CN209371841U - A kind of liquid distribution device and closed cooling tower - Google Patents
A kind of liquid distribution device and closed cooling tower Download PDFInfo
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- CN209371841U CN209371841U CN201821749955.7U CN201821749955U CN209371841U CN 209371841 U CN209371841 U CN 209371841U CN 201821749955 U CN201821749955 U CN 201821749955U CN 209371841 U CN209371841 U CN 209371841U
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- liquid
- liquid distribution
- cooling tower
- distribution device
- downspout
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- 238000001816 cooling Methods 0.000 title claims abstract description 91
- 239000007788 liquid Substances 0.000 title claims abstract description 79
- 238000009826 distribution Methods 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 39
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 238000012856 packing Methods 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of liquid distribution device and closed cooling tower, the liquid distribution device includes several liquid distribution troughs, it includes bracket, liquid barrier, downspout, spray apertures and distribution grid bottom plate, liquid barrier is fixed on bracket, the catch basin of a upper opening is formed, downspout there are several, is tightly attached on cradle wall, bottom passes through distribution grid bottom plate and is fixed on distribution grid bottom plate, and the spray apertures are opened in cradle wall and downcomer wall and correspondence is connected to each downspout；It is fixedly connected between adjacent liquid distributors by distribution grid bottom plate.Closed cooling tower includes aforesaid liquid distribution apparatus, and heat exchange efficiency is high, overcomes existing cooling coil in closed cooling tower heat exchange efficiency poor, and shower water the problem of being unevenly distributed by cooling coil, to improve the cooling efficiency of cooling tower, reduce the volume of cooling tower, reduces energy consumption.
Description
Technical field
The present invention relates to a kind of circulating water cooling devices, concretely relate to liquid distribution device and including it
Closed cooling tower belongs to cooling equipment technical field.
Background technique
In the mass transfer apparatus that petrochemical industry produces and uses, liquid distribution trough is an important internals, it will enter filler
The liquid of bed or column plate is evenly distributed on filling batch or column plate, passes through filling batch or column plate under gravity,
It is uniformly contacted with uprising gas, meanwhile, liquid distribution trough also plays a part of distributing gas.To avoid mass transfer apparatus that ditch occurs
The bad Distribution Phenomenas such as stream, wall stream, come into full contact with gas-liquid two-phase, improve the efficiency of rectifying column, guarantee operational stability.
Cooling tower is a kind of efficient cooling equipment, and the main evaporation latent heat using water is taken away process fluid and (usually recycled
Water) heat, complete cooling to process fluid, while realizing recycling for cooling water.For closed cooling tower, technique
Fluid flows in coil pipe, is conducted heat to outside pipe by tube wall；At the same time, pipe is outer has shower water to be sprayed, in pipe
Outer wall formed moisture film, under the action of air, by spray water evaporation, occur outside pipe heat transfer, mass transfer heat exchange, thus
Take away heat.Closed cooling tower can guarantee that water quality is not contaminated, protect the efficient operation of main equipment well, improving makes
Use the service life.
Closed cooling tower can divide cross-flow type and reverse-flow by water and air flow direction.Cross-flow type refers to water flow from top to bottom
Flowing, for air bottom horizontal flow sheet by packing, airflow direction and water flow are in 90 ° of angles.Cross flow cooling tower noise is small, water distribution
Mode is reasonable, and the water distribution system fallen naturally using gravity, apron hole is not easy to plug, and improves carrier performance to the maximum extent.
Tubular type evaporates the core component of cooling coil and packing as closed cooling tower, and performance directly affects enclosed
The cooling effect of cooling tower.The effect of packing is the contact surface area by increasing water and air in cooling tower, and extension connects
Touch the time, by with fluid heat transfer in coil pipe and the cooling water that heats up further cools down, improve the efficiency of cooling tower.Existing enclosed
Cooling tower, shower water and air cocurrent enter cooling coil, and shower water directly falls to packing after coil pipe, causes
Part packing surface cannot form moisture film, or " streams " of big stock is formed in packing flowing, to reduce
The caloic exchange efficiency of packing；And air cannot uniformly flow through coil surface after packing, to influence cold
But the evaporation of coil surface moisture film reduces the cooling effect of cooling medium.Dimension is led since spray water and air is unevenly distributed
The cooling efficiency of closed cooling tower is caused to reduce, volume increases, and energy consumption improves.
Summary of the invention
It is poor in order to solve cooling coil in closed cooling tower partial air in the prior art and shower water heat exchange efficiency, and pass through
The shower water that cooling coil flows into packing is unevenly distributed, and the air for flowing into cooling coil is unevenly distributed, and leads to water drenching
The problem of the heat exchange efficiency of filler and cooling coil difference, the utility model is quasi- to be provided a kind of liquid distribution device and including it
Closed cooling tower, structure is simple, investment is small, cooling efficiency is high, gives full play to the heat and mass transfer performance of packing and cold
But the heat transfer property of coil surface shower water and air, aerodynamic field and shower water flow field in uniform column, improves cooling tower
Cooling efficiency, reduce closed cooling tower volume, reduce energy consumption.
Technical solutions adopted by the utility model to solve the above technical problems are as follows:
The technical purpose of the utility model first aspect is to provide a kind of liquid distribution device, including several liquid distributions
Device, the liquid distribution trough include bracket, liquid barrier, downspout, spray apertures and distribution grid bottom plate, and the liquid barrier is fixed on branch
On frame, the catch basin of a upper opening is formed, downspout there are several, is tightly attached on cradle wall, and bottom passes through distribution grid bottom
Plate is simultaneously fixed on distribution grid bottom plate, and the spray apertures are opened in cradle wall and downcomer wall and corresponding and each downspout connects
It is logical；It is fixedly connected between adjacent liquid distributors by distribution grid bottom plate.
In aforesaid liquid distribution apparatus, preferably, the downspout is equally spaced, the distance between adjacent downspout is
3 ~ 10cm, preferably 4 ~ 8cm.
In aforesaid liquid distribution apparatus, preferably, the area of the cross section of the downspout in the horizontal direction be 1 ~
10cm2, preferably 2 ~ 6cm2。
In aforesaid liquid distribution apparatus, preferably, bottom of the downspout top than the catch basin that liquid barrier is formed
Hold high 5 ~ 8cm.
In aforesaid liquid distribution apparatus, preferably, the spray apertures are arranged 1 ~ 3 group, on same level direction
One layer of spray apertures are one group.The setting in Multi-layer sprinkling hole can avoid the case where one layer of spray apertures are not able to satisfy liquid load.
In aforesaid liquid distribution apparatus, preferably, the top edge of the liquid barrier has folding ear structure, ear length is rolled over
Degree is 1 ~ 5cm, preferably 1 ~ 2cm, to buffer water flow.
In aforesaid liquid distribution apparatus, the slot cross-section that catchments of the liquid barrier formation can be arbitrary shape, preferably terraced
Shape or triangle.
In aforesaid liquid distribution apparatus, the downspout is fixed on distribution grid bottom plate with welding manner.
In aforesaid liquid distribution apparatus, preferably, the adjacent liquid distributors pass through two pieces of adjacent distribution grids
Bottom plate is fixedly connected in a manner of bolt.
Aforesaid liquid distribution apparatus further includes the support frame for being set to bottom.To each liquid distribution trough of fixation.
The aforesaid liquid distribution apparatus of the utility model collects shower water, catch basin with catch basin and first distribution grid bottom plate
It collects full shower water to be drained on distribution grid bottom plate by liquid barrier top, when water level rises to the height of spray apertures, jet flow water
Enter downspout by spray apertures, realizes redistribution, can uniformly spray downwards.
The technical purpose of the utility model second aspect is to provide a kind of closed cooling tower, including tower body, blower, spray system
System and cooling system, the cooling system include aforesaid liquid distribution apparatus.
In above-mentioned closed cooling tower, preferably, cooling system successively includes cooling coil, liquid distribution dress from top to bottom
It sets and packing layer.
In above-mentioned closed cooling tower, preferably, the side of the cooling coil and packing layer is respectively arranged with
Water collection device and lower water collection device, to collect the shower water for flowing through cooling coil and packing layer, and are redistributed, moreover it is possible to
The condenser heat and humid air for draining cooling coil and packing layer part in time improve heat exchange efficiency.
In above-mentioned closed cooling tower, preferably, the other side of the cooling coil and packing layer is respectively set
Air inlet and lower air inlet, guarantee the air of cooling coil and packing layer part and shower water flow direction is in 90 °, are formed
Crossing current, to improve the heat exchange efficiency of cooling coil and packing layer.
In above-mentioned closed cooling tower, preferably, the spray system includes spray head, collecting-tank, spray pump and connection collection
The pipeline in pond and spray head forms the fluid path of circulation.
Compared with prior art, the utility model has the following beneficial effects:
The liquid distribution device and closed cooling tower structure of the utility model are simple, heat exchange efficiency is high, overcome existing enclosed
The problem of cooling tower cooling coil heat exchange efficiency is poor, and shower water is unevenly distributed by cooling coil, while overcoming existing close
The problem of formula cooling tower air is unevenly distributed by packing, gives full play to packing heat and mass transfer performance and cooler pan
The heat transfer property of pipe surface shower water and air.To improve the cooling efficiency of cooling tower, reduce the volume of cooling tower, reduces energy
Consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid distribution device in embodiment 1；
Fig. 2 is the structural schematic diagram of single liquid distribution trough in embodiment 1；
Fig. 3 is the structural schematic diagram of the closed cooling tower of embodiment 2；
Wherein, 1. tower body, 2. blowers, 3. spray heads, 4. cooling coils, 5. liquid distribution devices, 6. packing layers, 7. collection
Pond, 8. spray pumps, 9. pipelines, water collection device on 10., 11. lower water collection devices, 12. upper air inlets, 13. lower air inlets, 51. brackets,
52. liquid barrier, 53. downspouts, 54. spray apertures, 55. distribution grid bottom plates, 56. support frames.
Specific embodiment
More detailed description is done to liquid distribution device and closed cooling tower of the invention below with reference to specific attached drawing.
Embodiment 1
A kind of liquid distribution device 5, as depicted in figs. 1 and 2, including several liquid distribution troughs, the liquid distribution trough
Including bracket 51, liquid barrier 52, downspout 53, spray apertures 54 and distribution grid bottom plate 55, the liquid barrier 52 is fixed on bracket 51
On, form the catch basin of a upper opening, the slot cross-section that catchments be it is trapezoidal, the top edge of liquid barrier has folding ear structure, folding
Ear length degree is 12mm, to buffer water flow；Downspout 53 has several, is tightly attached on cradle wall, and bottom passes through distribution grid bottom plate 55
And be welded on distribution grid bottom plate 55, the distance between adjacent downspout 53 is 6cm, the cross of each downspout 53 in the horizontal direction
The area in section is 4cm2；The downspout top is 5cm higher than the lowermost end for the catch basin that liquid barrier is formed.The spray apertures 54
Two layers of setting, is opened in cradle wall and downcomer wall and correspondence is connected to each downspout 53；Adjacent liquid distributors are logical
Distribution grid bottom plate 55 is crossed to be fixedly connected in a manner of bolt.Support frame 56 is arranged in liquid distribution device bottom, to each liquid of fixation
Body distributor.
Embodiment 2
A kind of closed cooling tower, including tower body 1, blower 2, spray system and cooling system, as shown in figure 3, the spray
System includes spray head 3, collecting-tank 7, spray pump 8 and the pipeline 9 for connecting collecting-tank and spray head, forms the fluid path of circulation.Institute
State cooling system successively includes cooling coil 4, liquid distribution device 5 and packing layer 6, the cooling coil 4 from top to bottom
It is respectively arranged with upper water collection device 10 and lower water collection device 11 with the side of packing layer 6, flows through cooling coil 4 and leaching to collect
The shower water of water packing layer 6, and redistributed, moreover it is possible to drain the condensation of 6 part of cooling coil 4 and packing layer in time
Heat and humid air improve heat exchange efficiency.Upper air inlet 12 is respectively set in the other side of the cooling coil 4 and packing layer 6
With lower air inlet 13, guarantees the air of cooling coil 4 and 6 part of packing layer and shower water flow direction is in about 90 °, formed
Crossing current, to improve the heat exchange efficiency of cooling coil 4 and packing layer 6.
In the above-mentioned closed cooling tower course of work, shower water is sprayed from spray head 3, drops down onto liquid after cooling coil 4
On distribution apparatus 5, collected by catch basin and distribution grid bottom plate 55 that the liquid barrier 52 of liquid distribution device 5 is formed, to catch basin
Water level rises to 52 top of liquid barrier, also drops down on distribution grid bottom plate 55 along folding ear, the water level on distribution grid bottom plate 55 rises to
In the redistribution to the packing layer 6 of lower layer of downspout 53, spray is realized into downspout in the position of spray apertures 54
The uniform redistribution of water.In cooling coil 4 and packing layer 6, shower water is flowed from above to below, by upper air inlet 12 under
The air that air inlet 13 enters is in about 90 degree with it, crossing current is formed, to improve the heat exchange of cooling coil 4 and packing layer 6
Efficiency.
Claims (12)
1. a kind of liquid distribution device, including several liquid distribution troughs, which is characterized in that the liquid distribution trough includes branch
Frame, liquid barrier, downspout, spray apertures and distribution grid bottom plate, the liquid barrier are fixed on bracket, form a upper opening
Catch basin, downspout have several, are tightly attached on cradle wall, and bottom passes through distribution grid bottom plate and is fixed on distribution grid bottom plate,
The spray apertures are opened in cradle wall and downcomer wall and correspondence is connected to each downspout；Pass through between adjacent liquid distributors
Distribution grid bottom plate is fixedly connected.
2. liquid distribution device according to claim 1, which is characterized in that the downspout is equally spaced, adjacent descending liquid
Distance between pipe is 3 ~ 10cm.
3. liquid distribution device according to claim 1, which is characterized in that the cross section of the downspout in the horizontal direction
Area be 1 ~ 10cm2。
4. liquid distribution device according to claim 1, which is characterized in that the downspout top was formed than liquid barrier
High 5 ~ the 8cm in the bottom end of catch basin.
5. liquid distribution device according to claim 1, which is characterized in that the spray apertures are arranged 1 ~ 3 group, in same water
Square one layer of upward spray apertures are one group.
6. liquid distribution device according to claim 1, which is characterized in that the top edge of the liquid barrier has folding ear
Structure, folding ear length degree are 1 ~ 5cm.
7. liquid distribution device according to claim 1, which is characterized in that the liquid distribution device further includes one and sets
It is placed in the support frame of bottom.
8. a kind of closed cooling tower, including tower body, blower, spray system and cooling system, which is characterized in that the cooling system
Including the liquid distribution device any in claim 1-7.
9. closed cooling tower according to claim 8, which is characterized in that the cooling system successively includes cold from top to bottom
But coil pipe, liquid distribution device and packing layer.
10. closed cooling tower according to claim 9, which is characterized in that the one of the cooling coil and packing layer
Side is respectively arranged with water collection device and lower water collection device.
11. closed cooling tower according to claim 9 or 10, which is characterized in that the cooling coil and packing layer
The other side upper air inlet and lower air inlet is respectively set.
12. closed cooling tower according to claim 10, which is characterized in that the spray system include spray head, collecting-tank,
Spray pump and the pipeline for connecting collecting-tank and spray head, form the fluid path of circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821749955.7U CN209371841U (en) | 2018-10-27 | 2018-10-27 | A kind of liquid distribution device and closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821749955.7U CN209371841U (en) | 2018-10-27 | 2018-10-27 | A kind of liquid distribution device and closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209371841U true CN209371841U (en) | 2019-09-10 |
Family
ID=67838906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821749955.7U Active CN209371841U (en) | 2018-10-27 | 2018-10-27 | A kind of liquid distribution device and closed cooling tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN209371841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594584A (en) * | 2019-09-27 | 2019-12-20 | 南京海陆化工科技有限公司 | Small hole liquid inlet groove pipe type liquid distributor |
| CN113776352A (en) * | 2021-09-23 | 2021-12-10 | 辉承传热技术(山东)有限公司 | Filler-free cross-flow type closed cooling tower |
-
2018
- 2018-10-27 CN CN201821749955.7U patent/CN209371841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594584A (en) * | 2019-09-27 | 2019-12-20 | 南京海陆化工科技有限公司 | Small hole liquid inlet groove pipe type liquid distributor |
| CN113776352A (en) * | 2021-09-23 | 2021-12-10 | 辉承传热技术(山东)有限公司 | Filler-free cross-flow type closed cooling tower |
| CN113776352B (en) * | 2021-09-23 | 2023-12-29 | 辉承传热技术(山东)有限公司 | Cross flow type closed cooling tower without packing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: China Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |
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| TR01 | Transfer of patent right |