CN208502849U - Plane rotation formula expanding machine - Google Patents

Abstract

The utility model discloses a kind of plane rotation formula expanding machines, it includes main shaft, rotor, cylinder body, eccentric mounting, rack, slide plate, cylinder end piece and rack end cap, main shaft one end is fixedly connected with the rotor, the other end is supported in stander end and covers, one end end of rotor is provided with the steam passage being connected and radial admission mouth, the axial plane of the other end is equipped with skateboard slot, and slide plate trench bottom is equipped with deflector hole；Eccentric mounting and cylinder end piece are fastened respectively to cylinder body both ends and constitute cylinder, the slide plate reciprocatingly moves in the skateboard slot of rotor and plane rocking, and drive cylinder synchronous rotary, the radial rotary steam drain of rotation is provided on cylinder body, and cylinder body, rotor, cylinder end piece, eccentric mounting and slide plate constitute the crescent element volume of working chamber.The utility model has accomplished the cascade utilization of exhaust gas liquid, can be widely used for the various fields such as various gas compressors, fluid delivery pump and refrigeration air conditioner compressor.

Description

Plane rotation formula expanding machine

Technical field

The utility model belongs to compressor field, and in particular to it is a kind of can be applied to industrial enterprise generation it is a large amount of in, it is low The recycling of grade heat sources has not only prevented environmental pollution, but also has recycled the plane rotation formula of a large amount of available resources Expanding machine.

Background technique

Expanding machine is a kind of novel thermodynamic device for recycling high, medium and low grade energy power generation, its a large amount of use is in new energy Waste heat, Waste Heat Recovery in source and the industry such as steel and iron industry, power industry, petrochemical industry, pharmacy and food industry, building materials papermaking Field.Machinery used in expanding machine field includes screw type expansion machine and steam turbine etc. at present.Not only structure is multiple for steam turbine Miscellaneous, maintenance requirement is high and needs profession maintenance troop and equipment, simultaneously because revolving speed is high and to there is the safety such as the big, driving of vibration hidden Suffer from, it is often more important that steam turbine is high to working media quality requirements, it is only only applicable to the steam of overheat, for saturated vapor Its application is then restricted with moist steam.Though screw expander structure is relatively simple, and not to the grade requirement of working media Height, it is the current new power machine using compared with multipotency recycling superheated steam, saturated vapor, steam-water twin phases and hot water hydrothermal solution, but Since the inlet and outlet position of screw expander is fixed and invariable, so being that the energy is difficult to cascade utilization, equally will cause The waste of waste heat and the pollution of environment；Since the volume of screw expander is fixed value, have one to the content of the water of air water two-phase Determining proportion requirement；In addition, since the working principle of screw expander is formed by by between a pair of of rotor and cylinder body Gap seals vapour-liquid, screw rotor in static cylinder body high speed rotary motion so that between rotor and cylinder block there is Biggish relative velocity causes biggish fretting wear, it is often more important that machining accuracy high technology is complicated, and axial force is difficult to Balance, leads to biggish fretting wear, if there is small grits in exhaust gas, it is easy to the molded line of screw rotor is pulled, So that leakage increases and efficiency decline, though rubber is used on a rotor in order to avoid pulling the molded line of rotor, but by High temperature in waste heat makes the continuous aging of rubber, influences performance and used life, and in addition the processing technology of screw rotor is complicated, It is at high cost also to affect it and be widely used.

Utility model content

The purpose of the utility model is to provide a kind of plane rotation formula expanding machines that can be carried out exhaust heat stepped recycling, it both may be used For industrial afterheat recovery hot water hydrothermal solution, steam, flue gas power generation, it can be used for the energy such as underground heat, solar level biomass thermal energy Source power field；The plane rotation formula expanding machine due to use rotation into steam drain, so allowing heat source pressure, flow big The fluctuation of range；The characteristics of machine is removable, can concentrate, and can be dispersed, is well suited for industrial exhaust heat and gas-to electricity.

The technical scheme adopted by the utility model is that: a kind of plane rotation formula expanding machine comprising main shaft, rotor, cylinder body, Eccentric mounting, rack, slide plate, cylinder end piece and rack end cap, described main shaft one end is protruded into rack and is fixedly connected with the rotor, another End is supported in stander end by base bearing and covers, and main shaft is around rotor center fixed-axis rotation；One end end of the rotor is arranged There are the steam passage being connected and radial admission mouth, the axial plane of the other end is equipped with skateboard slot, and slide plate trench bottom is equipped with deflector hole；It is described Eccentric mounting and cylinder end piece are fastened respectively to cylinder body both ends and constitute cylinder, and the cylinder is by the cylinder axis on eccentric mounting and rack Support is held, and around cylinder centerline System of Rotating about Fixed Axis；The slide plate reciprocatingly moves in the skateboard slot of rotor and plane rocking, and Cylinder synchronous rotary is driven, the radial rotary steam drain of rotation, and cylinder body, rotor, cylinder end are provided on the cylinder body Lid, eccentric mounting and slide plate constitute the crescent element volume of working chamber, slide plate crescent element volume is divided into vapour chamber V and Expansion chamber V；The frame in radial is provided with exhaust passage, and admission end lid is circumferentially provided with into vapour channel, and logical into vapour channel Cross eccentric mounting, the steam passage of rotor tip communicates with the radial admission mouth being provided on rotor, constitute plane rotation formula expanding machine Into vapour access.

Further, the rotor is equipped with keyway, and main shaft is fixed on rotor by keyway.

Further, high pressure, high temperature exhaust gas inlet chamber V is entered by the radial admission mouth of rotor, it is expanded after by diameter To rotation steam drain discharge.

Further, the rotor is located in cylinder body, and the rotation center of rotation center and cylinder body has a bias, eccentric For the radius of cylinder body and the difference of rotor radius.

Further, the radial admission mouth on the rotor is provided with the rear of the direction of rotation of slide plate, and radial rotary Steam drain is provided with the front on cylinder body and being located at the direction of rotation of slide plate.

Further, be provided with sealing ring between the admission end lid and the gap of eccentric mounting relative motion, prevent high pressure, High-temp waste gas liquid is leaked to exhaust passage.

Further, the eccentric mounting and cylinder end piece are fastened by bolts in cylinder body both ends to constitute cylinder.

Further, the slide plate head shape is cylindrical, and the main body of slide plate is plate-like, and slide plate head is embedded into cylinder Internal side, slide plate main body extend in the skateboard slot of rotor.

The principles of the present invention and function and effect are as follows:

The rotary expanding machine of a kind of novel planar disclosed by the utility model, the rotor of the expanding machine is respectively by two bearings Support, and rotated around the rotation center of oneself.And cylinder and rotor have a bias, and are supported respectively by two bearing cylinders. Slide plate one end is hinged on the inside of cylinder body, and the other end is inserted into the sliding slot of rotor.High pressure, high temperature waste heat pass through admission end lid And the admission opening into vapour channel and slide plate of eccentric mounting enters working chamber, drives rotor to make dead axle under the action of pressure difference and turns It is dynamic, while the rotation that rotor drives slide plate driving cylinder synchronous with rotor work again, cylinder are also the rotation center rotation around oneself. The fixed-axis rotation of rotor drives main axis, to provide the power of generator.Slide plate not only acts as driving cylinder and makees revolution fortune It is dynamic, and rotor and cylinder body bias are formed by crescent working chamber and are divided into inlet chamber (air inlet element volume) and expansion chamber (exhaust element volume), with the rotation of rotor, expansion chamber and inlet chamber alternately and repeatedly are converted, and are completed a job and are followed The suction vapour of ring and expansion and steam discharge process.

This plane rotation formula expanding machine includes body, cylinder, cylinder end piece, rotor, main shaft, slide plate, air inlet, exhaust Mouth, eccentric mounting, base bearing, bearing cylinder are provided with wherein being provided with radial steam drain on the body in air inlet end cap Axial inlet channel, waste heat vapour-liquid is by its axial inlet channel, by the air intake on rotor after the rotation of slide plate Side enters air inlet element volume V1, and due to being filled with the exhaust gas of high pressure, high temperature in element volume V1, expansion chamber V2 passes through steam drain Towards ambient pressure, under the action of pressure difference, driving rotor rotates counterclockwise and main shaft is driven to make equidirectional rotation, and slides Plate also makees equidirectional rotation with rotor under the driving of rotor and cylinder is driven to rotate synchronously, the moon formed by cylinder and rotor Thread form expansion chamber V2 is smaller and smaller, and finally all exhaust gas is all discharged through the steam drain on cylinder body, pressure energy and thermal energy conversion Kinetic energy and direct drive generator or driving load economize on electricity for main shaft.

It is rotated into steam drain with rotor and rotational cylinder due to being one into vapour, steam drain, so air inlet element volume It keeps communicating with high pressure-temperature exhaust gas in arbitrary angle, and expansion chamber is communicated with atmosphere under any angle, so only Any waste vapour for being higher than atmospheric pressure can drive rotor to rotate, and the power of plane rotation formula expansion machinery then passes through main shaft Output drives generator or driving load economize on electricity, accomplishes the cascade utilization of the energy.

Cylinder in this plane rotation formula expanding machine is made of cylinder block, eccentric mounting and cylinder end piece, eccentric mounting and cylinder End cap is tightened together by fixing bolt with cylinder body, and cylinder supports turn in housing bearing seat, and around the rotation center of oneself Dynamic, main shaft passes through a pair of of base bearing support on the rack, and main shaft is rotated around the rotation center of oneself, and rotor is fixed by positioning key On main shaft, rotation center is concentric with main shaft, and there are one with the rotor center of rotation axis for cylinder center of rotation axis A bias, eccentric distance is the difference of the inner circle radius of cylinder and the exradius of rotor, so that the outer circumference surface and gas of rotor Cylinder body inner peripheral surface is tangent, and point of contact is always at point M, to form the work element volume of a crescent, eccentric big rootlet It is controlled according to the size of waste vapour amount by eccentric mounting, described slide plate one end is embedded into cylinder body cylindrical body, and slide plate main body extends to In the sliding slot of rotor, and the crescent element volume that rotor outer circle and cylinder block inner circle are constituted is divided into inlet chamber and expansion chamber, The end of the rotor is radially provided with into vapour channel, into vapour channel both be provided with that admission end covers into vapour channel and bias Communicating into vapour channel for seat, and communicates with the radial admission mouth being provided on rotor, constitute plane rotation formula expanding machine into vapour Access.

When the corner of main shaft is β=0, the inlet chamber of crescent is equal with expansion chamber, but due to being full of into V1 in vapour chamber The waste vapour liquid of high pressure, high temperature, and V2 is then the atmospheric pressure of low pressure in expansion chamber, drives rotor inverse under the action of pressure difference Hour hands rotation, rotor also drives the main shaft being fixed on rotor to make the equidirectional rotation of dead axle, while rotor is also driven by slide plate Cylinder rotates synchronously, and as β > 0, air inlet element volume V1 is increasing, and the expansion chamber V1 communicated with atmosphere can gradually subtract Small, when β=180 °, inlet chamber reaches maximum, and expansion chamber is then reduced to zero, when the radial admission hole on rotor reaches and gets over After crossing point of contact M, the first expansion cycles terminate, and are at this moment zero into vapour chamber, and original inlet chamber is then changed into expansion chamber, as β > After 180 ° are crossed point of contact M with the admission opening on rotor, then start second working cycles, inlet chamber can be gradually increased, and be expanded Chamber can be then gradually reduced.

The crescent swept volume of this plane rotation formula expanding machine is both into vapour chamber and expansion chamber, and into vapour chamber and swollen Swollen chamber continuously alternately works and changes again, has both reduced the components of machine in this way, compact-sized, increases reliability, together When reduce energy loss caused by gas again.

The air intake and steam drain of this plane rotation formula expanding machine are not a fixed position, they are respectively with rotor It is rotated with cylinder, so any waste vapour liquid higher than atmospheric pressure can drive rotor to rotate, plane rotation formula expansion machinery Power then by main shaft export, drive generator or driving load economize on electricity, accomplish the cascade utilization of the energy.

The rotor and cylinder body of this plane rotation formula expanding machine are made of two cylinders, speed of related movement pole between the two Small, fretting wear substantially reduces, high-efficient, since the processing technology on cylindrical surface is simple, so the sealing problem of working media is easy In solution, volumetric efficiency is high.Morphology additionally, due to main parts size is cylinder, therefore machining accuracy is easy to protect Card, convenient for being produced, being also easy to assemble and being overhauled using efficient machining tool and tissue assembly line, especially there is no inclined The crankshaft of heart movement reduces cost to be greatly improved yield.

All rotary bodies of this plane rotation formula expanding machine are being rotated rotating around respective rotation center, therefore are not had respectively There is out-of-balance force, revolving speed is high, and it is small in size, therefore machine run is very steady, it is with small vibration low with noise.And very due to slide plate quality Small, the distance moved back and forth is very short, therefore the also very little of the reciprocal inertia force on only slide plate, can be ignored completely.

This plane rotation formula expanding machine inlet chamber and expansion chamber are the two sides for being located at slide plate, any from industry and new energy As long as exhaust gas liquid pressure be greater than atmospheric pressure, can accomplish completely the ladder of exhaust gas liquid with driving spindle output power Grade utilizes.

This plane rotation formula expanding machine is to use aixal admission, and radial direction is discharged, the flow direction of working medium and rotor pair The centrifugal force direction of working medium is identical, and working medium discharge is more smooth, and resistance is small, high-efficient.

This plane rotation formula expanding machine holds due to being provided with the air intake of synchronous rotary formula and the steam discharge liquid mouth of rotation, primitive Working medium in product is any instantaneously can be discharged, and requirement of other expanding machines to gas-liquid ratio is avoided, without fixed expansion ratio, Also the technical problem of other expanding machine liquid hammers is solved.The utility model can be used as a tractor serves several purposes, both can be used as expanding machine, The delivery pump as various fluids can also be inverted.

This plane rotation formula expansion machinery rotor and cylinder are to rotate synchronously, and the particle in exhaust gas liquid will not abrade in cylinder Surface and rotor outer surface and form leakage path, so the expanding machine has no requirement to the cleannes in exhaust gas liquid, fit Answer range wide.

Detailed description of the invention

Fig. 1 is the utility model plane rotation formula expanding machine main view.

Fig. 2 be angle of eccentricity be β=0:360 ° when cylinder cross-sectional schematic cross-section.

Fig. 3 is the cross-sectional view of rotor.

In figure: 1- main shaft, 2- rotor, 3- cylinder body, 4- eccentric mounting, 5- base bearing, 6- bearing cylinder, 7- rack, 8- slide plate, 9- is into vapour channel, 10- exhaust passage, 11- cylinder end piece, 12- sealing ring, 13- rack end cap, 14- admission end lid, 15- slide plate Slot, 16- deflector hole, 17- radial admission mouth, 18- keyway, 19- radial rotary steam drain.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

As shown in Fig. 1~2, the utility model plane rotation formula expanding machine include main shaft 1, rotor 2, cylinder body 3, eccentric mounting 4, Base bearing 5, bearing cylinder 6, rack 7, slide plate 8, into vapour channel 9, exhaust passage 10, cylinder end piece 11, sealing ring 12, stander end Lid 13, admission end lid 14.Wherein eccentric mounting 4 and cylinder end piece 11 pass through bolt and cylinder body 3 is tightened to a block-head cylinder, cylinder It is supported on rack end cap 13 and eccentric mounting 4 by bearing cylinder 6, and rotate in fixed axis around cylinder centerline, main shaft 1 passes through one Base bearing 5 is supported on rack end cap 13, and is rotated in fixed axis around 1 center line of main shaft, rotor 2 is fixed on master by positioning key On axis 1, rotation center and main shaft 1 are concentric, and rotate around 1 center line of main shaft, and there are one with spindle centerline for cylinder centerline A bias, eccentric distance are the difference of the inner circle radius of cylinder and the exradius of rotor, and are determined by eccentric mounting 4, so that turning The outer circumference surface and cylinder block inner peripheral surface of son are tangent, and the rounded nose of slide plate 8 is embedded into the cylindrical body of cylinder body 3, and main body It extends in the sliding slot 15 of rotor 2, and crescent working chamber is divided into vapour chamber and expansion chamber.Into the setting of vapour channel 9 into vapour On end cap 14, admission end lid 14 is by connecting bolt fastening in rack 7, in 4 relative motion of air inlet end cap 14 and eccentric mounting Sealing ring 12 is provided between gap, to prevent high pressure, high-temp waste gas from leaking to exhaust passage 10, skateboard slot 15 is axially disposed within On rotor 2.

Shown in Fig. 3, a series of deflector holes 16 are provided in the skateboard slot 15 of this plane rotation formula expanding machine, to prevent limited slip plate 8 gas-liquid in radial motion in skateboard slot 15 is compressed, causes power loss.

8 head shape of cylinder slide plate of this plane rotation formula expanding machine is cylindrical, and the main body of slide plate is plate-like, slide plate 8 heads are embedded into 3 cylindrical body of cylinder body, and 8 main body of slide plate extends in the radial skateboard slot 15 of rotor 2,8 axial dimension of slide plate with Cylinder body 3 is equal, it is ensured that axial seal clearance, slide plate cylindrical head extends in the axial circular sky of cylinder body 3, thus simultaneously Guarantee that slide plate 8 can not only be moved when rotor 2 rotates along the radial skateboard slot 15 of rotor 2, but also can be in the cylinder of cylinder body 3 Make plane rocking in vivo, to adapt to the phase difference between cylinder and rotor 2.

Shown in Fig. 1,2 and Fig. 3, as β=0, crescent it is equal with expansion chamber V2 into vapour chamber V1, exhaust gas liquid is by into vapour Then the end for entering rotor 2 into vapour channel 9 and eccentric mounting into vapour channel in end cap 14 is imported by the air intake 17 of rotor Into vapour chamber V1, due to being filled with the exhaust gas liquid of high pressure, high temperature in element volume V1, expansion chamber V2 passes through rotation steam drain 19 and row Vapour channel 10 leads to ambient pressure, is then the atmospheric pressure of low pressure in expansion chamber V2, drives rotor 2 inverse under the action of pressure difference Hour hands rotation, and main shaft 1 is driven to make equidirectional rotation, and slide plate 8 makees equidirectional rotation under the driving of rotor with rotor And cylinder body 3 is driven to rotate synchronously by slide plate 8.The crescent expansion chamber V2 formed by cylinder and rotor is smaller and smaller, when β= At 180 °, maximum value is up into vapour chamber V1, and expansion chamber V2 levels off to zero, when the radial admission hole 17 on rotor 2 rotates When to point of contact M, reach maximum value into vapour chamber V1, and expansion chamber V2 is zero, expansion cycles terminate, entire crescent element volume into Vapour chamber is converted to expansion chamber, when the rotation air intake 17 on rotor 2 crosses point of contact M, i.e., at 180 ° of β >, and inlet chamber V1 volume Then it is gradually increased, and expansion chamber V2 is then gradually reduced, and starts second working cycles, pressure energy and thermal energy are converted to main shaft Kinetic energy and direct drive generator or driving load economize on electricity.

It is rotated into, arranges with what rotor 2 and cylinder body 3 rotated since radial admission mouth 17, radial rotary steam drain 19 are one Steam ports, so keep communicating with high pressure, high-temp waste gas in the case where arbitrary main shaft 1 rotates angle into vapour chamber, and expansion chamber is in office It is communicated with atmosphere under meaning angle, as long as can rotor be driven to rotate higher than any exhaust gas of atmospheric pressure in this way, and band in turn Dynamic main shaft 1 rotates, and the power of plane rotation formula expanding machine is then exported by main shaft, drives generator or driving load section Electricity accomplishes the cascade utilization of the energy.

In this plane rotation formula expanding machine, a main fluid leak path is the inner circumferential surface and rotor 2 of cylinder body 3 External peripheral surface radial clearance, the size in the gap controls by eccentric mounting 4 completely, and this gap can cause radial leakage, it Directly affect the volumetric efficiency and processing cost of the utility model plane rotation formula expansion machinery, the cylinder body 3 and rotor 2 Radial clearance control within 2 millimeters.

In this plane rotation formula expanding machine, sealing ring 12 is set between admission end lid 14 and eccentric mounting 4, to prevent height Pressure, high temperature exhaust gas liquid to exhaust passage 10 leak, influence the output power of expanding machine main shaft 1.

This plane rotation formula expansion machinery can be used for industrial afterheat recovery hot water hydrothermal solution, steam, flue gas power generation, can also use In underground heat, solar level biomass thermal can etc. energy power field, but if reversely rotating, and will be exchanged into, steam drain, completely It can be widely applied to the various fields such as various gas compressors, fluid delivery pump and refrigeration air conditioner compressor.

The basic principles and main features and advantage of the utility model have been shown and described above.But the utility model is not Limit to above-mentioned cited specific embodiment, those skilled in the art can according to utility model works principle and above The specific embodiment provided can make various equivalent modifications, equivalent replacement, component increase and decrease and reconfigure, thus Constitute more new embodiments.

The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.

Claims (8)

1. a kind of plane rotation formula expanding machine, it is characterised in that including main shaft (1), rotor (2), cylinder body (3), eccentric mounting (4), machine Frame (7), slide plate (8), cylinder end piece (11) and rack end cap (13), described main shaft (1) one end are protruded into rack and are consolidated with rotor (2) Fixed connection, the other end are supported on rack end cap (13) by base bearing (5), and main shaft (1) turns around rotor (2) center dead axle It is dynamic；One end end of the rotor (2) is provided with the steam passage being connected and radial admission mouth (17), and the axial plane of the other end is equipped with Skateboard slot (15), skateboard slot (15) bottom are equipped with deflector hole (16)；The eccentric mounting (4) is fastened respectively to cylinder end piece (11) Cylinder body (3) both ends constitute cylinder, which is supported by the bearing cylinder (6) being located on eccentric mounting (4) and rack (7), and around gas Cylinder center line System of Rotating about Fixed Axis；The slide plate (8) reciprocatingly moves in the skateboard slot (15) of rotor (2) and plane rocking, and band It takes offence cylinder synchronous rotary, the radial rotary steam drain (19) of rotation, and cylinder body (3), rotor is provided on the cylinder body (3) (2), cylinder end piece (11), eccentric mounting (4) and slide plate (8) constitute the crescent element volume of working chamber, and slide plate (8) is by crescent moon Shape element volume is divided into vapour chamber V1 and expansion chamber V2；The rack (7) has been arranged radially exhaust passage (10), admission end lid (14) circumferential to be provided with into vapour channel (9), and into vapour channel (9) by eccentric mounting (4), rotor (2) end steam passage with open up Radial admission mouth (17) on rotor (2) communicates, constitute plane rotation formula expanding machine into vapour access.

2. plane rotation formula expanding machine according to claim 1, it is characterised in that the rotor is equipped with keyway (18), main Axis (1) is fixed on rotor (2) by keyway (18).

3. plane rotation formula expanding machine according to claim 1, it is characterised in that high pressure, high temperature exhaust gas pass through rotor (2) radial admission mouth (17) enters inlet chamber V1, is discharged after expanded by radial rotary steam drain (19).

4. plane rotation formula expanding machine according to claim 1, it is characterised in that the rotor (2) is located in cylinder body (3), Its rotation center and the rotation center of cylinder body (3) have a bias, and bias is the radius of cylinder body (3) and the difference of rotor (2) radius.

5. plane rotation formula expanding machine according to claim 1, it is characterised in that the radial admission mouth on the rotor (2) (17) it is provided with the rear of the direction of rotation of slide plate (8), and radial rotary steam drain (19) is provided on cylinder body (3) and is located at cunning The front of the direction of rotation of plate (8).

6. plane rotation formula expanding machine according to claim 1, it is characterised in that the admission end lid (14) and eccentric mounting (4) it is provided between the gap of relative motion sealing ring (12), prevents high pressure, high-temp waste gas liquid from leaking to exhaust passage (10).

7. plane rotation formula expanding machine according to claim 1, it is characterised in that the eccentric mounting (4) and cylinder end piece (11) it is fastened by bolts in cylinder body (3) both ends to constitute cylinder.

8. plane rotation formula expanding machine according to claim 1, it is characterised in that slide plate (8) head shape is in cylinder The main body of shape, slide plate (8) is plate-like, and slide plate (8) head is embedded on the inside of cylinder body (3), and slide plate (8) main body extends to rotor (2) in skateboard slot (15).