CN211874692U - Heat recovery device of movable air compressor - Google Patents

Abstract

The utility model discloses a portable air compressor machine heat recovery device, concretely relates to heat recovery equipment technical field, the on-line screen storage device comprises a base, the top of base is equipped with the cooler bin, the bottom of cooler bin and the upper end fixed connection of base, the inboard middle part of cooler bin is equipped with cooling body, cooling body is including cooling skeleton and double helix mechanism, the cooling skeleton includes the heat transfer case, the bottom of heat transfer case and the inboard lower wall fixed connection of base. The utility model discloses a be equipped with cooler bin, cooling body, advance oil pipe, go out oil pipe, inlet tube and outlet pipe, compare with prior art, be favorable to retrieving oily heat energy fast, adopt the mode that cooling water in water passageway and the interior oil flow of oil passageway is to opposite direction and combine with the inside cooling water of cooler bin for the temperature of oil reduces very fast, and heat recovery is fast, retrieves effectually, thereby has guaranteed compressed air's quality and the life of air compressor machine.

Description

Heat recovery device of movable air compressor

Technical Field

The utility model relates to a heat recovery equipment technical field, more specifically say, the utility model relates to a portable air compressor machine heat recovery unit.

Background

An air compressor, namely an air compressor, is a device for compressing gas, can be divided into a volume type, a power type and a thermal type according to the working principle, is more and more widely applied in the modern industrial field, can generate a large amount of waste heat when the air compressor operates, and the high-temperature and high-pressure oil carries a considerable part of heat, thereby having important significance for recovering the oil heat energy and saving energy.

When the heat energy of oil is recovered by the conventional heat recovery device, the oil is usually introduced into a spiral pipe and then cooled by cooling water, and the method has poor heat recovery effect and low recovery rate, causes energy waste and heat pollution, and simultaneously influences the quality of compressed air and the service life of an air compressor.

Meanwhile, the air compressor usually works intermittently, the heat recovery device which is matched with the air compressor at present is fixedly arranged, each air compressor needs to be matched with one air compressor, the equipment investment cost is high, and the equipment utilization rate is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a portable air compressor machine heat recovery device, the utility model aims to solve the technical problem that: the existing heat recovery device adopts a spiral pipe and a cooling water cooling mode, so that the heat recovery effect is poor, and the recovery device is not movable.

In order to achieve the above object, the utility model provides a following technical scheme:

a heat recovery device of a mobile air compressor comprises a base, wherein a cooling box is arranged above the base, the bottom end of the cooling box is fixedly connected with the upper end of the base, a cooling mechanism is arranged at the middle part of the inner side of the cooling box and comprises a cooling framework and a double-helix mechanism, the cooling framework comprises a heat exchange box, the bottom end of the heat exchange box is fixedly connected with the lower wall of the inner side of the base, a fixed shaft is arranged at the middle part of the heat exchange box, two ends of the fixed shaft are fixedly connected with the upper wall and the lower wall of the inner side of the heat exchange box respectively, the double-helix mechanism comprises a first helical blade, the middle part of the first helical blade is fixedly connected with the outer side wall of the fixed shaft, a second helical blade staggered with the first helical blade is arranged at the outer side of the fixed shaft, the middle part of the second helical blade is fixedly connected with the outer side wall of the fixed shaft, and an oil, be formed with the water passageway between second helical blade's the lower wall and the upper wall of second helical blade, the bottom in the heat transfer case outside is equipped with into oil pipe, the inside intercommunication of the end of producing oil and the oil passageway lower extreme that advances oil pipe, the upper portion in the heat transfer case outside is equipped with out oil pipe, the inside intercommunication of the oil inlet end of producing oil pipe and the upper end of oil passageway, the top of producing oil pipe is equipped with the inlet tube, the end of intaking of inlet tube and the inside intercommunication of water passageway upper end, the top of advancing oil pipe is equipped with the outlet pipe, the water outlet end of outlet pipe and the inside intercommunication of water passageway bottom.

When carrying out heat recovery, earlier let in cooling water from the inlet tube, cooling water flows into the inside of water passageway, then flow from the outlet pipe, then let in the oil of air compressor machine from advancing oil pipe, oil gets into the inside of oil passageway, then flow from going out oil pipe, and at this moment, the cooling water is opposite with the flow direction of oil, and because first helical blade and second helical blade's setting, make cooling water and oil possess great heat transfer area, thereby make cooling water faster with the heat transfer speed of oil, and at the in-process of heat transfer, the inside cooling water of cooler bin also can cool off the cooling water in the oil passageway and the water passageway, thereby further accelerated heat transfer speed, make the cooling rate of oil become fast.

In a preferred embodiment, the water inlet end of the water outlet pipe is positioned above the water outlet end of the water inlet pipe, so that the water channel can be filled with cooling water, and a cavity is prevented from being formed in the water channel due to the fact that water in the water outlet pipe flows too fast.

In a preferred embodiment, a cylindrical hot air box is arranged above the heat exchange box, the upper end of the cylindrical hot air box is fixedly connected with the upper wall of the inner side of the cooling box, an air outlet is arranged above the cylindrical hot air box, and the hot air box is used for collecting hot air.

In a preferred embodiment, an annular cold air box is arranged outside the cylindrical hot air box, the upper end of the annular cold air box is fixedly connected with the upper wall of the inner side of the cooling box, an air inlet is arranged above the annular cold air box, and the cold air box is used for collecting cold air.

In a preferred embodiment, a plurality of U-shaped tubes are arranged below the annular cold air box, the cylindrical hot air box is communicated with the inside of the annular cold air box through the plurality of U-shaped tubes, and air in the U-shaped tubes can exchange heat with the heated cooling water in the cooling box.

In a preferred embodiment, a plurality of connecting rods are arranged between the cylindrical hot air box and the annular cold air box, and two ends of the plurality of connecting rods are respectively and fixedly connected with the outer side wall of the cylindrical hot air box and the side wall of one side of the annular cold air box, so as to connect the cylindrical hot air box and the annular cold air box and maintain structural stability.

In a preferable embodiment, heat preservation cotton is arranged on the periphery and above the cooling box, and one side of a plurality of heat preservation cotton is respectively bonded and fixed with the side wall and the upper wall of the cooling box, so that heat loss in the cooling box is reduced.

In a preferred embodiment, a plurality of universal wheels are arranged below the base, and the upper ends of the plurality of universal wheels are fixedly mounted with the bottom end of the base, so that the device is convenient to move.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a through being equipped with cooler bin, cooling body, advance oil pipe, go out oil pipe, inlet tube and outlet pipe, compare with prior art, be favorable to retrieving oil heat energy fast, adopt the mode that cooling water in the water passageway is opposite with the interior oil flow of oil passageway and combine with the cooling water of cooler bin inside, make the temperature reduction of oil faster, heat recovery is fast, retrieve effectually, thereby has guaranteed the quality of compressed air and the life of air compressor machine;

2. the utility model discloses a be equipped with cylindrical hot-air box, gas outlet, annular cold air box, air inlet and U-shaped pipe, compare with prior art, be favorable to when water-cooling, carry out air cooling, the air that is heated can be used for the heating to use to portable air compressor machine heat recovery device's functionality and practicality have been improved, and simple structure, convenient operation.

3. The utility model discloses can remove in a flexible way as required, need not fixed setting, improve equipment utilization rate, reduce equipment cost and drop into.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the heat exchange box of the present invention.

Fig. 3 is a schematic structural diagram of the first helical blade and the second helical blade of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 5 is a partial enlarged view of the point B in fig. 1 according to the present invention.

The reference signs are: the device comprises a base 1, a cooling box 2, a cooling mechanism 5, a cooling framework 3, a heat exchange box 31, a fixed shaft 32, a double-spiral mechanism 4, a first spiral blade 41, a second spiral blade 42, an oil channel 43, a water channel 44, an oil inlet pipe 6, an oil outlet pipe 61, a water inlet pipe 7, a water outlet pipe 71, a cylindrical hot air box 8, an air outlet 81, an annular cold air box 9, an air inlet 91, a 100U-shaped pipe, a 110 connecting rod, 120 heat-insulating cotton and 130 universal wheels.

Detailed Description

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 without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the heat recovery device for a mobile air compressor provided in the embodiment of the present invention includes a base 1, a cooling box 2 is disposed above the base 1, a bottom end of the cooling box 2 is fixedly connected to an upper end of the base 1, a cooling mechanism 5 is disposed in a middle portion of an inner side of the cooling box 2, the cooling mechanism 5 includes a cooling framework 3 and a double-screw mechanism 4, the cooling framework 3 includes a heat exchange box 31, a bottom end of the heat exchange box 31 is fixedly connected to a lower wall of the inner side of the base 1, a fixing shaft 32 is disposed in the middle portion of the heat exchange box 31, two ends of the fixing shaft 32 are respectively fixedly connected to an upper wall and a lower wall of the inner side of the heat exchange box 31, the double-screw mechanism 4 includes a first screw blade 41, a middle portion of the first screw blade 41 is fixedly connected to an outer side wall of the fixing shaft 32, a second screw blade 42 interlaced, the middle part of second helical blade 42 and the lateral wall fixed connection of fixed axle 32, be formed with oil passageway 43 between the lower wall of first helical blade 41 and the upper wall of second helical blade 42, be formed with water passageway 44 between the lower wall of second helical blade 42 and the upper wall of second helical blade 42, the bottom in the heat transfer case 31 outside is equipped with into oil pipe 6, the inside intercommunication of the oil outlet end and the oil passageway 43 lower extreme of advancing oil pipe 6, the upper portion in the heat transfer case 31 outside is equipped with out oil pipe 61, the inside intercommunication of the oil inlet end of going out oil pipe 61 and the upper end of oil passageway 43, the top of going out oil pipe 61 is equipped with inlet tube 7, the inside intercommunication of the inlet end and the water passageway 44 upper end of inlet tube 7, the top of advancing oil pipe 6 is equipped with outlet pipe 71, the outlet end of outlet pipe 71 and the inside intercommunication of water passageway 44 bottom.

The water inlet end of the water outlet pipe 71 is positioned above the water outlet end of the water inlet pipe 7.

As shown in fig. 1 to 4, the embodiment specifically is: when heat is recovered, cooling water is firstly introduced from the water inlet pipe 7, the cooling water flows into the water channel 44 and then flows out of the water outlet pipe 71, oil of the air compressor is introduced from the oil inlet pipe 6, the oil enters the oil channel 43 and then flows out of the oil outlet pipe 61, at the moment, the flow directions of the cooling water and the oil are opposite, and due to the arrangement of the first spiral blade 41 and the second spiral blade 42, the cooling water and the oil have larger heat exchange areas, so that the heat exchange speed of the cooling water and the oil is higher, and in the heat exchange process, the cooling water in the cooling box 2 can also cool the oil in the oil channel 43 and the cooling water in the water channel 44, so that the heat exchange speed is further increased, the cooling speed of the oil is increased, namely, the oil heat energy can be rapidly recovered, a mode that the flow directions of the cooling water in the water channel 44 and the oil in the oil channel 43 are opposite and a mode that the cooling water is combined with the cooling water in the cooling box 2 is, make the temperature of oil reduce very fast, heat recovery is fast, it is effectual to retrieve, thereby the quality of compressed air and the life of air compressor machine have been guaranteed, this embodiment has specifically solved current heat recovery device when retrieving oil heat energy, let in a spiral pipe with oil usually, then use the cooling water cooling, this kind of method heat recovery effect is not good, the rate of recovery is not high, cause energy waste and thermal pollution, simultaneously, the problem of the quality of compressed air and the life of air compressor machine has also been influenced.

A cylindrical hot air box 8 is arranged above the heat exchange box 31, the upper end of the cylindrical hot air box 8 is fixedly connected with the inner upper wall of the cooling box 2, and an air outlet 81 is arranged above the cylindrical hot air box 8.

The outer side of the cylindrical hot air box 8 is provided with an annular cold air box 9, the upper end of the annular cold air box 9 is fixedly connected with the upper wall of the inner side of the cooling box 2, and an air inlet 91 is arranged above the annular cold air box 9.

A plurality of U-shaped pipes 100 are arranged below the annular cold air box 9, and the cylindrical hot air box 8 is communicated with the inside of the annular cold air box 9 through the plurality of U-shaped pipes 100.

A plurality of connecting rods 110 are arranged between the cylindrical hot air box 8 and the annular cold air box 9, and two ends of each connecting rod 110 are fixedly connected with the outer side wall of the cylindrical hot air box 8 and the side wall of one side of the annular cold air box 9 respectively.

The periphery and the upper part of the cooling box 2 are respectively provided with a plurality of heat preservation cotton 120, and one side of each heat preservation cotton 120 is respectively bonded and fixed with the side wall and the upper wall of the cooling box 2.

The lower side of base 1 is equipped with a plurality of universal wheel 130, a plurality of the upper end of universal wheel 130 all with the bottom fixed mounting of base 1.

As shown in fig. 1 and 5, the embodiment specifically includes: when the waste heat is recovered, air can be introduced from the air inlet 91, after the air enters the annular cold air box 9, the air enters the cylindrical hot air box 8 through the U-shaped pipe 100 and then is discharged from the air outlet 81, after the air enters the U-shaped pipe 100, the heated cooling water exchanges heat with the air, so that the temperature of the air is raised, the hot air discharged from the air outlet 81 can be used for heating, the air in the U-shaped pipe 100 has a cooling effect on the cooling water in the cooling box 2, so that the water in the cooling box 2 can better recover the oil heat energy, the heat loss in the cooling box 2 is reduced through the arrangement of the heat insulation cotton 120, the movement of the device is facilitated through the arrangement of the universal wheels 130, namely, the air cooling is facilitated while the water cooling is performed, the heated air can be used for heating, so that the functionality and the practicability of the mobile air compressor heat recovery device are improved, and simple structure, convenient operation, this embodiment has specifically solved current portable air compressor machine heat reclamation device function comparatively singleness, carries out water-cooling while, can not use air cooling for portable air compressor machine heat reclamation device's functional problem that reduces.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, when heat recovery is performed, cooling water is firstly introduced from the water inlet pipe 7, the cooling water flows into the water channel 44 and then flows out of the water outlet pipe 71, oil of the air compressor is introduced from the oil inlet pipe 6, the oil enters the oil channel 43 and then flows out of the oil outlet pipe 61, at the moment, the flow directions of the cooling water and the oil are opposite, and due to the arrangement of the first spiral blade 41 and the second spiral blade 42, the cooling water and the oil have large heat exchange areas, so that the heat exchange speed of the cooling water and the oil is higher, and in the heat exchange process, the cooling water in the cooling box 2 can also cool the oil in the oil channel 43 and the cooling water in the water channel 44, the heat exchange speed is further increased, and the cooling speed of the oil is higher.

Further, referring to the attached drawings 1 and 5 in the specification, when waste heat is recovered, air can be introduced from the air inlet 91, after the air enters the annular cold air box 9, the air enters the cylindrical hot air box 8 through the U-shaped pipe 100 and then is discharged from the air outlet 81, after the air enters the U-shaped pipe 100, the heated cooling water exchanges heat with the air, so that the air is heated, the hot air discharged from the air outlet 81 can be used for heating, the air in the U-shaped pipe 100 has a cooling effect on the cooling water inside the cooling box 2, and therefore the water inside the cooling box 2 can better recover oil heat energy.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a portable air compressor machine heat reclamation device, includes base (1), its characterized in that: the cooling device is characterized in that a cooling box (2) is arranged above the base (1), the bottom end of the cooling box (2) is fixedly connected with the upper end of the base (1), a cooling mechanism (5) is arranged in the middle of the inner side of the cooling box (2), the cooling mechanism (5) comprises a cooling framework (3) and a double-spiral mechanism (4), the cooling framework (3) comprises a heat exchange box (31), the bottom end of the heat exchange box (31) is fixedly connected with the lower wall of the inner side of the base (1), a fixed shaft (32) is arranged in the middle of the heat exchange box (31), two ends of the fixed shaft (32) are fixedly connected with the upper wall and the lower wall of the inner side of the heat exchange box (31) respectively, the double-spiral mechanism (4) comprises first spiral blades (41), the middle of the first spiral blades (41) is fixedly connected with the outer side wall of the fixed shaft (32), second spiral blades (42) staggered with the first spiral blades (41) are arranged on, the middle part of the second spiral blade (42) is fixedly connected with the outer side wall of the fixed shaft (32), an oil channel (43) is formed between the lower wall of the first spiral blade (41) and the upper wall of the second spiral blade (42), a water channel (44) is formed between the lower wall of the second spiral blade (42) and the upper wall of the second spiral blade (42), an oil inlet pipe (6) is arranged at the bottom of the outer side of the heat exchange box (31), the oil outlet end of the oil inlet pipe (6) is communicated with the inside of the lower end of the oil channel (43), an oil outlet pipe (61) is arranged at the upper part of the outer side of the heat exchange box (31), the oil inlet end of the oil outlet pipe (61) is communicated with the inside of the upper end of the oil channel (43), a water inlet pipe (7) is arranged above the oil outlet pipe (61), the water inlet end of the water inlet pipe (7) is communicated with the inside of the upper end of the water channel (44), and a, the water outlet end of the water outlet pipe (71) is communicated with the inside of the bottom end of the water channel (44).

2. The heat recovery device of the mobile air compressor of claim 1, wherein: the water inlet end of the water outlet pipe (71) is positioned above the water outlet end of the water inlet pipe (7).

3. The heat recovery device of the mobile air compressor of claim 1, wherein: the upper portion of heat exchange box (31) is equipped with cylindrical hot-air tank (8), the upper end and the upper wall fixed connection of cooling tank (2) inboard of cylindrical hot-air tank (8), the top of cylindrical hot-air tank (8) is equipped with gas outlet (81).

4. The heat recovery device of the mobile air compressor of claim 3, wherein: the outer side of the cylindrical hot air box (8) is provided with an annular cold air box (9), the upper end of the annular cold air box (9) is fixedly connected with the inner upper wall of the cooling box (2), and an air inlet (91) is formed in the upper portion of the annular cold air box (9).

5. The heat recovery device of the mobile air compressor as claimed in claim 4, wherein: a plurality of U-shaped pipes (100) are arranged below the annular cold air box (9), and the cylindrical hot air box (8) is communicated with the inside of the annular cold air box (9) through the plurality of U-shaped pipes (100).

6. The heat recovery device of the mobile air compressor as claimed in claim 4, wherein: be equipped with a plurality of connecting rod (110), a plurality of between cylindrical hot-air box (8) and annular cold-air box (9) the both ends of connecting rod (110) respectively with the lateral wall fixed connection of the lateral wall of cylindrical hot-air box (8) and annular cold-air box (9) one side.

7. The heat recovery device of the mobile air compressor of claim 1, wherein: the periphery and the upper part of the cooling box (2) are respectively provided with heat-insulating cotton (120), and one side of the heat-insulating cotton (120) is respectively bonded and fixed with the side wall and the upper wall of the cooling box (2).

8. The heat recovery device of the mobile air compressor of claim 1, wherein: the lower part of base (1) is equipped with a plurality of universal wheel (130), a plurality of the upper end of universal wheel (130) all with the bottom fixed mounting of base (1).

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