CN106895713A - A kind of condenser self-loopa sprays spike cooling system - Google Patents
A kind of condenser self-loopa sprays spike cooling system Download PDFInfo
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- CN106895713A CN106895713A CN201710100123.6A CN201710100123A CN106895713A CN 106895713 A CN106895713 A CN 106895713A CN 201710100123 A CN201710100123 A CN 201710100123A CN 106895713 A CN106895713 A CN 106895713A
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- Prior art keywords
- self
- loopa
- condenser
- cooling system
- sprays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a kind of condenser self-loopa spray spike cooling system, including：Condenser, self-loopa output pipe, cooler, self-loopa intake line and self-loopa spray equipment；The steam inlet of condenser is connected with the exhaust vent of steam turbine, and throat, condenser pipe and hot well are from top to bottom disposed with condenser；The water inlet of self-loopa output pipe and the first condensate outlet of hot well, delivery port are connected with the Heating medium of cooler；The spray liquid inlet communication of the water inlet of self-loopa intake line and the heating agent outlet of cooler, water transport port and self-loopa spray equipment；Self-loopa spray equipment is arranged at the throat of condenser；Wherein, the condensate for being sprayed by the mouth spray of self-loopa spray equipment mixes in throat with the steam discharge of steam turbine, heat absorption evaporation, undergoes phase transition.The condenser self-loopa spray spike cooling system that the present invention is provided can control effectively to unit vacuum.
Description
Technical field
The invention belongs to steam turbine technology field, specifically, the present invention relates to a kind of condenser self-loopa spray spike
Cooling system.
Background technology
Condenser is a kind of heat exchanger for turbine discharge to be condensed into water, and it is except can be by the steam discharge of steam turbine
Boiler of feeding is reused outward after being condensed into water, moreover it is possible to vacuum is set up at turbine discharge and vacuum is maintained.Condenser is divided into water
Two kinds of cold condenser (or wet type cooling unit) and air cooling tubes condenser (or Air-cooled Unit), from economic benefit, water-cooled condensing
Device application is more universal.
For water-cooled condenser, the water-cooled condenser of southern china is especially in, when southern summer temp is higher, coagulated
Vapour device film-cooled heat is generally not enough, and water-cooled condenser vacuum is low, and heat consumption rate is high.
The content of the invention
It is an object of the invention to provide a kind of condenser self-loopa spray spike cooling system, at least to solve the southern summer
When Ji Wendu is higher, the universal not enough technical problem of condenser cooling surface, while can solve the problem that water-cooled condenser vacuum it is low and
Heat consumption rate technical problem high.
In order to solve the above problems, the present invention provides a kind of condenser self-loopa spray spike cooling system, its technical side
Case is as follows：
A kind of condenser self-loopa sprays spike cooling system, including：Condenser, self-loopa output pipe, cooler, from
Circulation intake line and self-loopa spray equipment；The steam inlet of the condenser is connected with the exhaust vent of steam turbine, described
Throat, condenser pipe and hot well are from top to bottom disposed with condenser；The water inlet of the self-loopa output pipe with it is described
First condensate outlet of hot well, delivery port is connected with the Heating medium of the cooler；The self-loopa intake line
Water inlet and the cooler heating agent outlet, water transport port connects with the spray liquid import of the self-loopa spray equipment
It is logical；The self-loopa spray equipment is arranged at the throat；Wherein, by coagulating that the mouth spray of the self-loopa spray equipment sprays
Bear water and mix with the steam discharge of the steam turbine in the throat, heat absorption evaporation undergoes phase transition.
Condenser self-loopa spray spike cooling system described above, more preferably：Self-loopa exports water pump, described
Self-loopa output water pump is arranged on the self-loopa output pipe.
Condenser self-loopa spray spike cooling system described above, more preferably：The cooler is cold for evaporation
But device or external condenser.
Condenser self-loopa spray spike cooling system described above, more preferably：The self-loopa spray equipment
Nozzle be atomizer.
Condenser self-loopa spray spike cooling system described above, more preferably：Water conservancy diversion optimizes plate, is installed on institute
Throat is stated and positioned at the lower section of the self-loopa spray equipment, for will be sprayed by the mouth spray of the self-loopa spray equipment
Condensate is uniformly oriented to the condenser pipe of the condenser with the mixed steam of the steam discharge.
Condenser self-loopa spray spike cooling system described above, more preferably：The water conservancy diversion optimization plate is with perpendicular
Centered on straight center line, plate is inclined is symmetrical arranged for the water conservancy diversion optimization of both sides.
Condenser self-loopa spray spike cooling system described above, more preferably：The water conservancy diversion optimization plate is in umbrella
Shape is arranged.
Condenser self-loopa spray spike cooling system described above, more preferably：Second condensation of the hot well
Water out is connected with the feed-water inlet of the unit heat regenerative system of the steam turbine.
Analysis understands that compared with prior art, the advantages of the present invention are：
First, the condenser self-loopa that the present invention is provided sprays spike cooling system with self-circulation pipeline by condenser hotwell
The condensate of " high temperature " be transported to devaporizer, a part of heat can be taken away, be equivalent to increased condenser cooling surface
Product；Circulating water flow (increased film-cooled heat of equal value) can be adjusted and control according to system requirements, so as to realize to machine
Effective control of group vacuum.
2nd, the present invention is set self-loopa spray equipment and water conservancy diversion optimization plate, it is possible to achieve spray atomizing water and steam discharge
Mixing, and spray atomizing water and steam discharge is uniformly scattered.
Brief description of the drawings
Fig. 1 sprays the structural representation of spike cooling system for the condenser self-loopa of the preferred embodiment of the present invention.
Fig. 2 is I enlarged drawing of Fig. 1.
Fig. 3 is II enlarged drawing of Fig. 1.
In figure：1- condensers；11- hot wells；12- condenser pipes, 13- throats；14- self-loopa output pipes；15- self-loopas are defeated
Enter pipeline；2- self-loopas export water pump；3- coolers；31- casings；310- air regulators；32- blower fans；34- header tanks；35- coolers
Spray equipment；36- heat exchanger tubes；4- condensate pumps；5- unit heat regenerative systems；6- turbine low pressure cylinders, 7- steam turbine high intermediate pressure cylinders；
8- boilers；9- self-loopa spray equipments；10- water conservancy diversion optimizes plate.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2 and Figure 3, the condenser self-loopa spray spike cooling system of the preferred embodiment of the present invention is main
Including condenser 1, self-loopa output pipe 14, cooler 3, self-loopa intake line 15 and self-loopa spray equipment 9.
Condenser 1 is used to cool down the steam discharge of steam turbine, its condensation is become condensate, and it includes：It is throat 13, cold
Solidifying pipe 12 and hot well 11, the steam inlet of the condenser 1 that the steam discharge of steam turbine is connected by the steam drain with steam turbine enter condensing
In device 1, after flowing through throat 13, contacted with the surface of condenser pipe 12 below throat 13, be condensed into condensate, condensate finally converges
Collect in hot well 11, circulating cooling liquid is left in condenser pipe 12, can be cooling water.Throat 13 is a hollow space, preferably
Flaring structure, the diameter (distance on direction from left to right) of the longitudinal section of throat 13 gradually increases on the direction from top to bottom
Greatly.
Self-loopa output pipe 14 is used to be delivered to the condensate of the hot well 11 of condenser 1 in cooler 3, its water inlet
Communicated with the first condensation water out of hot well 11, delivery port is communicated with the heating agent entrance of cooler 3.
Cooler 3 is used to be cooled down to entering the condensate in it, and the condensate after cooling goes out through the heating agent of cooler 3
Mouth discharge.
The condensate that self-loopa intake line 15 is used for after being cooled down through cooler 3 is delivered to self-loopa spray equipment 9, its
The spray liquid inlet communication of the heating agent outlet of water inlet and cooler 3, water transport port and self-loopa spray equipment 9.
Self-loopa spray equipment 9 is arranged on the throat of condenser 1, and it is used to be sprayed out the condensate entered in it,
The condensate (or shower water) being sprayed out mixes in throat with the steam discharge of steam turbine, rapid heat absorption evaporation, undergoes phase transition, i.e.,
Shower water absorbs the heat of steam discharge, is steam state from liquid phase-change, meanwhile, mixed exhaust steam flow increases, with connecing for condenser pipe
Contacting surface product increase so that the surface heat exchanging of condenser pipe fully, so that condenser exchange capability of heat is improved, improves vacuum,
Reduce heat consumption rate.After mixed steam flows through throat, contacted with condenser pipe 12, be condensed into condensate, be finally pooled to
In hot well 11.
Sum it up, the condenser self-loopa spray spike cooling system that the present invention is provided passes through self-loopa output pipe 14
The condensate of " high temperature " in hot well 11 is delivered to cooler 3, throat 13 is transported to after being cooled down through cooler 3, and in larynx
Mix with steam discharge at portion 13, a part of heat of steam discharge can be taken away, be equivalent to increased condenser cooling surface, so as to improve
The vacuum of condenser, reduce heat consumption rate.
In order to be beneficial to convey condensate to cooler 3, as shown in figure 1, present invention additionally comprises self-loopa output water pump 2, its
On self-loopa output pipe 14, while can be used to control the keying of self-loopa output pipe 14, it can in addition contain control
The circulating water flow of condensate, such that it is able to being further adjusted and controlling according to the requirement of the system, so as to realize to solidifying
Effective control of vapour device vacuum, the adjustment of the circulating water flow of condensate can also be installed by self-loopa intake line 15
Self-loopa is input into water pump to realize, the present embodiment is not defined to this.
Cooler 3 can be devaporizer, can also be external condenser.Fig. 3 shows the structure of devaporizer
Schematic diagram.Devaporizer includes：Casing 31, blower fan 32, header tank 34, cooler spray equipment 35 and heat exchanger tube 36.Casing
Heat exchanger tube 36 and header tank 34 are from top to bottom disposed with 31, cooler spray equipment 35 is arranged at the lower section of blower fan 32 and position
In the top of casing 31.Air-inlet window 310 is provided with casing 31 between header tank 34 and heat exchanger tube 36.The import of heat exchanger tube 36 is
The Heating medium of cooler, the outlet of heat exchanger tube 36 is the heating agent outlet of cooler, and positioned at the import top of heat exchanger tube 36.It is cold
But device spray equipment 35 exchanges heat by coolant spray to the surface of heat exchanger tube 36 with the condensate in heat exchanger tube 36, coolant
Rear portion of being heated can become steam, and others flow downward, and finally come together in header tank 34, and the condensate after cooling is through changing
The outlet discharge of heat pipe 36.In order to promote recycling for coolant, cooler spray equipment 35 is connected with header tank 34, so that
Header tank 34 collect coolant as cooler spray equipment 35 coolant.Blower fan 32 is located at the top of casing 31, is used for
Air outside casing 31 is entered in casing 31 from air-inlet window 37, and from bottom to top flow through heat exchanger tube 36, and by casing 31
Side's discharge, such that it is able to will be taken away in the water vapour of the outer vaporization of heat exchanger tube 36.In the present invention, it is necessary to consider how to realize cooling
Condensate afterwards is sufficiently mixed with the steam discharge of steam turbine, as depicted in figs. 1 and 2, the nozzle of self-loopa spray equipment 9 of the invention
It is atomizer, it can be sprayed out the condensate after cooling with vaporific, so as to form spray atomizing water.Atomizer
Direction can be towards the condensate after the downward spraying cooling of throat 13, i.e. atomizer.
Certainly, present invention additionally comprises water conservancy diversion optimization plate 10, it is installed on throat 13 and under self-loopa spray equipment 9
Side, for shower water and the mixed steam of steam discharge to be uniformly oriented into condenser pipe 12.As shown in Fig. 2 being preferably, water conservancy diversion optimization
Centered on the vertical center line of throat 13, plate 10 is inclined is symmetrical arranged for the optimization of the water conservancy diversion of both sides for plate 10.More preferably,
Water conservancy diversion optimizes plate 10 and is arranged in umbrella.
In order to recycle condensate, the second condensation water out of the hot well 11 of condenser and the unit backheat system of steam turbine
The feed-water inlet connection of system 5, after unit heat regenerative system 5 is heated to it, then is transported to boiler 8.Preferably, in hot well 11
Condensate is delivered to the feed-water inlet of unit heat regenerative system 5 through condensate pump 4.
As shown in figure 1, the course of work of condenser self-loopa of the invention spray spike cooling system is carried out in detail below
Thin description：
Be transported to the condensate of hot well 11 in devaporizer and cooled down by self-loopa output water pump 2, solidifying after cooling
The throat 13 for entering condenser 1 by self-loopa spray equipment 9 again is born water, in throat 13 with vaporific and turbine low pressure cylinder 6
Steam discharge mixes, rapid heat absorption evaporation, undergoes phase transition.Water conservancy diversion optimization plate 10 installed in the position of throat 13 can make to be sprayed by self-loopa
The condenser pipe 12 that the spray atomizing water and the mixed steam of steam discharge that shower device 9 sprays uniformly are oriented to condenser 1 is condensed.
After steam condensation, the hot well 11 of condenser is again introduced into, the condensate part in hot well condenses water out and enters by second
Unit heat regenerative system 5 (is opened and closed) by condensate pump 4, is entered back into and heated in boiler 8 is delivered to steam turbine high intermediate pressure cylinder 7, vapour
After the steam discharge of the high pressure cylinder in turbine high intermediate pressure cylinder 7 is through the reheating of boiler 8, the intermediate pressure cylinder of steam turbine high intermediate pressure cylinder 7, steamer are delivered to
The steam discharge of the intermediate pressure cylinder of machine high intermediate pressure cylinder 7 is delivered to turbine low pressure cylinder 6；Another part exports the weight of water pump 2 yet by self-loopa
Multiple said process.Due to shower water from liquid phase-change be steam state, heat absorption increase；Meanwhile, mixed exhaust steam flow increases, and solidifying
The contact area increase of the condenser pipe 12 of vapour device 1, surface heat exchanging is more abundant, so that the exchange capability of heat of whole condenser 1 is improved.
The condensate of " high temperature " is transported to devaporizer by self-loopa output water pump 2, can take away a part of heat, is equivalent to increase
The film-cooled heat of condenser 1.Circulating water flow (increased film-cooled heat of equal value) can be adjusted according to the system requirements
(water pump is for example exported by self-loopa) and control, so as to realize the effective control to unit vacuum.
Analysis understands that compared with prior art, the advantages of the present invention are：
First, the condenser self-loopa spray spike cooling system that the present invention is provided passes through self-loopa output pipe by hot well 11
The condensate of interior " high temperature " is delivered to cooler 3, and throat 13 is delivered to again after being cooled down through cooler 3, and mixes with steam discharge, can
To take away a part of heat, it is equivalent to increased condenser cooling surface, so as to improve the vacuum of condenser, reduce heat
Consumption rate.The circulating water flow of the condensate in other self-loopa output pipe 14 can be adjusted according to the requirement of the system and
Control, so as to realize the effective control to unit (i.e. condenser) vacuum.
2nd, the present invention set self-loopa cooling sprayer 9 and water conservancy diversion optimization plate 10, it is possible to achieve spray atomizing water and
Steam discharge is sufficiently mixed, and spray atomizing water and the steam discharge is uniformly scattered.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or the embodiment party of essential feature
Case is realized.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute
Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.
Claims (8)
1. a kind of condenser self-loopa sprays spike cooling system, it is characterised in that including：Condenser, self-loopa output pipe,
Cooler, self-loopa intake line and self-loopa spray equipment；
The steam inlet of the condenser is connected with the exhaust vent of steam turbine, is from top to bottom disposed with the condenser
Throat, condenser pipe and hot well；
First condensate outlet of the water inlet of the self-loopa output pipe and the hot well, delivery port and the cooling
The Heating medium connection of device；
The water inlet of the self-loopa intake line sprays with the heating agent outlet of the cooler, water transport port with the self-loopa
The spray liquid inlet communication of shower device；
The self-loopa spray equipment is arranged at the throat；
Wherein, steam discharge of the condensate for being sprayed by the mouth spray of the self-loopa spray equipment in the throat and the steam turbine
Mixing, heat absorption evaporation, undergoes phase transition.
2. condenser self-loopa according to claim 1 sprays spike cooling system, it is characterised in that also include：
Self-loopa exports water pump, and the self-loopa output water pump is arranged on the self-loopa output pipe.
3. condenser self-loopa according to claim 1 sprays spike cooling system, it is characterised in that
The cooler is devaporizer or external condenser.
4. condenser self-loopa according to claim 1 sprays spike cooling system, it is characterised in that
The nozzle of the self-loopa spray equipment is atomizer.
5. the condenser self-loopa according to any one of Claims 1 to 4 sprays spike cooling system, it is characterised in that
Also include：
Water conservancy diversion optimizes plate, the throat is installed on and positioned at the lower section of the self-loopa spray equipment, for will certainly be followed by described
The condensate that the mouth spray of ring spray shower device sprays uniformly is oriented to the cold of the condenser with the mixed steam of the steam discharge
Solidifying pipe.
6. condenser self-loopa according to claim 5 sprays spike cooling system, it is characterised in that
The water conservancy diversion optimizes plate centered on the vertical center line of the throat, and the water conservancy diversion optimization plate of both sides is inclined symmetrical
Set.
7. condenser self-loopa according to claim 5 sprays spike cooling system, it is characterised in that
The water conservancy diversion optimization plate is arranged in umbrella.
8. condenser self-loopa according to claim 1 sprays spike cooling system, it is characterised in that
Second condensation water out of the hot well is connected with the feed-water inlet of the unit heat regenerative system of the steam turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100123.6A CN106895713A (en) | 2017-02-23 | 2017-02-23 | A kind of condenser self-loopa sprays spike cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100123.6A CN106895713A (en) | 2017-02-23 | 2017-02-23 | A kind of condenser self-loopa sprays spike cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106895713A true CN106895713A (en) | 2017-06-27 |
Family
ID=59184295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100123.6A Withdrawn CN106895713A (en) | 2017-02-23 | 2017-02-23 | A kind of condenser self-loopa sprays spike cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106895713A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321127A (en) * | 2017-07-06 | 2017-11-07 | 大唐东北电力试验研究所有限公司 | Ammoniacal liquor recovery system and method in thermal power plant's condenser |
| CN113465403A (en) * | 2021-07-13 | 2021-10-01 | 杭州国能汽轮工程有限公司 | Turbine auxiliary engine water-cooling condenser with high stability |
-
2017
- 2017-02-23 CN CN201710100123.6A patent/CN106895713A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321127A (en) * | 2017-07-06 | 2017-11-07 | 大唐东北电力试验研究所有限公司 | Ammoniacal liquor recovery system and method in thermal power plant's condenser |
| CN113465403A (en) * | 2021-07-13 | 2021-10-01 | 杭州国能汽轮工程有限公司 | Turbine auxiliary engine water-cooling condenser with high stability |
| CN113465403B (en) * | 2021-07-13 | 2021-12-10 | 杭州国能汽轮工程有限公司 | Turbine auxiliary engine water-cooling condenser with high stability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170627 |
|
| WW01 | Invention patent application withdrawn after publication |