CN210993644U - Water removal device for two-section cyclone evaporator of super-energy vertical type cold dryer - Google Patents

Abstract

The utility model relates to the field of refrigeration dryer, in particular to a dewatering device of two-section cyclone evaporator of a super-energy vertical refrigeration dryer, which comprises a refrigerant pipe, an evaporation plate, an evaporation inner cylinder, an evaporation outer cylinder baffle and an evaporation outer cylinder, wherein the evaporation inner cylinder is arranged inside the evaporation outer cylinder, the utility model has the advantages that when compressed air enters the vertical evaporation inner cylinder to flow downwards, the evaporation plate inclines downwards to wholly form a spiral-shaped cyclone structure formed by attaching the compressed air, so that the weakening effect of the evaporation plate on the compressed air is reduced, the formation of the cyclone is promoted, the strength of the cyclone is improved, the centrifugal force applied to liquid water in the compressed air is enhanced, the separation of the liquid water is accelerated, the dewatering effect is improved, and meanwhile, the liquid water remained in the grooves with uneven surfaces on the evaporation plate is easily taken away under the action of the cyclone air of the compressed air due to the downward, the problem that the surface water of the evaporation plate generates scale to influence the cooling effect of the evaporation plate on compressed air is avoided.

Description

Water removal device for two-section cyclone evaporator of super-energy vertical type cold dryer

Technical Field

The utility model relates to a cold machine field of doing especially indicates a vertical cold two sections cyclone evaporator water trap of doing of super energy type.

Background

The evaporimeter is a very important part in four major possession of refrigeration, and microthermal condensate liquid carries out the heat exchange through evaporimeter and external air, reaches cryogenic effect, can make external air form the liquid water that condenses and form in order to detach external air simultaneously, and current conventional art considers not comprehensively, has following drawback:

the evaporation plate has a large blocking weakening effect on the compressed air, so that the cyclone strength formed by the compressed air is low, the centrifugal force applied to the liquid water is small, and the separation effect is poor.

Disclosure of Invention

The utility model provides a vertical cold two sections cyclone evaporator water trap of doing of super energy type to it is great to overcoming blockking of prior art evaporating plate to compressed air weakens the effect, makes the whirlwind intensity that compressed air formed low, thereby makes the centrifugal force that liquid water received little, the poor problem of separation effect.

The utility model adopts the following technical scheme: a water removing device for a two-section cyclone evaporator of a super-energy vertical type freeze dryer comprises a refrigerant pipe, an evaporation plate, an evaporation inner cylinder, an evaporation outer cylinder baffle and an evaporation outer cylinder, wherein the evaporation inner cylinder is arranged in the evaporation outer cylinder, a plurality of evaporation outer cylinder baffles are distributed between the evaporation outer cylinder and the evaporation inner cylinder at staggered intervals, the evaporation outer cylinder is communicated with the top end of the evaporation inner cylinder, a plurality of evaporation plates are distributed on the inner wall of the evaporation inner cylinder at staggered intervals, a plurality of refrigerant pipes penetrate through a mounting hole from top to bottom and are fixed on the evaporation plate, the evaporation plate is an arc structural plate with a certain bending radian, the evaporation plate is of an upward bending structure and is distributed at two sides of the refrigerant pipe at staggered intervals, the evaporation plate inclines downwards, namely the low end of the arc evaporation plate at one side of the refrigerant pipe is close to the high end of the arc evaporation plate at the, the evaporation plate is integrally distributed outside the refrigerant pipe in a threaded shape.

As a further improvement, the evaporation device is further provided with a guide cover, the guide cover is of an inverted conical structure, the upper surface of the guide cover is fixed on the inner wall of the top end of the evaporation outer cylinder, and the guide cover is arranged right above the evaporation inner cylinder.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: because the evaporation plate downward sloping wholly is the whirlwind structure that "screw thread" form laminating compressed air formed when compressed air gets into vertical evaporation inner tube downflow, make the evaporation plate reduce compressed air's weakening effect, promote the formation of whirlwind, thereby improve the intensity of whirlwind and strengthen the centrifugal force that liquid water received in the compressed air, be favorable to accelerating the separation of liquid water and improve the dewatering effect, the evaporation plate downward sloping makes the liquid water of remaining in the groove of evaporation plate surface unevenness to be taken away under the effect of compressed air whirlwind easily simultaneously, avoid the evaporation plate surface area water to produce incrustation scale and influence the cooling effect of evaporation plate to compressed air.

Drawings

Fig. 1 is a schematic structural diagram of a freeze dryer.

Fig. 2 is a schematic perspective view of the freeze dryer.

Fig. 3 is a schematic structural view of an evaporator.

Fig. 4 is a schematic view of a heat exchanger configuration.

FIG. 5 is a schematic view of a gas-water separator.

Fig. 6 is a schematic front view of the refrigeration dryer.

Fig. 7 is a schematic structural diagram of a in fig. 6.

Fig. 8 is a schematic structural diagram of B in fig. 6.

Fig. 9 is a schematic structural diagram of C in fig. 6.

FIG. 10 is a schematic top view of a positioning groove.

Fig. 11 is a schematic side view of an evaporator according to the present invention.

Fig. 12 is a schematic structural view of the refrigerant tube 51 and the evaporation plate.

Fig. 13 is a schematic structural view of an evaporation plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 13, the dewatering device for the two-stage cyclone evaporator of the super-energy vertical type freeze dryer comprises refrigerant pipes 51, evaporation plates 52, an evaporation inner cylinder 53, an evaporation outer cylinder baffle 54 and an evaporation outer cylinder 55, wherein the evaporation inner cylinder 53 is arranged inside the evaporation outer cylinder 55, a plurality of evaporation outer cylinder baffles 54 are distributed between the evaporation outer cylinder 55 and the evaporation inner cylinder 53 at intervals in a staggered manner, the evaporation outer cylinder 55 is communicated with the top end of the evaporation inner cylinder 53, a plurality of evaporation plates 52 are distributed on the inner wall of the evaporation inner cylinder 53 at intervals in a staggered manner, and a plurality of refrigerant pipes 51 penetrate through a first mounting hole 57 from top to bottom and are fixed on the evaporation plates 52.

As shown in fig. 11 to 13, the evaporation plate 52 is an arc structure plate with a certain curvature, the evaporation plate 52 is an upward bending structure, and the evaporation plates 52 are alternately distributed on two sides of the refrigerant pipe 51, the evaporation plate 52 is inclined downward, that is, the lower end of the arc evaporation plate 52 on one side of the refrigerant pipe 51 is close to the high end of the arc evaporation plate 52 on the other side of the refrigerant pipe 51, the evaporation plate 52 is integrally distributed on the outer side of the refrigerant pipe 51 in a "screw thread" shape, when the compressed air enters the vertical evaporation inner cylinder 53 and flows downward, because the evaporation plate 52 is inclined downward and integrally attached to the cyclone structure formed by the compressed air in a "screw thread" shape, the weakening effect of the evaporation plate 52 on the compressed air is reduced, the formation of the cyclone is promoted, the strength of the cyclone is increased, thereby increasing the centrifugal force on the liquid water in the compressed air, and facilitating the separation, meanwhile, the evaporation plate 52 is inclined downwards, so that liquid water remained in the uneven grooves on the surface of the evaporation plate 52 is easily taken away under the action of the cyclone air of the compressed air, and the influence of scale generated by water on the surface area of the evaporation plate 52 on the cooling effect of the evaporation plate 52 on the compressed air is avoided.

As shown in fig. 11, a guiding cover 56 is further provided, the guiding cover 56 is an inverted cone structure, the upper surface of the guiding cover 56 is fixed on the inner wall of the top end of the evaporation outer cylinder 55, and the guiding cover 56 is arranged right above the evaporation inner cylinder 53, when the compressed air flows upwards along the evaporation outer cylinder 55 and enters the evaporation inner cylinder 53, the inverted cone structure of the guiding cover 56 is used for guiding the compressed air, firstly the compressed air spirally moves downwards around the surface of the guiding cover 56 to form an outward rotating airflow, the outward rotating airflow is continuously enhanced due to the fact that the surface area of the guiding cover 56 is smaller when the inverted cone shape is larger downwards, then the outward rotating airflow is separated from the cone vertex of the guiding cover 56 and enters the evaporation inner cylinder 53, the compressed air is firstly stored by the guiding cover 56 to generate a downward outward rotating airflow, and then the strength of the cyclone is further enhanced under the action of the evaporation plate 52 in the evaporation inner cylinder 53, thereby the centrifugal force that liquid water received among the reinforcing compressed air is favorable to accelerating the separation of liquid water and improves the dewatering effect, and takes away the liquid water that remains in the unevenness's in evaporation plate 52 surface slot more easily, avoids producing the incrustation scale, can further avoid evaporating inner tube 53 to expose in the atmosphere through guide cover 56 simultaneously to reduce the influence of atmospheric heat to evaporating inner tube 53 and refrigerant pipe 51, reduce the energy consumption.

As shown in the attached drawings 1 to 10, the vertical cold dryer is further provided with a heat exchanger 2 and a gas-water separator 3, the heat exchanger 2 and an evaporator 5 are both arranged above the gas-water separator 3, and the heat exchanger 2, the gas-water separator 3 and the evaporator 5 are communicated with each other.

As shown in figure 6, the heat exchanger 2 is used for preliminarily cooling and condensing the high-temperature high-humidity compressed air entering from the air inlet 1, most of liquid water in the high-temperature high-humidity compressed air is removed after the high-temperature high-humidity compressed air passes through the cyclone action of the vertical heat exchanger 2, then the high-temperature high-humidity compressed air enters the vertical evaporator 5, most of liquid water remained in the high-temperature high-humidity compressed air is removed by utilizing the cooling and condensing action and the cyclone effect of the vertical evaporator 5, then the compressed air enters the gas-water separator 3 to enable all the liquid water to be remained in the gas-water separator 3, the compressed air sequentially passes through the heat exchanger 2, the evaporation outer cylinder 55, the evaporation inner cylinder 53 and the gas-water separator 3 to effectively remove water, the water removal efficiency of the compressed air is improved, the working progress of the cold drying machine is accelerated, and the heat exchanger 2 and, the whole machine has no elbow while saving space, the pressure drop can be reduced to 0.02MPa, the energy is saved, and the cost is saved.

As shown in fig. 6 to 7, there is also provided a positioning device 6 fitted between the gas-water separator 3 and the evaporator 5, the positioning device 6 comprises a bottom plate 61, an auxiliary ring 62, an auxiliary groove 63, a positioning block 64 and a positioning groove 65, the bottom plate 61 is in a ring shape, the bottom plate 61 is fixed on the bottom surface of the evaporator 5, the bottom ends of the evaporation outer cylinder 55 and the evaporation inner cylinder 53 are connected by the bottom plate 61 to receive the liquid water sliding downwards along the inner wall of the evaporation outer cylinder 55, then directly discharged from the water outlet 11 on the evaporation outer cylinder 55 without entering the gas-water separator 3 and then discharged from the water outlet 11 of the gas-water separator 3, thereby quickening the elimination of liquid water and the elimination of liquid water, and simultaneously, the bottom of the evaporation outer cylinder 55 is sealed by the bottom plate 61, so that the compressed air cooled in the gas-water separator 3 can be prevented from flowing back to enter the evaporation outer cylinder 55 to be heated up under the influence of atmospheric heat. The locating piece 64 is installed to the bottom surface of bottom plate 61, and the locating piece 64 is the annular distribution embedding and installs in the annular positioning groove 65 that gas-water separator 3 surface was equipped with, the both sides of annular locating piece 64 all are equipped with annular auxiliary ring 62, and auxiliary ring 62 is fixed in the bottom surface of bottom plate 61, and auxiliary ring 62 embedding is installed in the annular auxiliary groove 63 that gas-water separator 3 surface was equipped with, the bottom surface of bottom plate 61 covers in gas-water separator 3's upper surface, only need make locating piece 64 and auxiliary ring 62 imbed respectively in positioning groove 65 and the auxiliary groove 63 and can realize installing evaporimeter 5 in gas-water separator 3 top when the installation, and easy operation is convenient, and evaporimeter 5 and gas-water separator 3 are the subsequent dismantlement and the maintenance of evaporimeter 5 of demountable installation convenience, and locating piece 64 and positioning groove 65 meshing increase bottom plate 61 and gas-water separator 3 surp, the evaporator 5 is prevented from rotating in the radial direction, the auxiliary rings 62 on the two sides of the positioning block 64 are used for supporting the evaporator 5 in an auxiliary mode, the stability of the evaporator 5 is improved, and the phenomenon that the evaporator 5 shakes to cause unstable gravity center toppling is avoided.

As shown in fig. 6 and 8, still be equipped with the stop device 7 of assembling between heat exchanger 2 and deareator 3, stop device 7 includes spacing groove 71, spacing ring 72, limiting plate 73 and spacing hole 74, spacing ring 72 is fixed in deareator 3's upper surface, and the spacing ring 72 embedding is installed in the spacing groove 71 that is equipped with of heat exchanger 2 bottom surface, limiting plate 73 is fixed in heat exchanger 2's bottom surface, and the embedding of limiting plate 73 is installed in the heat exchanger mounting hole 33 of deareator 3's upper surface, utilizes limiting plate 73 to block up heat exchanger mounting hole 33 and prevents that the compressed air in deareator 3 from arriving under heat exchanger of heat exchanger 24 lower surface of deareator 2 to it leads to the incrustation scale to produce to be difficult to clear up to remain liquid water between shrouding 24 and deareator 3's the clearance under avoiding the compressed air after 3 internal cooling of separator to get into heat exchanger simultaneously and shrouding 24 and deareator 3 The gap between the two plates is heated up under the influence of atmospheric heat. The limiting plate 73 is provided with a plurality of limiting holes 74 for fixing the heat exchange tubes 21, when the heat exchanger is installed, the heat exchanger 2 can be installed above the gas-water separator 3 only by embedding the limiting ring 72 and the limiting plate 73 into the heat exchanger installation holes 33 on the surfaces of the limiting groove 71 and the gas-water separator 3 respectively, the operation is simple and convenient, and the heat exchanger 2 and the gas-water separator 3 are detachably installed to facilitate subsequent detachment and maintenance of the heat exchanger 2.

As shown in fig. 6 and 9, a connecting device 8 is further provided, which is assembled between the heat exchanger 2 and the evaporator 5, wherein the connecting device 8 comprises an inner sleeve 81, an outer sleeve 82, a sealing gasket 83, a sealing cover 84 and a fixing ring 85, the inner sleeve 81 is manufactured by adopting a pipe shrinking process, the inner sleeve 81 is slidably installed inside the outer sleeve 82, the sealing gasket 83 is installed between the head end of the outer sleeve 82 and the outer wall of the end of the inner sleeve 81 with the small diameter, the sealing cover 84 covers the end surfaces of the outer sleeve 82 and the sealing gasket 83, and the sealing gasket 83 and the sealing cover 84 are used for sealing to prevent compressed air in the inner sleeve 81 and the outer sleeve 82 from leaking to. The end of the inner sleeve 81 with small diameter is provided with an external thread, the tail end of the outer sleeve 82 far away from the sealing gasket 83 is provided with an external thread, the end of the inner sleeve 81 with small diameter and the tail end of the outer sleeve 82 far away from the sealing gasket 83 are respectively in threaded connection with the internal threads of the fixing rings 85 arranged on the surfaces of the evaporator 5 and the heat exchanger 2, when the installation is carried out, the outer sleeve 82 is sleeved outside the inner sleeve 81, then the inner sleeve 81 is firstly screwed into one of the fixing rings 85 matched with the inner sleeve, then the outer sleeve 82 is screwed into the other fixing ring 85 matched with the outer sleeve, when the inner sleeve 81 and the outer sleeve 82 need to be taken down, only the outer sleeve 82 and the inner sleeve 81 need to be screwed out of the fixing rings 85 in sequence, the subsequent replacement and maintenance of the outer sleeve 82 and the inner sleeve 81 are convenient, and the outer sleeve 82, the operation is simple and convenient, the length of the inner sleeve 81 and the outer sleeve 82 is slightly smaller than the distance between the heat exchanger 2 and the evaporator 5, the inner sleeve 81 and the outer sleeve 82 can be smoothly installed between the heat exchanger 2 and the evaporator 5, and meanwhile, the outer sleeve 82 is arranged on the outer side of the inner sleeve 81, so that the inner sleeve 81 can be prevented from being exposed in the atmosphere, and the influence of atmospheric heat on compressed gas in the inner sleeve 81 is reduced.

After the high-temperature high-humidity compressed air enters the heat exchange cylinder 25 from the air inlet 1, the high-temperature high-humidity compressed air exchanges heat with the dry low-temperature compressed air flowing through the heat exchange tube 21 penetrating through the through hole 26 on the surface of the heat exchange baffle 22, so that the temperature of the compressed air is reduced to be within 30 ℃, water vapor in the compressed air is condensed into liquid water drops due to the temperature reduction, the compressed air flowing downwards from the air inlet 1 is deflected to form cyclone due to the resistance action of the heat exchange baffle 22 which is vertically installed and is distributed in the heat exchange cylinder 25 at staggered intervals, the liquid water drops condensed in the compressed air are separated from the compressed air under the action of centrifugal force, most of liquid water in the compressed air is removed, and the removed liquid water slides downwards along the inner wall of the heat exchange cylinder 25 and gathers on the upper surface of the heat exchange lower sealing plate 24 to form a water, and finally discharged through the water discharge port 11.

The compressed air after primary temperature reduction and water removal passes through the inner sleeve 81 and the outer sleeve 82 and then enters the evaporation outer cylinder 55, the outer sleeve 82 arranged on the outer side of the inner sleeve 81 can prevent the inner sleeve 81 from being exposed in the atmosphere so as to reduce the influence of atmospheric heat on the compressed gas in the inner sleeve 81, the refrigerant pipe 51 arranged on the evaporation plate 52 in the evaporation inner cylinder 53 can ensure that the air in the evaporation inner cylinder 53 can reach the low temperature of 2-5 ℃, the temperature in the evaporation outer cylinder 55 is far lower than the air temperature due to the heat transfer effect, the evaporation outer cylinder 55 can cover the inner cylinder 53 so as to prevent the evaporation inner cylinder 53 from being exposed in the atmosphere so as to reduce the influence of the atmospheric heat on the evaporation inner cylinder 53 and the refrigerant pipe 51, meanwhile, the compressed air can be secondarily cooled by utilizing the cold air dissipated from the evaporation inner cylinder 53 and transferred into the evaporation outer cylinder 55, and the purpose of energy conservation is achieved, because the evaporation outer cylinder 55 also adopts the resistance The compressed air flowing upwards from the inner sleeve 81 and the outer sleeve 82 is deflected to form cyclone, liquid water drops condensed in the compressed air are separated from the compressed air under the action of centrifugal force, most of liquid water in the compressed air is removed, the removed liquid water slides downwards along the inner wall of the evaporation outer cylinder 55 and gathers on the upper surface of the bottom plate 61 to form a water pool, and finally the water pool is discharged from the water outlet 11, meanwhile, the bottom plate 61 is used for connecting the bottom ends of the evaporation outer cylinder 55 and the evaporation inner cylinder 53 to receive the liquid water sliding downwards along the inner wall of the evaporation outer cylinder 55, the removal of the liquid water is accelerated, and meanwhile, the bottom of the evaporation outer cylinder 55 is sealed by the bottom plate 61, so that the compressed air cooled in the air-water separator 3 can be prevented from flowing backwards into the evaporation outer cylinder 55 to be heated due to the.

The compressed air after secondary temperature reduction and water removal flows upwards along the evaporation outer cylinder 55 to enter the evaporation inner cylinder 53 to exchange heat with the R410A environment-friendly refrigerant flowing inside the refrigerant pipe 51, the R410A environment-friendly refrigerant in the refrigerant pipe 51 is lifted and conveyed by a refrigeration system of R410A, so that the temperature of the compressed air in the evaporation inner cylinder 53 can reach 2 ℃ at most, the evaporation inner cylinder 53 is also vertically installed, the resistance action of evaporation plates 52 which are distributed in the evaporation inner cylinder 53 at intervals in a staggered mode enables the compressed air entering downwards from the evaporation outer cylinder 55 to be deflected to form cyclone, liquid water drops condensed in the compressed air are separated from the compressed air under the action of centrifugal force, most of liquid water in the compressed air is removed, and the removed liquid water slides downwards along the inner wall of the evaporation inner cylinder 53 to pass through the evaporator installation hole 32 and is collected in the evaporator separation tank body 31.

Then the compressed air passes through the air-water separation box body 31 to enter the heat exchange tube 21 to exchange heat with the high-temperature high-humidity compressed air entering the heat exchange cylinder body 25 from the air inlet 1 to realize air circulation, meanwhile, the compressed air enters the air-water separation box body 31 from the evaporation inner cylinder 53, and then the compressed air passes through two 90-degree turns in the process of entering the heat exchange tube 21 from the air-water separation box body 31, the residual liquid water in the compressed air can be separated from the compressed air under the action of gravity when the air baffling is generated in the 90-degree turn of the compressed air, the residual liquid water is left in the air-water separator and discharged from the water outlet 11, the limiting plate 73 is utilized to block the heat exchanger mounting hole 33, so that the compressed air in the air-water separator 3 can be prevented from reaching the lower surface of the heat exchange lower sealing plate 24 of the heat exchanger 2, and the, meanwhile, the compressed air cooled in the gas-water separator 3 can be prevented from entering the gap between the heat exchange lower sealing plate 24 and the gas-water separator 3 and being heated up under the influence of atmospheric heat, so that the energy consumption is reduced.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (2)

1. The utility model provides a two sections cyclone evaporator water trap of vertical cold machine of super-energy type, including refrigerant pipe, evaporating plate, evaporation inner tube, evaporation urceolus baffle and evaporation urceolus, the inside of evaporation urceolus is equipped with the evaporation inner tube, and the crisscross interval distribution between evaporation urceolus and the evaporation inner tube has a plurality of evaporation urceolus baffles, and the evaporation urceolus is linked together with the top of evaporation inner tube, crisscross spaced distribution has a plurality of evaporating plates on the inner wall of evaporation inner tube, and a plurality of refrigerant pipes are from last to running through a mounting hole down on being fixed in the evaporating plate, its characterized in that: the evaporating plate is the circular arc structural slab that has certain crooked radian, and the evaporating plate is the structure of kickup, and the evaporating plate is crisscross alternate distribution in the both sides of refrigerant pipe, and the evaporating plate downward sloping is located the low side of the circular arc evaporating plate of refrigerant pipe one side promptly and is close to the high end that is located the circular arc evaporating plate of refrigerant pipe opposite side, and the evaporating plate is whole to be distributed in the refrigerant outside of being "screw thread" form.

2. The water removal device of the two-stage cyclone evaporator of the super-energy vertical type refrigeration dryer as claimed in claim 1, wherein: still be equipped with the guide cover, the guide cover is inverted cone structure, and the upper surface of guide cover is fixed in on the top inner wall of evaporation urceolus, and the guide cover is located directly over the evaporation urceolus.

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