CN212538872U - Cold-storage and anti-freezing dry-wet combined air cooling integrated equipment - Google Patents
Cold-storage and anti-freezing dry-wet combined air cooling integrated equipment Download PDFInfo
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- CN212538872U CN212538872U CN202021099871.0U CN202021099871U CN212538872U CN 212538872 U CN212538872 U CN 212538872U CN 202021099871 U CN202021099871 U CN 202021099871U CN 212538872 U CN212538872 U CN 212538872U
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Abstract
The utility model discloses a frost-proof dry and wet joint air cooling integrated equipment of cold-storage, it includes dry and wet joint air cooler, moisturizing unit, ice cold-storage unit and main circulating pump, dry and wet joint air cooler, main circulating pump pass through the pipe connection with the heat source user and become inclosed circulation system, are equipped with the exhaust surge tank at the peak of circulation system pipeline, the moisturizing unit includes deoxidization water tank, moisturizing valve and moisturizing pump, and the inlet pipe of moisturizing pump connects the delivery port of deoxidization water tank, goes out the water pipe and connects circulation system pipeline, the inlet tube of ice cold-storage unit connects circulation system pipeline through the inlet valve, and the outlet pipe connects the inlet tube of moisturizing pump through the outlet valve. The utility model discloses combine air cooler and ice cold-storage unit together futilely wet, utilize ice cold-storage unit peak staggering cold storage and realize fast peak clipping to realize that low-cost is frostproofing, not only can reduce the running cost, and can reduce the dry and wet combined air cooler construction scale, thereby reduced the equipment investment.
Description
Technical Field
The utility model relates to a dry and wet joint air cooling integrated equipment with cold-storage function of preventing frostbite belongs to general heat exchange technical field.
Background
The circulating cooling water system can be divided into an open-type circulating system and a closed-type circulating system according to whether the circulating water system is in contact with the atmosphere. An open cycle system generally uses an evaporative cooling tower as a heat dissipation device for circulating water, and water is in contact with the atmosphere and has a large amount of evaporated water. In the closed circulation system, the circulating water is not directly contacted with the atmosphere, but indirectly exchanges heat through the dividing wall type refrigerating coil, the air and part of cooling spray water are used as cold sources, the heat of the circulation system is taken out, the cooling purpose is achieved, and the loss amount of the water is small.
With the increasing shortage of water resource situation in China, especially in arid water-deficient areas, the consumption of large industrial water resources is gradually limited, and a closed air cooling system is an effective way for solving the consumption of circulating cold water and water. Currently, the main problems of closed air cooling systems include:
1) receive day and night and the influence of four seasons difference in temperature great, in order to satisfy the cooling demand all the year round, the design of air cooler often uses the hottest meteorological condition as the basis, leads to equipment scale big, and investment cost is high, and when ambient temperature is lower, has the big problem of invalid energy consumption.
2) The air cooling efficiency is low, and the cooling capacity is insufficient and the peak clipping capacity is poor at the peak temperature in summer or at midday;
3) when a heat source user overhauls and stops the machine in winter, the circulating system loses a continuous heat source, the temperature in the pipe bundle and the pipeline is reduced, the phenomenon of pipe freezing is easy to occur, an anti-freezing device needs to be installed, and the traditional heat tracing or steam anti-freezing device is extremely high in energy consumption and high in investment cost;
4) after the spray type air cooler is used for a long time, the surfaces of the tube bundles or the surfaces of the fins can be scaled, the heat exchange efficiency is seriously influenced, and the cleaning is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frost-proof dry wet joint air cooling integrated equipment of cold-storage to prior art's drawback, when satisfying the cooling demand, reduce equipment investment and running cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a dry and wet joint air cooling integrated equipment with function is prevented frostbite in cold-storage, includes dry and wet joint air cooler, moisturizing unit, ice cold-storage unit and main circulating pump in the constitution, dry and wet joint air cooler, main circulating pump pass through the pipe connection with the heat source user and become inclosed circulation system, are equipped with the exhaust surge tank at the peak of circulation system pipeline, the moisturizing unit includes deoxidization water tank, moisturizing valve and moisturizing pump, the inlet tube of moisturizing pump connects the delivery port of deoxidization water tank through the moisturizing valve, goes out the water pipe and connects circulation system pipeline, the inlet tube of ice cold-storage unit connects circulation system pipeline through the inlet valve, and the outlet pipe connects the inlet tube of moisturizing pump through a water valve.
The dry-wet combined air cooling integrated equipment with the cold accumulation and anti-freezing functions comprises an ice accumulation unit, a refrigeration insulation box and a refrigeration coil, wherein the refrigeration coil is arranged in the refrigeration insulation box and is connected with the refrigeration unit, a water inlet pipe of the refrigeration insulation box is connected with a circulating system pipeline through a water inlet valve, and a water outlet pipe is connected with a water inlet pipe of a water replenishing pump through a water outlet valve.
The dry-wet combined air cooling integrated equipment with the cold accumulation and anti-freezing functions comprises a closed box and a fan, a dry air cooling pipe bundle, a water distribution calandria and a wet air cooling pipe bundle which are arranged in the closed box from top to bottom, wherein an air inlet is reserved on one side of the bottom of the closed box, a water tank is arranged on the lower portion of the closed box, and the dry air cooling pipe bundle, the water distribution calandria and the wet air cooling pipe bundle are parallel to each other.
Above-mentioned dry and wet joint air cooling integrated equipment with cold-storage function of preventing frostbite, the inlet and the water distribution belt cleaning device of water distribution calandria are connected, water distribution belt cleaning device is including wasing medicament storage tank, water distribution water tank, scavenging pump and water distribution pump, the inlet tube of scavenging pump and water distribution pump links to each other with wasing medicament storage tank and water distribution water tank respectively, and the outlet pipe connects the inlet of water distribution calandria, washs medicament storage tank and water distribution water tank and all links to each other with the basin of sealing the bottom of the case portion.
Above-mentioned dry and wet joint air cooling integrated equipment with cold-storage function of preventing frostbite, exhaust surge tank (5) are installed discharge valve (V4) and are connected with the compressed nitrogen pipeline through admission valve (V5).
The dry-wet combined air cooling integrated equipment with the cold accumulation and anti-freezing functions further comprises a security water tower, and the security water tower is connected with the circulating system pipeline through a switching valve.
Above-mentioned dry wet joint air cooling integrated equipment with cold-storage function of preventing frostbite, exhaust surge tank and refrigeration insulation can all are equipped with level sensor, and exhaust surge tank still is equipped with pressure sensor.
Above-mentioned dry wet joint air cooling integrated equipment with function that prevents frostbite of cold-storage, the moisturizing unit still includes the oxygen-eliminating device, the water inlet and the desalting water pipeline of oxygen-eliminating device link to each other, and the delivery port links to each other with the deoxidization water tank.
The utility model discloses combine air cooler and ice cold-storage unit together futilely wet, utilize ice cold-storage unit alternate peak cold-storage and realize fast peak clipping, not only can reduce the running cost, can reduce the dry wet combined air cooler construction scale moreover to the equipment investment has been reduced. In addition, the ice cold accumulation unit also has the function of an anti-freezing pipe, so that a special anti-freezing device can be omitted, and the equipment cost is further reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are as follows: 1. the system comprises a dry-wet combined air cooler 1-1, a dry-air cooling tube bundle 1-2, a wet-air cooling tube bundle 1-3, a water distribution calandria 1-4, a fan 1-5, a closed box 2, a water distribution cleaning device 2-1, a cleaning agent storage tank 2-2, a water distribution water tank P21, a water distribution pump P22, a cleaning pump 3, a water replenishing unit 3-1, a deaerator 3-2, a deaerating water tank P31, a water replenishing pump 4, an ice cold storage unit 4-1, a refrigerating unit 4-2, a refrigerating heat preservation tank 4-3, a refrigerating coil pipe 5, an exhaust pressure stabilizing tank 6, a security water tower 7, a heat source user P0, a main circulating pump V1, a water replenishing valve V2, a water outlet valve, a V3, a water inlet valve, a V4, a switching valve, a V5, an air inlet valve, a V6 and an exhaust valve.
Detailed Description
The utility model aims to provide a dry and wet joint air cooling integrated equipment with function is prevented frostbite in cold-storage can realize cooling peak clipping in summer, prevents frostbite in winter, and equipment easily washs. The utility model discloses still can reduce the design scale of air cooler, reduce investment cost, improve heat exchange efficiency.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Referring to fig. 1, the combined dry and wet air cooling integrated equipment with cold accumulation and freeze prevention functions comprises a combined dry and wet air cooler 1, a water distribution cleaning device 2, a water replenishing unit 3, an ice cold accumulation unit 4, an exhaust pressure stabilizing tank 5, a security water tower 6, a main circulating pump P0, a switching valve V4, an air inlet valve V5 and an air outlet valve V6. The dry-wet combined air cooler 1 comprises a dry air-cooling tube bundle 1-1, a wet air-cooling tube bundle 1-2, a water distribution calandria 1-3 and a fan 1-4 which are arranged in a closed box 1-5 from top to bottom, the water distribution cleaning device 2 comprises a cleaning agent storage tank 2-1, a water distribution water tank 2-2, a water distribution pump P21 and a cleaning pump P22, the water replenishing unit 3 comprises a deaerator 3-1, a deaerating water tank 3-2, a water replenishing pump P31 and a water replenishing valve V1, and the ice cold storage unit 4 comprises a refrigerating unit 4-1, a refrigerating heat preservation box 4-2, a refrigerating coil 4-3, a water outlet valve V2 and a water inlet valve V3.
The dry-wet combined air cooler 1, the main circulating pump P0 and the heat source user 7 are connected into a closed circulating system through pipelines. Two ends of the water distribution cleaning device 2 are respectively connected with the water distribution calandria 1-3 and the water tank at the bottom of the closed box 1-5. The water supplementing unit 3, the ice cold accumulation unit 4, the exhaust pressure stabilizing tank 5 and the security water tower 6 are connected to a pipeline of the circulating system through a pipeline and a valve, the exhaust pressure stabilizing tank 5 is located at the highest point of the pipeline of the circulating system and connected with a compressed nitrogen source, and the ice cold accumulation unit 4 and the water supplementing unit 3 are connected through a pipeline and a valve. The water distribution cleaning device 2 and the water supplementing unit 3 are both connected with a desalted water supply pipeline.
An air inlet is reserved on one side of the bottom of the closed box 1-5, a water tank is arranged on the lower portion of the closed box, and the dry air-cooling tube bundle 1-1, the water distribution calandria 1-3 and the wet air-cooling tube bundle 1-2 are parallel to each other and can form an included angle of 0-90 degrees with the horizontal plane. A plurality of dry and wet air coolers can be used in parallel to perform modular control, so that the cooling capacity is improved.
The inner pipe strap of the dry-wet combined air cooler 1 is provided with hydrophilic coating fins, so that water film evaporation heat exchange is formed, and the heat exchange efficiency is effectively improved.
One end of a cleaning pump P22 is connected with a cleaning agent storage tank 2-1, and one end of a water distribution pump P21 is connected with a water distribution water tank 2-2. The other ends of the cleaning pump P22 and the water distribution pump P21 are both connected with the water distribution calandria 1-3, and the cleaning agent storage tank 2-1 and the water distribution water tank 2-2 are both connected with the water tank at the bottom of the closed tank 1-5.
The deaerator 3-1, the deaerating water tank 3-2 and the water replenishing pump P31 are connected in sequence through pipelines. The deaerator 3-1 is connected with a demineralized water pipeline, and the water replenishing pump P31 is connected with a circulating system pipeline. The deaerator 3-1 is used for removing oxygen in the water supply and preventing the oxygen from corroding the pipeline.
The refrigerating coil 4-3 is arranged in the refrigerating insulation box 4-2 and is connected with the refrigerating unit 4-1. A liquid level sensor is arranged in the refrigeration heat preservation tank 4-2, one end of the refrigeration heat preservation tank 4-2 is connected with a pipeline between a water replenishing pump P31 in a water replenishing unit and the deaerating water tank 3-2, a water outlet valve V2 is arranged between the water replenishing pump P31 and the deaerating water tank, the other end of the refrigeration heat preservation tank is connected with a pipeline of a circulating system, and a water inlet valve V3 is.
The exhaust pressure stabilizing tank 5 is internally provided with a pressure sensor and a liquid level sensor, and is provided with an exhaust valve V6, and a compressed nitrogen pipeline is provided with an intake valve V5.
The working process of the utility model is as follows:
when the system is started, the water supplementing unit 3 is started firstly, the deaerator 3-1 is started firstly, the desalted water entering the system through the desalted water pipeline is subjected to deoxidation treatment, the obtained desalted and deoxidized water is sent into the deaerating water tank 3-2, the water supplementing valve V1 is opened, the water outlet valve V2 is closed, and the water supplementing pump P31 is opened to supplement the desalted and deoxidized water for the system. Simultaneously, the exhaust valve V6 is opened for exhaust. When the liquid level in the exhaust pressure stabilizing tank reaches a set value, the water replenishing unit 3 is closed, and the exhaust valve V6 is closed at the same time.
The cold accumulation process is that the ice cold accumulation unit 4 starts the refrigerating unit 4-1 when the electric power is in the valley at night, so that the low-temperature refrigerant in the refrigerating coil 4-3 circulates in the pipe, the heat in the refrigerating insulation box 4-2 is absorbed, the deoxygenated water in the refrigerating insulation box 4-2 is cooled and gradually freezes on the surface of the coil, and the refrigeration is stopped after an ice layer with a certain thickness is formed (the freezing time is controlled by the refrigerating time, so that the freezing thickness is controlled, and the freezing time is determined by tests according to different working conditions).
Then the main circulating pump P0 is operated to circulate the desalted and deoxidized water in the pipeline, thus completing the system start-up. After the system is started, the circulating water obtains heat temperature rise at a heat source user, the heat is dissipated through the dry-wet combined air cooler 1, and after the temperature is reduced, the circulating water enters the heat source user for circulating cooling.
In the operation process of the system, the controller measures the ambient temperature in real time, and controls the dry-wet combined air cooler 1, the water distribution cleaning device 2 and the ice cold storage unit 4 by adopting the following control strategies according to the measurement result:
when the ambient air temperature is lower than the set lower limit value T1, the dry-wet combined air cooler 1 executes a pure air cooling mode, and the cooling requirement can be met only by starting the fans 1-4.
When the ambient air temperature is greater than or equal to T1 but less than the set upper limit value T2, the dry-wet combined air cooler 1 enters a dry-wet combined cooling mode, the water distribution cleaning device 2 is started, the water distribution pump P21 is started, desalted water stored in the water distribution water tank 2-2 is pumped into the water distribution calandria 1-3, and water is distributed to the wet air cooling tube bundle 1-2.
When the dry-wet combined air coolers 1 are used in parallel, different cooling modes can be executed by different dry-wet combined air coolers 1 according to the environmental temperature and the actual condition, so that the overall cooling capacity is effectively allocated.
When the ambient temperature is greater than or equal to T2, cold accumulation and peak clipping cooling are started, the starting mode is that a water outlet valve V2 is opened, hot water in a part of circulating pipelines enters the upper portion of a refrigeration heat preservation box 4-2, a water inlet valve V3 is opened, a water supplementing valve V1 is closed, a water supplementing pump P31 is started, cold water in the refrigeration heat preservation box 4-2 is naturally layered, the cold water is added into a circulating system from the lower portion, an ice layer is gradually melted, and peak clipping cooling is achieved through cold water and hot water circulation. When the peak clipping time is insufficient, the refrigerating unit is kept on, and auxiliary cooling is realized. The connection point of the refrigeration insulation can 4-2 and the circulating pipeline in the ice cold accumulation unit is positioned at the junction of the open-air part of the system, so that the water storage of the overground part is favorably emptied, and the water discharge is reduced.
When the liquid level in the exhaust pressure stabilizing tank 5 is lower than a set value, the water supplementing unit 3 is started in the same starting mode as that of the system. The pressure stabilizing process is that when the pressure sensor in the exhaust pressure stabilizing tank 5 detects that the system pressure is higher than a set value, the exhaust valve V6 is opened to discharge the redundant gas for pressure relief, and when the pressure sensor in the exhaust pressure stabilizing tank 5 detects that the system pressure is lower than the set value, the intake valve V5 is opened for pressure supplement.
When the heat source user stops the machine and the temperature drops below the freezing point, in order to prevent the water stored in the tube bundle and the pipeline from freezing, the air inlet valve V5 and the water inlet valve V3 are opened, so that the water stored in the tube bundle and the pipeline positioned in the open air section is quickly discharged into the refrigeration heat preservation box 4-2 for temporary storage through gravity and nitrogen pressure, and the valves are closed after the operation is finished.
When the heat source user restarts the machine, the exhaust valve V6 is opened, one or more water replenishing pumps P31 are started, the water outlet valve V2 is opened, the water replenishing valve V1 is closed, the circulating water temporarily stored in the refrigeration heat preservation tank 4-2 is replenished into the system, and then the system is restarted according to the method of the embodiment 1.
If the main circulating pump P0 is suddenly stopped, the switching valve V4 and the water inlet valve V3 are opened to discharge the security water in the security water tower 6 into the refrigeration heat preservation box, so as to prevent the heat source from burning through accidents (if the water cannot be drained, the water cannot flow, the water at the heat source can be boiled, the local pressure is too high, and the heat source temperature is too high, so the security tower needs to be drained emergently when the circulating power is lost, but the system is closed, and the water in the water tower can be drained at the same time to enable the water to smoothly enter the pipeline).
After the water distribution calandria 1-3 runs for 3-6 months, when the surfaces of the tube bundles and the fins are scaled to a certain degree, the tube bundle fins need to be cleaned, a cleaning pump P22 is started, and the cleaning agent 2-1 in the cleaning agent storage tank is sprayed to the surfaces of the tube bundle fins through the water distribution calandria 1-3 for cleaning.
When the water distribution cleaning device 2 performs tube bundle cleaning or dry-wet combined cooling water distribution, redundant chemicals or spray water are converged into a water tank at the bottom of the dry-wet combined air cooler 1 and respectively flow back to a cleaning chemical storage tank 2-1 or a water distribution water tank 2-2 through gravity, so that recycling is realized.
The main circulating pump P0, the cleaning pump P22, the water distribution pump P21 and the water replenishing pump P31 are all one-used and multi-standby, wherein the water replenishing pump P31 is put into a plurality of standby pumps when the system is started to replenish water, and the starting speed is accelerated.
The cleaning agent storage tank 2-1, the deoxygenation water tank 3-2, the water distribution water tank 2-2 and the refrigeration heat preservation tank 4-2 all comprise liquid level control modules for controlling the stability of the internal liquid level.
The air temperature limit value T1 and the upper limit value T2 are specifically determined according to different conditions of the system, such as heat load, local climate environment and the like, wherein T1 is less than T2.
The utility model has the characteristics of as follows:
1. the utility model discloses a dry and wet joint air cooler can take pure air cooling operation or dry and wet joint operation according to temperature particular case. When the dry-wet combined operation is executed, the water distribution calandria distributes water on the wet air cooling tube bundle, the water film evaporates to absorb heat, the heat exchange efficiency is improved, the air temperature rise is reduced, the heat exchange temperature difference of the dry air cooling tube bundle can be effectively increased, and the overall heat exchange efficiency is high.
2. The utility model discloses according to different ambient temperature, adopt different cooling means respectively, dry wet joint air cooler can carry out the modularization operation, realizes the control regulation of temperature follow-up, avoids the invalid energy consumption under the low temperature, ensures the cooling effect under the high temperature, realizes the water conservation and the economize on electricity of maximize.
3. The utility model discloses a peak shifting cold storage is favorable to adjusting the power consumption peak value, reduces the running cost, utilizes cold-storage medium and the direct heat transfer of circulating water, and heat exchange efficiency is high, and the peak clipping speed is faster.
4. The utility model discloses a mode of quick drainage realizes overhauing frostproofing, and is with low costs, easy operation.
5. The utility model discloses the refrigeration insulation can cold-storage of ice cold-storage unit is used for overhauing the retaining that prevents frostbite winter, and a case is dual-purpose, has effectively reduced equipment area.
The utility model discloses utilize the water distribution calandria to manage the medicament and wash, reduced the washing degree of difficulty.
Claims (8)
1. A cold accumulation and anti-freezing dry-wet combined air cooling integrated device is characterized by comprising a dry-wet combined air cooler (1), a water replenishing unit (3), an ice cold accumulation unit (4) and a main circulating pump (P0), the dry-wet combined air cooler (1), the main circulating pump (P0) and the heat source user (7) are connected into a closed circulating system through pipelines, an exhaust pressure stabilizing tank (5) is arranged at the highest point of a circulating system pipeline, the water supplementing unit (3) comprises a deoxygenation water tank (3-2), a water supplementing valve (V1) and a water supplementing pump (P31), a water inlet pipe of the water replenishing pump (P31) is connected with a water outlet of the oxygen removing water tank (3-2) through a water replenishing valve (V1), a water outlet pipe is connected with a circulating system pipeline, the water inlet pipe of the ice cold storage unit (4) is connected with a circulating system pipeline through a water inlet valve (V3), and the water outlet pipe is connected with the water inlet pipe of a water supplementing pump (P31) through a water outlet valve (V2).
2. The integrated cold-storage and anti-freezing dry and wet combined air-cooling device as claimed in claim 1, wherein the ice-storage unit (4) comprises a refrigerating unit (4-1), a refrigerating and heat-insulating box (4-2) and a refrigerating coil (4-3), the refrigerating coil (4-3) is arranged in the refrigerating and heat-insulating box (4-2) and connected with the refrigerating unit (4-1), a water inlet pipe of the refrigerating and heat-insulating box (4-2) is connected with a circulating system pipeline through a water inlet valve (V3), and a water outlet pipe is connected with a water inlet pipe of a water replenishing pump (P31) through a water outlet valve (V2).
3. The integrated equipment of cold accumulation and freeze prevention combined with dry and wet air cooling as claimed in claim 1 or 2, wherein the combined air cooler (1) comprises a closed box (1-5) and a fan (1-4), a dry air cooling tube bundle (1-1), a water distribution calandria (1-3) and a wet air cooling tube bundle (1-2) which are arranged in the closed box (1-5) from top to bottom, an air inlet is reserved on one side of the bottom of the closed box (1-5), a water tank is arranged on the lower portion of the closed box, and the dry air cooling tube bundle (1-1), the water distribution calandria (1-3) and the wet air cooling tube bundle (1-2) are parallel to each other.
4. The integrated equipment of claim 3, wherein a liquid inlet of the water distribution calandria (1-3) is connected with the water distribution cleaning device (2), the water distribution cleaning device (2) comprises a cleaning agent storage tank (2-1), a water distribution tank (2-2), a cleaning pump (P22) and a water distribution pump (P21), water inlet pipes of the cleaning pump (P22) and the water distribution pump (P21) are respectively connected with the cleaning agent storage tank (2-1) and the water distribution tank (2-2), a water outlet pipe is connected with the liquid inlet of the water distribution calandria (1-3), and the cleaning agent storage tank (2-1) and the water distribution tank (2-2) are both connected with a water tank at the bottom of the closed tank (1-5).
5. The integrated cold-storage and anti-freezing dry and wet combined air-cooling device as claimed in claim 4, wherein the exhaust pressure stabilizing tank (5) is provided with an exhaust valve (V6) and is connected with a compressed nitrogen pipeline through an intake valve (V5).
6. The integrated cold-storage and anti-freezing dry and wet combined air-cooling device as claimed in claim 5, characterized by further comprising a security water tower (6), wherein the security water tower (6) is connected with the circulation system pipeline through a switching valve (V4).
7. The integrated dry and wet combined air-cooling device with cold accumulation and freeze prevention as claimed in claim 6, wherein the exhaust surge tank (5) and the refrigeration heat preservation box (4-2) are both provided with liquid level sensors, and the exhaust surge tank (5) is further provided with a pressure sensor.
8. The integrated cold-storage and anti-freezing dry and wet combined air-cooling device as claimed in claim 7, wherein the water replenishing unit (3) further comprises a deaerator (3-1), a water inlet of the deaerator (3-1) is connected with a desalted water pipeline, and a water outlet of the deaerator is connected with a deaerating water tank (3-2).
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| CN202021099871.0U CN212538872U (en) | 2020-06-15 | 2020-06-15 | Cold-storage and anti-freezing dry-wet combined air cooling integrated equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721141A (en) * | 2020-06-15 | 2020-09-29 | 河钢股份有限公司 | Cold-storage and anti-freezing dry-wet combined air cooling integrated equipment and cooling method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721141A (en) * | 2020-06-15 | 2020-09-29 | 河钢股份有限公司 | Cold-storage and anti-freezing dry-wet combined air cooling integrated equipment and cooling method |
| CN111721141B (en) * | 2020-06-15 | 2024-05-28 | 河钢股份有限公司 | Cold-storage and antifreezing dry-wet combined air cooling integrated equipment and cooling method |
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