CN107817267A - The visual testing platform that a kind of porous media hydraulic characteristic(s) and caloic exchange - Google Patents
The visual testing platform that a kind of porous media hydraulic characteristic(s) and caloic exchange Download PDFInfo
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- CN107817267A CN107817267A CN201710874958.7A CN201710874958A CN107817267A CN 107817267 A CN107817267 A CN 107817267A CN 201710874958 A CN201710874958 A CN 201710874958A CN 107817267 A CN107817267 A CN 107817267A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses the visual testing platform that a kind of porous media hydraulic characteristic(s) and caloic exchange, platform includes cooling tower tower body, air-intake device and circulating water device；Cooling tower tower body includes shell, dehydrater, filling block, and lower section is provided with air chamber, and air-intake device is connected with air chamber；Circulating water device includes recovery pond, constant temperature water tank, water circulating pump, electromagnetic flowmeter, water dispenser, shunt valve and filter；Air-intake device includes centrifugal blower, air intake heater, seam humidifier and the air air intake honeycomb screen being arranged in air chamber.The present invention is by filler block changing device when testing different porous media waterpower and Heat and Mass Transfer Characteristics, both filler can conveniently be changed, the position height of filler in experiment can be changed within the specific limits again, while the transparent tower body of cooling tower can realize the visualization to different porous media Heat and Mass Transfer Characteristics test process.
Description
Technical field
The present invention relates to the visual testing platform that a kind of porous media hydraulic characteristic(s) and caloic exchange, belong to thermal measurement
Technical field.
Background technology
Reverse-flow wet cooling tower is widely used in the every field such as electric power, chemical industry as important heat transmission equipment, is used for
Cool down the higher water of temperature come out from condenser and process equipment etc. or other media.Cooled medium is pressurizeed by cooling water pump
It is delivered in the distribution pipe of cooling tower, is then sprayed through nozzle onto porous media, at the same time, surrounding air is taken out due to tower
Suction effect sucks from bottom of towe surrounding, and carrying out sufficient caloic with cooled medium exchanges.Porous media filling block is that cooling tower follows
The critical component of ring cooling, the quality of its thermal property have a major impact for cooling tower heat exchange efficiency.
In wet cooling tower, the cooling effectiveness of packing is up to 50% to 70%.The work of porous media packing
With being that the hot water for spraying out water dispensing apparatus is dispersed into moisture film or fine drop, extend contact of the air with water to greatest extent
Time, increase both contacts area, so that water and air can carry out effective heat, mass transter, therefore to porous media
The test and measurement of filler hydraulic characteristic(s) and Heat and Mass Transfer Characteristics seem for optimizing filling-material structure and improving its thermal property
It is particularly critical while also most important to improving cooling tower power-saving technology.
The content of the invention
In view of this, the present invention is directed to propose a kind of visualization for measuring porous media hydraulic characteristic(s) and Heat and Mass Transfer Characteristics
Test platform, both can be conveniently fast by filler block changing device when testing different porous media waterpower and Heat and Mass Transfer Characteristics
Prompt replacing filler, the position height of filler in experiment can be changed within the specific limits again.
To reach above-mentioned purpose, what the scheme of the invention was realized in：
The visual testing platform that a kind of porous media hydraulic characteristic(s) and caloic exchange, the platform include cooling tower
Body, air-intake device and circulating water device；
The cooling tower tower body includes shell, is arranged on the dehydrater of tower body inner upper, the medium position inside tower body
Filling block is set, is provided with air chamber below the cooling tower tower body, the air-intake device is connected with air chamber；
The circulating water device includes recovery pond, constant temperature water tank, water circulating pump, electromagnetic flowmeter, water dispenser, bypass
Pipe and filter；The recovery pond is located at below filling block, and embedded in air chamber, passes through outlet pipe
It is connected with constant temperature water tank, tank filler opening, electric heater is set in the constant temperature water tank, the water circulating pump and constant temperature water tank
Bottom connects, and the export pipeline of water circulating pump is divided into two-way, and a pipeline is connected to constant temperature water tank, another pipe by shunt valve
Road connects water dispenser, sets electromagnetic flowmeter on pipeline, sets filter between the electromagnetic flowmeter and water circulating pump, institute
State water dispenser to be located in cooling tower body, between dehydrater and filling block；
The air-intake device includes centrifugal blower, air intake heater, seam humidifier and is arranged in air chamber
Air air intake honeycomb screen, the centrifugal blower, air intake heater, seam humidifier pass sequentially through pipeline connection air distribution
Room.
Preferably, the pressure tap of above-mentioned difference gauge is arranged in cooling tower tower body surrounding, positioned at filling block upper and lower end
At the contour center corresponding with cooling column body of face, each four, a diameter of 4mm on every contour, measured using digital micro-pressure-difference
The differential air that amount is passed through before and after filling block.
Preferably, temperature controller and the first thermometric being connected with temperature controller is set to visit in above-mentioned constant temperature water tank
Head, described temperature controller one end connect the first temperature probe, other end connection electric heater；Second is set in the air chamber
Temperature probe, upper end sets the 3rd temperature probe in the cooling tower, and second temperature probe and the 3rd temperature probe connect
It is connected to digital wet and dry bulb temperature instrument.
Preferably, platinum resistance temperature sensor, the platinum resistance temperature are set at the Inlet and outlet water of above-mentioned cooling tower
Sensor is arranged in the temperature-measuring casing of the shower water inducer of water dispenser and recovery pond leads to the pipeline of constant temperature water tank
On；Pressure gauge is set on pipeline between the air inlet end and electromagnetic flowmeter and water dispenser of the air chamber.
Preferably, above-mentioned platform also includes filler block changing device, and the filler block changing device includes removable
Dynamic filling block support frame, movable filler block support frame respectively have a spur gear before and after two sides, with being fixed on cooling inner wall of tower
Rack is engaged, and on the track that movable filler block support frame is disposed below, track is connected with shell, and rail is set below track
Road fixed mount, track fixed mount are fixed with both sides inside cooling tower body.
Preferably, above-mentioned cooling tower tower body is assembled using transparent plexiglass plate, at the top of cooling tower tower body
Support frame and roller are installed, suspension arm is provided with below roller, suspension arm one end is fixed on cooling tower tower body, other end peace
Equipped with first pulley, while second pulley is also equipped with cooling tower body side surface, the roller and first pulley, second pulley
On be wound with steel wire, described steel wire one end is fixed on roller, and the other end passes through first pulley and second pulley, is fixed on removable
On filling block support frame, the roller side is connected with rocking bar, and rotating steel wire by rocking bar changes movable filler block support frame
Height, so as to change the position height of filling block in test process.
Preferably, above-mentioned filler block changing device upper and lower end face uses the fin engagement sealing with inclination angle, wing
The inclination angle of piece and horizontal plane is 8 ° -12 °, and left and right side is sealed using labyrinth, and strip of paper used for sealing is in square-wave form.
Preferably, above-mentioned recovery basin bottom carries inclination angle to constant temperature water tank direction, and inclination angle is used for deposition cycle
Impurity in water system, the outlet pipe connection recovery pond in the recovery pond and constant temperature water tank, its Surface coating one layer of heat preservation
Layer, outlet pipe are highly higher than inclination angle bottom 3-5cm.
After preferably, above-mentioned air air intake honeycomb screen hole distribution is simulated and optimized by FLUENT softwares
Go out, in 11 × 7 arrangements, increase successively from air inlet near-end to distal end hole diameter.
Preferably, above-mentioned water dispenser uses tubular type pressure water distribution, is equidistantly rearranged by 5 steel pipes, often
The equidistant perforate of root steel pipe bottom is simultaneously equipped with nozzle, opening diameter 8mm.
The beneficial effect that the present invention is reached：
The visual testing platform that the measurement porous media hydraulic characteristic(s) and caloic that present example provides exchange, including it is cold
But tower tower body, air-intake device and circulating water device, the interior top of the cooling tower body are provided with dehydrater, and interlude, which is provided with, to be filled out
Material block and filler block changing device, lower section are provided with air chamber；The air-intake device is connected with air chamber, bag
Include centrifugal blower, air intake heater, seam humidifier and air intake honeycomb screen；The circulating water device includes receiving pond, constant temperature
Water tank, water circulating pump, shunt valve, filter, electromagnetic flowmeter, water dispenser etc..The present invention is existed by filler block changing device
When testing different porous media waterpower and Heat and Mass Transfer Characteristics, filler both can be conveniently changed, again can be within the specific limits
Change the position height of filler in experiment, the transparent tower body of cooling tower, which can be realized, to be tested different porous media Heat and Mass Transfer Characteristics
The visualization of journey.
Brief description of the drawings
Fig. 1 is that the visual testing that the measurement porous media hydraulic characteristic(s) that embodiment of the present invention provides and caloic exchange is put down
The system diagram of platform；
Fig. 2 is cooling tower body case figure；
Fig. 3 is that filling block changes apparatus structure schematic diagram；
Fig. 4 is filling block support frame structure diagram；
Fig. 5 is air honeycomb screen structural representation；
Fig. 6 is that outer panels upper and lower end face engages sealing schematic diagram with cooling tower tower body fin；
Fig. 7 is outer panels left and right sides and cooling tower tower body labyrinth envelope schematic diagram；
Fig. 8 is the specific embodiment for the visual testing platform that a kind of porous media hydraulic characteristic(s) of the present invention and caloic exchange
One of schematic diagram；
Fig. 9 is the specific embodiment for the visual testing platform that a kind of porous media hydraulic characteristic(s) of the present invention and caloic exchange
The two of schematic diagram；
Figure 10 is the specific implementation for the visual testing platform that a kind of porous media hydraulic characteristic(s) of the present invention and caloic exchange
Illustrate the three of intention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, the visual testing platform that a kind of porous media hydraulic characteristic(s) and caloic exchange, platform include cooling
Tower tower body, air-intake device and circulating water device；
Cooling tower tower body includes shell 34, is arranged on the dehydrater 12 of tower body inner upper, the medium position inside tower body
Filling block 5 is set, is provided with air chamber 8 below cooling tower tower body, air-intake device is connected with air chamber 8；
Circulating water device includes recovery pond 6, constant temperature water tank 1, water circulating pump 2, electromagnetic flowmeter 3, water dispenser 4, side
Road pipe 15 and filter 16；Recovery pond 6 is located at the lower section of filling block 5, and embedded in air chamber 8, passes through
Outlet pipe is connected with constant temperature water tank 1, and tank filler opening 19, electric heater 14, water circulating pump 2 and constant temperature are set in constant temperature water tank 1
The bottom connection of water tank 1, the export pipeline of water circulating pump 2 are divided into two-way, and a pipeline is connected to thermostatted water by shunt valve 15
Case 1, another pipeline connection water dispenser 4, electromagnetic flowmeter 3 is set, between electromagnetic flowmeter 3 and water circulating pump 2 on pipeline
Filter 16 is set, and electromagnetic flowmeter 3 is opened during normal work, and WATER AS FLOW MEDIUM is pipelined to water dispenser 4 and carries out water drenching
Test, when water temperature is relatively low, electromagnetic flowmeter 3 is closed, opens shunt valve 15, allow itself and water circulating pump 2 to form loop, can be short
Circulating-heating WATER AS FLOW MEDIUM is to test request in time, and filter 16 between water circulating pump 2 and electromagnetic flowmeter 3, match somebody with somebody by moisture
Device 4 is located in cooling tower body, between dehydrater 12 and filling block 5.
Air-intake device includes centrifugal blower 7, air intake heater 9, seam humidifier 10 and is arranged in air chamber 8
Air air intake honeycomb screen 11, centrifugal blower 7, air intake heater 9, seam humidifier 10 pass sequentially through pipeline connection air distribution
Room 8, wind are heated by blower fan 7 by heater 9, and seam humidifier 10 enters air chamber 8 after humidifying.
Preferably, the pressure tap of above-mentioned difference gauge 18 is arranged in cooling tower tower body surrounding, upper and lower positioned at filling block
At the contour center corresponding with cooling column body of end face, each four on every contour, a diameter of 4mm, using digital pressure difference meter
The differential air that measurement is passed through before and after filling block.
Preferably, temperature controller 21 is set in above-mentioned constant temperature water tank 1 and is connected with temperature controller 21 first is surveyed
Temperature probe 13, described one end of temperature controller 21 connect the first temperature probe 13, other end connection electric heater 14；
Second temperature probe 17 is set in air chamber 8, measures the t in Fig. 1aiAnd τai；
Upper end sets the 3rd temperature probe 20 in cooling tower, measures the t in Fig. 1aoAnd τao,
Second temperature probe 17 and the 3rd temperature probe 20 are all connected to digital wet and dry bulb temperature instrument.
Platinum resistance temperature sensor is set at the Inlet and outlet water of above-mentioned cooling tower, and the platinum resistance temperature sensor is arranged on water
In the temperature-measuring casing of the shower water inducer of distributor 4 and recovery pond 6 leads on the pipeline of constant temperature water tank 1, each temperature
Degree is layouted using multiple PT100 sensors, and measurement result is averaged.
Pressure is set on pipeline between the air inlet end and electromagnetic flowmeter 3 and water dispenser 4 of air chamber 8
Table.
Preferably, the above-mentioned bottom of recovery pond 6 carries inclination angle to the direction of constant temperature water tank 1, and inclination angle is followed for deposition
Impurity in ring water system, outlet pipe connection recovery pond 6 and constant temperature water tank 1, its Surface coating one layer of heat preservation in recovery pond 6
Layer, outlet pipe are highly higher than inclination angle bottom 3-5cm.
Preferably, above-mentioned water dispenser 4 uses tubular type pressure water distribution, is equidistantly rearranged by 5 steel pipes, often
The equidistant perforate of root steel pipe bottom is simultaneously equipped with nozzle, opening diameter 8mm.
As shown in Figure 3, Figure 4, above-mentioned platform also includes filler block changing device, and filler block changing device includes removable fill out
Expect block support frame 43, movable filler block support frame 43 respectively has a spur gear 46 before and after two sides, with being fixed on cooling inner wall of tower
Rack 47 engage, on the track 44 that movable filler block support frame 43 is disposed below, track 44 is connected with shell 34, track
44 lower sections are provided with track fixed mount 45, and track fixed mount 45 is fixed with both sides inside cooling tower body.
As shown in Fig. 2 above-mentioned cooling tower tower body is assembled using transparent plexiglass plate, installed at the top of cooling tower tower body
There are support frame 35 and roller 37, be provided with suspension arm 38 below roller, the one end of suspension arm 38 is fixed on cooling tower tower body, another
End is provided with first pulley 39, while second pulley 40 is also equipped with cooling tower body side surface, roller 37 and first pulley 39,
Steel wire 41 is wound with second pulley 40, the one end of steel wire 41 is fixed on roller 37, and the other end is slided through first pulley 39 and second
Wheel 40, is fixed on movable filler block support frame 43, and the side of roller 37 is connected with rocking bar 36, and steel wire 41 is rotated by rocking bar 36
Change the height of movable filler block support frame 43, so as to change the position height of filling block 5 in test process.
As shown in Figure 6, Figure 7, above-mentioned filler block changing device upper and lower end face uses the fin engagement sealing with inclination angle, wing
The inclination angle of piece and horizontal plane is 8 ° -12 °, and left and right side is sealed using labyrinth, and strip of paper used for sealing is in square-wave form.
As shown in figure 5, the distribution of the above-mentioned hole of air air intake honeycomb screen 11 is simulated by FLUENT softwares and drawn after optimizing,
In 11 × 7 arrangements, increase successively from air inlet near-end to distal end hole diameter, ensure that test wind coincide with natural wind operating mode, nothing
Disturbance and turbulent flow.
Embodiment：
The present invention is tested to the hydraulic characteristic(s) and heat and mass transfer performance that are loaded with FCP-08 type ceramic foam packing blocks,
Filler disengaging water temperature difference, total heat exchange amount and heat exchanger effectiveness are analyzed with the changing rule for entering tower water temperature and gas-water ratio, is somebody's turn to do
The disengaging water temperature difference of filler, heat exchanger effectiveness with gas-water ratio and enter the increase of tower water temperature and increased, and total heat exchange amount is with air water
The increase first increases and then decreases of ratio, reach the conclusion of maximum between 1.5-1.6 in gas-water ratio.
To ensure the intuitive and comparability of measurement process, ensure as far as possible into tower air wet and dry bulb temperature in measurement process
Stablize it is constant, dry-bulb temperature be 25 DEG C, wet-bulb temperature control at 22 DEG C.Shower water mass flow takes successively：7.0m3/h、8.0m3/
h、9.0m3/h、10.0m3/h、11m3/h、12m3/h、13m3Totally 7 values, cooling tower enter tower water temperature and take 32 DEG C, 35 DEG C, 38 DEG C three/h
Individual temperature.
Testing process and principle are as follows：After shower water reaches setting inlet temperature of stabilizer in constant temperature water tank 1 by circulating-heating, lead to
Cross the top that water circulating pump 2 enters cooling tower through electromagnetic flowmeter 3.Measurement cooling tower enters tower water temperature (twi) after, shower water is through water
Distributor 4 is uniformly sprayed on test filling block 5, and hot water cools down during passing downwardly through filler with air contact, Ran Houluo
Enter to reclaim in pond 6, measurement cooling tower outlet water temperature (two) after, shower water is back to after constant temperature water tank 1 is heated and recycled.
Due to evaporation, the water level of constant temperature water tank 1 is gradually reduced, from tank filler opening 19 to its moisturizing.Air is by centrifugal blower 7 by entering
Wind heater 9 and seam humidifier 10, into the air chamber 8 equipped with flow straightening grid 11, measure into air before filler
Wet and dry bulb temperature (taiAnd τai).Air from cooling tower bottom surrounding even into, be upward through during filler with shower water
Generation heat, mass transter, air humidity increase, before tower body is left, air is by dehydrater 12, by the entrained drip in humid air
Capture and return to filling block 5, reduce water rate of floaing.Air is discharged into before air, measures the wet and dry bulb temperature (t of tower airao
And τao)。
Fig. 8 is the specific embodiment for the visual testing platform that a kind of porous media hydraulic characteristic(s) of the present invention and caloic exchange
One of schematic diagram.As shown in figure 8, pass in and out change of the water temperature difference with gas-water ratio for FCP-08 types ceramic foam packing.
Fig. 9 is the specific embodiment for the visual testing platform that a kind of porous media hydraulic characteristic(s) of the present invention and caloic exchange
The two of schematic diagram.As shown in figure 9, it is the total heat exchange amount of FCP-08 type ceramic foam packings and the relation of gas-water ratio.
Figure 10 is the specific implementation for the visual testing platform that a kind of porous media hydraulic characteristic(s) of the present invention and caloic exchange
Illustrate the three of intention.As shown in Figure 10, the change for FCP-08 type ceramic foam packing heat exchanger effectiveness with gas-water ratio.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. visual testing platform that porous media hydraulic characteristic(s) and caloic exchange, it is characterised in that：The platform includes Cooling tower tower body, air-intake device and circulating water device；The cooling tower tower body includes shell（34）, it is arranged on the dehydrater of tower body inner upper（12）, the middle part inside tower body Position sets filling block（5）, the cooling tower tower body lower section is provided with air chamber（8）, the air-intake device and air divide With room（8）It is connected；The circulating water device includes recovery pond（6）, constant temperature water tank（1）, water circulating pump（2）, electromagnetic flowmeter（3）, moisture Orchestration（4）, shunt valve（15）And filter（16）；The recovery pond（6）Positioned at filling block（5）Lower section, and embedded peace Mounted in air chamber（8）It is interior, pass through outlet pipe and constant temperature water tank（1）It is connected, the constant temperature water tank（1）Interior setting water tank adds water Mouthful（19）, electric heater（14）, the water circulating pump（2）And constant temperature water tank（1）Bottom connection, water circulating pump（2）Outlet Pipeline is divided into two-way, and a pipeline passes through shunt valve（15）It is connected to constant temperature water tank（1）, another pipeline connection water dispenser （4）, electromagnetic flowmeter is set on pipeline（3）, the electromagnetic flowmeter（3）With water circulating pump（2）Between filter is set（16）, The water dispenser（4）In cooling tower body, positioned at dehydrater（12）With filling block（5）Between；The air-intake device includes centrifugal blower（7）, air intake heater（9）, seam humidifier（10）And it is arranged on air point With room（8）Interior air air intake honeycomb screen（11）, the centrifugal blower（7）, air intake heater（9）, seam humidifier（10）According to It is secondary to pass through pipeline connection air chamber（8）.
- 2. the visual testing platform that a kind of porous media hydraulic characteristic(s) according to claim 1 and caloic exchange, it is special Sign is：The difference gauge（18）Pressure tap be arranged in cooling tower tower body surrounding, positioned at the upper and lower end face of filling block and cooling tower Corresponding to body at contour center, each four, a diameter of 4mm on every contour, filler is passed through using the measurement of digital pressure difference meter Differential air before and after block.
- 3. the visual testing platform that a kind of porous media hydraulic characteristic(s) according to claim 1 and caloic exchange, it is special Sign is：The constant temperature water tank（1）Interior setting temperature controller（21）And and temperature controller（21）The first temperature probe being connected （13）, the temperature controller（21）One end connects the first temperature probe（13）, other end connection electric heater（14）；The air point With room（8）The second temperature probe of interior setting（17）, upper end sets the 3rd temperature probe in the cooling tower（20）, described second surveys Temperature probe（17）With the 3rd temperature probe（20）It is all connected to digital wet and dry bulb temperature instrument.
- 4. the visual testing platform that a kind of porous media hydraulic characteristic(s) according to claim 1 and caloic exchange, it is special Sign is：Platinum resistance temperature sensor is set at the Inlet and outlet water of the cooling tower, and the platinum resistance temperature sensor is arranged on water Distributor（4）Shower water inducer temperature-measuring casing in and recovery pond（6）Towards constant temperature water tank（1）Pipeline on；Institute State air chamber（8）Air inlet end and electromagnetic flowmeter（3）With water dispenser（4）Between pipeline on pressure is set Table.
- 5. the visual testing platform that a kind of porous media hydraulic characteristic(s) according to claim 1 and caloic exchange, it is special Sign is：The platform also includes filler block changing device, and the filler block changing device includes movable filler block support frame （43）, movable filler block support frame（43）Respectively there is a spur gear before and after two sides（46）, the tooth with being fixed on cooling inner wall of tower Bar（47）Engagement, movable filler block support frame（43）The track being disposed below（44）On, track（44）With shell（34）Phase Even, track（44）Lower section is provided with track fixed mount（45）, track fixed mount（45）Fixed with both sides inside cooling tower body.
- 6. the visual testing platform that a kind of porous media hydraulic characteristic(s) according to claim 1 and caloic exchange, it is special Sign is：The cooling tower tower body is assembled using transparent plexiglass plate, and support frame is provided with the top of cooling tower tower body （35）And roller（37）, roller lower section is provided with suspension arm（38）, suspension arm（38）One end is fixed on cooling tower tower body, another End is provided with first pulley（39）, while it is also equipped with second pulley on cooling tower body side surface（40）, the roller（37）And First pulley（39）, second pulley（40）On be wound with steel wire（41）, the steel wire（41）Roller is fixed in one end（37）On, separately One end passes through first pulley（39）With second pulley（40）, it is fixed on movable filler block support frame（43）On, the roller （37）Side is connected with rocking bar（36）, pass through rocking bar（36）Rotate steel wire（41）Change movable filler block support frame（43）Height Degree, so as to change filling block in test process（5）Position height.
- 7. the visual testing platform that a kind of porous media hydraulic characteristic(s) according to claim 5 and caloic exchange, it is special Sign is：The filler block changing device upper and lower end face uses the fin engagement sealing with inclination angle, and fin and horizontal plane incline Oblique angle is 8 ° -12 °, and left and right side is sealed using labyrinth, and strip of paper used for sealing is in square-wave form.
- 8. the visual testing platform that a kind of the porous media hydraulic characteristic(s) and caloic according to claims 1 exchange, its It is characterised by：The recovery pond（6）Bottom is to constant temperature water tank（1）Direction carries inclination angle, and inclination angle is used for deposition cycle water system In impurity, the recovery pond（6）Outlet pipe connection recovery pond（6）With constant temperature water tank（1）, one layer of guarantor of its Surface coating Warm layer, outlet pipe are highly higher than inclination angle bottom 3-5cm.
- 9. the visual testing platform that a kind of the porous media hydraulic characteristic(s) and caloic according to claims 1 exchange, its It is characterised by：The air air intake honeycomb screen（11）Hole distribution is simulated by FLUENT softwares and drawn after optimizing, in 11 × 7 Arrangement, increases successively from air inlet near-end to distal end hole diameter.
- 10. the visual testing platform that a kind of the porous media hydraulic characteristic(s) and caloic according to claims 1 exchange, its It is characterised by：The water dispenser（4）Using tubular type pressure water distribution, equidistantly rearranged by 5 steel pipes, every steel pipe bottom Equidistant perforate is simultaneously equipped with nozzle, opening diameter 8mm.
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Cited By (4)
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| CN109752407A (en) * | 2019-01-24 | 2019-05-14 | 安徽理工大学 | A kind of seepage flow HEAT TRANSFER LAW test device |
| CN110260705A (en) * | 2019-05-17 | 2019-09-20 | 华电电力科学研究院有限公司 | The counterflow cooling tower packing test device and method precisely adjusted based on air path system |
| CN112162007A (en) * | 2020-09-25 | 2021-01-01 | 大连斯频德环境设备有限公司 | Cooling tower filler performance experiment detecting system |
| CN117805010A (en) * | 2024-02-28 | 2024-04-02 | 江苏双辉环境科技有限公司 | Cooling tower packing performance experiment detection device |
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| CN109752407A (en) * | 2019-01-24 | 2019-05-14 | 安徽理工大学 | A kind of seepage flow HEAT TRANSFER LAW test device |
| CN110260705A (en) * | 2019-05-17 | 2019-09-20 | 华电电力科学研究院有限公司 | The counterflow cooling tower packing test device and method precisely adjusted based on air path system |
| CN110260705B (en) * | 2019-05-17 | 2024-04-19 | 华电电力科学研究院有限公司 | Working method of countercurrent cooling tower water spraying filler testing device based on accurate adjustment of air path system |
| CN112162007A (en) * | 2020-09-25 | 2021-01-01 | 大连斯频德环境设备有限公司 | Cooling tower filler performance experiment detecting system |
| CN117805010A (en) * | 2024-02-28 | 2024-04-02 | 江苏双辉环境科技有限公司 | Cooling tower packing performance experiment detection device |
| CN117805010B (en) * | 2024-02-28 | 2024-05-31 | 江苏双辉环境科技有限公司 | Cooling tower packing performance experiment detection device |
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