CN201740419U - Filler-free multi-stage ventilation cooling tower - Google Patents

Filler-free multi-stage ventilation cooling tower Download PDF

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Publication number
CN201740419U
CN201740419U CN2010202497213U CN201020249721U CN201740419U CN 201740419 U CN201740419 U CN 201740419U CN 2010202497213 U CN2010202497213 U CN 2010202497213U CN 201020249721 U CN201020249721 U CN 201020249721U CN 201740419 U CN201740419 U CN 201740419U
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China
Prior art keywords
wall
water
corrugated plating
side wall
tower
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Expired - Lifetime
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CN2010202497213U
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Chinese (zh)
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苗磊
陈万友
李江利
王巍
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Petrochina Co Ltd
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Petrochina Co Ltd
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Priority to CN2010202497213U priority Critical patent/CN201740419U/en
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Abstract

A packless multistage ventilated cooling tower; the tower body consists of a tower top platform, a side wall, an internal ventilation wall and a middle slideway wall; the air duct is arranged in the center of the tower top platform, and the lower end of the air duct is seated on the water collector; the fan is arranged in the air duct; the water collector is fixed at the top end of the internal ventilation wall; the water collecting tank is positioned at the bottom of the tower body and is provided with a sludge discharge pipe, a waterproof weir, a water suction pipe and a water suction pit; the water distribution pipe is positioned on the tower top platform and communicated with the interior of the tower body; the internal ventilation wall is positioned on the inner side of the side wall, the internal ventilation wall is provided with vent holes, and the lower edge of each vent hole is provided with a water collecting plate; the corrugated plates are arranged in the slide way grooves on the side wall and the middle slide way wall in the horizontal direction in an internally-externally staggered manner, each two staggered corrugated plates correspond to one ventilation hole, the outer end part of each corrugated plate close to the outer side is provided with a panel, and a space formed between the two panels forms an air inlet; the cooling effect is superior to that of a mechanical ventilation cooling tower with the same water inflow, the noise is low, the service life is long, the occupied area is small, and the maintenance can be carried out without stopping production.

Description

The multistage aerating and cooling tower of no filler
Technical field
It is cooling medium with the air that the utility model relates to a kind of, replaces the aqueous solution heat-exchanger rig of conventional filler with the corrugated plating of inside and outside interlaced arrangement.
Background technology
The effect of cooling tower is that the recirculated water that will carry waste heat carries out heat exchange at Ta Nei and air, and the heat of water is transferred to air and spills into atmosphere, and recirculated water is lowered the temperature.
Use open type mechanical-draft cooling tower more widely at present, efficient combined cooling tower with double heat exchanges as the CN2492820Y announcement, be in tower body, to fill filler, and shower nozzle is set above filler, water by uniformly dispersing after, form moisture film at filling surface, increased the surface area of aqueous vapor contact, heat exchanger effectiveness is higher, but because the windage of filler own is bigger, must on packed height, limit to some extent, so just reduce the stroke that hot water falls, shortened the time of staying of hot water in tower, cooling effect has been influenced to some extent; If want to allow this type of cooling tower synergy, only can on filler, write an article, as increasing the convex-concave curvilinear plane of filler as far as possible, but potentiality are very limited; Simultaneously, the applied complex shape of this type systematic, the minimum filler diaphragm in gap, because of long period of soaking in water, easily scaling is easily blocked by silt or bacterium algae group, and then the space between packing sheet is diminished, even phenomenon such as occur wearing out, be out of shape and subside, increased flowing resistance, increased power consumption, and made the cooling effect variation; In addition, this type of cooling tower system architecture more complicated, in case the filler part is damaged to some extent, necessary stopping production checking maintenance consumes more manpower and time, has influenced enterprise and has normally runed.
And packless open type mechanical-draft cooling tower, no-padding and spraying cooling tower as the CN2520493Y announcement, its cooling element adopts atomizer, though reduced SR, it is long-pending to have increased the aqueous vapor contact surface, has improved cooling effect, but because open-type cooling water system often contains more impurity, nozzle very easily blocks, and maintenance inconvenience.
The utility model content
The purpose of this utility model provides traditional open type mechanical-draft cooling tower that a kind of cooling effect is better than equal inflow, and noise is little, and the life-span is long, save to take up an area of, the multistage aerating and cooling tower of no filler of the checking maintenance of can realizing not stopping production.
The multistage aerating and cooling tower of no filler described in the utility model is made of tower body, blower fan, air duct, corrugated plating, sparge pipe, water collection device and collecting-tank; The cat head platform that tower body is made of reinforced concrete member, side wall, inner ventilation wall and middle part slideway wall constitute; Air duct is installed in cat head platform center, and the lower end is sitting on the water collection device; The blower fan that is made of blower motor and fan blade is installed in the air duct; Water collection device is fixed on the water collection device support on the inner ventilation wall top; Collecting-tank is positioned at the tower body bottom, is provided with discharge pipeline, cofferdam, suction hose and suction hole; Sparge pipe is made of oral siphon and oral siphon valve, is positioned on the cat head platform, and an end is by UNICOM in cat head center and the tower body, and the other end is connected with accident overflow pipe, accident overflow pipe valve with water-main; The tower body side wall is positioned at the left and right sides of tower body, and twice middle part slideway wall is positioned at the centre of twice side wall, is provided with horizontal slide groove in tower body side wall inboard and slideway wall both sides, middle part; The inner ventilation wall is made up of two fast bodies of wall, the inner ventilation wall is positioned at the side wall inboard, and the inner ventilation wall is provided with rectangular ventilation holes, and each air vent lower edge is equipped with the water collecting plate of folding shape, the inboard of each water collecting plate is bending upwards, and opposite side protrudes in the inner ventilation wall; Corrugated plating in the horizontal direction, inside and outside be installed in alternately in the slide groove on side wall and the middle part slideway wall, per two corresponding independent air vents of the staggered corrugated plating of installing, each sheet outer end of corrugated plating in the outer part is equipped with panel, and the space that forms between two panels forms air inlet.
Described side wall parallelogram is built, and middle part slideway wall is down trapezoidal construction.
Twice inner ventilation wall is inclined to 80 ° of angles respectively forwards, backwards.
Each is corrugated plating in the outer part, and rearmost end and the outside water fender and inboard overfalling weir are installed foremost is provided with 7~10 inboard trickle holes at the position arow of the close front end of each trough part.Each is corrugated plating in the inner part, rearmost end and inboard water fender is installed foremost and outside overfalling weir, position arow at each trough close front end partly is provided with trickle hole, 2~3 outsides, is provided with the moisture film sheet in the position of each crest close rear end partly.
Panel is made of longitudinal baffle, oblique baffle plate and position-limited rack, is fixed in side wall and the corresponding bolt hole of middle part slideway wall by four jiaos of bolts hole of locating of longitudinal baffle, and position-limited rack is welded on the both sides of oblique baffle plate.
During operation, circulating water flow is through every corrugated plating and circuitous fall, and in dropping process constantly and the fresh air contact heat-exchanging of low temperature drying.In per three staggered formed two intervals of corrugated plating of installing, air and recirculated water all have four contact phases, promptly water from the upper level corrugated plating drench process, water drenches process at film forming procedure and the downward fist-order wave card of water that lateral flow process, water on the corrugated plating drop on the moisture film sheet.2/3rds places on tower body, water temperature is higher than the dry-bulb temperature of air, and the cooling of water is mainly from contact heat radiation and evaporative heat loss, and at following 1/3rd places of tower body, water temperature has been reduced to the dry-bulb temperature near air, the cooling of water is then mainly from evaporative heat loss.
The advantage applies that the multistage aerating and cooling tower of no filler of the present utility model is compared with prior art had exists:
1, good cooling results.Since corrugated plating in the horizontal direction inside and outside interlaced arrangement, make the time of staying (being aqueous vapor time of contact) of water increase nearly about 6~8 times; Corrugated plating has large surface area, in conjunction with moisture film sheet and trickle hole, the area of air water contact is increased greatly; Because multistage aeration structure makes recirculated water constantly contact the lower fresh dried air of dry-bulb temperature in dropping process, become repeatedly heat exchange simultaneously, all strengthened cooling effect by a heat exchange.
2, water distribution is even.Current overflow along overfalling weir from the trough place of corrugated plating, drench the crest place to lower floor's corrugated plating, evenly flow to trough place, both sides then, make the distribution of current can remain on equilibrium state always.
3, noise is little.On every grade of corrugated plating, it only is 25~30cm that water droplet drenches the vertical height that falls, and most tilting section that drenches the crest place that drops on corrugated plating, and sound is less; Simultaneously, because tower body integral body is reinforced concrete structure, has greatly reduced blower fan and rotated the vibrating noise that is produced.
4, long service life.Corrugated plating in use owing to need not to consider gap and sheet number as conventional filler, so can suitably increase diaphragm thickness during fabrication, has so just strengthened corrugated plating intensity, has prolonged service life.
5, be difficult for growing algae.Tower body is full lucifuge structure, and cooling tower inside is gone in no sunlight direct projection, has stopped growing of algae.
6, checking maintenance is convenient, need not to stop production.Because the special ramp design and the branch body structure of corrugated plating so when the independent corrugated plating of each sheet was cleaned, overhauls or changes, only need be extracted corresponding corrugated plating out in slideway, and can not influence the normal operation of cooling tower integral body.
7, energy consumption is lower.Because air inlet and air vent are bigger, it is smooth and easy to ventilate in the corrugated plating spacing broad, tower, need not to rely on the blower fan forced draft as traditional open type mechanical-draft cooling tower, and blower fan is being moved than under the slow-speed of revolution.
8, no wind loss.Because the water drop is less, and drop point is far away apart from air inlet, so there is not the windage loss phenomenon.
Description of drawings
Fig. 1 is cooling tower corrugated plating section and corrugated plating slideway cross-sectional view;
Fig. 2 is cooling tower front and inner ventilation wall front schematic view;
Fig. 3 is cooling tower cat ladder and access door position view;
Fig. 4 is a corrugated board structures schematic diagram in the inner part;
Fig. 5 is a corrugated board structures schematic diagram in the outer part;
Fig. 6 is a corrugated plating bottom fixed rack structure schematic diagram;
Fig. 7 is a corrugated plating supporting structure schematic diagram;
Fig. 8 is a corrugated plating longitudinal profile schematic diagram;
Fig. 9 a is the overfalling weir scheme of installation;
Fig. 9 b is the diaphragm scheme of installation;
Figure 10 a is the panel construction schematic diagram;
Figure 10 b is the panel scheme of installation.
Among the figure: 1 blower motor, 2 fan blades, 3 fan supporters, 4 water collection devices, 5 water collection device supports, 6 cat head platforms, 7 oral siphons, 8 sparge pipes, 9 panels, 10 corrugated platings in the outer part, 11 corrugated platings in the inner part, 12 air inlets, 13 cofferdams, 14 horizontal wall-through holes, 15 discharge pipelines, 16 air ducts, 17 inner ventilation walls, 18 back timbers, 19 sparge pipe supports, 20 corrugated plating slide grooves in the inner part, 21 corrugated plating slide grooves in the outer part, 22 water collecting plates, 23, air vent, 24 collecting-tanks, 25 suction hoses, 26 suction holes, 27 oral siphon valves, 28 total upper hoses, 29 accident overflow pipes, 30 accident overflow pipe valves, 31 vertical wall-through holes, 32 middle part slideway walls, 33 guardrails, 34 cat ladders, 35 cat ladder platforms, 36 side walls, 37 side wall brace summers, 38 functional pools, 39 access doors, 40 tower bodies, 41 outside overfalling weirs, trickle hole, 42 outside, 43 moisture film sheets, 44 inboard water fenders, 45 crest parts, 46 trough parts, 47 outside water fenders, 48 inboard trickle holes, 49 inboard overfalling weirs, 50 fixed mounts, 51 corrugated plating supports, 52 vertical muscle, 53 hoisting rings, 54 horizontal bars, 55 rollers, 56 longitudinal baffles, 57 oblique baffle plates, 58 position-limited racks, 59 expansion bolts, 60 bolts hole
The specific embodiment
With reference to Fig. 1,2 and 3, the main body of tower body 40 is made of jointly side wall 36, cat head platform 6, inner ventilation wall 17 and the middle part slideway wall 32 of reinforced concrete structure.Twice side wall 36 is positioned at the left and right sides of tower body 40, its below extends to the bottom of collecting-tank 24, and the side wall brace summer 37 that is connected to the upper edge of collecting-tank 24 supports, the rear and front end of the inboard of per pass side wall 36 is staggeredly equipped with corrugated plating slide groove 20 and corrugated plating slide groove 21 in the inner part in the outer part accordingly, per pass corrugated plating slide groove 20 in the inner part all extends to inner ventilation wall 17, and per pass corrugated plating slide groove 21 in the outer part all extends to position apart from inner ventilation wall 17 about 30cm.Cat head platform 6 crane span structures are in the centre of side wall 36, and by twice near the both sides, front and back across about back timber 18 reinforce.The air duct 16 of hyperbolic-type is installed in the centre position of cat head platform 6, and blower motor 1 and fan blade 2 are installed in air duct 16 bosom positions, and the fan supporter of being built on cat head platform 6 that is decussation 3 supports.Centre position above inner ventilation wall 17 is equipped with water collection device support 5, and the water collection device 4 that enough covers air duct 16 lower edges is installed on water collection device support 5, and effect is the dissipation that reduces steam.Twice inner ventilation wall 17 is 80 ° of angles along the left and right directions of tower body 40 to both sides to be built, and its top is connected with cat head platform 6, extends to the bottom of collecting-tank 24 below it, and below be provided with 4 vertical wall-through holes 31, make the connection of collecting-tank 24 front and back.On inner ventilation wall 17, be provided with rectangular ventilation holes 23, the lower edge of each air vent 23 all is equipped with the water collecting plate 22 of folding type, the inboard of each water collecting plate 22 is upwards bending all, and opposite side slightly protrudes in inner ventilation wall 17, and effect is to prevent that the spray of thoroughly not lowered the temperature is splashed into collecting-tank 24.Twice middle part slideway wall 32 is positioned at the centre of twice side wall 36, its inboard links to each other with inner ventilation wall 17, and its top links to each other with cat head platform 6, and its below extends to the bottom of collecting-tank 24, and below be provided with 2 horizontal wall-through holes 14, collecting-tank about 24 is communicated with.Collecting-tank 24 is built in underground position, and the left and right sides slightly protrudes in side wall 36 about 120cm, and formed functional pool 38 thus, effect is to be used for purposes such as sampling, interim dosing or moisturizing, outer on the top of collecting-tank 24 is provided with cofferdam 13, be provided with discharge pipeline 15 and suction hole 26 in the bottom, suction hose 25 extends 26 bottoms, suction hole.
With reference to Fig. 1 and 2, total upper hose 28 is arranged at a side of tower body 40, and parallel with side wall 36, its top is higher than cat head platform 6, and in the both sides at top two cover oral siphon 7 and oral siphon valves 27 is installed abreast, and every oral siphon 7 all extends to the vertical direction of middle part slideway wall 32, and stretch into the inside of tower body 40, be connected with the middle part of sparge pipe 8, sparge pipe 8 is fixed on the rear and front end of cat head platform 6 by sparge pipe support 19, and effect is that recirculated water is evenly sowed.Accident overflow pipe 29 and accident overflow pipe valve 30 are arranged on the subaerial position, below of total upper hose 28, and the outlet of accident overflow pipe 29 is positioned at the top of functional pool 38.
With reference to Fig. 2 and 3, cat ladder 34, cat ladder platform 35 and access door 39 are arranged on the side wall 36 with respect to the opposite side of total upper hose 28, are provided with guardrail 33 around cat head platform 6.
With reference to Fig. 1,4,5,6 and 7, in the corrugated plating slide groove 21 corrugated plating 10 in the outer part is installed all in the outer part at each, the outside water fender 47 and inboard overfalling weir 49 are installed in the rearmost end of corrugated plating 10 in the outer part and foremost respectively, and are provided with 7~10 inboard trickle holes 48 at the position arow of the close front end of each trough part 46.In the corrugated plating slide groove 20 corrugated plating 11 in the inner part is installed all in the inner part at each, inboard water fender 44 and outside overfalling weir 41 are installed in the rearmost end of corrugated plating 11 in the inner part and foremost respectively, and be provided with trickle hole, 2~3 outsides 42 at the position arow of the close front end of each trough part 46, be provided with moisture film sheet 43 in the position of the close rear end of each crest part 45.Every in the outer part corrugated plating 10 and in the inner part corrugated plating 11 all be installed on the corresponding corrugated plating support 51, and interfix by nylon rope or steel wire by the fixed mount 50 of corrugated plating bottom and the horizontal bar 54 on the corrugated plating support 51, be provided with 5 horizontal bars 54 on each corrugated plating support 51 abreast, and fixed by two horizontal bars 52 of the left and right sides, on every horizontal bar 52, be welded with two hoisting rings 53 and 5 rollers 55.
With reference to Fig. 8, per two adjacent corrugated platings in the outer part 10 and corrugated plating 11 is staggered in the horizontal direction in the inner part, promptly the crest part 45 of last layer corrugated plating be positioned at one deck corrugated plating down trough part 46 directly over.
With reference to Fig. 9 a, 9b, for the ease of the production of corrugated plating, and prevent to damage in transit, outside overfalling weir 41, inboard overfalling weir 49 and moisture film sheet 43 are adopted split-type design, can pass through card slot type structure and binder-treatment, carry out the scene and install.
With reference to Fig. 1,2 and 10a, 10b, panel 9 is made of jointly longitudinal baffle 56, oblique baffle plate 57 and position-limited rack 58, can be stretched in the corresponding bolt hole 60 of side wall 36 and middle part slideway wall 32 by the expansion bolts 59 that are arranged on four jiaos of longitudinal baffle 56 places during installation and fix.In the both sides of oblique baffle plate 57, be welded with position-limited rack 58, effect is that corrugated plating 11 in the inner part is fixed in the inner part in the corrugated plating slide groove 20.
During operation, recirculated water is entered in the every oral siphon 7 by total upper hose 28, be assigned to then in the sparge pipe 8 and sow, recirculated water at first falls into ground floor trough part 46 inside of corrugated plating 10 in the outer part, drench on the moisture film sheet 43 that drops on down the inboard corrugated plating 11 of one deck from inboard trickle hole 48 and inboard overfalling weir 49 respectively then, formed the thin moisture film of one deck, finally fall into the inside of the trough part 46 of inboard corrugated plating 11, fall into next stage trough part 46 inside of corrugated plating 10 in the outer part from trickle hole, the outside 42 and 41 pouring of outside overfalling weir respectively then, and so forth, the final inflow in the collecting-tank 24, extracted out by suction hose 25, enter next heat exchanging process.During recirculated water drenches in tower and, blower motor 1 drives fan blade 2 and carries out high speed rotating, air enters tower body 40 inside from air inlet 12, respectively with drench the water that falls, corrugated plating from the upper level corrugated plating on water, the moisture film on the moisture film sheet of lateral flow drench the water that falls with fist-order wave card downwards and contact, produced the contact heat radiation and the evaporative heat loss of greater efficiency.
When corrugated plating is cleaned, only need unload lower panel 9, utilize the giant from top to down that each grade corrugated plating is washed, dirt finally can fall in the collecting-tank 24, and drains by discharge pipeline 15.It is also very simple that process is changed in the maintenance of corrugated plating, as long as unload corresponding panel 9, by hoisting ring 53 corrugated plating is pulled out and to overhaul or to change, corrugated plating lifting reposition after will overhauling or change then, as long as carry out above-mentioned steps step by step, can realize the checking maintenance that do not stop production to cooling tower.

Claims (6)

1. the multistage aerating and cooling tower of no filler is made of tower body, blower fan, air duct, corrugated plating, sparge pipe, water collection device and collecting-tank; It is characterized in that: the cat head platform that tower body is made of reinforced concrete member, side wall, inner ventilation wall and middle part slideway wall constitute; Air duct is installed in cat head platform center, and the lower end is sitting on the water collection device; The blower fan that is made of blower motor and fan blade is installed in the air duct; Water collection device is fixed on the water collection device support on the inner ventilation wall top; Collecting-tank is positioned at the tower body bottom, is provided with discharge pipeline, cofferdam, suction hose and suction hole; Sparge pipe is made of oral siphon and oral siphon valve, is positioned on the cat head platform, and an end is by UNICOM in cat head center and the tower body, and the other end is connected with accident overflow pipe, accident overflow pipe valve with water-main; The tower body side wall is positioned at the left and right sides of tower body, and twice middle part slideway wall is positioned at the centre of twice side wall, is provided with horizontal slide groove in tower body side wall inboard and slideway wall both sides, middle part; The inner ventilation wall is made up of two fast bodies of wall, the inner ventilation wall is positioned at the side wall inboard, and the inner ventilation wall is provided with rectangular ventilation holes, and each air vent lower edge is equipped with the water collecting plate of folding type, the inboard of each water collecting plate is bending upwards, and opposite side protrudes in the inner ventilation wall; Corrugated plating in the horizontal direction, inside and outside be installed in alternately in the slide groove on side wall and the middle part slideway wall, per two corresponding independent air vents of the staggered corrugated plating of installing, each sheet outer end of corrugated plating in the outer part is equipped with panel, and the space that forms between two panels forms air inlet.
2. the multistage aerating and cooling tower of no filler according to claim 1 is characterized in that: described side wall parallelogram is built, and middle part slideway wall is down trapezoidal construction.
3. the multistage aerating and cooling tower of no filler according to claim 1 is characterized in that: twice inner ventilation wall is inclined to 80 ° of angles respectively forwards, backwards.
4. the multistage aerating and cooling tower of no filler according to claim 1, it is characterized in that: each is corrugated plating in the outer part, rearmost end and the outside water fender and inboard overfalling weir are installed foremost is provided with 7~10 inboard trickle holes at the position arow of the close front end of each trough part.
5. the multistage aerating and cooling tower of no filler according to claim 1, it is characterized in that: each is corrugated plating in the inner part, rearmost end and inboard water fender is installed foremost and outside overfalling weir, position arow at each trough close front end partly is provided with trickle hole, 2~3 outsides, is provided with the moisture film sheet in the position of each crest close rear end partly.
6. the multistage aerating and cooling tower of no filler according to claim 1, it is characterized in that: panel is made of longitudinal baffle, oblique baffle plate and position-limited rack, bolt hole by four jiaos of places of longitudinal baffle is fixed in side wall and the corresponding bolt hole of middle part slideway wall, and position-limited rack is welded on the both sides of oblique baffle plate.
CN2010202497213U 2010-06-25 2010-06-25 Filler-free multi-stage ventilation cooling tower Expired - Lifetime CN201740419U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202497213U CN201740419U (en) 2010-06-25 2010-06-25 Filler-free multi-stage ventilation cooling tower

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Application Number Priority Date Filing Date Title
CN2010202497213U CN201740419U (en) 2010-06-25 2010-06-25 Filler-free multi-stage ventilation cooling tower

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CN201740419U true CN201740419U (en) 2011-02-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721293A (en) * 2012-06-18 2012-10-10 苏州腾辉环保科技有限公司 Aqueous dispersion filler-free cooling tower
CN104457317A (en) * 2014-11-19 2015-03-25 西安工程大学 Stand-pipe indirect-direct two-stage evaporative cooling tower
CN112984661A (en) * 2021-03-30 2021-06-18 中国石油集团东北炼化工程有限公司沈阳分公司 Air cooler capable of resisting severe summer heat and severe cold weather

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102721293A (en) * 2012-06-18 2012-10-10 苏州腾辉环保科技有限公司 Aqueous dispersion filler-free cooling tower
CN104457317A (en) * 2014-11-19 2015-03-25 西安工程大学 Stand-pipe indirect-direct two-stage evaporative cooling tower
CN112984661A (en) * 2021-03-30 2021-06-18 中国石油集团东北炼化工程有限公司沈阳分公司 Air cooler capable of resisting severe summer heat and severe cold weather

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Granted publication date: 20110209