CN101162101B - Countercurrent composite indirect evaporation refrigerating air processor - Google Patents

Countercurrent composite indirect evaporation refrigerating air processor Download PDF

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Publication number
CN101162101B
CN101162101B CN2006101319490A CN200610131949A CN101162101B CN 101162101 B CN101162101 B CN 101162101B CN 2006101319490 A CN2006101319490 A CN 2006101319490A CN 200610131949 A CN200610131949 A CN 200610131949A CN 101162101 B CN101162101 B CN 101162101B
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air
heat exchanger
channel
countercurrent
outlet
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CN2006101319490A
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CN101162101A (en
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于向阳
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于向阳
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Abstract

The invention discloses an adverse current combination indirect evaporative cooling air processor, comprising a shell provided with an air inlet and an air outlet, wherein the shell is provided inside with a fan, a water spraying system, a heat exchanger and a water tank; separators are respectively arranged between corrugated plates and water breaking supporters which are evenly distributed and spaced inside the heat exchanger, forming a dry channel and a wet channel which are spaced and parallel; an air outlet of the heat exchanger is provided by a position regulating device with a separator which divides an outlet of the dry channel of the heat exchanger into two parts of an upper part and a lower part, wherein the upper part of the outlet of the dry channel is connected with an air let of a primary air fan, the lower part of the outlet of the dry channel is communicated with the wet channel of the heat exchanger by an air channel; the outlet of the wet channel arranged on one side of the air inlet of the dry channel of the heat exchanger is connected with an air inlet of a secondary air fan. The secondary air and the primary air adversely flows, thereby improving the cooling and heat exchanging efficiency, avoiding the interference of two fans and saving energy; moreover, when the spraying water exchanges heat with the inlet air, the invention can lower the irreversible loss and enhance the cooling efficiency.

Description

Countercurrent composite indirect evaporation refrigerating air processor
Technical field
The present invention relates to field of renewable energy technology, belong to the improvement of air conditioner with water evaporation for cooling machine, particularly countercurrent composite indirect evaporation refrigerating air processor.
Background technology
Dry air is a kind of renewable resource of preciousness, can be used to obtain the required cold of room conditioning in summer.When undersaturated air contacts with water, the evaporation of water phenomenon will inevitably take place, promptly water becomes vaporous water by aqueous water and dissolves in the air, the evaporation of water process is actual to be caloic exchange process between water and the air, air is dry more, and Evaporation Phenomenon is strong more, i.e. caloic exchange is strong more.Therefore, in the sweat cooling technical field, dry air is the driver of refrigeration, and water is the carrier of switching energy.
The Evaporative Cooling Air Conditioning machine that uses is made up of blower fan, heat exchanger, water-cooling apparatus and casing at present, and it is to utilize water evaporates to absorb heat to reduce wind pushing temperature, makes a kind of air conditioning mode of room cooling.Whether directly contact with water according to air-supply, can be divided into direct Evaporative Cooling Air Conditioning machine and indirect evaporation cooling air conditioner.For the new wind that makes cooling obtains lower air dry-bulb temperature under the condition that does not increase water capacity, generally all adopt indirect evaporation cooling air conditioner.Disclosed have a kind of indirect evaporation to cool off air conditioner, its heat exchanger is made up of uniform spaced apart dry passage and wet channel, a wind enters the dry passage of heat exchanger, secondary wind enters wet channel, secondary wind directly contacts with shower water, carry out the wet exchange of heat, and a wind of cooling partition one side.Wind heat-transfer surface by dry passage with the heat transferred opposite side by direct transpiration-cooled secondary wind, a wet cooling such as wind self realizations, indirect evaporation cools off can obtain lower air dry-bulb temperature.Its weak point is that existing indirect evaporation cooler is because the limitation of device structure, wind and secondary wind facies are interfered mutually, energy consumption is increased, reduced refrigeration, cooling heat transferring efficient is not high enough, shower water and air intake take place to have the wet exchange of bigger heat irreversible loss in the wet process that exchanges of heat, have reduced heat exchanger efficiency.
Summary of the invention
The object of the present invention is to provide a kind of countercurrent composite indirect evaporation refrigerating air processor, not only can improve cooling heat transferring efficient, improve refrigeration, avoid primary air fan and overfire air fan to interfere mutually, energy savings, and when making shower water and air intake carry out the wet exchange of heat, improve heat exchanger efficiency, reduce the irreversible loss of the wet exchange of heat, improve refrigeration.
The object of the present invention is achieved like this: a kind of countercurrent composite indirect evaporation refrigerating air processor, comprise in the casing that is provided with air inlet and air outlet blower fan is installed, water-spray system, heat exchanger and water tank, heat exchanger is for being provided with dividing plate respectively between uniform corrugated plating in space and permeable supporter, constitute parallel dry passage and the wet channel in space, dividing plate is being set by apparatus for adjusting position at the air outlet place of heat exchanger is separated into the outlet of the dry passage of heat exchanger, following two parts, the dry passage outlet on its top is connected with the air inlet of primary air fan, the dry passage of bottom exports the wet channel that is connecting heat exchanger by the air channel, and the wet channel outlet of heat exchanger dry passage inlet side is connecting the air inlet of overfire air fan.
When the present invention worked, one time wind entered the dry passage of heat exchanger from air inlet, and the sensible heat transfer of a wind of dry passage is given the shower water of wet channel, and secondary wind and shower water carry out the wet exchange of heat, took away the heat of water.Through etc. after the wet cooling, wind of a part is transported to indoor or need further handles through primary air fan from the dry passage on heat exchanger top; Wind of another part from the dry passage of heat exchanger bottom through etc. wet cooling become secondary wind by the wet channel that the air channel enters heat exchanger, make dry passage and wet channel formation temperature poor, inlet side and air side at the air-dry passage of heat exchange, the flow direction of secondary wind and a wind is and intersects direction and flow, zone line at heat exchanger, the flow direction of secondary wind and a wind is reverse flow, improved heat exchange efficiency, according to the air flow rate proportioning of setting, the dry-bulb temperature of an air outlet can level off to the dew-point temperature of a wind air intake.Because the bottom of heat exchanger of the present invention is separated into two parts up and down by horizontal baffle with the dry passage of heat exchanger, has so just avoided primary air fan and overfire air fan to interfere mutually, has reduced energy consumption, energy savings has improved refrigeration.
Owing in the casing of the present invention below heat exchanger separate separation water tank is being set, above heat exchanger, be provided with and the separate corresponding spray chamber of separation water tank, independently spray equipment is installed respectively in each spray chamber, and the water pump of installing in each water tank is respectively corresponding spray equipment provides the water source.Can realize the separate residing separately position of separation water tank basis difference like this, the temperature that cooling water in each water tank and heat exchanger correspondent section are carried out after the wet exchange of heat has nothing in common with each other, realized separate separation water tank by the position of the corresponding cooling section of heat exchanger separately in the water tank temperature of water by temperature gradient distribution, make separate separation water tank separately independently the water temperature in the water tank be arranged in order from high to low.Owing to realized that the water temperature of shower water distributes by gradient, when carrying out the caloic exchange, give full play to the ability of the wet exchange of heat with air intake, irreversible loss drops to minimum.Make that remaining big as far as possible heat exchange in heat exchanger drives gesture, improved heat exchanger efficiency, effectively obtain maximized refrigerating capacity.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 has the work structuring schematic diagram of integrated water tank for the present invention;
Fig. 2 has the work structuring schematic diagram of separating water tank for the present invention;
Fig. 3 is the right TV structure schematic diagram of heat exchanger.
The specific embodiment
A kind of countercurrent composite indirect evaporation refrigerating air processor, as Fig. 1, shown in Figure 3, comprise casing 2 that has air inlet and air outlet and blower fan, the water-spray system of in casing 2, installing, in the bottom of casing 2 water tank 15 is being set, the water pump of installing in water tank 15 11 is connected by the spray water system 5 that is provided with in pipeline 12 and the housing that casing 2 inner tops seal.Between casing 2 inner water tanks and spray water system 5 heat exchanger 3 is being set, heat exchanger is 3 between uniform corrugated plating 18 in space and permeable supporter 17 dividing plate 19 to be set respectively, constitutes parallel dry passage 21 and the wet channel 20 in space.Permeable supporter 17 be web plate shape corrugated plating or on the plate face corrugated plating of uniform through hole.Permeable supporter 17 is uniform fixing back-up block or an interruption support bar in wet channel 20.Constitute the rectangle that is shaped as of the dividing plate 19 of dry passage 21 and corrugated plating 18 in the heat exchanger 3.Constitute in the heat exchanger 3 wet channel 20 permeable supporter 17 corrugated platings be shaped as parallelogram.Bottom at heat exchanger 3 is separated into upper and lower two parts by dividing plate 7 with heat exchanger 3 uniform dry passage 21 outlets, dry passage 21 outlets on its top are connected with the air inlet of primary air fan 6, the dry passage 21 of bottom exports the wet channel 20 that is connecting heat exchanger by air channel 8, and wet channel 20 outlets of heat exchanger 3 inlet sides are connecting the air inlet of overfire air fan 1.Can be so that wind and secondary wind be realized countercurrent flow, and the resistance of system and pressure drop ratio are less.The dividing plate 16 that is being provided with at the air inlet place of heat exchanger 3 is corresponding with the dividing plate 7 at air outlet place.Dividing plate 16,7 is installed on the air inlet of heat exchanger 3 by apparatus for adjusting position respectively and in the air channel 8 of air outlet.The apparatus for adjusting position that is provided with on heat exchanger 3 air inlets is the uniform installing hole that is being symmetrical arranged on the frame of air inlet both sides, regulates the position of horizontal baffle 16 by uniform installing hole.Apparatus for adjusting position is the uniform connection bracing frame 9 that is being symmetrical arranged on 8 inwalls of air channel, regulates the position of dividing plate 7 by uniform connection bracing frame 9.Realize the adjusting of the position height of dividing plate 16,7 by apparatus for adjusting position, regulate the Volume Changes of the separation of heat exchanger dry passage 21 as required, thereby can regulate the air quantity ratio of wind and secondary wind, and realize that wind and secondary wind do not interfere with each other, and control and regulate the leaving air temp of unit easily.In the bottom of heat exchanger 3 sealing drip tray 14 is being set, on the drainpipe 13 of the bottom of sealing drip tray 14 setting, stop valve is being installed.8 bottom is being provided with auxiliary air inlet in the air channel, on auxiliary air inlet capping 10 is installed.When the outdoor wind of direct usefulness during as secondary wind, the capping 10 of auxiliary air inlet on the air channel 8 can be removed, on the auxiliary air inlet in air channel 8, induced duct is installed, the import of induced duct is led to outdoor, dividing plate 7 is installed on the bracing frame 9 of foot in air channel 8, can realizes directly making secondary wind with outdoor wind.In the winter time, also can be with indoor wind as secondary wind, remove the capping 10 of auxiliary air inlet on the air channel 8, directly 8 auxiliary air inlet enters from the air channel to make indoor wind, dividing plate 7 is installed on the bracing frame 9 of foot in air channel 8, closes shower water, indoor wind is carried out countercurrent heat exchange as secondary wind and an outdoor wind, wind of the heat transferred of indoor wind raises a wind-warm syndrome degree in the inlet chamber.The auxiliary air inlet that has capping 10 on the air channel 8 has increased function of use of the present invention.In the winter time, especially at severe cold area, in order to reduce the heating load in room, the general deficiency of resh air requirement is the major reason that causes indoor air quality to worsen, the indoor human body that is in the resh air requirement deficiency for a long time is prone to headache, uncomfortable in chest, fatigable symptom, also causes diseases such as respiratory system and nervous system easily.CNS GB/T18883-2002 determines that resh air requirement should be less than 30m 3/ h people supplies with the normal physiology oxygen demand of people, pernicious gas or smells such as dilution indoor carbon dioxide, formaldehyde, all contaminations in eliminating room.Can play the effect of fresh air ventilator in the winter time.Carry out the recovery of heat when making the indoor and outdoor air carry out completely the adverse current high efficient heat exchanging.Both guarantee the supply of indoor resh air requirement, and made energy obtain effective recovery again, be particularly useful for the place that indoor air quality is had relatively high expectations.As shown in Figure 2, in the casing 1 below heat exchanger 3 separation water tank 15 is being set, separate water tank 15 and be water tank independently separately, above heat exchanger 3, be provided with and separation water tank 15 corresponding spray chambers 4, independently spray equipment 5 is installed respectively in each spray chamber 4, in each water tank 15 water pump 11 is installed respectively, the water pump 11 in each water tank 15 pipeline 12 by separately and corresponding spray chamber 4 interior spray equipments 5 respectively is connected.Spray equipment 5 is for to be provided with hole for water spraying or shower nozzle is being installed on water pipe uniform on the water pipe.

Claims (9)

1. countercurrent composite indirect evaporation refrigerating air processor, comprise casing (2) that has air inlet and air outlet and the blower fan of in casing (2), installing, water-spray system, heat exchanger (3) and water tank, it is characterized in that: heat exchanger (3) is for being provided with dividing plate (19) respectively between uniform corrugated plating in space (18) and permeable supporter (17), constitute parallel dry passage (21) and the wet channel (20) in space, the dividing plate (7) that is provided with by apparatus for adjusting position at the air outlet place of heat exchanger (3) is separated into dry passage (21) outlet of heat exchanger (3), following two parts, the dry passage on its top (21) outlet is connected with the air inlet of primary air fan (6), the dry passage of bottom (21) exports the wet channel (20) that is connecting heat exchanger (3) by air channel (8), and wet channel (20) outlet of heat exchanger (3) dry passage (21) inlet side is connecting the air inlet of overfire air fan (1).
2. countercurrent composite indirect evaporation refrigerating air processor according to claim 1, it is characterized in that: in the casing (2) of heat exchanger (3) below, separation water tank (15) is being set, be provided with and the separation corresponding spray chamber of water tank (15) (4) in heat exchanger (3) top, independently spray equipment (5) is installed respectively in each spray chamber (4), and the water pump of installing in each water tank (11) pipeline (12) by separately respectively is connected with spray equipment (5) in the corresponding spray chamber (4).
3. countercurrent composite indirect evaporation refrigerating air processor according to claim 1, it is characterized in that: apparatus for adjusting position is the uniform connection bracing frame (9) that is being symmetrical arranged on the inwall of air channel (8), regulates the position of dividing plate (7) by uniform connection bracing frame (9).
4. countercurrent composite indirect evaporation refrigerating air processor according to claim 1 is characterized in that: permeable supporter (17) is for uniform fixing back-up block in wet channel (20) or be interrupted support bar.
5. countercurrent composite indirect evaporation refrigerating air processor according to claim 1 is characterized in that: permeable supporter (17) for web plate shape corrugated plating or on the plate face corrugated plating of uniform through hole.
6. countercurrent composite indirect evaporation refrigerating air processor according to claim 1 is characterized in that: constitute in the heat exchanger (3) wet channel (20) permeable supporter (17) corrugated plating be shaped as parallelogram.
7. countercurrent composite indirect evaporation refrigerating air processor according to claim 1 is characterized in that: the rectangle that is shaped as that constitutes the dividing plate (19) of dry passage (21) and corrugated plating (18) in the heat exchanger (3).
8. countercurrent composite indirect evaporation refrigerating air processor according to claim 1 is characterized in that: the bottom of (8) is being provided with air inlet in the air channel, and capping (10) is installed on air inlet.
9. countercurrent composite indirect evaporation refrigerating air processor according to claim 1 is characterized in that: in the bottom of heat exchanger (3) sealing drip tray (14) is being set, on the drainpipe (13) of the bottom of sealing drip tray (14) setting stop valve is being installed.
CN2006101319490A 2006-10-11 2006-10-11 Countercurrent composite indirect evaporation refrigerating air processor Expired - Fee Related CN101162101B (en)

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CN2006101319490A CN101162101B (en) 2006-10-11 2006-10-11 Countercurrent composite indirect evaporation refrigerating air processor

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Application Number Priority Date Filing Date Title
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CN101162101B true CN101162101B (en) 2010-10-13

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953988B (en) * 2014-04-28 2017-01-04 西安工程大学 Press-in tubular type adverse current dew point indirect evaporative cooling is combined air conditioning unit with mechanical refrigeration
CN106403112A (en) * 2016-10-29 2017-02-15 祝大顺 Reverse backflow type indirect evaporative cooling water chilling unit
CN106989459B (en) * 2017-03-03 2020-11-17 西安工程大学 Counter-flow dew point indirect evaporative cooling air conditioning unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023949A (en) * 1975-08-04 1977-05-17 Schlom Leslie A Evaporative refrigeration system
US4910971A (en) * 1988-02-05 1990-03-27 Hydro Thermal Engineering Pty. Ltd. Indirect air conditioning system
CN1215830A (en) * 1995-04-21 1999-05-05 巴尔的摩汽圈公司 Combination direct and indirect closed circuit evaporative heat exchanger with blow-through fan
JP2006145092A (en) * 2004-11-17 2006-06-08 Max Co Ltd Air conditioning system and building

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023949A (en) * 1975-08-04 1977-05-17 Schlom Leslie A Evaporative refrigeration system
US4910971A (en) * 1988-02-05 1990-03-27 Hydro Thermal Engineering Pty. Ltd. Indirect air conditioning system
CN1215830A (en) * 1995-04-21 1999-05-05 巴尔的摩汽圈公司 Combination direct and indirect closed circuit evaporative heat exchanger with blow-through fan
JP2006145092A (en) * 2004-11-17 2006-06-08 Max Co Ltd Air conditioning system and building

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