CN111735257A - Grain cooling machine - Google Patents
Grain cooling machine Download PDFInfo
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- CN111735257A CN111735257A CN202010555220.6A CN202010555220A CN111735257A CN 111735257 A CN111735257 A CN 111735257A CN 202010555220 A CN202010555220 A CN 202010555220A CN 111735257 A CN111735257 A CN 111735257A
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- air
- liquid
- air flow
- collecting tank
- water tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/16—Arrangements in forage silos
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
Abstract
The invention relates to a grain cooling machine, which comprises a machine body, wherein a condenser, an evaporator and a hot air blower are arranged in the machine body, a hot air flow passage is arranged on the machine body, the condenser and the hot air blower are arranged in the hot air flow passage, the hot air flow passage is provided with an air inlet and an air outlet, a dust removal device is also arranged on the machine body, the dust removal device comprises a water tank, an air inlet pipe and an air outlet pipe, liquid storage is arranged in the water tank, the air inlet pipe and the air outlet pipe are both communicated with the inside and the outside of the water tank, one end of the air inlet pipe extends into the position below the liquid level of the water tank, one end of the air outlet pipe is arranged above the liquid level of the water tank. The outside air enters the air inlet pipe, dust in the air is absorbed by liquid, the air after dust removal carries fine liquid drops to enter the hot air flow channel, the air absorbs the heat of the condenser to heat up, the small liquid drops contact the condenser and absorb heat to be gasified, and the heat exchange of the medium at the condenser is accelerated.
Description
Technical Field
The invention relates to the technical field of cooling machines, in particular to a grain cooling machine.
Background
A grain cooler is mainly applied to places such as granaries, storage warehouses and the like and used for reducing the air temperature.
The existing grain cooling machine comprises a machine body, and a compressor, a condenser, an expansion valve, an evaporator and an air cooler which are arranged in the machine body. The working principle is as follows: the high-temperature medium compressed by the compressor enters a condenser, and the high-temperature medium is subjected to heat exchange with the ambient temperature outside the granary at the condenser to realize cooling of the medium; then, the cooled low-temperature medium enters an evaporator after being expanded by an expansion valve, the low-temperature medium exchanges heat with air sucked by an air cooler at the evaporator to absorb a large amount of heat, and then enters a compressor, and the circulation is performed; meanwhile, the air cooled by the evaporator is sent into the bin by the air cooler.
The above prior art solutions have the following drawbacks: when the high-temperature medium is heated by heat exchange with the ambient temperature outside the grain bin at the condenser, the air heater is usually used to accelerate the air flow around the condenser so as to accelerate the heat exchange, but the air usually contains dust, and when the dust drifts to the condenser along with the air, the dust easily covers the surface of the condenser, thereby hindering the heat exchange between the high-temperature medium and the air.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the purposes of the invention is to provide a grain cooling machine, wherein outside air enters a water tank through an air inlet pipe, dust in the air is adsorbed by liquid, the air after dust removal enters a hot air flow channel with fine liquid drops, the air absorbs the heat of a condenser to heat up, the liquid drops contact the condenser and absorb heat to be gasified, and the heat exchange of a high-temperature medium at the condenser is accelerated.
The above object of the present invention is achieved by the following technical solutions:
a grain cooler comprises a machine body, wherein a compressor, a condenser, an expansion valve, an evaporator, an air cooler and a hot air blower are arranged in the machine body, a hot air flow passage is arranged on the machine body, the condenser is arranged in the hot air flow passage, the hot air flow passage is provided with an air inlet and an air outlet, the hot air blower is communicated with the hot air flow passage, a dust removal device is further arranged on the machine body and comprises a water tank, an air inlet pipe and an air outlet pipe, a cavity for storing liquid is arranged in the water tank, the air inlet pipe and the air outlet pipe are both communicated with the inside and the outside of the water tank, one end of the air inlet pipe extends below the liquid level of the water tank, the other end of the air inlet pipe is communicated with the external atmosphere, one end of the air outlet pipe is arranged above the liquid level of the water, and the notch of the liquid collecting tank faces upwards, and a liquid conveying pipe is arranged between the liquid collecting tank and the water tank.
By adopting the technical scheme, when the equipment works, the air cooler rotates to enable air to flow around the evaporator and to be cooled, at the moment, moisture in the air is condensed on the surface of the evaporator, and condensed water flows downwards along the surface of the evaporator and is collected in the liquid collecting tank and then is conveyed into the water tank through the liquid conveying pipe;
the air heater rotates to enable air to flow in the hot air flow channel so as to accelerate the air flow on the peripheral side of the condenser, negative pressure is generated at an air inlet of the hot air flow channel, outside air enters the air inlet pipe and contacts liquid in the water tank, dust in the outside air is adsorbed by the liquid, dust removal is realized, the dust is prevented from covering the surface of the condenser, and the heat exchange rate of a high-temperature medium and the air is ensured;
meanwhile, the liquid in the water tank comes from condensed water, and the temperature of the condensed water is lower, so that the external air is cooled; meanwhile, the air after dust removal and temperature reduction enters the hot air flow channel with fine liquid drops, the air after temperature reduction absorbs the heat of the condenser to heat up, the liquid drops contact the condenser and absorb heat to be gasified, and the heat exchange of the high-temperature medium at the condenser is accelerated.
The present invention in a preferred example may be further configured to: the machine body is further provided with a cold air flow passage, the evaporator is arranged in the cold air flow passage, the air cooler is communicated with the cold air flow passage, one end of the cold air flow passage is communicated with the air outlet pipe, and the other end of the cold air flow passage is communicated to the granary.
By adopting the technical scheme, the air cooler rotates to enable air to flow in the cold air flow channel so as to accelerate the air flow on the peripheral side of the evaporator and facilitate the heat exchange of the evaporator, meanwhile, the air in the cold air flow channel is derived from the air subjected to dust removal by the water tank, so that the dust is prevented from covering the surface of the evaporator, and the heat exchange rate of the evaporator and the air is ensured;
meanwhile, the water vapor carried in the air is condensed on the evaporator and flows back to the water tank through the liquid collecting tank and the liquid conveying pipe.
The present invention in a preferred example may be further configured to: the infusion tube is provided with a water pump.
Through adopting above-mentioned technical scheme, utilize the water pump to carry the comdenstion water in the collecting tank to the water tank in, then the height of collecting tank can be less than the water tank, the production and the use of the grain cooler of being convenient for.
The present invention in a preferred example may be further configured to: the water pump is characterized in that a starting assembly is arranged in the liquid collecting tank and comprises a sleeve, a starting switch and a floating ball, a water through hole is formed in the side wall of the sleeve, the upper end of the sleeve is sealed, the starting switch is arranged at the top of the sleeve, the floating ball is embedded in the sleeve in a sliding mode and floats on the liquid level, and the floating ball floats on the liquid level and abuts against the starting switch along with the floating of the liquid level to start the water pump.
By adopting the technical scheme, the condensed water is gathered in the liquid collecting tank, the liquid level in the liquid collecting tank rises, the floating ball floats upwards along with the liquid level and collides with the starting switch to start the water pump, and the water pump operates to suck the condensed water; the water pump operates to enable the liquid level of the condensed water to descend, the floating ball is separated from the starting switch along with the liquid level descending, and the water pump stops operating;
the above-mentioned process of circulation realizes opening according to the liquid level in the collecting tank is automatic to stop the water pump, effectively avoids the comdenstion water to spill over the collecting tank, simultaneously, avoids the water pump to take out the collecting tank futilely and leads to the water pump to change futilely.
The present invention in a preferred example may be further configured to: the sleeve slides along the vertical direction and is arranged in the liquid collecting tank, the lower end of the sleeve is communicated with a floating barrel, the lower end of the floating barrel is sealed, the floating ball is embedded in the floating barrel in a sliding manner, and when the floating barrel is filled with liquid, the floating barrel is suspended in the liquid.
By adopting the technical scheme, the condensed water is gathered in the liquid collecting tank, the liquid level in the liquid collecting tank rises, the buoy floats on the liquid level at the moment, the buoy slides upwards to the upper end of the sleeve to abut against the evaporator, the buoy stops moving upwards, then the liquid level in the liquid collecting tank continues rising, and the condensed water enters the buoy through the water through hole, so that the floating ball moves upwards in the buoy and the sleeve until the floating ball collides with the starting switch to start the water pump;
the water pump operates to enable the liquid level in the liquid collecting tank to descend, at the moment, the buoy and the sleeve move downwards, the top of the sleeve is higher than the liquid level by means of the buoyancy of the floating ball, namely, the floating ball keeps a state of abutting against the starting switch, and the water pump operates continuously;
the liquid level in the liquid collecting tank continuously descends, the floating barrel and the sleeve move downwards along with the liquid level, until the lower end of the floating barrel abuts against the bottom of the liquid collecting tank, the floating barrel and the sleeve do not move downwards, condensed water in the sleeve is discharged from the water through hole, the floating ball moves downwards along with the descending of the liquid level, the floating ball is separated from the starting switch, the water pump stops rotating, and at the moment, the condensed water is reserved in the liquid collecting tank to prevent the water pump from rotating dry.
The present invention in a preferred example may be further configured to: the lower extreme of flotation pontoon is equipped with the outlet, the lower extreme cover in outlet has the shell fragment, the shell fragment has elasticity, one side fixed connection flotation pontoon's of shell fragment lower extreme.
By adopting the technical scheme, when the floating ball is separated from the starting switch, the rotating speed of the water pump is generally gradually reduced to zero, in the process, the water pump can extract part of condensed water in the liquid collecting tank, so that the liquid level in the liquid collecting tank is lower than the liquid level in the floating barrel, the condensed water in the floating barrel pushes away the elastic sheet and flows into the liquid collecting tank, a part of the condensed water is left in the floating barrel, and preparation is made for the floating barrel to move upwards along with the rise of the liquid level in the liquid collecting tank next time;
and when the float bowl floats on the liquid level, the liquid level in the float bowl is lower than the liquid level in the liquid collecting tank, and the condensed water in the liquid collecting tank enables the elastic sheet to compress the end surface of the float bowl so as to prevent the condensed water in the liquid collecting tank from entering the float bowl through the water outlet.
The present invention in a preferred example may be further configured to: the liquid trap is equipped with the stopper side by side in, the periphery of flotation pontoon is equipped with the otic placode, the otic placode is located two between the stopper, during the lower extreme butt stopper of otic placode, there is the interval between the lower extreme of flotation pontoon and the tank bottom of liquid trap.
Through adopting above-mentioned technical scheme, there is the interval between the lower extreme of flotation pontoon and the tank bottom of collecting tank, and this interval is used for the space that supplies shell fragment elastic deformation to guarantee that the hydroenergy in the flotation pontoon can be discharged via the outlet, prepare along with the liquid level come-up for the flotation pontoon next time.
The present invention in a preferred example may be further configured to: and a flow guide rod is arranged in the liquid collecting tank, and the upper end of the flow guide rod is abutted to the outer wall of the evaporator.
By adopting the technical scheme, the condensed water on the surface of the evaporator flows downwards along the guide rod, so that the condensed water is prevented from being retained on the surface of the evaporator and blocking the heat exchange of the evaporator.
The present invention in a preferred example may be further configured to: and the water tank is also provided with a fluid infusion port.
By adopting the technical scheme, the quantity of the condensed water is limited, and the liquid needs to be supplemented into the water tank at regular time so as to ensure the normal work of the dust removal device.
In summary, the invention includes at least one of the following beneficial technical effects:
external air enters the water tank through the air inlet pipe, dust in the air is adsorbed by liquid, dust removal is realized, the dust is prevented from covering the surface of the condenser, and the heat exchange rate of a high-temperature medium and the air is ensured;
the liquid in the water tank comes from condensed water, the temperature of the condensed water is low, the cooling of the outside air is realized, and the heat dissipation effect of the air on the condenser is improved;
the air after dust removal and temperature reduction enters a hot air flow channel with fine liquid drops, the air after temperature reduction absorbs the heat of a condenser to increase the temperature, the liquid drops contact the condenser and absorb heat for gasification, and the heat exchange of a high-temperature medium at the condenser is accelerated;
the condensed water in the liquid collecting tank is conveyed into the water tank by the water pump, so that the height of the liquid collecting tank can be lower than that of the water tank, and the production and the use of the grain cooling machine are facilitated;
the starting assembly is arranged in the liquid collecting tank, the water pump is automatically started and stopped according to the liquid level in the liquid collecting tank, the condensate water is effectively prevented from overflowing the liquid collecting tank, and meanwhile, the water pump is prevented from pumping the liquid collecting tank to be dry and rotating the water pump.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic view of the internal structure of the cold air flow passage and the hot air flow passage.
Fig. 3 is a schematic structural view of the dust removing device.
FIG. 4 is a schematic view showing the structure of the sump, the cool air flow passage, the water pump and the water tank.
FIG. 5 is a schematic view of the internal structure of the sump.
Fig. 6 is a schematic structural diagram of the actuating assembly.
In the figure, 1, a machine body; 11. a compressor; 12. an expansion valve; 2. a hot air flow passage; 21. a condenser; 22. a hot air blower; 3. a cold air flow passage; 31. an evaporator; 32. an air cooler; 4. a dust removal device; 41. a water tank; 411. a cavity; 412. a fluid infusion port; 413. a liquid discharge port; 414. a sealing cover; 42. an air inlet pipe; 43. an air outlet pipe; 5. a liquid collecting tank; 51. a guide rod; 52. a transfusion tube; 53. a water pump; 54. a limiting block; 6. starting the component; 61. a sleeve; 611. a water through hole; 62. a float bowl; 621. a liquid discharge port; 622. a spring plate; 63. a floating ball; 64. an ear plate; 65. the switch is activated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a grain cooler disclosed by the present invention includes a machine body 1, a hot air flow passage 2 and a cold air flow passage 3, a compressor 11 and an expansion valve 12 are disposed in the machine body 1, a condenser 21 is disposed in the hot air flow passage 2, the hot air flow passage 2 is communicated with a hot air blower 22, an evaporator 31 is disposed in the cold air flow passage 3, the cold air flow passage 3 is communicated with a cold air blower 32, and a medium circulates among the compressor 11, the condenser 21, the expansion valve 12 and the evaporator 31 in sequence through pipes.
The high-temperature medium compressed by the compressor 11 enters the condenser 21, and the high-temperature medium is subjected to heat exchange with the ambient temperature outside the granary at the condenser 21 to realize cooling of the medium; then, the cooled low-temperature medium enters the evaporator 31 after being expanded by the expansion valve 12, the low-temperature medium exchanges heat with the air sucked by the air cooler 32 at the evaporator 31 to absorb a large amount of heat, and then enters the compressor 11, and the circulation is performed; meanwhile, the air cooled by the evaporator 31 is sent into the cabin by the air cooler 32.
Referring to fig. 2 and 3, the hot air flow passage 2 and the cold air flow passage 3 both have an air inlet and an air outlet, the air inlets of the hot air flow passage 2 and the cold air flow passage 3 are connected to each other and connected to a dust removing device 4, and the dust removing device 4 is used to remove dust from the air entering the hot air flow passage 2 and the cold air flow passage 3, so as to prevent the dust from covering the surfaces of the condenser 21 and the evaporator 31.
The dust removing device 4 comprises a water tank 41, an air inlet pipe 42 and an air outlet pipe 43, a cavity 411 for storing liquid is arranged in the water tank 41, the air inlet pipe 42 and the air outlet pipe 43 are both communicated with the inside and the outside of the water tank 41, one end of the air inlet pipe 42 extends into the position below the liquid level of the water tank 41, the other end of the air inlet pipe 42 is communicated with the outside atmosphere, one end of the air outlet pipe 43 is arranged above the liquid level of the water tank 41, and the.
When the device works, the hot air blower 22 and the cold air blower 32 rotate, so that air flows in the hot air flow channel 2 and the cold air flow channel 3, negative pressure is generated at the air inlet, outside air enters the water tank 41 through the air inlet pipe 42 and fully contacts liquid in the water tank 41, dust in the air is adsorbed by the liquid, and dust removal is realized.
The upper end of the water tank 41 is provided with a fluid infusion port 412, the lower end of the water tank 41 is provided with a fluid discharge port 621413, the fluid infusion port 412 and the fluid discharge port 621413 are respectively provided with a sealing cover 414, after the water tank 41 is used for a period of time, a large amount of dust is suspended in the fluid, the fluid in the water tank 41 is drained through the fluid discharge port 621413, and then the fluid is supplemented into the water tank 41 through the fluid infusion port 412.
Referring to fig. 4 and 5, still be equipped with the catch basin 5 on the inner wall of cold wind runner 3, the notch of catch basin 5 is upwards, and catch basin 5 is located evaporimeter 31 under, the lower extreme salient of catch basin 5 is in the outer wall of cold wind runner 3, still is equipped with water conservancy diversion pole 51 in the catch basin 5, and water conservancy diversion pole 51 extends along vertical direction, and the upper end butt evaporimeter 31's of water conservancy diversion pole 51 outer wall, is equipped with transfer line 52 between catch basin 5 and the water tank 41, and is equipped with water pump 53 on the transfer line 52.
The air flowing in the cold air flow passage 3 is cooled by the evaporator 31, moisture in the air is condensed on the surface of the evaporator 31, and the condensed water flows down along the surface of the evaporator 31 and the guide rod 51, is collected in the liquid collecting tank 5, and is then conveyed to the water tank 41 through the liquid conveying pipe 52.
Referring to fig. 5 and 6, a starting assembly 6 is further arranged in the liquid collecting tank 5, and the starting assembly 6 automatically starts and stops the water pump 53 according to the liquid level in the liquid collecting tank 5.
The starting assembly 6 comprises a sleeve 61, a buoy 62 and a floating ball 63; the upper end of the sleeve 61 is closed, and a water through hole 611 is formed in the side wall of the sleeve 61; the float bowl 62 is arranged at the lower end of the sleeve 61, the lower end of the float bowl 62 is provided with a liquid outlet 621413, the lower end of the liquid outlet 621413 is covered with an elastic sheet 622, the elastic sheet 622 has elasticity, one side of the elastic sheet 622 is fixedly connected with the lower end of the float bowl 62, and the elastic sheet 622 has a tendency of tightly abutting against the lower end face of the float bowl 62; the outer walls of the sleeve 61 and the buoy 62 are respectively provided with an ear plate 64, and the ear plates 64 are sleeved on the flow guide rod 51 in a sliding manner; the guide rod 51 is further provided with two limit blocks 54, and the ear plate 64 slides between the two limit blocks 54; the floating ball 63 is embedded in the sleeve 61 and the float 62 in a sliding way, and the sleeve 61 is provided with a starting switch 65 at the top.
The condensed water is gathered in the liquid collecting tank 5, the liquid level in the liquid collecting tank 5 rises, at the moment, the float bowl 62 floats on the liquid level, the float bowl 62 slides upwards until the upper end of the lug plate 64 abuts against the limiting block 54, the float bowl 62 stops moving upwards, then, the liquid level in the liquid collecting tank 5 continues rising, the condensed water enters the float bowl 62 through the water through hole 611, the floating ball 63 moves upwards in the float bowl 62 and the sleeve 61 until the floating ball 63 abuts against the starting switch 65 to start the water pump 53;
the water pump 53 operates to enable the liquid level in the liquid collecting tank 5 to descend, at the moment, the buoy 62 and the sleeve 61 move downwards, the top of the sleeve 61 is higher than the liquid level by means of the buoyancy of the floating ball 63, namely the floating ball 63 keeps in a state of abutting against the starting switch 65, and the water pump 53 continuously operates;
the liquid level in the liquid collecting tank 5 continuously descends, the buoy 62 and the sleeve 61 move downwards along with the liquid level, until the lower end of the lug plate 64 is abutted to the limiting block 54, the buoy 62 and the sleeve 61 do not move downwards, the condensed water in the sleeve 61 is discharged from the water through hole 611, the floating ball 63 moves downwards along with the descending of the liquid level, the floating ball 63 is separated from the starting switch 65, the rotating speed of the water pump 53 is gradually reduced to zero, and at the moment, the condensed water is reserved in the liquid collecting tank 5;
when the lower end of the lug plate 64 is abutted to the limiting block 54, a space is reserved between the lower end of the floating barrel 62 and the bottom of the liquid collecting tank 5 and is used for providing a space for elastic deformation of the elastic sheet 622, after the floating ball 63 moves downwards to be separated from the starting switch 65, the rotating speed of the water pump 53 is gradually reduced to zero, the water pump 53 can pump part of condensed water in the liquid collecting tank 5, the liquid level in the liquid collecting tank 5 is lower than the liquid level in the floating barrel 62, the condensed water in the floating barrel 62 pushes away the elastic sheet 622 and flows into the liquid collecting tank 5, and part of the condensed water is left empty in the floating barrel 62 to prepare for the next time that the floating barrel 62 moves upwards along with the rise of.
The implementation principle of the embodiment is as follows: when the equipment works, the air cooler 32 rotates to enable air to flow in the cold air flow channel 3, the air flows through the periphery of the evaporator 31 to enable the air to be cooled, at the moment, moisture in the air is condensed on the surface of the evaporator 31, and the condensed water flows downwards along the surface of the evaporator 31 and is collected in the liquid collecting tank 5, and then is conveyed into the water tank 41 through the liquid conveying pipe 52;
meanwhile, the air heater 22 rotates to enable air to flow in the hot air flow channel 2, negative pressure is generated at the air inlets of the cold air flow channel 3 and the hot air flow channel 2, outside air enters the air inlet pipe 42 and contacts liquid in the water tank 41, dust in the air is adsorbed by the liquid, dust removal is achieved, the dust is prevented from covering the surfaces of the evaporator 31 and the condenser 21, and the heat exchange rate of the medium and the air is ensured;
meanwhile, the liquid in the water tank 41 comes from condensed water, and the temperature of the condensed water is lower, so that the outside air is cooled; meanwhile, the air after dust removal and temperature reduction enters the hot air flow channel 2 with fine liquid drops, the air after temperature reduction absorbs the heat of the condenser 21 to increase the temperature, the liquid drops contact the condenser 21 and absorb heat to be gasified, and the heat exchange of the high-temperature medium at the condenser 21 is accelerated.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a grain cooler, includes organism (1), be equipped with compressor (11), condenser (21), expansion valve (12), evaporimeter (31), air-cooler (32) and air heater (22) in organism (1), its characterized in that: the air conditioner is characterized in that a hot air flow channel (2) is arranged on the machine body (1), the condenser (21) is arranged in the hot air flow channel (2), the hot air flow channel (2) is provided with an air inlet and an air outlet, the air heater (22) is communicated with the hot air flow channel (2), the machine body (1) is further provided with a dust removal device (4), the dust removal device (4) comprises a water tank (41), an air inlet pipe (42) and an air outlet pipe (43), a cavity (411) for storing liquid is arranged in the water tank (41), the air inlet pipe (42) and the air outlet pipe (43) are both communicated with the inside and the outside of the water tank (41), one end of the air inlet pipe (42) extends below the liquid level of the water tank (41), the other end of the air inlet pipe (42) is communicated with the external atmosphere, one end of the air outlet pipe (, still be equipped with collecting tank (5) on organism (1), collecting tank (5) are located evaporimeter (31) under, just collecting tank (5) notch is upwards, be equipped with transfer line (52) between collecting tank (5) and water tank (41).
2. The grain cooler according to claim 1, characterized in that: the machine body (1) is further provided with a cold air flow channel (3), the evaporator (31) is arranged in the cold air flow channel (3), the air cooler (32) is communicated with the cold air flow channel (3), one end of the cold air flow channel (3) is communicated with an air outlet pipe (43), and the other end of the cold air flow channel (3) is communicated with a granary.
3. The grain cooler according to claim 1, characterized in that: a water pump (53) is arranged on the infusion tube (52).
4. A grain cooler according to claim 3, characterized in that: be equipped with in collecting tank (5) and start subassembly (6), start subassembly (6) include sleeve (61), starting switch (65) and floater (63), be equipped with limbers (611) on the lateral wall of sleeve (61), the upper end of sleeve (61) is sealed, the top in sleeve (61) is located in starting switch (65), floater (63) slip is inlayed and is located sleeve (61), just floater (63) float on the liquid level, floater (63) are along with liquid level come-up conflict starting switch (65) in order to start water pump (53).
5. The grain cooler according to claim 4, wherein: the utility model discloses a float bowl, including float bowl (62), sleeve (61), floater (62), float ball (63), the lower extreme intercommunication of sleeve (61) has buoy (62), the lower extreme of buoy (62) is sealed, the floater is inlayed in buoy (62) in the slip, when being full of liquid in buoy (62), buoy (62) suspend in liquid.
6. The grain cooler according to claim 5, wherein: the lower extreme of flotation pontoon (62) is equipped with the outlet, the lower extreme in outlet covers there is shell fragment (622), shell fragment (622) have elasticity, the lower extreme of one side fixed connection flotation pontoon (62) of shell fragment (622).
7. The grain cooler according to claim 6, wherein: be equipped with stopper (54) side by side in collecting tank (5), the periphery of flotation pontoon (62) is equipped with otic placode (64), otic placode (64) are located two between stopper (54), during lower extreme butt stopper (54) of otic placode (64), there is the interval between the lower extreme of flotation pontoon (62) and the tank bottom of collecting tank (5).
8. The grain cooler according to claim 1, characterized in that: a flow guide rod (51) is arranged in the liquid collecting tank (5), and the upper end of the flow guide rod (51) is abutted to the outer wall of the evaporator (31).
9. The grain cooler according to claim 1, characterized in that: and a liquid supplementing port (412) is also arranged on the water tank (41).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555220.6A CN111735257A (en) | 2020-06-17 | 2020-06-17 | Grain cooling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555220.6A CN111735257A (en) | 2020-06-17 | 2020-06-17 | Grain cooling machine |
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| CN111735257A true CN111735257A (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010555220.6A Pending CN111735257A (en) | 2020-06-17 | 2020-06-17 | Grain cooling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616456A (en) * | 2020-12-04 | 2021-04-09 | 浙江青风环境股份有限公司 | Special energy-saving air conditioner for granary |
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