CN211953769U - Atomizing heat exchange mechanism of air cooler - Google Patents
Atomizing heat exchange mechanism of air cooler Download PDFInfo
- Publication number
- CN211953769U CN211953769U CN202020140519.0U CN202020140519U CN211953769U CN 211953769 U CN211953769 U CN 211953769U CN 202020140519 U CN202020140519 U CN 202020140519U CN 211953769 U CN211953769 U CN 211953769U
- Authority
- CN
- China
- Prior art keywords
- spray
- air cooler
- atomizing
- shower
- collecting tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007921 spray Substances 0.000 claims abstract description 93
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000000889 atomisation Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 23
- 238000005507 spraying Methods 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 6
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 12
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
An atomization heat exchange mechanism of an air cooler relates to the field of air coolers, and comprises a finned tube and a spray tube, draught fan and collecting tank, the draught fan sets up on frame upper portion, the finned tube sets up at the frame middle part, the collecting tank sets up in the frame lower part, the shower sets up around the finned tube, set up atomizer on the shower, interval between two adjacent atomizer on the shower sets up the interval when guaranteeing that the spray regime of two adjacent atomizer overlaps 1/4 ~ 1/3 each other, air cooler's atomizing heat transfer mechanism still includes spray header, collecting tank and shower are connected respectively to spray header's both ends, spray header sets gradually first three-way valve between collecting tank and shower, water pump and second three-way valve, the both ends of acetic acid conveyer pipe communicate with another export of first three-way valve and another export of second three-way valve respectively, set up the acetic acid pump on the acetic acid conveyer pipe. The utility model discloses can solve the problem of the poor and easy scale deposit in finned tube surface of air cooler atomizing heat transfer effect.
Description
Technical Field
The utility model belongs to the technical field of the air cooler and specifically relates to an air cooler atomizing heat transfer mechanism.
Background
The air cooler is an air cooler for short, and is a heat exchange device which is used as the most condensation and cooling equipment in petrochemical industry and oil gas processing production.
The air cooler comprises a frame 1, wherein an induced draft fan 5 is arranged on the upper portion of the frame 1, a finned tube 2 is arranged in the middle of the frame 1, a liquid collecting tank 6 is arranged on the lower portion of the frame, a spray pipe 3 is arranged on the periphery of the finned tube, an atomizing nozzle 31 is arranged on the spray pipe 3, and cold air provided by the induced draft fan and water mist sprayed by the atomizing nozzle cool medium fluid in the finned tube.
At present, the design interval of the atomizing nozzles on the spray pipe is determined according to the theoretical spraying range of the atomizing nozzles, even if the spraying ranges of two adjacent atomizing nozzles do not overlap, the water mist concentration of each position on the finned pipe can be basically kept consistent. In practice, however, due to the influence of factors such as the viscosity of water, the actual spray angle is smaller than the theoretical spray angle, so that the actual spray range is smaller than the theoretical spray range, the water mist concentration on the finned tube at the middle position between two adjacent atomizing nozzles is very low, the atomizing heat exchange effect is poor, and the requirement of atomizing heat exchange cannot be met.
The water that the atomizing heat transfer mechanism of air cooler used generally is hard water, contains salt such as calcium and magnesium in the hard water, and after using a period, the finned tube surface can take place the scale deposit phenomenon, influences heat transfer effect. The atomization heat exchange mechanism of some air coolers uses soft water, the soft water is water with the hardness lower than 8 degrees, and after the atomization heat exchange mechanism is used for a long time, the scaling phenomenon can still be generated on the surfaces of the finned tubes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an air cooler atomizing heat transfer mechanism is provided, solve the problem of poor and the easy scale deposit in finned tube surface of air cooler atomizing heat transfer effect.
The utility model provides a technical scheme that its technical problem adopted is: an air cooler atomizing heat exchange mechanism comprises a finned tube, at least one spray pipe, an induced draft fan and a liquid collecting tank, wherein the induced draft fan is arranged on the upper portion of a rack, the finned tube is arranged in the middle of the rack, the liquid collecting tank is arranged on the lower portion of the rack, the spray pipes are arranged around the finned tube, atomizing spray heads are arranged on the spray pipes, the distance between every two adjacent atomizing spray heads on the spray pipes is set to be equal to the distance between 1/4-1/3 which ensures that the spraying ranges of every two adjacent atomizing spray heads are mutually overlapped, the atomizing heat exchange mechanism of the air cooler further comprises a main spray pipe, the two ends of the main spray pipe are respectively connected with the liquid collecting tank and the spray pipes, the main spray pipe is sequentially provided with a first three-way valve, a water pump and a second three-way valve between the liquid collecting tank and the spray pipes, and, the acetic acid delivery pipe is provided with an acetic acid pump.
Further, the distance between two adjacent atomizing spray heads on the spray pipe is set to be the distance which ensures that the spraying ranges of the two adjacent atomizing spray heads are overlapped 7/27.
Further, the shower is arranged on two sides of the finned tube.
Furthermore, the number of the spray pipes is eight, the spray pipes are arranged in four rows at equal intervals, and the number of the spray pipes in each row is two.
Furthermore, a liquid discharge pipe is arranged on one side of the liquid collecting tank, and a liquid discharge valve is arranged on the liquid discharge pipe.
Furthermore, the atomizer is an acid and alkali corrosion resistant atomizer.
Furthermore, the spray pipe and the spray header pipe are both made of 304 stainless steel materials, and polytetrafluoroethylene linings are arranged inside the spray pipe and the spray header pipe.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the interval when the spray regime that guarantees two adjacent atomizer on the shower overlaps 1/4 ~ 1/3 each other with the interval between two adjacent atomizer, guaranteed to be in the water smoke concentration of intermediate position between two adjacent atomizer on the finned tube, improved the heat transfer effect of atomizing heat transfer mechanism.
2. The utility model discloses a set up the acetic acid pump, use 304 stainless steel and its inside shower that all sets up the polytetrafluoroethylene inside lining and spray the house steward and use acid and alkali-resistance corrosion atomizer, spray the scale remover to it after finned tube surface scale deposit, can get rid of the scale deposit on finned tube surface, improve heat transfer effect.
Drawings
FIG. 1 is a top plan view of the theoretical coverage of an atomizer;
FIG. 2 is a top view of the actual coverage area of the atomizer;
FIG. 3 is a schematic structural view of an atomization heat exchange mechanism (finned tubes are not shown in the figure).
Detailed Description
Example 1:
as shown in fig. 1, 2 and 3, an air cooler atomizing heat exchange mechanism comprises a finned tube 2, at least one spray pipe 3, an induced draft fan 5 and a liquid collecting tank 6, wherein the induced draft fan 5 is arranged on the upper part of a frame 1, the finned tube 2 is arranged in the middle of the frame 1, the liquid collecting tank 6 is arranged on the lower part of the frame 1, the spray pipe 3 is arranged around the finned tube 2, atomizing nozzles 31 are arranged on the spray pipe 3, the distance between two adjacent atomizing nozzles 31 on the spray pipe 3 is set to ensure that the spraying ranges of the two adjacent atomizing nozzles 31 are mutually overlapped 1/4-1/3, the atomizing heat exchange mechanism of the air cooler further comprises a main spray pipe 4, the two ends of the main spray pipe 4 are respectively connected with the liquid collecting tank 6 and the spray pipe 3, the main spray pipe 4 is sequentially provided with a first three-way valve 41, a water pump 42 and a second three-way valve 43 between, two ends of the acetic acid conveying pipe 8 are respectively communicated with the other outlet of the first three-way valve 41 and the other outlet of the second three-way valve 43, and an acetic acid pump 81 is arranged on the acetic acid conveying pipe 8.
The utility model discloses a set up the interval when the spray regime that guarantees two adjacent atomizer on the shower overlaps 1/4 ~ 1/3 each other with the interval between two adjacent atomizer, guaranteed to be in the water smoke concentration of intermediate position between two adjacent atomizer on the finned tube, improved the heat transfer effect of atomizing heat transfer mechanism.
The utility model discloses a set up the acetic acid pump, use 304 stainless steel and its inside shower that all sets up the polytetrafluoroethylene inside lining and spray the house steward and use acid and alkali-resistance corrosion atomizer, spray the scale remover to it after finned tube surface scale deposit, can get rid of the scale deposit on finned tube surface, improve heat transfer effect.
The distance between two adjacent atomizer heads 31 on the spray pipe 3 is set to ensure the distance when the spraying ranges of two adjacent atomizer heads 31 overlap 7/24.
When the temperature of the used spray water is about 5 ℃, the viscosity of the water is 1.5674 centipoise, at the moment, the distance between two adjacent atomizing spray heads 31 on the spray pipe 3 is set to be the distance which ensures that the spraying ranges of the two adjacent atomizing spray heads 31 are mutually overlapped 7/24, so that the water mist concentration of the finned pipe in the middle position between the two adjacent atomizing spray heads can be ensured, the water can be saved, and the economic cost is reduced.
The shower pipes 3 are arranged on two sides of the finned pipe 2.
The spraying pipe is arranged above or below the finned tube and can only spray part of the finned tube, and the spraying pipe is arranged on two sides of the spraying pipe to achieve the best spraying effect.
The number of the spray pipes 3 is eight, the spray pipes are arranged in four rows at equal intervals, and the number of the spray pipes 3 in each row is two.
Eight shower can carry out all-round cooling to the finned tube, improve the cooling effect.
A drain pipe 7 is arranged at one side of the liquid collecting tank 6, and a drain valve 71 is arranged on the drain pipe 7.
The drain pipe and the drain valve are used for draining the water and the acetic acid solution in the collecting tank.
The atomizer 31 is an acid and alkali corrosion resistant atomizer.
The atomizer can select various types of acid and alkali corrosion resistant atomizer, preferably the acid and alkali corrosion resistant atomizer disclosed in utility model patent application No. CN 201420834489.8.
The spray pipe 3 and the spray header pipe 4 are both made of 304 stainless steel materials, and polytetrafluoroethylene linings are arranged inside the spray pipe 3 and the spray header pipe 4.
The pipeline made of 304 stainless steel and internally provided with the polytetrafluoroethylene lining can resist acid and alkali corrosion.
When the air cooler uses the atomization heat exchange mechanism to cool fluid media, the atomization heat exchange mechanism is carried out according to the following steps:
1. and injecting spray water into the liquid collecting tank, starting the water pump, pumping the spray water in the liquid collecting tank into the spray header pipe and the spray pipe by the water pump, and then spraying out from the atomizing nozzles. When spray water is sprayed out of the atomizing spray heads, the distance between every two adjacent atomizing spray heads is set to be the distance between the adjacent two atomizing spray heads when the spraying ranges of the two adjacent atomizing spray heads are overlapped 1/4-1/3, so that the water mist concentration of the finned tube at the middle position between the two adjacent atomizing spray heads is ensured, and the heat exchange effect of the atomizing heat exchange mechanism is improved.
2. The spray water is evaporated and absorbs heat after being sprayed out from the atomizing nozzle, most of the spray water is changed into water vapor, and a small part of the spray water enters the liquid collecting tank and is pumped into the spray header pipe and the spray pipe again by the water pump for recycling.
When the surfaces of the finned tubes are scaled, an operator adds a descaling agent into the spraying water of the liquid collecting tank, adjusts the outlets of the first three-way valve and the second three-way valve into the other outlet, opens the acetic acid pump, pumps the descaling agent solution in the liquid collecting tank into the spraying main pipe and the spraying pipe by the acetic acid pump, and then sprays the descaling agent solution from the atomizing nozzles to remove the scales on the surfaces of the finned tubes.
In order to ensure the descaling effect, a descaling agent solution with higher temperature can be used.
After descaling, the operator opens the drain valve to drain the descaling agent solution from the drain pipe. And injecting spray water into the liquid collecting tank by an operator, opening the acetic acid pump again, cleaning the acetic acid pump, the atomizing spray heads, the spray pipes and the spray header pipe for multiple times by using the spray water, and discharging waste liquid generated after cleaning from the liquid discharge pipe.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an air cooler atomizing heat transfer mechanism, includes finned tube (2), an at least shower (3), draught fan (5) and collecting tank (6), draught fan (5) set up on frame (1) upper portion, finned tube (2) set up in frame (1) middle part, collecting tank (6) set up in frame (1) lower part, shower (3) set up around finned tube (2), set up atomizer (31) on shower (3), its characterized in that, the interval when interval setting up to guaranteeing that the spray regime of two adjacent atomizers (31) overlaps 1/4 ~ 1/3 each other on shower (3), air cooler's atomizing heat transfer mechanism still includes spray header (4), collecting tank (6) and spray header (3) are connected respectively to the both ends of spray header (4), the spraying header pipe (4) is sequentially provided with a first three-way valve (41), a water pump (42) and a second three-way valve (43) between the liquid collecting tank (6) and the spraying pipe (3), two ends of the acetic acid conveying pipe (8) are respectively communicated with another outlet of the first three-way valve (41) and another outlet of the second three-way valve (43), and the acetic acid conveying pipe (8) is provided with an acetic acid pump (81).
2. An air cooler atomizing and heat exchanging mechanism according to claim 1, characterized in that the distance between two adjacent atomizing nozzles (31) on the spray pipe (3) is set to ensure the distance when the spraying ranges of two adjacent atomizing nozzles (31) overlap 7/24.
3. An air cooler atomizing and heat exchanging mechanism as set forth in claim 1, characterized in that said shower pipes (3) are provided on both sides of said finned tube (2).
4. The atomizing heat exchange mechanism of the air cooler as set forth in claim 1, characterized in that the number of the spray pipes (3) is eight, the spray pipes are arranged in four rows at equal intervals, and the number of the spray pipes (3) in each row is two.
5. An air cooler atomizing and heat exchanging mechanism according to claim 1, characterized in that a drain pipe (7) is arranged on one side of the liquid collecting tank (6), and a drain valve (71) is arranged on the drain pipe (7).
6. The atomization heat exchange mechanism of the air cooler as recited in claim 1, wherein the atomizer (31) is an acid and alkali corrosion resistant atomizer.
7. The atomization heat exchange mechanism of the air cooler as claimed in claim 1, wherein the spray pipes (3) and the spray header pipe (4) are both made of 304 stainless steel, and are internally provided with polytetrafluoroethylene linings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020200078469 | 2020-01-03 | ||
| CN202020007846 | 2020-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211953769U true CN211953769U (en) | 2020-11-17 |
Family
ID=73174573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020140519.0U Expired - Fee Related CN211953769U (en) | 2020-01-03 | 2020-01-21 | Atomizing heat exchange mechanism of air cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211953769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595139A (en) * | 2020-11-23 | 2021-04-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Closed cooling tower with coil pipe acid pickling descaling device |
| CN114216353A (en) * | 2021-12-22 | 2022-03-22 | 无锡巴斯特冷却设备有限公司 | High-efficient radiating cooler |
-
2020
- 2020-01-21 CN CN202020140519.0U patent/CN211953769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595139A (en) * | 2020-11-23 | 2021-04-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Closed cooling tower with coil pipe acid pickling descaling device |
| CN114216353A (en) * | 2021-12-22 | 2022-03-22 | 无锡巴斯特冷却设备有限公司 | High-efficient radiating cooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |