阅读说明：本技术 一种冷风机余热化霜系统 (Air cooler waste heat defrosting system ) 是由 高立铭 罗汉香 舒宪峰 高永丰 裘科益 于 2021-08-30 设计创作，主要内容包括：一种冷风机余热化霜系统,属于制冷设备技术领域；包括安装在蒸发箱内的换热管,冷凝箱的顶部上方设置有密封结构的吸热箱,吸热箱的两侧固定穿设有水平的导热支架,导热支架的两端固定连接有竖直向下的吸热板,吸热板位于冷凝箱出风口的外侧,吸热箱内的顶部上设置有连通口,连通口上连通有导流管,在所述吸热箱与冷凝箱之间固定安装膨胀气囊,膨胀气囊与所述的导流管内连通,在所述吸热箱内装填保温冷媒。本发明利用冷风机的冷凝箱排出的热风,将其中的余热吸收,热量在吸热箱内对内部的保温冷媒加热,并且吸热板的吸热量是根据内部的温度进行反馈调节,保持内部温度稳定。(An air cooler waste heat defrosting system belongs to the technical field of refrigeration equipment; including installing the heat exchange tube in the evaporation tank, the top of condenser box is provided with seal structure's heat absorption case, and the both sides of heat absorption case are fixed to be equipped with horizontally heat conduction support of wearing to establish, the vertical decurrent absorber plate of the both ends fixedly connected with of heat conduction support, and the absorber plate is located the outside of condenser box air outlet, is provided with the intercommunication mouth on the top in the heat absorption case, and the intercommunication is gone up the intercommunication and is had the honeycomb duct fixed mounting inflation gasbag between heat absorption case and the condenser box, inflation gasbag with the honeycomb duct in intercommunication the heat absorption incasement fill the heat preservation refrigerant. The invention utilizes the hot air exhausted by the condensation box of the air cooler to absorb the residual heat in the hot air, the heat heats the heat preservation refrigerant inside the heat absorption box, and the heat absorption capacity of the heat absorption plate is fed back and regulated according to the temperature inside the heat absorption box, so that the temperature inside the heat absorption box is kept stable.)

1. An air cooler waste heat defrosting system comprises a heat exchange tube (3) arranged in an evaporation box (1), wherein the heat exchange tube (3) is wound in the evaporation box (1), the heat exchange tube (3) is vertically arranged, the upper end and the lower end of the heat exchange tube (3) are communicated in a storage box (20) through a medium guide tube (19), the medium guide tube (19) communicated with the upper end of the heat exchange tube (3) is introduced into a condensation box (2), two sides of the condensation box (2) are provided with condensation box air outlets (4), and a fan (5) is arranged inside the condensation box; the heat absorption device is characterized in that a heat absorption box (6) with a sealing structure is arranged above the top of the condensation box (2), horizontal heat conduction supports (7) are fixedly arranged on two sides of the heat absorption box (6) in a penetrating mode, two ends of each heat conduction support (7) are fixedly connected with heat absorption plates (8) which vertically face downwards, the heat absorption plates (8) are located on the outer sides of air outlets (4) of the condensation box, and heat carried by air blown out from the air outlets (4) of the condensation box is in contact with the heat absorption plates (8) so that the heat is transmitted to the interior of the heat absorption box (6) along the heat absorption plates (8) and the heat conduction supports (7); a communicating opening (10) is formed in the top of the inside of the heat absorption box (6), a flow guide pipe (11) is communicated with the communicating opening (10), an expansion air bag (12) is fixedly installed between the heat absorption box (6) and the condensation box (2), the expansion air bag (12) is communicated with the inside of the flow guide pipe (11), and a heat preservation refrigerant is filled in the heat absorption box (6);

the heat preservation refrigerant is heated to generate steam, so that the air pressure in the heat absorption box (6) is increased, a part of the steam enters the expansion air bag (12) along the guide pipe (11) to expand the expansion air bag (12), the whole heat absorption box (6) is driven to move upwards after expansion, the heat absorption box (6) moves upwards to enable the heat absorption plate (8) to follow upwards, the steam deviates upwards from the air outlet (4) of the condensation box, heat absorption is reduced, the temperature of the steam in the heat absorption box is gradually reduced, the expansion air bag (12) is contracted to enable the heat absorption box (6) to descend, and the heat absorption plate (8) is sent to the position of the air outlet (4) of the condensation box again to absorb heat;

the heat absorption box is characterized in that a water tank (13) is fixedly installed in the heat absorption box (6), spray water is filled in the water tank (13), a water inlet pipe and a water outlet pipe (14) are communicated in the water tank (13), a water outlet pump (15) is arranged on the water outlet pipe (14), the water outlet pipe (14) is communicated with a spray pipe (16) installed at the top in the evaporation box (1), and a water outlet pipe (17) is communicated with the bottom of the evaporation box (1).

2. The air cooler waste heat defrosting system according to claim 1, characterized in that: a medium guide pipe (19) between the lower end of the heat exchange pipe (3) and the storage box (20) is provided with a conveying pump (21), and two sides of the evaporation box (1) are provided with evaporation box vents (18).

3. The air cooler waste heat defrosting system according to claim 1, characterized in that: the area of the heat absorbing plate (8) is larger than that of the air outlet (4) of the condensing box.

4. An air cooler waste heat defrosting system according to claim 1 or 3, characterized in that: the heat conducting bracket (7) and the heat absorbing plate (8) are made of heat conducting materials.

5. The air cooler waste heat defrosting system according to claim 4, characterized in that: the heat absorbing plate (8) is provided with a plurality of meshes.

6. The air cooler waste heat defrosting system according to claim 1, characterized in that: when the expansion air bag (12) is not filled with heat preservation refrigerant steam, the lower end of the heat absorbing plate (8) is flush with the lower end of the air outlet (4) of the condensing box.

7. The air cooler waste heat defrosting system according to claim 1, characterized in that: and a circle of heat transfer plate (9) is arranged on the outer side of the water tank (13) in a surrounding manner, and the heat transfer plate (9) is fixedly connected with the heat conduction bracket (7).

8. The air cooler waste heat defrosting system according to claim 1, characterized in that: the spray pipe (16) is provided with a plurality of nozzles which are vertically downward.

Technical Field

The invention belongs to the technical field of refrigeration equipment, and particularly relates to an air cooler waste heat defrosting system.

Background

The air cooler is divided into an industrial air cooler for refrigeration and a household air cooler, the industrial air cooler is generally used in a refrigeration house and a cold-chain logistics refrigeration environment, the household air cooler is also called as a water-cooled air conditioner, and the air cooler is an evaporative cooling and ventilating unit integrating cooling, ventilating, dust prevention, odor removal and humidification.

The air-cooler uses the back heat exchange tube for a long time and can produce a large amount of frost on the surface, leads to coefficient of heat transfer to reduce, and the heat transfer difference in temperature increases, and evaporating temperature reduces, and compressor's pressure ratio increases, and refrigerating system's operating performance descends, and current defrosting melts the frost through the heating, but needs the air-cooler to provide great power and heats, has increased the energy consumption of air-cooler, consequently, needs to provide a system that utilizes the air-cooler waste heat to defrost.

Disclosure of Invention

The invention aims to provide an air cooler waste heat defrosting system to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an air cooler waste heat defrosting system comprises a heat exchange tube arranged in an evaporation box, wherein the heat exchange tube is coiled in the evaporation box and is vertically arranged, the upper end and the lower end of the heat exchange tube are communicated in a storage box through a medium guide tube, the medium guide tube communicated with the upper end of the heat exchange tube is introduced into a condensation box to exchange heat with the interior of the condensation box and take away heat, so that a cooling refrigerant is condensed into liquid and enters the storage box along the medium guide tube, two sides of the condensation box are provided with condensation box air outlets, fans are arranged inside the condensation box, air is fed into the condensation box through the fans, the temperature in the condensation box is reduced, condensation is realized, and waste heat with heat is blown out of the condensation box air outlets; a heat absorption box with a sealing structure is arranged above the top of the condensation box, horizontal heat conduction supports are fixedly arranged on two sides of the heat absorption box in a penetrating mode, two ends of each heat conduction support are fixedly connected with heat absorption plates which are vertically downward, the heat absorption plates are located on the outer sides of air outlets of the condensation box, air blown out of the air outlets of the condensation box carries heat, and the hot air is in contact with the heat absorption plates, so that the heat is transferred to the interior of the heat absorption box along the heat absorption plates and the heat conduction supports to heat the interior of the heat absorption box; the top in the heat absorption box is provided with a communication port, the communication port is communicated with a flow guide pipe, an expansion airbag is fixedly arranged between the heat absorption box and the condensing box and is communicated with the inside of the flow guide pipe, a heat preservation refrigerant is filled in the heat absorption box and is heated to generate steam, so that the air pressure in the heat absorption box is increased, a part of the steam enters the expansion airbag along the flow guide pipe, the expansion airbag is expanded, the whole heat absorption box is driven to move upwards after expansion, the heat absorption box moves upwards after the expansion airbag is expanded, a heat absorption plate also moves upwards along with the heat absorption plate and deviates upwards from an air outlet of the condensing box, the contact with hot air is reduced, the heat absorption is reduced, the temperature of the steam in the heat absorption box is gradually reduced and condensed, the expansion airbag contracts to enable the heat absorption box to descend, the heat absorption plate can be sent to the position of the air outlet of the condensing box again to absorb heat, and the temperature in the heat absorption plate can be kept constantly, and does not require an electronic control unit for temperature control; a water tank is fixedly arranged in the heat absorption box, spray water is filled in the water tank, and the temperature of the spray water in the heat absorption box is increased through the temperature increase in the heat absorption box; the water tank in-connection has inlet tube and outlet pipe, is provided with out the water pump on the outlet pipe, takes the hot water in the water tank out, and the outlet pipe communicates with the shower of installing the top in the evaporating box, waters hot water to the heat exchange tube of below, and with the frost contact on heat exchange tube surface, make the frost melt fast and fall down, at the bottom intercommunication drain pipe of evaporating box, the water that will spray is discharged.

Further: install the delivery pump on the medium honeycomb duct between the lower extreme of heat exchange tube and the bin, take out the cooling refrigerant in the bin and send into in the heat exchange tube, the both sides of evaporating chamber all are provided with the evaporating chamber vent, and the air that needs the cooling is sent into the evaporating chamber in from the evaporating chamber vent of one side, is exported through the evaporating chamber vent of other one side after being endothermic, provides air conditioning.

Further: the area of the heat absorbing plate is larger than that of the air outlet of the condensing box, so that the contact area of the heat absorbing plate and hot air exhausted from the air outlet of the condensing box is increased.

Further: the heat conducting bracket and the heat absorbing plate are made of heat conducting materials.

Further: the heat absorption plate is provided with a plurality of meshes, so that the fluidity of air discharged from the air outlet of the condensing box is ensured, and meanwhile, the contact area with the heat absorption plate is increased.

Further: and when no heat preservation refrigerant steam exists in the expansion air bag, the lower end of the heat absorbing plate is flush with the lower end of the air outlet of the condensing box.

Further: the outer side of the water tank is surrounded with a circle of heat transfer plate which is fixedly connected with the heat conduction bracket to uniformly transfer heat through the heat transfer plate.

Further: the spray pipe is provided with a plurality of vertically downward nozzles, and hot water is sent into the spray pipe and is sprayed out downwards.

Compared with the prior art, the invention has the beneficial effects that: the waste heat of the hot air exhausted by the condensation box of the air cooler is absorbed, the heat heats the internal heat-preservation refrigerant in the heat absorption box, the heat absorption capacity of the heat absorption plate is subjected to feedback adjustment according to the internal temperature, the internal temperature is kept stable, most of the water temperature of the internal spray water is determined by the characteristics of the heat-preservation refrigerant, the temperature change is small, and electronic elements such as a sensor and the like are not needed for temperature control; spray water in the heat absorption box is introduced into the spray pipe above the heat exchange pipe during defrosting, and hot water is sprayed to the heat exchange pipe downwards directly to melt frost on the surface and defrost. The system makes full use of the waste heat discharged by the air cooler to defrost, and the warm water is stable and convenient to operate.

Drawings

Fig. 1 is a schematic structural diagram of an air cooler waste heat defrosting system.

Fig. 2 is a schematic diagram of external connection of a heat absorption box in an air cooler waste heat defrosting system.

Fig. 3 is a schematic diagram of an internal structure of a heat absorption box in an air cooler waste heat defrosting system.

In the figure: the heat exchange device comprises a 1-evaporation tank, a 2-condensation tank, a 3-heat exchange tube, a 4-condensation tank air outlet, a 5-fan, a 6-heat absorption tank, a 7-heat conduction support, an 8-heat absorption plate, a 9-heat transfer plate, a 10-communication port, an 11-flow guide tube, a 12-expansion air bag, a 13-water tank, a 14-water outlet tube, a 15-water outlet pump, a 16-spray tube, a 17-water discharge tube, an 18-evaporation tank air outlet, a 19-medium flow guide tube, a 20-storage tank and a 21-delivery pump.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a defrosting system by waste heat of an air cooler is shown in figures 1-3 and comprises a heat exchange tube 3 arranged in an evaporation box 1, wherein the heat exchange tube 3 is wound in the evaporation box 1, the heat exchange tube 3 is vertically arranged, the upper end and the lower end of the heat exchange tube 3 are communicated in a storage box 20 through a medium guide tube 19, a conveying pump 21 is arranged on the medium guide tube 19 between the lower end and the storage box 20, a cooling refrigerant in the storage box 20 is pumped out and sent into the heat exchange tube 3, evaporation box vents 18 are arranged on two sides of the evaporation box 1, air needing cooling is sent into the evaporation box 1 from the evaporation box vent 18 on one side, and is output through the evaporation box vent 18 on the other side after being absorbed with heat to provide cold air; medium honeycomb duct 19 of the upper end intercommunication of heat exchange tube 3 lets in the condensing box 2, carry out the heat transfer in with the condensing box 2, take away the heat, thereby to cool down the refrigerant condensation and become liquid, enter into bin 20 along medium honeycomb duct 19, the both sides of condensing box 2 are provided with condensing box air outlet 4, internally mounted has fan 5, send into the air to inside through fan 5, reduce the temperature in the condensing box 2, realize the condensation, blow off from condensing box air outlet 4 and have thermal waste heat, the waste heat that need blow off condensing box air outlet 4 is recycled.

Specifically, a heat absorption box 6 with a sealing structure is arranged above the top of the condensation box 2, horizontal heat conduction supports 7 are fixedly arranged on two sides of the heat absorption box 6 in a penetrating mode, heat absorption plates 8 which are vertically downward are fixedly connected to two ends of each heat conduction support 7, each heat absorption plate 8 is positioned on the outer side of an air outlet 4 of the condensation box, the area of each heat absorption plate 8 is larger than that of the air outlet 4 of the condensation box, the contact area of the heat absorption plates 8 and the hot air exhausted from the air outlet 4 of the condensation box is increased, the heat conduction supports 7 and the heat absorption plates 8 are made of heat conduction materials, the air blown out from the air outlet 4 of the condensation box carries heat, the hot air is in contact with the heat absorption plates 8, the heat is transmitted to the inner portion of the heat absorption box 6 along the heat absorption plates 8 and the heat conduction supports 7, the inside of the heat absorption box 6 is heated, and the air blown out from the air outlet 4 of the condensation box is not blocked by the heat absorption plates 8, a plurality of meshes are arranged on the heat absorption plates 8, and the fluidity of the air exhausted from the air outlet 4 of the condensation box is ensured, meanwhile, the contact area with the heat absorbing plate 8 is increased; the top in the heat absorption box 6 is provided with a communication port 10, the communication port 10 is communicated with a flow guide pipe 11, an expansion airbag 12 is fixedly arranged between the heat absorption box 6 and the condensation box 2, the expansion airbag 12 is communicated with the flow guide pipe 11, a heat preservation refrigerant is filled in the heat absorption box 6, the heat preservation refrigerant is heated to generate steam, the air pressure in the heat absorption box 6 is increased, a part of steam enters the expansion airbag 12 along the flow guide pipe 11, so that the expansion airbag 12 expands, the whole heat absorption box 6 is driven to move upwards after expansion, the lower end of the heat absorption plate 8 is flush with the lower end of the air outlet 4 of the condensation box when no heat preservation refrigerant steam exists in the expansion airbag 12, the heat absorption box 6 moves upwards after the expansion airbag 12 expands, the heat absorption plate 8 also follows upwards and deviates upwards from the air outlet 4 of the condensation box, the contact with hot air is reduced, the heat absorption is reduced, and the internal steam is cooled and condensed gradually, the expansion airbag 12 contracts to lower the heat absorption box 6, the heat absorption plate 8 is sent to the position of the condenser box air outlet 4 again to absorb heat, the internal temperature can be kept constantly, and the electronic control unit does not need to control the temperature.

A water tank 13 is fixedly installed in the heat absorption box 6, the water tank 13 is made of heat conduction materials, spray water is filled in the water tank 13, the temperature of the spray water in the water tank is increased through the temperature increase in the heat absorption box 6, in order to improve the heating effect on the water tank 13, a circle of heat transfer plates 9 are arranged around the outer side of the water tank 13, the heat transfer plates 9 are fixedly connected with the heat conduction support 7, and heat is uniformly transferred through the heat transfer plates 9; the water tank 13 in-connection has inlet tube and outlet pipe 14, be provided with out water pump 15 on the outlet pipe 14, take the hot water in the water tank 13 out, outlet pipe 14 communicates with the shower 16 of installing top in evaporating box 1, shower 16 is provided with the vertical decurrent nozzle of a plurality of, hot water is sent into the shower 16 in to spout, water hot water is watered to the heat exchange tube 3 of below, contact with the frost on heat exchange tube 3 surface, make the frost melt fast and fall down, communicate drain pipe 17 in the bottom of evaporating box 1, the water that will spray is discharged.

When the air cooler normally works, the conveying pump 21 sends cooling refrigerants in the storage box 20 into the heat exchange tube 3, the cooling refrigerants exchange heat with the entering air in the heat exchange tube 3 to absorb heat of the air entering the evaporation box 1 to cool the air, the air is blown out from the other side of the evaporation box 1 and is converted into steam after absorbing heat, the steam enters the condensation box 2 along the medium guide tube 19, the cooling refrigerants are cooled and condensed into liquid in the condensation box 2 and are sent back to the storage box 20 again, the heat exchanged in the condensation box 2 is sent out from the condensation box air outlet 4, the system can recycle the heat blown out from the condensation box air outlet 4, hot air blown out from the condensation box air outlet 4 is contacted with the heat absorption plate 8 to exchange heat, the heat is transmitted into the refrigerant 6 through the heat conduction bracket 7 by the heat absorption plate 8 to heat the heat absorption box 6, the heat in the heat absorption box 6 is heated, and the heat preservation in the heat absorption box 6 is converted into steam after being heated, make inside atmospheric pressure increase, vapor makes inflation gasbag 12 inflation in being sent into inflation gasbag 12, the inflation of inflation gasbag 12 makes 8 rebound of absorber plate and the separation of condensing box air outlet 4, there is not vapor liquid in the heat absorption case 6 behind the heat transfer to make inflation gasbag 12 shrink, so reciprocal inside temperature of assurance, water in the inside water tank 13 also keeps unanimous with the temperature of heat preservation refrigerant, it can change the frost to spray water to heat exchange tube 3 in sending into shower 16 with hot water to open water pump 15 when needs change the frost, the system can keep the utilization to the waste heat, guarantee the temperature of inside shower water, it is more stable to use.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.