CN106500526B - A kind of cooling means and device of fluid - Google Patents

A kind of cooling means and device of fluid Download PDF

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Publication number
CN106500526B
CN106500526B CN201610907784.5A CN201610907784A CN106500526B CN 106500526 B CN106500526 B CN 106500526B CN 201610907784 A CN201610907784 A CN 201610907784A CN 106500526 B CN106500526 B CN 106500526B
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China
Prior art keywords
cooling
water
air
sheet plate
cools down
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CN201610907784.5A
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Chinese (zh)
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CN106500526A (en
Inventor
张书廷
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Tianjin University
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Tianjin University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28BSTEAM OR VAPOUR CONDENSERS
    • F28B5/00Condensers employing a combination of the methods covered by main groups F28B1/00 and F28B3/00; Other condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D3/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
    • F28D3/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D3/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
    • F28D3/04Distributing arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention relates to a kind of cooling means of fluid and devices, and the cooling of the raised cooling water of temperature and/or Condensation are selected by the following type of cooling in industrial manufacture process;It is used according to progress type of cooling switching the case where atmospheric temperature and technical load or selection, the type of cooling includes:(1) air cools down indirectly;(2) the indirect cooling of mechanical compression refrigeration after air cools down indirectly;(3) water that outer wall is contacted with water is carried out while air cools down indirectly to cool down indirectly;(4) the water cooling indirect cooling for carrying out mechanical compression refrigeration later indirectly that outer wall is contacted with water is carried out while air cools down indirectly;(5) water that outer wall is contacted with water is carried out after air cools down indirectly, while air cools down indirectly to cool down indirectly;(6) water that outer wall is contacted with water is carried out after air cools down indirectly, while air cools down indirectly to cool down indirectly, then carries out the indirect cooling of mechanical compression refrigeration.Investment cost of the present invention is few, and power consumption is small, at low cost.

Description

A kind of cooling means and device of fluid
Technical field
The present invention relates to a kind of cooling means of fluid and devices, especially the drop to the recirculated cooling water in industrial process The condensation of mild steam makes up the cooling cooling capacity deficiency in high temperature section of air using mechanical refrigeration and water vapor cooling, makes Integral device substantially reduces, and saves equipment investment and operating cost, and reaches the cooling water-saving industrial circulating cooling water drop of air Temperature recycles the method and apparatus with steam condensation, belongs to the cooling water-saving field of industrial water circulation, industry cooling and air.
Background technique
In industrial processes, there are many processes for needing cooling, as needed cooling in metallurgy and electric power industry Link is more.In general, cooling procedure is mostly using water as medium, in cooling procedure, temperature increase after cooling water need to cool down after It is recycled.The cooling of recirculated cooling water is evaporated frequently with cooling tower to be cooled down, and also has the method cooled down indirectly using closed cycle, Indirect cooling is cooling by water spray outside tank or air.The tower direct cooling of cold water and the indirect cooling of spray cooling are logical It crosses water evaporation heat absorption to realize, it is therefore desirable to consume a large amount of water.It can achieve water-saving purpose with air cooling, but due to sky The heat transfer coefficient of gas is much smaller than the heat transfer coefficient of water evaporation, so, cooling equipment is huge, and it is excessive to will lead to equipment investment.From another On the one hand see that the cooling load of recirculated cooling water is determined by process conditions, it is usually more stable;And air it is cooling by air with The temperature difference of recirculated water realizes that the cooling of recirculated water causes since atmospheric temperature changes very greatly because of season, period and weather conditions Air-cooled cooling capacity fluctuation is very big.So to meet industrial needs, it is necessary to which air-cooled equipment is higher by temperature Atmospheric conditions design, equipment can be very huge, and when atmospheric temperature is low, and equipment cooling capacity wastes very big again.Equally, such as electricity The condensation for the steam tail gas that factory, industry heating use such as uses air cooling, and feature is also identical as the cooling of recirculated cooling water, The problem of changing there is the cooling capacity such as before narrated with atmospheric temperature and changing, causes equipment huge.Therefore, one kind is developed Based on air cooling, the insufficient defect of cooling capacity is supplied by other means in the atmospheric temperature high period, accomplishes entirety Equipment investment is low, and it is very important for the low technology and equipment of overall cost.
Summary of the invention
The purpose of the present invention is to provide one kind, and equipment investment can be greatly reduced, and realizes that recirculated cooling water cooling and steam are cold The inexpensive air cooling method and device of solidifying (cooling for being commonly referred to as fluid), by the innovation of refrigerating mode and equipment realize with The aqueous medium peak clipping combined running of electric Dai Shui, node emergency reach high efficient utilization of water resources, adapt to the sealing and circulating of multiple-quality water It is cooling, an economically viable technological means and device guarantee are provided for Industrial Water Saving.This technology has water-saving result significant, throws Rate are few, and operation power consumption is small, the low feature of overall cost.
The present invention adopts the following technical scheme that realization:
A kind of cooling means of fluid, it is characterized in that in industrial manufacture process engineering the raised cooling water of temperature cooling And/or Condensation is selected by the following type of cooling;It is cut according to the type of cooling is carried out the case where atmospheric temperature and technical load It changes or selects to use, the type of cooling includes:(1) air cooling (air-cooled) indirectly, machinery pressure after (2) air cools down indirectly Contraction cold indirect cooling (air-cooled-machine is cold), carries out the water that outer wall is contacted with water and cools down indirectly while (3) air cools down indirectly (air water cooling), the water that outer wall is contacted with water is carried out while (4) air cools down indirectly, and cooling carries out machinery pressure contraction later indirectly Cold indirect cooling (air water cooling-machine is cold), after (5) air cools down indirectly, carries out outer wall and water while air cools down indirectly Indirectly cooling (air-cooled-air water cooling), after (6) air cools down indirectly, air carries out outer wall while cooling down indirectly to the water of contact The water contacted with water cools down indirectly, then carries out indirect cooling (air-cooled-air water cooling-machine is cold) of mechanical compression refrigeration.
The cooling means of the fluid is outside being that air carries out while cooling (air-cooled) and air cool down indirectly indirectly The switching that the water that wall is contacted with water cools down the type of cooling of (air water cooling) indirectly is in same set of equipment, by described indirectly cold But water application with do not apply realization.
The device for realizing the cooling means of the fluid is to realize that outer wall is carried out while air cools down indirectly to be contacted with water The device that cools down indirectly of water at least by partially constituting as follows:The cooling water of cooling industrial circulating cooling water needed for internal circulation Pipe or internal circulation steam steam pipe, connect with the outside of the cooling water pipe or steam pipe sheet plate, in the sheet The soakaway trench arranged on plate.
Realize the cooling means of the fluid device be described device at least by be able to carry out air cooling (air-cooled) with It is able to carry out air simultaneously and cools down sheet plate cooling body, the mechanical compression refrigeration system structure for cooling down (air water cooling) indirectly with water At;It carries out air cooled industrial circulating cooling water entrance to be connected with the cooling water outlet of the cooling facility of industrial cycle, carry out Air cooled industrial circulating cooling water outlet is connected with the industrial circulating cooling water entrance of mechanical compression refrigeration system, mechanical The industrial circulating cooling water outlet of compression refrigerating system is connected with the cooling water inlet of the cooling facility of industrial cycle.
The cooling means of the fluid is that the indirect cooling of the mechanical compression refrigeration is to freeze to obtain using night electricity Cold water simultaneously stores, and carries out the cooling of industrial circulating cooling water using stored cold water between daytime or steam condenses.
The device for realizing fluid cooling means is the sheet plate of the outside connection of the cooling water pipe and the angle of horizontal plane Less than 90 °;On sheet plate top, the soakaway trench water out of setting is in contact with sheet plate;In the sheet along fluid hose axial direction The small sheet plate of breadth is arranged in plate at regular intervals, soakaway trench is arranged on the strip plate, or along fluid hose axial direction The sheet plate of different plate spacings is arranged in upper sheet plate at regular intervals, and soakaway trench is arranged on the sheet plate of the wide plate spacing, or On the sheet plate top of spaced set, soakaway trench is set, the water flow oozed out from soakaway trench flows from the top to the bottom on sheet plate, Air is vertical with water (flow) direction or passes through space between sheet plate at a certain angle, or the sheet of the spaced set in wide spacing Soakaway trench is arranged in plate top, and the water flow oozed out from soakaway trench flows from the top to the bottom on sheet plate, and air passes from below through sheet The air cooling unit of the sheet plate top setting soakaway trench in space or spaced set between plate soakaway trench when seeping water cooling In the top of sheet plate, when cooling with air merely, cooling unit is rotated by 90 ° using cooling fluid pipe axis as the center of circle, air from Under be upward through space between sheet plate.
The cooling means of the fluid is to be provided with to seep water outward at the air intlet of the sheet plate of aerial cooler Seep water mechanism, and air contacts after the infiltration mechanism with one group of recirculated cooling water heat exchange unit or vapor condensation heat-exchange unit After be discharged, from one group of recirculated cooling water heat exchange unit or vapor condensation heat-exchange unit contact after enter next group of recirculated cooling water Heat exchange unit or the heat exchange of vapor condensation heat-exchange unit.
The cooling means of the fluid is to carry out the water that outer wall is contacted with water while air cools down indirectly to cool down indirectly It in the process, is the amount of water seepage to be adjusted by the pressure of water in soakaway trench, or pass through switch to the water that fluid pipe outer wall applies Different leakage pipeline adjusts the total amount realization of exudation water.
The cooling means of the fluid be aerial cooler air inlet side water to enter air cooler air spray Mist, the air containing water mist drop are discharged after contacting with one group of recirculated cooling water heat exchange unit or vapor condensation heat-exchange unit, or from One group of recirculated cooling water heat exchange unit or vapor condensation heat-exchange unit contact after enter next group of recirculated cooling water heat exchange unit or The heat exchange of vapor condensation heat-exchange unit.
The cooling means of the fluid is the different sheet plate spacings of connecting on the flow line of recirculated cooling water or steam Cooling unit, the upstream of recirculated water or steam flow line, sheet plate spacing is arranged in the small cooling unit of sheet plate spacing The downstream of flow line is arranged in big cooling unit;In the big cooling unit setting infiltration mechanism of sheet plate spacing, in sheet The air inlet side of the small cooling unit of plate spacing is arranged or is not provided with water spray mechanism.
It is described as follows:
The fluid cooling procedure for being cooled down as refrigerant to recirculated cooling water using the very big atmosphere of temperature change or condensing steam In, it is only cooling with air when temperature is low;But temperature is bigger in gap round the clock, in the noon temperature higher period, uses machine The cold water of tool compression refrigeration is assisted in the end of fluid, ensures that fluid after cooling can satisfy technique and require, and cost But increase seldom;Megathermal period in full summer only ensures that the cooling temperature of fluid will make mechanical refrigeration equipment with mechanical compression refrigeration What is become is huge, and cooling cost also will increase more, in this case, on air cooler suitably plus water, forms evaporative cooling It is cooling parallel with air, the cooling capacity of cooler can be greatly improved, with small air-cooled and mechanical compression refrigeration equipment and cost, Realize that low cost is cooling;In atmospheric temperature variation between round the clock and summer High Temperature, it is not suitable for mechanical compression refrigeration, is directly existed Suitably add water on air cooler, forms evaporative cooling and air is cooling parallel, greatly improve the cooling capacity of air cooler, guarantee work Industry is cooling to be required.It is big in day and night temperature, the low area of air humidity, after air cools down indirectly, while air cools down indirectly Carrying out the water that outer wall is contacted with water can accomplish that seldom equipment investment reaches cooling and can do indirectly cooling (air-cooled-air water cooling) To water conservation;In the case that temperature is higher round the clock in full summer, after air cools down indirectly, while air cools down indirectly into The water that row outer wall is contacted with water cools down indirectly, then carrying out indirect cooling (air-cooled-air water cooling-machine is cold) of mechanical compression refrigeration can Ensure the requirement of industry cooling.These types of operational mode switches over operation with atmospheric temperature variation, so that lesser equipment is thrown Money meets industry cooling requirement, and achievees the purpose that water-saving.
Air carries out the water that outer wall is contacted with water while cooling (air-cooled) and air cool down indirectly indirectly and cools down indirectly The switching of the type of cooling of (air water cooling) is carried out in same set of equipment, by the application of indirect cooling water and does not apply reality It is existing, reach a set of equipment and simply adjust cooling capacity, adapts to the cooling requirement under different atmospheric temperatures, thrown with few equipment Money meets the cooling of industrial fluids.
It realizes and carries out the dress that the water that outer wall is contacted with water cools down indirectly while air cools down indirectly and air cools down indirectly It sets at least by partially constituting as follows:The cooling water pipe of cooling industrial circulating cooling water or internal circulation needed for internal circulation need The steam pipe of the steam of condensation, the sheet plate being connect with the outside of the cooling water pipe or steam pipe, the cloth on the sheet plate The soakaway trench set.Be able to carry out air cooling (air-cooled) be able to carry out that air is cooling simultaneously and water indirectly cooling (air water cooling) Sheet plate cooling body cooperates with the soakaway trench being arranged thereon and achievees the purpose that greatly improve cooling capacity with a small amount of water.
The indirect cooling of mechanical compression refrigeration is mainly freezed to obtain cold water and be stored using night electricity, uses and is stored up between daytime The cold water deposited carries out the cooling or steam condensation of industrial circulating cooling water, and being reached using the low-price electricity at night reduces operating cost Purpose.The variation of the variation bring cooling capacity of atmospheric temperature can also be only adjusted with the cooler of air water cooling.
The sheet plate of the outside connection of cooling water pipe and the angle of horizontal plane are less than 90 °, the infiltration being arranged above sheet plate Water pipe soakaway trench water out is in contact with sheet plate enables to the water of exudation slowly to flow downwards along sheet plate, is evenly distributed On sheet plate, to sheet plate absorbing and cooling temperature and it is transmitted to fluid hose by vaporization and reaches cooling for fluid.Along fluid The small sheet plate of breadth is arranged in sheet plate at regular intervals on pipe axial direction, is arranged soakaway trench on the strip plate, or The sheet plate of different plate spacings is arranged in sheet plate at regular intervals along fluid hose axial direction, in the sheet plate of the wide plate spacing Upper setting soakaway trench, or soakaway trench is set above the sheet plate of spaced set, water flow flows from the top to the bottom, air and water flow Direction is vertical or passes through the sky that soakaway trench is arranged in the sheet plate top in space or spaced set between sheet plate at a certain angle Soakaway trench is in the top of sheet plate when seeping water cooling for air cooling unit, and when cooling with air merely, cooling unit is with cooling Fluid hose axis is rotated by 90 ° for the center of circle, and air passes through the space between sheet plate from bottom to top.Due to guarantee air-cooled ability, lead to Often sheet plate arrangement is very close, i.e., the spacing very little between sheet plate brings difficulty to the arrangement of soakaway trench, passes through the measure Not only it can guarantee the density of sheet plate but also can more easily arrange soakaway trench.Spaced small wide cut infiltration as shown in Figure 1 Sheet plate cooler is provided with standard breadth sheet plate 3 and the small short slab sheet plate 4 of breadth, in short slab sheet on fluid hose 1 Soakaway trench 5 is provided on plate, the angle β of sheet plate and horizontal plane is usually advisable at 25-60 ° less than 90 °, and air 6 passes through cooling Device;Usually short slab is shorter on top, and the height after installing soakaway trench is in industrial fluids pipe outer wall to standard pellet plate top Between the 60%-100% of edge length.Different spacing infiltration sheet plate cooler as shown in Figure 2, sets respectively on fluid hose Equidistant sheet plate 7 and wide spacing sheet plate 8 have been set, (the spacing b of soakaway trench 5 is set on wide spacing sheet plate>A usually takes b For 1.5a~2.5a).Equidistant infiltration sheet plate side air flow cooler shown in Fig. 3 is provided with seeps at an upper portion thereof The equidistant sheet plate 9 of water pipe 5 is uniformly distributed on fluid hose 1, and air 6 flows through sheet plate and fluid hose from side.Fig. 4 table The rotary cooler construction in equidistant infiltration sheet plate fluid hose axle center is shown, Fig. 4-1 is the soakaway trench and air stream before rotation Logical direction (implementing infiltration), 4-2 are postrotational soakaway trench and air circulation direction (stopping infiltration).In the equidistant of wide spacing Soakaway trench is arranged in the sheet plate top of setting, and the water flow oozed out from soakaway trench flows from the top to the bottom on sheet plate, and air is under Across the structure arrangement of sheet plate spacing, (it is standard that sheet plate spacing shared by soakaway trench, which is no more than 20%, after installation soakaway trench for side Design plate spacing) the simple manufacture for being more advantageous to equipment, but air stream is out-of-date can slightly increase resistance and disturbance.It is described several Structure can select the configuration mode of sheet plate and soakaway trench according to the temperature of cooling water hot water, region weather conditions.Such as It is big for day and night temperature, the setting of width interval or short slab setting of noon temperature high period very short regional choice soakaway trench Mode is more economical, is more conducive to make using short slab sheet plate in the case that soakaway trench is thin;Region lesser for day and night temperature The cooling effect of the sheet plate mode and fluid hose rotation mode that select wide spacing can be more prominent, and air requirement is small, or industry stream Equipment can be made simpler using the structure of wide spacing sheet plate in the case that body heat coolant-temperature gage is high.
The water oozed out from soakaway trench is adjusted by the pressure in soakaway trench, or by switch different leakage pipeline, is adjusted Ooze out the total amount of water.Both adjusting methods can adjust exudation water according to atmospheric temperature, reach water-saving and ensure cold But purpose.
In Practical Project, sheet plate top setting soakaway trench it is more many and diverse, can simply the air of air cooler into The infiltration mechanism to seep water outward is provided at mouthful, air is by infiltration mechanism water suction cooling, with low temperature humid air and sheet plate Heat exchange, or aerial cooler air inlet side water to enter air cooler air-atomizing, containing water mist drop air inhale Water cooling, is exchanged heat with low temperature humid air and sheet plate.Humid air after water suction can contact heel row with one group of fluid heat transfer unit Out, it can also pass through next fluid heat transfer unit secondary heat exchange.
, can be on the flow line of recirculated cooling water or steam in Practical Project, the cold of different sheet plate spacings of connecting But unit, the small cooling unit of sheet plate spacing are arranged in the upstream of recirculated water or steam flow line, and sheet plate spacing is big The downstream of flow line is arranged in cooling unit;In the big cooling unit setting infiltration mechanism of sheet plate spacing, in spacing of fin The air inlet side of small cooling unit is arranged or is not provided with water spray mechanism.In this way, can by start and shut down infiltration or The spraying cooling capacity partially to adjust air cooler.
Infiltration of the present invention refers to that water contacts not instead of in a manner of ejection with sheet plate, and the water flowed out from water pipe exists It is just contacted with sheet plate before being disengaged with raw water tubes, i.e., the water flowed out from water pipe contacts preceding without departing from solid with sheet plate Body supporter and by air dielectric space reach sheet plate, namely from water pipe flow out water reach sheet plate do not rely on ejection The kinetic energy of water fall on sheet plate, but contacted by adsorption capacity of the sheet plate to water, and by sheet plate adsorption capacity It is slowly moved down under effect, there is no water droplet to ooze sheet plate as control target in the lower edges of sheet plate.It can make water in this way Evaporation absorb heat as much as possible from sheet plate, improve the cooling effect of industrial fluids, and avoid it is spraying caused by sleep pin band Loss.
In Practical Project, the inclination angle of the size of sheet plate, plate spacing and plate can carry out excellent according to heat transfer and mass transfer knowledge Change.
The beneficial effects of the invention are as follows the switching by refrigerating mode, accomplish based on air cooling, the atmosphere high temperature period The aqueous medium peak clipping of node emergency, end mechanical compression refrigeration combined running, which reach, is greatly reduced equipment investment and water resource is efficient It utilizes, accomplishes smoothly adjust cooling capacity using a set of equipment by the infiltration and water spray means of air-cooled unit, be Industrial Water Saving provides inexpensive air cooling method and device, provides an economically viable technological means and guarantor for Industrial Water Saving Barrier.This technology has water-saving result significant, and investment cost is few, and operation power consumption is small, the low feature of overall cost.
Detailed description of the invention
Fig. 1:It is spaced short slab infiltration sheet plate cooler construction schematic diagram;
Fig. 2:Different spacing infiltration sheet plate cooler construction schematic diagrames;
Fig. 3:Equidistant infiltration sheet plate side air flow cooler structural schematic diagram;
Fig. 4:The equidistant infiltration rotary cooler construction schematic diagram in sheet plate fluid hose axle center;
(Fig. 4-1 is the soakaway trench and air circulation direction (implementing infiltration) schematic diagram before rotation, and 4-2 is postrotational infiltration Water pipe and air circulation direction (stopping infiltration) schematic diagram
Fig. 5:Air cooling-infiltration cooling-mechanical compression refrigeration series model schematic diagram;
Fig. 6:The cooling operation switch mode schematic diagram of same facilities air cooling-infiltration;
Fig. 7:Air cooling-mechanical compression refrigeration series model schematic diagram;
Fig. 8:The cooling operation switching-mechanical compression refrigeration series model schematic diagram of same facilities air cooling-infiltration;
Wherein:1- industrial fluids pipe, 2- industrial fluids hot fluid, 3- standard breadth sheet plate, the small short slab piece of 4- breadth Shape plate, 5- soakaway trench, 6- air-flow direction, the equidistant sheet plate of 7-, 8- wide spacing sheet plate, 9- be provided with soakaway trench etc. Spacing sheet plate, 10- air cooling unit, the cooling GU Generic Unit of 11- air cooling-infiltration, 12- industrial fluids cold fluid, 13- Mechanical compression refrigeration unit, 14- seep water cooling water, equidistant, the wide spacing of b- sheet plate of a- sheet plate, β-sheet plate with The angle of horizontal plane.
Specific embodiment
Embodiment 1
The present embodiment is the cooling profiles of metallurgy industry recirculated cooling water, as shown in Figure 5.This cooling system includes air Cooling unit, the cooling GU Generic Unit of air cooling-infiltration and mechanical compression refrigeration unit, the cooling general purpose single of air cooling-infiltration Member is arranged in series between air cooling unit and mechanical compression refrigeration unit, while being also provided with not through infiltration cooling unit Industrial fluids by-pass line;Same mechanical compression refrigeration unit is also provided with industrial fluids by-pass line.In industry cooling mistake Cheng Zhong, the recirculated cooling water hot water 2 (this industrial fluids hot fluid) that temperature is increased to 40 DEG C enter air cooling unit 10 In, atmospheric temperature low season and temperature low night and morning hours only just drop to 30 DEG C by air is cooling, recycle cold But without the cooling GU Generic Unit of air cooling-infiltration, but by bypass circulation, mechanical compression refrigeration unit does not work water, The circulation passage for being only used as recirculated cooling water flows through, and can not also enter mechanical compression refrigeration unit but be circulated by bypass, most It is cold that industrial chiller (not indicating in figure) circulation is returned as recirculated cooling water cold water 12 (this industrial fluids cold fluid) afterwards But industrial media.But in such as 12 points to 17 points of the period of temperature higher period, recirculated cooling water passes through again by air cooling Air cooling-the infiltration for not starting infiltration cools down after GU Generic Unit is cooled to 30 DEG C through mechanical compression refrigeration unit (not freezing) Or the bypass of its mechanical compression refrigeration unit returns to industrial chiller and (does not indicate) circulating cooling industrial media in figure.Such as big temperature Spend relatively high, in such as 12 points to 17 points of period temperature higher period, recirculated cooling water is cooling again by not opening by air After the infiltration cooling unit of dynamic infiltration is cooled to 33-32 DEG C, then by mechanical compression refrigeration unit 13, further cool to 30 DEG C Industrial chiller is returned afterwards (does not indicate) circulating cooling industrial media in figure.Mechanical compression refrigeration system produces cold water storage at night It deposits, the mechanical refrigeration period is being needed so that recirculated cooling water is cooled down in heat exchanger using the cold water of storage, mechanical compressor stops Operation.
In summer temperature high season, the recirculated cooling water hot water 2 that temperature is increased to 40 DEG C enters air cooling unit 10 In air cooling-infiltration cooling GU Generic Unit 11 (impermeable), temperature low evening and morning hours, only by the cold of air But industrial chiller (figure is returned after just dropping to 33 DEG C, then by mechanical compression refrigeration heat exchanger 13, after further cooling to 30 DEG C In do not indicate) circulating cooling industrial media.In the small north of air humidity, in summer temperature high season, when temperature is higher The period that such as 11 points to 18 points of section, recirculated cooling water cold water 2 is after air cooling unit 10 is cooled to 36 DEG C, then passes through air The cooling GU Generic Unit 11 of cooling-infiltration cooling (infiltration cooling) is to after 30 DEG C, then passes through the bypass of mechanical compression refrigeration heat exchanger, It returns to industrial chiller and (does not indicate) circulating cooling industrial media in figure.
High, the humidity biggish season in summer temperature, such as 11 points to 18 points of period of temperature higher period, circulating cooling Water cooling water 2 is cooled to after air cooling unit 10 is cooled to 38 DEG C, then through the cooling GU Generic Unit 11 of air cooling-infiltration Industrial chiller is returned to after 32 DEG C, then by mechanical compression refrigeration heat exchanger 13, after further cooling to 30 DEG C (not mark in figure Show) circulating cooling industrial media.Cooling tube seep water using shown in Fig. 1, is spaced the infiltration heat exchanger of short slab structure.
It is converted by this mode, it can be while ensureing industry cooling, only to lean on air cooled air cooler The purpose with complete water cooling water-saving 60% is realized in 30% equipment investment.
The cooling of cooler terminal tandem mechanical compression refrigeration unit is big for day and night temperature, noon temperature high time The very short more season application effect in region and rainy day of section can be more prominent.
Embodiment 2
The present embodiment is the cooling profiles of metallurgy industry recirculated cooling water, as shown in Figure 6.During industry cooling, temperature The recirculated cooling water hot water 2 that degree is increased to 46 DEG C enters in the cooling GU Generic Unit 11 of air cooling-infiltration, atmospheric temperature low season The evening and morning hours low with temperature are saved, only 35 DEG C is just dropped to by air cooling, is returned as recirculated cooling water cold water 12 Industrial chiller (does not indicate) circulating cooling industrial media in figure.But in such as 12 points to 17 points of period temperature higher period, Infiltration cooling water 14 is opened, recirculated cooling water is cooling by the coupling of air and infiltration vaporization, returns to work after cooling to 35 DEG C Industry cooler (does not indicate) circulating cooling industrial media in figure.Cooling air seep water after through one group of infiltration unit, then leads to Cross another infiltration cooling unit or air cooling unit.
In summer temperature high season, water percolating capacity flows into the pressure increase water percolating capacity of the water in soakaway trench by increasing, mentions High cooling capacity.
The cooling tube that seeps water uses shown in Fig. 2, the infiltration heat exchanger of the hardened structure of different interval sheet.
It is converted by this mode, it can be while ensureing industry cooling, only to lean on air cooled air cooler 25% equipment investment is realized and cooling water-saving 50% the above object of complete water.
Big for day and night temperature, the low region of air humidity uses the method for operation significant effect, and equipment cost is low.
Embodiment 3
The present embodiment is the cooling profiles of metallurgy industry recirculated cooling water, as shown in Figure 7.During industry cooling, temperature The recirculated cooling water hot water 2 that degree is increased to 40 DEG C enters in air cooling unit 10, and atmospheric temperature low season and temperature are low Evening and morning hours only just drop to 28 DEG C by air cooling, return to industrial chiller as recirculated cooling water cold water 12 and (scheme In do not indicate) circulating cooling industrial media.But in such as 12 points to 17 points of the period of temperature higher period, recirculated cooling water passes through After air is cooled to 33-32 DEG C, then by mechanical compression refrigeration heat exchanger 13, industry cooling is returned after further cooling to 28 DEG C Device (does not indicate) circulating cooling industrial media in figure.
It is converted by this mode, it can be while ensureing industry cooling, only to lean on air cooled air cooler The purpose with complete water cooling water-saving 60% is realized in 40% equipment investment.
Embodiment 4
The present embodiment is the cooling profiles of metallurgy industry recirculated cooling water, as shown in Figure 8.During industry cooling, temperature The recirculated cooling water hot water 2 that degree is increased to 40 DEG C enters in the cooling GU Generic Unit 11 of air cooling-infiltration, atmospheric temperature low season Evening and morning hours low with temperature is saved, only just drops to 30 DEG C by air cooling (closing infiltration cooling water), as following Ring cooling water cold water 12 returns to industrial chiller and (does not indicate) circulating cooling industrial media in figure.But the temperature higher period such as 12 points to 17 points of period imports infiltration cooling water 14, opens infiltration cooling, recirculated cooling water is by air and infiltration vaporization Coupling it is cooling, industrial chiller (not indicating in figure) is returned to by the mechanical compression refrigeration unit not freezed after cooling to 30 DEG C Circulating cooling industrial media.
In summer temperature high season, especially rainy day, infiltration cooling water 14 is closed, without using infiltration cooling, but After recirculated cooling water hot water is cooled to 33 DEG C by the way that air is cooling, then after being cooled to 30 DEG C by mechanical compression refrigeration unit 13 It returns to industrial chiller and (does not indicate) circulating cooling industrial media in figure.Mechanical compression refrigeration is not only cold in night operation storage Water is also run in the daytime, guarantees the needs of industry cooling.
The cooling air that seeps water is discharged after through one group of infiltration unit.In the cooling GU Generic Unit of air cooling-infiltration Soakaway trench Discrete control, in the case where atmospheric temperature height, all soakaway trench are switched on infiltration;In the not very high feelings of atmospheric temperature The infiltration of condition lower unlatching part soakaway trench, control rise water inventory, carry out part infiltration cooling.
Cooling tube seep water using shown in Fig. 3, the equidistant hardened structure of sheet, side enters the infiltration heat exchanger of air.
Embodiment 5
The present embodiment is the scheme that the steam of the exhaust steam in steam turbine of generating set directly condenses.Cooler is exchanged heat single by multistage Member composition, a plurality of heat exchange units compose in parallel heat exchange unit group, connect between heat exchange unit group, and cooler can be cold for air But-seeping water cools down GU Generic Unit, it can also be air cooling unit group with air cooling-infiltration and cool down connecting for GU Generic Unit.Winter The atmospheric temperatures such as season low season, the steam exhaust (steam that the industrial fluids hot fluid in this is steam exhaust) that temperature is 48 DEG C enter Cooler, by condensing with the air heat-exchange steam outside tube wall, condensed water returns to power generation and water supply system.In summer high-temperature season, Exhaust steam in steam turbine enters the upstream units group of heat exchange unit, remaining after carrying out a part of steam condensation of indirect heat exchange with air Steam enters the downstream units group of heat exchange unit, exchanges heat in downstream units group and air and infiltration, and after being condensed, condensed water is returned Water system.
Cooler has been connected the cooling units of different sheet plate spacings, and the small cooling unit of sheet plate spacing is arranged in steam The downstream of flow line is arranged in the upstream of flow line, the big cooling unit of sheet plate spacing;In big cold of sheet plate spacing But unit setting infiltration mechanism is provided with water spray mechanism in the air inlet side of the small cooling unit of sheet plate spacing, in gas The humidifier, which is opened, in the very high situation of temperature strengthens cooling.
The cooling tube that seeps water uses shown in Fig. 4, the infiltration heat exchanger of the hardened structure of the sheet that soakaway trench direction rotates.
Embodiment 6
The present embodiment is substantially the same manner as Example 4, except that the water used in the reinforcing of the cooling capacity of high temperature season Evaporation enables air cooling-down in the air intlet section atomized water spray of air cooler not instead of by infiltration to improve the cooling of air Power.Though the method cooling effect is not as good as infiltration cooling, device structure is simple, has in the small region of short time high temperature and air humidity There are good effect and low-cost advantage.
Embodiment 7
The present embodiment is substantially the same manner as Example 6, except that the water used in the reinforcing of the cooling capacity of high temperature season Evaporation, not instead of by the way that the infiltration on sheet plate top is arranged in, in the infiltration of the infiltration pipe surface of sheet plate air inlet side, Make air cooling-down to improve the cooling capacity of air.Though the method cooling effect is not as good as infiltration cooling, device structure is simple, Short time high temperature and the small region of air humidity have good effect and low-cost advantage.

Claims (9)

1. a kind of cooling device of fluid, it is characterized in that in industrial product process procedure the raised cooling water of temperature cooling And/or Condensation is selected by the following type of cooling;It is cut according to the type of cooling is carried out the case where atmospheric temperature and technical load It changes or selects to use, the type of cooling includes:
(1) air cools down indirectly;
(2) the indirect cooling of mechanical compression refrigeration after air cools down indirectly;
(3) water that outer wall is contacted with water is carried out while air cools down indirectly to cool down indirectly;
(4) water that progress outer wall is contacted with water while air cools down indirectly is indirectly between the cooling mechanical compression refrigeration of progress later Connect cooling;
(5) water that outer wall is contacted with water is carried out after air cools down indirectly, while air cools down indirectly to cool down indirectly;
(6) water that outer wall is contacted with water is carried out after air cools down indirectly, while air cools down indirectly to cool down indirectly, then is carried out The indirect cooling of mechanical compression refrigeration;
The device that the water that progress outer wall is contacted with water while realization air cools down indirectly cools down indirectly is at least by following part structure At:The steam pipe of the cooling water pipe of cooling industrial circulating cooling water or internal circulation steam needed for internal circulation, with it is described cold But the sheet plate of the outside of water pipe or steam pipe connection, the soakaway trench arranged on the sheet plate.
2. the cooling means of the fluid of application claim 1 described device, it is characterized in that air cools down indirectly and air is indirectly cold But it is in same set of equipment, by described that the switching for the type of cooling that the water that outer wall is contacted with water cools down indirectly is carried out while Indirect cooling water application with do not apply realization.
3. device as described in claim 1, it is characterised in that described device is at least by being able to carry out air cooling and simultaneously can Carry out the cooling sheet plate cooling body cooled down indirectly with water of air, mechanical compression refrigeration system is constituted;It carries out air cooled Industrial circulating cooling water entrance is connected with the cooling water outlet of the cooling facility of industrial cycle, carries out air cooled industrial cycle Cooling water outlet is connected with the industrial circulating cooling water entrance of mechanical compression refrigeration system, the industry of mechanical compression refrigeration system Circulating cooling water out is connected with the cooling water inlet of the cooling facility of industrial cycle.
4. application claim 1 described device fluid cooling means, it is characterised in that the mechanical compression refrigeration it is indirect Cooling is to freeze to obtain cold water using night electricity and store, and carries out industrial circulating cooling water using stored cold water between daytime Cooling or steam condensation.
5. device as described in claim 1, it is characterized in that sheet plate that the outside of the cooling fluid pipe connects and horizontal plane Angle is less than 90 °;On sheet plate top, the soakaway trench water out of setting is in contact with sheet plate;Along fluid hose axial direction The small sheet plate of breadth is arranged in sheet plate at regular intervals, soakaway trench is arranged on the small sheet plate of the breadth, or along fluid The sheet plate of different plate spacings is arranged in sheet plate at regular intervals on pipe axial direction, sets on the sheet plate of wherein wide plate spacing Set soakaway trench, or soakaway trench be set on the sheet plate top of spaced set, the water flow oozed out from soakaway trench on sheet plate from On flow downward, air it is vertical with water (flow) direction or at a certain angle pass through sheet plate between space, or wide spacing etc. between Soakaway trench is arranged in sheet plate top away from setting, and the water flow oozed out from soakaway trench flows from the top to the bottom on sheet plate, air from The air cooling unit that lower section passes through the sheet plate top setting soakaway trench in space or spaced set between sheet plate is seeping water Soakaway trench is in the top of sheet plate when cooling, and when cooling with air merely, cooling unit is revolved by the center of circle of cooling fluid pipe axis Turn 90 °, air passes through the space between sheet plate from bottom to top.
6. the cooling means of the fluid of application claim 1 described device, it is characterized in that the sky of the sheet plate in aerial cooler Gas entrance is provided with the infiltration mechanism to seep water outward, and air is single with one group of recirculated cooling water heat exchange after the infiltration mechanism It is discharged after member or the contact of vapor condensation heat-exchange unit, or is connect from one group of recirculated cooling water heat exchange unit or vapor condensation heat-exchange unit Enter next group of recirculated cooling water heat exchange unit after touch or vapor condensation heat-exchange unit exchanges heat.
7. the cooling means of the fluid of application claim 1 described device, it is characterized in that being carried out while air cools down indirectly In the indirect cooling procedure of the water that outer wall is contacted with water, the water applied to fluid pipe outer wall is the pressure tune by water in soakaway trench The amount of water seepage is saved, or realized by switch different leakage pipeline, the total amount of adjusting exudation water.
8. the cooling means of the fluid of application claim 1 described device, it is characterized in that in the air inlet side of aerial cooler With water to the air-atomizing for entering air cooler, air and one group of recirculated cooling water heat exchange unit or steam containing water mist drop are condensed It is discharged after heat exchange unit contact, or into next after one group of recirculated cooling water heat exchange unit or the contact of vapor condensation heat-exchange unit Group recirculated cooling water heat exchange unit or the heat exchange of vapor condensation heat-exchange unit.
9. the cooling means of the fluid of application claim 1 described device, it is characterized in that in the circulation of recirculated cooling water or steam On pipeline, the cooling unit for different sheet plate spacings of connecting, the small cooling unit of sheet plate spacing is arranged in recirculated water or steam The downstream of flow line is arranged in the upstream of flow line, the big cooling unit of sheet plate spacing;In big cold of sheet plate spacing But unit setting infiltration mechanism is arranged or is not provided with water spray machine in the air inlet side of the small cooling unit of sheet plate spacing Structure.
CN201610907784.5A 2016-10-18 2016-10-18 A kind of cooling means and device of fluid Expired - Fee Related CN106500526B (en)

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CN1428585A (en) * 2001-12-25 2003-07-09 郝志刚 Cooling tower, its production method and application
CN201293563Y (en) * 2008-09-24 2009-08-19 天津市碧林环科技术开发有限公司 Composite cooling tower
CN102435033B (en) * 2011-12-01 2014-05-14 国家电网公司 Closed type circulation water cooling device and method thereof
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