CN206159733U - Fluid buffer , knockout, compressor and indirect heating equipment - Google Patents

Abstract

The utility model provides a fluid buffer, knockout, compressor and indirect heating equipment, wherein, the fluid buffer include: casing (10) have first intercommunication mouth, gasbag (20) set up in casing (10), and the inside of gasbag (20) is filled with gas, when gasbag (20) compressed, form cushion chamber (30) first intercommunication mouth and cushion chamber (30) intercommunication between gasbag (20) and casing (10). The technical scheme of the utility model in the time of can solving the fluid flow who is arranged in the part of conveyance fluid among the prior art effectively and increase suddenly, the problem of the easy oscillation generation of this part.

Description

Fluid cushion device, knockout, compressor and heat transmission equipment

Technical field

The utility model is related to fluid cushion technical field, in particular to a kind of fluid cushion device, knockout, Compressor and heat transmission equipment.

Background technology

In the prior art, in a device for during the part operation of trandfer fluid, if the stream of the fluid in the part Amount abruptly increase, the fluid of increase can clash into the inwall of the part, make the part produce vibration, so as to cause the energy loss of fluid. For example, knockout, specifically, cylinder, roller, bent axle, flange of compressor etc. are usually provided with rolling rotor compressor The pump housing for air-breathing is formed after component assembly, the pump housing is connected by air intake duct with the exhaust outlet of the exhaust pipe lower part of knockout It is logical.In rolling rotor compressor running, when the gettering rate of the above-mentioned pump housing is die-offed, (usually compressor switches frequency During rate), the gas flow of the blast pipe of knockout near the position of exhaust outlet can be sharply increased.Now, air-flow can reverse flow Tube wall is clashed into, so as to cause blast pipe to produce vibration, is vibrated particularly in compressor low-frequency operation more strong.Above-mentioned exhaust The vibration of pipe can affect the operational reliability of compressor, and vibration is usually associated with the loss of gas energy so that compressor Efficiency is reduced.

Utility model content

Main purpose of the present utility model is to provide a kind of fluid cushion device, knockout, compressor and heat transmission equipment, During fluid flow abruptly increase in solve the part for trandfer fluid of the prior art, the part easily produces asking for vibration Topic.

To achieve these goals, according to one side of the present utility model, there is provided a kind of fluid cushion device, bag Include：Housing, with the first connected entrance；Air bag, is arranged in housing, and the inside of air bag is filled with gas, when air bag is compressed, gas Cushion chamber is formed between capsule and housing, the first connected entrance is connected with cushion chamber.

Further, gas is inert gas.

According to another aspect of the present utility model, there is provided a kind of knockout, including：Knockout body；Blast pipe, exhaust One end of pipe stretches to knockout sheet in vivo, and blast pipe is located at the external part of knockout sheet and has exhaust outlet and the second connection Mouthful, knockout also includes fluid cushion device, and fluid cushion device is above-mentioned fluid cushion device, the of fluid cushion device One connected entrance is connected with the second connected entrance.

Further, blast pipe includes：First pipeline section, the first end of the first pipeline section stretches to knockout sheet in vivo, and first Second end of pipeline section is located at the outside of knockout body；Second pipeline section, bending is arranged on the second end of the first pipeline section, the second pipeline section Exhaust outlet is formed away from the mouth of pipe of the first pipeline section, the second connected entrance is located on the second pipeline section or positioned at the first pipeline section and the second pipeline section Junction.

Further, the second connected entrance is located at the junction of the first pipeline section and the second pipeline section, and the first connected entrance and the The center line of two connected entrances overlaps with the center line of the first pipeline section.

Further, knockout also includes the extension tube being arranged on the second connected entrance, and the first connected entrance passes through extension tube Connect with the second connected entrance.

Further, blast pipe is structure as a whole with extension tube.

Further, the volume of cushion chamber is more than or equal to exhaust when the air bag of fluid cushion device is compressed into limiting condition Gas flow variable quantity in the unit interval of exhaust ports when gas velocity change at mouthful is maximum.

Further, the internal gas pressure of air bag is equal to exhaust outlet when the air bag of fluid cushion device is in free state The pressure of exhaust ports when the gas velocity at place is stable.

According to another aspect of the present utility model, there is provided a kind of compressor, including knockout, knockout is above-mentioned dividing Liquid device.

According to another aspect of the present utility model, there is provided a kind of heat transmission equipment, including compressor, compressor is above-mentioned Compressor.

Using the technical solution of the utility model, air bag is set in housing, the inside of the air bag is filled with gas.Work as air bag When being compressed, cushion chamber is formed between air bag and housing, the first connected entrance is connected with cushion chamber.When needing the fluid of buffering from upper When stating the first connected entrance into fluid cushion device, needing the fluid of buffering can compress in air bag, now, between air bag and housing Cushion chamber is formed, the fluid of above-mentioned needs buffering is accommodated in the cushion chamber, so can play interim storage to fluid Effect.When above-mentioned fluid cushion device is used on the part of trandfer fluid, the fluid flow of abruptly increase in the part can be entered Row caching, so as to prevent the inwall of the fluid impact of the abruptly increase part, and then prevents the part from producing vibration, causing the energy of fluid Amount loss.

Description of the drawings

The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model. In the accompanying drawings：

Fig. 1 shows the perspective diagram of the embodiment according to knockout gettering rate of the present utility model when stable；

Fig. 2 shows the perspective diagram of embodiment when die-offing according to knockout gettering rate of the present utility model；With And

Fig. 3 shows the perspective diagram according to embodiment during knockout gettering rate abruptly increase of the present utility model；

Wherein, above-mentioned accompanying drawing is marked including the following drawings：

10th, housing；20th, air bag；30th, cushion chamber；40th, knockout body；51st, exhaust outlet；52nd, the first pipeline section；53rd, second Pipeline section；60th, extension tube.

Specific embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.It is below illustrative to the description only actually of at least one exemplary embodiment, never as to this practicality New and its application or any restriction for using.Based on the embodiment in the utility model, those of ordinary skill in the art are not having Have and make the every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

Unless specifically stated otherwise, the part for otherwise illustrating in these embodiments and positioned opposite, the digital table of step Scope of the present utility model is not limited up to formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description The size of individual part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered to award A part for power specification.In all examples shown here and discussion, any occurrence should be construed as merely example Property, not as restriction.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with It need not be further discussed in accompanying drawing afterwards.

In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, Vertically, vertically the orientation or position relationship indicated by, level " and " top, bottom " etc. is normally based on orientation shown in the drawings or position Relation is put, description the utility model is for only for ease of and is simplified description, in the case where contrary explanation is not made, these nouns of locality Do not indicate that and imply that the device or element of indication there must be specific orientation or with specific azimuth configuration and operation, because This is it is not intended that the restriction to the utility model protection domain；The noun of locality " inside and outside " is referred to relative to each part wheel of itself Wide is inside and outside.

For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ", " in ... upper surface ", " above " etc., for describing such as a device or feature shown in the figure and other devices or spy The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and And respective explanations are made to the relative description in space used herein above.

Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second " Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that to this The restriction of utility model protection scope.

As depicted in figs. 1 and 2, the fluid cushion device of the present embodiment is arranged on the knockout of rolling rotor compressor On, and for the buffering of gas in the blast pipe to knockout.Specifically, above-mentioned fluid cushion device includes housing 10 and air bag 20.Wherein, housing 10 has the first connected entrance.Air bag 20 is arranged in housing 10.The inside of air bag 20 is filled with gas, and gas Capsule 20 has elasticity.When air bag 20 is compressed, cushion chamber 30, the first connected entrance and buffering are formed between air bag 20 and housing 10 Chamber 30 connects.

Using the fluid cushion device of the present embodiment, air bag 20 is set in housing 10, the inside of the air bag 20 is filled with gas Body.When air bag 20 is compressed, cushion chamber 30 is formed between air bag 20 and housing 10, the first connected entrance is connected with cushion chamber 30. In rolling rotor compressor running, (the usually compressor switching when the gettering rate of the pump housing of compressor is die-offed During frequency), the gas of abruptly increase is entered in fluid cushion device from the first connected entrance in the blast pipe of knockout, the gas meeting of abruptly increase Air bag 20 is compressed, now, cushion chamber 30 is formed between air bag 20 and housing 10, the gas of above-mentioned abruptly increase is accommodated in the buffering In chamber 30, can so play a part of interim storage to the portion gas, so as to prevent the air impingement blast pipe of abruptly increase Inwall, and then prevent blast pipe from producing vibration, causing the energy loss of fluid, compressor efficiency is improve, enhance compressor Operational reliability.

It should be noted that in the present embodiment, fluid cushion device is arranged on the knockout of rolling rotor compressor On, and for the buffering of gas in the blast pipe to knockout.Certainly, the application scenarios not limited to this of fluid cushion device, In other embodiment, fluid cushion device can be arranged on other for the part of trandfer fluid, and in the part Fluid (fluids of gas, liquid or other forms) enters row buffering.

In the fluid cushion device of the present embodiment, the inside of air bag 20 filled with gas be inert gas.Due to inertia Gas is more stable, is not susceptible to chemical reaction, using inert gas as inside air bag 20 filled with gas, so can make Fluid cushion device is safer when using.It should be noted that when being inflated to air bag 20, the inside pressure of the air bag 20 Power can not be too high, that is to say, that when housing 10 (i.e. air bag 20 be full of) can be by when needing to ensure that air bag 20 is in free state Compression.Certainly, inside air bag 20 filled with the type of gas be not limited to inert gas, in other embodiments, above-mentioned gas Can be other kinds of gas.

As depicted in figs. 1 and 2, in the fluid cushion device of the present embodiment, housing 10 includes housing body and setting Choke in housing body.Above-mentioned housing body is cylindrical, and choke is arranged on one end of housing body, and necking Internal diameter of the internal diameter in portion less than housing body.First connected entrance is arranged on end of the above-mentioned choke away from housing body.Air bag 20 are located at end of the housing 10 away from choke with the junction of housing 10.Above-mentioned choke is easy to fluid cushion device to be assembled to In other structures.Above-mentioned air bag 20 is corresponding with the position of the first connected entrance with the position of the junction of housing 10, is so easy to The compression of air bag 20.Certainly, the position not limited to this of the junction of the set-up mode of the first connected entrance and air bag 20 and housing 10, In other embodiment not shown in figure, choke can be not provided with, air bag can also with the position of the junction of housing It is arranged in the circumferential side wall of housing.

As depicted in figs. 1 and 2, present invention also provides a kind of knockout, according to the embodiment bag of the knockout of the application Include knockout body 40, blast pipe and fluid cushion device.Wherein, one end of blast pipe is stretched in knockout body 40. The other end of blast pipe is located at the outside of knockout body 40.The part that blast pipe is located at outside knockout body 40 has exhaust outlet 51 and second connected entrance.Fluid cushion device is above-mentioned fluid cushion device.First connected entrance of fluid cushion device and Two connected entrances are connected.

In the present embodiment, knockout is arranged on rolling rotor compressor.The gas of above-mentioned rolling rotor compressor The pump housing for air-breathing is formed after the component assemblies such as cylinder, roller, bent axle, flange, the pump housing is by air intake duct and the row of knockout The exhaust outlet 51 of tracheae is connected.When rolling rotor compressor switching frequency, gettering rate larger, the air intake duct of fluctuation of the pump housing Air entry air-flow it is sometimes fast and sometimes slow.When the gettering rate of the pump housing is die-offed, the air entry of air intake duct and the exhaust outlet of knockout Air-flow at 51 drastically slows down, and gas flow of the blast pipe near the part of exhaust outlet 51 increases sharply.The gas of abruptly increase is from One connected entrance is entered in fluid cushion device and compresses in air bag 20, now, cushion chamber 30 is formed between air bag 20 and housing 10. The gas of above-mentioned abruptly increase is accommodated in the cushion chamber 30, so can play a part of interim storage to the portion gas, from And the inwall of the air impingement blast pipe of abruptly increase is prevented, and then prevent blast pipe from producing vibration, cause the energy loss of fluid, carry High compressor efficiency, enhances the operational reliability of compressor.

As depicted in figs. 1 and 2, in the knockout of the present embodiment, blast pipe includes the first pipeline section 52 and the second pipeline section 53. The first end of the first pipeline section 52 is stretched in knockout body 40, and the second end of the first pipeline section 52 is located at the outer of knockout body 40 Portion.The bending of second pipeline section 53 is arranged on the second end of the first pipeline section 52.Second pipeline section 53 is formed away from the mouth of pipe of the first pipeline section 52 Exhaust outlet 51.Second connected entrance is located at the junction of the first pipeline section 52 and the second pipeline section 53.For the ease of knockout and compressor Main body connects, and the bending of the second pipeline section 53 is arranged on the first pipeline section 52.When gas flow at exhaust outlet 51 is sharply increased, Fraction circulation is obstructed, and air-flow can flow to opposite direction, and flow to the junction of the pipeline section 53 of first pipe section 52 and second.Cause This, by the second connected entrance the junction of the first pipeline section 52 and the second pipeline section 53 is arranged on, and gas can be made to be more prone to from second Connected entrance enters fluid cushion device, mitigates the shock of air-flow and tube wall.

It should be noted that the position not limited to this of the second connected entrance, in the other embodiment not shown in figure, the Two connected entrances can be other near the position of exhaust outlet, and for example, the second connected entrance may be located on the second pipeline section.

As depicted in figs. 1 and 2, in the knockout of the present embodiment, the center line of the first connected entrance and the second connected entrance is equal Overlap with the center line of the first pipeline section 52.Said structure can make the gas flowed out from the first pipeline section 52 more easily enter fluid Buffer unit, mitigates the shock of air-flow and tube wall, so as to reduce the energy loss of air-flow.Certainly, the first connected entrance and second connects The set-up mode not limited to this of the center line of port, in the other embodiment not shown in figure, the first connected entrance and second The center line of connected entrance can be with the center line of the first pipeline section at an angle.

As depicted in figs. 1 and 2, in the knockout of the present embodiment, knockout also includes being arranged on the second connected entrance Extension tube 60.The first end of extension tube 60 is connected on the second connected entrance, and the second end of extension tube 60 stretches to the contracting of housing 10 In oral area, i.e. choke nested arrangements of extension tube 60 and housing 10, the first connected entrance passes through the connected entrance of extension tube 60 and second Connection.Said structure easily facilitates the assembling of fluid cushion device.In the present embodiment, the center line and first pipe of extension tube 60 The center line of section 52 overlaps, and can so make the gas flowed out from the first pipeline section 52 more easily enter fluid cushion device, subtracts The shock of light gas stream and tube wall, so as to reduce the energy loss of air-flow.Additionally, blast pipe is structure as a whole with extension tube 60, this Sample can increase the intensity of blast pipe and extension tube 60.

In the knockout of the present embodiment, cushion chamber 30 when the air bag 20 of fluid cushion device is compressed into limiting condition Gas flow change in unit interval when volume is maximum more than or equal to the gas velocity change at exhaust outlet 51 at exhaust outlet 51 Amount.Wherein, the limiting condition that air bag 20 is compressed refers to air bag 20 and is compressed into the state that can not be recompressed, concrete air bag 20 It is relevant with the factor such as the type of gas, material of air bag 20 in air bag 20 when this limiting condition can be reached.When exhaust outlet 51 When the gas velocity change at place is maximum, the gas flow abruptly increase at exhaust outlet 51, now, the gas flow of abruptly increase is exhaust outlet Gas flow variable quantity in unit interval at 51.In order to the gas of above-mentioned abruptly increase can be fully accommodated in cushion chamber 30, need The volume of cushion chamber 30 is set greater than the volume of the gas for being equal to above-mentioned abruptly increase when air bag 20 is compressed into limiting condition. Therefore, said structure ensure that the gas of abruptly increase is fully accommodated in cushion chamber 30, improve vibration proof effect.

In the knockout of the present embodiment, the inside gas of air bag 20 when the air bag 20 of fluid cushion device is in free state Body pressure is equal to the pressure when gas velocity at exhaust outlet 51 is stablized at exhaust outlet 51.When compressor switches to a frequency fortune During row, the gettering rate of the pump housing is relatively stable, and the gas velocity at exhaust outlet 51 is relatively stable.Air bag 20 is in into free state When air bag 20 the internal gas pressure pressure that is set at now exhaust outlet 51, can so make air bag 20 at exhaust outlet 51 Free state is in when gas velocity is stable, the deformation frequencies of air bag 20 are reduced, the service life of air bag 20 is improved.

As shown in figure 1, when pump housing gettering rate is stable, gas passes through the first pipeline section 52, the second pipeline section 53, exhaust outlet 51 Discharge, and gas does not enter fluid cushion device (airflow direction is as shown by arrows in FIG.).Now, air bag 20 is in and is not pressed The free state of contracting；

As shown in Fig. 2 when the gettering rate of the pump housing is die-offed, at the air entry of air intake duct and the exhaust outlet 51 of knockout Air-flow drastically slows down, and gas flow of the blast pipe near the part of exhaust outlet 51 increases sharply.The gas of abruptly increase is from the first connection Mouthful enter in fluid cushion device and air bag 20 is compressed into (airflow direction is as shown by arrows in FIG.), now, air bag 20 and housing Cushion chamber 30 is formed between 10.The gas of above-mentioned abruptly increase is accommodated in the cushion chamber 30, and so the portion gas can be risen To the effect of interim storage；

As shown in figure 3, when the gettering rate abruptly increase of the pump housing, at the air entry of air intake duct and the exhaust outlet 51 of knockout Air-flow is drastically accelerated, and gas flow of the blast pipe near the part of exhaust outlet 51 reduces rapidly.Now, air bag 20 expands, and will The gas extrusion fluid buffer unit being stored in cushion chamber 30, the portion gas pass through again the second pipeline section 53, the row of exhaust outlet 51 Go out (airflow direction is as shown by arrows in FIG.).

Above-mentioned knockout is prevented from the inwall of the air impingement blast pipe of abruptly increase, vibrate so as to prevent blast pipe from producing, The energy loss of fluid is caused, compressor efficiency is improve, the operational reliability of compressor is enhanced.

Present invention also provides a kind of compressor (not shown), includes dividing according to the embodiment of the compressor of the application Liquid device, knockout is above-mentioned knockout.

Present invention also provides a kind of heat transmission equipment (not shown), according to the embodiment bag of the heat transmission equipment of the application Compressor is included, compressor is above-mentioned compressor.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (11)

1. a kind of fluid cushion device, it is characterised in that include：

Housing (10), with the first connected entrance；

Air bag (20), is arranged in the housing (10), the inside of the air bag (20) filled with gas, when the air bag (20) quilt During compression, cushion chamber (30), first connected entrance and the buffering are formed between the air bag (20) and the housing (10) Chamber (30) connects.

2. fluid cushion device according to claim 1, it is characterised in that the gas is inert gas.

3. a kind of knockout, including：

Knockout body (40)；

Blast pipe, one end of the blast pipe is stretched in the knockout body (40), and the blast pipe is located at described point of liquid Device body (40) part outward has exhaust outlet (51) and the second connected entrance,

Characterized in that, the knockout also includes fluid cushion device, the fluid cushion device is the institute of claim 1 or 2 The fluid cushion device for showing, first connected entrance of the fluid cushion device is connected with second connected entrance.

4. knockout according to claim 3, it is characterised in that the blast pipe includes：

First pipeline section (52), the first end of first pipeline section (52) is stretched in the knockout body (40), and described first Second end of pipeline section (52) is located at the outside of the knockout body (40)；

Second pipeline section (53), bending is arranged on the second end of first pipeline section (52), and second pipeline section (53) is away from described The mouth of pipe of the first pipeline section (52) forms the exhaust outlet (51), and second connected entrance is located on second pipeline section (53) or position In the junction of first pipeline section (52) and second pipeline section (53).

5. knockout according to claim 4, it is characterised in that second connected entrance is located at first pipeline section (52) With the junction of second pipeline section (53), and the center line of first connected entrance and second connected entrance with it is described The center line of the first pipeline section (52) overlaps.

6. knockout according to claim 4, it is characterised in that the knockout also includes being arranged on second connection Extension tube (60) on mouth, first connected entrance is connected by the extension tube (60) with second connected entrance.

7. knockout according to claim 6, it is characterised in that the blast pipe is integrated knot with the extension tube (60) Structure.

8. knockout according to claim 3, it is characterised in that the air bag (20) of the fluid cushion device is pressed The volume for being reduced to the cushion chamber (30) during limiting condition is maximum more than or equal to the gas velocity change at the exhaust outlet (51) place Gas flow variable quantity in the unit interval at Shi Suoshu exhaust outlets (51) place.

9. knockout according to claim 3, it is characterised in that the air bag (20) of the fluid cushion device is in Described in when the internal gas pressure of the air bag (20) is stable equal to the gas velocity at the exhaust outlet (51) place during free state The pressure at exhaust outlet (51) place.

10. a kind of compressor, including knockout, it is characterised in that the knockout is any one of claim 3 to 9 Knockout.

A kind of 11. heat transmission equipments, including compressor, it is characterised in that the compressor is the compressor described in claim 10.