CN209781211U - Vibration and noise reduction device for steam compressor - Google Patents
Vibration and noise reduction device for steam compressor Download PDFInfo
- Publication number
- CN209781211U CN209781211U CN201920662913.8U CN201920662913U CN209781211U CN 209781211 U CN209781211 U CN 209781211U CN 201920662913 U CN201920662913 U CN 201920662913U CN 209781211 U CN209781211 U CN 209781211U
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- balance chamber
- fixedly connected
- vapor compressor
- gasbag
- pipe
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Abstract
The utility model discloses a vapor compressor vibration and noise subduct device, including roots vapor compressor, fixedly connected with inlet pipe on roots vapor compressor's the up end, fixedly connected with conveyer pipe on roots vapor compressor's the lateral wall, roots vapor compressor's one serves fixedly connected with pipe is kept away from to the conveyer pipe. The utility model discloses in, because the indoor steam environment of one-level balance and the indoor air circumstance of second grade balance do not communicate each other, therefore sealing performance is good, the poor problem of piston sealing performance who exists when using the piston to balance steam pressure pulsation change does not exist, and simultaneously, first gasbag and second gasbag can appear the very first time fast reaction that changes in the indoor steam pressure of atmospheric pressure balance, balance it, so effectual subduing to vapor compressor vibration and noise, the insensitive problem that the piston structure arouses by the quality of piston piece and inertia has been solved.
Description
Technical Field
The utility model relates to a vapor compressor technical field especially relates to a vapor compressor vibration and noise subduct device.
Background
The steam compressor is generally used for compressing secondary waste steam in a waste heat recovery system, improves the temperature and the pressure of the secondary waste steam, and is key equipment for recycling the waste steam. Typically, for example, a roots vapor compressor generally adopts a three-blade or two-blade structure, the blades rotate at a constant speed, and when the blades rotate to perform vapor compression, the discharge speed of the compressed vapor is changed in a pulsating manner due to different mixing positions of the blades, so that the outlet vapor pressure is periodically fluctuated, which is also one of the main reasons for generating vibration and noise.
the conventional vibration and noise reduction device for the steam compressor generally balances the pulsation change of steam pressure by using a piston structure, but has the problem of low sensitivity caused by inertia of a piston block because the piston block has large mass, and cannot balance the vibration and noise reduction device at the first time of the change of the steam pressure, so that the vibration and noise reduction device for the steam compressor is poor in reduction of the vibration and the noise of the steam compressor.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the conventional vibration and noise reduction device for the steam compressor generally balances the pulsation change of steam pressure by using a piston structure, but has the problem of low sensitivity caused by inertia of a piston block because the piston block has large mass, and cannot balance the vibration and noise reduction device at the first time of the change of the steam pressure, so that the vibration and noise reduction device for the steam compressor is poor in reduction of the vibration and the noise of the steam compressor.
in order to achieve the above purpose, the utility model adopts the following technical scheme:
A vibration and noise reduction device for a vapor compressor comprises a Roots vapor compressor, wherein a vapor inlet pipe is fixedly connected to the upper end face of the Roots vapor compressor, a delivery pipe is fixedly connected to one side wall of the Roots vapor compressor, a guide pipe is fixedly connected to one end, away from the Roots vapor compressor, of the delivery pipe, a pressure balance chamber is fixedly connected to one end, away from the delivery pipe, of the guide pipe, a vapor discharge pipe is arranged on one side wall, away from the guide pipe, of the pressure balance chamber, a valve is mounted on the vapor discharge pipe, a primary balance chamber is fixedly connected to the upper end face of the pressure balance chamber, and a secondary balance chamber is fixedly connected to one side wall, away from the pressure balance chamber, of the primary;
The indoor one-level balance chamber that is equipped with the atmospheric pressure balance chamber intercommunication of one-level balance chamber, the first gasbag of fixedly connected with on the lateral wall that the atmospheric pressure balance chamber was kept away from in the one-level balance chamber, the indoor second balance chamber that is equipped with of second grade balance chamber, the second grade balance chamber is close to fixedly connected with second gasbag on the lateral wall of one-level balance chamber, communicate each other through the connecting pipe that runs through one-level balance chamber and second grade balance chamber between second gasbag and the first gasbag, the second gasbag is kept away from and is equipped with pressure compensation device on one side wall of one-level balance chamber.
Preferably, the pressure compensation device comprises a baffle, the baffle is fixedly connected to a side wall of the second air bag far away from the first-stage balance chamber, the baffle is slidably connected to the second-stage balance chamber, the baffle is fixedly connected to a side wall of the second air bag far away from the spring, and one end of the spring far away from the baffle is fixedly connected to the inner side wall of the second-stage balance chamber.
Preferably, the spring is made of spring steel through a hot rolling process.
Preferably, the first air bag and the second air bag are both rubber air bags made of chlorinated butyl rubber materials.
Preferably, the primary balance chamber is fixedly connected to the upper end face of the air pressure balance chamber in a welding manner.
Preferably, the conveying pipe and the guide pipe are fixedly connected together in a flange connection mode.
The utility model has the advantages that:
1. When the steam pressure in the air pressure balance chamber has large-amplitude pulse change, the steam pressure in the first-stage balance chamber communicated with the first-stage balance chamber is changed along with the change of the steam pressure, so that the first air bag and the second air bag are caused to contract or expand, the air pressure change in the air pressure balance chamber is transmitted to the second-stage balance chamber, the air pressure change in the air pressure balance chamber is compensated or reduced by means of the air pressure in the second-stage balance chamber, the amplitude of the pulse change of the steam pressure in the air pressure balance chamber is reduced, the pressure load change at the fan blade position of the Roots steam compressor is reduced, and the vibration and the noise of the Roots.
2. Because the steam environment in the first-stage balance chamber is not communicated with the air environment in the second-stage balance chamber, the sealing performance is good, the problem of poor sealing performance of the piston existing when the piston is used for balancing the steam pressure fluctuation is solved, meanwhile, the first air bag and the second air bag can quickly react at the first time when the steam pressure in the air pressure balance chamber changes to balance the steam pressure, and the problem that the piston structure is insensitive due to the mass and inertia of the piston block is solved.
3. Because first gasbag and second gasbag realize balancing the pulsation change of indoor steam atmospheric pressure of atmospheric pressure with the help of the pressure of the balanced indoor air of second grade to the second gasbag and carry out balancedly, and the balanced indoor space of second grade is limited, the pressure that can provide the second gasbag is limited, consequently can be with the help of the spring action of spring, increase the amplitude of the indoor pulsating atmospheric pressure change of atmospheric pressure balance that first gasbag and second gasbag can be balanced, make the balanced amplitude scope wider, balanced effect is better, then promoted the subduction effect to roots's vapor compressor vibration and noise.
Drawings
Fig. 1 is a schematic front structural view of a vibration and noise reduction device of a vapor compressor according to the present invention;
Fig. 2 is the internal structure schematic diagram of the first-stage balance chamber and the second-stage balance chamber of the steam compressor vibration and noise reduction device provided by the utility model.
In the figure: the gas-liquid separator comprises a Roots vapor compressor 1, a gas inlet pipe 2, a delivery pipe 3, a guide pipe 4, a gas pressure balance chamber 5, a gas exhaust pipe 6, a valve 7, a primary balance chamber 8, a secondary balance chamber 9, a primary balance cavity 10, a first gas bag 11, a secondary balance cavity 12, a second gas bag 13, a connecting pipe 14, a baffle 15 and a spring 16.
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.
in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a vibration and noise reduction device for a vapor compressor comprises a roots vapor compressor 1 (the roots vapor compressor 1 belongs to the prior art, the working principle and the connection mode of the roots vapor compressor are not described in detail here), a vapor inlet pipe 2 is fixedly connected to the upper end face of the roots vapor compressor 1, a delivery pipe 3 is fixedly connected to one side wall of the roots vapor compressor 1, vapor waste gas is introduced into the roots vapor compressor 1 from the vapor inlet pipe 2, the temperature and the pressure of the vapor waste gas are raised through the roots vapor compressor 1, and then the high-temperature and high-pressure vapor waste gas after the temperature and the pressure are raised is delivered into the delivery pipe 3.
Conveyer pipe 3 keeps away from one of roots vapor compressor 1 and serves fixedly connected with pipe 4, mode fixed connection through flange joint is in the same place between conveyer pipe 3 and the pipe 4, the mode that uses flange joint links together conveyer pipe 3 and pipe 4, can be so that the fixed connection between conveyer pipe 3 and the pipe 4 is effectual, fixed connection intensity is high, convenient to detach, and good sealing performance has, thereby can effectually avoid the high temperature high pressure steam in conveyer pipe 3 to leak, and then play certain guarantee effect to staff's personal safety on every side.
pipe 4 keeps away from conveyer pipe 3 one serve fixedly connected with atmospheric pressure balance chamber 5, atmospheric pressure balance chamber 5 keeps away from and is equipped with exhaust pipe 6 on pipe 4's a lateral wall, install valve 7 on exhaust pipe 6, fixedly connected with one-level balance chamber 8 on atmospheric pressure balance chamber 5's the up end, one-level balance chamber 8 is through welded mode fixed connection on atmospheric pressure balance chamber 5's the up end, the welding can be so that one-level balance chamber 8 and 5 firm fixed connection of atmospheric pressure balance chamber are in the same place, overall structure nature is strong, can bear bigger steam pressure and do not receive destruction.
Fixedly connected with second grade balance chamber 9 on one side wall of atmospheric pressure balance chamber 5 is kept away from to one-level balance chamber 8, be equipped with the balanced chamber 10 of one-level with atmospheric pressure balance chamber 5 intercommunication in the one-level balance chamber 8, the first gasbag 11 of fixedly connected with on the one side wall of atmospheric pressure balance chamber 5 is kept away from to one-level balance chamber 10, be equipped with the balanced chamber 12 of second grade in the second grade balance chamber 9, the balanced chamber 12 of second grade is close to fixedly connected with second gasbag 13 on one side wall of one-level balance chamber 8, communicate each other through connecting pipe 14 that runs through one-level balance chamber 8 and second grade balance chamber 9 between second gasbag 13 and the first gasbag 11.
In a normal state, the first air bag 11 and the second air bag 13 are communicated, so that the air pressure in the first-stage balance cavity 10 and the second-stage balance cavity 12 is kept consistent and is the same as the air pressure in the first air bag 11 and the second air bag 13, when the steam air pressure in the air pressure balance chamber 5 is greatly changed, the steam air pressure in the first-stage balance chamber 8 communicated with the air pressure balance cavity is changed, along with the change of the air pressure, the first air bag 11 and the second air bag 13 transmit the change of the air pressure in the air pressure balance chamber 5 to the second-stage balance chamber 9 through contraction or expansion, and then the change of the air pressure in the air pressure balance chamber 5 is compensated or reduced by the air pressure in the second-stage balance chamber 9, so that the amplitude of the fluctuation of the steam air pressure in the air pressure balance chamber 5 is.
Because the steam environment in the first-stage balance chamber 8 is not communicated with the air environment in the second-stage balance chamber 9, the sealing performance is good, the problem of poor sealing performance of a piston existing when the piston is used for balancing the steam pressure pulsation change does not exist, meanwhile, the first air bag 11 and the second air bag 13 can quickly react at the first time when the steam pressure in the air pressure balance chamber 5 changes, the air pressure is balanced, the problem that the piston structure is insensitive to the mass and inertia of a piston block is solved, after the pulsation change of the steam pressure in the air pressure balance chamber 5 is balanced, the pressure load change at the fan blade position of the roots steam compressor 1 is reduced, and therefore the vibration and the noise of the roots steam compressor 1 are reduced.
first gasbag 11 and second gasbag 13 are the rubber gasbag who is made by the processing of chlorinated butyl rubber material, the gas tightness is good, can normally work in high temperature high pressure steam environment, and with good performance of adhesion between the metal, second gasbag 13 is kept away from and is equipped with pressure compensating device on one side wall of one-level balance chamber 8, pressure compensating device includes baffle 15, baffle 15 fixed connection is on one side wall of one-level balance chamber 8 is kept away from to second gasbag 13, baffle 15 sliding connection is in second grade balance chamber 12, baffle 15 keeps away from fixedly connected with spring 16 on one side wall of second gasbag 13.
One end fixed connection that baffle 15 was kept away from to spring 16 is on the inside wall of second grade balance chamber 12, because first gasbag 11 and second gasbag 13 realize balancing the pulsation change of steam pressure in the atmospheric pressure balance chamber 5 with the help of the pressure of second grade balance chamber 9 interior air to second gasbag 13, and second grade balance chamber 9 inner space is limited, the pressure that can provide second gasbag 13 is limited, consequently, can be with the help of the spring action of spring 16, increase the amplitude of the pulsation formula atmospheric pressure change in the atmospheric pressure balance chamber 5 that first gasbag 11 and second gasbag 13 can be balanced, make the balanced range scope wider, balanced effect is better, consequently, promoted the subduction effect to roots's vapor compressor 1 vibration and noise, spring 16 is formed by spring steel through the hot rolling technology manufacturing, load-carrying capacity is good, the elasticity limit is high, the resilience is good, be difficult to warp.
In the utility model, during the normal state, the atmospheric pressure in the first-stage balance chamber 10 and the second-stage balance chamber 12 keeps the unanimity, and with the air pressure size in first gasbag 11 and the second gasbag 13 the same, when the steam pressure in the air pressure balance chamber 5 appears large amplitude pulsation change, the steam pressure in the first-stage balance chamber 8 communicated with it changes along with it, thereby cause first gasbag 11 and second gasbag 13 through shrink or inflation, transmit the atmospheric pressure change in the air pressure balance chamber 5 to the second-stage balance chamber 9, then compensate or subdue the atmospheric pressure change in the air pressure balance chamber 5 with the help of the air pressure in the second-stage balance chamber 9, thereby subdue the range of the steam pressure pulsation change in the air pressure balance chamber 5;
because the steam environment in the first-stage balance chamber 8 is not communicated with the air environment in the second-stage balance chamber 9, the sealing performance is good, the problem of poor sealing performance of a piston existing when the piston is used for balancing the steam pressure pulsation change does not exist, meanwhile, the first air bag 11 and the second air bag 13 can quickly react at the first time when the steam pressure in the air pressure balance chamber 5 changes, the air pressure is balanced, the problem that the piston structure is insensitive to the mass and inertia of a piston block is solved, after the pulsation change of the steam pressure in the air pressure balance chamber 5 is balanced, the pressure load change at the fan blade position of the roots steam compressor 1 is reduced, and therefore the vibration and the noise of the roots steam compressor 1 are reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A vibration and noise reduction device of a vapor compressor comprises a Roots vapor compressor (1), it is characterized in that the upper end surface of the Roots vapor compressor (1) is fixedly connected with a vapor inlet pipe (2), one side wall of the Roots vapor compressor (1) is fixedly connected with a conveying pipe (3), a duct (4) is fixedly connected at one end of the conveying pipe (3) far away from the Roots vapor compressor (1), one end of the conduit (4) far away from the delivery pipe (3) is fixedly connected with an air pressure balancing chamber (5), a steam exhaust pipe (6) is arranged on one side wall of the air pressure balancing chamber (5) far away from the guide pipe (4), a valve (7) is arranged on the steam exhaust pipe (6), a primary balance chamber (8) is fixedly connected on the upper end surface of the air pressure balance chamber (5), a secondary balance chamber (9) is fixedly connected to one side wall of the primary balance chamber (8) far away from the air pressure balance chamber (5);
Be equipped with in one-level balance chamber (8) with the one-level balance chamber (10) of atmospheric pressure balance chamber (5) intercommunication, the first gasbag (11) of fixedly connected with on one side wall of atmospheric pressure balance chamber (5) is kept away from in one-level balance chamber (10), be equipped with second grade balance chamber (12) in second grade balance chamber (9), fixedly connected with second gasbag (13) on the lateral wall that second grade balance chamber (12) are close to one-level balance chamber (8), communicate each other through connecting pipe (14) that run through one-level balance chamber (8) and second grade balance chamber (9) between second gasbag (13) and first gasbag (11), second gasbag (13) are kept away from on one side wall of one-level balance chamber (8) and are equipped with pressure compensation arrangement.
2. The vapor compressor vibration and noise reduction device according to claim 1, wherein the pressure compensation device comprises a baffle (15), the baffle (15) is fixedly connected to a side wall of the second air bag (13) far away from the primary balance chamber (8), the baffle (15) is slidably connected to the secondary balance chamber (12), a spring (16) is fixedly connected to a side wall of the baffle (15) far away from the second air bag (13), and one end of the spring (16) far away from the baffle (15) is fixedly connected to an inner side wall of the secondary balance chamber (12).
3. The vapor compressor vibration and noise reduction apparatus according to claim 2, wherein the spring (16) is made of spring steel through a hot-rolling process.
4. The vapor compressor vibration and noise reduction device according to claim 1, wherein the first air bag (11) and the second air bag (13) are both rubber air bags made of chlorinated butyl rubber material.
5. The vapor compressor vibration and noise reduction device according to claim 1, wherein the primary balance chamber (8) is fixedly connected to the upper end surface of the air pressure balance chamber (5) by welding.
6. The steam compressor vibration and noise reduction device according to claim 1, wherein the delivery pipe (3) and the conduit (4) are fixedly connected together by means of flange connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662913.8U CN209781211U (en) | 2019-05-09 | 2019-05-09 | Vibration and noise reduction device for steam compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662913.8U CN209781211U (en) | 2019-05-09 | 2019-05-09 | Vibration and noise reduction device for steam compressor |
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| Publication Number | Publication Date |
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| CN209781211U true CN209781211U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920662913.8U Expired - Fee Related CN209781211U (en) | 2019-05-09 | 2019-05-09 | Vibration and noise reduction device for steam compressor |
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| CN (1) | CN209781211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941637A (en) * | 2022-04-24 | 2022-08-26 | 马国山 | Motor cavity air pressure balancing device |
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2019
- 2019-05-09 CN CN201920662913.8U patent/CN209781211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941637A (en) * | 2022-04-24 | 2022-08-26 | 马国山 | Motor cavity air pressure balancing device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20200509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |