CN108212024B - Refined reactor with lightning stroke protection function - Google Patents

Refined reactor with lightning stroke protection function Download PDF

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Publication number
CN108212024B
CN108212024B CN201711419764.4A CN201711419764A CN108212024B CN 108212024 B CN108212024 B CN 108212024B CN 201711419764 A CN201711419764 A CN 201711419764A CN 108212024 B CN108212024 B CN 108212024B
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China
Prior art keywords
pneumatic motor
air
discharge electrode
refining reactor
reactor
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CN201711419764.4A
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Chinese (zh)
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CN108212024A (en
Inventor
夏冰
于海彬
律昊辰
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HAINAN HANDI SUNSHINE PETROCHEMICAL CO Ltd
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HAINAN HANDI SUNSHINE PETROCHEMICAL CO Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/008—Feed or outlet control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
    • C10G47/36—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00256—Leakage

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The invention provides a refining reactor with a lightning stroke protection function, which comprises a refining reactor body, wherein a feeding pipe is arranged at the top of the refining reactor body, the feeding pipe is provided with a feeding valve, the feeding valve is connected with a pneumatic motor for driving the feeding valve to be opened and closed, an insulating rod is arranged at the top of the refining reactor body, an insulating box is arranged at the top of the insulating rod, a plurality of discharge electrodes which are vertically arranged are arranged in the insulating box, an air gap is reserved between the discharge electrodes, the insulating box is provided with an air hole aligned with the air gap, a metal needle is arranged on the discharge electrode, and the insulating box is connected with the pneumatic motor through a main. The lightning is led to the discharge electrode, the energy is released by the lightning from the air gap, and the broken air expands to blow out the electric arc through the through hole, so that the arc extinguishing effect is achieved. The expanded air is transmitted to the pneumatic motor through the main pipeline, and the feeding hole is closed to prevent hydrogen leakage. The expanded air is in a high-pressure state in the insulation box, and the high-pressure air drives the pneumatic motor to close the feeding valve through the main pipeline.

Description

Refined reactor with lightning stroke protection function
Technical Field
The invention relates to the technical field of refining reactor equipment, in particular to a refining reactor with a lightning stroke protection function.
Background
Hydrocracking is a process in the petrochemical industry, i.e. a process in which heavy oil undergoes hydrogenation, cracking and isomerization reactions under the action of a catalyst by hydrogen at a relatively high pressure and temperature during the petroleum refining process, and is converted into light oil. For multi-bed finishing reactors, the finishing reactor height is typically high, and in some cases the finishing reactor is installed outdoors. As the refining reactor is made of metal, the refining reactor is easy to be struck by lightning in a thunder and lightning high-rise area, the refining reactor is filled with hydrogen, and the consequence is unreasonable once leakage occurs. The existing refining reactor has no lightning stroke protection function, and a feed inlet of the refining reactor cannot be automatically closed after lightning occurs. In view of this, a refining reactor with lightning strike protection is needed.
Disclosure of Invention
Therefore, the invention provides a refining reactor with a lightning stroke protection function, which can absorb the energy of lightning when the lightning occurs and automatically close a feed inlet of the refining reactor after the lightning occurs so as to prevent safety accidents caused by hydrogen leakage.
The technical scheme of the invention is realized as follows: the utility model provides a refined reactor with thunderbolt protect function, includes the refined reactor body, refined reactor body top is equipped with the inlet pipe, the inlet pipe is equipped with the feed valve, the feed valve is connected with the pneumatic motor that is used for driving the feed valve to open and close, refined reactor body top is equipped with the insulator spindle, the insulator spindle top is equipped with insulating box, be equipped with the discharge electrode of a plurality of range from top to bottom in the insulating box, leave the air gap between the discharge electrode, insulating box be equipped with the gas pocket that the air gap aligns, be equipped with the metal needle on the discharge electrode, insulating box pass through the trunk line with pneumatic motor connects.
Furthermore, the insulation box is sleeved in the air cylinder, and the air cylinder is made of insulation materials.
Furthermore, the discharge electrode is a conical discharge electrode, metal discs which are stacked are arranged in the insulating box, and the conical discharge electrode is arranged on the upper end face and the lower end face of each metal disc.
Furthermore, a check valve is arranged on a main pipeline of the pneumatic motor connected with the insulation box, and the check valve limits gas to flow to the pneumatic motor only from the insulation box.
Further, the pneumatic motor is a gear type pneumatic motor.
Furthermore, an air inlet of the pneumatic motor is connected with the insulation box, an air outlet of the pneumatic motor is connected with the air pump, a bypass pipe connected to two ends of the check valve is arranged on the main pipeline, and an electromagnetic stop valve is arranged on the bypass pipe.
Furthermore, a first control switch for controlling the air pump to work and a second control switch for controlling the electromagnetic cut-off valve to be switched are arranged below the refining reactor body.
Further, the insulator spindle is hollow insulator spindle, the insulator spindle below is equipped with the interface of being connected with the trunk line, insulating box be equipped with the opening of insulator spindle intercommunication, the opening is located under the discharge electrode.
Compared with the prior art, the invention has the beneficial effects that: after lightning occurs, the lightning is led to the metal needle, the metal needle leads the lightning to the discharge electrodes, the lightning spreads between the discharge electrodes arranged from top to bottom and breaks down air gaps between the discharge electrodes to release energy, and broken-down air expansion blows out electric arcs through the through holes to achieve an arc extinguishing effect. The expanded air is in a high-pressure state in the insulation box, and the high-pressure air drives the pneumatic motor to close the feeding valve through the main pipeline, so that hydrogen leakage is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of a discharge electrode according to the present invention;
in the figure, 1 refining reactor body, 2 feeding pipes, 3 feeding valves, 4 pneumatic motors, 5 insulating rods, 6 insulating boxes, 7 discharge electrodes, 8 air gaps, 9 air holes, 10 metal needles, 11 main pipes, 12 air cylinders, 13 metal disks, 14 conical discharge electrodes, 15 one-way valves, 16 air pumps, 17 bypass pipes, 18 electromagnetic stop valves and 19 openings.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 2, the refining reactor with the lightning stroke protection function provided by the invention comprises a refining reactor body 1, wherein a feed pipe 2 is arranged at the top of the refining reactor body 1, the feed pipe 2 is provided with a feed valve 3, the feed valve 3 is connected with a pneumatic motor 4 for driving the feed valve 3 to open and close, an insulating rod 5 is arranged at the top of the refining reactor body 1, an insulating box 6 is arranged at the top of the insulating rod 5, a plurality of vertically arranged discharge electrodes 7 are arranged in the insulating box 6, air gaps 8 are reserved among the discharge electrodes 7, the insulating box 6 is provided with air holes 9 aligned with the air gaps 8, metal needles 10 are arranged on the discharge electrodes 7, and the insulating box 6 is connected with the pneumatic motor 4 through a main pipeline 11. The main conduit is a pipe capable of guiding gas to the pneumatic motor 4. The metal needle 10 is located at the highest position, thunder falls on the metal needle 10 when lightning strikes, the thunder is led to the discharge electrodes 7 through the metal needle 10, air gaps 8 are used between the discharge electrodes 7, the thunder breaks through the air gaps 8 between the discharge electrodes 7, the air expands when heated, the expanded air diffuses around to extinguish electric arcs of the thunder, meanwhile, the expanded air flows to the pneumatic motor 4 through the main pipeline 11, the pneumatic motor 4 drives the feed valve 3 to be closed, reactants are stopped to be supplied, fire or explosion accidents caused by hydrogen leakage are avoided, and the feed valve 3 is opened again after the refined reactor body 1 is inspected. The insulating rod 5 prevents lightning from flowing to the refining reactor, causing electric shock to personnel.
Specifically, the insulation box 6 is sleeved in the air cylinder 12, and the air cylinder 12 is made of an insulation material. The air inside the insulating box 6 is relatively sealed by the air cylinder 12, so that the expanding air mainly flows out through the main duct 11, which increases the air pressure, thus increasing the power of the pneumatic motor 4 and the stability of the closing of the inlet valve 3.
Specifically, the discharge electrode 7 is a conical discharge electrode 14, a metal disc 13 is stacked in the insulating box 6, and the conical discharge electrode 14 is disposed on the upper and lower end surfaces of the metal disc 13. The metal discs 13 are stacked, the conical discharge electrodes 14 of the adjacent metal discs 13 are opposite, lightning current discharges through the conical discharge electrodes 14 of different metal discs 13, the current breaks through air, the air breakdown area of the conical discharge electrodes 14 is increased, the energy consumption of lightning is increased, the air expansion rate is increased, the speed of the expanded air sprayed to the air holes 9 is increased, and the arc extinguishing effect is improved. The air expansion rate increases, the driving force to the pneumatic motor 4 increases, and the stability of closing the feed valve 3 improves.
Specifically, a check valve 15 is arranged on a main pipeline 11, which is connected with the pneumatic motor 4 and the insulation box 6, and the check valve 15 limits that air can only flow to the pneumatic motor 4 from the insulation box 6. Expanded air flows to pneumatic motor 4 through trunk line 11, and the expanded air pressure in the twinkling of an eye after the thunderbolt is accomplished can reduce fast because the temperature drops and sprays to gas pocket 9, and check valve 15 avoids the air refluence in the trunk line 11 that air pressure reduces the cause, and it is inseparable to avoid 3 closess doors of feed valve.
Specifically, the pneumatic motor 4 is a gear type pneumatic motor 4.
Specifically, an air inlet of the pneumatic motor 4 is connected with the insulation box 6, an air outlet of the pneumatic motor 4 is connected with an air pump 16, a bypass pipe 17 connected to two ends of the check valve 15 is arranged on the main pipe 11, and an electromagnetic stop valve 18 is arranged on the bypass pipe 17. The electromagnetic shut-off valve 18 on the bypass pipe 17 is in a closed state, preventing air from flowing through the bypass pipe 17. After the inspection of the purification reactor body 1 is completed, the feed valve 3 can be opened to continue the operation. When the feed valve 3 is opened, the electromagnetic stop valve 18 is opened firstly, air is supplied to the air outlet of the pneumatic motor 4 through the air pump 16, the feed valve 3 is opened by the reverse rotation of the pneumatic motor 4, the air flows to the insulation box 6 through the bypass pipe 17, impurities in the pipeline can be blown away by the reverse flow of the air flow, the cleaning effect is achieved, and the pneumatic motor 4 is prevented from being damaged.
Specifically, a first control switch (not shown) for controlling the operation of the air pump 16 and a second control switch (not shown) for controlling the opening and closing of the electromagnetic shutoff valve 18 are arranged below the refining reactor body 1. The first control switch and the second control switch are arranged below the refining reactor, so that the operation of workers is facilitated, and the refining reactor can be controlled on the ground after the detection is finished.
Specifically, insulator spindle 5 is hollow insulator spindle 5, the insulator spindle 5 below is equipped with the interface of being connected with trunk line 11, insulating box 6 be equipped with the opening 19 of insulator spindle 5 intercommunication, opening 19 is located under discharge electrode 7. The expanded air flows downwards from the middle part of the insulating rod 5 and is finally connected with the main pipeline 11 through the interface, the distance between the main pipeline 11 and the discharge electrode 7 is long, and the insulating property is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. A refined reactor with lightning stroke protection function is characterized in that: including the refined reactor body, refined reactor body top is equipped with the inlet pipe, the inlet pipe is equipped with the feed valve, the feed valve is connected with the pneumatic motor that is used for driving the feed valve to open and close, refined reactor body top is equipped with the insulator spindle, the insulator spindle top is equipped with insulating box, be equipped with the discharge electrode of a plurality of range from top to bottom in the insulating box, leave the air gap between the discharge electrode, insulating box be equipped with the gas pocket that the air gap aligns, be equipped with the metal needle on the discharge electrode, insulating box pass through the trunk line with pneumatic motor connects.
2. The refining reactor with lightning strike protection as recited in claim 1, wherein: the insulation box is sleeved in the air cylinder, and the air cylinder is made of insulation materials.
3. The refining reactor with lightning strike protection as recited in claim 1, wherein: the discharge electrode is a conical discharge electrode, metal discs which are stacked are arranged in the insulating box, and the conical discharge electrode is arranged on the upper end face and the lower end face of each metal disc.
4. The refining reactor with lightning strike protection as recited in claim 1, wherein: the pneumatic motor is provided with a one-way valve on a main pipeline connected with the insulation box, and the one-way valve limits gas to flow to the pneumatic motor only from the insulation box.
5. The refining reactor with lightning strike protection as recited in claim 1, wherein: the pneumatic motor is a gear type pneumatic motor.
6. The refining reactor with lightning strike protection as recited in claim 4, wherein: the air inlet of the pneumatic motor is connected with the insulation box, the air outlet of the pneumatic motor is connected with the air pump, a bypass pipe connected to two ends of the one-way valve is arranged on the main pipeline, and an electromagnetic stop valve is arranged on the bypass pipe.
7. The refining reactor with lightning strike protection as recited in claim 6, wherein: and a first control switch for controlling the air pump to work and a second control switch for controlling the electromagnetic cut-off valve to be switched are arranged below the refining reactor body.
8. The refining reactor with lightning strike protection as recited in claim 1, wherein: the utility model discloses a discharge electrode, including insulator spindle, insulator spindle.
CN201711419764.4A 2017-12-25 2017-12-25 Refined reactor with lightning stroke protection function Active CN108212024B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711419764.4A CN108212024B (en) 2017-12-25 2017-12-25 Refined reactor with lightning stroke protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711419764.4A CN108212024B (en) 2017-12-25 2017-12-25 Refined reactor with lightning stroke protection function

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CN108212024A CN108212024A (en) 2018-06-29
CN108212024B true CN108212024B (en) 2020-08-14

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61193415A (en) * 1985-02-22 1986-08-27 Hitachi Ltd Reactor
CN102403578A (en) * 2010-09-13 2012-04-04 五冶集团上海有限公司 Mounting method of lightning protection and grounding equipment in benzol hydrogenation process
CN203392270U (en) * 2013-07-31 2014-01-15 莱芜钢铁集团有限公司 Raw material storage tank having nitrogen sealing protection function in benzene hydrogenation device
CN103594210B (en) * 2013-11-13 2015-10-28 王巨丰 Multiple level self-expanding air blast is vertical blows out arc lightning protection device
CN204134647U (en) * 2014-08-25 2015-02-04 韩春来 New Regenerated tower

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PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A Refining Reactor with Lightning Strike Protection

Effective date of registration: 20220729

Granted publication date: 20200814

Pledgee: Industrial Bank Co.,Ltd. Haikou Branch

Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd.

Registration number: Y2022980011532

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230818

Granted publication date: 20200814

Pledgee: Industrial Bank Co.,Ltd. Haikou Branch

Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd.

Registration number: Y2022980011532

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A Refinement Reactor with Lightning Protection Function

Effective date of registration: 20230823

Granted publication date: 20200814

Pledgee: Industrial Bank Co.,Ltd. Haikou Branch

Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd.

Registration number: Y2023980053471