CN109631614A - A kind of free convection cooling tower systems and its treatment process based on temperature difference heat exchange - Google Patents
A kind of free convection cooling tower systems and its treatment process based on temperature difference heat exchange Download PDFInfo
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- CN109631614A CN109631614A CN201910037681.1A CN201910037681A CN109631614A CN 109631614 A CN109631614 A CN 109631614A CN 201910037681 A CN201910037681 A CN 201910037681A CN 109631614 A CN109631614 A CN 109631614A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/04—Distributing or accumulator troughs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
- F28C2001/145—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange with arrangements of adjacent wet and dry passages
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of free convection cooling tower systems and its treatment process based on temperature difference heat exchange, which includes convection current cooling tower, and convection current cooling tower bottom heat exchange is provided with heat exchange filler unit in air overcurrent area, is equipped with circulating water pool below heat exchange filler unit.Using the high temperature air after heat exchange in cooling tower from pull out force, the driving force of heat exchange filler unit is flowed through as cold ambient air temperature, drive low-temperature airflow horizontal through heat exchange filler unit, low-temperature airflow and high temperature circulation water carry out indirect heat exchange by heat exchange packing layer in heat exchange filler unit, realize that heat transfer process only has water, temperature degree to change, and no moisture drain evaporation eliminates cooling tower white cigarette phenomenon while saving water resource.
Description
Technical field
The present invention relates to resource and environments to protect field, and in particular to a kind of free convection cooling tower based on temperature difference heat exchange
System and its treatment process.
Background technique
Cooling tower is mainly used for the cooling down of industrial cycle hot water, recycles for industrial hot water and constantly provides cold source,
Cooling tower mainly exchanges heat to industrial cycle hot water using cold ambient air temperature, takes the heat in hot water away.Existing machine power
Cooling tower is essentially all the circulating water mode to be exchanged heat using enthalpy difference, i.e., directly contacts hot water with air, exchanges heat.Low temperature
It in surrounding air and hot water heat transfer process, is influenced by high-temperature-hot-water volatilization gasification, the existing temperature of air for completing heat exchange is promoted again
There is humidity promotion.In order to improve steam heat exchange efficiency, the investment and land occupation of the heat exchange of industrial cycle hot water are reduced, industry is followed at present
The cooling of ring hot water mainly uses mechanical force cooling column, provides low-temperature airflow power, strengthening airflow heat exchange, cooling tower operation using blower
Energy consumption is generally higher.
Currently, cooling tower is designed according to the operating condition in summer, in the winter in order to guarantee circulating hot water cooling effect
Under season low temperature environment, ambient air temperature is lower, humidity is big, and surrounding air stability is higher, exchanges heat due to using enthalpy difference
Mode carry out gas water direct heat-exchange, cooling tower is in the process of running to a large amount of high temperature of environmental emission, high humidity gas, into ring
High temperature, high humidity gas and surrounding air in the air of border exchange heat rapidly cooling, and vapor condensation process generates a large amount of liquid water mists
Drop, it is difficult to expand and calculate, further form inverse wet layer in ambient air, increase surrounding air stability, do not utilize in surrounding air
The diffusion of pollutant, while a large amount of white cigarette phenomenons are generated, and then lead to environmental quality sharp fall, it will appear winter when serious
Regional haze phenomenon.
Summary of the invention
The object of the invention is in order to solve the shortcoming in background technique, provide it is a kind of based on temperature difference heat exchange from
Right convection current cooling tower systems and its treatment process, using the high temperature air after heat exchange in cooling tower from pull out force, as low
Warm surrounding air flows through the driving force of heat exchange filler unit, and driving low-temperature airflow is in heat exchange filler unit to high temperature circulation water
It exchanged heat, cooled down；Vertically cross-flow passes, high temperature circulation water and low temperature environment are empty for subregion in heat exchange filler for water, gas
Gas carries out mediate contact, heat exchange to exchange heat filler partition as heat exchange medium, realizes that entire heat transfer process only has water, temperature degree to change
Become, and no moisture drain evaporation eliminates cooling tower white cigarette phenomenon while saving water resource.
In order to achieve the above objectives, the present invention adopts the following technical scheme: a kind of free convection based on temperature difference heat exchange is cooling
Tower System, including convection current cooling tower, convection current cooling tower bottom periphery are provided with several heat exchange air overcurrents area, each air mistake that exchanges heat
It is provided with several heat exchange filler units in stream area, is provided with circulating water pool below heat exchange filler unit, convection current is used for cooling tower in right
The hot environment air for completing heat exchange carries out water conservancy diversion, and the buoyancy using hot environment air is discharging high temperature air to exhaust straight section
When formed form negative pressure from pull out force, and in convection tower chassis interior, pass through filler layer unit as outer low temperature air and push away
Power realizes that cooling system is run without external energy.Filler unit exchange heat for high temperature circulation hot water, heat exchange filler and low temperature ring
Heat exchange among the air of border realizes that high temperature circulation hot water cools.
The heat exchange filler unit includes filler cabinet, main water distribution spray thrower, heat exchange filler, water diversion disk, overflow port and secondary
Water distribution spraying layer, the perforation of filler cabinet both lateral sides, main water distribution spraying layer are located at top in stuffing box body, main cloth in stuffing box body
Several layers heat exchange filler is vertically arranged with below water spray layer, high-temperature-hot-water and cold ambient air temperature carry out in heat exchange packing layer
Indirect heat exchange is respectively arranged with water diversion disk between longitudinally adjacent two heat exchange fillers, the circulation landed for receiving top filler
Water, and the water diversion disk is used to switch the spray position of outside recirculated water in every layer of packing layer, guarantees that recirculated water uniformly cools down, mentions
High circulation water cooling efficiency；Time water spray thrower is provided with below each water diversion disk, the filler bottom of box is equipped with overflow port, and this overflows
Head piece is distributed in above circulating water pool by overflow pipe.
For a kind of optimization of the invention, the water diversion disk includes connection cabinet, intermediate bulkhead, dividing plate, distributive pipe,
Laterally layered partition, longitudinal direction are divided into upper left area, upper right area, lower-left through intermediate bulkhead, by connection cabinet in connecting box body
Area, bottom right area, the connection bottom of box are respectively equipped with several apertures that connection is connected to lower-left area, bottom right area, the time water spray
Drenching device includes several water-distribution nozzles, and each water-distribution nozzle is connect with each aperture, and upper right area and lower-left area, upper left area and bottom right area are distinguished
It is connected to and is connected by distributive pipe.It is influenced by heat transfer process ambient air temperature raising, water diversion disk recirculated water is changed in top layer on outside
It exchanges heat during hot filler flowing with outside cold ambient air temperature, water temperature is lower；Water diversion disk recirculated water exchanges heat in top layer on inside
With inside hot environment air heat-exchange during filler flowing, water temperature is higher.
Several airflow channels are equipped in the heat exchange filler, the packing layer between adjacent two airflow channel exchanges heat as water flow
Channel, each airflow channel extend transversely through heat exchange filler and constitute air heat-exchange channel, air heat-exchange channel and heat exchange air overcurrent area
Connection, water flow heat exchanger channels are adjacently positioned with air heat-exchange channel spacing, are not connected to mutually；The injection direction of each water-distribution nozzle is opposite
Each water flow heat exchanger channels, so that circulating hot water is flowed through packing layer along water flow heat exchanger channels from top to bottom along the vertical direction, air-flow
Level flows outside convection current cooling tower to the air heat-exchange channel interior of packing layer along the cooling tower base radial direction of convection current.
For a kind of optimization of the invention, convection current cooling tower includes the exhaust straight section of interior hollow cylinder shape and is connected to exhaust directly
The round table-like pedestal of the interior sky of section lower end, pedestal are provided with several heat exchange air overcurrents area radially around, and exchange heat air overcurrent
Being respectively set in area several has heat exchange filler unit.
For a kind of optimization of the invention, the height h ratio of the height H and pedestal that are vented straight section are 4:1~8:1；Exhaust is straight
The diameter d of section and the circular diameter D ratio of base bottom are 1:2~1:5.
For a kind of optimization of the invention, pedestal is radially provided with several convection mouths, and heat exchange air overcurrent area is built by sealing plate
It forms, transverse ends are penetrating, and side of the outside in each air overcurrent area that exchanges heat respectively with each heat exchange filler unit is tightly connected.
Each convection mouth docks with each heat exchange air overcurrent area and surrounds sealing state on pedestal, for the high temperature air after heat exchange to be guided to
The discharge of convection current cooling tower straight section upper end outlet.Wherein several heat exchange filler units close cloth in a ring outside the cooling tower base of convection current
It sets and surrounds.
For a kind of optimization of the invention, circulating water pool is externally provided with water circulating pump, draw water pipe end and the circulation of water circulating pump
Pond connection connection.
For a kind of optimization of the invention, 2~5 layers of heat exchange are vertically arranged with below main water distribution spraying layer in stuffing box body and are filled out
Material, adjacent two heat exchange, 100~500mm of filler spacing；Water diversion disk height is 100-400mm.
For a kind of optimization of the invention, the radial side of pedestal is distributed setting multiple heat exchange air overcurrents area in a ring,
Each heat exchange filler unit is respectively arranged in each heat exchange air overcurrent area.
For a kind of optimization of the invention, pedestal side is provided with maintenance door.
A kind for the treatment of process of the free convection cooling tower systems based on temperature difference heat exchange, includes the following steps: high temperature circulation
Hot water is entered in stuffing box body by inlet pipeline, and is evenly distributed to first order heat exchange below through the main water distribution spray thrower in top and is filled out
In each water flow heat exchanger channels of material, uniformly flow downward along each water flow heat exchanger channels wall surface under the effect of gravity；Low temperature environment is empty
Gas horizontally passes through each airflow channel of heat exchange filler to right in convection current cooling tower under the power drive of extricating oneself of high temperature air
Flowing in cooling tower is flowed, exchanged heat, cooled down to high temperature circulation hot water by the filler that exchanges heat, the high temperature air for completing heat exchange enters
Convection current cooling tower simultaneously flows up discharge cooling tower systems under power effect of extricating oneself, low after several layers filler completes heat exchange
It is flow to the circulating water pool positioned at the cooling tower bottom of convection current from the overflow port of the filler bottom of box after warm recirculated water, is arranged by water circulating pump
It recycles out.
Compared with the background technology, the present invention, comprising:
1. carry out subregion flowing to high temperature circulation hot water and cold ambient air temperature in heat exchange filler, high temperature circulation hot water with
Cold ambient air temperature carries out indirect heat exchange by heat exchange filler, and heat transfer process only has heat transfer, evaporates without moisture, not only keeps away
Water resource utility model caused by having exempted from because of traditional cooling tower heat transfer process, while the white cigarette for eliminating the generation of cooling tower heat transfer process is existing
As；
2. by the air heat-exchange channel of heat exchange filler unit, heat exchange air overcurrent area, the convection mouth of pedestal, exhaust straight section
Exhaust passage constitute heat exchange air from circulation road, using completing the buoyancy energy of heat exchange high temperature air as the driving of cold source
Power significantly reduces the cooling fortune of high temperature circulation water without external energy driving cold source operating in high temperature circulation water operational process
Row cost；
3. realizing high temperature circulation water in water flow by gas-liquid subregion in the uniform cloth liquid of water distribution spray thrower and heat exchange filler unit
Channel wall forms moisture film, and the heat transfer coefficient between recirculated water and filler is significantly increased, and improves heat exchange efficiency；Simultaneously by up and down
Water diversion disk among two layers of packing layer carries out cold/hot water displacement, and heat exchange efficiency and the heat exchange for further increasing recirculated water are uniform
Property, realize that entire heat transfer process only has water, temperature degree to change, and no moisture drain evaporation is eliminated while saving water resource
Cooling tower white cigarette phenomenon.
Detailed description of the invention
Fig. 1 is that the free convection cooling tower systems based on temperature difference heat exchange build schematic diagram.
Fig. 2 is the structural schematic diagram of heat exchange filler unit, circulating water pool.
Fig. 3 is the mounting structure schematic diagram of water diversion disk, time water spraying layer and the filler that exchanges heat.
Fig. 4 is the structural schematic diagram of water diversion disk.
Fig. 5 is the implementation diagram that high temperature circulation hot water is entered filler cabinet by inlet pipeline.
Specific embodiment
Embodiment: referring to Fig.1-5.A kind of free convection cooling tower systems based on temperature difference heat exchange, convection current cooling tower 1 are right
Stream 1 bottom periphery of cooling tower is provided with several heat exchange air overcurrents area 2, is provided with several heat exchange in each air overcurrent area 2 that exchanges heat
Filler unit 3 is provided with circulating water pool 4 below the filler unit 3 that exchanges heat, and the heat exchange filler unit 3 includes filler cabinet 31, leads
Water distribution spray thrower 32, heat exchange filler 33, water diversion disk 34, overflow port 35 and time water spraying layer 36,31 both lateral sides of filler cabinet
Perforation, main water distribution spraying layer 32 are located at 31 inner top of filler cabinet, and main 32 lower section longitudinal direction of water distribution spraying layer is set in filler cabinet 31
It is equipped with several layers heat exchange filler 33, is respectively arranged with water diversion disk 34, each water diversion disk 34 between two longitudinally adjacent heat exchange fillers 33
Lower section is provided with time water spray thrower 36, and 31 bottom of filler cabinet is equipped with overflow port 35, and the overflow port 35 passes through overflow pipe
It is distributed in 4 top of circulating water pool.Each water diversion disk upper/lower terminal is docked with upper and lower adjacent heat exchange filler 33 respectively；
Circulating water pool 4 is externally provided with water circulating pump 5, and the pipe end that draws water of water circulating pump 5 is connected to connection with circulating water pool 4.
Preferably, 2~5 layers of heat exchange filler 33, phase are vertically arranged in filler cabinet 31 below main water distribution spraying layer 32
Two heat exchange 33 100~500mm of spacing of filler of neighbour；34 height of water diversion disk is 100-400mm.
The water diversion disk 34 includes connection cabinet 341, intermediate bulkhead 342, dividing plate (344), distributive pipe 343, connection
Laterally layered partition (344), longitudinal direction are divided into upper left area through intermediate bulkhead 342, by connection cabinet 341 in cabinet 341
34a, upper right area 34b, lower-left area 34c, bottom right area 34d, connection 341 bottom of cabinet are respectively equipped with several and lower-left area 34c, bottom right
The aperture 340 of area 34d connection connection, the time water spray thrower 36 include several water-distribution nozzles 361, each water-distribution nozzle 361 with
Each aperture 340 connects, and upper right area 34b passes through distributive pipe 343 with bottom right area 34d with lower-left area 34c, upper left area 34a respectively and is connected to
Connection；The heat exchange filler 33 is in shell structure, in be equipped with several airflow channels 331, between adjacent two airflow channel 331
As water flow heat exchanger channels 332, each airflow channel 331 extends transversely through heat exchange filler 33 and constitutes air heat-exchange channel packing layer, empty
Gas heat exchanger channels are connected to heat exchange air overcurrent area 2；Relatively each water flow heat exchanger channels 332 of the injection direction of each water-distribution nozzle 361.
Water flow heat exchanger channels 332 are respectively separated with airflow channel 331 and are adjacently positioned, and are not connected to mutually；Each water-distribution nozzle 361
Relatively each water flow heat exchanger channels 332 of injection direction.The water diversion disk 34 is located between neighbouring two heat exchange filler 33, for cutting
The spray position that the recirculated water that every layer of heat exchange filler 33 accumulates in its downside water diversion disk 34 flows into next heat exchange filler 33 is changed, is protected
Card recirculated water uniformly cools down, and improves circulating water efficiency；It is influenced by heat transfer process ambient air temperature raising, i.e., due to outside
Upper water diversion disk recirculated water exchanges heat in top layer heat exchange 33 flow process of filler with outside cold ambient air temperature, and water temperature is lower；Inside
For upper water diversion disk recirculated water with inside hot environment air heat-exchange during top layer heat exchange filler flowing, water temperature is higher；Therefore it is directed to
The medial and lateral recirculated water for flowing into next heat exchange filler 33 switches over.As preferred: 34 height of water diversion disk is 0.1~0.5m.
Exhaust straight section 11 of the convection current cooling tower 1 including interior hollow cylinder shape and the interior sky for being connected to exhaust straight section lower end are round table-like
Pedestal 12, pedestal 12 is provided with several heat exchange air overcurrents area 2 radially around, is respectively set in the air overcurrent area 2 that exchanges heat
It is several to have heat exchange filler unit 3.
The height h ratio of the height H and pedestal 12 that are vented straight section 11 are 4:1~8:1；It is vented the diameter d and pedestal of straight section 11
The circular diameter D ratio of 12 bottoms is 1:2~1:5.Pedestal 12 is radially provided with convection mouth 121, and heat exchange air overcurrent area 2 is taken by sealing plate 21
Build, transverse ends are penetrating, heat exchange air overcurrent area 2 one end docked with convection mouth 121, the other end then with exchange heat filler
The side sealing-in of unit 3, i.e. 3 outside of heat exchange filler unit surround sealing state with heat exchange 2 lateral ends of air overcurrent area, are used for
Then high temperature air water conservancy diversion after the filler unit 3 that will exchange heat exchanges heat is directed at convection current cooling tower 1 by heat exchange air overcurrent area 2
11 upper end outlet of exhaust straight section discharge, i.e., circulating hot water flow longitudinally through heat exchange filler 33, through water flow inside heat exchanger channels 332 from
Upper flow down, heat exchange flow level are laterally cooling to convection current through airflow channel 331, heat exchange air overcurrent area 2, convection mouth 121
11 internal flow of exhaust straight section of tower 1, through exhaust 11 upper end outlet of straight section discharge.
The radial side of pedestal 12 is distributed setting multiple heat exchange air overcurrents area 2 in a ring, and each filler unit 3 that exchanges heat is distinguished
It is arranged in each heat exchange air overcurrent area 2；2 side of pedestal is provided with maintenance door 6.To make each heat exchange filler unit in convection current
It is circularized around the outer close arrangement of 1 pedestal of cooling tower 12.12 side of pedestal is provided with maintenance door 6.
Embodiment 2, referring to Fig.1-5.On the basis of embodiment 1, a kind of free convection cooling tower based on temperature difference heat exchange
The treatment process of system includes the following steps: that high temperature circulation hot water 9 is entered in filler cabinet 31 by inlet pipeline 7, and through top
Main water distribution spray thrower 32 is evenly distributed in each water flow heat exchanger channels 332 of the filler 33 of first order heat exchange below, is made in gravity
It is uniformly flowed downward with each 332 wall surface of water flow heat exchanger channels of lower edge；The high temperature air in convection current cooling tower 1 of cold ambient air temperature 8
Extricate oneself under power drive, horizontally pass through heat exchange filler 33 each airflow channel 331 flowed into convection current cooling tower 1, lead to
Heat exchange filler 33 is crossed to exchange heat to high temperature circulation hot water, cool down, complete heat exchange high temperature air enter convection current cooling tower 1 and
Discharge cooling tower systems are flowed up under power of extricating oneself effect, from filling out after the low-temperature circulating water after several layers filler completes heat exchange
35 overflow of overflow port of 31 bottom of hopper body is followed to the circulating water pool 4 for being located at 1 bottom of convection current cooling tower by the discharge of water circulating pump 5
Ring utilizes.The circulating hot water that wherein top layer heat exchange filler 33 completes heat exchange enters the water diversion disk 34 on the downside of it, is there is water diversion disk 34
The medial and lateral recirculated water for flowing into next heat exchange filler 33 is switched over；And so on, it exchanges heat and drops by multi-stage heat exchanger filler 33
Wen Houcai is from 35 overflow of overflow port of 31 bottom of filler cabinet to the circulating water pool 4 for being located at 1 bottom of convection current cooling tower.
It is to be understood that: although the present embodiment contrasts detailed description to the present invention, these explanations, only
It is to simple declaration of the invention, rather than limiting the invention, any invention without departing from true spirit is created
It makes, each falls within protection scope of the present invention.
Claims (9)
1. a kind of free convection cooling tower systems based on temperature difference heat exchange, it is characterised in that convection current cooling tower (1), convection current cooling tower
(1) bottom periphery is provided with several heat exchange air overcurrents area (2), and several heat exchange are provided in each heat exchange air overcurrent area (2) and are filled out
Material unit (3), heat exchange filler unit (3) lower section are provided with circulating water pool (4), and the heat exchange filler unit (3) includes stuffing box
Body (31), main water distribution spray thrower (32), heat exchange filler (33), water diversion disk (34), overflow port (35) and time water spraying layer (36),
The perforation of filler cabinet (31) both lateral sides, main water distribution spraying layer (32) are located at filler cabinet (31) inner top, filler cabinet (31)
Be vertically arranged with several layers heat exchange filler (33) below interior main water distribution spraying layer (32), two longitudinally adjacent heat exchange filler (33) it
Between be respectively arranged with water diversion disk (34), be provided with time water spray thrower (36) below each water diversion disk (34), filler cabinet (31) bottom
Portion is equipped with overflow port (35), and the overflow port (35) is distributed in above circulating water pool (4) by overflow pipe.
2. the free convection cooling tower systems according to claim 1 based on temperature difference heat exchange, it is characterised in that pedestal (12)
Radial side be distributed setting multiple heat exchange air overcurrents area (2) in a ring, respectively heat exchange filler unit (3) is respectively arranged in respectively changing
In hot-air overcurrent area (2)；Pedestal (12) side is provided with maintenance door (6).
3. the free convection cooling tower systems according to claim 1 based on temperature difference heat exchange, it is characterised in that described to divide water
Disk (34) includes connection cabinet (341), intermediate bulkhead (342), dividing plate (344), distributive pipe (343), is connected cabinet (341)
The interior layered partition of transverse direction (344), longitudinal direction through intermediate bulkhead (342), will connection cabinet (341) be divided into upper left area (34a),
Upper right area (34b), lower-left area (34c), bottom right area (34d), connection cabinet (341) bottom are respectively equipped with several and lower-left area
The aperture (340) of (34c), bottom right area (34d) connection connection, the time water spray thrower (36) includes several water-distribution nozzles
(361), each water-distribution nozzle (361) connect with each aperture (340), upper right area (34b) and lower-left area (34c), upper left area (34a) with
Bottom right area (34d) passes through distributive pipe (343) connection connection respectively.
4. the free convection cooling tower systems according to claim 1 based on temperature difference heat exchange, it is characterised in that the heat exchange
Several airflow channels (331) are equipped in filler (33), the packing layer between adjacent two airflow channel (331) is logical as water flow heat exchange
Road (332), each airflow channel (331) extend transversely through heat exchange filler (33) constitute air heat-exchange channel, air heat-exchange channel with change
Hot-air overcurrent area (2) connection；Relatively each water flow heat exchanger channels (332) of the injection direction of each water-distribution nozzle (361).
5. the free convection cooling tower systems according to claim 1 based on temperature difference heat exchange, it is characterised in that convection current is cooling
Tower (1) includes the exhaust straight section (11) of interior hollow cylinder shape and the round table-like pedestal (12) of interior sky for being connected to exhaust straight section lower end,
Pedestal (12) is provided with several heat exchange air overcurrents area (2) radially around, is respectively set in heat exchange air overcurrent area (2) several
There are heat exchange filler unit (3).
6. the free convection cooling tower systems according to claim 5 based on temperature difference heat exchange, it is characterised in that exhaust straight section
(11) the height h ratio of height H and pedestal (12) are 4:1~8:1；It is vented diameter d and pedestal (12) bottom of straight section (11)
Circular diameter D ratio is 1:2~1:5.
7. the free convection cooling tower systems according to claim 1 based on temperature difference heat exchange, it is characterised in that heat exchange air
Overcurrent area (2) is built by sealing plate (21), and transverse ends are penetrating, it is each exchange heat air overcurrent area (2) outside respectively and respectively
The side of heat exchange filler unit (3) is tightly connected.
8. the free convection cooling tower systems according to claim 1 based on temperature difference heat exchange, it is characterised in that filler cabinet
(31) 2~5 layers of heat exchange filler (33), adjacent two heat exchange filler (33) spacing are vertically arranged in below main water distribution spraying layer (32)
100~500mm；Water diversion disk (34) is highly 100-400mm.
9. a kind for the treatment of process of the free convection cooling tower systems based on temperature difference heat exchange, it is characterised in that include the following steps:
High temperature circulation hot water (9) is entered in filler cabinet (31) by inlet pipeline (7), and is uniformly divided through the main water distribution spray thrower (32) in top
In cloth to each water flow heat exchanger channels (332) of the heat exchange of the first order below filler (33), exchange heat under the effect of gravity along each water flow
Channel (332) wall surface uniformly flows downward；Cold ambient air temperature (8) drives convection current cooling tower (1) interior high temperature air from pull out force
Under dynamic, each airflow channel (331) flowing into convection current cooling tower (1) of heat exchange filler (33) is horizontally passed through, by changing
Hot filler (33) exchanges heat to high temperature circulation hot water, is cooled down, complete heat exchange high temperature air enter convection current cooling tower (1) and
Discharge cooling tower systems are flowed up under power of extricating oneself effect, from filling out after the low-temperature circulating water after several layers filler completes heat exchange
Overflow port (35) overflow of hopper body (31) bottom is to the circulating water pool (4) for being located at convection current cooling tower (1) bottom, by water circulating pump
(5) discharge recycles.
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| CN109631614B CN109631614B (en) | 2020-10-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500898A (en) * | 2019-08-21 | 2019-11-26 | 武奋超 | Cold water method and cold water equipment |
| CN112628791A (en) * | 2020-12-11 | 2021-04-09 | 新疆天富环保科技有限公司 | System and method for preheating air supply of boiler by using desulfurization slurry |
| CN112675675A (en) * | 2020-12-11 | 2021-04-20 | 杭州蕴泽环境科技有限公司 | Desulfurization slurry waste heat recovery system and method |
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| JPH03230099A (en) * | 1990-02-01 | 1991-10-14 | Shimizu Corp | Heat exchanger |
| JP2012163266A (en) * | 2011-02-08 | 2012-08-30 | Jfe Steel Corp | Installation method of eliminator of cooling tower |
| CN202973950U (en) * | 2012-11-22 | 2013-06-05 | 张育仁 | Low-temperature cooling tower |
| CN205505785U (en) * | 2016-03-14 | 2016-08-24 | 广州览讯科技开发有限公司 | Water conservation fog dispersal crossflow cooling tower |
| CN206177071U (en) * | 2016-10-28 | 2017-05-17 | 大连斯频德环境设备有限公司 | Can prevent multi - layer packing formula cooling tower of cooling efficiency decline |
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| CN110500898A (en) * | 2019-08-21 | 2019-11-26 | 武奋超 | Cold water method and cold water equipment |
| CN112628791A (en) * | 2020-12-11 | 2021-04-09 | 新疆天富环保科技有限公司 | System and method for preheating air supply of boiler by using desulfurization slurry |
| CN112675675A (en) * | 2020-12-11 | 2021-04-20 | 杭州蕴泽环境科技有限公司 | Desulfurization slurry waste heat recovery system and method |
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Denomination of invention: A Natural convection cooling tower system based on temperature difference heat exchange and its treatment process Effective date of registration: 20230718 Granted publication date: 20201002 Pledgee: Hangzhou Gaoxin Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU YUNZE ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2023330001516 |