CN208536645U - A kind of boiler arranges the exhaust steam residual heat recycling system of flash vessel surely - Google Patents
A kind of boiler arranges the exhaust steam residual heat recycling system of flash vessel surely Download PDFInfo
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- CN208536645U CN208536645U CN201821050971.7U CN201821050971U CN208536645U CN 208536645 U CN208536645 U CN 208536645U CN 201821050971 U CN201821050971 U CN 201821050971U CN 208536645 U CN208536645 U CN 208536645U
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Abstract
The utility model relates to the exhaust steam residual heat recycling system that a kind of boiler arranges flash vessel surely, it is mainly used for fixed row's flash vessel exhaust steam residual heat recycling.One end of No. three pipelines and the outlet for arranging flash vessel surely in the utility model, the other end of No. three pipelines is connected to one end of No. six pipelines, the other end of No. six pipelines and one end of No. seven pipelines are connected to No. four pipelines, former drain valve is mounted on No. three pipelines, drain valve is mounted on No. six pipelines, exhaust-valve is mounted on No. seven pipelines, one end of No. four pipelines is connected to No. three pipelines, the other end of No. four pipelines and one end of No. five pipelines are connected to the entrance of vapor-liquid mixer, vapour side gate valve and vapour side check-valves are installed on No. four pipelines, water side gate valve and water side electric control valve are installed on No. five pipelines, the outlet of vapor-liquid mixer is connected to the entrance of liquid collecting knockout drum.Surely the recycling of row's exhaust steam residual heat can effectively recovery waste heat and steam exhaust, to can energy conservation, water-saving purpose.
Description
Technical field
The utility model relates to the exhaust steam residual heat recycling system that a kind of boiler arranges flash vessel surely, it is mainly used for fixed row and expands
The recycling of container exhaust steam residual heat.
Background technique
Regular unloading container is mainly that the regular sewage of boiler is depressured dilatation, and periodical blowdown water is sent out at low pressures
Raw secondary boiling, obtains a part of secondary steam, while sewerage being made to cool down；Secondary steam and sewerage are in periodical blowdown dilatation
It is separated in device, the steam isolated is discharged from the outlet on top, and sewerage is discharged into trench from the sewage mouth of lower part.Currently,
The secondary steam that flash vessel is arranged surely by most of power plant is all to be directly discharged into atmosphere, in winter, it is in line big to arrange flash vessel evacuated tube surely
Gas causes the flash steam of quality qualification largely to waste, is unfavorable for energy-saving and environmental protection；Winter outside air temperature is low, and flash steam is determining row's expansion
Deformation is condensed outside vessel empty pipe, influences the safety of peripheral equipment；Surely arrange dilatation after be discharged it is hydrophobic be directly discharged to determine discharge casing,
Drain temperature is higher, is determining in row's flash vessel water tank dilatation again, flash distillation, and flash steam is from the cement Gai Mi for determining row's flash vessel pond
It seals not tight place to expose, influences the environment of surrounding；Lead to boiler room low environmental quality；Due to arranging to atmosphere from determining row's flash vessel
Steam calorific value with higher, cause the significant wastage of the energy, the utility model can effectively solve above-mentioned problem.
Surely row's flash vessel steam exhaust is directly discharged into atmosphere, not only causes the waste of steam of quality qualification, also results in waste heat
Waste, in winter, flash steam is being determined to condense deformation outside row's flash vessel evacuated tube, also will affect the safety of peripheral equipment.For fixed
The case where arranging flash vessel steam exhaust waste, occurs both at home and abroad in many solutions, such as Publication No. CN206094989U
In state's patent, disclose a kind of company arrange surely steam exhaust receive can device, including shell and heat exchanger are provided with heat exchange in the shell
Device, the side of shell are provided with air inlet, and the other side of shell is provided with water outlet and water inlet from top to bottom；The water outlet
It is connected with one end of heat exchanger, water inlet is connected with the other end of heat exchanger；It is provided with gas outlet at the top of the shell,
The bottom of shell is provided with condensation-water drain.The device steam exhaust is received energy device and is composed in series using several serpentine coils, belongs to
Wall-type heat exchange, heat transfer coefficient more directly exchange heat it is lower, if in order to guarantee steam exhaust recycle share, need to design sufficiently large heat exchange
Device area, equipment cost are higher；And water flows in coiled pipe, and water collateral resistance is caused to increase, and needs additionally to increase water pump electricity
Consumption, is unfavorable for energy conservation.
In view of this it in the Chinese patent of Publication No. CN201811202U, discloses a kind of station boiler and arranges steam exhaust surely and return
Receiving apparatus recycles the suction pump of upper end device by being arranged water drenching device in recycling can, and isolating valve and electronic is connected on desalination waterpipe
Regulating valve and shut-off valve, desalination waterpipe one end are connected to suction pump and water drenching device, the desalination waterpipe other end and desalination water pot
Connection, isolating valve, drainage pump are connected to drain pipe before isolating valve and drainage pump after the two sides connection drainage pump of drainage pump, arrange tank surely
Bursting diaphragm and isolating valve and safety valve and gland steam exhauster is respectively set in top, arranges pot bottom surely and is separately connected blowdown valve and hydrophobic electronic
Valve.The draft that the device relies primarily on suction pump will be determined row's flash vessel steam exhaust and is pumped in recycling can, and demineralized water passes through spray dress
Set the steam exhaust with lower section and mix and exchange heat, realize exhaust steam residual heat recycling, then the volumetric constraint of recycling can demineralized water with
The contact range of steam exhaust and time of contact, it is weary must also to have part to limit the recycling degree of steam exhaust and its heat
Vapour and its heat can not be recycled and be wasted.
In conclusion surely the recycling of row's exhaust steam residual heat can effectively recovery waste heat and steam exhaust, to can energy conservation, water-saving purpose.
But only rationally design recovery system and method, reclaimer cost can just be effectively reduced, farthest recovery waste heat and
Steam exhaust, and guarantee the quality of recovered liquid, benefit just is created for power plant really.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
Reason, the boiler that system is simple, easy to adjust arrange the exhaust steam residual heat recycling system of flash vessel surely.
The technical scheme in the invention for solving the above technical problem is: the exhaust steam residual heat that the boiler arranges flash vessel surely returns
The system of utilizing is received, design feature is: including determining valve, water before row's flash vessel, controlling terminal, liquid collecting knockout drum, blowdown valve, pump
Valve, pump check-valves, former drain valve, vapour side gate valve, drain valve, exhaust-valve, vapour side check-valves, vapor-liquid mixer, water side after pump, pump
Electric control valve, water side gate valve, liquidometer, No.1 pipeline, No. two pipelines, No. three pipelines, No. four pipelines, No. five pipelines, No. six
Pipeline, No. seven pipelines, No. eight pipelines, No.1 conducting wire, No. two conducting wires, No. three conducting wires and No. four conducting wires；The one of No. three pipelines
End and the outlet for arranging flash vessel surely, the other end of No. three pipelines are connected to one end of No. six pipelines, No. six pipes
One end of the other end in road and No. seven pipelines is connected to No. four pipelines, and the original drain valve is mounted on No. three pipelines, described
Drain valve is mounted on No. six pipelines, and the exhaust-valve is mounted on No. seven pipelines, one end of No. four pipelines and No. three pipes
Road connection, the other end of No. four pipelines and one end of No. five pipelines are connected to the entrance of vapor-liquid mixer, the vapour side
Gate valve and vapour side check-valves are installed on No. four pipelines, and water side gate valve and water side electric control valve are installed in No. five pipes
On road, the outlet of the vapor-liquid mixer is connected to the entrance of liquid collecting knockout drum, the outlet of the liquid collecting knockout drum and No. two pipes
The one end in road is connected to, and one end of the No.1 pipeline and one end of No. eight pipelines are connected to the other end of No. two pipelines, described
Blowdown valve is mounted on No.1 pipeline, and valve and pump check-valves are installed on No. eight pipelines after valve, water pump, pump before the pump, institute
Liquidometer is stated to be located in liquid collecting knockout drum, one end of the No.1 conducting wire, one end of No. two conducting wires, No. three conducting wires one end and four
One end of number conducting wire is connect with controlling terminal, and the other end of the No.1 conducting wire is connect with water pump, No. two conducting wires it is another
One end is connect with liquidometer, and the other end of No. three conducting wires is connect with water side electric control valve, No. four conducting wires it is another
End is connect with drain valve.Surely the recycling of row's exhaust steam residual heat can effectively recovery waste heat and steam exhaust, to can energy conservation, water-saving purpose.
Further, one end of No. four pipelines is connected to No. three pipelines arranged between flash vessel and former drain valve surely.
Further, vapour side gate valve and vapour side check-valves are mounted on No. four pipelines along the flow direction of steam exhaust.
Further, one end side the Jun Yuqi gate valve and vapour side check-valves of the other end of No. six pipelines and No. seven pipelines
Between No. four pipelines connection.
Further, water side gate valve and water side electric control valve are mounted on No. five pipes along the flow direction of domestic hot-water
On road.
Further, valve and pump check-valves along the flow direction of mixing liquid are mounted on eight after valve, water pump, pump before the pump
On number pipeline.
Further, one end of the other end of No. six pipelines and No. seven pipelines exists along the flow direction setting of steam exhaust
On No. four pipelines.
Compared with prior art, the utility model has the advantage that
1, the utility model uses injecting type vapor-liquid mixer, it is ensured that and it arranges steam exhaust surely and water is sufficiently mixed heat exchange, it is real
Whole recycling of existing steam exhaust.
2, the utility model realizes steam exhaust and its waste heat recycling by injecting type vapor-liquid mixer and normal pressure liquid collecting knockout drum
It utilizing, system is simple, and it is easily operated, reclaimer cost is effectively reduced, farthest recovery waste heat and steam exhaust, and guarantee
The quality of recovered liquid just creates benefit really for power plant.
Detailed description of the invention
Fig. 1 is the structural representation that the boiler of the utility model embodiment arranges the exhaust steam residual heat recycling system of flash vessel surely
Figure.
In figure: 1- arranges valve, 6- water pump, 7- before flash vessel, 2- controlling terminal, 3- liquid collecting knockout drum, 4- blowdown valve, 5- are pumped surely
Valve after pump, 8- pump check-valves, 9- original drain valve, 10- vapour side gate valve, 11- drain valve, 12- exhaust-valve, 13- vapour side check-valves,
14- vapor-liquid mixer, 15- water side electric control valve, 16- water side gate valve, 17- liquidometer, 181- No.1 pipeline, 182- bis- pipes
Road, No. tri- pipelines of 183-, No. tetra- pipelines of 184-, No. five pipelines of 185-, No. six pipelines of 186-, No. seven pipelines of 187-, 188- eight
No. tetra- pipeline, 191- No.1 conducting wire, No. bis- conducting wires of 192-, No. tri- conducting wires of 193-, 194- conducting wires.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
It is shown in Figure 1, it should however be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to match
The revealed content of specification is closed, so that those skilled in the art understands and reads, being not intended to limit the utility model can
The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
In the range of the technology contents of announcement can be covered.Meanwhile if in this specification with reference as "upper", "lower", "left", "right", " in
Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Boiler in the present embodiment arranges the exhaust steam residual heat recycling system of flash vessel surely, including determines row's flash vessel 1, control
Terminal 2, blowdown valve 4, pumps valve 7, pump check-valves 8, former drain valve 9, vapour side gate valve after preceding valve 5, water pump 6, pump at liquid collecting knockout drum 3
10, drain valve 11, exhaust-valve 12, vapour side check-valves 13, vapor-liquid mixer 14, water side electric control valve 15, water side gate valve 16, liquid
Position meter 17,185, No. six pipelines of pipeline of pipeline 184, five of pipeline 183, four of pipeline 182, three of No.1 pipeline 181, two
186,187, No. eight pipelines 188 of No. seven pipelines, the conducting wire 193 of conducting wire 192, three of No.1 conducting wire 191, two and No. four conducting wires 194.
One end of No. three pipelines 183 in the present embodiment and the outlet for arranging flash vessel 1 surely, No. three pipelines 183 it is another
One end is connected to one end of No. six pipelines 186, and the other end of No. six pipelines 186 and one end of No. seven pipelines 187 are managed with No. four
Road 184 is connected to, that is to say, that one end side the Jun Yuqi gate valve 10 and vapour side of the other end of No. six pipelines 186 and No. seven pipelines 187
No. four pipelines 184 connection between check-valves 13, the other end of No. six pipelines 186 and one end of No. seven pipelines 187 are along steam exhaust
Flow direction be arranged on No. four pipelines 184；Former drain valve 9 is mounted on No. three pipelines 183, and drain valve 11 is mounted on No. six
On pipeline 186, exhaust-valve 12 is mounted on No. seven pipelines 187, and one end of No. four pipelines 184 is connected to No. three pipelines 183, also
It is to say that one end of No. four pipelines 184 is connected to No. three pipelines 183 arranged between flash vessel 1 and former drain valve 9 surely；No. four pipelines
One end of 184 other end and No. five pipelines 185 is connected to the entrance of vapor-liquid mixer 14, vapour side gate valve 10 and vapour side non-return
Valve 13 is installed on No. four pipelines 184, that is to say, that vapour side gate valve 10 and vapour side check-valves 13 are pacified along the flow direction of steam exhaust
On No. four pipelines 184；Water side gate valve 16 and water side electric control valve 15 are installed on No. five pipelines 185, that is to say, that
Water side gate valve 16 and water side electric control valve 15 are mounted on No. five pipelines 185 along the flow direction of domestic hot-water；Vapour-liquid mixing
The outlet of device 14 is connected to the entrance of liquid collecting knockout drum 3, and the outlet of liquid collecting knockout drum 3 is connected to one end of No. two pipelines 182, and one
Number one end of pipeline 181 and one end of No. eight pipelines 188 are connected to the other end of No. two pipelines 182, and blowdown valve 4 is mounted on one
On number pipeline 181, valve 7 and pump check-valves 8 are installed on No. eight pipelines 188 after valve 5, water pump 6, pump before pumping, that is to say, that pump
Valve 7 and pump check-valves 8 are mounted on No. eight pipelines 188 along the flow direction of mixing liquid after preceding valve 5, water pump 6, pump.
Liquidometer 17 in the present embodiment is located in liquid collecting knockout drum 3, one end of No.1 conducting wire 191, No. two conducting wires 192
One end of one end, one end of No. three conducting wires 193 and No. four conducting wires 194 is connect with controlling terminal 2, No.1 conducting wire 191 it is another
End is connect with water pump 6, and the other end of No. two conducting wires 192 is connect with liquidometer 17, and the other end of No. three conducting wires 193 and water side are electronic
Regulating valve 15 connects, and the other end of No. four conducting wires 194 is connect with drain valve 11.
Boiler in the present embodiment arranges the recoverying and utilizing method of the exhaust steam residual heat recycling system of flash vessel surely, as follows:
Steam exhaust and its latent heat of vaporization are put to idle discharge by determining row's flash vessel 1, the heat of recycling is used to heating domestic hot water, coagulates
It bears water or station-service moisturizing, the steam exhaust temperature of recycling is about 125 DEG C, pressure is about 0.2MPa, by hot water heating to 80 DEG C
More than.
Vapor-liquid mixer 14 uses injecting type, and main composition part is Venturi tube；Cold water enters receiving chamber from nozzle
After generate certain negative pressure, so that draws low pressure steam exhaust, the two are sufficiently mixed in mixing chamber, steam exhaust transfers heat to cold water,
Realize steam exhaust and its whole recycling of waste heat.
Liquid collecting knockout drum 3 is a non-pressure vessel tank, and the top of liquid collecting knockout drum 3 is connected by exhaust pipe with atmosphere,
Steam exhaust condensate liquid and the hot water being heated are contained in liquid collecting knockout drum 3 after vapor-liquid mixer 14 sufficiently heat exchange mixing, liquid collecting
On-condensible gas is arranged from gland steam exhauster to atmosphere in knockout drum 3, and mixed liquor is then delivered to by No. two pipelines 182 and No. eight pipelines 188 and is needed
The place of hot water is used, sewage is discharged from No.1 pipeline 181, and No.1 pipeline 181 is blow-off line, has by liquid collecting knockout drum 3
Effect guarantees mixed liquor quality.
Controlling terminal 2 by the conducting wire 193 of conducting wire 192, three of No.1 conducting wire 191, two and No. four conducting wires 194 respectively with water
Pump 6, liquidometer 17, water side electric control valve 15 and drain valve 11 connect, and according to hot water temperature after mixing, adjust water side electric adjustable
The aperture for saving valve 15 adjusts the aperture of drain valve 11 according to the liquid level that liquidometer 17 in liquid collecting knockout drum 3 is shown, and synchronous
In proportion adjust water side electric control valve 15 aperture, water pump 6 use variable frequency pump, according to the liquid level in liquid collecting knockout drum 3 into
Row variable frequency adjustment.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (7)
1. the exhaust steam residual heat recycling system that a kind of boiler arranges flash vessel surely, it is characterised in that: including determining row's flash vessel, control
Valve after valve, water pump, pump before terminal, liquid collecting knockout drum, blowdown valve, pump, pump check-valves, former drain valve, vapour side gate valve, drain valve,
Exhaust-valve, vapour side check-valves, vapor-liquid mixer, water side electric control valve, water side gate valve, liquidometer, No.1 pipeline, No. two pipes
Road, No. three pipelines, No. four pipelines, No. five pipelines, No. six pipelines, No. seven pipelines, No. eight pipelines, No.1 conducting wire, No. two conducting wires, three
Number conducting wire and No. four conducting wires；One end of No. three pipelines with surely arrange flash vessel outlet, No. three pipelines it is another
End is connected to one end of No. six pipelines, and the other end of No. six pipelines and one end of No. seven pipelines are connected to No. four pipelines,
The original drain valve is mounted on No. three pipelines, and the drain valve is mounted on No. six pipelines, and the exhaust-valve is mounted on No. seven
On pipeline, one end of No. four pipelines is connected to No. three pipelines, the other end of No. four pipelines and one end of No. five pipelines
It is connected to the entrance of vapor-liquid mixer, vapour side gate valve and vapour side check-valves are installed on No. four pipelines, the water side
Gate valve and water side electric control valve are installed on No. five pipelines, the outlet of the vapor-liquid mixer and the entrance of liquid collecting knockout drum
Connection, the outlet of the liquid collecting knockout drum is connected to one end of No. two pipelines, one end of the No.1 pipeline and No. eight pipelines
One end is connected to the other end of No. two pipelines, and the blowdown valve is mounted on No.1 pipeline, before the pump after valve, water pump, pump
Valve and pump check-valves are installed on No. eight pipelines, and the liquidometer is located in liquid collecting knockout drum, one end of the No.1 conducting wire,
One end of one end of No. two conducting wires, one end of No. three conducting wires and No. four conducting wires is connect with controlling terminal, the No.1 conducting wire
The other end is connect with water pump, and the other end of No. two conducting wires is connect with liquidometer, the other end of No. three conducting wires and water side
Electric control valve connection, the other end of No. four conducting wires are connect with drain valve.
2. the exhaust steam residual heat recycling system that boiler according to claim 1 arranges flash vessel surely, it is characterised in that: described
One end of No. four pipelines is connected to No. three pipelines arranged between flash vessel and former drain valve surely.
3. the exhaust steam residual heat recycling system that boiler according to claim 1 arranges flash vessel surely, it is characterised in that: described
Vapour side gate valve and vapour side check-valves are mounted on No. four pipelines along the flow direction of steam exhaust.
4. the exhaust steam residual heat recycling system that boiler according to claim 1 arranges flash vessel surely, it is characterised in that: described
No. four pipelines connection between the other end of No. six pipelines and one end side the Jun Yuqi gate valve and vapour side check-valves of No. seven pipelines.
5. the exhaust steam residual heat recycling system that boiler according to claim 1 arranges flash vessel surely, it is characterised in that: described
Water side gate valve and water side electric control valve are mounted on No. five pipelines along the flow direction of domestic hot-water.
6. the exhaust steam residual heat recycling system that boiler according to claim 1 arranges flash vessel surely, it is characterised in that: described
Valve and pump check-valves are mounted on No. eight pipelines along the flow direction of mixing liquid after valve, water pump, pump before pumping.
7. the exhaust steam residual heat recycling system that boiler according to claim 1 arranges flash vessel surely, it is characterised in that: described
The other end of No. six pipelines and one end of No. seven pipelines are arranged on No. four pipelines along the flow direction of steam exhaust.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821050971.7U CN208536645U (en) | 2018-07-03 | 2018-07-03 | A kind of boiler arranges the exhaust steam residual heat recycling system of flash vessel surely |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821050971.7U CN208536645U (en) | 2018-07-03 | 2018-07-03 | A kind of boiler arranges the exhaust steam residual heat recycling system of flash vessel surely |
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| CN208536645U true CN208536645U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895858A (en) * | 2018-07-03 | 2018-11-27 | 杭州华电能源工程有限公司 | A kind of boiler arranges the exhaust steam residual heat recycling system and recoverying and utilizing method of flash vessel surely |
-
2018
- 2018-07-03 CN CN201821050971.7U patent/CN208536645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895858A (en) * | 2018-07-03 | 2018-11-27 | 杭州华电能源工程有限公司 | A kind of boiler arranges the exhaust steam residual heat recycling system and recoverying and utilizing method of flash vessel surely |
| CN108895858B (en) * | 2018-07-03 | 2024-04-30 | 杭州华电能源工程有限公司 | Exhaust steam waste heat recycling system and method of boiler fixed-exhaust expansion vessel |
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