CN112727762A - Sliding vane type pressure matcher - Google Patents
Sliding vane type pressure matcher Download PDFInfo
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- CN112727762A CN112727762A CN202110031878.1A CN202110031878A CN112727762A CN 112727762 A CN112727762 A CN 112727762A CN 202110031878 A CN202110031878 A CN 202110031878A CN 112727762 A CN112727762 A CN 112727762A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3446—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface
- F04C18/3447—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface the vanes having the form of rollers, slippers or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to a sliding vane type pressure matcher and belongs to the technical field of pressure matchers. This sliding vane formula pressure matcher includes: the air cylinder is internally hollow, and a low-pressure air suction hole, a high-pressure air suction hole and an exhaust hole which are communicated with the inside of the air cylinder are formed in the air cylinder; the rotating part is used for generating suction, the rotating part is rotatably arranged in the cylinder, and a plurality of size-changeable air suction chambers are formed by the rotating part and the inner side wall of the cylinder and are sequentially communicated with the low-pressure air suction hole, the high-pressure air suction hole and the exhaust hole. The sliding-vane pressure matcher can continuously mix low-pressure steam and high-pressure steam into medium-pressure steam and send the medium-pressure steam to the next process, and has strong adaptability to variable working conditions.
Description
Technical Field
The invention belongs to the technical field of pressure matchers, and particularly relates to a sliding-vane pressure matcher.
Background
The pressure matcher is used for mixing two kinds of steam with different pressures and sending the mixed steam to the next process.
The common pressure matcher is a jet pressure matcher which generates high-speed jet flow through high-pressure steam, pressurizes low-pressure steam in a shock wave mode, and finally mixes the low-pressure steam into a strand of medium-pressure steam after mechanical energy exchange.
However, the greatest disadvantage of the injection type pressure matcher is that the variable working condition effect is poor, and the performance of the injection type pressure matcher is rapidly deteriorated under the condition that the high-pressure steam pressure, the low-pressure steam pressure and the mixed steam pressure are lower than the designed working condition, so that the condition that the low-pressure steam cannot be sucked occurs, and the use is influenced.
Disclosure of Invention
The invention provides a sliding-vane pressure matcher for solving the technical problems, wherein energy sources continuously mix low-pressure steam and high-pressure steam into medium-pressure steam and send the medium-pressure steam to the next process, the adaptability to variable working conditions is strong, and the situation that the low-pressure steam cannot be sucked cannot occur even if the pressure of the high-pressure steam, the pressure of the low-pressure steam and the pressure of the mixed steam are lower than the pressure of the designed working conditions.
The technical scheme for solving the technical problems is as follows: a sliding vane pressure matcher, comprising:
the air cylinder is internally hollow, and a low-pressure air suction hole, a high-pressure air suction hole and an exhaust hole which are communicated with the inside of the air cylinder are formed in the air cylinder;
the rotating part is used for generating suction, the rotating part rotates and sets up in the cylinder, through rotate the piece with the inside wall of cylinder constitutes a plurality of convertible size suction chamber, and is a plurality of convertible size suction chamber rotate in proper order with the low pressure suction hole high pressure suction hole with exhaust hole intercommunication, it is a plurality of the volume of convertible size suction chamber from with the low pressure suction hole communicate with high pressure suction hole intercommunication process crescent, it is a plurality of the volume of convertible size suction chamber from with high pressure suction hole communicate with exhaust hole intercommunication process crescent.
The invention has the beneficial effects that: (1) negative pressure is generated by the rotation of the rotating part in the cylinder to form air suction, and a plurality of air suction chambers with changeable sizes are formed by the rotating part and the inner side wall of the cylinder;
(2) the plurality of air suction chambers with changeable sizes are sequentially communicated with the low-pressure air suction hole, the high-pressure air suction hole and the exhaust hole, so that low-pressure air suction, high-pressure air suction and mixing are realized, and then the exhaust process is carried out. If the high-pressure steam pressure and the low-pressure steam pressure are lower than the designed working condition, the air suction and mixing process can still be ensured through the rotation of the rotating piece, and the condition that low-pressure gas cannot be sucked is avoided;
(3) the sliding-vane pressure matcher has strong adaptability to the change of working conditions and can effectively mix low-pressure gas and high-pressure gas.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the rotating member includes:
the rotor is eccentrically and rotatably arranged in the cylinder and is far away from the high-pressure air suction hole;
the air suction device comprises a plurality of sliding sheets, wherein one ends of the sliding sheets are connected with the rotor in a sliding mode and wound around the axis of the rotor in an annular mode, the sliding sheets are multiple in shape and follow the rotor to rotate in the air cylinder, the other ends of the sliding sheets are abutted to the inner side wall of the air cylinder, and the sliding sheets, the inner side wall of the air cylinder and the outer side wall of the rotor form a plurality of air suction chambers with changeable sizes.
The beneficial effect of adopting the further scheme is that: the plurality of sliding pieces rotate along with the rotor, and the plurality of size-changeable air suction chambers are favorably formed under the condition that the rotor is eccentrically arranged, so that the mixture of low-pressure air and high-pressure air is sucked.
Further, be equipped with on the lateral wall of rotor a plurality ofly with the sliding tray of gleitbretter adaptation, it is a plurality of the sliding tray winds the axis ring of rotor distributes, and is a plurality of the one end of gleitbretter slides and arranges in corresponding in the sliding tray, be equipped with the spring in the sliding tray, the one end of spring with the tank bottom of sliding tray is connected, the other end with the gleitbretter is connected.
The beneficial effect of adopting the further scheme is that: the air suction device is beneficial to forming a plurality of air suction chambers with changeable sizes, and the sliding sheet is driven to slide out of the sliding groove under the action of centrifugal force or spring force.
Furthermore, the cylinder is in a shape of a ring which is communicated from left to right, two ends of the cylinder are respectively and fixedly connected with a front end cover and a rear end cover which are used for sealing the cylinder, and the low-pressure air suction hole, the high-pressure air suction hole and the exhaust hole are arranged on the front end cover.
The beneficial effect of adopting the further scheme is that: the rotor and the slip sheet in the cylinder can be conveniently maintained and replaced through the front end cover and the rear end cover.
Further, be equipped with the pivot on the axis of rotor, the rear end cap is equipped with and is used for the pivot rotates the shaft hole that passes, the pivot warp the shaft hole rotates and wears out the cylinder.
The beneficial effect of adopting the further scheme is that: the rotation of the rotor is facilitated.
Further, the low-pressure air suction holes, the high-pressure air suction holes and the exhaust holes are annularly distributed around the axis of the cylinder.
The beneficial effect of adopting the further scheme is that: the air suction device is beneficial to a plurality of air suction chambers with changeable sizes to be sequentially communicated with the low-pressure air suction hole, the high-pressure air suction hole and the exhaust hole, and is beneficial to absorbing low-pressure and high-pressure gases for mixing.
Furthermore, a low-pressure air suction groove communicated with the low-pressure air suction hole is formed in one surface, facing the air cylinder, of the front end cover, and the low-pressure air suction groove is arc-shaped and is annularly distributed around the axis of the air cylinder; the low-pressure air suction hole is positioned in the middle of the low-pressure air suction groove.
The beneficial effect of adopting the further scheme is that: can assist and inhale for gas can inhale the groove and not inhale the inner chamber intercommunication with the low pressure suction hole intercommunication through the low pressure, to inhaling the inner chamber and supplying low pressure gas, thereby it is stronger to operating mode change adaptability.
Furthermore, a high-pressure air suction groove communicated with the high-pressure air suction hole is formed in one surface, facing the air cylinder, of the front end cover.
The beneficial effect of adopting the further scheme is that: the high-pressure gas is favorably flushed into the cylinder.
Furthermore, an exhaust groove communicated with the exhaust hole is formed in one surface, facing the cylinder, of the front end cover, and the exhaust groove is arc-shaped and is annularly distributed around the axis of the cylinder; the exhaust hole is located at one end, close to the low-pressure air suction groove, of the exhaust groove, the length of the exhaust groove is larger than that of the low-pressure air suction groove, and the length of the low-pressure air suction groove is larger than that of the high-pressure air suction groove.
The beneficial effect of adopting the further scheme is that: the mixed gas is discharged conveniently.
Furthermore, the number of the sliding pieces is 6-8, and the number of the sliding grooves is 6-8.
The beneficial effect of adopting the further scheme is that: the suction effect on low-pressure gas and high-pressure gas is good, and the effect of mixed gas is better.
Drawings
FIG. 1 is an exploded view of the sliding vane pressure matcher of the present invention;
FIG. 2 is a schematic structural view of a front end cap according to the present invention;
FIG. 3 is a schematic view of a first stage of low pressure suction during use of the present invention;
FIG. 4 is a schematic view of a second stage of low pressure suction during use of the present invention;
FIG. 5 is a schematic view of the end of the low pressure suction in use according to the present invention;
FIG. 6 is a schematic view of the high pressure suction used in the present invention;
FIG. 7 is a schematic view of the end of the high pressure suction in use according to the present invention;
fig. 8 is a schematic view of the exhaust process in the use state of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a rear end cap; 11. a shaft hole; 12. a rear end cover bolt hole;
2. a cylinder; 21. a cylinder bolt hole;
3. sliding blades;
4. a rotor;
5. a front end cover; 51. an exhaust hole; 52. a front end cover bolt hole; 53. a low pressure suction hole; 54. a low pressure suction groove; 55. a high pressure suction hole; 56. a high pressure suction groove; 57. a shaft groove; 58. an exhaust groove.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
As shown in fig. 1 to 8, the present embodiment provides a sliding-vane 3-type pressure matching device, which includes: a hollow cylinder 2 and a rotor.
The cylinder 2 is provided with a low pressure suction hole 53, a high pressure suction hole 55 and an exhaust hole 51 which communicate with the inside of the cylinder 2. Rotate the piece and be used for producing suction, rotate the piece and rotate and set up in cylinder 2, constitute a plurality of convertible size suction chamber through the inside wall that rotates piece and cylinder 2, a plurality of convertible size suction chamber rotate in proper order with low pressure suction opening 53, high pressure suction opening 55 and exhaust hole 51 intercommunication, it is a plurality of convertible size suction chamber's volume from with low pressure suction opening 53 communicate with high pressure suction opening 55 intercommunication process crescent, it is a plurality of convertible size suction chamber's volume from with high pressure suction opening 55 communicate with exhaust hole 51 intercommunication process crescent.
The cylinder 2 is used for mixing the charged gas and discharging the mixed gas from the exhaust hole 51. Wherein the low pressure suction hole 53 is communicated with external low pressure gas, and the high pressure suction hole 55 is communicated with external high pressure gas. The exhaust hole 51 is used to exhaust gas in the cylinder 2. Wherein the rotation member is adapted to rotate in the cylinder 2, and a negative pressure is generated by the rotation member to generate a suction force, so that gas is sucked into the cylinder 2 through the low pressure suction hole 53 and the high pressure suction hole 55. Can inhale the chamber through low pressure suction hole 53 earlier through a plurality of convertible sizes, inhale low-pressure gas earlier, then through high-pressure suction hole 55, inhale high-pressure gas, convertible size suction chamber grow this moment, high-pressure gas and low-pressure gas mix in convertible size suction chamber, form the operating mode gas that needs, then through exhaust hole 51, discharge from exhaust hole 51, the convertible size suction chamber diminishes after the discharge, again through low pressure suction hole 53, circulate, realize constantly inhaling low pressure and high-pressure gas and mix, follow the process of exhaust hole 51 after mixing.
The technical scheme of this embodiment's beneficial effect is, through rotating in cylinder 2 internal rotation, produce the negative pressure, form and inhale, form a plurality of convertible size suction chamber through rotating and the 2 inside wall of cylinder. The plurality of air suction chambers with changeable sizes are sequentially communicated with the low-pressure air suction hole 53, the high-pressure air suction hole 55 and the air exhaust hole 51, so that low-pressure air suction, high-pressure air suction and mixing are realized, and then the air exhaust process is carried out. If the high-pressure steam pressure and the low-pressure steam pressure are lower than the designed working condition, the suction and mixing process can still be ensured through the rotation of the rotating piece, and the condition that low-pressure gas cannot be sucked is avoided. The sliding-vane 3-type pressure matcher has strong adaptability to working condition change force and can effectively mix low-pressure gas and high-pressure gas.
Preferably, in this embodiment, the rotation member includes: a rotor 4 and a plurality of vanes 3.
The rotor 4 is eccentrically and rotatably arranged in the cylinder 2, and the rotor 4 is far away from the high-pressure air suction hole 55. One end and the rotor 4 sliding connection of a plurality of gleitbretters 3, and the axis ring of going around rotor 4 distributes, and a plurality of gleitbretters 3 follow rotor 4 at 2 internal rotations of cylinder, the other end of a plurality of gleitbretters 3 and the inside wall butt of cylinder 2, and a plurality of gleitbretters 3 constitute a plurality of convertible size air suction chambers with the inside wall of cylinder 2 and the lateral wall of rotor 4.
Wherein, rotor 4 is not located the axis department of cylinder 2, rotor 4 normally rotates in cylinder 2, a plurality of gleitbretters 3 and rotor 4 sliding connection, because rotor 4 is in the off-centre position, when rotor 4 rotates, a plurality of gleitbretters 3 follow the rotation, under the effect of centrifugal force, a plurality of gleitbretters 3 rotate and keep away from rotor 4, contact with the inside wall of cylinder 2, the inner chamber of breathing in is constituted through gleitbretter 3 and rotor 4's lateral wall and cylinder 2's inside wall, two adjacent gleitbretters 3 constitute an inner chamber of breathing in, because gleitbretter 3's one end and rotor 4 sliding connection, when making gleitbretter 3's the other end and cylinder 2's inside wall contact, the length of 3 roll-off rotor 4 of gleitbretter has. The eccentric position of the rotor 4 is close to the low-pressure suction hole 53 and the exhaust hole 51, so that a small suction chamber of the suction chambers with changeable sizes is communicated with the low-pressure suction hole 53 and the exhaust hole 51, and a large suction chamber is communicated with the high-pressure suction hole 55.
Follow rotor 4 through a plurality of gleitbretters 3 and rotate, under the circumstances of rotor 4 eccentric settings, do benefit to and constitute a plurality of convertible size suction chamber to the realization is absorbed low pressure and high-pressure gas and is mixed, then exhaust process.
Preferably, in this embodiment, a plurality of sliding grooves adapted to the sliding vane 3 are disposed on an outer side wall of the rotor 4, the plurality of sliding grooves are annularly distributed around an axis of the rotor 4, and one end of each of the plurality of sliding vanes 3 is slidably disposed in the corresponding sliding groove. The sliding grooves are distributed radially along the axis of the rotor 4, and one ends of the sliding sheets 3 slide radially along the sliding grooves. Thereby facilitating the formation of a plurality of suction chambers of variable size. Preferably, a spring is arranged in the sliding groove, one end of the spring is connected with the groove bottom of the sliding groove, and the other end of the spring is connected with the sliding sheet 3. The sliding sheet is driven to slide out of the sliding groove under the action of centrifugal force or spring force.
Preferably, in this embodiment, the cylinder 2 is in a ring shape penetrating from left to right, two ends of the cylinder 2 are respectively and fixedly connected with a front end cover 5 and a rear end cover 1 for closing the cylinder 2, and the low-pressure suction hole 53, the high-pressure suction hole 55 and the exhaust hole 51 are arranged on the front end cover 5. The cylinder 2 is closed by a front end cover 5 and a rear end cover 1. Wherein the front end housing 5 and the rear end cap 1 can be dismantled with the both ends of cylinder 2 and be connected, wherein be provided with cylinder bolt hole 21 on the both ends of cylinder 2, be equipped with front end housing bolt hole 52 on the front end housing 5, be equipped with rear end housing bolt hole 12 on the rear end cap 1, the front end housing 5 can be dismantled with the one end of cylinder 2 through cooperating bolt and front end housing bolt hole 52 and cylinder bolt hole 21 and be connected. The rear end cover 1 is detachably connected with the other end of the air cylinder 2 by matching bolts with the rear end cover bolt holes 12 and the air cylinder bolt holes 21. Rotor 4 and gleitbretter 3 in can conveniently maintaining the change through front end housing 5 and rear end cap 1 in the cylinder 2.
Preferably, in this embodiment, a rotating shaft is arranged on the axis of the rotor 4, the rear end cover 1 is provided with a shaft hole 11 for the rotating shaft to pass through, and the rotating shaft passes through the cylinder 2 through the shaft hole 11. Wherein, both ends of the rotor 4 are provided with rotating shafts. The rotating shaft at one end penetrates through the air cylinder 2 to be in transmission connection with external driving equipment, and the rotor 4 is driven to rotate through the external driving equipment. Wherein, the rotating shaft is provided with a sealing part which is matched with the shaft hole 11, thus ensuring the air tightness. Wherein, the front end cover 5 is provided with a shaft groove 57 adapted to the rotating shaft at the other end, and the rotating shaft at the other end is rotatably arranged in the shaft groove 57.
Preferably, in the present embodiment, the low pressure suction holes 53, the high pressure suction holes 55, and the discharge holes 51 are annularly distributed around the axis of the cylinder 2. Therefore, when the rotor 4 rotates, a plurality of formed suction cavities with changeable sizes are sequentially communicated with the low-pressure suction hole 53, the high-pressure suction hole 55 and the exhaust hole 51, and low-pressure and high-pressure gas can be absorbed and mixed conveniently.
Preferably, in the present embodiment, a low-pressure suction groove 54 communicated with the low-pressure suction hole 53 is formed on a surface of the front end cover 5 facing the cylinder 2, and the low-pressure suction groove 54 is arc-shaped and annularly distributed around an axis of the cylinder 2; the low pressure suction hole 53 is located at the center of the low pressure suction groove 54. The low-pressure air suction groove 54 is communicated with the low-pressure air suction hole 53, so that auxiliary air suction can be performed, air can be communicated with an air suction inner cavity which is not communicated with the low-pressure air suction hole 53 through the low-pressure air suction groove 54, low-pressure air is supplemented to the air suction inner cavity, and the adaptability to working condition change is stronger.
Preferably, in the present embodiment, a high-pressure intake groove 56 communicating with the high-pressure intake hole 55 is provided on a surface of the head cover 5 facing the cylinder 2. The size of the high-pressure air suction groove 56 is smaller than that of the low-pressure air suction groove 54, the high-pressure air is high in pressure and can be rapidly filled into the air suction inner cavity, and therefore the high-pressure air suction groove 56 only needs to be small in size.
Preferably, in the present embodiment, an exhaust groove 58 communicated with the exhaust hole 51 is provided on a surface of the front end cover 5 facing the cylinder 2, and the exhaust groove 58 is arc-shaped and annularly distributed around an axis of the cylinder 2; the discharge hole 51 is located at an end of the discharge groove 58 adjacent to the low pressure suction groove 54. The exhaust groove 58 is used for exhausting, and can conveniently exhaust the mixed gas in the air suction chamber. The exhaust hole 51 is positioned at one end of the exhaust groove 58 close to the low-pressure air suction groove 54, so that the air in the air suction chamber can be fully mixed and then exhausted from the exhaust hole 51, and after being exhausted, the air is immediately communicated with the low-pressure air suction groove 54 to suck the low-pressure air. Because the exhaust groove 58 can be used for pre-exhausting, the mixed gas can be slowly exhausted firstly, and the air pressure of the mixed gas can be adjusted.
Preferably, in this embodiment, the length of the discharge groove 58 is greater than the length of the low pressure suction groove 54, and the length of the low pressure suction groove 54 is greater than the length of the high pressure suction groove 56, wherein the length of the discharge groove 58 is the longest. The length of the high pressure suction groove 56 is the shortest.
Preferably, in the embodiment, the number of the sliding pieces 3 is 6-8, and the number of the sliding grooves is 6-8. The suction effect on low-pressure gas and high-pressure gas is good, and the effect of mixed gas is better.
This embodiment during operation drives gleitbretter 3 through rotor 4 and rotates, and front end housing 5 is static, and rotor 4 is at 2 rotations of cylinder, and the inboard wall of rotation in-process front end housing 5, rear end housing 1, rotor 4, gleitbretter 3, cylinder 2 forms confined cavity. The cavity is communicated with a low-pressure air suction groove 54, a high-pressure air suction groove 56 and an exhaust groove 58 in sequence, so that low-pressure air suction, high-pressure air suction and mixing and exhaust processes are realized.
As shown in fig. 3-8, a quasi-cavity is enclosed by the front end cover 5, the rear end cover 1, the inner side wall of the cylinder 2, the rotor 4 and a sliding vane 3, the sliding vane 3 firstly sucks air through the low-pressure air suction groove 54 and the low-pressure air suction hole 53, the sliding vane 3 rotates along with the rotor 4 in the air suction process, the sliding vane 3 slides out of the sliding groove and continuously keeps away from the tangent point of the inner cavity of the cylinder 2 and the rotor 4, the quasi-cavity is continuously enlarged in volume, after the first stage of low-pressure air suction is reached, the sliding vane 3 and the adjacent sliding vane 3, the front end cover 5, the rear end cover 1, the cylinder 2 and the rotor 4 which rotate in the opposite direction form a complete cavity. The chamber, which is increased in volume as the rotor 4 rotates, further passes through the low pressure suction groove 54 and is sucked by the low pressure suction hole 53. After the chamber is separated from the low pressure suction groove 54, the chamber is immediately connected to the high pressure suction groove 56, and high pressure suction is started, and high pressure gas flows through the high pressure suction hole 55 and the high pressure suction groove 56 and is injected into the chamber. After the chamber is separated from the high pressure suction slot 56, the high pressure gas and the low pressure gas are mixed simultaneously to obtain the medium pressure gas. At this time, the chamber is immediately communicated with the exhaust groove 58, and the medium-pressure gas in the chamber is exhausted out of the cylinder 2 through the exhaust groove 58 and the exhaust port. The next cycle is followed.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
It is to be noted that "comprising" in the present invention means that it may include other components in addition to the components described, and the "comprising" may be replaced with "being" or "consisting of … …" in a closed manner.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A sliding vane pressure matcher, comprising:
the air cylinder (2) is hollow, and a low-pressure air suction hole (53), a high-pressure air suction hole (55) and an exhaust hole (51) which are communicated with the interior of the air cylinder (2) are formed in the air cylinder (2);
a rotate the piece for producing suction, it sets up to rotate the piece in cylinder (2), through rotate the piece with the inside wall of cylinder (2) constitutes a plurality of convertible size suction chamber, and is a plurality of convertible size suction chamber rotate in proper order with low pressure suction hole (53) high pressure suction hole (55) with exhaust hole (51) intercommunication, it is a plurality of convertible size suction chamber's volume from with low pressure suction hole (53) communicate with high pressure suction hole (55) intercommunication process crescent, it is a plurality of convertible size suction chamber's volume from with high pressure suction hole (55) communicate with exhaust hole (51) intercommunication process crescent.
2. The sliding pressure matcher of claim 1, wherein the rotating member comprises:
the rotor (4), the said rotor (4) is eccentrically rotated and set up in the said cylinder (2), the said rotor (4) is far away from the said high-pressure suction hole (55);
a plurality of gleitbretters (3), it is a plurality of the one end of gleitbretter (3) with rotor (4) sliding connection, the duplex winding the axis ring of rotor (4) distributes, and is a plurality of gleitbretter (3) are followed rotor (4) are in cylinder (2) internal rotation, it is a plurality of the other end of gleitbretter (3) with the inside wall butt of cylinder (2), it is a plurality of gleitbretter (3) with the inside wall of cylinder (2) with the lateral wall of rotor (4) constitutes a plurality of the convertible chamber of inhaling of size.
3. The sliding vane pressure matcher as claimed in claim 2, wherein a plurality of sliding grooves adapted to the sliding vane (3) are formed on an outer side wall of the rotor (4), the plurality of sliding grooves are annularly distributed around an axis of the rotor (4), one end of the sliding vane (3) is slidably disposed in the corresponding sliding groove, a spring is disposed in the sliding groove, one end of the spring is connected with a groove bottom of the sliding groove, and the other end of the spring is connected with the sliding vane (3).
4. The sliding vane pressure matcher as claimed in claim 3, wherein the cylinder (2) is in a ring shape with a left-right through hole, two ends of the cylinder (2) are respectively and fixedly connected with a front end cover (5) and a rear end cover (1) for sealing the cylinder (2), and the low-pressure suction hole (53), the high-pressure suction hole (55) and the exhaust hole (51) are arranged on the front end cover (5).
5. The sliding vane pressure matcher as claimed in claim 4, wherein a rotating shaft is arranged on an axis of the rotor (4), the rear end cover (1) is provided with a shaft hole (11) for the rotating shaft to pass through, and the rotating shaft passes through the cylinder (2) through the shaft hole (11) in a rotating manner.
6. Sliding pressure matcher according to claim 4, wherein the low pressure suction holes (53), the high pressure suction holes (55) and the exhaust holes (51) are distributed annularly around the axis of the cylinder (2).
7. The sliding vane pressure matcher according to claim 4, wherein a low pressure suction groove (54) communicating with the low pressure suction hole (53) is provided on a face of the front end cover (5) facing the cylinder (2), the low pressure suction groove (54) is arc-shaped and annularly distributed around an axis of the cylinder (2); the low-pressure air suction hole (53) is positioned in the middle of the low-pressure air suction groove (54).
8. The sliding vane pressure matcher according to claim 7, wherein a high pressure suction groove (56) communicating with the high pressure suction hole (55) is provided on a face of the front end cover (5) facing the cylinder (2).
9. The sliding vane pressure matcher as claimed in claim 8, wherein a gas discharge groove (58) communicated with the gas discharge hole (51) is formed on a surface of the front end cover (5) facing the cylinder (2), and the gas discharge groove (58) is arc-shaped and annularly distributed around an axis of the cylinder (2); the exhaust hole (51) is positioned at one end of the exhaust groove (58) close to the low-pressure suction groove (54), the length of the exhaust groove (58) is greater than that of the low-pressure suction groove (54), and the length of the low-pressure suction groove (54) is greater than that of the high-pressure suction groove (56).
10. Sliding vane pressure matcher according to any of claims 3-9, wherein the number of sliding vanes (3) is 6-8 and the number of sliding grooves is 6-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110031878.1A CN112727762B (en) | 2021-01-11 | 2021-01-11 | Sliding vane type pressure matcher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110031878.1A CN112727762B (en) | 2021-01-11 | 2021-01-11 | Sliding vane type pressure matcher |
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| CN112727762B CN112727762B (en) | 2023-03-31 |
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|---|---|
| CN112727762B (en) | 2023-03-31 |
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