CN206345827U - A kind of crude distillation tower top WHRS - Google Patents
A kind of crude distillation tower top WHRS Download PDFInfo
- Publication number
- CN206345827U CN206345827U CN201720005900.4U CN201720005900U CN206345827U CN 206345827 U CN206345827 U CN 206345827U CN 201720005900 U CN201720005900 U CN 201720005900U CN 206345827 U CN206345827 U CN 206345827U
- Authority
- CN
- China
- Prior art keywords
- valve
- turbocompressor
- heat exchanger
- tower top
- condenser
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of crude distillation tower top WHRS.Its technical scheme is：Including the second valve, heat exchanger, turbocompressor, condenser and generator, in the front end of the first valve the second valve in parallel, heat exchanger is connected by the second valve, turbocompressor is entered by hot water piping by the hot water of heat exchanger, the outlet of turbocompressor is connected to condenser, the delivery port of condenser is connected to the import of heat exchanger by circularly-supercharged pump, forms Waste Heat Reuse circulation；Described turbocompressor connection generator, is generated electricity by generator.Beneficial effect is：1st, generated electricity using tower top used heat, and thermal source grade is improved with high-efficiency heating system；2nd, former air cooling system is varied without, i.e., former air cooling system can retain, when the utility model breaks down or needs system maintenance, it is possible to use former air cooling system works on, is unlikely to cause to shut down.
Description
Technical field
The utility model is related to a kind of crude oil processing afterheat utilizing system, and more particularly to a kind of crude distillation tower top used heat is returned
Receipts system.
Background technology
Crude distillation is the first procedure of crude oil processing, and crude oil is through being distillated into various oil products and downstream process units
Raw material.Crude(oil)unit consumed energy accounts for refinery always with the 25%~30% of energy, maximum as consumption in oil plant
Device, therefore the technological transformation that each oil plant of China is carried out to it centered on reducing energy consumption just seems very necessary.Refinery
In for the high residual heat resources of grade, due to the reason such as energy conversion efficiency is high, comprehensive benefit is good, have been obtained for effective time
Receive and utilize, and reclaim and much limited for the relatively low residual heat resources of temperature.
The of a relatively high oil gas of distillation tower top temperature is directly directly cooled down by circulating water or air cooling, and the waste heat of oil gas does not have
It is fully utilized, is unfavorable for the energy-saving of device.Low temperature exhaust heat is most rational as directly heating with thermal source, but
It is that hot trap often occurs not enough in actual conditions, considers that upgrading is utilized this when, the low temperature exhaust heat with distillation tower top enters
Row generates electricity, can abundant recovery waste heat, solve the problem of distilling tower top return-flow system a large amount of waste heat loss, economic benefit is obvious.
The content of the invention
The drawbacks described above that the purpose of this utility model exists aiming at prior art is useless there is provided a kind of crude distillation tower top
Heat recovery system, the distillation tower top return-flow system for refinery carries out the recovery of low temperature exhaust heat, is effectively improved heat waste, improves
The utilization rate of heat.
Its technical scheme is：Including destilling tower（a）, the first valve（c）, aerial cooler（d）, booster pump（g）, it is described to steam
Evaporate tower（a）Tower top pass through pipeline and the first valve（c）It is connected to aerial cooler（d）, hot water passes through aerial cooler（d）It is cold
But after, then booster pump is passed through（g）It is pumped into destilling tower（a）Form circulation；It is characterized in that：Also include the second valve（b）, heat exchanger
（e）, turbocompressor（f）, condenser（i）And generator（h）, in the first valve（c）Front end second valve in parallel（b）, lead to
Cross the second valve（b）Connect heat exchanger（e）, by heat exchanger（e）Hot water turbocompressor is entered by hot water piping（f）,
Turbocompressor（f）Outlet be connected to condenser（i）, condenser（i）Delivery port pass through circularly-supercharged pump（L）It is connected to and changes
Hot device（e）Import, formed Waste Heat Reuse circulation；Described turbocompressor（f）Connect generator（h）, pass through generator（h）
Generated electricity.
Above-mentioned generator（h）Power output end connection electromagnetic heater（j）, in electromagnetic heater（j）Outlet connect
Jointing temp sensor（j）.
Above-mentioned electromagnetic heater（j）Outlet be provided with triple valve（k）, electromagnetic heater（j）Outlet be connected to it is described
Triple valve（k）First via import；Condenser（i）Delivery port pass through electromagnetic heater（j）It is connected to triple valve（k）Second
Road import；Triple valve（k）Outlet be connected to user and use end.
Above-mentioned booster pump（g）With destilling tower（a）Between be provided with surge tank（m）.
The beneficial effects of the utility model are：1st, efficient use tower top used heat, is generated electricity with waste heat, and with height
Imitate heating system and improve thermal source grade, effectively make use of the waste heat of tower top；2nd, vary without former air cooling system, i.e., it is former empty
Air cooling system can retain, when present system breaks down or needs system maintenance, it is possible to use former air cooling system
Continue cooling tower top oil gas, be unlikely to cause to shut down, refinery's loss can be substantially reduced.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
In figure：Destilling tower a, the second valve b, the first valve c, aerial cooler d, heat exchanger e, turbocompressor f, supercharging
Pump g, generator h, condenser i, temperature sensor j, triple valve k, circularly-supercharged pump L, surge tank m.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
The utility model includes destilling tower a, the first valve c, aerial cooler d, booster pump g, the tower top of the destilling tower a
Aerial cooler d is connected to by pipeline and the first valve c, hot water is after aerial cooler d coolings, then passes through booster pump g
It is pumped into destilling tower a formation circulations；Its improvement is：Also include the second valve b, heat exchanger e, turbocompressor f, condenser i and
Generator h, in the first valve c the second valve b of front end parallel connection, by the second valve b connection heat exchanger e, by heat exchanger e's
Hot water enters turbocompressor f by hot water piping, and turbocompressor f outlet is connected to condenser i, condenser i water outlet
Mouth is connected to heat exchanger e import by circularly-supercharged pump L, forms Waste Heat Reuse circulation；Described turbocompressor f connections hair
Motor h, is generated electricity by generator h；Surge tank m is provided between above-mentioned booster pump g and destilling tower a.
Wherein, generator h power output end connection electromagnetic heater j, is passed in electromagnetic heater j outlet connection temperature
Sensor j, can adjust temperature according to the need for user.
In addition, electromagnetic heater j outlet is provided with triple valve k, electromagnetic heater j outlet is connected to the triple valve k
First via import；Condenser i delivery port is connected to triple valve k the second tunnel import by electromagnetic heater j；Triple valve k
Outlet be connected to user and use end.
Use process of the present utility model is as follows：
Flow：
（1）Organic Rankine bottoming cycle electricity generation module
1) the first valve c is closed, the second valve b is opened, tower top gas stream crosses heat exchanger, into booster pump, it is ensured that original dress
Put stress level；
2) heat exchanger flows out turbine built with liquid thermal conductivity media after entering turbocompressor, adiabatic expansion by heating
Compressor, and form gaseous state；
3) gaseous heat-conducting medium enters condenser, is changed into liquid by condensation, and be again introduced into by circularly-supercharged pump L
Heat exchanger e is circulated.
（2）Heat water supply module
With electromagnetic heater to being heated by condenser compared with low-temperature water heating, to meet the need to different temperatures hot water
Ask；The heat of the temperature of hot water is controlled by temperature sensor, to meet the diversified demand of different temperatures hot water.
The utility model has the advantages that：
1st, efficient use tower top used heat, is generated electricity with waste heat, and improves thermal source grade with high-efficiency heating system,
It effectively make use of the waste heat of tower top；2nd, former air cooling system is varied without, i.e., former air cooling system can retain, when this
When invention system breaks down or needs system maintenance, it is possible to use former air cooling system continues cooling tower top oil gas, is unlikely to
Cause to shut down, refinery's loss can be substantially reduced.
It is described above, only it is preferred embodiment of the present utility model, any those skilled in the art may profit
Equivalent technical scheme is changed the utility model or is revised as with the technical scheme of above-mentioned elaboration.Therefore, foundation
Any simple modification or substitute equivalents that the technical solution of the utility model is carried out, belong to the greatest extent what the utility model was claimed
Scope.
Claims (4)
1. a kind of crude distillation tower top WHRS, including destilling tower（a）, the first valve（c）, aerial cooler（d）, increase
Press pump（g）, the destilling tower（a）Tower top pass through pipeline and the first valve（c）It is connected to aerial cooler（d）, hot water process
Aerial cooler（d）After cooling, then pass through booster pump（g）It is pumped into destilling tower（a）Form circulation；It is characterized in that：Also include second
Valve（b）, heat exchanger（e）, turbocompressor（f）, condenser（i）And generator（h）, in the first valve（c）Front end it is in parallel
Second valve（b）, pass through the second valve（b）Connect heat exchanger（e）, by heat exchanger（e）Hot water entered by hot water piping
Turbocompressor（f）, turbocompressor（f）Outlet be connected to condenser（i）, condenser（i）Delivery port pass through circulate increase
Press pump（L）It is connected to heat exchanger（e）Import, formed Waste Heat Reuse circulation；Described turbocompressor（f）Connect generator
（h）, pass through generator（h）Generated electricity.
2. a kind of crude distillation tower top WHRS according to claim 1, it is characterized in that：Described generator
（h）Power output end connection electromagnetic heater（j）, in electromagnetic heater（j）Outlet connection temperature sensor（j）.
3. a kind of crude distillation tower top WHRS according to claim 2, it is characterized in that：Described Electromagnetic Heating
Device（j）Outlet be provided with triple valve（k）, electromagnetic heater（j）Outlet be connected to the triple valve（k）First via import；
Condenser（i）Delivery port pass through electromagnetic heater（j）It is connected to triple valve（k）The second tunnel import；Triple valve（k）Outlet
It is connected to user and uses end.
4. a kind of crude distillation tower top WHRS according to claim 1, it is characterized in that：Described booster pump
（g）With destilling tower（a）Between be provided with surge tank（m）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005900.4U CN206345827U (en) | 2017-01-04 | 2017-01-04 | A kind of crude distillation tower top WHRS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005900.4U CN206345827U (en) | 2017-01-04 | 2017-01-04 | A kind of crude distillation tower top WHRS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206345827U true CN206345827U (en) | 2017-07-21 |
Family
ID=59319461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720005900.4U Expired - Fee Related CN206345827U (en) | 2017-01-04 | 2017-01-04 | A kind of crude distillation tower top WHRS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206345827U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426372A (en) * | 2018-02-28 | 2018-08-21 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
| CN112076493A (en) * | 2020-09-10 | 2020-12-15 | 大庆中蓝石化有限公司 | Waste heat recycling system of diesel hydrogenation device |
| CN113739123A (en) * | 2020-05-29 | 2021-12-03 | 中国石油化工股份有限公司 | Low-temperature heat recovery process for refinery plant |
-
2017
- 2017-01-04 CN CN201720005900.4U patent/CN206345827U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426372A (en) * | 2018-02-28 | 2018-08-21 | 新奥泛能网络科技股份有限公司 | High-temperature heating equipment |
| CN113739123A (en) * | 2020-05-29 | 2021-12-03 | 中国石油化工股份有限公司 | Low-temperature heat recovery process for refinery plant |
| CN112076493A (en) * | 2020-09-10 | 2020-12-15 | 大庆中蓝石化有限公司 | Waste heat recycling system of diesel hydrogenation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20180104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |