CN210978002U

CN210978002U - MVR is with low noise shock-proof type compressor

Info

Publication number: CN210978002U
Application number: CN201921452000.XU
Authority: CN
Inventors: 孙培军
Original assignee: Hezhongsi Beijing Environmental Engineering Co ltd
Current assignee: Hezhongsi Beijing Environmental Engineering Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-07-10
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a low noise shock attenuation type compressor for MVR, including the base, damping device is fixed at the top of base, and damping device includes upper flange, rubber damping ball and lower flange, rubber damping ball is located between upper flange and lower flange, and the both ends of upper flange and lower flange are run through respectively has first threaded rod and second threaded rod, first threaded rod and second threaded rod symmetry are located the both sides of rubber damping ball, damping device's top is connected with the whistle box, and the border position department of whistle box is connected with the chamber door through the hinge rotation, be fixed with the chamber door wedge on the inside wall of chamber door, the utility model discloses set up whistle box and cavity, install the compressor in the cavity, and all be provided with the whistle wedge on the three inside walls of cavity, through the little crescent and air characteristic impedance match of whistle wedge portion cross-section, this achieves that the incident sound waves are absorbed completely almost without reflection.

Description

MVR is with low noise shock-proof type compressor

Technical Field

The utility model belongs to the technical field of MVR, concretely relates to MVR is with low noise shock-proof type compressor.

Background

The Mechanical Vapor Recompression (MVR) technology has the advantages of simple and compact structure, stable and reliable operation, simple operation, low requirement on pretreatment of feed liquid and the like, and has been widely applied to the industries of chemical engineering, food, pharmacy, seawater desalination, sewage treatment and the like, a vapor compressor is a core component in a system, the compressors are classified according to the structural form as shown in figure 1.1, the MVR compressor is mainly selected from a Roots compressor and a centrifugal compressor, the centrifugal compressor is generally divided into a single-stage centrifugal compressor and a multi-stage centrifugal compressor, the single-stage centrifugal compressor is mainly characterized in that a cantilever impeller, the compressor and a gearbox are compactly arranged, and a motor, the gearbox and the compressor are generally arranged on the same base. The compressor shell is made of cast material, and the impeller is highly stressed due to the high tip speed of more than 400m/s, so the material of the impeller is generally high-quality material such as chrome-nickel steel or titanium alloy.

At present, the noise that current MVR compressor during operation produced is great, and traditional noise reduction device efficiency is not high, the diffusion of the suppression noise that can't be fine, and traditional MVR compressor during operation produces the vibration, makes the MVR compressor be in unstable operational environment, is unfavorable for the steady operation of MVR compressor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a MVR is with low noise shock-proof type compressor to it is great to propose the noise in solving above-mentioned background art, and the efficiency of making an uproar is not high and the problem that the vibration influences organism steady operation falls.

In order to achieve the above object, the utility model provides a following technical scheme: a low-noise shock-absorbing compressor for MVR comprises a base, wherein a shock absorption device is fixed at the top of the base and comprises an upper flange, a rubber shock absorption ball and a lower flange, the rubber shock absorption ball is positioned between the upper flange and the lower flange, a first threaded rod and a second threaded rod penetrate through the two ends of the upper flange and the lower flange respectively, the first threaded rod and the second threaded rod are symmetrically positioned at the two sides of the rubber shock absorption ball, the top of the shock absorption device is connected with a sound attenuation box, the edge position of the sound attenuation box is rotatably connected with a box door through a hinge, a box door wedge is fixed on the inner side wall of the box door, a cavity is formed in the sound attenuation box, a sound absorption wedge is installed on the inner side wall of the cavity, a base and a compressor body are fixed at the bottom end of the cavity, the base is positioned on one side of the compressor body, and a motor is installed at, and the motor is rotationally connected with the compressor body through the coupler, one end of the compressor body, which is far away from the motor, is connected with an inlet pipeline, an outlet pipeline is arranged at the top of the compressor body, and one ends of the inlet pipeline and the outlet pipeline, which are far away from the compressor body, extend to the outside of the sound muffling box.

Preferably, the upper flange and the lower flange are fixedly connected with the sound muffling box and the base through bolts respectively.

Preferably, the box door is fixedly connected with the sound insulation box through a lock catch.

Preferably, a sealing ring is arranged at the edge position of the sound attenuation box.

Preferably, the machine base is of a trapezoidal structure.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses set up whistle box and cavity, installed the compressor in the cavity, and all be provided with the noise elimination wedge on the three inside wall of cavity, follow little crescent and match with air characteristic impedance through noise elimination wedge part cross-section to the realization is almost absorbed incident sound wave totally without reflection, and then realizes absorbing the noise that compressor work produced, and it is efficient to fall the noise, in addition, has seted up the chamber door on the whistle box, is convenient for overhaul and maintain the compressor.

(2) The utility model discloses set up damping device between whistle box and base, including last flange, rubber shock attenuation ball and lower flange, connect whistle box and base into a whole through last flange and lower flange, rethread rubber shock attenuation ball carries out the shock attenuation to the stability of reinforcing compressor is favorable to guaranteeing the stable operation of compressor.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the sound muffling box of the present invention;

FIG. 3 is a schematic structural view of the damping device of the present invention;

in the figure: 1-an inlet duct; 2-a cavity; 3-an outlet pipe; 4-a sound-muffling box; 5-a box door; 6-compressor body; 7-an electric motor; 8-a machine base; 9-a shock-absorbing device; 91-upper flange; 92-rubber damping balls; 93-lower flange; 10-a base; 11-an acoustic wedge; 12-a chamber door wedge; 13-a first threaded rod; 14-second threaded rod.

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. 1-3, the present invention provides a technical solution: a low-noise shock-absorbing compressor for MVR comprises a base 10, a shock-absorbing device 9 is fixed on the top of the base 10, the shock-absorbing device 9 comprises an upper flange 91, a rubber shock-absorbing ball 92 and a lower flange 93, the rubber shock-absorbing ball 92 is convenient for shock absorption of the compressor, the rubber shock-absorbing ball 92 is positioned between the upper flange 91 and the lower flange 93, a first threaded rod 13 and a second threaded rod 14 penetrate through two ends of the upper flange 91 and the lower flange 93 respectively, the first threaded rod 13 and the second threaded rod 14 are responsible for connecting the upper flange 91 and the lower flange 93, the first threaded rod 13 and the second threaded rod 14 are symmetrically positioned on two sides of the rubber shock-absorbing ball 92, the top of the shock-absorbing device 9 is connected with a sound-attenuating box 4, the edge position of the sound-attenuating box 4 is rotatably connected with a box door 5 through a hinge, a box door wedge 12 is fixed on the inner side wall of the box 5, a cavity, and install wedge 11 on the inside wall of cavity 2, wedge 11 is used for absorbing the noise that produces in the compressor working process, the inside bottom mounting of cavity 2 has frame 8 and compressor organism 6, and frame 8 is located one side of compressor organism 6, motor 7 is installed at the top of frame 8, and motor 7 passes through the shaft coupling rotation with compressor organism 6 and is connected, the one end that motor 7 was kept away from to compressor organism 6 is connected with inlet pipe 1, and the top of compressor organism 6 is provided with outlet pipe 3, inlet pipe 1 and outlet pipe 3 keep away from the one end of compressor organism 6 and all extend to the outside of whistle box 4.

In order to connect the sound muffling box 4 and the base 10 into a whole, in the present embodiment, it is preferable that the upper flange 91 and the lower flange 93 are fixedly connected to the sound muffling box 4 and the base 10 by bolts, respectively.

In order to open and close the door 5, in this embodiment, preferably, the door 5 is fixedly connected to the sound muffling box 4 through a lock.

In order to tightly connect the sound muffling box 4 and the box door 5, in the present embodiment, it is preferable that a sealing ring is disposed at an edge position of the sound muffling box 4.

In order to improve the stability of the motor 7, in the present embodiment, the housing 8 preferably has a trapezoidal structure.

The utility model discloses a theory of operation and use flow: during the use, with inlet pipe 1 and outlet pipe 3 respectively with external pipe connection, it rotates to drive the shaft coupling through 7 work of motor, rotate the inside impeller of drive compressor organism 6 through the shaft coupling and rotate, thereby with gaseous from inlet pipe 1 suction compressor organism 6 in, and discharge from outlet pipe 3, in the working process, the sound wave on its surface will be incided to sound absorption wedge 11 through 2 inside settings of cavity absorbs, thereby realize preventing the outside propagation of noise and the diffusion that produce in the compressor working process, be favorable to falling the noise, rethread rubber damping ball 92 reduces the vibration that produces in motor 7 and the 6 working processes of compressor organism, be favorable to guaranteeing compressor steady operation, in addition, the staff can regularly open chamber door 5 and overhaul and maintain the compressor, and convenient use.

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

Claims

1. The utility model provides a MVR is with low noise shock attenuation type compressor, includes base (10), its characterized in that: the damping device (9) is fixed at the top of the base (10), the damping device (9) comprises an upper flange (91), a rubber damping ball (92) and a lower flange (93), the rubber damping ball (92) is positioned between the upper flange (91) and the lower flange (93), a first threaded rod (13) and a second threaded rod (14) penetrate through two ends of the upper flange (91) and the lower flange (93) respectively, the first threaded rod (13) and the second threaded rod (14) are symmetrically positioned at two sides of the rubber damping ball (92), the top of the damping device (9) is connected with a silencing box (4), the edge position of the silencing box (4) is rotatably connected with a box door (5) through a hinge, a box door wedge (12) is fixed on the inner side wall of the box door (5), a cavity (2) is formed in the silencing box (4), and a wedge (11) is installed on the inner side wall of the cavity (2), the inside bottom of cavity (2) is fixed with frame (8) and compressor organism (6), and frame (8) are located one side of compressor organism (6), motor (7) are installed to the top of frame (8), and motor (7) and compressor organism (6) pass through the shaft coupling and rotate and be connected, the one end that motor (7) were kept away from in compressor organism (6) is connected with inlet pipe way (1), and the top of compressor organism (6) is provided with outlet pipe way (3), the one end that compressor organism (6) were kept away from in inlet pipe way (1) and outlet pipe way (3) all extends to the outside of whistle box (4).

2. The compressor of claim 1, wherein the compressor comprises: the upper flange (91) and the lower flange (93) are fixedly connected with the sound muffling box (4) and the base (10) through bolts respectively.

3. The compressor of claim 1, wherein the compressor comprises: the box door (5) is fixedly connected with the sound muffling box (4) through a lock catch.

4. The compressor of claim 1, wherein the compressor comprises: and a sealing ring is arranged at the edge position of the sound attenuation box (4).

5. The compressor of claim 1, wherein the compressor comprises: the machine base (8) is of a trapezoidal structure.