CN206724221U - Residual neat recovering system - Google Patents
Residual neat recovering system Download PDFInfo
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- CN206724221U CN206724221U CN201720446809.6U CN201720446809U CN206724221U CN 206724221 U CN206724221 U CN 206724221U CN 201720446809 U CN201720446809 U CN 201720446809U CN 206724221 U CN206724221 U CN 206724221U
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- steam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
It the utility model is related to a kind of residual neat recovering system, including heater, extraction steam pipe, steam pipe, drain pipe and flash vessel.Heater has the first steam inlet, the second steam inlet, the first steam (vapor) outlet and the second steam (vapor) outlet.First steam inlet connects with the first steam (vapor) outlet.Second steam inlet connects with the second steam (vapor) outlet.Extraction steam pipe has the first venthole.First venthole is connected by the first pipeline with the first steam inlet.Steam pipe has the second venthole.Second venthole is connected by second pipe with the second steam inlet.First steam (vapor) outlet is connected by the 3rd pipeline with drain pipe.Second steam (vapor) outlet is connected by the 4th pipeline with flash vessel.Flash vessel has the 3rd venthole and delivery port.3rd venthole is connected by the 5th pipeline with the first pipeline, extraction steam pipe or the first steam inlet.Delivery port is connected by the 6th pipeline with drain pipe.Above-mentioned residual neat recovering system can improve capacity usage ratio.
Description
Technical field
Thermal power generating technology field is the utility model is related to, more particularly to a kind of residual neat recovering system.
Background technology
At home in waste incineration power generation project, traditional First air steam regenerative air heater uses two-step heating mode
Heat air.The hydrophobic collection of two-step heating steam is to atmospheric drainage flash tank.After atmospheric drainage flash tank dilatation
The hydrophobic drain tank that drains into is pumped to oxygen-eliminating device through hydrophobic again.Therefore, traditional heating air method will heat the hydrophobic straight of steam
Run in drain tank, there is the waste of energy, causes capacity usage ratio low.
Utility model content
Based on this, it is necessary to for capacity usage ratio it is low the problem of, there is provided a kind of high waste heat recovery system of capacity usage ratio
System.
A kind of residual neat recovering system, including heater, extraction steam pipe, steam pipe, drain pipe and flash vessel, the heating dress
Putting has the first steam inlet, the second steam inlet, the first steam (vapor) outlet and the second steam (vapor) outlet, first steam inlet with
First steam (vapor) outlet connection, second steam inlet connect with second steam (vapor) outlet, and the extraction steam pipe is with the
One venthole, first venthole are connected by the first pipeline with first steam inlet, and the steam pipe has second
Venthole, second venthole are connected by second pipe with second steam inlet, and first steam (vapor) outlet passes through
3rd pipeline is connected with the drain pipe, and second steam (vapor) outlet is connected by the 4th pipeline with the flash vessel, the expansion
Container has the 3rd venthole and a delivery port, the 3rd venthole by the 5th pipeline and first pipeline, described draw gas
Pipe or first steam inlet connection, the delivery port are connected by the 6th pipeline with the drain pipe.
Above-mentioned residual neat recovering system, heater is built with material to be heated.Steam from steam turbine is by extraction steam pipe, simultaneously
Enter heater from the first steam inlet, material to be heated is heated to the first preset temperature.Main steam by steam pipe and from
Second steam inlet enters heater, and the material to be heated in the first preset temperature is heated into the second preset temperature.Main steaming
After the hydrophobic discharge from the second venthole of vapour, into flash vessel.Flash vessel is by the hydrophobic steam and hydrophobic isolated of main steam.Wherein,
Isolated steam has available energy.Isolated steam is entered by the 5th pipeline, the first steam inlet and added
In thermal, material to be heated is heated to the first preset temperature.In this way, above-mentioned residual neat recovering system can effectively utilize master
The energy of steam drainage, effectively improves capacity usage ratio.
In one of the embodiments, first pipeline is provided with the first pressure regulator valve, and/or, the second pipe is provided with
Second pressure regulator valve.Steam pressure in first the first pipeline of pressure regulation valve regulation so that steam pressure and heating in the first pipeline
The operating pressure of device matches, so as to be advantageous to improve the operating efficiency and service life of heater.Second pressure regulator valve is adjusted
Saving the steam pressure in second pipe so that the operating pressure of steam pressure and heater in second pipe matches, from
And be advantageous to improve the operating efficiency and service life of heater.
In one of the embodiments, the 3rd pipeline is provided with the first steam trap, and/or, the 6th pipeline is provided with
Second steam trap.First steam trap and/or the second steam trap can adjust hydrophobic pressure and hydrophobic flow so that hydrophobic pressure with
The operating pressure of drain pipe matches, and avoids damaging drain pipe.
In one of the embodiments, above-mentioned residual neat recovering system also includes oxygen-eliminating device, one end of the drain pipe and institute
State oxygen-eliminating device connection.Because main steam is hydrophobic after flash vessel, the steam of high temperature continues on for heating material to be heated, after separation
Drain temperature is low, and the drain temperature in drain pipe is low, and therefore, drain pipe can be connected directly with oxygen-eliminating device, need not move through drainage pump,
So as to using electricity wisely.
In one of the embodiments, the 5th pipeline is provided with check-valves.Check-valves, which is used to limit in the 5th pipeline, to be steamed
The flow direction of vapour.Steam can only flow to the first pipeline, extraction steam pipe or the first steam inlet from flash vessel in 5th pipeline.
In one of the embodiments, the heater is air preheater or fuel preheater.Work as heater
For air preheater when, material to be heated is air.When heater is fuel preheater, material to be heated is fuel.Therefore, root
According to the difference of heater, above-mentioned residual neat recovering system can be used in the heating of different materials to be heated.
Brief description of the drawings
Fig. 1 is the schematic diagram of residual neat recovering system in the utility model embodiment.
100th, heater, the 101, first steam inlet, the 102, second steam inlet, the 103, first steam (vapor) outlet, 104,
Second steam (vapor) outlet, 200, extraction steam pipe, the 201, first venthole, 300, steam pipe, the 301, second venthole, 400, drain pipe,
500th, flash vessel, the 501, the 3rd steam inlet, the 502, the 3rd venthole, 503, delivery port, the 610, first pipeline, 611, first adjusts
Pressure valve, 620, second pipe, the 621, second pressure regulator valve, the 630, the 3rd pipeline, the 631, first steam trap, the 640, the 4th pipeline,
650th, the 5th pipeline, 651, check-valves, the 660, the 6th pipeline, the 661, second steam trap.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
The more thorough and comprehensive that the disclosure of type understands.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when, do not deposit
In intermediary element." first " described in the utility model, " second ", " the 3rd ", " the 4th ", " the 5th ", " the 6th " do not represent tool
The quantity and order of body, are only used for the differentiation of title.
As shown in figure 1, a kind of residual neat recovering system, including heater 100, extraction steam pipe 200, steam pipe 300, drain pipe
400 and flash vessel 500.Heater 100 has the first steam inlet 101, the second steam inlet 102, the first steam (vapor) outlet 103
With the second steam (vapor) outlet 104.First steam inlet 101 connects with the first steam (vapor) outlet 103.Second steam inlet 102 and second
Steam (vapor) outlet 104 connects.Extraction steam pipe 200 has the first venthole 201.First venthole 201 passes through the first pipeline 610 and first
Steam inlet 101 connects.Steam pipe 300 has the second venthole 301.Second venthole 301 passes through second pipe 620 and second
Steam inlet 102 connects.First steam (vapor) outlet 103 is connected by the 3rd pipeline 630 with drain pipe 400.Second steam (vapor) outlet 104
Connected by the 4th pipeline 640 with flash vessel 500.Flash vessel 500 has the 3rd venthole 502 and delivery port 503.3rd goes out vapour
Mouth 502 is connected by the 5th pipeline 650 with the first pipeline 610, the steam inlet 101 of extraction steam pipe 200 or first.Delivery port 503 is logical
The 6th pipeline 660 is crossed to connect with drain pipe 400.
Above-mentioned residual neat recovering system, heater 100 is built with material to be heated.Steam from steam turbine passes through extraction steam pipe
200 and from the first steam inlet 101 enter heater 100, material to be heated is heated to the first preset temperature.Main steam passes through
Cross steam pipe 300 and enter heater 100 from the second steam inlet 102, the material to be heated in the first preset temperature is added
Heat is to the second preset temperature.Flash vessel 500 is provided with the 3rd steam inlet 501.Main steam is hydrophobic to discharge from the second venthole 301
Afterwards, flash vessel 500 is entered by the 3rd steam inlet 501.Flash vessel 500 is by the hydrophobic steam and hydrophobic isolated of main steam.Its
In, isolated steam has available energy.Isolated steam enters heater by the 5th pipeline 650
In 100, material to be heated is heated to the first preset temperature together with from the steam of steam turbine.In this way, isolated steam energy
Access and make full use of, avoid being directly discharged in air, avoid causing energy dissipation.Isolated steam passes through the 5th pipe
Road 650 is used to heat material to be heated, can reduce using the steam from steam turbine, reduce the steam consumption.Above-mentioned residual neat recovering system
The hydrophobic energy of main steam can be effectively utilized, effectively improves capacity usage ratio.
Specifically, the material to be heated in heater 100 separates with heating steam.Heater 100 is provided with heating pipe.
Material to be heated moves along heating pipe.For the steam and heating pipe heat transfer of heating, so as to being treated in heating pipe
Heating thing is heated.
It is appreciated that heater 100 is two-step heating device or Multi-stage heating device.
Specifically, as shown in figure 1, heater 100 is air preheater or fuel preheater.When heater 100
For air preheater when, material to be heated is air.Such as first preset temperature be 150 DEG C, the second preset temperature be 220 DEG C.From
Air is heated to 150 DEG C by the steam that the first steam inlet 101 enters.Then, 150 DEG C of air is by from the second steam inlet
102 entrance are steam heated to 220 DEG C.When heater 100 is fuel preheater, material to be heated is fuel.Therefore, according to
The difference of heater 100, above-mentioned residual neat recovering system can be used in the heating of different materials to be heated.
Further, the operating pressure of flash vessel 500 is set to identical with the pressure value of steam in extraction steam pipe 200.Such as
This, flash vessel 500 export steam it is identical with steam pressure in extraction steam pipe 200, be easy to the mixing of the two, can be provided commonly for by
Material to be heated is heated to the first preset temperature.
Further, as shown in figure 1, the first pipeline 610 is provided with the first pressure regulator valve 611, and/or, second pipe 620 is provided with
Second pressure regulator valve 621.First pressure regulator valve 611 adjusts the steam pressure in the first pipeline 610 so that the steaming in the first pipeline 610
The operating pressure of steam pressure and heater 100 matches, so as to be advantageous to improve operating efficiency and the use of heater 100
Life-span.Steam pressure in second pressure regulator valve 621 regulation second pipe 620 so that the steam pressure in second pipe 620 is with adding
The operating pressure of thermal 100 matches, so as to be advantageous to improve the operating efficiency and service life of heater 100.
Further, as shown in figure 1, the 3rd pipeline 630 is provided with the first steam trap 631, and/or, the 6th pipeline 660 is provided with
Second steam trap 661.First steam trap 631 and/or the second steam trap 661 can adjust hydrophobic pressure and hydrophobic flow so that
Hydrophobic pressure and the operating pressure of drain pipe 400 match, and avoid damaging drain pipe 400.
On the basis of previous embodiment, as shown in figure 1, above-mentioned residual neat recovering system also includes oxygen-eliminating device.Drain pipe 400
One end connected with oxygen-eliminating device.Because main steam is hydrophobic after flash vessel 500, the high steam of temperature is to be added for heating after separation
Hot thing, the low hydrophobic inflow drain pipe 400 of temperature after separation, therefore, drain pipe 400 can be connected directly with oxygen-eliminating device, without through
Drainage pump is crossed, so as to using electricity wisely.
Further, as shown in figure 1, the 5th pipeline 650 is provided with check-valves 651.Check-valves 651 is used to limit the 5th pipeline
The flow direction of steam in 650.Steam can only flow to the first pipeline 610, extraction steam pipe 200 from flash vessel 500 in 5th pipeline 650
Or first steam inlet 101, it can prevent the steam in the first pipeline 610 from flowing into flash vessel 500, cause energy dissipation.
Specifically, as shown in figure 1, the 3rd venthole 502 is connected by the 5th pipeline 650 with the first pipeline 610.Compared to
Five pipelines 650 connect with the first steam inlet 101 or the first venthole 201, and the 5th pipeline 650 connects with the first pipeline 610, more
Staff is facilitated to install.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
- A kind of 1. residual neat recovering system, it is characterised in that including heater, extraction steam pipe, steam pipe, drain pipe and flash vessel, The heater has the first steam inlet, the second steam inlet, the first steam (vapor) outlet and the second steam (vapor) outlet, and described first Steam inlet connects with first steam (vapor) outlet, and second steam inlet connects with second steam (vapor) outlet, described to take out Steam pipe has the first venthole, and first venthole is connected by the first pipeline with first steam inlet, the steam Pipe has the second venthole, and second venthole is connected by second pipe with second steam inlet, and described first steams Vapor outlet is connected by the 3rd pipeline with the drain pipe, and second steam (vapor) outlet is connected by the 4th pipeline and the flash vessel Logical, the flash vessel has the 3rd venthole and a delivery port, the 3rd venthole by the 5th pipeline and first pipeline, The extraction steam pipe or first steam inlet connection, the delivery port are connected by the 6th pipeline with the drain pipe.
- 2. residual neat recovering system according to claim 1, it is characterised in that first pipeline is provided with the first pressure regulator valve, And/or the second pipe is provided with the second pressure regulator valve.
- 3. residual neat recovering system according to claim 1, it is characterised in that the 3rd pipeline is provided with the first steam trap, And/or the 6th pipeline is provided with the second steam trap.
- 4. residual neat recovering system according to claim 1, it is characterised in that also including oxygen-eliminating device, the one of the drain pipe End connects with the oxygen-eliminating device.
- 5. residual neat recovering system according to claim 1, it is characterised in that the 5th pipeline is provided with check-valves.
- 6. according to the residual neat recovering system described in Claims 1 to 5 any one, it is characterised in that the heater is sky Air preheater or fuel preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446809.6U CN206724221U (en) | 2017-04-25 | 2017-04-25 | Residual neat recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446809.6U CN206724221U (en) | 2017-04-25 | 2017-04-25 | Residual neat recovering system |
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| Publication Number | Publication Date |
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| CN206724221U true CN206724221U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720446809.6U Active CN206724221U (en) | 2017-04-25 | 2017-04-25 | Residual neat recovering system |
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| CN (1) | CN206724221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990348A (en) * | 2017-12-30 | 2018-05-04 | 上海康恒环境股份有限公司 | A kind of two-part steam type airheater |
-
2017
- 2017-04-25 CN CN201720446809.6U patent/CN206724221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990348A (en) * | 2017-12-30 | 2018-05-04 | 上海康恒环境股份有限公司 | A kind of two-part steam type airheater |
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