CN218647554U - Object device for alkylation process investigation - Google Patents
Object device for alkylation process investigation Download PDFInfo
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- CN218647554U CN218647554U CN202222275173.7U CN202222275173U CN218647554U CN 218647554 U CN218647554 U CN 218647554U CN 202222275173 U CN202222275173 U CN 202222275173U CN 218647554 U CN218647554 U CN 218647554U
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Abstract
The utility model discloses a physical device for alkylation process investigation, wherein a simulated benzene source is used for providing simulated benzene; the benzene buffer tank is connected with the simulated benzene source through a pipeline; the benzene delivery pump is connected with the benzene buffer tank through a pipeline; the shell side inlet of the heat exchanger is connected with a benzene delivery pump through a pipeline; the inlet of the heating furnace is connected with the shell pass outlet of the heat exchanger through a pipeline; the simulation fuel gas source is used for providing simulation fuel gas and is connected with the heating furnace through a pipeline; the top inlet of the alkylation reactor is connected with the outlet of the heating furnace through a pipeline; the simulated refined dry gas source is used for providing simulated refined dry gas and is connected with the alkylation reactor through a pipeline; the bottom outlet of the alkylation reactor is connected with the tube side inlet of the heat exchanger through a pipeline; the inlet of the steam generator is connected with the tube pass outlet of the heat exchanger through a pipeline; and the simulated desalted water source is used for providing simulated desalted water and is connected with the steam generator through a pipeline. The utility model discloses can be better embody alkylation process flow, make the student know the process flow, the production principle of alkylation technology.
Description
Technical Field
The utility model belongs to the technical field of the training of technology safety skill is examined, especially, relate to an alkylation technology examines and banks up with earth and uses device in kind.
Background
Alkylation refers to the alkylation of benzene and ethylene at high temperature in the presence of a catalyst to produce ethylbenzene. Alkylation reaction is an important synthesis means and is widely applied to a plurality of chemical production processes.
As a special process, the alkylation process requires schools, training centers and enterprises to carry out safety, technical and practical training, safety education, skill and practical operation, evaluation and rating work on operators of the alkylation process. According to the alkylation process special operator safety production training outline and the assessment standard, the alkylation process special operator needs to be trained and assessed, but the training and assessment mode is theoretical knowledge training and adopts written answer and mechanical examination and theoretical examination to assess, so that the actual operation capacity of the operator cannot be assessed, and the confirmation of the operation-holding capacity of the enterprise staff by an emergency management department cannot be improved.
Therefore, the simulation training and checking device in the prior art is used for training and checking the practice of students, but the simulation training and checking device adopts a pure simulation mode, no material is needed, all the devices are simulation instrument valves, so that the simulation training and checking device has huge difference from an industrial actual production field, has little significance on the safety guidance work of the industrial production field, and cannot effectively improve the safety skill level of the alkylation process operation of students and practitioners in schools.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model aims at providing an alkylation technology is examined banks up with earth and is used material object device, include:
a simulated benzene source for providing simulated benzene;
the benzene buffer tank is connected with the simulated benzene source through a pipeline;
the benzene delivery pump is connected with the benzene buffer tank through a pipeline;
the shell pass inlet of the heat exchanger is connected with the benzene delivery pump through a pipeline;
an inlet of the heating furnace is connected with a shell pass outlet of the heat exchanger through a pipeline;
the simulated fuel gas source is used for providing simulated fuel gas and is connected with the heating furnace through a pipeline;
the top inlet of the alkylation reactor is connected with the outlet of the heating furnace through a pipeline;
the simulated refined dry gas source is used for providing simulated refined dry gas and is connected with the alkylation reactor through a pipeline;
the bottom outlet of the alkylation reactor is connected with the tube side inlet of the heat exchanger through a pipeline;
an inlet of the steam generator is connected with a tube side outlet of the heat exchanger through a pipeline;
and the simulated desalted water source is used for providing simulated desalted water and is connected with the steam generator through a pipeline.
Preferably, the alkylation reactor is provided with an upper layer of catalyst bed and a lower layer of catalyst bed, and the simulation refining dry gas source is respectively connected with the two layers of catalyst beds through two pipelines.
Preferably, a differential pressure detector is arranged between the two catalyst bed layers.
Preferably, the simulated benzene and the simulated desalted water are both water, and the simulated fuel gas and the simulated refined dry gas are both air.
Preferably, the benzene buffer tank and the steam generator are both provided with liquid level meters.
Preferably, pressure gauges are arranged on a pipeline between the benzene delivery pump and the heat exchanger, a pipeline between the simulated fuel gas source and the heating furnace, the alkylation reactor, a pipeline between the simulated refined dry gas source and the alkylation reactor, and the steam generator.
Preferably, flow meters are arranged on a pipeline between the benzene delivery pump and the heat exchanger, a pipeline between the simulated refined dry gas source and the alkylation reactor, and a pipeline between the simulated desalted water source and the steam generator.
Preferably, temperature meters are arranged on a pipeline between the heat exchanger and the heating furnace, on a pipeline between the heating furnace and the alkylation reactor, on a pipeline between the heat exchanger and the steam generator, on the steam generator and at a condensation outlet of the steam generator.
Preferably, a gas component analyzer is arranged on a pipeline connecting an outlet at the bottom of the alkylation reactor with the heat exchanger.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model discloses set up simulation benzene source, benzene buffer tank, benzene delivery pump, heat exchanger, heating furnace, simulation fuel air supply, hydrocarbonization reactor, simulation refined dry gas source, steam generator and simulation desalination water source for can be better embody typical alkylation process flow in the industry reality, make the structure and the usage performance of student's understanding typical process flow, production principle, capital equipment of alkylation technology trade. The operation of real instruments and equipment, simulated material water and air is adopted, the safety is ensured, the operation material is safe, environment-friendly and recyclable, and the operation cost is low.
Drawings
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is an overall schematic view of the present invention.
Description of the reference numerals:
d101: a benzene buffer tank; p101: a benzene delivery pump; e101: a heat exchanger; e102: a steam generator; f101: a heating furnace; r101: an alkylation reactor; f: a flow meter; p: a pressure gauge; l: a liquid level meter; t: a thermometer; a: a gas composition analyzer; PD: and a differential pressure detector.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to be construed as precise ratios, which are merely intended to facilitate and clarify the explanation of the embodiments of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1, the core of the utility model is to provide a real object device for alkylation process investigation, which is used for matching with a DCS control system to realize the training and examination of the safety and skill of the alkylation process operation. The system comprises a simulated benzene source, a benzene buffer tank D101, a benzene transfer pump P101, a heat exchanger E101, a heating furnace F101, a simulated fuel gas source, a alkylation reactor R101, a simulated refined dry gas source, a steam generator E102 and a simulated desalted water source.
The simulated benzene source was used to provide simulated benzene, which in this example was water. The benzene buffer tank D101 is connected with a simulated benzene source through a pipeline, and the simulated benzene is introduced into the benzene buffer tank D101 through the simulated benzene source.
An inlet of the benzene delivery pump P101 is connected with an outlet of the benzene buffer tank D101 through a pipeline and is used for extracting the simulated benzene in the benzene buffer tank D101. The outlet of the benzene delivery pump P101 is connected with the shell side inlet of the heat exchanger E101 through a pipeline, the simulated benzene is delivered to the shell side of the heat exchanger E101, and the shell side outlet of the heat exchanger E101 is connected with the inlet of the heating furnace F101 through a pipeline. In the real reaction, the physical liquid benzene enters the shell pass of the heat exchanger E101 to exchange heat with the reacted hydrocarbonized product in the tube pass, so that the physical liquid benzene is heated and vaporized into benzene vapor, and then the benzene vapor is introduced into the heating furnace F101 to be further heated to an overheated state.
The simulated benzene in the device flows out through the auxiliary pipeline after passing into the shell pass of the heat exchanger E101. Simulated benzene steam may or may not flow between the shell side of the heat exchanger E101 and the heating furnace F101. When the simulated benzene steam circulates, air can be introduced to the shell side outlet of the heat exchanger E101 through the air main to provide the simulated benzene steam, and the air in the air main comes from the air compressor.
The simulation fuel gas source is connected with the fuel inlet of the heating furnace F101 through a pipeline and is used for providing simulation fuel gas, and the simulation fuel gas is air in the embodiment. In the real reaction, real fuel gas enters the heating furnace F101 to be combusted and heated to be superheated, and the benzene steam is heated to be superheated.
The outlet of the heating furnace F101 is connected to the top inlet of the alkylation reactor R101 through a pipeline, and the superheated benzene vapor enters the alkylation reactor R101 from the heating furnace F101 during the actual reaction.
The simulated refined dry gas source is used for providing simulated refined dry gas, is connected with the alkylation reactor R101 through a pipeline, and is introduced into the alkylation reactor R101, and the simulated refined dry gas is air in the embodiment. In the actual reaction, the actual refined dry gas and the actual superheated benzene vapor undergo the alkylation reaction in the alkylation reactor R101 to produce a high temperature alkylation product. In the device, the simulated refined dry gas and the simulated superheated benzene steam are both air, so that the alkylation reaction does not occur, the simulated alkylation product is replaced by air, and the air source is the simulated refined dry gas.
Further, the alkylation reactor R101 is provided with an upper catalyst bed and a lower catalyst bed, and the simulated refined dry gas source is respectively connected with the two catalyst beds through two pipelines.
The bottom outlet of the alkylation reactor R101 is connected with the tube pass inlet of the heat exchanger E101 through a pipeline, the simulated alkylation product is introduced into the tube pass of the heat exchanger E101, and the tube pass outlet of the heat exchanger E101 is connected with the inlet of the steam generator E102 through a pipeline. In the real reaction, the high-temperature alkylation product enters the tube side of the heat exchanger E101 to exchange heat with real liquid benzene in the shell side of the heat exchanger E, the real liquid benzene is heated and vaporized into benzene steam, and the temperature of the alkylation product is reduced after heat exchange, but the alkylation product is still in a gas state. In the device, the simulated alkylation product is air, so that the simulated alkylation product does not exchange heat with the simulated benzene, the simulated alkylation product after heat exchange is replaced by air, and the air comes from the simulated alkylation product before heat exchange.
The heat exchanged simulated product of the alkylation enters the steam generator E102 through a pipeline, and the simulated desalted water source is used for providing simulated desalted water and is connected to the steam generator E102 through a pipeline, wherein the simulated desalted water is water in this embodiment. In the real reaction, the alkylation product enters the steam generator E102 and exchanges heat with desalted water, the desalted water is heated and vaporized into water vapor, the alkylation product is cooled and condensed into a liquid alkylation product, the water vapor is introduced into the steam pipe network through a pipeline, and the liquid alkylation product is conveyed to the ethylbenzene rectification section through a pipeline. In the device, because the simulated alkylation product after heat exchange is air and the simulated desalted water is water, heat exchange cannot occur.
The utility model discloses an alkylation technology is examined and is banked up with real apparatus in kind still is equipped with real instrument assembly, and instrument assembly includes a plurality of differential pressure detector PD, level gauge L, manometer P, flowmeter F, thermometer T and gas composition analysis appearance A.
A differential pressure detector PD is respectively arranged between the upper end and the lower end of the two layers of catalyst beds. A liquid level meter L is arranged on each of the benzene buffer tank D101 and the steam generator E102.
A pressure gauge P is arranged on a pipeline between the benzene delivery pump P101 and the heat exchanger E101, a pipeline between the simulated fuel gas source and the heating furnace F101, a pipeline between the alkylation reactor R101, a pipeline between the simulated refined dry gas source and the alkylation reactor R101 and a steam generator E102.
Flow meters F are arranged on a pipeline between the benzene delivery pump P101 and the heat exchanger E101, a pipeline between the simulated refined dry gas source and the alkylation reactor R101, and a pipeline between the simulated desalination water source and the steam generator E102.
A temperature meter T is arranged on a pipeline between the heat exchanger E101 and the heating furnace F101, on a pipeline between the heating furnace F101 and the alkylation reactor R101, on a pipeline between the heat exchanger E101 and the steam generator E102, on the steam generator E102 and on a condensation outlet of the steam generator E102.
A gas component analyzer A is arranged on a pipeline of the outlet at the bottom of the alkylation reactor R101 connected with the heat exchanger E101.
The utility model discloses select the reaction workshop section of alkylation industry for the design blue book, the device is whole to be taken simulation material water and air operation, guarantees safety, and operation material safety, environmental protection, and circulated use, the running cost is low. And each instrument is real instrument, can let the student better carry out the study experience.
Will the utility model discloses combine real industrial grade DCS control system, can realize alkylation technology operation safety skill training and examination. The DCS interface data can simulate the process parameters of a real alkylation process device system in the industry, the simulation processing is carried out after the instrument measurement signals are collected, and the DCS instrument data can simulate the process parameters of the real alkylation process device system in the industry. And the system can also be combined with an ESD interlocking control system, and integrates training and examination. The ESD interlocking system is independent of a DCS control system, and the safety level of the ESD interlocking system is higher than that of the DCS.
Will the utility model discloses combine real industrial grade DCS control system, can make the training examination point abundant, the design has hidden danger investigation, the device to open and park, normal operating, exception handling and a great deal of training examination content such as emergent processing. The device can realize a plurality of training and checking functions of hidden danger troubleshooting, device driving operation, device normal operation, device stopping operation, exception handling, emergency treatment and the like, and can perform training and checking on site hazard sources, safety precautions, personal protection and the like of the alkylating process device of a student. And the examination and training functions of the starting process, the normal operation, the parking process and the fault accident treatment process of the alkylation process object device can be realized.
The utility model discloses an appearance and the mounting means of each equipment adopt the industrialization overall arrangement according to the industrial field reality for through combining real industrial grade DCS control system, can extensively develop the training of alkylation technology high risk enterprise safety skill and examination, realize many first safety skill training carrier, support the construction of alkylation technology safety skill training foundation ability.
The utility model discloses to the school research and teaching needs of the engineering and science major such as chemical engineering safety engineering, chemical engineering and technology, applied chemistry, electrical engineering, towards the production safety skill training of training center and chemical enterprise, the needs that the examination rating was collected evidence, the design has developed the alkylation technology and has examined and banked up with material object device, through will the utility model discloses combine advanced acoustic-optical-electrical technology and industrial level control system, combine the dangerization article industry actual conditions, can realize that the form of emulation simulation carries out the inspection and banked up with alkylation technology operation safety skill actual practices, fuse the dangerous chemical industry technology operation safety training of school student, enterprise's responsible person and enterprise safety management personnel, special operation personnel, post personnel safety training, emergent rehearsal training, occupational safety health etc. form one set of complete, scientific effectual, have distinctive new system of the alkylation technology operation safety skill actual practices examination.
The device can better embody typical alkylation process flow in industrial practice by combining with a real industrial-grade DCS control system, the field devices are formed by reducing typical equipment in the alkylation process according to a certain proportion, but are real equipment with real production capacity, and students can know the typical process flow, the production principle, the structure and the application performance of main equipment and the like in the alkylation process industry. The method can be used for carrying out the training and the examination of the safety skills of high-risk enterprises in the alkylation process, can realize the fastening examination standard design through a real industrial DCS control system, follows the process principle, integrates abnormal faults, sets an accident simulation scene and can realize the automatic scoring of a computer.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (9)
1. A physical device for alkylation process culture, which is characterized by comprising:
a simulated benzene source for providing simulated benzene;
the benzene buffer tank is connected with the simulated benzene source through a pipeline;
the benzene delivery pump is connected with the benzene buffer tank through a pipeline;
the shell pass inlet of the heat exchanger is connected with the benzene delivery pump through a pipeline;
an inlet of the heating furnace is connected with a shell pass outlet of the heat exchanger through a pipeline;
the simulated fuel gas source is used for providing simulated fuel gas and is connected with the heating furnace through a pipeline;
the top inlet of the alkylation reactor is connected with the outlet of the heating furnace through a pipeline;
the simulated refined dry gas source is used for providing simulated refined dry gas and is connected with the alkylation reactor through a pipeline;
the bottom outlet of the alkylation reactor is connected with the tube pass inlet of the heat exchanger through a pipeline;
an inlet of the steam generator is connected with a tube side outlet of the heat exchanger through a pipeline;
a simulated desalted water source for providing simulated desalted water and connected to the steam generator by piping.
2. The physical device for alkylation process culture according to claim 1, wherein the alkylation reactor comprises an upper catalyst bed and a lower catalyst bed, and the simulated refined dry gas source is connected to the two catalyst beds through two pipelines.
3. The physical device for alkylation process culture according to claim 2, wherein a differential pressure detector is provided between the upper and lower ends of the two catalyst beds.
4. The physical device for alkylation process culture according to claim 1, wherein the simulated benzene and the simulated desalted water are both water, and the simulated fuel gas and the simulated refined dry gas are both air.
5. The physical device for alkylation process cultivation according to claim 1, wherein a liquid level meter is provided on each of the benzene buffer tank and the steam generator.
6. The physical device for alkylation process culture according to claim 1, wherein pressure gauges are disposed on the pipeline between the benzene transfer pump and the heat exchanger, the pipeline between the simulated fuel gas source and the heating furnace, the alkylation reactor, the pipeline between the simulated refined dry gas source and the alkylation reactor, and the steam generator.
7. The physical apparatus for alkylation process culture according to claim 1, wherein flow meters are disposed on the pipeline between the benzene transfer pump and the heat exchanger, the pipeline between the simulated refined dry gas source and the alkylation reactor, and the pipeline between the simulated desalted water source and the steam generator.
8. The physical device for alkylation process culture according to claim 1, wherein temperature meters are disposed on the pipeline between the heat exchanger and the heating furnace, on the pipeline between the heating furnace and the alkylation reactor, on the pipeline between the heat exchanger and the steam generator, on the steam generator, and at the condensation outlet of the steam generator.
9. The physical device for alkylation process culture according to claim 1, wherein a gas analyzer is disposed on a pipeline connecting the outlet at the bottom of the alkylation reactor to the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222275173.7U CN218647554U (en) | 2022-08-29 | 2022-08-29 | Object device for alkylation process investigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222275173.7U CN218647554U (en) | 2022-08-29 | 2022-08-29 | Object device for alkylation process investigation |
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| Publication Number | Publication Date |
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| CN218647554U true CN218647554U (en) | 2023-03-17 |
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| CN202222275173.7U Active CN218647554U (en) | 2022-08-29 | 2022-08-29 | Object device for alkylation process investigation |
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| CN (1) | CN218647554U (en) |
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- 2022-08-29 CN CN202222275173.7U patent/CN218647554U/en active Active
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