CN108587676A - A kind of device of catalytic cracking of crude oil - Google Patents

A kind of device of catalytic cracking of crude oil Download PDF

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Publication number
CN108587676A
CN108587676A CN201810638014.4A CN201810638014A CN108587676A CN 108587676 A CN108587676 A CN 108587676A CN 201810638014 A CN201810638014 A CN 201810638014A CN 108587676 A CN108587676 A CN 108587676A
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CN
China
Prior art keywords
reactor
regenerator
seal bootr
catalytic cracking
crude oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810638014.4A
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Chinese (zh)
Inventor
刘纯习
刘宝刚
董佳佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Bo Si Chemical Technology Co Ltd
Original Assignee
Nanjing Bo Si Chemical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Bo Si Chemical Technology Co Ltd filed Critical Nanjing Bo Si Chemical Technology Co Ltd
Priority to CN201810638014.4A priority Critical patent/CN108587676A/en
Publication of CN108587676A publication Critical patent/CN108587676A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G11/00Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/02Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G11/00Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/14Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
    • C10G11/18Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
    • C10G11/182Regeneration
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/70Catalyst aspects

Abstract

The present invention provides a kind of device of catalytic cracking of crude oil.The present invention includes reactor and regenerator, the reactor and regenerator use coaxially arranged form, the inlet of the reactor is provided with venturi ejector-type gas mixing device, the arrival end of the venturi ejector-type gas mixing device is separately connected raw material engine oil atomization device and atomizing steam feedway, the entrance of the outlet end connection reactor of the venturi ejector-type gas mixing device, the top layout of the regenerator has seal bootr, the reactor is stretched into the seal bootr and is connect with gas-solid separator, the top of the seal bootr connects gas collecting tube, the seal bootr passes through the reclaimable catalyst inclined tube connection regenerator, the regenerator passes through the degassing tank connection reactor.The present invention can effectively avoid secondary response, effectively improve the yield of low-carbon alkene, and energy saving.

Description

A kind of device of catalytic cracking of crude oil
Technical field:
The present invention relates to a kind of devices of catalytic cracking of crude oil, belong to air cleaning facility technical field.
Background technology:
Catalytic pyrolysis under the conditions of being existing for catalyst, carries out Pintsch process to produce ethylene, propylene, fourth to petroleum hydrocarbon The low-carbon alkenes such as alkene, and the process of simultaneous production light aromatics simultaneously.Due to the presence of catalyst, catalytic pyrolysis can reduce reaction temperature Degree increases productivity of low carbon olefin hydrocarbon and lightweight fragrance Auditory steady-state responses, improves the flexibility of cracking product distribution.
Influence with its influence to catalytic cracking similar, the atomizing effect of raw material and gasification of the operating condition to catalytic pyrolysis Effect is better, and the conversion ratio of feedstock oil is higher, and productivity of low carbon olefin hydrocarbon is also higher;Reaction temperature is higher, and oil ratio is bigger, then raw material Oily conversion ratio and productivity of low carbon olefin hydrocarbon are higher, but the yield of coke also becomes larger;Since the reaction temperature of catalytic pyrolysis is higher, it is Excessive secondary response is prevented, therefore the oil gas residence time is unsuitable long;And the influence of reaction pressure is relatively small.Theoretically Analysis, catalytic pyrolysis should use the mode of operation of high temperature, short residence time, big quantity of steam and high agent-oil ratio, can be only achieved as possible Maximum productivity of low carbon olefin hydrocarbon.Existing equipment, cannot be satisfied above-mentioned condition, cause reaction serious.
Invention content
The purpose of the present invention is providing a kind of device of catalytic cracking of crude oil in view of the above problems, can effectively keep away Exempt from secondary response, effectively improves the yield of low-carbon alkene, and energy saving.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of device of catalytic cracking of crude oil, including reactor and regenerator, the reactor and regenerator are using coaxially arranged Form, the inlet of the reactor is provided with venturi ejector-type gas mixing device, the venturi ejector-type gas mixing device Arrival end is separately connected raw material engine oil atomization device and atomizing steam feedway, the outlet end of the venturi ejector-type gas mixing device The entrance of the connection reactor, the top layout of the regenerator have seal bootr, the reactor to stretch into the closing It is connect in cover and with gas-solid separator, the top of the seal bootr connects gas collecting tube, and the seal bootr is oblique by reclaimable catalyst The pipe connection regenerator, the regenerator pass through the degassing tank connection reactor.
The connecting pipe of the device of the catalytic cracking of crude oil, the degassing tank and the reactor is arranged in institute The outlet end top for the venturi ejector-type gas mixing device stated.
The device of the catalytic cracking of crude oil is provided with cyclonic separation between the seal bootr and the gas collecting tube Device.
The device of the catalytic cracking of crude oil is provided with valve on the reclaimable catalyst inclined tube.
The device of the catalytic cracking of crude oil, regenerator the inside are provided with air distributor.
Advantageous effect:
The present invention reactor inlet at be provided with venturi ejector-type gas mixing device, by after atomization feedstock oil and steam by setting It is equipped with after venturi ejector-type gas mixing device is uniformly mixed and pressurizes and is sent into reactor, the speed stopped in the reactor is significantly Shorten, to effectively avoid secondary response, effectively improves the yield of low-carbon alkene, and energy saving.
Description of the drawings
The structural schematic diagram of Fig. 1, the present invention.
In figure:1, reactor;2, regenerator;3, venturi ejector-type gas mixing device;4, raw material engine oil atomization device;5, it is atomized Steam feedway;6, seal bootr;7, gas-solid separator;8, gas collecting tube;9, reclaimable catalyst inclined tube;10, degassing tank;11, it revolves Wind separator;12, valve;13, air distributor.
Specific implementation mode
With reference to embodiment, the present invention is furture elucidated, it should be understood that following specific implementation modes are only used for It is bright the present invention rather than limit the scope of the invention.
As shown in Figure 1, a kind of device of catalytic cracking of crude oil of the present embodiment, including reactor 1 and regenerator 2, it is described Reactor and regenerator use coaxially arranged form, and the inlet of the reactor is provided with venturi ejector-type gas mixing device 3, the arrival end of the venturi ejector-type gas mixing device is separately connected raw material engine oil atomization device 4 and atomizing steam feedway 5, institute The entrance of the outlet end connection reactor of venturi ejector-type gas mixing device is stated, the top layout of the regenerator has envelope Cover 6 is closed, the reactor is stretched into the seal bootr and connect with gas-solid separator 7, and the top of the seal bootr connects gas collection Pipe 8, the seal bootr connect the regenerator by reclaimable catalyst inclined tube 9, and the regenerator is connected by degassing tank 10 The reactor.
The connecting pipe of the device of the catalytic cracking of crude oil, the degassing tank and the reactor is arranged in institute The outlet end top for the venturi ejector-type gas mixing device stated.
The device of the catalytic cracking of crude oil is provided with cyclone separator between the seal bootr and the gas collecting tube 11。
The device of the catalytic cracking of crude oil is provided with valve 12 on the reclaimable catalyst inclined tube.
The device of the catalytic cracking of crude oil, regenerator the inside are provided with air distributor 13.
The course of work:
Feedstock oil and steam after atomization are sent into anti-after being uniformly mixed and pressurize by being provided with venturi ejector-type gas mixing device It answers in device, is sufficiently mixed with the catalyst after being regenerated in degassing tank, under the high pressure of venturi ejector-type gas mixing device, feedstock oil Residence time greatly shortens in the reactor, to effectively avoid secondary response, effectively improves the yield of low-carbon alkene, and It is energy saving.
It should be pointed out that above-mentioned embodiment is only intended to clearly illustrate example, and not to embodiment It limits, there is no necessity and possibility to exhaust all the enbodiments.Each component part being not known in the present embodiment It is realized with the prior art.For those skilled in the art, in the premise for not departing from the principle of the invention Under, several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (5)

1. a kind of device of catalytic cracking of crude oil, it is characterised in that:Including reactor and regenerator, the reactor and regenerator Using coaxially arranged form, the inlet of the reactor is provided with venturi ejector-type gas mixing device, and the venturi draws The arrival end for penetrating formula carbo-charger is separately connected raw material engine oil atomization device and atomizing steam feedway, and the venturi injection type is mixed The entrance of the outlet end connection reactor of gas device, the top layout of the regenerator have seal bootr, the reactor It stretches into the seal bootr and is connect with gas-solid separator, the top of the seal bootr connects gas collecting tube, and the seal bootr passes through The reclaimable catalyst inclined tube connection regenerator, the regenerator pass through the degassing tank connection reactor.
2. the device of catalytic cracking of crude oil according to claim 1, it is characterised in that:The degassing tank with it is described anti- The connecting pipe of device is answered to be arranged on the outlet end top of the venturi ejector-type gas mixing device.
3. the device of catalytic cracking of crude oil according to claim 1, it is characterised in that:The seal bootr and the gas collection Cyclone separator is provided between pipe.
4. the device of catalytic cracking of crude oil according to claim 1, it is characterised in that:On the reclaimable catalyst inclined tube It is provided with valve.
5. the device of catalytic cracking of crude oil according to claim 1, it is characterised in that:It is provided with inside the regenerator Air distributor.
CN201810638014.4A 2018-06-20 2018-06-20 A kind of device of catalytic cracking of crude oil Pending CN108587676A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810638014.4A CN108587676A (en) 2018-06-20 2018-06-20 A kind of device of catalytic cracking of crude oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810638014.4A CN108587676A (en) 2018-06-20 2018-06-20 A kind of device of catalytic cracking of crude oil

Publications (1)

Publication Number Publication Date
CN108587676A true CN108587676A (en) 2018-09-28

Family

ID=63628832

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810638014.4A Pending CN108587676A (en) 2018-06-20 2018-06-20 A kind of device of catalytic cracking of crude oil

Country Status (1)

Country Link
CN (1) CN108587676A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1853768A (en) * 2005-04-29 2006-11-01 中国石油化工股份有限公司 Improved petroleum hydrocarbon catalytic cracking reactor
CN202658136U (en) * 2012-06-26 2013-01-09 中国石油化工股份有限公司 Petroleum hydrocarbon catalytic cracking device
CN103897721A (en) * 2014-03-10 2014-07-02 沈庆成 Feeding spray nozzle of raising pipe of high-efficiency catalytic cracking device and atomizing method
CN208577668U (en) * 2018-06-20 2019-03-05 南京博酝化工科技有限公司 A kind of device of catalytic cracking of crude oil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1853768A (en) * 2005-04-29 2006-11-01 中国石油化工股份有限公司 Improved petroleum hydrocarbon catalytic cracking reactor
CN202658136U (en) * 2012-06-26 2013-01-09 中国石油化工股份有限公司 Petroleum hydrocarbon catalytic cracking device
CN103897721A (en) * 2014-03-10 2014-07-02 沈庆成 Feeding spray nozzle of raising pipe of high-efficiency catalytic cracking device and atomizing method
CN208577668U (en) * 2018-06-20 2019-03-05 南京博酝化工科技有限公司 A kind of device of catalytic cracking of crude oil

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