CN203911671U - Hydropower station unit energy conservation and environment protection phase change cooling device - Google Patents
Hydropower station unit energy conservation and environment protection phase change cooling device Download PDFInfo
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- CN203911671U CN203911671U CN201420359156.4U CN201420359156U CN203911671U CN 203911671 U CN203911671 U CN 203911671U CN 201420359156 U CN201420359156 U CN 201420359156U CN 203911671 U CN203911671 U CN 203911671U
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Abstract
The utility model discloses a hydropower station unit energy conservation and environment protection phase change cooling device which comprises a condenser, a cooler group, and a gas-liquid separator. A working medium steam inflow pipe and a working medium condensate outlet pipe which are connected in parallel are arranged between the cooler group and the gas-liquid separator. A working medium steam outlet pipe and a working medium condensate return pipe which are connected in parallel are arranged between the gas-liquid separator and the condenser. According to the utility model, the gas-liquid separator is added to perform gas-liquid separation on the working medium steam and then the gas is delivered into the condenser for condensation, so advantages of good cooling effect and high condensation efficiency can be realized. According to the utility model, a closed cooling system is formed, the system will not be influenced by the water quality, safe operation hidden dangers caused by the water quality problem on the unit can be solved, and sewage does not discharged to the ambient environment; and the loss of the unit is used as one portion of the system operation power, so only a low-power water pump is needed to provide power, and advantages of good condensation effect and energy conservation and environment protection can be realized.
Description
Technical field
The utility model relates to Hydropower Plant cooling technology field, particularly, relates to a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant.
Background technology
Hydropower Plant, in running, can give out a large amount of heats.These heats must be taken away unit, the operation that unit could be safe and reliable, and the object that machine set technology supplies water is taken away these heats exactly.
Conventional technical water supply mode has the recirculation refrigerating technology that traditional steel pressure pipe water intaking, tail water water intaking, forebay water intaking, top cover water intaking etc. and recent two decades extensively use to supply water and plate heat exchanger hydrotechny at present.
In the technical water supplies such as the water intaking of tradition steel pressure pipe, tail water water intaking, forebay water intaking, top cover water intaking, water source is all river, and water quality is uncontrollable, and lubrication oil enters korneforos polluted river, is unfavorable for environmental protection.
The water source that recirculation refrigerating technology supplies water is recirculated water, and water quality can manual control, but its system is comprised of circulating water pool, circulating water pump, each cooler of unit, tail water cooler, pipeline, valve and Automation Elements.Circulating water pump draws water and enters tail water cooler from circulating water pool, then to unit, cooling water is got back to circulating water pool after absorbing unit heat; By water pump, pump it to tail water cooler again, get back to unit after cooling in tail water cooler, need water pump that power is provided, consume station service more.
During plate heat exchanger supplies water, plate heat exchanger need to be arranged in factory building, takies factory building space; Need two cover water pump systems to provide power for whole system, power consumption is large; River is taken from the cold water side water source of plate heat exchanger, affected by quality of river water larger; The cold water side draining of plate heat exchanger directly drains into river, also can cause certain influence to environment.
In addition, the circulating cooling device for unit of hydroelectric station that also adopts each cooler of unit, cooling working medium, condenser and Automation Elements to form by some at present, it utilizes the loss of unit as the power of whole system, does not need pond and water pump.First whole system is vacuumized, then in unit cooler, add working medium to design attitude; Start, after unit operation, the heat that working medium absorbs unit becomes gas, rises to the condenser that is arranged in generator floor, and the water cooling that is cooled in condenser becomes liquid, by deadweight, gets back to each cooler of unit.It has solved the quality problem that machine set technology supplies water, and can not discharge noxious substance to the external world, also can save station service.But in this technology, gas after working medium absorption heat in steam comprises that gas-liquid two-phase all enters condenser and carries out condensation, cause the condensation effect of condenser Working medium gas not high, condensation efficiency is low, in addition in this technology application, condenser is generally arranged in factory building, take factory building space, need to be introduced separately into clean cooling water to condenser inside, this all cannot realize in a lot of power stations simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant, this cooling device carries out condensation by working substance steam being carried out to gas is sent into condenser after gas-liquid separation again, and good cooling results, condensation efficiency are high.
The technical scheme in the invention for solving the above technical problem is:
A kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant, comprise condenser and cooler package, also comprise gas-liquid separator, between cooler package and gas-liquid separator, be provided with working substance steam inflow pipe in parallel and working medium condensate liquid and flow out pipe, between gas-liquid separator and condenser, be provided with working substance steam effuser in parallel and working medium condensate liquid return duct.Aforementioned parallel connection refers to: working substance steam inflow pipe and working medium condensate liquid flow out pipe and be arranged in parallel between cooler package and gas-liquid separator, and working substance steam inflow pipe flows out the equal one end of pipe with working medium condensate liquid and is connected cooler package, and the other end connects gas-liquid separator; Working substance steam effuser and working medium condensate liquid return duct are connected in parallel between gas-liquid separator and condenser, and working substance steam effuser is connected condenser with the equal one end of working medium condensate liquid return duct, and one end connects gas-liquid separator.In this programme, cooler package refers to the cooler package that a plurality of coolers by unit form, more than one of the quantity of working substance steam inflow pipe and working substance steam effuser, and each unit cooler connects a working substance steam inflow pipe and a working substance steam effuser.This programme arranges gas-liquid separator between each cooler of cooler package and condenser, from working substance steam inflow pipe, flowed into gas-liquid separator by the working substance steam that comprises vapour-liquid two-phase of thermal evaporation, in gas-liquid separator, carry out after gas-liquid separation, gas is sent into condenser from working substance steam effuser and is carried out condensation, making to enter the whole of condenser is gas, and cooling effect is better, condensation efficiency is high.Condensed working medium condensate liquid is by working medium condensate liquid return line flow return-air liquid/gas separator, and with together with the liquid of gas-liquid separator separates, by working medium condensate liquid, flow out pipe and flow back in cooler package.
As further improvement of the utility model, the above-mentioned energy-conserving and environment-protective phase-change cooling device for Hydropower Plant also comprises immersible pump, each cooler in described condenser, gas-liquid separator and cooler package all has airtight chamber, and the airtight chamber of gas-liquid separator flows out pipe, working substance steam effuser and working medium condensate liquid return duct upper end with working substance steam inflow pipe, working medium condensate liquid and is communicated with; Described working substance steam inflow pipe and working medium condensate liquid flow out pipe lower end and are communicated with the airtight chamber of each cooler of cooler package; Described working substance steam effuser lower end is communicated with the airtight chamber of condenser, and described working medium condensate liquid return duct lower end is communicated with the airtight chamber of condenser by immersible pump.
Further, the above-mentioned energy-conserving and environment-protective phase-change cooling device for Hydropower Plant also comprises the hydrops case of the working medium condensate liquid of collecting condenser condenses, this hydrops case is communicated with the airtight chamber of condenser, described working medium condensate liquid return duct lower end is connected in this hydrops case, and described immersible pump is also arranged in this hydrops case.
Further, described cooler package comprises heat pipe evaporator and the bearing cooler package that generator air heat is removed.
Further, described heat pipe evaporator is the aerial cooler of hydraulic generator unit autogamy, and described bearing cooler package comprises top guide bearing cooler, lower guide bearing cooler and water pilot bearing cooler.
Further, the above-mentioned energy-conserving and environment-protective phase-change cooling device for Hydropower Plant also comprises interim expansion box and interim liquid reserve tank, described aerial cooler, top guide bearing cooler, after convergeing in interim expansion box, the working substance steam inflow pipe of lower guide bearing cooler and water pilot bearing cooler is connected in gas-liquid separator by a working substance steam inflow pipe, described gas-liquid separator flows out pipe by a working medium condensate liquid and is connected with interim liquid reserve tank, interim liquid reserve tank is flowed out and is managed respectively and aerial cooler by many working medium condensate liquids again, top guide bearing cooler, lower guide bearing cooler is connected with water pilot bearing cooler.
Further, described condenser is arranged in tail water, utilizes mobile river that the gas cooled of working substance steam is become to liquid, then by immersible pump, liquid is drawn back to gas-liquid condenser.Because condenser is arranged in tail water, without to the clean cooling water of the inner introducing of condenser, do not worry quality problem, simultaneity factor can outwards not discharged any noxious substance, very environmental protection yet.
Further, the above-mentioned energy-conserving and environment-protective phase-change cooling device for Hydropower Plant also comprises liquid feeding case, on described gas-liquid separator, be provided with filling opening, described liquid feeding case is connected on this filling opening, so that increase working medium condensate liquid to gas-liquid separator after loss of working substance.
To sum up, the beneficial effects of the utility model are:
1, the utility model is sealed cooling system; the heat that working medium absorbs unit in each cooler of unit becomes the gas that includes vapour-liquid two-phase afterwards; after being condensed into liquid by the gas after gas-liquid separator separates in condenser, get back to unit; liquid after separation directly flows back to unit; be not subject to the impact of river silt, floating thing etc. completely; thoroughly solve the safe operation hidden danger that quality problem brings to unit; do not discharge towards periphery any sewage yet; can not cause harmful effect to environment, very environmental protection.
2, the utility model arranges gas-liquid separator between each cooler of cooler package and condenser, by being heated in each cooler, being evaporated to working substance steam in gas-liquid separator carries out gas being sent into condenser after gas-liquid separation again and carries out condensation, making to enter whole in condenser is gas, and cooling effect is better, condensation efficiency is high.
3, the utility model makes full use of the loss of unit, and a part of power of running using it as system, in system, only needs low power water pump that power is provided, and consumes station service few, energy-conservation.
4, condenser of the present utility model is arranged in tail water, and without introduce clean cooling water to condenser, so this technology do not need to build pond yet, and water pump need not be arranged in factory building, has saved factory building space.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing:
1-top guide bearing cooler; 2-heat pipe evaporator; 3-lower guide bearing cooler; 4-water pilot bearing cooler; 5-condenser; 6-hydrops case; 7-immersible pump; 8-gas-liquid separator; 9-liquid feeding case; 10-working substance steam inflow pipe; 11-working substance steam effuser; 12-working medium condensate liquid flows out pipe; 13-working medium condensate liquid return duct; The interim expansion box of 14-; The interim liquid reserve tank of 15-.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but execution mode of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1, a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant, comprises condenser 5, gas-liquid separator 8 and includes the cooler package of a plurality of unit coolers, is filled with working medium, for example R134A liquid in each cooler.
Between cooler package and gas-liquid separator 8, be provided with working substance steam inflow pipe 10 in parallel and working medium condensate liquid and flow out pipe 12, between gas-liquid separator 8 and condenser 5, be provided with working substance steam effuser 11 in parallel and working medium condensate liquid return duct 13.Wherein, working substance steam inflow pipe 10 is identical with the quantity of cooler in cooler package with the quantity that working medium condensate liquid flows out pipe 12, and each cooler connects a working substance steam inflow pipe and a working substance steam effuser.Aforementioned parallel connection refers to: it is in parallel that working substance steam inflow pipe 10 and working medium condensate liquid flow out pipe 12 between cooler package and gas-liquid separator 8, working substance steam effuser 11 and working medium condensate liquid return duct 13 are also in parallel between gas-liquid separator 8 and condenser 5, be that working substance steam inflow pipe 10 is connected cooler package with working medium condensate liquid outflow pipe 12 equal one end, the other end connects gas-liquid separator 8; Working substance steam effuser 11 is connected condenser 5 with the equal one end of working medium condensate liquid return duct 13, and the other end connects gas-liquid separator 8.
Its working method is: the working medium in cooler is heated and is evaporated to the working substance steam that includes gas-liquid two-phase, the working substance steam of each cooler flows into gas-liquid separator by coupled working substance steam inflow pipe, gas-liquid separator carries out gas-liquid separation to the working substance steam of all inflows, gas after separation is sent into condenser from working substance steam effuser and is carried out condensation, gas is condensed into after liquid in condenser, in working medium condensate liquid return line flow return-air liquid/gas separator, and with together with the liquid of gas-liquid separator separates, by the working medium condensate liquid being connected with each cooler, flow out pipe and flow back in cooler package in corresponding each cooler.
In the present embodiment; above-mentioned condenser 5, gas-liquid separator 8 and cooler package and the working substance steam inflow pipe 10, working substance steam effuser 11, working medium condensate liquid that are connected them flow out pipe 12, working medium condensate liquid return duct 13 has formed an airtight cooling system; be not subject to water quality impact; solve the safe operation hidden danger that quality problem brings to unit; do not discharge towards periphery any sewage yet; can not cause harmful effect to environment, very environmental protection.Gas-liquid separator is undertaken gas being sent into condenser after gas-liquid separation by working substance steam again and carries out condensation, and condenser only carries out condensation to gas, and cooling effect is better, condensation efficiency is high.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, cooler package comprises heat pipe evaporator 2 and the bearing cooler package that generator air heat is removed, and heat pipe evaporator 2 adopts the aerial cooler of hydraulic generator unit autogamy, described bearing cooler package comprises top guide bearing cooler 1, lower guide bearing cooler 3 and water pilot bearing cooler 4.
Embodiment 3:
On the basis of embodiment 1 or embodiment 2, the gas-liquid separator 8 of a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant in the present embodiment is arranged on each cooler top, condenser 5 is lower than each cooler of unit, therefore between condenser 5 and steam-water separator 8, be also provided with hydrops case 6 and immersible pump 7, working medium condensate liquid with condensation in condenser 5 is first collected hydrops case 6, then the working medium condensate liquid in hydrops case 6 is extracted in steam-water separator 8, concrete connected mode is as follows:
Each cooler in gas-liquid separator 8 and cooler package all has airtight chamber, and the airtight chamber of gas-liquid separator 8 flows out pipe 12, working substance steam effuser 11 and working medium condensate liquid return duct 13 upper ends with working substance steam inflow pipe 10, working medium condensate liquid and is communicated with; Working substance steam inflow pipe 10 and working medium condensate liquid flow out pipe 12 lower ends and are communicated with the airtight chamber of each cooler of cooler package respectively; Working substance steam effuser 11 lower ends are communicated with the airtight chamber of condenser 5; Hydrops case 6 also has airtight chamber, and its airtight chamber is communicated with the airtight chamber of condenser 5, and immersible pump 7 is arranged in this hydrops case 6, and described working medium condensate liquid return duct 13 lower ends are communicated with the airtight chamber of hydrops case 6 by immersible pump 7.On gas-liquid separator 8, be provided with the steam inlet being connected with working substance steam inflow pipe 10, the steam (vapor) outlet being connected with working substance steam effuser 11, the condensate liquid entrance that flows out pipe 12 condensate outlets that are connected, is connected with working medium condensate liquid return duct 13 with working medium condensate liquid, preferably, steam inlet and steam (vapor) outlet are arranged on gas-liquid separator 8 tops, condensate outlet is arranged on gas-liquid separator 8 bottoms, is convenient to that gas rises naturally and liquid flows out by deadweight.
In addition,, in the present embodiment, condenser 5 is arranged in tail water.
Its operation principle is as follows:
It carries out cooling based on heat exchange principle, in hydraulic generator unit, be furnished with each cooler (for example aerial cooler in embodiment 2, top guide bearing cooler 1, lower guide bearing cooler 3 and water pilot bearing cooler 4) of unit, in each cooler, be filled with for example R134A liquid of worker quality liquid, after unit running, produce heat, make the R134A liquid in each cooler of unit become the gas that contains gas-liquid two-phase, gas in each cooler rises to by the working substance steam inflow pipe 10 being connected on each cooler the separation of carrying out liquid-gas in gas-liquid separator 8, after separation, liquid flows out pipe 12 declines by many working medium condensate liquids and flows into respectively in each cooler, gas flow in the condenser 5 in tail water by working substance steam effuser 11, after cooling by tail water, become liquid, the condensed liquid of condenser 5 is evacuated to liquid in gas-liquid separator 8 through working medium condensate liquid return duct 13 by immersible pump 7 after being collected by hydrops case 6 again, the liquid refluxing flows back in each cooler through many working medium condensate liquids outflow pipes 12 with the liquid of gas-liquid separator 8 separation.
Embodiment 4:
On the basis of embodiment 3, the energy-conserving and environment-protective phase-change cooling device for Hydropower Plant in the present embodiment also comprises interim expansion box 14 and interim liquid reserve tank 15, after the working substance steam inflow pipe 10 of described each cooler (as: aerial cooler, top guide bearing cooler 1, lower guide bearing cooler 3 and water pilot bearing cooler 4) converges in interim expansion box 14, by a working substance steam inflow pipe 10, is connected in gas-liquid separator 8; Described gas-liquid separator 8 flows out pipe 12 by a working medium condensate liquid and is connected with interim liquid reserve tank 15, interim liquid reserve tank 5 flows out pipe 12 by many working medium condensate liquids again and is connected with aerial cooler, top guide bearing cooler 1, lower guide bearing cooler 3 and water pilot bearing cooler 4 respectively, and working medium condensate liquid is flowed back to respectively to each cooler.8 needs of gas-liquid separator arrange a steam inlet and a condensate outlet like this.
For the ease of the flowing of controlled medium steam, separated after the flowing of gas, separated after the extraction of liquid after the flowing of liquid, condensation, those of ordinary skills can also arrange control valve as required on aforementioned each pipeline, because the setting of control valve on pipeline belongs to the conventional technological means of this area and also do not belong to the inventive point of the present embodiment and implement necessary means, in the present embodiment, repeat no more choosing and arranging of control valve.
Embodiment 5:
On above-described embodiment basis, the energy-conserving and environment-protective phase-change cooling device for Hydropower Plant of the present embodiment also comprises the liquid feeding case 9 being connected on gas-liquid separator 8, on described gas-liquid separator 8, be provided with filling opening, described liquid feeding case 9 is connected on this filling opening, and be communicated with the confined space of gas-liquid separator 8, while being convenient to loss of working substance, supplement in time worker quality liquid.
Below be only preferred implementation of the present utility model, protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, the some improvements and modifications not departing under the utility model principle prerequisite, should be considered as protection range of the present utility model.
Claims (8)
1. the energy-conserving and environment-protective phase-change cooling device for Hydropower Plant, comprise condenser (5) and cooler package, it is characterized in that, also comprise gas-liquid separator (8), between cooler package and gas-liquid separator (8), be provided with working substance steam inflow pipe (10) in parallel and working medium condensate liquid and flow out pipe (12), between gas-liquid separator (8) and condenser (5), be provided with working substance steam effuser (11) in parallel and working medium condensate liquid return duct (13).
2. a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant according to claim 1, it is characterized in that, also comprise immersible pump (7), each cooler in described condenser (5), gas-liquid separator (8) and cooler package all has airtight chamber, and the airtight chamber of gas-liquid separator (8) flows out pipe (12), working substance steam effuser (11) and working medium condensate liquid return duct (13) upper end with working substance steam inflow pipe (10), working medium condensate liquid and is communicated with;
Described working substance steam inflow pipe (10) and working medium condensate liquid flow out pipe (12) lower end and are communicated with the airtight chamber of each cooler of cooler package;
Described working substance steam effuser (11) lower end is communicated with the airtight chamber of condenser (5), and described working medium condensate liquid return duct (13) lower end is communicated with the airtight chamber of condenser (5) by immersible pump (7).
3. a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant according to claim 2, it is characterized in that, the hydrops case (6) that also comprises the working medium condensate liquid of collecting condenser (5) condensation, this hydrops case (6) is communicated with the airtight chamber of condenser (5), described working medium condensate liquid return duct (13) lower end is connected in this hydrops case (6), and described immersible pump (7) is also arranged in this hydrops case (6).
4. according to the arbitrary described a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant of claims 1 to 3, it is characterized in that, described cooler package comprises heat pipe evaporator (2) and the bearing cooler package that generator air heat is removed.
5. a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant according to claim 4, it is characterized in that, described heat pipe evaporator (2) is the aerial cooler of hydraulic generator unit autogamy, and described bearing cooler package comprises top guide bearing cooler (1), lower guide bearing cooler (3) and water pilot bearing cooler (4).
6. a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant according to claim 5, it is characterized in that, also comprise interim expansion box (14) and interim liquid reserve tank (15), described aerial cooler, top guide bearing cooler (1), after convergeing in interim expansion box (14), the working substance steam inflow pipe (10) of lower guide bearing cooler (3) and water pilot bearing cooler (4) is connected in gas-liquid separator (8) by a working substance steam inflow pipe (10), described gas-liquid separator (8) flows out pipe (12) by a working medium condensate liquid and is connected with interim liquid reserve tank (15), interim liquid reserve tank (5) again by many working medium condensate liquids flow out manage (12) respectively with aerial cooler, top guide bearing cooler (1), lower guide bearing cooler (3) is connected with water pilot bearing cooler (4).
7. according to the arbitrary described a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant of claims 1 to 3, it is characterized in that, described condenser (5) is arranged in tail water.
8. according to the arbitrary described a kind of energy-conserving and environment-protective phase-change cooling device for Hydropower Plant of claims 1 to 3, it is characterized in that, also comprise liquid feeding case (9), described gas-liquid separator is provided with filling opening on (8), and described liquid feeding case (9) is connected on this filling opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359156.4U CN203911671U (en) | 2014-07-01 | 2014-07-01 | Hydropower station unit energy conservation and environment protection phase change cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359156.4U CN203911671U (en) | 2014-07-01 | 2014-07-01 | Hydropower station unit energy conservation and environment protection phase change cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN203911671U true CN203911671U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420359156.4U Expired - Fee Related CN203911671U (en) | 2014-07-01 | 2014-07-01 | Hydropower station unit energy conservation and environment protection phase change cooling device |
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| CN (1) | CN203911671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705485A (en) * | 2015-11-17 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving phase change cooling equipment |
| CN107465304A (en) * | 2017-08-11 | 2017-12-12 | 江苏南通申通机械有限公司 | A kind of motor Phase cooling system |
-
2014
- 2014-07-01 CN CN201420359156.4U patent/CN203911671U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705485A (en) * | 2015-11-17 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving phase change cooling equipment |
| CN107465304A (en) * | 2017-08-11 | 2017-12-12 | 江苏南通申通机械有限公司 | A kind of motor Phase cooling system |
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