CN214747459U - High-fin energy-saving heat exchange tube of cold drying machine - Google Patents

Abstract

The application relates to a high-fin energy-saving cold drying machine heat exchange tube, relates to the field of cold drying machine technology, and comprises a tube body and is characterized in that: a plurality of heat exchange fins are fixed on the outer wall of the tube body, and one end of any one heat exchange fin is abutted against the outer wall of the tube body; the heat exchange fins are fixedly connected in sequence and are integrally spiral, and the heat exchange fins are encircled along the axial direction of the tube body; and two of the plurality of heat exchange fins positioned at the spiral starting point and the spiral ending point are respectively abutted against the two tightening plates. This application has the heat transfer effectual, helps the energy-conserving effect of cold machine of doing.

Description

High-fin energy-saving heat exchange tube of cold drying machine

Technical Field

The application relates to the field of cold drying machine technology, in particular to a high-fin energy-saving cold drying machine heat exchange tube.

Background

The cold dryer is a freeze dryer for short, and utilizes a refrigerant to exchange heat with compressed air to reduce the temperature of the compressed air to a dew point temperature within the range of 2-10 ℃, so that moisture in the air is condensed and then discharged, and the drying treatment of the compressed air is realized.

In the related art, the refrigeration dryer comprises a compressor and an evaporation chamber, a heat exchange tube is arranged in the evaporation chamber, a refrigerant compressed by the compressor is evaporated and absorbed in the heat exchange tube, the temperature in the evaporation chamber is reduced to the dew point temperature, compressed air enters the evaporation chamber to be condensed, condensed water is discharged from the evaporation chamber, accordingly, the compressed air is changed into dry air after flowing out of the evaporation chamber, and the heat exchange tube generally adopts a copper tube.

In view of the above-mentioned related technologies, the inventor believes that the heat exchange efficiency of the copper pipe is not high, which results in that the compressor needs to work for a longer time to reduce the temperature in the evaporating chamber to the dew point temperature, and there is a need for improvement.

SUMMERY OF THE UTILITY MODEL

In order to shorten the operating time of the compressor, the application provides a high-fin energy-saving cold drying machine heat exchange tube.

The application provides a high-fin energy-saving cold drying machine heat exchange tube adopts following technical scheme:

the high-fin energy-saving heat exchange tube of the refrigeration dryer comprises a tube body, wherein a plurality of heat exchange fins are fixed on the outer wall of the tube body, and one end of each heat exchange fin is abutted against the outer wall of the tube body.

Through adopting above-mentioned technical scheme, heat transfer fin can increase the heat transfer area of cooling tube for the refrigerant can take away more heats in the evaporating chamber in the same time, has reduced the operating time of compressor, makes the refrigeration dryer more energy-conserving.

Preferably, any one of the heat exchange fins is annular, and the inner wall of any one of the heat exchange fins is attached to the surface of the pipe body.

Through adopting above-mentioned technical scheme, heat transfer fin adopts the ring form, and heat transfer fin's inner wall laminating is on the body surface, and heat transfer fin is great with the heat transfer area of body, and heat transfer fin is also great with the heat transfer area of air simultaneously, has improved the heat exchange efficiency of body, helps making the refrigeration dryer more energy-conserving.

Preferably, a plurality of the heat exchange fins are fixedly connected in sequence, the whole heat exchange fins are in a spiral shape, and the heat exchange fins are encircled along the axis direction of the tube body.

Through adopting above-mentioned technical scheme, a plurality of heat transfer fins form a spiral line type whole, have good heat transfer effect, and it is comparatively convenient when heat transfer fin installs.

Preferably, a tightening plate is fixed to the tube body, the tightening plate is fixed to each of the starting point and the ending point of the helix of the plurality of heat exchange fins, and two of the plurality of heat exchange fins located at the starting point and the ending point of the helix are respectively abutted against the two tightening plates.

Through adopting above-mentioned technical scheme, the tightening plate tightens up and trades the heat transfer fin that whole is the spiral type, avoids heat transfer fin to become loose because of self elasticity, and the contact with the heat exchange tube is inseparable and leads to the heat transfer effect to descend.

Preferably, any one of the heat exchange fins is provided with a circulation hole, and the axes of the circulation holes on the plurality of heat exchange fins are overlapped.

Through adopting above-mentioned technical scheme, the air can flow in the through hole to form the air current in a plurality of louvres, improved heat transfer fin's heat exchange efficiency.

Preferably, the heat exchange fins are provided with reinforcing rods in a penetrating manner, and the reinforcing rods penetrate through all the heat exchange fins.

Through adopting above-mentioned technical scheme, the spiral type structure that heat transfer fin formed has been strengthened to the stiffener, makes heat transfer fin be difficult for taking place deformation, influences heat exchange efficiency.

Preferably, a protection plate is erected between the two tightening plates, and the side face, close to the tube body, of the protection plate is abutted against the side face, far away from the tube body, of any heat exchange fin.

Through adopting above-mentioned technical scheme, the screening sheet has reduced impurity in the air current and has collided with heat transfer fin and damage heat transfer fin, leads to the condition that heat transfer effect worsens.

Preferably, one side that the screening sheet is close to the body is fixed with a plurality of support ears, support the ear and adjacent two heat transfer fin between the clearance one-to-one, arbitrary support ear deviates from the both sides respectively the butt on the adjacent two heat transfer fin relative surfaces that correspond.

Through adopting above-mentioned technical scheme, support the ear and help keeping the interval between the heat transfer fin, reduced two adjacent heat transfer fin's interval undersize and made the condition that the heat transfer effect worsens.

In summary, the present application includes at least the following advantageous technical effects:

1. the heat exchange fins can increase the heat exchange area of the radiating pipe, so that the refrigerant can take away more heat in the evaporation chamber within the same time, the working time of the compressor is reduced, and the refrigeration dryer is more energy-saving;

2. the heat exchange fins are annular, and a plurality of heat exchange fins are connected and integrally in a spiral shape, so that the heat exchange efficiency of the heat exchange tube is effectively improved;

3. the airflow can circulate through the circulation holes on the heat exchange fins, so that the heat exchange effect of the heat exchange fins is improved;

4. the support lug helps to keep the distance between two adjacent heat exchange fins, and the condition that the heat exchange effect is poor due to the fact that the distance between two adjacent heat exchange fins is too small is reduced.

Drawings

Fig. 1 is a schematic view of a heat exchange tube of a high-fin energy-saving freeze dryer, which is mainly used for embodying the overall structure of the heat exchange tube of the embodiment of the present application;

fig. 2 is a schematic view of a second embodiment of the present application, which is mainly used for embodying the overall structure of a heat exchange tube of a high-fin energy-saving cold dryer;

fig. 3 is a schematic view of the heat exchange tube of the high-fin energy-saving cold dryer according to the third embodiment of the present application, which is mainly used for embodying the overall structure of the heat exchange tube.

Reference numerals: 1. a pipe body; 2. heat exchange fins; 3. tightening the plate; 4. a flow-through hole; 5. a reinforcing bar; 6. a protective sheet; 7. and supporting the ears.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a high-fin energy-saving cold drying machine heat exchange tube.

Example 1

Referring to fig. 1, including body 1, the refrigerant flows in body 1, and the shaping has heat transfer fin 2 on the body 1 outer wall, and heat transfer fin 2 is the copper fin, and the inner wall laminating of heat transfer fin 2 is on the surface of body 1.

Through the heat transfer area of 2 increase cooling tubes of heat transfer fin, make refrigerant and the indoor heat exchange efficiency of evaporating higher, the compressor reduces the indoor energy that consumes to the uniform temperature still less with the evaporating, and then makes the refrigeration dryer more energy-conserving.

Referring to fig. 1, a plurality of heat exchange fins 2 are densely distributed along the axial direction of the tube body 1, any two adjacent heat exchange fins 2 are integrally formed, the whole heat exchange fin 2 is in a spiral shape, and the heat exchange fins 2 surround the axial direction of the tube body 1.

In order to improve the structural strength of the overall spiral heat exchange fin 2, the outer wall of the tube body 1 is welded with two tightening plates 3, the two tightening plates 3 are respectively located at a spiral starting point and a spiral ending point, and the two tightening plates 3 are respectively attached to two sides of the spiral starting point and the spiral ending point, which deviate from the two heat exchange fins 2.

The implementation principle of the embodiment 1 is as follows: the heat exchange tube of the refrigeration dryer exchanges heat with air in the evaporation chamber through an internal refrigerant, the temperature of the evaporation chamber is reduced to the dew point temperature of corresponding pressure, the heat exchange efficiency of the heat exchange tube is higher, and the energy consumed by the compressor is less when the temperature is reduced, so that the refrigeration dryer is more energy-saving. Through set up a plurality of heat transfer fins 2 on the outer wall of heat exchange tube and heat transfer fin 2 wholly is the spiral type, has improved the heat transfer area of heat exchange tube with the air greatly, has improved the heat exchange efficiency of heat exchange tube, and then makes the refrigeration dryer more energy-conserving.

Example 2

Referring to fig. 2, embodiment 2 differs from embodiment 1 in that: each heat exchange fin 2 is provided with a circulation hole 4, the axes of the circulation holes 4 on the heat exchange fins 2 coincide, the circulation holes 4 on the heat exchange fins 2 coincide are in one group, each heat exchange fin 2 is provided with three circulation holes 4, the three circulation holes 4 are distributed in an equilateral triangle shape, and the circulation holes 4 are in three groups.

In order to improve the structural strength of the overall spiral heat exchange fin 2, the heat exchange fin 2 is provided with the reinforcing rods 5 in a penetrating mode, the reinforcing rods 5 are axially parallel to the axial direction of the tube body 1, the reinforcing rods 5 penetrate through all the heat exchange fins 2, the number of the reinforcing rods 5 is three, and the three reinforcing rods 5 are respectively located at three intervals between the three circulation holes 4.

The implementation principle of the embodiment 2 is as follows: the axes of each group of circulation holes 4 are overlapped, and the air between the heat exchange fins 2 circulates, so that the heat exchange efficiency of the heat exchange fins 2 is improved, and the cold drying machine is more energy-saving. Meanwhile, the reinforcing rod 5 improves the overall structural strength of the heat exchange fin 2, and reduces the condition that the heat exchange fin 2 deforms due to external force to cause the reduction of heat exchange efficiency.

Example 3

Referring to fig. 3, embodiment 3 differs from embodiment 1 in that: the holistic externally mounted of heat transfer fin 2 has screening glass 6, and 6 cross-sections of screening glass are arc, and the inner wall laminating of screening glass 6 is on a plurality of heat transfer fin 2's outward flange, and 6 length direction's of screening glass both ends weld respectively on two tightening plates 3, and screening glass 6 is total three, and screening glass 6 is equilateral triangle along heat transfer fin 2's circumference and distributes. The shaping has support ear 7 on 6 inner walls of protection sheet, supports ear 7 and is provided with a plurality ofly, supports the clearance one-to-one between ear 7 and two adjacent heat transfer fin 2, and every supports ear 7 and all stretches into the clearance between adjacent heat transfer fin 2, supports the both sides butt that ear 7 deviates from mutually and corresponds two adjacent heat transfer fin 2 on the relative surface.

Claims (6)

1. Energy-conserving cold quick-witted heat exchange tube of doing of high fin formula, including body (1), its characterized in that: a plurality of heat exchange fins (2) are fixed on the outer wall of the tube body (1), and one end of any heat exchange fin (2) is abutted against the outer wall of the tube body (1);

the heat exchange fins (2) are fixedly connected in sequence and are integrally spiral, and the heat exchange fins (2) are encircled along the axial direction of the tube body (1);

tightening plates (3) are fixed on the tube body (1), one tightening plate (3) is fixed at each of the spiral starting point and the spiral ending point of the heat exchange fins (2), and two of the heat exchange fins (2) located at the spiral starting point and the spiral ending point are respectively abutted against the two tightening plates (3).

2. The high-fin energy-saving cold dryer heat exchange tube of claim 1, wherein: any heat exchange fin (2) is annular, and the inner wall of any heat exchange fin (2) is attached to the surface of the tube body (1).

3. The high-fin energy-saving cold dryer heat exchange tube of claim 1, wherein: circulation holes (4) are formed in any one of the heat exchange fins (2), and the axes of the circulation holes (4) in the plurality of heat exchange fins (2) are overlapped.

4. The high-fin energy-saving cold dryer heat exchange tube of claim 1, wherein: reinforcing rods (5) penetrate through the heat exchange fins (2), and the reinforcing rods (5) penetrate through all the heat exchange fins (2).

5. The high-fin energy-saving cold dryer heat exchange tube of claim 1, wherein: two erect between the tightening plate (3) and be equipped with screening glass (6), screening glass (6) are close to the side of body (1) and arbitrary heat transfer fin (2) keep away from the side butt of body (1).

6. The high-fin energy-saving cool dryer heat exchange tube of claim 5, characterized in that: one side that protection sheet (6) are close to body (1) is fixed with a plurality of support ears (7), support ear (7) and two adjacent heat transfer fin (2) clearance one-to-one, arbitrary support ear (7) both sides that deviate from mutually butt respectively on the two adjacent heat transfer fin (2) relative surfaces that correspond.

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