CN206222283U - Direct current cooker starts hydrophobic heat recovery system - Google Patents
Direct current cooker starts hydrophobic heat recovery system Download PDFInfo
- Publication number
- CN206222283U CN206222283U CN201621289321.9U CN201621289321U CN206222283U CN 206222283 U CN206222283 U CN 206222283U CN 201621289321 U CN201621289321 U CN 201621289321U CN 206222283 U CN206222283 U CN 206222283U
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- Prior art keywords
- hydrophobic
- direct current
- heat exchanger
- recovery system
- current cooker
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Abstract
The utility model relates to a kind of recovery system hydrophobic for direct current cooker startup, more particularly to boiler water field of heat exchange, and the system includes：Surface-type heat exchanger, electric check valve and with circuits, the present apparatus will can be reclaimed without the hydrophobic heat in boiler water circulating pump direct current cooker start-up course, shorten the time of boiler cold-state startup, save fuel；In addition flash vessel entrance drain temperature can be reduced, improve the capacity enlargement effect of boiler hydrophobic development unit, solve the problems, such as that start the hydrophobic recovery system to condenser causes pipeline vibration, the utility model to provide a kind of effective method for the recovery without hydrophobic heat in boiler water circulating pump direct current unit start-up course because there is stream-liquid two-phase flow.
Description
Technical field
The utility model is related to boiler water field of heat exchange, more particularly to a kind of direct current cooker to start hydrophobic heat recovery system
System.
Background technology
In traditional boiler recirculated water field, the supercritical unit without boiler water circulating pump is lighted a fire to being transferred to DC operation
Before, a part is heated or as superheated steam in boiler feedwater, and another part then turns into saturation water, from steam-water separator warp
After hydrophobic development unit, unit rhone or condenser are delivered to, but it is saturation water with pressure that this part is hydrophobic, through flash vessel dilatation
After will produce substantial amounts of indirect steam, enter air through flash vessel upper end exhaust outlet, this will cause substantial amounts of steam discharge to lose how
The loss of indirect steam is reduced, a major issue as super critical boiler energy-conservation, water saving.
In addition, startup stage enter start flash vessel hydrophobic amount is larger, drain temperature is higher, design it is hydrophobic
Flash vessel is limited in one's ability so that the drain temperature after dilatation still can reach more than 100 DEG C, is being recycled to the mistake of pusher side condenser
Part hot water vaporization causes the phenomenon that there is stream-liquid two-phase flow in pipeline in journey, and this is cause recovery system pipe vibration main
Reason.
In view of above-mentioned defect, the design people is actively subject to research and innovation, is dredged to found a kind of direct current cooker startup
Water heat recovery system, makes it have more the value in industry.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of direct current cooker starts hydrophobic heat recovery
Device, hydrophobic heat is recycled before direct current cooker becomes a cadre state successfully solve unit cold start during exist
Above mentioned problem.
A kind of direct current cooker of the utility model starts hydrophobic heat recovery system, including steam-water separator, hydrophobic development unit,
Also include heat exchanger, the hot water inlet of the heat exchanger connects the steam-water separator, the hot water outlet connection of the heat exchanger
The hydrophobic development unit, after the hydrophobic inflow heat exchanger of the steam-water separator output is lowered the temperature, flows out to described dredging
Water flash vessel.
Further, the exchanger heat water inlet is connected with the steam-water separator by hot inlet channel, described to change
Hot device hot water outlet is connected with the hydrophobic development unit by hot outlet conduit, and the hot inlet channel is provided with import cut-off
Valve, the hot outlet conduit is provided with outlet shutoff valve.
Further, the steam-water separator connects hydrophobic development unit by bypass duct, and the bypass duct is provided with
Bypass stop valve.
Further, the cold water inlet of the heat exchanger, cold delivery port are connected with boiler feedwater pipeline respectively.
Further, described heat exchanger is surface-type heat exchanger.
Further, also including condenser, the condenser connects hydrophobic development unit.
Further, it is provided with storage tank between described steam-water separator and described heat exchanger.
Further, described inlet shutoff valve, outlet shutoff valve and bypass stop valve are electrically operated valve.
By such scheme, the utility model at least has advantages below：From the saturation water row that steam-water separator is isolated
To storage tank, the surface-type heat exchanger on boiler feedwater main pipeline is flow to by inlet shutoff valve, changed by surface-type
Hot device and boiler feedwater exchanged heat after it is hydrophobic flow into hydrophobic development unit by heat-exchanger rig outlet shutoff valve, eventually through dredging
Water pump drains into condenser by hydrophobic, and the system will can be carried out without the hydrophobic heat in boiler water circulating pump direct current cooker start-up course
Reclaim, reduce drain temperature, shorten the time of boiler cold-state startup, save fuel；In addition flash vessel entrance is reduced hydrophobic
Temperature, improves the capacity enlargement effect of boiler hydrophobic development unit, solves the hydrophobic recovery system to condenser of startup because there is vapour
Liquid two-phase causes the problem of pipeline vibration, reduces heat dissipation, has reached the effect of energy-saving and emission-reduction.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model direct current cooker starts hydrophobic heat recovery system.
In figure：1st, steam-water separator, 2, storage tank, 3, bypass duct, 4, hot water inlet pipe road, 5, heat exchanger, 6, hot water
Outlet conduit, 7, boiler feedwater pipeline, 8, overflow valve, 9, hydrophobic development unit, 10, drainage pump, 11, inlet shutoff valve, 12, outlet
Stop valve, 13, bypass stop valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail, below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model, the preferred embodiment of the utility model one
A kind of described direct current cooker starts hydrophobic heat recovery system, and operation principle is as follows：
Referring to Fig. 1, a kind of direct current cooker starts hydrophobic heat recovery system, including steam-water separator 1, hydrophobic development unit 9,
Also include heat exchanger 5, the hot water inlet connection steam-water separator 1 of heat exchanger 5, the hot water outlet connection dewatering capacity-enlarging of heat exchanger 5
Device 9, after the hydrophobic inflow heat exchanger 5 of the output of steam-water separator 1 is lowered the temperature, flows out to hydrophobic development unit 9；The heat of heat exchanger 5 is entered
The mouth of a river is connected with steam-water separator 1 by hot inlet channel 4, and the hot water outlet of heat exchanger 5 is gone out with the hydrophobic development unit 9 by heat
Waterpipe 6 is connected, and hot inlet channel 4 is provided with inlet shutoff valve 11, and hot outlet conduit 6 is provided with outlet shutoff valve 12；Carbonated drink
Separator 1 connects hydrophobic development unit 9 by bypass duct 3, and bypass duct 3 is provided with bypass stop valve 13；Heat exchanger 5 it is cold enter
The mouth of a river, cold delivery port are connected with boiler feedwater pipeline 7 respectively；Heat exchanger 5 is surface-type heat exchanger；Also include condenser, it is cold
Condenser connects hydrophobic development unit 9；Storage tank 2 is provided between steam-water separator 1 and heat exchanger 5；Inlet shutoff valve 11, outlet cut-off
Valve 2 and bypass stop valve 13 are electrically operated valve.
The utility model provides a kind of recovery system hydrophobic for direct current cooker startup, and the system includes：Surface-type
Heat exchanger, electric check valve and with circuits, the system can will be hydrophobic in without boiler water circulating pump direct current cooker start-up course
Heat is reclaimed, shorten boiler cold-state startup time, critical direct current cooker hygrometric state run during, from steam-water separator
1 saturation water isolated drains into storage tank 2, and current flow out to bypass duct 3, hot inlet channel 4 and bypass duct 3 from storage tank
Connection, current by inlet shutoff valve 11 into flowing to the surface-type on boiler feedwater main pipeline 7 after hot inlet pipeline 4
In heat exchanger 5, hydrophobic after being exchanged heat by surface-type heat exchanger 5 and boiler feedwater flows out to hot water outlet by heat-exchanger rig
Pipeline 6, then hydrophobic development unit 9 is flow to by outlet shutoff valve 12, drain into condenser by hydrophobic eventually through drainage pump 10.
Under accidental conditions, the bypass stop valve 13 on bypass duct 3 is remained off, and is only changed in surface-type
In the case of hot device 5 breaks down, bypass stop valve 13 is just opened, while need to be by the He of inlet shutoff valve 11 on hot inlet channel 4
Outlet shutoff valve 13 on hot outlet conduit 6 is closed, and surface-type heat exchanger 5 is isolated；Start hydrophobic by bypassing stop valve 13
Into hydrophobic development unit 9, it is ensured that the security of equipment, overflow valve 8 is provided with the water inlet of hydrophobic development unit 9, plays protection system
The effect of system, stop valve used is electric check valve, reduces artificial operation, and then improve operating efficiency.The system is led to
The recovery to hydrophobic heat is crossed, fuel has been saved；In addition flash vessel entrance drain temperature can be reduced, boiler dewatering capacity-enlarging is improved
The capacity enlargement effect of device 9, solve the hydrophobic recovery system to condenser of startup causes pipeline vibration because there is stream-liquid two-phase flow
Problem, the hydrophobic heat recovery during the utility model runs for the supercritical once-through boiler hygrometric state without boiler water circulating pump is provided
A kind of method.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model know-why is not departed from, can also do
Go out some improvement and modification, these are improved and modification also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of direct current cooker starts hydrophobic heat recovery system, including steam-water separator (1), hydrophobic development unit (9), its feature
It is：Also include heat exchanger (5), the hot water inlet of the heat exchanger (5) connects the steam-water separator (1), the heat exchanger
(5) hot water outlet connects the hydrophobic development unit (9), the hydrophobic inflow heat exchanger of steam-water separator (1) output
(5) after being lowered the temperature, the hydrophobic development unit (9) is flowed out to.
2. direct current cooker according to claim 1 starts hydrophobic heat recovery system, it is characterised in that：The heat exchanger
(5) hot water inlet is connected with the steam-water separator (1) by hot inlet channel (4), heat exchanger (5) hot water outlet and institute
State hydrophobic development unit (9) to be connected by hot outlet conduit (6), the hot inlet channel (4) is provided with inlet shutoff valve (11), institute
State hot outlet conduit (6) and be provided with outlet shutoff valve (12).
3. direct current cooker according to claim 2 starts hydrophobic heat recovery system, it is characterised in that：The steam-water separation
Device (1) connects hydrophobic development unit (9) by bypass duct (3), and the bypass duct (3) is provided with bypass stop valve (13).
4. direct current cooker according to claim 1 starts hydrophobic heat recovery system, it is characterised in that：The heat exchanger
(5) cold water inlet, cold delivery port is connected with boiler feedwater pipeline (7) respectively.
5. direct current cooker according to claim 1 starts hydrophobic heat recovery system, it is characterised in that：Described heat exchanger
(5) it is surface-type heat exchanger.
6. direct current cooker according to claim 1 starts hydrophobic heat recovery system, it is characterised in that：Also include condensation
Device, the condenser connects hydrophobic development unit (9).
7. direct current cooker according to claim 1 starts hydrophobic heat recovery system, it is characterised in that：Described carbonated drink point
Storage tank (2) is provided between device (1) and described heat exchanger (5).
8. direct current cooker according to claim 3 starts hydrophobic heat recovery system, it is characterised in that：Described import cuts
Only valve (11), outlet shutoff valve (12) and bypass stop valve (13) is electrically operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289321.9U CN206222283U (en) | 2016-11-28 | 2016-11-28 | Direct current cooker starts hydrophobic heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289321.9U CN206222283U (en) | 2016-11-28 | 2016-11-28 | Direct current cooker starts hydrophobic heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206222283U true CN206222283U (en) | 2017-06-06 |
Family
ID=58786573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621289321.9U Expired - Fee Related CN206222283U (en) | 2016-11-28 | 2016-11-28 | Direct current cooker starts hydrophobic heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206222283U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224465A (en) * | 2018-01-23 | 2018-06-29 | 中国能源建设集团西北电力试验研究院有限公司 | It is a kind of by the use of activation system draining as the device and method of steam air heater heating source |
| CN108730956A (en) * | 2018-07-24 | 2018-11-02 | 西安热工研究院有限公司 | A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system |
| CN112303608A (en) * | 2019-07-26 | 2021-02-02 | 三菱动力株式会社 | Boiler power generation equipment and control method thereof |
| CN114992617A (en) * | 2022-05-24 | 2022-09-02 | 东方电气集团东方锅炉股份有限公司 | System for improving economical efficiency and safety of boiler in wet operation |
-
2016
- 2016-11-28 CN CN201621289321.9U patent/CN206222283U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224465A (en) * | 2018-01-23 | 2018-06-29 | 中国能源建设集团西北电力试验研究院有限公司 | It is a kind of by the use of activation system draining as the device and method of steam air heater heating source |
| CN108730956A (en) * | 2018-07-24 | 2018-11-02 | 西安热工研究院有限公司 | A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system |
| CN112303608A (en) * | 2019-07-26 | 2021-02-02 | 三菱动力株式会社 | Boiler power generation equipment and control method thereof |
| CN114992617A (en) * | 2022-05-24 | 2022-09-02 | 东方电气集团东方锅炉股份有限公司 | System for improving economical efficiency and safety of boiler in wet operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20171128 |