preheater 13, the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2 are communicated with the inlet end of the buffer tank 12 after being connected in parallel, the outlet end of the buffer tank 12 is communicated with the inlet end of the preheater 13, the outlet end of the preheater 13 is communicated with the inlet end of the reactor 6, the raw material feeding pipeline 4 is connected after the outlet end of the preheater 13 and before the inlet end of the reactor 6, the buffer tank 12 and the preheater 13 are arranged between the parallel connection point of the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2 and the reactor 6, the position is reasonably designed, the buffer tank 12 is a high-pressure buffer tank 12, which is used to prevent the liquid raw material from being sucked back into the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2 to cause the pollution of the instruments, valves and other components on the gas pipeline, thereby improving the overall safety and stability of the device, the material of the buffer tank 12 is 316L, the volume is 200 mL, the operating pressure is ≤8 Mpa, a filter 14 can be additionally designed before the buffer tank 12 in actual design, the gas is filtered again to remove impurities, the preheater 13 preheats the gas entering the reactor 6 first to make it reach the appropriate reaction temperature, thereby improving the subsequent reaction efficiency, the material of the preheater 13 is 316L, the operating temperature is ≤400℃, and the operating pressure is ≤8 Mpa.

[0032] The filter one 14, the pressure gauge one 15, the pressure reducing valve 16, the mass flow controller 17, the stop valve 18 and the one-way valve one 19 are arranged on the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2, the filter one 14 and the pressure reducing valve 16 are arranged close to the upstream end of the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2, the one-way valve one 19 is arranged close to the downstream end of the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2, the stop valve 18 is arranged at the upstream end and the downstream end of the reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2, the mass flow controller 17 is a thermal gas mass flow controller 17, the control precision is ≤±1% F.S., and the tolerance pressure is 10 Mpa. The reaction gas feeding pipeline 1 and the purge gas feeding pipeline 2 are gas pipelines, the filter one 14 is arranged at the upstream end of the gas pipeline, can effectively filter the impurities and small particles in the gas entering the gas pipeline, prevent the impurities and particles from entering the gas pipeline and affecting the components on the gas pipeline, also prevent the impurities from entering the reactor 6 and the inside of the device and damaging other equipment, the pressure reducing valve 16 is also arranged close to the upper end of the gas pipeline, and the pressure reducing valve 16 is arranged at the rear end of the filter one 14, so that the gas entering the gas pipeline is preferentially filtered by the filter one 14, the pressure reducing valve 16 adjusts the gas pressure as needed, so that the gas pressure is within a safe range, the pressure gauge one 15 is arranged at the front and rear ends of the pressure reducing valve 16, and the gas pressure before and after pressure reduction is monitored in real time to ensure safety, the stop valve 18 is arranged at the upstream and downstream ends of the gas pipeline, can quickly cut off the gas supply when needed, improves the safety of the device, and is convenient for daily maintenance and repair, the one-way valve one 19 realizes one-way flow in the gas pipeline, prevents backflow and cross contamination, and further improves the reliability and safety of the overall device. The high-pressure bypass 20 is arranged between the inlet end of the mass flow controller 17 and the outlet end of the mass flow controller 17, and can be used as a backup channel to improve the overall stability and safety.

[0033] The electric heating tape 21 is arranged on the outer wall of the pipeline between the preheater 13 and the reactor 6, on the outer wall of the pipeline between the reactor 6 and the condenser 8, and on the outer wall of the pipeline in the product post-processing unit, the electric heating tape 21 can be uniformly distributed along the surface of the pipeline, provides stable heating for the gas or product in the pipeline, is more conducive to the transfer and flow of the gas or product, keeps the gas or product in a specific temperature range, helps to ensure the stability of the gas or product, improves the efficiency of subsequent reactions or condensation, and is conducive to the smooth progress of the product post-processing process.

[0034] The raw material feeding pipeline 4 is provided with a filter two 27, a pressure gauge two 25 and a one-way valve two 26, the filter two 27 is arranged close to the upstream end of the raw material feeding pipeline 4, impurities in the raw material can be filtered through the filter two 27, to ensure that the raw material entering the equipment is pure, the pressure gauge two 25 is used for monitoring the pressure change in the raw material feeding pipeline 4, the one-way valve two 26 is arranged close to the downstream end of the raw material feeding pipeline 4, the one-way valve two 26 ensures that the raw material can only flow in one direction in the raw material feeding pipeline 4, prevents the phenomenon of material backflow, improves the overall safety and stability. The raw material feeding pipeline 4 is connected with a branch pipeline 32, the branch pipeline 32 is provided with a discharge valve 22, the branch pipeline 32 is connected between the metering pump 5 and the one-way valve two 26, the discharge valve 22 can control the flow of the raw material in the raw material feeding pipeline 4, realize the quantitative discharge and cutting of the raw material, also facilitate the subsequent maintenance and overhaul of the equipment. The raw material tank 3 is provided with an electronic scale 24 for monitoring the weight of the raw material in the raw material tank 3, the electronic scale 24 can monitor the weight change of the raw material in the raw material tank 3 in real time, which helps to realize accurate control of the use of raw materials, reduce waste, improve production efficiency and optimize the production process, so as to reasonably arrange the raw material replenishment time and avoid production interruption.

[0035] A sampling tank two 23 is connected to the pipeline between the reactor 6 and the condenser 8, the sampling tank two 23 is arranged close to the outlet end of the reactor 6, the sampling tank two 23 is used for real-time sampling of the reaction product, for monitoring the reaction process and timely adjusting the reaction conditions, to ensure the product quality, the material of the sampling tank two 23 is 316L, the volume is about 5mL, and the operating temperature is RT~100℃.

[0036] The raw material tank 3 is wrapped with a heat preservation heating bag 31, the temperature is adjustable between RT~100℃, the heat preservation heating bag 31 can reduce the heat loss of the surface of the raw material tank 3, ensure that the raw material in the raw material tank 3 can be maintained within the required temperature range, and the heating element in the heat preservation heating bag 31 can also heat and warm up, provide the necessary heat for the raw material tank 3, so that the raw material always remains within the optimum temperature range, thereby ensuring the stability and reliability of the subsequent production process and improving the production efficiency. The heating element can be an electric heating wire, a heating sheet or the like.

[0037] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve basically the same technical problem and achieve basically the same technical effect is also covered by the protection scope of the present application.

Claims

1. A fixed bed hydrogenation reactor characterized by, The utility model relates to a kind of integrated production system of raw material gasification, comprising: Gas feeding unit, including reaction gas feeding line and purge gas feeding line arranged in parallel, the reaction gas feeding line realizes the delivery of reaction gas, the purge gas feeding line realizes the delivery of purge gas; Raw material feeding unit, including raw material tank and raw material feeding line, the raw material tank stores raw material, the raw material feeding line is communicated with the raw material tank, the raw material feeding line is provided with metering pump, the metering pump realizes the negative pressure delivery of raw material by the raw material feeding line; Reaction unit, including reactor and reaction furnace, the reactor is longitudinally arranged in the reaction furnace, the reaction gas feeding line, the purge gas feeding line is connected with the reactor after parallel intersection, the raw material feeding line is connected with the reactor; Product post-processing unit, including condenser, gas-liquid separator and sampling tank one connected in sequence, the condenser is connected with the outlet end of the reactor; Frame structure, the gas feeding unit, the raw material feeding unit, the reaction unit, the product post-processing unit are integrated on the frame structure.

2. The fixed bed hydroreactor according to claim 1, characterized in that: The gas feeding unit further includes buffer tank and preheater, the reaction gas feeding line, the purge gas feeding line is communicated with the inlet end of the buffer tank after parallel intersection, the outlet end of the buffer tank is communicated with the inlet end of the preheater, the outlet end of the preheater is communicated with the inlet end of the reactor, the raw material feeding line is connected after the outlet end of the preheater, and the raw material feeding line is connected before the inlet end of the reactor.

3. The fixed bed hydroreactor of claim 1 wherein: The reaction gas feeding line and the purge gas feeding line are provided with filter one, pressure gauge one, pressure reducing valve, mass flow controller, stop valve and one-way valve one.

4. The fixed bed hydroreactor of claim 3 wherein: The inlet end of the mass flow controller is provided with high-pressure bypass between the outlet end of the mass flow controller.

5. The fixed bed hydroreactor of claim 2 wherein: The outer wall of the pipeline between the preheater and the reactor, the outer wall of the pipeline between the reactor and the condenser, and the outer wall of the pipeline in the product post-processing unit are provided with electric heating tape.

6. The fixed bed hydroreactor of claim 1 wherein: The raw material feeding line is provided with filter two, pressure gauge two and one-way valve two.

7. The fixed bed hydroreactor of claim 1 wherein: The raw material feeding line is connected with branch pipeline, and the branch pipeline is provided with discharge valve.

8. The fixed bed hydroreactor of claim 1 wherein: The raw material tank is provided with electronic scale for monitoring the weight of raw material in the raw material tank.

9. The fixed bed hydroreactor of claim 1 wherein: The pipeline between the reactor and the condenser is connected with sampling tank two.

10. The fixed bed hydroreactor of claim 1 wherein: The raw material tank is wrapped with heat preservation heating bag.

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