CN210370803U

CN210370803U - Integral ORC turbine device

Info

Publication number: CN210370803U
Application number: CN201921394220.1U
Authority: CN
Inventors: 康磊; 娄建军; 强亮亮
Original assignee: 康磊
Current assignee: Jiangsu LUHANG Power Technology Co., Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-21
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses an integral ORC turbine device, including stator module, rotor subassembly, entry casing, export casing, first seal assembly, second radial bearing, first radial bearing, auxiliary thrust bearing and main thrust bearing, the rotor subassembly is in the inside of stator module, entry casing and export casing are in the both sides of stator module respectively, the bottom of entry casing and export casing all welds the support frame; compared with a conventional high-speed centripetal ORC turbine, the integral ORC turbine is suitable for large and medium power grade ORC turbines, the power range is 5-20MW, a unit can directly drive a conventional generator set, frequency conversion is not needed, the integral operation efficiency of the equipment is high through the design of a high-efficiency ternary impeller, the integral equipment is compact in structure, high in reliability after installation and low in maintenance cost, the large and medium power grade turbine required by a client in a large-flow waste heat occasion is met, and the cost is reduced.

Description

Integral ORC turbine device

Technical Field

The utility model belongs to the technical field of low temperature waste heat recovery ORC turbine, concretely relates to integral ORC turbine device.

Background

The main principle of the turboexpander is that gas with certain pressure is used to make adiabatic expansion in the turboexpander to do work externally to consume internal energy of the gas, so that the gas is cooled strongly to achieve the purpose of refrigeration.

The existing expansion machine is not suitable for an ORC system with smaller power, because the rotating speed can exponentially increase along with the reduction of output power, even can reach hundreds of thousands of revolutions per minute or even hundreds of thousands of revolutions, and at the moment, a common oil film bearing is adopted, which cannot meet the requirements or even fails, so the expansion machine is commonly used for large and medium ORC systems, and compared with a steam Rankine cycle, the ORC working medium is basically a hydrofluoride carbon compound refrigerant evaporated at low temperature and has the characteristics of low specific heat capacity, low sonic speed, low enthalpy, large viscosity reduction, easy expansion and the like, so the ORC turbine is generally a high expansion ratio turbine, and more single-stage high-speed centripetal turbines are adopted; when flow is less, radial-flow turbine is less because the quantity of rotatory bladed disk, and mechanical loss is few, and is low to clearance loss's sensitivity, and blade simple to operate moreover, but, along with the increase of flow, the turbine size will increase substantially, adopts axial-flow turbine to come to deal with large-traffic and high enthalpy and falls more suitably this moment, adopts multistage axial flow form usually, in order to guarantee safe sealing, easy dismounting, the bearing is easy to select, and the unknown part of above problem is all considered to this paper axial flow multistage structure, for this reason the utility model provides an integral ORC turbine device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral ORC turbine device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integral ORC turbine device, includes stator module, rotor subassembly, entry casing, export casing, first seal assembly, second radial bearing, first radial bearing, assists thrust bearing and main thrust bearing, the rotor subassembly is in stator module's inside, entry casing and export casing are in stator module's both sides respectively, the support frame has all been welded to the bottom of entry casing and export casing.

Preferably, stator module includes stator casing, connecting screw and multistage nozzle assembly, multistage nozzle assembly includes first stage nozzle assembly, first secondary nozzle assembly, second secondary nozzle assembly and last stage nozzle assembly, multistage nozzle assembly passes through connecting screw to be fixed in stator casing's inside, first stage nozzle assembly, first secondary nozzle assembly, second secondary nozzle assembly and last stage nozzle assembly constitute by nozzle inner ring, nozzle outer loop and blade, screw hole and pin locating hole have been seted up to the inside of blade, the blade is connected nozzle inner ring and nozzle outer loop radial orientation through pin and connecting bolt, the carbocycle sealing member is installed to the inboard of nozzle inner ring.

Preferably, the rotor assembly comprises a rotor shaft, a multi-stage impeller disc, a thrust disc, a balance sleeve and a first locking nut, the multi-stage impeller disc comprises a first-stage impeller disc, a second-stage impeller disc and a last-stage impeller disc, the first locking nut is arranged on one side of the last-stage impeller disc, flat keys are arranged on the inner side surfaces of the first-stage impeller disc, the second-stage impeller disc and the last-stage impeller disc, the first-stage impeller disc, the second-stage impeller disc and the last-stage impeller disc are connected with the rotor shaft through the flat keys, the thrust disc and the balance sleeve are sleeved at one end of the rotor shaft, a second locking nut is arranged on the end surface of the rotor shaft and located on one side of the balance sleeve, the thrust disc and the balance sleeve are located on the inner side of the inlet shell, and the, The first radial bearing, the auxiliary thrust bearing and the main thrust bearing are all sleeved at one end of the rotor shaft, the first sealing assembly and the first radial bearing are positioned at the inner side of the inlet shell, a first bearing gland is arranged on the surface of the first radial bearing, a second bearing gland is arranged on one side of the first bearing gland, the auxiliary thrust bearing and the main thrust bearing are both positioned in the second bearing gland, the thrust disc is positioned between the auxiliary thrust bearing and the main thrust bearing, the balance sleeve is positioned on one side of the main thrust bearing, the first radial bearing is positioned between the auxiliary thrust bearing and the first sealing assembly, a second bearing blank cap is fixed on the outer side surface of the inlet shell, the second sealing assembly and the second radial bearing are both sleeved at the other end of the rotor shaft, and the second sealing assembly and the second radial bearing are both positioned in the outlet shell, one side of the outlet shell is provided with a bearing seat, the second radial bearing is positioned in the bearing seat, and the outer side surface of the bearing seat is fixed with a first bearing blank cap.

Preferably, first seal assembly includes the return bend of sealed pump gas of three cooperations of seal, a plurality of sealing ring, spacer ring, steel gasket, sealed lid, sealing ring, spacer ring and steel gasket all are in the inside of seal, and the sealing ring is in between spacer ring and the steel gasket, sealed lid is connected with stator module through fixed seal, second seal assembly is the same with first seal assembly structure.

Preferably, a first flange is welded to the end of the inlet housing, and a second flange is welded to the end of the outlet housing.

Preferably, the bottom of the support frame is internally provided with a threaded sleeve, the bottom of the support frame is provided with a sleeve groove matched with the threaded sleeve, the threaded sleeve is fixedly connected with the support frame through a bolt, and the inside of the threaded sleeve is provided with a bolt hole.

Preferably, the top bilateral symmetry of swivel nut is equipped with the installation foot of integral type, and the top bilateral symmetry in cover groove sets up the mounting groove with installation foot looks adaptation, the installation foot passes through the inside of bolt fastening at the mounting groove.

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

1. compared with a conventional high-speed centripetal ORC turbine, the integral ORC turbine is suitable for large and medium power grade ORC turbines, the power range is 5-20MW, a unit can directly drive a conventional generator set, frequency conversion is not needed, the integral operation efficiency of the equipment is high through the design of a high-efficiency ternary impeller, the integral equipment is compact in structure, high in reliability after installation and low in maintenance cost, the large and medium power grade turbine required by a client in a large-flow waste heat occasion is met, and the cost is reduced.

2. Through swivel nut, bolt hole, installation foot, mounting groove and the cover groove that sets up for when the size of bolt hole and the reservation bolt hole size on external object surface are not matchd, can pull down the swivel nut and change, thereby make installing that the support frame can be smooth, avoid because of the size mismatch lead to the problem that the support frame can't be installed smoothly, make the installation commonality of support frame obtain certain promotion.

Drawings

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

fig. 2 is a schematic structural view of a stator assembly of the present invention;

FIG. 3 is a schematic structural view of the multi-stage nozzle assembly of the present invention;

fig. 4 is a schematic structural view of the rotor assembly of the present invention;

fig. 5 is a schematic structural view of the sealing assembly of the present invention;

fig. 6 is a schematic view of a connection cross-sectional structure of the screw sleeve and the support frame according to embodiment 2 of the present invention;

in the figure: 1. a stator assembly; 2. an inlet housing; 3. a first seal assembly; 5. a rotor assembly; 6. an outlet housing; 8. a bearing seat; 9. a second radial bearing; 10. a first bearing blank cap; 12. a first bearing gland; 13. auxiliary thrust bearings; 14. a main thrust bearing; 15. a second bearing cap; 16. a second bearing blank cap; 20. a first radial bearing; 21. a second seal assembly; 31. a seal body; 32. a seal ring; 33. a spacer ring; 34. a steel pad; 35. a sealing cover; 36. a threaded sleeve; 37. bolt holes; 38. mounting a foot; 39. mounting grooves; 40. sleeving a groove; 53. a support frame; 54. a stator housing; 55. a multi-stage nozzle assembly; 56. a connecting screw; 57. a nozzle inner ring; 58. a nozzle outer ring; 59. a carbocyclic ring seal; 60. a blade; 61. a rotor shaft; 62. a multi-stage impeller disc; 63. a thrust disc; 64. a balance sleeve; 65. a first lock nut; 66. a flat bond; 67. and a second lock nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an integral ORC turbine device, includes stator module 1, rotor subassembly 5, entry casing 2, export casing 6, first seal assembly 3, second seal assembly 21, second radial bearing 9, first radial bearing 20, assist thrust bearing 13 and main thrust bearing 14, rotor subassembly 5 is in stator module 1's inside, entry casing 2 and export casing 6 pass through the bolt fastening respectively in stator module 1's both sides, entry casing 2 and the bottom of export casing 6 all weld support frame 53.

In this embodiment, preferably, the stator assembly 1 includes a stator housing 54, a connection screw 56 and a multi-stage nozzle assembly 55, the multi-stage nozzle assembly 55 includes a first-stage nozzle assembly, a second-stage nozzle assembly and a last-stage nozzle assembly, the multi-stage nozzle assembly 55 is fixed inside the stator housing 54 by the connection screw 56, each of the first-stage nozzle assembly, the second-stage nozzle assembly and the last-stage nozzle assembly is composed of a nozzle inner ring 57, a nozzle outer ring 58 and a vane 60, a threaded hole and a pin positioning hole are formed inside the vane 60, the vane 60 radially positions and connects the nozzle inner ring 57 and the nozzle outer ring 58 by the pin and the connection screw, and a carbon ring seal 59 is installed inside the nozzle inner ring 57.

In this embodiment, it is preferable that the rotor assembly 5 includes a rotor shaft 61, a plurality of stages of impeller disks 62, a thrust disk 63, a balance sleeve 64, and a first locking nut 65, the plurality of stages of impeller disks 62 include a first stage impeller disk, a second stage impeller disk, and a last stage impeller disk, the first locking nut 65 is disposed at one side of the last stage impeller disk, flat keys 66 are disposed on inner side surfaces of the first stage impeller disk, the second stage impeller disk, and the last stage impeller disk, the first stage impeller disk, the second stage impeller disk, and the last impeller disk are connected to the rotor shaft 61 through the flat keys 66 to transmit torque, all the plurality of stages of impeller disks 62 are inserted from one direction, and are locked by the first locking nut 65 after being axially attached, the thrust disk 63 and the balance sleeve 64 are installed in the same manner, the thrust disk 63 and the balance sleeve 64 are inserted at one end of the rotor shaft 61, the end surface of the rotor shaft 61 is provided with a second lock nut 67, the second lock nut 67 is arranged at one side of the balance sleeve 64, the thrust disc 63 and the balance sleeve 64 are arranged at the inner side of the inlet housing 2, the first sealing assembly 3, the first radial bearing 20, the auxiliary thrust bearing 13 and the main thrust bearing 14 are all sleeved at one end of the rotor shaft 61, the first sealing assembly 3 and the first radial bearing 20 are arranged at the inner side of the inlet housing 2, the surface of the first radial bearing 20 is provided with a first bearing cover 12, one side of the first bearing cover 12 is provided with a second bearing cover 15, the auxiliary thrust bearing 13 and the main thrust bearing 14 are both arranged inside the second bearing cover 15, the thrust disc 63 is arranged between the auxiliary thrust bearing 13 and the main thrust bearing 14, the balance sleeve 64 is arranged at one side of the main thrust bearing 14, the first radial bearing 20 is arranged between the auxiliary thrust bearing 13 and the first sealing assembly 3, the outside fixed surface of entry casing 2 has second bearing stifle 16, and second seal assembly 21 and second radial bearing 9 all overlap and establish the other end at rotor shaft 61, and second seal assembly 21 and second radial bearing 9 all are in the inside of export casing 6, and one side of export casing 6 is provided with bearing frame 8, and second radial bearing 9 is in the inside of bearing frame 8, and the outside fixed surface of bearing frame 8 has first bearing stifle 10.

In this embodiment, preferably, the first sealing assembly 3 includes three curved tubes which are matched to seal the pumping air, namely a sealing body 31, a plurality of sealing rings 32, a spacer ring 33, a steel gasket 34 and a sealing cover 35, the sealing rings 32, the spacer ring 33 and the steel gasket 34 are all located inside the sealing body 31, the sealing rings 32 are located between the spacer ring 33 and the steel gasket 34, the sealing cover 35 is connected with the stator assembly 1 through the fixed sealing body 31, and the second sealing assembly 21 and the first sealing assembly 3 are identical in structure.

In this embodiment, preferably, in order to reduce cost, the end portions of the inlet housing 2 and the outlet housing 6 are all formed by tailor-welding a winding drum and a flange, the outer ring is welded with rib plates in a staggered manner to increase strength and pressure-bearing capacity of the inlet housing, the end portion of the inlet housing 2 is welded with a first flange, the end portion of the outlet housing 6 is welded with a second flange, the inlet housing 2 and the outlet housing 6 are respectively connected with a system pipeline through the first flange and the second flange, and the end surfaces of the inlet housing 2 and the outlet housing 6 are sealed by O-rings.

Example 2

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides an integral ORC turbine device, includes stator module 1, rotor subassembly 5, entry casing 2, export casing 6, first seal assembly 3, second seal assembly 21, second radial bearing 9, first radial bearing 20, assist thrust bearing 13 and main thrust bearing 14, rotor subassembly 5 is in stator module 1's inside, entry casing 2 and export casing 6 pass through the bolt fastening respectively in stator module 1's both sides, entry casing 2 and the bottom of export casing 6 all weld support frame 53.

In this embodiment, preferably, the threaded sleeve 36 is arranged inside the bottom end of the support frame 53, the bottom end of the support frame 53 is provided with the sleeve groove 40 matched with the threaded sleeve 36, the threaded sleeve 36 is fixedly connected with the support frame 53 through a bolt, and the bolt hole 37 is arranged inside the threaded sleeve 36, so that the threaded sleeve 36 can be detached for replacement when the size of the bolt hole 37 is not matched with the size of the reserved bolt hole on the surface of the external object.

In this embodiment, preferably, the top end of the threaded sleeve 36 is symmetrically provided with the integrated mounting feet 38, the top end of the sleeve groove 40 is symmetrically provided with the mounting grooves 39 matched with the mounting feet 38, and the mounting feet 38 are fixed inside the mounting grooves 39 through bolts, so that the threaded sleeve 36 can be smoothly fixed inside the bottom end of the support frame 53.

The end seal of the integral ORC turbine is a built-in mechanical seal, seal elements are all positioned in a medium, stress, cooling and lubrication are all in the best state, a seal surface can bear medium pressure and is basically suitable for all organic working media which can be used for the ORC turbine, the mechanical seal structure is simple and convenient to assemble, the seal form is beneficial to fluid flow and heat dissipation, solid impurities can be removed by utilizing matching self-centering, and the working length of a seal section is not required to be measured during installation;

the first radial bearing 20 and the second radial bearing 9 adopt a universal upper and lower half-split structure, a lubricating medium enters from the side surface, and enters an oil return cavity after being lubricated, and a little leaked organic supply exists in the lubricating oil and is treated by an external oil separator;

the turbine stage adopts smaller reaction degree, and the axial thrust generated by the movable impeller is less than 2000N, so that the thrust disc is relatively smaller and the structure is compact;

before the integral ORC turbine is integrally assembled, a rotor shaft 61 and a multi-stage impeller disc 62 are required to be sleeved and are in high-speed dynamic balance together, the multi-stage impeller disc 62 and the rotor shaft 61 are marked in scales at the axial and circumferential relative positions, the multi-stage impeller disc 62 and a stator ring body can be assembled into a machine shell after disassembly, the multi-stage impeller disc and the stator ring body are assembled into a designated marking position according to a pre-marked number in the installation process, and the state of the rotor after integral installation is ensured to be consistent with the state during dynamic balance;

the utility model discloses a theory of operation and use flow: the vertical assembling and installing sequence of the integral ORC turbine is that firstly an inlet shell 2 is fixed on a working bench, a first sealing assembly 3 is axially installed, then a rotor shaft 61 is inserted into and penetrates through the inlet shell 2, the relative position of the rotor shaft 61 relative to the end surface of the inlet shell 2 is determined, then a plurality of first multi-stage nozzle assemblies 55 are installed into the stator assembly 1 from the left side and integrally penetrate through the rotor shaft 61 to be fixed with the end surface of the inlet shell 2, then a first-stage impeller disc, a first-stage nozzle assembly, a first secondary-stage impeller disc, a second secondary-stage nozzle assembly, a last-stage impeller disc and a last-stage nozzle assembly are sequentially installed, finally a first locking nut 65 is sleeved on the surface of the rotor shaft 61 and screwed down to lock the last-stage impeller disc, then an outlet shell 6 and a second sealing assembly 21 are sequentially installed from the right side, and then the second radial bearing 9, the bearing seat 8 and the first bearing blank cap 10 are installed from the right side, then the first radial bearing 20, the thrust disc 63, the auxiliary thrust bearing 13, the main thrust bearing 14, the balance sleeve 64, the first bearing cap 12 and the second bearing cap, the second bearing cap 15 are installed from the left side, the balance sleeve 64 is locked by the second locking nut 67, and finally, the end face of the bearing seat 8 is sealed by the second bearing blank cap 16. The integrated axial flow type design structure is utilized to expand the power of the ORC turbine to 5-20MW grade, the rotating speed is set to be under the conventional grid-connected rotating speed (3000RPM or 3600RPM), inverter frequency conversion is not needed, the conventional generator set can be directly connected, the equipment cost is greatly reduced, a feasible solution is provided for a large-capacity waste heat utilization unit, the center-split surface of a traditional cylinder is cancelled for convenient installation, a vertical axial installation wheel disc is used for replacing, the installation process is simplified, the steps of vertical positioning, connection, centering and the like of the center-split surface are not needed, the hidden danger of center-split surface leakage is also solved, the strength of the cylinder is enhanced, higher grade can be borne, the integrated sleeving structure is compact, and the manufacturing cost of a shafting, a wheel;

when the support frame 53 needs to be fixed with an external object through a bolt, if the bolt hole 37 is not matched with the size of the reserved bolt hole on the surface of the external object, the bolt at the top of the mounting foot 38 can be detached, the threaded sleeve 36 can be detached from the interior of the sleeve groove 40, the threaded sleeve 36 can be detached and replaced by the threaded sleeve 36 with the size of the internal bolt hole 37 matched with the size of the reserved bolt hole, then the replaced threaded sleeve 36 is inserted into the sleeve groove 40, the mounting foot 38 is inserted into the mounting groove 39, then the bolt penetrates through the mounting foot 38 and is screwed into the threaded groove at the bottom end of the mounting groove 39, the mounting foot 38 can be fixed in the mounting groove 39, and therefore the mounting and fixing of the threaded sleeve 36 are completed, at the moment, because the size of the internal bolt hole 37 of the threaded sleeve 36 is matched with the size of the reserved bolt hole on the surface of the external object, the support frame 53 can be smoothly fixed with the, the problem that the support frame 53 cannot be smoothly installed due to the fact that the sizes are not matched is avoided, and the installation universality of the support frame 53 is improved to a certain extent.

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

Claims

1. An integrated ORC turbine plant characterized by: including stator module (1), rotor subassembly (5), entry casing (2), export casing (6), first seal assembly (3), second seal assembly (21), second radial bearing (9), first radial bearing (20), auxiliary thrust bearing (13) and main thrust bearing (14), rotor subassembly (5) are in the inside of stator module (1), entry casing (2) and export casing (6) are in the both sides of stator module (1) respectively, support frame (53) have all been welded to the bottom of entry casing (2) and export casing (6).

2. An integrated ORC turbine according to claim 1, wherein: the stator assembly (1) comprises a stator housing (54), a connecting screw (56) and a multi-stage nozzle assembly (55), the multi-stage nozzle assembly (55) includes a first stage nozzle assembly, a first secondary stage nozzle assembly, a second secondary stage nozzle assembly, and a last stage nozzle assembly, the multi-stage nozzle assembly (55) is fixed inside the stator housing (54) by a connection screw (56), the first stage nozzle assembly, the first secondary nozzle assembly, the second secondary nozzle assembly and the last stage nozzle assembly are all composed of a nozzle inner ring (57), a nozzle outer ring (58) and vanes (60), the inner part of the blade (60) is provided with a threaded hole and a pin positioning hole, the blade (60) radially positions and connects the nozzle inner ring (57) and the nozzle outer ring (58) through a pin and a connecting bolt, a carbon ring seal (59) is mounted on the inside of the nozzle inner ring (57).

3. An integrated ORC turbine according to claim 1, wherein: the rotor assembly (5) comprises a rotor shaft (61), a multi-stage impeller disc (62), a thrust disc (63), a balance sleeve (64) and a first locking nut (65), wherein the multi-stage impeller disc (62) comprises a first-stage impeller disc, a second-stage impeller disc and a last-stage impeller disc, the first locking nut (65) is located on one side of the last-stage impeller disc, flat keys (66) are arranged on the inner side surfaces of the first-stage impeller disc, the second-stage impeller disc and the last-stage impeller disc, the first-stage impeller disc, the second-stage impeller disc and the last-stage impeller disc are connected with the rotor shaft (61) through the flat keys (66), the thrust disc (63) and the balance sleeve (64) are sleeved at one end of the rotor shaft (61), and a second locking nut (67) is arranged on the end surface of the rotor shaft (61), and the second lock nut (67) is at one side of the balance sleeve (64), and the thrust disc (63) and the balance sleeve (64) are at the inner side of the inlet housing (2), the first sealing component (3), the first radial bearing (20), the auxiliary thrust bearing (13) and the main thrust bearing (14) are all sleeved at one end of the rotor shaft (61), the first sealing component (3) and the first radial bearing (20) are at the inner side of the inlet housing (2), the surface of the first radial bearing (20) is provided with a first bearing cover (12), one side of the first bearing cover (12) is provided with a second bearing cover (15), the auxiliary thrust bearing (13) and the main thrust bearing (14) are both at the inner part of the second bearing cover (15), the thrust disc (63) is between the auxiliary thrust bearing (13) and the main thrust bearing (14), balance sleeve (64) is in one side of main thrust bearing (14), first radial bearing (20) are in between assisting thrust bearing (13) and first seal assembly (3), the outside fixed surface of entry casing (2) has second bearing stifle (16), second seal assembly (21) and second radial bearing (9) are all established at the other end of rotor shaft (61) to all overlap, and second seal assembly (21) and second radial bearing (9) all are in the inside of export casing (6), and one side of export casing (6) is provided with bearing frame (8), and second radial bearing (9) are in the inside of bearing frame (8), the outside fixed surface of bearing frame (8) has first bearing stifle (10).

4. An integrated ORC turbine according to claim 1, wherein: first seal assembly (3) include sealed return bend of drawing gas of seal (31), a plurality of sealing ring (32), spacer ring (33), steel gasket (34), sealed lid (35) and three cooperation seals, sealing ring (32), spacer ring (33) and steel gasket (34) all are in the inside of seal (31), and sealing ring (32) are in between spacer ring (33) and steel gasket (34), sealed lid (35) are connected with stator module (1) through fixed seal (31), second seal assembly (21) and first seal assembly (3) the same structure.

5. An integrated ORC turbine according to claim 1, wherein: the end part of the inlet shell (2) is welded with a first flange, and the end part of the outlet shell (6) is welded with a second flange.

6. An integrated ORC turbine according to claim 1, wherein: the support frame is characterized in that a threaded sleeve (36) is arranged inside the bottom end of the support frame (53), a sleeve groove (40) matched with the threaded sleeve (36) is formed in the bottom end of the support frame (53), the threaded sleeve (36) is fixedly connected with the support frame (53) through a bolt, and a bolt hole (37) is formed inside the threaded sleeve (36).

7. An integrated ORC turbine according to claim 6, wherein: the top bilateral symmetry of swivel nut (36) is equipped with installation foot (38) of integral type, and the top bilateral symmetry of cover groove (40) offer with installation foot (38) looks adaptation mounting groove (39), installation foot (38) pass through the inside of bolt fastening at mounting groove (39).