CN106871660A - A kind of temperature difference power cooling tower and cooling means - Google Patents
A kind of temperature difference power cooling tower and cooling means Download PDFInfo
- Publication number
- CN106871660A CN106871660A CN201710152460.XA CN201710152460A CN106871660A CN 106871660 A CN106871660 A CN 106871660A CN 201710152460 A CN201710152460 A CN 201710152460A CN 106871660 A CN106871660 A CN 106871660A
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- Prior art keywords
- air
- cooling tower
- tower body
- heat
- evaporator
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/02—Direct-contact trickle coolers, e.g. cooling towers with counter-current only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/08—Arrangements for recovering heat from exhaust steam
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention discloses a kind of temperature difference power cooling tower and cooling means：Cooled fluid enters evaporator, is once exchanged heat with the liquid organic medium from working medium pump, and liquid organic medium is evaporated to gaseous state, gaseous state organic media enters engine expansion work, air-introduced machine rotation is driven, air is pumped into cooling tower body, be upward through airing equipment；Cooled fluid enters liquid distributor, is sprayed onto solarization and dries in the air device, flows downward, and secondary heat exchange is carried out with air, and heat is discharged into air with air, and cooled fluid is deposited to reservoir, and discharge cooling tower body enters condenser；The gaseous state organic media of engine discharge enters condenser, and three heat exchange are carried out with cooled fluid, and gaseous state organic media is condensed into liquid, through working medium pump adherence pressure, into evaporator, forms heating power conversion cycle.The present invention realizes heat/dynamic conversion using engine, completes power output or implements to generate electricity, then the waste heat of lower temperature is discharged, and more makes full use of fuels and energy machine resource.
Description
Technical field
It is to be related to a kind of temperature difference power cooling tower and cooling means in particular the present invention relates to energy-saving and emission-reduction field.
Background technology
In current all kinds of energy consumptions productions of China, cooling tower as cooling technique main equipment, by the heat of cooled fluid
Amount (waste heat) is discharged into environment, its technology maturation, and using extensive.Cooling tower drives fan using mechanical force, will
The higher temperature fluid of entrance is cooled to lower temperature, so as to the recycling of the fluid.The fan that cooling tower is used is generally electricity
Power drives, and the temperature difference of cooling fluid is general between 10-30 DEG C.A large amount of cooling towers are ceaselessly operated throughout the year, the consumption of its electric energy
It is also apparent from.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided a kind of temperature difference power cooling tower and cooling side
Method, the waste heat amount that organic media absorbs all kinds of forms in all kinds of heat rejection heat exchangers of engine realizes that phase transformation is evaporated, and produces immediately
The gaseous fluid of raw elevated pressures and temperature, using the expansion characteristics of this kind of hot pressured fluids, mechanical energy is realized using engine
Conversion, complete power output or implement to generate electricity, the waste heat of lower temperature is discharged again afterwards, thus can realize more making full use of
Fuels and energy machine resource, while realizing saving effect of fossil energy and environmental protection.
The purpose of the present invention can be achieved through the following technical solutions.
A kind of temperature difference power cooling tower of the invention, including cooling tower body, the cooling tower body interior is from top to bottom
Be disposed with air-introduced machine, liquid distributor, airing equipment and reservoir, the cooling tower bodies top be provided with exhaust outlet and with cloth liquid
The feed tube that device is connected, the cooling tower body lower part side wall is provided with air inlet, and the cooling tower body bottom portion is connected with
Drain pipe, is provided with evaporator on the feed tube, condenser is provided with the drain pipe, and the cooling tower bodies top sets
The engine for driving air-introduced machine is equipped with, the shell-side outlet of the evaporator is connected with the air inlet of engine by pipeline
Logical, the exhaust outlet of the engine is connected with the shell side import of condenser by pipeline, the shell-side outlet of the condenser and
There is working medium pump by pipeline connection between the shell side import of evaporator.
The feed tube is connected with evaporator tube side, and the drain pipe is connected with condenser tube side.
The purpose of the present invention can also be achieved through the following technical solutions.
A kind of cooling means of temperature difference power cooling tower, comprises the following steps：
Step one, cooled fluid is entered into evaporator tube side by feed tube, with evaporator shell side in from work
The liquid organic medium of matter pump is once exchanged heat, and the liquid organic medium after once exchanging heat is evaporated to gaseous state, organic Jie of gaseous state
Matter enters implements expansion work in engine, drive air-introduced machine rotation, and air is pumped into cooling tower body by air inlet, and
Flow up through airing equipment；
Step 2, the liquid distributor that the cooled fluid after once exchanging heat enters in cooling tower body, is uniformly sprayed onto solarization and dries in the air device
In, flow downward under gravity, reverse flow is formed with the air for flowing up, secondary heat exchange is carried out, be cooled fluid
Heat be discharged into air through exhaust outlet with air, the cooled fluid after secondary heat exchange is deposited in reservoir, through going out liquid
Pipe discharge cooling tower body enters condenser tube side；
Step 3, engine discharge gaseous state organic media enter condenser shell side in, with condenser tube side in it is cold
But fluid carries out three heat exchange, and gaseous state organic media is condensed into liquid, after liquid organic medium is through working medium pump adherence pressure, then
Secondary entrance evaporator is exchanged heat, and forms heating power conversion cycle.
Compared with prior art, the beneficial effect that technical scheme is brought is：
(1) replace traditional motor using engine in the present invention, compare with original system, the cooling fluid for reaching
Purpose is identical, but due to make use of the cooled fluid temperature difference of cooling tower body inlet and outlet, absorbs the former row in part
Heat release, carries out partially recycled by the heat that air is discharged in cooled fluid, it is converted to power, generates heat/dynamic conversion,
It is used to drive air-introduced machine to work, completes original workflow effect, save original power consumption, reached energy-conservation has
Beneficial effect；
(2) evaporator, engine, condenser and the working medium pump for being set in the present invention form peripheral passage, realize organic
Medium circulation is utilized, and organic media and cooled fluid are exchanged heat, and reclaims the partial heat of cooled fluid, it is ensured that power
The continuous work of machine.
Brief description of the drawings
Fig. 1 is the hot driving schematic diagram of traditional cooling tower；
Fig. 2 is hot driving schematic diagram of the invention.
Reference:1 feed tube；2 cooling tower bodies；3 liquid distributors；4 airing equipments；5 reservoirs；6 air-introduced machines；7 engines；
8 air inlets；9 exhaust outlets；10 drain pipes；11 evaporators；12 working medium pumps；13 condensers；14 motor.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The hot driving flow chart of traditional cooling tower is as shown in figure 1, cooled fluid enters cooling tower body 2 through feed tube 1
In liquid distributor 3, cooled fluid dispersion is uniformly sprayed onto in airing equipment 4, be deposited to liquid storage after flowing through airing equipment 4 by gravity
In device 5.The air-introduced machine 6 of top layer is arranged in the presence of motor 14, air is pumped into by cooling tower body 2 by air inlet 8,
And airing equipment 4 is flowed up through, reverse flow heat exchange is formed with the cooled fluid for flowing downward, by the heat of cooled fluid
Amount heat exchange is discharged into air in air in the presence of air-introduced machine 6 by exhaust outlet 9, and cooled fluid is by going out liquid
The outflow cooling tower of pipe 10 body 2.The final effect of its flow is that consumption electric power discharges into the atmosphere the heat of cooled fluid.
As shown in Fig. 2 a kind of temperature difference power cooling tower of the invention, including cooling tower body 2, the cooling tower body 2
Inside is from top to bottom disposed with air-introduced machine 6, liquid distributor 3, airing equipment 4 and reservoir 5, and the top of the cooling tower body 2 sets
Exhaust outlet 9 and the feed tube 1 being connected with liquid distributor 3 are equipped with, the lower sides of cooling tower body 2 are provided with air inlet 8, and
Air inlet 8 is located between airing equipment 4 and reservoir 5.The top of the cooling tower body 2 is provided with for driving the dynamic of air-introduced machine 6
Power machine 7, the engine 7 uses expanding machine.The bottom of cooling tower body 2 is connected with drain pipe 10, on the drain pipe 10
Condenser 13 is provided with, the drain pipe 10 is connected with the tube side of condenser 13, and evaporator 11 is provided with the feed tube 1,
The feed tube 1 is connected with the tube side of evaporator 11.The shell-side outlet of the evaporator 11 and the air inlet of engine 7 are by pipe
Road is connected, and the exhaust outlet of the engine 7 is connected with the shell side import of condenser 13 by pipeline, the condenser 13
There is working medium pump 12 by pipeline connection between shell-side outlet and the shell side import of evaporator 11.
Proposition technology of the present invention can produce machine power using cooling tower temperature drop, be substituted using this motive force substitute or part former
Some power, in the case where ensuring that cooling tower temperature drop function is constant, saves the power consumption of itself, is a kind of the cold of in-depth
But tower power-saving technology, its main guiding theory is to make full use of cooling tower to discharge the temperature difference that heat is produced with itself, real
The effect of existing heat/dynamic conversion.If technique effect of the invention can be realized, can be formed new energy-saving cooling tower technology and
Product, the meaning of its energy-saving and emission-reduction is obvious.The heat for discharging air is carried out partially recycled by the present invention, is converted to it dynamic
Power, is used to drive air-introduced machine 6 to work, and completes original workflow effect, saves power consumption.Specific implementation process is such as
Under：
First, be cooled fluid entered into the tube side of evaporator 11 by feed tube 1, with the shell side of evaporator 11 in come from
The high-pressure liquid organic media of working medium pump 12 is once exchanged heat, and high-pressure liquid organic media absorbs the heat of cooled fluid,
Liquid organic medium evaporation after once exchanging heat turns into high pressure gaseous, and high pressure gaseous organic media enters engine 7
Middle implementation expansion work, the function of output is used as the rotary power of air-introduced machine 6, drives air-introduced machine 6 to rotate, in air-introduced machine 6
Effect is lower to be pumped into cooling tower body 2 air by air inlet 8, and flows up through airing equipment 4.Wherein, organic media
As circulating cooling carrier, using transpirable low boiling point working medium.
Then, the liquid distributor 3 that the cooled fluid after once exchanging heat enters in cooling tower body 2, is uniformly dispersed and is sprayed onto solarization
Dry in the air in device 4, flow downward under gravity, reverse flow is formed with the air for flowing up, carry out secondary heat exchange, be cooled
The heat of fluid exchanges heat in air, is discharged into air through exhaust outlet 9 with air in the presence of air-introduced machine 6, secondary heat exchange
During cooled fluid afterwards is by gravitational settling to reservoir 5, managed into condenser 13 through the discharge cooling tower of drain pipe 10 body 2
Cheng Zhong.
Finally, the high-temperature low-pressure gaseous state organic media of the discharge of engine 7 enters in the shell side of condenser 13, is managed with condenser 13
Cooled fluid in journey carries out three heat exchange, and the cooled fluid drainage after heat exchange carries out subsequent handling, and high-temperature low-pressure gas
State organic media is condensed into low-temp low-pressure liquid, and cryogenic high pressure liquid is promoted to through working medium pump 12, is again introduced into evaporator 11
In exchanged heat, formed heating power conversion cycle.
Current nearly all cooling tower is all run using driven by power, while the equal non-recovery of the heat of discharge is utilized.This
Cooling technology has maintained decades without technical breakthrough.The estimated recovery section discharge heat of this project, its heat conversion is 5-
8% or so (being fluctuated with seasonal variations).Assuming that cooling water inflow is in 1000t/h, cooling range discharged at 20 DEG C, then total amount of heat just like
Lower calculating：
1000000*20/860=23256kWh
Assuming that being 5% using heat, remaining expanding machine thermal transition is that power output is (considering by 5%)：
23256*5%*5%=58kW
Because expanding machine and air-introduced machine 6 are direct-drive mode, its mechanical loss can be ignored, equivalent to cooling tower
Instead of 58 kilowatts of motor and use power.
Although it is worth noting that, being described in detail to the preferred embodiments of the present invention above in conjunction with accompanying drawing, sheet
Invention is not limited only to above-mentioned specific embodiment, and above-mentioned implementation method is only schematical, is not limitation
Property, the person skilled of this area receives enlightenment of the invention, is not departing from present inventive concept and claims
In the case of, many forms can also be made, these belong to protection scope of the present invention.
Claims (3)
1. a kind of temperature difference power cooling tower, including cooling tower body (2), inside the cooling tower body (2) from top to bottom successively
It is provided with air-introduced machine (6), liquid distributor (3), airing equipment (4) and reservoir (5), cooling tower body (2) the top row of being provided with
Air port (9) and the feed tube (1) being connected with liquid distributor (3), cooling tower body (2) lower sides are provided with air inlet
(8), cooling tower body (2) bottom is connected with drain pipe (10), it is characterised in that be provided with steaming on the feed tube (1)
Hair device (11), is provided with condenser (13) on the drain pipe (10), cooling tower body (2) top is provided with for driving
The engine (7) of air-introduced machine (6), the shell-side outlet of the evaporator (11) is connected with the air inlet of engine (7) by pipeline
Logical, the exhaust outlet of the engine (7) is connected with the shell side import of condenser (13) by pipeline, the condenser (13)
There is working medium pump (12) by pipeline connection between the shell side import of shell-side outlet and evaporator (11).
2. a kind of temperature difference power cooling tower according to claim 1, it is characterised in that the feed tube (1) and evaporator
(11) tube side is connected, and the drain pipe (10) is connected with condenser (13) tube side.
3. the cooling means of the temperature difference power cooling tower described in a kind of claim 1 and 2, it is characterised in that comprise the following steps：
Step one, cooled fluid is entered into evaporator (11) tube side by feed tube (1), in evaporator (11) shell side
Liquid organic medium from working medium pump (12) is once exchanged heat, and the liquid organic medium after once exchanging heat is evaporated to gaseous state,
Gaseous state organic media enters implements expansion work in engine (7), air-introduced machine (6) rotation is driven, by air inlet (8) by air
It is pumped into cooling tower body (2), and flows up through airing equipment (4)；
Step 2, the liquid distributor (3) that the cooled fluid after once exchanging heat enters in cooling tower body (2), is uniformly sprayed onto solarization and dries in the air
In device (4), flow downward under gravity, reverse flow is formed with the air for flowing up, carry out secondary heat exchange, be cooled
The heat of fluid is discharged into air with air through exhaust outlet (8), and the cooled fluid after secondary heat exchange is deposited to reservoir (5)
In, discharge cooling tower body (2) through drain pipe (10) and enter condenser (13) tube side；
Step 3, the gaseous state organic media of engine (7) discharge enters in condenser (13) shell side, in condenser (13) tube side
Cooled fluid carry out three heat exchange, gaseous state organic media is condensed into liquid, and liquid organic medium is carried through working medium pump (12)
After rising pressure, it is again introduced into evaporator (11) and is exchanged heat, forms heating power conversion cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710152460.XA CN106871660A (en) | 2017-03-15 | 2017-03-15 | A kind of temperature difference power cooling tower and cooling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710152460.XA CN106871660A (en) | 2017-03-15 | 2017-03-15 | A kind of temperature difference power cooling tower and cooling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106871660A true CN106871660A (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710152460.XA Pending CN106871660A (en) | 2017-03-15 | 2017-03-15 | A kind of temperature difference power cooling tower and cooling means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055813A (en) * | 2017-12-28 | 2018-05-18 | 北京百度网讯科技有限公司 | The refrigeration system and refrigerating method of data center |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257343A (en) * | 2008-12-19 | 2011-11-23 | Spx公司 | Cooling tower apparatus and method with waste heat utilization |
| JP2012102626A (en) * | 2010-11-08 | 2012-05-31 | Fuji Electric Co Ltd | Generator system |
| CN105806093A (en) * | 2016-05-12 | 2016-07-27 | 张育仁 | Temperature difference power cooling tower based on screw expander |
| CN206572983U (en) * | 2017-03-15 | 2017-10-20 | 天津博帆科技发展有限公司 | A kind of temperature difference power cooling tower |
-
2017
- 2017-03-15 CN CN201710152460.XA patent/CN106871660A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257343A (en) * | 2008-12-19 | 2011-11-23 | Spx公司 | Cooling tower apparatus and method with waste heat utilization |
| JP2012102626A (en) * | 2010-11-08 | 2012-05-31 | Fuji Electric Co Ltd | Generator system |
| CN105806093A (en) * | 2016-05-12 | 2016-07-27 | 张育仁 | Temperature difference power cooling tower based on screw expander |
| CN206572983U (en) * | 2017-03-15 | 2017-10-20 | 天津博帆科技发展有限公司 | A kind of temperature difference power cooling tower |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055813A (en) * | 2017-12-28 | 2018-05-18 | 北京百度网讯科技有限公司 | The refrigeration system and refrigerating method of data center |
| CN108055813B (en) * | 2017-12-28 | 2020-09-29 | 北京百度网讯科技有限公司 | Refrigerating system and refrigerating method of data center |
| US11266042B2 (en) | 2017-12-28 | 2022-03-01 | Beijing Baidu Netcom Science And Technology Co., Ltd. | Refrigeration system and refrigeration method for data center |
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Application publication date: 20170620 |