CN214714454U - Surplus heat utilization device in rectification production - Google Patents
Surplus heat utilization device in rectification production Download PDFInfo
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- CN214714454U CN214714454U CN202121058925.3U CN202121058925U CN214714454U CN 214714454 U CN214714454 U CN 214714454U CN 202121058925 U CN202121058925 U CN 202121058925U CN 214714454 U CN214714454 U CN 214714454U
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Abstract
The utility model discloses a surplus heat utilization device in rectification production, which comprises a rectification tower, a steam generator, a steam superheater, a temperature and pressure reducer and a reflux pump; the rectifying tower is provided with a cold reflux inlet, a hot reflux inlet, a reflux outlet and a steam inlet; the reflux outlet is communicated with an inlet guide pipe of the reflux pump, the outlet of the reflux pump is respectively connected with the hot reflux inlet and the cold reflux inlet through guide pipes, and the steam superheater and the steam generator are connected in parallel on a pipeline between the outlet of the reflux pump and the cold reflux inlet; the water inlet of the steam generator is connected with a water supply pipeline, a steam outlet of the steam generator is communicated with an air inlet guide pipe of the steam superheater, and an air outlet of the steam superheater is connected with a deaerator, a temperature and pressure reducing device and a tank area heat tracing pipeline in parallel. The utility model discloses not only can be with the rational utilization of the abundant heat in the production, greatly reduced manufacturing cost makes the productivity effect obtain improving moreover.
Description
Technical Field
The utility model relates to a rectification production waste heat utilization technical field, concretely relates to surplus heat utilization equipment in rectification production.
Background
At present, a rectifying tower used in petroleum rectification production generally needs cold reflux and hot reflux, wherein the cold reflux generally adopts an air cooler and a heat exchanger for cooling, so that the part of heat is not utilized, the air cooler and the heat exchanger can generate energy consumption, and in addition, a deaerator, a tank area heat tracing and the rectifying tower used in a production field are heated by boiler steam, so that an inventor wants to design a heat utilization device, and the device which needs cooling and the device which needs heating are assembled in the rectifying field, so that the surplus heat in the production can be reasonably utilized.
Disclosure of Invention
The utility model aims at providing a defect to prior art exists provides a surplus heat utilizes device in rectification production, and its is rational in infrastructure, not only can be with the rational utilization of the surplus heat in the production, and greatly reduced manufacturing cost makes the productivity effect obtain improving moreover.
The technical scheme of the utility model is that:
a device for utilizing surplus heat in rectification production comprises a rectification tower, a steam generator, a steam superheater, a temperature and pressure reducer and a reflux pump;
the rectifying tower is provided with a cold reflux inlet, a hot reflux inlet, a reflux outlet and a steam inlet;
the reflux outlet is communicated with an inlet guide pipe of the reflux pump, the outlet of the reflux pump is respectively connected with the hot reflux inlet and the cold reflux inlet through guide pipes, and the steam superheater and the steam generator are connected in parallel on a pipeline between the outlet of the reflux pump and the cold reflux inlet and supply heat sources for the steam superheater and the steam generator through the reflux pump;
a water inlet of the steam generator is connected with a water supply pipeline, a steam outlet of the steam generator is communicated with a gas inlet guide pipe of the steam superheater, and a gas outlet of the steam superheater is connected with a first branch, a second branch and a third branch in parallel;
the first branch is connected with a deaerator and provides a heat source for the deaerator through the first branch, the second branch is connected with a temperature and pressure reducing device, and the third branch is connected with a tank area heat tracing pipeline.
Preferably, the third branch is further branched to a branch connected to a vapor inlet of the rectifying tower.
Preferably, the water inlet and the water outlet of the deaerator are connected in series on a water supply pipeline.
Preferably, a flow regulating valve is installed at a cold reflux inlet of the rectifying tower.
Preferably, the hot reflux inlet of the rectifying tower is provided with a flow regulating valve.
Compared with the prior art, the utility model, have following advantage:
absorb heat in with rectifying column return line through steam superheater and steam generator, form the cold backward flow to the rectifying column, this part of heat passes through steam superheater and steam generator and makes the steam with the water that comes of supply channel simultaneously, be the regeneration tower at the rectification scene by steam again, device such as jar district pipe heat and oxygen-eliminating device provide the heat source, thereby realize the cooling to cold return line, and to the heat rationalization's of cold return line utilization, and then can greatly reduced manufacturing cost, make the productivity effect obtain improving.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. rectifying column, 2, cold reflux entry, 3, steam generator, 4, hot reflux entry, 5, reflux outlet, 6, steam inlet, 7, steam superheater, 8, reflux pump, 9, oxygen-eliminating device, 10, temperature and pressure reducer, 11, first branch, 12, second branch, 13, third branch, 301, water inlet, 302, steam outlet, 701, air inlet, 702, gas outlet.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
Referring to fig. 1, the device for utilizing surplus heat in rectification production comprises a rectification tower 1, a steam generator 3, a steam superheater 7, a temperature and pressure reducer 10 and a reflux pump 8.
Wherein, the rectifying tower 1 is provided with a cold reflux inlet 2, a hot reflux inlet 4, a reflux outlet 5 and a steam inlet 6.
The reflux outlet 5 is communicated with an inlet conduit of a reflux pump 8, and an outlet of the reflux pump 8 is respectively connected with the hot reflux inlet 4 and the cold reflux inlet 2 through conduits.
The steam superheater 7 and the steam generator 3 are connected in parallel on a pipeline between the outlet of the reflux pump 8 and the cold reflux inlet 2, and heat sources are supplied to the steam superheater 7 and the steam generator 3 through the reflux pump 8.
The water inlet 301 of the steam generator 3 is connected with a water supply pipeline, and the steam outlet 302 of the steam generator 3 is in conduit communication with the air inlet 701 of the steam superheater 7.
The gas outlet 702 of the steam superheater 7 is connected in parallel with a first branch 11, a second branch 12 and a third branch 13.
Wherein, first branch road 11 is connected with oxygen-eliminating device 9 to provide the heat source for oxygen-eliminating device 9 through first branch road 11, second branch road 12 is connected with temperature and pressure reduction ware 10, and third branch road 13 is connected with the tank field heat tracing pipe way.
In operation, the heat in the return pipeline of the rectifying tower 1 is absorbed through the steam superheater 7 and the steam generator 3 to form cold return flow to the rectifying tower 1, and meanwhile, the heat makes the water coming from the water supply pipeline into steam through the steam superheater 7 and the steam generator 3;
and then the steam provides heat sources for devices such as a regeneration tower, a tank area pipe heat and a deaerator 9 on the rectification site, so that the cooling of a cold return pipeline and the reasonable utilization of the heat of the cold return pipeline are realized, the production cost can be greatly reduced, and the production benefit is improved.
Example 2
The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:
the third branch 13 is also provided with a branch connected with the steam inlet 6 of the rectifying tower 1, and steam produced by utilizing waste heat is supplied to the rectifying tower 1 for supply, so that the steam consumption of the rectifying tower 1 is greatly reduced, and the production energy consumption is further reduced.
In addition, a plurality of groups of water inlet and outlet pipelines can be connected to the deaerator 9, wherein one group of water inlet and outlet pipelines are connected in series to the water supply pipeline, so that the deaerator 9 can be used for deaerating water for manufacturing steam, oxygen dissolved in water supply is removed, and the service lives of the pipeline and equipment are prolonged.
Example 3
The embodiment is further optimized on the basis of embodiment 1 or embodiment 2, and specifically includes:
flow control valves are installed at a cold reflux inlet 2 and a hot reflux inlet 4 of the rectifying tower 1, and cold reflux and hot reflux are adjusted through the flow control valves, so that different flows can be adapted according to the working conditions on site.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (5)
1. A surplus heat utilization device in rectification production is characterized in that: comprises a rectifying tower, a steam generator, a steam superheater, a temperature and pressure reducer and a reflux pump;
the rectifying tower is provided with a cold reflux inlet, a hot reflux inlet, a reflux outlet and a steam inlet;
the reflux outlet is communicated with an inlet guide pipe of the reflux pump, the outlet of the reflux pump is respectively connected with the hot reflux inlet and the cold reflux inlet through guide pipes, and the steam superheater and the steam generator are connected in parallel on a pipeline between the outlet of the reflux pump and the cold reflux inlet and supply heat sources for the steam superheater and the steam generator through the reflux pump;
a water inlet of the steam generator is connected with a water supply pipeline, a steam outlet of the steam generator is communicated with a gas inlet guide pipe of the steam superheater, and a gas outlet of the steam superheater is connected with a first branch, a second branch and a third branch in parallel;
the first branch is connected with a deaerator and provides a heat source for the deaerator through the first branch, the second branch is connected with a temperature and pressure reducing device, and the third branch is connected with a tank area heat tracing pipeline.
2. The surplus heat utilization device in rectification production according to claim 1, characterized in that: and a branch connected with a steam inlet of the rectifying tower is also branched from the third branch.
3. The surplus heat utilization device in rectification production according to claim 1, characterized in that: and the water inlet and the water outlet of the deaerator are connected in series on a water supply pipeline.
4. The surplus heat utilization device in rectification production according to claim 1, characterized in that: and a flow regulating valve is arranged at a cold reflux inlet of the rectifying tower.
5. The surplus heat utilization device in rectification production according to claim 1, characterized in that: and a flow regulating valve is arranged at a hot reflux inlet of the rectifying tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058925.3U CN214714454U (en) | 2021-05-18 | 2021-05-18 | Surplus heat utilization device in rectification production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058925.3U CN214714454U (en) | 2021-05-18 | 2021-05-18 | Surplus heat utilization device in rectification production |
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| CN214714454U true CN214714454U (en) | 2021-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247168A (en) * | 2021-12-23 | 2022-03-29 | 山西普丽环境工程股份有限公司 | Steam-hot water coupling low-temperature flash evaporation device and flash evaporation method |
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2021
- 2021-05-18 CN CN202121058925.3U patent/CN214714454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247168A (en) * | 2021-12-23 | 2022-03-29 | 山西普丽环境工程股份有限公司 | Steam-hot water coupling low-temperature flash evaporation device and flash evaporation method |
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