CN205580232U - Be applied to direct air cooling unit air cooling island quick -witted contact system of admission neighbour - Google Patents
Be applied to direct air cooling unit air cooling island quick -witted contact system of admission neighbour Download PDFInfo
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- CN205580232U CN205580232U CN201620421368.XU CN201620421368U CN205580232U CN 205580232 U CN205580232 U CN 205580232U CN 201620421368 U CN201620421368 U CN 201620421368U CN 205580232 U CN205580232 U CN 205580232U
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- operated valve
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Abstract
The utility model discloses a be applied to direct air cooling unit air cooling island quick -witted contact system of admission neighbour, including two adjacent unit air cooling islands, every unit air cooling island all includes a plurality of air cooling units that are listed as, the admission house steward on two unit air cooling islands is linked together through the female pipe of admission contact, and the condensate water return water pipe on two unit air cooling islands is linked together through the female pipe of condensate water return water contact, and the vacuum tube on two unit air cooling islands says and is linked together through the female pipe of evacuation contact. Ambient temperature is higher in annual may to october, and certain unit is when stopping transport, and the utilization unit part air cooling unit of should stopping transport improves cold end system cooling power power, under the unchangeable circumstances of other parameters, reduces unit operation backpressure, reaches energy saving and consumption reduction, improves the purpose that the unit was exerted oneself. Its key technology is with the admission of air cooling island, condensate water and the vacuum pumping system contact between with adjacent unit of the valve through corresponding and pipeline, utilizes the idle air cooling island of stoppage in transit unit, improves cold end system cooling power power.
Description
[technical field]
This utility model belongs to Power Plant Energy Saving field, relates to a kind of Direct Air-cooled Unit cold end system, specifically
It is that one is applied to air cooling island of direct air cooling unit and enters vapour neighbour's machine contacted system.
[background technology]
The Direct Air-cooled Unit put into operation at present, generally there is the summer high temperature period runs that vacuum is low, unit output
Decline；The problems such as performance driving economy is low, and gross coal consumption rate is high.The counter-measure taked mainly uses spike cooling
Transformation.Peak cooling device has four kinds: 1) demineralized water of atomization is sprayed directly on to heat exchanger surface, reduction is changed
Hot device surface temperature, thus reduce condensing water temperature, reduce unit back pressuce；2) spray cooling, by atomization
Demineralized water is sprayed on outlet or the entrance of cooling blower, reduces the temperature of heat exchanger surrounding air, thus reduces condensation
Coolant-temperature gage, reduction unit back pressuce；3) clammy condenser is set or evaporative condenser is further separated into Air-Cooling Island exhaust steam；
4) Air-Cooling Island capacity-increasing transformation.
First two method has certain shortcoming, 1) cooling effect is poor；2) do not reclaim demineralized water, cause water to provide
Source is wasted, water consumption height, increases operating cost；3) dust in air is easier to stick to air cooling heat radiator wing
On sheet pipe, cause finned tube stolen goods dirt degree to aggravate, affect heat exchange efficiency.The third method fall back pressure amplitude depends on
In the size of shunting exhaust steam amount, shortcoming is to need to consume a certain amount of water.4th kind of method fall back pressure amplitude depends on
In the size of increase air cooling tubes condenser area, shortcoming is that site area is limited, and initial cost is bigger.
[utility model content]
The purpose of this utility model is that solving the Direct Air-cooled Unit summer high temperature period runs the problem that back pressure is high,
On the premise of relatively small to the shake-up of unit original system, it is provided that one is applied to air cooling island of direct air cooling unit
Entering vapour neighbour's machine contacted system, this system arranges respective valves and pipeline, in annual May to ambient temperature in October
Higher, and during certain unit outage, utilize the part air cooling unit that this unit is idle, it is possible to increase cold end system
Cooling capacity, in the case of other parameters (unit load, ambient air temperature) are constant, it is possible to reduce unit fortune
Row back pressure.
For reaching above-mentioned purpose, this utility model is achieved by the following technical solutions:
One is applied to air cooling island of direct air cooling unit and enters vapour neighbour's machine contacted system, including two adjacent unit skies
Cool island, every unit Air-Cooling Island all includes some row air cooling unit, and the air intake of each column air cooling unit passes through respectively
Steam inlet pipe road is connected with entering vapour house steward, and each column air cooling unit is connected with vacuum pump by vacuum lead, each column
The condensation water out of air cooling unit is connected with coagulation hydroenergy backwater house steward by coagulation hydroenergy backwater pipeline respectively；Two
The vapour house steward that enters of unit Air-Cooling Island is connected by entering the female pipe of vapour contact, the coagulation hydroenergy backwater of two unit Air-Cooling Islands
Pipeline is connected by the female pipe of coagulation hydroenergy backwater contact, and the vacuum lead of two unit Air-Cooling Islands passes through evacuation
The female pipe of contact is connected.
This utility model is further improved by:
Described enter set gradually on the vapour female pipe of contact the first electric butterfly valve, first manual valve, the second hand-operated valve and
Second electric butterfly valve；The outside of the first electric butterfly valve and the second electric butterfly valve respectively with the entering of two unit Air-Cooling Islands
Vapour house steward is connected.
The air intake of the two row air cooling unit that described two unit Air-Cooling Islands are adjacent is respectively provided with the 3rd electric butterfly valve
With the 4th electric butterfly valve, the 3rd electric butterfly valve and the 4th electric butterfly valve may be contained within steam inlet pipe road, and the 3rd electricity
Dynamic butterfly valve and the 4th electric butterfly valve are respectively positioned on after the entrance of adjacent column air cooling unit on segment pipe；First manual valve and
Entering on the vapour female pipe of contact between the second hand-operated valve, draws two arms, be respectively connecting to the 3rd electric butterfly valve with
The exit of the 4th electric butterfly valve.
Two coagulation hydroenergy backwater pipelines of described two unit Air-Cooling Islands set gradually on coagulation hydroenergy backwater house steward
3rd hand-operated valve, the 4th hand-operated valve, the 5th hand-operated valve and the 6th hand-operated valve；3rd hand-operated valve and the 6th hand-operated valve
Being respectively arranged on two coagulation hydroenergy backwater pipelines, the 4th hand-operated valve and the 5th hand-operated valve are arranged at coagulation hydroenergy backwater
On the female pipe of contact；3rd hand-operated valve and the 6th hand-operated valve lay respectively at two two adjacent row air coolings of unit Air-Cooling Island
The inner side of unit.
The 7th is set gradually on two vacuum leads of described two unit Air-Cooling Islands pipe female with evacuation contact
Hand-operated valve, the 8th hand-operated valve, the 9th hand-operated valve and the tenth hand-operated valve；7th hand-operated valve and the tenth hand-operated valve are respectively
Being arranged on two vacuum leads, the 8th hand-operated valve and the 9th hand-operated valve are arranged on the female pipe of evacuation contact；
7th hand-operated valve and the tenth hand-operated valve lay respectively at the inner side of two two adjacent row air cooling unit of unit Air-Cooling Island.
Described enter the vapour female pipe of contact two ends type metal expansion joint is set.
Described enter the vapour female pipe of contact lower section be provided with supporting construction.
Compared with prior art, this utility model has the advantages that
Two unit Air-Cooling Islands are entered vapour house steward, coagulation hydroenergy backwater pipeline and vacuum lead by this utility model
Be connected by the female pipe of corresponding contact respectively, annual May to October ambient temperature higher, and adjacent machine stops transport
Time, operating unit part Air-Cooling Island is entered the part air cooling unit that vapour causes stoppage in transit unit idle and cools down, profit
With the part air cooling unit method of operation that stoppage in transit unit is idle properly functioning with this unit time identical, after exhaust steam condenses
Condensation water import operating unit coagulation hydroenergy backwater mother pipe, utilize taking out of the idle part air cooling unit of stoppage in transit unit
Vacuum system imports operating unit vacuum pumping pump mother pipe.If unit vacuum tightness index is preferable, vacuum pump runs
Number of units keeps constant；If unit vacuum tightness is poor, a water ring vacuum pump can be established newly, to eliminate because of air cooling
Condenser area increases the impact on system vacuum leakage.
[accompanying drawing explanation]
Fig. 1 is that adjacent machine does not carries out Air-Cooling Island and enters the total system schematic diagram of vapour contact；
Fig. 2 is system structure schematic diagram of the present utility model.
[detailed description of the invention]
Below in conjunction with the accompanying drawings this utility model is described in further detail:
Seeing Fig. 2, this utility model includes that adjacent two unit Air-Cooling Island, every unit Air-Cooling Island all include
Some row air cooling unit, the air intake of each column air cooling unit passes through steam inlet pipe road 19 respectively and enters vapour house steward 18 phase
Connection, each column air cooling unit is connected with vacuum pump 22 by vacuum lead 21, the condensation of each column air cooling unit
Water out is connected with coagulation hydroenergy backwater house steward 17 by coagulation hydroenergy backwater pipeline 20 respectively；Two unit air coolings
The vapour house steward 18 that enters on island is connected by entering the female pipe 23 of vapour contact, the condensate return pipe of two unit Air-Cooling Islands
Road 20 is connected by the female pipe 24 of coagulation hydroenergy backwater contact, and the vacuum lead 21 of two unit Air-Cooling Islands leads to
Cross the female pipe 25 of evacuation contact to be connected.
Enter and set gradually the first electric butterfly valve 1, first manual valve the 2, second hand-operated valve 3 on the female pipe 23 of vapour contact
And second electric butterfly valve 4；The outside of the first electric butterfly valve 1 and the second electric butterfly valve 4 respectively with two units
The vapour house steward 18 that enters of Air-Cooling Island is connected.The air intake of the two row air cooling unit that two unit Air-Cooling Islands are adjacent is respectively
Arranging the 3rd electric butterfly valve 5 and the 4th electric butterfly valve 6, the 3rd electric butterfly valve 5 and the 4th electric butterfly valve 6 are all provided with
It is placed on steam inlet pipe road 19, and the 3rd electric butterfly valve 5 and the 4th electric butterfly valve 6 are respectively positioned on adjacent column air cooling list
After the entrance of unit on segment pipe；The vapour that enters between first manual valve 2 and the second hand-operated valve 3 is got in touch with on female pipe 23,
Draw two arms, be respectively connecting to the 3rd electric butterfly valve 5 and the exit of the 4th electric butterfly valve 6.
Two coagulation hydroenergy backwater pipelines 20 of two unit Air-Cooling Islands set gradually on coagulation hydroenergy backwater house steward 17
3rd hand-operated valve the 7, the 4th hand-operated valve the 8, the 5th hand-operated valve 9 and the 6th hand-operated valve 10；3rd hand-operated valve 7 He
6th hand-operated valve 10 is respectively arranged on two coagulation hydroenergy backwater pipelines 20, and the 4th hand-operated valve 8 and the 5th is manual
Valve 9 is arranged on the female pipe 24 of coagulation hydroenergy backwater contact；3rd hand-operated valve 7 and the 6th hand-operated valve 10 lay respectively at
The inner side of the two row air cooling unit that two unit Air-Cooling Islands are adjacent.
The 7th is set gradually on two vacuum leads 21 of two unit Air-Cooling Islands pipe 25 female with evacuation contact
Hand-operated valve the 11, the 8th hand-operated valve the 12, the 9th hand-operated valve 13 and the tenth hand-operated valve 14；7th hand-operated valve 11 He
Tenth hand-operated valve 14 is respectively arranged on two vacuum leads 21, the 8th hand-operated valve 12 and the 9th hand-operated valve
13 are arranged on the female pipe 25 of evacuation contact；7th hand-operated valve 11 and the tenth hand-operated valve 14 lay respectively at two
The inner side of the two row air cooling unit that unit Air-Cooling Island is adjacent.
Fig. 1 is that adjacent machine does not carries out Air-Cooling Island and enters the total system schematic diagram of vapour contact, and Fig. 2 is that adjacent machine carries out air cooling
The total system schematic diagram of vapour contact is entered on island.
Considering nearby principle, the air cooling unit utilizing stoppage in transit unit idle typically chooses adjacent that of two units
Row air cooling unit, No. 1 unit F row in Fig. 1 and No. 2 unit A row.
Enter punching on vapour mother's pipe at two unit Air-Cooling Islands and draw vapour, adjacent machine Air-Cooling Island is set and enters vapour contact mother's pipe, point
First electric butterfly valve the 1, second electric butterfly valve 4, first manual valve 2 and the second hand-operated valve 3 are not set, it is considered to
Tubing expands and arranges type metal expansion joint 16 on the steam female pipe of contact, and is provided with the civil engineering into the female pipe of vapour contact and props up
Support structure 15.Intend utilizing and the 3rd electricity is set between idle edge columns air cooling unit and other steam inlet pipe roads arranged
Dynamic butterfly valve 5 and the 4th electric butterfly valve 6.Intend utilizing between the idle unit condensing water conduit of edge columns air cooling and
It is respectively provided with coagulation hydroenergy backwater contact mother's pipe and evacuation contact mother's pipe between vacuum lead, and the 3rd hands is set
Dynamic valve the 7, the 4th hand-operated valve the 8, the 5th hand-operated valve the 9, the 6th hand-operated valve the 10, the 7th hand-operated valve the 11, the 8th hands
Dynamic valve the 12, the 9th hand-operated valve 13 and the tenth hand-operated valve 14.
When double parallel runs, first electric butterfly valve the 1, second electric butterfly valve 4, first manual valve 2 and second
Hand-operated valve 3 cuts out, the 4th hand-operated valve the 8, the 5th hand-operated valve the 9, the 8th hand-operated valve 12 and the 9th hand-operated valve 13
Closing, the 3rd electric butterfly valve 5 and the 4th electric butterfly valve 6 are opened, the 3rd hand-operated valve the 7, the 6th hand-operated valve 10,
7th hand-operated valve 11 and the 9th hand-operated valve 13 are opened, it is achieved the original unit style of unit runs.
If No. 1 unit outage, during No. 2 unit unit operations, close the first electric butterfly valve 1 and the 3rd electronic butterfly
Valve 5, cuts out first manual valve the 2, the 3rd hand-operated valve 7 and the 7th hand-operated valve 11, opens the second electric butterfly valve 4
With the 4th electric butterfly valve 6, open the second hand-operated valve the 3, the 4th hand-operated valve the 8, the 5th hand-operated valve the 9, the 6th manual
Valve the 10, the 8th hand-operated valve the 12, the 9th hand-operated valve 13 and the tenth hand-operated valve 14, it is achieved utilize No. 1 unit limit
Edge F row air cooling unit, in the case of other parameters (unit load, ambient air temperature) are constant, expands sky
The total heat exchange area of cold condenser, improves air cooling system cooling capacity, reduces operation back pressure.
Equally, if No. 2 unit outages, during No. 1 unit unit operation, the second electric butterfly valve 4 and the 4th is closed
Electric butterfly valve 6, cuts out the second hand-operated valve the 3, the 6th hand-operated valve 10 and the tenth hand-operated valve 14, opens first electronic
Butterfly valve 1 and the 3rd electric butterfly valve 5, open first manual valve 2, the 3rd hand-operated valve 7, the 4th hand-operated valve 8, the
Five hand-operated valve the 9, the 7th hand-operated valve the 11, the 8th hand-operated valve 12 and the 9th hand-operated valves 13, it is achieved utilize No. 2 machines
Organize the row air cooling unit of edge A, in the case of other parameters (unit load, ambient air temperature) are constant, expand
The big total heat exchange area of air cooling tubes condenser, improves air cooling system cooling capacity, reduces operation back pressure.
As a example by certain subcritical Direct Air-cooled Unit of 600MW grade, under rated load, ambient temperature 33 DEG C,
Utilize adjacent machine string air cooling unit, carry out after adjacent machine Air-Cooling Island enters vapour contact transformation, running back pressure and declining about 4kPa.
Above content only illustrates technological thought of the present utility model, it is impossible to limit protection of the present utility model with this
Scope, every according to the technological thought that the utility model proposes, any change done on the basis of technical scheme,
Within each falling within the protection domain of this utility model claims.
Claims (7)
1. it is applied to air cooling island of direct air cooling unit and enters vapour neighbour's machine contacted system, it is characterised in that include adjacent
Two unit Air-Cooling Islands, every unit Air-Cooling Island all includes some row air cooling unit, each column air cooling unit enter vapour
Mouth is connected with entering vapour house steward (18) by steam inlet pipe road (19) respectively, and each column air cooling unit passes through evacuation
Pipeline (21) is connected with vacuum pump (22), and the condensation water out of each column air cooling unit is returned by condensation water respectively
Waterpipe (20) is connected with coagulation hydroenergy backwater house steward (17)；Two unit Air-Cooling Islands enter vapour house steward (18)
Being connected by entering vapour contact mother's pipe (23), the coagulation hydroenergy backwater pipeline (20) of two unit Air-Cooling Islands passes through
Coagulation hydroenergy backwater contact mother's pipe (24) is connected, and the vacuum lead (21) of two unit Air-Cooling Islands is by taking out
Vacuum contact mother's pipe (25) is connected.
The air cooling island of direct air cooling unit that is applied to the most according to claim 1 enters vapour neighbour's machine contacted system, its
Be characterised by, described in enter vapour contact mother pipe (23) on set gradually the first electric butterfly valve (1), first manual valve
(2), the second hand-operated valve (3) and the second electric butterfly valve (4)；First electric butterfly valve (1) and second electronic
The outside of butterfly valve (4) is connected with the vapour house steward (18) that enters of two unit Air-Cooling Islands respectively.
The air cooling island of direct air cooling unit that is applied to the most according to claim 2 enters vapour neighbour's machine contacted system, its
Being characterised by, it is electronic that the air intake of the two row air cooling unit that described two unit Air-Cooling Islands are adjacent is respectively provided with the 3rd
Butterfly valve (5) and the 4th electric butterfly valve (6), the 3rd electric butterfly valve (5) and the 4th electric butterfly valve (6) are all provided with
It is placed on steam inlet pipe road (19), and the 3rd electric butterfly valve (5) and the 4th electric butterfly valve (6) are respectively positioned on adjacent
After the entrance of row air cooling unit on segment pipe；Vapour is entered between first manual valve (2) and the second hand-operated valve (3)
In contact mother's pipe (23), draw two arms, be respectively connecting to the 3rd electric butterfly valve (5) and the 4th electronic
The exit of butterfly valve (6).
The air cooling island of direct air cooling unit that is applied to the most according to claim 1 enters vapour neighbour's machine contacted system, its
It is characterised by, two coagulation hydroenergy backwater pipelines (20) of described two unit Air-Cooling Islands and coagulation hydroenergy backwater house steward
(17) the 3rd hand-operated valve (7), the 4th hand-operated valve (8), the 5th hand-operated valve (9) and the 6th are set gradually on
Hand-operated valve (10)；3rd hand-operated valve (7) and the 6th hand-operated valve (10) are respectively arranged at two coagulation hydroenergy backwaters
On pipeline (20), the 4th hand-operated valve (8) and the 5th hand-operated valve (9) are arranged at coagulation hydroenergy backwater contact mother's pipe
(24) on；It is adjacent that 3rd hand-operated valve (7) and the 6th hand-operated valve (10) lay respectively at two unit Air-Cooling Islands
The inner side of two row air cooling unit.
The air cooling island of direct air cooling unit that is applied to the most according to claim 1 enters vapour neighbour's machine contacted system, its
It is characterised by, two vacuum leads (21) of described two unit Air-Cooling Islands and evacuation contact mother's pipe (25)
On to set gradually the 7th hand-operated valve (11), the 8th hand-operated valve (12), the 9th hand-operated valve (13) and the tenth manual
Valve (14)；7th hand-operated valve (11) and the tenth hand-operated valve (14) are respectively arranged at two vacuum leads (21)
On, the 8th hand-operated valve (12) and the 9th hand-operated valve (13) are arranged on evacuation contact mother's pipe (25)；The
Seven hand-operated valves (11) and the tenth hand-operated valve (14) lay respectively at two two adjacent row air cooling lists of unit Air-Cooling Island
The inner side of unit.
The air cooling island of direct air cooling unit that is applied to the most according to claim 1 enters vapour neighbour's machine contacted system, its
Be characterised by, described in enter vapour contact mother pipe (23) two ends type metal expansion joint (16) is set.
7. according to described in claim 1 or 6 be applied to air cooling island of direct air cooling unit enter vapour neighbour's machine contact system
System, it is characterised in that described in enter vapour contact mother pipe (23) lower section be provided with supporting construction (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421368.XU CN205580232U (en) | 2016-05-10 | 2016-05-10 | Be applied to direct air cooling unit air cooling island quick -witted contact system of admission neighbour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620421368.XU CN205580232U (en) | 2016-05-10 | 2016-05-10 | Be applied to direct air cooling unit air cooling island quick -witted contact system of admission neighbour |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580232U true CN205580232U (en) | 2016-09-14 |
Family
ID=56857826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620421368.XU Expired - Fee Related CN205580232U (en) | 2016-05-10 | 2016-05-10 | Be applied to direct air cooling unit air cooling island quick -witted contact system of admission neighbour |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205580232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841510A (en) * | 2016-05-10 | 2016-08-10 | 西安西热节能技术有限公司 | Air cooling island steam admission adjacent-unit communication system applied to direct air cooling units |
| CN106761970A (en) * | 2016-12-13 | 2017-05-31 | 华北电力大学 | A kind of many joint construction unit exhaust steam cooling systems and many joint construction air cooling turbo-generators |
-
2016
- 2016-05-10 CN CN201620421368.XU patent/CN205580232U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841510A (en) * | 2016-05-10 | 2016-08-10 | 西安西热节能技术有限公司 | Air cooling island steam admission adjacent-unit communication system applied to direct air cooling units |
| CN106761970A (en) * | 2016-12-13 | 2017-05-31 | 华北电力大学 | A kind of many joint construction unit exhaust steam cooling systems and many joint construction air cooling turbo-generators |
| CN106761970B (en) * | 2016-12-13 | 2018-02-16 | 华北电力大学 | A kind of more joint construction unit exhaust steam cooling systems and more joint construction air cooling turbo-generators |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |