CN211041456U - Mute type air-cooled screw water chiller - Google Patents

Abstract

The utility model discloses a silent air-cooled screw chiller, comprising a box body, a second sound insulation board is arranged inside the box body, and an air inlet duct and an air outlet duct are respectively arranged on the left and right sides of the box body , the inner side of the air inlet duct and the air outlet duct is provided with a muffler, and the ends of the air inlet duct and the air outlet duct that are close to each other are respectively provided with an exhaust fan and an exhaust fan, and the exhaust fan and the exhaust fan are both arranged in the box body. The inner side, the inner bottom side of the box body is provided with a base, the base is provided with sound insulation cotton, the sound insulation cotton is provided with a mounting seat, a condenser is installed on the mounting seat, and the upper part of the condenser is installed. There is an evaporator on the surface, and the evaporator is connected with the screw compressor through a circulation pipe. This silent air-cooled screw chiller can perform sound insulation and heat dissipation at the same time, solving the problems of noise and heat dissipation, and at the same time, preventing noise from flowing along the air. Propagation, which improves the noise reduction effect.

Description

A silent air-cooled screw chiller

technical field

The utility model relates to the technical field of screw chillers, in particular to a mute air-cooled screw chiller.

Background technique

The screw chiller gets its name because of the screw compressor. Its cooling power is larger than that of the scroll chiller. It is mainly used in chemical plants, ink printing plants, automobile manufacturers or central air conditioning systems or other large industries. refrigeration.

Existing high-speed screw chillers generate relatively large noises. In the prior art, sound insulation materials are used or the chillers are sealed as much as possible to reduce noise. This method will have the disadvantage of poor heat dissipation, or add air cooling devices. However, when the air-cooled device is in use, the noise is easily transmitted through the flowing air, which reduces the noise reduction effect.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to overcome the existing defects and provide a silent air-cooled screw chiller, which can perform sound insulation and heat dissipation at the same time, solve the problems of noise and heat dissipation, and at the same time, prevent the noise from spreading along the flowing air , the noise reduction effect is improved, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a silent air-cooled screw chiller, comprising a box body, the inside of the box body is provided with a second sound insulation board, and the left and right sides of the box body are respectively provided with There are an air inlet duct and an air outlet duct, the inner sides of the air inlet duct and the air outlet duct are provided with mufflers, and the ends of the air inlet duct and the air outlet duct that are close to each other are respectively provided with an exhaust fan and an exhaust fan, and the exhaust fan is and the exhaust fan are arranged on the inner side of the box body, the inner bottom side of the box body is provided with a base, the base is provided with sound insulation cotton, the sound insulation cotton is provided with a mounting seat, and the condensation The upper surface of the condenser is provided with an evaporator, the evaporator is connected to the screw compressor through a circulation pipe, the screw compressor is located above the evaporator, and the left side of the screw compressor is provided with a motor, The upper surface of the box body is hinged with an upper cover, the inside of the upper cover is provided with a first sound insulation board, the front side of the box body is provided with a control switch group, the control switch group is connected with the exhaust fan, motor, The evaporator, the condenser and the exhaust fan are electrically connected, and the control switch group is electrically connected with an external power supply.

In this way, the sound insulation and heat dissipation work at the same time, and the problems of noise and heat dissipation are solved at the same time. In the heat dissipation structure of the chiller, a multi-layer semi-closed partition is set to increase the attenuation of the sound during the transmission process.

Preferably, the left and right sides of the condenser are respectively provided with a refrigerant water inlet pipe and a refrigerant water outlet pipe, and the sides of the refrigerant water inlet pipe and the refrigerant water outlet pipe are provided with a first valve, which is convenient for cold water to flow into the condenser and pass through the evaporator. It dissipates and absorbs heat, and accelerates the energy exchange of the screw compressor.

Preferably, the upper surface of the screw compressor is provided with an exhaust shut-off valve, the left and right sides of the screw compressor are respectively provided with a chilled water outlet pipe and a chilled water inlet pipe, and the chilled water outlet pipe and the chilled water inlet pipe are respectively provided There are second valves on the sides of the compressor to facilitate the flow of chilled water into and out of the screw compressor.

Preferably, the sides of the box body are provided with four mounting blocks, and the upper surfaces of the four mounting blocks are provided with mounting posts, which can be mounted and fixed with external facilities to facilitate the installation of the chiller.

Preferably, a groove is provided on the upper surface of the box body, a sealing ring is placed in the interior of the groove, a protrusion is provided on the bottom side of the upper cover, and the protrusion is correspondingly sleeved with the groove, so that the The upper cover and the box are sealed to avoid the outgoing noise.

Preferably, the left and right sides of the base are threadedly connected with positioning screw posts through threaded holes, and the sides of the two positioning screw posts that are close to each other are connected to the side of the mounting seat, which can fix the position of the mounting seat and avoid the use of shaking.

Preferably, the inner side of the air inlet duct is provided with a dustproof net, and the dustproof net is located on the left side of the left muffler, which can prevent dust from entering and avoid affecting the muffler effect.

Preferably, the bottom side of the motor is provided with a motor seat, and one side inside the motor seat is connected to the side surface of the screw compressor, so as to facilitate the installation of the motor.

Preferably, the muffler includes a muffler sponge, the inner side of the muffler sponge is provided with a muffler plate and a sound insulation screen, the muffler grooves are distributed on the inner side of the muffler board and the sound insulation screen, and a multi-layer semi-closed barrier is arranged. , in the process of sound propagation, increasing its attenuation.

Compared with the prior art, the beneficial effects of the utility model are as follows: the silent air-cooled screw chiller optimizes the structure of the sound insulation layer, adopts the mode of sound insulation and heat dissipation at the same time, solves the problems of noise and heat dissipation at the same time, and dissipates heat in the chiller. In the structure, a multi-layer semi-enclosed barrier is set up to increase its attenuation during the transmission of sound, and a soundproof screen is set at the connection with the outside world. Various soundproof structures are used together to reduce the noise generated during work.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural sectional schematic diagram of the utility model;

Fig. 3 is the structural enlarged schematic diagram of the utility model A;

FIG. 4 is a schematic cross-sectional view of the structural muffler of the present invention.

In the picture: 1 box, 2 top cover, 3 control switch group, 4 installation block, 5 installation column, 6 refrigerant water inlet pipe, 7 first valve, 8 dust filter, 9 air inlet pipe, 10 base, 11 sound insulation cotton , 12 positioning thread posts, 13 refrigerant outlet pipes, 14 mufflers, 15 air outlet pipes, 16 exhaust fans, 17 screw compressors, 18 motors, 19 evaporators, 20 circulation pipes, 21 condensers, 22 exhaust fans, 23 mounting bases , 24 bumps, 25 sealing rings, 26 grooves, 27 first sound insulation board, 28 second sound insulation board, 29 chilled water outlet pipe, 30 second valve, 31 exhaust stop valve, 32 motor seat, 33 chilled water inlet Water pipes, 34 mufflers, 35 mufflers, 36 mufflers, 37 mufflers.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-4, the utility model provides a technical solution:

Embodiment 1: A silent air-cooled screw chiller includes a box body 1, a second sound insulation board 28 is arranged inside the box body 1, and an air inlet duct 9 and an air outlet duct are respectively provided on the left and right sides of the box body 1 15. A silencer 14 is provided on the inner side of the air inlet duct 9 and the air outlet duct 15. The air inlet duct 9 and the air outlet duct 15 can make the internal air form convection, and the silencer 14 is used to mute the sound, so that the mute and heat dissipation are carried out at the same time. , the muffler 14 includes a muffler sponge 35, the inner side of the muffler sponge 35 is provided with a muffler plate 34 and a sound insulation screen 37, the inner side of the muffler plate 34 and the sound insulation screen 37 is arranged with a muffler groove 36, and a multi-layer semi-closed partition is arranged. , in the process of sound propagation, its attenuation is increased, and the attenuated sound is muffled through the muffler groove 36 on the sound insulation screen 37, which is convenient for users to use. 8. The left side of the muffler 14 on the left side can prevent the entry of dust and avoid the effect of noise reduction. The end of the air inlet duct 9 and the air outlet duct 15 close to each other is provided with an exhaust fan 22 and an exhaust fan 16, and the exhaust fan 22 and The exhaust fans 16 are all arranged on the inner side of the box body 1, which can speed up the air convection inside the box body 1 and increase the heat dissipation effect. The internal medium is transmitted to the base 10, and the sound insulation is carried out through the sound insulation cotton 11, so as to avoid being directly transmitted to the box body 1. The sound insulation cotton 11 is provided with a mounting seat 23, and a condenser 21 is installed on the mounting seat 23. The upper part of the condenser 21 There is an evaporator 19 on the surface, the evaporator 19 is connected with the screw compressor 17 through the circulation pipe 20, the screw compressor 17 is located above the evaporator 19, and the water flowing out of the condenser 21 evaporates and absorbs heat through the evaporator 19 to accelerate the screw compression. For the energy exchange of the screw compressor 17, a motor 18 is provided on the left side of the screw compressor 17, a motor base 32 is provided on the bottom side of the motor 18, and the inner side of the motor base 32 is connected with the side surface of the screw compressor 17, which is convenient for the motor 18. Installation, the upper surface of the box body 1 is hinged with the upper cover 2 through the hinge, the inside of the upper cover 2 is provided with a first sound insulation board 27, the upper cover 2 and the first sound insulation board 27 and the second sound insulation board 28 inside the box body 1, To prevent noise from being transmitted, there is a control switch group 3 on the front side of the box body 1. The control switch group 3 is electrically connected with the exhaust fan 16, the motor 18, the evaporator 19, the condenser 21 and the exhaust fan 22, and the control switch group 3 is connected with the external power supply. For electrical connection, there are four mounting blocks 4 on the side of the box 1, and mounting posts 5 on the upper surface of the four mounting blocks 4, which can be installed and fixed with external facilities to facilitate the installation of the chiller.

Embodiment 2:

The difference between this embodiment and the first embodiment is that:

In this embodiment, a groove 26 is provided on the upper surface of the box body 1 , a sealing ring 25 is placed inside the groove 26 , and a protrusion 24 is provided on the bottom side of the upper cover 2 , and the protrusion 24 and the groove 26 are correspondingly sleeved The left and right sides of the base 10 are threadedly connected with the positioning screw rods 12 through the threaded holes.

Specifically, this arrangement can seal the upper cover 2 and the box body 1 to avoid the transmission of noise, and can fix the position of the mounting seat 23 to avoid shaking during use.

Embodiment three:

The difference between this embodiment and the first embodiment is that:

In this embodiment, the left and right sides of the condenser 21 are respectively provided with a refrigerant water inlet pipe 6 and a refrigerant water outlet pipe 13 , the sides of the refrigerant water inlet pipe 6 and the refrigerant water outlet pipe 13 are provided with a first valve 7 , and the upper surface of the screw compressor 17 is provided with a first valve 7 . An exhaust shut-off valve 31 is provided, and the left and right sides of the screw compressor 17 are respectively provided with a chilled water outlet pipe 29 and a chilled water inlet pipe 33, and the sides of the chilled water outlet pipe 29 and the chilled water inlet pipe 33 are provided with a second Valve 30.

Specifically, this arrangement can compress the gas generated by the evaporator 19, and then control it through the exhaust shut-off valve 31, which makes the operation simpler and improves the cooling efficiency. The exhaust shut-off valve 31 is a kind of application No. 201720407846.6 The components used in the evaporator of the air-cooled screw chiller facilitate the inflow of cold water into the condenser 21, and through the evaporator 19 to dissipate and absorb heat, it is convenient for the chilled water to flow into and out of the screw compressor 17, and the energy exchange of the screw compressor 17 is accelerated.

When in use: cover the upper cover 2 with the box body 1 to keep the seal between the box body 1 and the upper cover 2, the first sound insulation board 27 and the second sound insulation board 28 inside the upper cover 2 and the box body 1 prevent the screw When the compressor 17 is running, the noise is transmitted, and the noise is transmitted to the base 10 through the internal medium, and is insulated by the sound insulation cotton 11, so as to avoid being directly transmitted to the box 1. At the same time, the exhaust fan 22 and the exhaust fan 16 can be turned on, and the internal Air-cooled, when the noise is transmitted to the muffler 14 through the flowing air, it can be blocked by the muffler plate 34, so that the sound is attenuated during the transmission process, and the attenuated sound is muffled through the muffler groove 36 on the sound insulation screen 37, which is convenient for use. user's use.

The utility model can perform sound insulation and heat dissipation at the same time, solve the problems of noise and heat dissipation, and at the same time, prevent the noise from propagating along the flowing air, thereby improving the noise reduction effect.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a forced air cooling screw rod cold water machine of silence formula, includes box (1), its characterized in that: the inside of box (1) is equipped with second acoustic celotex board (28), the left and right sides of box (1) is equipped with air inlet pipeline (9) and air-out pipeline (15) respectively, the inside side of air inlet pipeline (9) and air-out pipeline (15) is equipped with muffler (14), the one end that air inlet pipeline (9) and air-out pipeline (15) are close to each other is equipped with air exhauster (22) and exhaust fan (16) respectively, and air exhauster (22) and exhaust fan (16) all establish the inside side of box (1), the inside bottom side of box (1) is equipped with base (10), be equipped with soundproof cotton (11) on base (10), be equipped with mount pad (23) on soundproof cotton (11), install condenser (21) on mount pad (23), the upper surface of condenser (21) is equipped with evaporimeter (19), evaporimeter (19) pass through circulating pipe (20) and be connected with screw compressor (17), screw compressor (17) are located the top of evaporimeter (19), the left side of screw compressor (17) is equipped with motor (18), the upper surface of box (1) articulates through the hinge has upper cover (2), the inside of upper cover (2) is equipped with first acoustic celotex board (27), the front side of box (1) is equipped with control switch group (3), control switch group (3) are connected with exhaust fan (16), motor (18), evaporimeter (19), condenser (21) and air exhauster (22) electricity, control switch group (3) are connected with external power supply electricity.

2. The silent air-cooled screw water chiller according to claim 1, wherein: the left side and the right side of the condenser (21) are respectively provided with a refrigerant water inlet pipe (6) and a refrigerant water outlet pipe (13), and the side surfaces of the refrigerant water inlet pipe (6) and the refrigerant water outlet pipe (13) are provided with first valves (7).

3. The silent air-cooled screw water chiller according to claim 1, wherein: the upper surface of screw compressor (17) is equipped with exhaust stop valve (31), the left and right sides of screw compressor (17) is equipped with refrigerated water outlet pipe (29) and refrigerated water inlet tube (33) respectively, and the side of refrigerated water outlet pipe (29) and refrigerated water inlet tube (33) all is equipped with second valve (30).

4. The silent air-cooled screw water chiller according to claim 1, wherein: the side of box (1) is equipped with four installation pieces (4), and the upper surface of four installation pieces (4) is equipped with erection column (5).

5. The silent air-cooled screw water chiller according to claim 1, wherein: the upper surface of the box body (1) is provided with a groove (26), a sealing ring (25) is placed in the groove (26), a convex block (24) is arranged on the bottom side of the upper cover (2), and the convex block (24) is correspondingly sleeved with the groove (26).

6. The silent air-cooled screw water chiller according to claim 1, wherein: the left side and the right side of the base (10) are both connected with positioning screw posts (12) through threaded holes, and one side, close to each other, of the two positioning screw posts (12) is abutted to the side face of the mounting seat (23).

7. The silent air-cooled screw water chiller according to claim 1, wherein: the inside side of intake stack (9) is equipped with dust screen (8), dust screen (8) are located the left side of left muffler (14).

8. The silent air-cooled screw water chiller according to claim 1, wherein: a motor seat (32) is arranged on the bottom side of the motor (18), and one side inside the motor seat (32) is connected with the side face of the screw compressor (17).

9. The silent air-cooled screw water chiller according to claim 1, wherein: the silencer (14) comprises a silencing sponge (35), a silencing plate (34) and a sound insulation screen (37) are arranged on the inner side face of the silencing sponge (35), and silencing grooves (36) are distributed on the inner side face arrays of the silencing plate (34) and the sound insulation screen (37).

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