CN216645003U - Composite air cooling device - Google Patents
Composite air cooling device Download PDFInfo
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- CN216645003U CN216645003U CN202122920863.9U CN202122920863U CN216645003U CN 216645003 U CN216645003 U CN 216645003U CN 202122920863 U CN202122920863 U CN 202122920863U CN 216645003 U CN216645003 U CN 216645003U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
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Abstract
The utility model provides a composite air cooling device, which belongs to the technical field of air coolers and comprises a cooling unit, wherein the cooling unit comprises a frame body and a cooling module, a heat exchange coil is arranged in the frame body, the cooling module comprises a fan, a spray pipe and a spray head, the fan is arranged at the top of the frame body and is positioned right above the heat exchange coil, the outlet of the spray pipe is connected with the inlet of the spray head, the spray head is positioned right above the heat exchange coil and is positioned below the fan, a heat exchange medium flows in the heat exchange coil, the fan blows the heat exchange coil, the spray head carries out water-cooling spraying on the heat exchange coil, in the cooling process, when the fan carries out air cooling on the heat exchange coil, the heat emitted by the heat exchange coil enables hot air to be upward, so that water is evaporated into water mist in the spraying process and is scattered on the heat exchange coil, and then absorbs the heat on the heat exchange coil to be changed into water drops, the heat of the heat exchange coil is taken away, and the medium in the heat exchange coil is cooled, so that the heat exchange efficiency of the heat exchange coil is improved.
Description
Technical Field
The utility model relates to the technical field of air coolers, in particular to a composite air cooling device.
Background
The existing air cooling and water cooling equipment is heat exchange equipment which is used as condensation and cooling in petrochemical industry and oil gas processing production and is most applied, but a cooler in the prior art is used for carrying out air cooling or water cooling on a heat exchange pipe generally, so that the heat exchange efficiency is low.
Disclosure of Invention
In view of this, the present invention provides a composite air cooling device to solve the technical problem of low heat exchange efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a compound air cooling device, includes the cooling unit, the cooling unit includes support body, cooling module, the inside of support body sets up heat transfer coil, the cooling module includes fan, shower head, the fan sets up the top at the support body, just the fan is located directly over heat transfer coil, the export of shower with the entry linkage of shower head, the shower is located directly over heat transfer coil, and is located the below of fan.
Preferably, the cooling unit further comprises a water tank, an outlet of the water tank being connected with an inlet of the shower pipe.
Preferably, the composite air cooling device further comprises a first circulating pump, an inlet of the first circulating pump is connected with an outlet of the water tank, and an outlet of the first circulating pump is connected with an inlet of the spray pipe.
Preferably, the composite air cooling device comprises a plurality of cooling units, the water tanks of each cooling unit are connected in series, and the inlet of the spray pipe of each cooling unit is connected with the outlet of the first circulating pump.
Preferably, the spray header is a water mist spray header.
Preferably, a magnetic telescopic liquid level meter is arranged in one of the water tanks.
Preferably, the composite air cooling device further comprises a rectifying tower, a plurality of float valve trays are arranged inside the rectifying tower, a circulation inlet and a circulation outlet are arranged on the side wall of the rectifying tower, the circulation inlet is located on the lower portion of the circulation outlet, the circulation inlet is located on the lower portion of one of the float valve trays, the circulation outlet is located on the upper portion of one of the float valve trays, the circulation outlet is connected with an inlet of a heat exchange coil of the cooling unit, and an outlet of the heat exchange coil of the cooling unit is connected with the circulation inlet.
Preferably, the rectifying tower further comprises a second circulating pump, an inlet of the second circulating pump is connected with an outlet of the heat exchange coil of the cooling unit, and an outlet of the second circulating pump is connected with the circulating inlet.
Compared with the prior art, the utility model has the beneficial effects that:
the heat exchange device is characterized in that a heat exchange medium flows in the heat exchange coil, the fan blows the heat exchange coil normally, the spray heads spray the heat exchange coil in a water cooling mode, when the fan cools the heat exchange coil in an air cooling mode, heat emitted by the heat exchange coil makes hot air upwards, water is evaporated into water mist in the spraying process, the water mist is scattered on the heat exchange coil and then absorbs the heat on the heat exchange coil to form water drops, the heat of the heat exchange coil is taken away, the medium inside the heat exchange coil is cooled, and meanwhile the heat exchange coil is cooled in the air cooling mode to heat the water, so that the heat exchange efficiency of the heat exchange coil is improved.
Drawings
Fig. 1 is a schematic structural diagram of the compound air cooling device.
Fig. 2 is a flow chart of the compound air cooling device.
FIG. 3 is a schematic structural diagram of the low-nitrogen combustor.
Fig. 4 is a schematic structural view of the combustion assembly.
In the figure: the device comprises a composite air cooling device 10, a cooling unit 100, a frame body 110, a heat exchange coil 111, a cooling module 120, a fan 121, a spray pipe 122, a spray header 123, a water tank 130, a magnetic telescopic liquid level meter 131, a first circulating pump 200, a rectifying tower 300, a circulating inlet 310, a circulating outlet 320, a second circulating pump 330, a low-nitrogen burner 400, a heating furnace body 410, a combustion assembly 420, an inner annular pipe 421, an outer annular pipe 422, a gas pipe group 430, a first gas pipe 431, a second gas pipe 432, a damper assembly 440 and a rotary baffle 441.
Detailed Description
The technical solutions and effects of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings of the present invention.
Referring to fig. 1 and 2, a composite air cooling device 10 includes a cooling unit 100, the cooling unit 100 includes a frame 110 and a cooling module 120, a heat exchanging coil 111 is disposed inside the frame 110, the cooling module 120 includes a fan 121, a shower 122 and a shower head 123, the fan 121 is disposed on the top of the frame 110, the fan 121 is located right above the heat exchanging coil 111, an outlet of the shower 122 is connected to an inlet of the shower head 123, and the shower head 123 is located right above the heat exchanging coil 111 and below the fan 121.
Compared with the prior art, the utility model has the beneficial effects that:
the heat exchange efficiency of the heat exchange coil 111 is improved by flowing a heat exchange medium in the heat exchange coil 111, blowing the heat exchange coil 111 by the fan 121, and spraying water on the heat exchange coil 111 by the spray header 123, wherein in the cooling process, when the heat exchange coil 111 is cooled by the fan 121, the heat emitted by the heat exchange coil 111 makes the hot air flow upwards, so that the water is evaporated into water mist in the spraying process and is scattered on the heat exchange coil 111, and then the water mist absorbs the heat on the heat exchange coil 111 to form water droplets, so that the heat of the heat exchange coil 111 is taken away, the medium in the heat exchange coil is cooled, and meanwhile, cooling air and cooling water are carried out on the heat exchange coil 111.
Further, the cooling unit 100 further includes a water tank 130, and an outlet of the water tank 130 is connected to an inlet of the shower pipe 122.
Further, the composite air cooling device 10 further includes a first circulation pump 200, an inlet of the first circulation pump 200 is connected to an outlet of the water tank 130, and an outlet of the first circulation pump 200 is connected to an inlet of the shower pipe 122.
Further, the hybrid air-cooling apparatus 10 includes a plurality of cooling units 100, the water tanks 130 of each cooling unit 100 are connected in series, the inlet of the shower pipe 122 of each cooling unit 100 is connected to the outlet of the first circulation pump 200, and during the cooling process of the heat exchanging coil 111, water is evaporated to reduce the amount of water in the water tanks 130, so that only the water tanks 130 of one water tank 130 need to be observed by connecting the water tanks 130 of each cooling unit 100 in series.
Further, the spray header 123 is a water mist spray header.
Further, a magnetostrictive liquid level meter 131 is arranged in one of the water tanks 130, when the magnetostrictive liquid level meter 131 indicates that the water amount in the water tank 130 is low, a water inlet valve of the water tank 130 of the first cooling unit 100 is opened, water is filled into the water tank 130, and when the magnetostrictive liquid level meter 131 indicates that the water amount in the water tank 130 is sufficient, the water inlet valve is closed.
Further, the compound air cooling device 10 further includes a rectifying tower 300, the rectifying tower 300 is used for separating light components from heavy components in the dry gas, a plurality of float valve trays are arranged inside the rectifying tower 300, a circulation inlet 310 and a circulation outlet 320 are arranged on a side wall of the rectifying tower 300, the circulation inlet 310 is located at the lower part of the circulation outlet 320, the circulation inlet 310 is located at the lower part of one of the float valve trays, the circulation outlet 320 is located at the upper part of one of the float valve trays, the circulation outlet 320 is connected with an inlet of the heat exchange coil 111 of the cooling unit 100, and an outlet of the heat exchange coil 111 of the cooling unit 100 is connected with the circulation inlet 310; at least one float valve tray is arranged between the circulation inlet 310 and the circulation outlet 320, so that the gas rectified by the rectifying tower 300 flows out, flows back and then enters the lower part of the float valve tray, the volatilized heavy component is pumped back to the lower part of the float valve tray of the rectifying tower 300 through a return pipe and is rectified again, and the heavy component is prevented from being directly volatilized out along with the light component, so that the light component and the heavy component are separated.
Further, the rectifying tower 300 further includes a second circulation pump 330, an inlet of the second circulation pump 330 is connected to an outlet of the heat exchange coil 111 of the cooling unit 100, and an outlet of the second circulation pump 330 is connected to the circulation inlet 310.
Further, the light components separated from the top of the rectifying tower 300 are processed and combusted through the following embodiments, referring to fig. 3 to 4, the low nitrogen burner 400 includes a heating furnace body 410, a combustion assembly 420, and a gas tube assembly 430, the combustion assembly 420 is disposed in the bottom of the heating furnace body 410, the combustion assembly 420 includes an inner annular tube 421 and an outer annular tube 422, the inner annular tube 421 and the outer annular tube 422 are concentrically disposed, fire holes are densely arranged on the annular walls of the inner annular tube 421 and the outer annular tube 422, a first gas inlet is disposed on one side of the inner annular tube 421, a second gas inlet is disposed on one side of the outer annular tube 422, the gas tube assembly 430 includes a first gas tube 431 and a second gas tube 432, the inlet of the first gas tube 431 and the inlet of the second gas tube 432 are used for introducing combustible gas, the outlet of the first gas tube 431 is connected to the first gas inlet, the outlet of the second gas pipe 432 is connected with the second gas inlet, and the aperture of the fire hole is not more than 3 mm; the light components separated from the top of the first rectifying tower 300 enter through the second fuel gas pipe 432, the contact surface of the light components and air is increased through the concentric design of the inner annular pipe 421 and the outer annular pipe 422, the diameter of a fire hole is reduced to be below 3mm, fuel gas entering the heating furnace body 410 in unit time is reduced, and the light components are fully combusted under the combined action of the two aspects, so that the combustion efficiency of the light components is improved, and fuel emission of the light components is reduced.
Further, the low-nitrogen burner further comprises an air door assembly 440, an air port is formed in the side wall of the heating furnace body 410, the air door assembly 440 comprises a rotating baffle 441, two ends of the rotating baffle 441 are rotatably connected with two sides of the air port, and the opening degree of the air port is adjusted by adjusting the angle between the rotating baffle 441 and the horizontal plane.
Further, the number of the damper assemblies 440 is plural, and the plural damper assemblies 440 are arranged along the height direction of the tuyere.
In a specific embodiment, the low-nitrogen combustion device 400 further comprises a heat exchange tube, which is disposed inside the heating furnace body 410 and through which a heat exchange medium flows. The outer wall of the heat exchange tube is provided with spiral grooves or point-shaped bulges, and when hot air flows through the outer wall of the heat exchange tube, eddy currents can be formed on the outer wall of the heat exchange tube due to the functions of the grooves or the point-shaped bulges, so that the heat exchange capacity of the heat exchange tube is enhanced.
In a specific embodiment, the low-nitrogen combustion apparatus 400 is provided with a gas storage tank, a light gas outlet is arranged above the gas storage tank, a heavy gas outlet is arranged below the gas storage tank, an inlet of the second gas pipe 432 is connected with the light gas outlet, an inlet of the first gas pipe 431 is connected with the heavy gas outlet, and the light component is introduced into the second gas pipe 432. Studies have shown that a combustion temperature that is too high promotes the production of nitrogen oxides, the outer annular tube 422 is in the marginal position, the temperature is lower, while the combustion value of hydrogen is high, the combustion temperature is high. Because the light components separated from the dry gas are complex, some low-purity hydrogen can be doped, and the hydrogen is combusted through the outer annular pipe 422, so that the temperature of the whole heating furnace body 410 can be reduced, the generation of nitrogen oxides can be reduced, the waste low-purity hydrogen can be fully utilized, and the utilization of energy resources can be optimized.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (5)
1. A composite air cooling device is characterized by comprising a cooling unit, wherein the cooling unit comprises a frame body and a cooling module, a heat exchange coil is arranged in the frame body, the cooling module comprises a fan, a spray pipe and a spray head, the fan is arranged at the top of the frame body and is positioned right above the heat exchange coil, an outlet of the spray pipe is connected with an inlet of the spray head, and the spray head is positioned right above the heat exchange coil and is positioned below the fan;
the cooling unit also comprises a water tank, and an outlet of the water tank is connected with an inlet of the spray pipe;
the composite air cooling device also comprises a first circulating pump, wherein the inlet of the first circulating pump is connected with the outlet of the water tank, and the outlet of the first circulating pump is connected with the inlet of the spray pipe;
the composite air cooling device comprises a plurality of cooling units, the water tanks of each cooling unit are connected in series, and the inlet of the spray pipe of each cooling unit is connected with the outlet of the first circulating pump.
2. The compound air cooling device of claim 1, wherein the spray header is a water mist spray header.
3. The compound air-cooling device of claim 1, wherein a magnetostrictive liquid level meter is arranged in one of the water tanks.
4. The composite air-cooling device according to claim 3, characterized in that the composite air-cooling device further comprises a rectifying tower, a plurality of float valve trays are arranged inside the rectifying tower, a circulation inlet and a circulation outlet are arranged on the side wall of the rectifying tower, the circulation inlet is arranged on the lower portion of the circulation outlet, the circulation inlet is arranged on the lower portion of one of the float valve trays, the circulation outlet is arranged on the upper portion of one of the float valve trays, the circulation outlet is connected with the inlet of the heat exchange coil of the cooling unit, and the outlet of the heat exchange coil of the cooling unit is connected with the circulation inlet.
5. The compound air-cooling device of claim 4, wherein the rectifying tower further comprises a second circulating pump, an inlet of the second circulating pump is connected with an outlet of the heat exchange coil of the cooling unit, and an outlet of the second circulating pump is connected with the circulating inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920863.9U CN216645003U (en) | 2021-11-26 | 2021-11-26 | Composite air cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122920863.9U CN216645003U (en) | 2021-11-26 | 2021-11-26 | Composite air cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645003U true CN216645003U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122920863.9U Active CN216645003U (en) | 2021-11-26 | 2021-11-26 | Composite air cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645003U (en) |
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2021
- 2021-11-26 CN CN202122920863.9U patent/CN216645003U/en active Active
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