SU354880A1 - METHOD FOR AUTOMATIC CONTROL OF A PROCESS IN A CONTACT APPARATUS - Google Patents
METHOD FOR AUTOMATIC CONTROL OF A PROCESS IN A CONTACT APPARATUSInfo
- Publication number
- SU354880A1 SU354880A1 SU1439244A SU1439244A SU354880A1 SU 354880 A1 SU354880 A1 SU 354880A1 SU 1439244 A SU1439244 A SU 1439244A SU 1439244 A SU1439244 A SU 1439244A SU 354880 A1 SU354880 A1 SU 354880A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- automatic control
- contact apparatus
- component
- contact
- flow rate
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 7
- 239000011541 reaction mixture Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
Изобретение относитс к автоматическому унравлению каталитическими процессами в контактных анпаратах и может быть использовано в химической, нефтехимической и др. отрасл х промышленности.The invention relates to the automatic control of catalytic processes in contact devices and can be used in the chemical, petrochemical and other industries of the industry.
Известен способ автоматического управлени процессом В контактном аппарате, заключающийс в регулировании соотношени расходов реагирующих компонентов. Таким способом обеспечиваетс посто нное врем контакта реакционной смесн на номинальном режиме работы аппарата. При этом отмечаетс непосто нство времени контакта реакционной смеси на режимах иониженной нроизводительности , в том числе пусковых. Это приводит к нерегреву катализатора, потере его активности.There is a method of automatic process control in a contact apparatus, which consists in controlling the ratio of the costs of reactive components. In this way, a constant contact time of the reaction mixture at the nominal operating mode of the apparatus is ensured. At the same time, the inconsistency of the contact time of the reaction mixture during ionized production modes, including the starting ones, is noted. This leads to non-heating of the catalyst, loss of its activity.
С целью обеспечени посто нного времени контакта реакционной смеси на режимах понижеиной производительности предлагаетс изменением расхода инертного но отноилению к реакции компонента ноддерживать посто нным суммарный расход компонентов в аппарат .In order to ensure a constant contact time of the reaction mixture at lower performance modes, it is proposed to change the flow rate to be inert but not relative to the reaction of the component, but to maintain a constant total consumption of components into the apparatus.
На чертеже изображена схема автоматического регулированн подачи сырь в контактный аппарат по предлагаемому способу. Расход ведущего реагирующего компонента ноддерживают регул тором / расхода, расход ведомого реагирующего компонента регулируют в заданной пропорции с ведущим регул тором 2 соотношени .The drawing shows a diagram of the automatic regulated supply of raw materials to the contact apparatus according to the proposed method. The flow rate of the leading reactive component is maintained by the regulator / flow rate, the flow rate of the slave reactive component is controlled in a predetermined proportion with the master regulator 2 ratio.
Расход инертного по отношению к реакции компонента регулируют с помощью фуикциоиального блока 3, который по сигналу датчика расхода ведущего компонента А выполн ет операцию вычислени разности между суммарным расходом компонентов при номинальной нагрузке н суммой расходов реагирующих компонентов Б; выходной сигнал функционального блока 3 подаетс в качестве задани на регул тор 4 расхода инертного но отношению к реакции компонента.The consumption of the inert component with respect to the reaction is controlled by means of a fuction unit 3, which, using a signal from the flow sensor of the leading component A, performs the operation of calculating the difference between the total consumption of the components at nominal load and the sum of the expenses of the reacting components B; the output signal of the function block 3 is supplied as a reference to the flow controller 4 which is inert but relative to the reaction of the component.
Предмет изобретени Subject invention
Снособ автоматического уиравленн процессом iB контактном аппарате, заключающийс в регулировании соотношени расходов реагирующих компонентов, отличающийс тем, что, с целью обеспечепи иосто нного временн контакта реакционной смеси на режимах иониженной ироизводителыюсти, изменением расхода инертного но отношению к реакции комнонента ноддерживают посто иным суммарный расход компонентов в аниарате .The method of automatic control of the iB process by the contact apparatus, which consists in controlling the ratio of the flow rates of the reacting components, characterized in that, in order to ensure a consistent time contact of the reaction mixture in the ionized and production modes, the flow rate of the inert component to the reaction of the component is kept constant aniarate.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU354880A1 true SU354880A1 (en) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617110A (en) * | 1984-06-11 | 1986-10-14 | Phillips Petroleum Company | Control of a hydrofining process for hydrocarbon-containing feed streams which process employs a hydrodemetallization reactor in series with a hydrodesulfurization reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617110A (en) * | 1984-06-11 | 1986-10-14 | Phillips Petroleum Company | Control of a hydrofining process for hydrocarbon-containing feed streams which process employs a hydrodemetallization reactor in series with a hydrodesulfurization reactor |
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