CN214945070U

CN214945070U - Multistage turbine vacuum machine for soda ash and combined soda

Info

Publication number: CN214945070U
Application number: CN202121110296.4U
Authority: CN
Inventors: 陈勇; 胡小文; 郭朋华
Original assignee: Nantong Dart Pollrich Fan Co Ltd
Current assignee: Nantong Dart Pollrich Fan Co Ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-30
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a multi-stage turbine vacuum machine for soda ash and combined soda, including a motor and a fan component, the fan component comprises a stator, a rotor and a fan bracket, the stator is connected with the rotor transmission, the stator and the rotor are respectively fixed on the fan bracket, an outlet expansion joint is installed below the fan bracket, an inlet electric regulating valve and an outlet check valve are respectively installed below the outlet expansion joint, the motor is fixed on the gear box motor bracket, the output shaft of the motor is connected with the second coupler in a transmission manner, the second coupler is connected with the gear transmission in the gear box, the gear in the gear box is connected with the first coupler in a transmission manner, and the first coupler is connected with the rotor transmission manner; the centrifugal blower or the centrifugal compressor for vacuumizing is suitable for a filtering chamber and related pipelines of a vacuum system of an alkalizer, the vacuum degree of the system is 60-80kPa, the total pressure ratio of epsilon is more than or equal to 2.5 and less than or equal to 5, and the pressure ratio of single-stage impellers is more than or equal to 1.3 and less than or equal to 1.8.

Description

Multistage turbine vacuum machine for soda ash and combined soda

Technical Field

The utility model relates to a vacuum machine technical field specifically is a multistage turbine vacuum machine is used to soda, allies oneself with alkali.

Background

The multistage turbine vacuum machine for soda and combined soda is used to make the filtering chamber and related pipeline of the system vacuum filtering machine produce vacuum degree, and is the main equipment for filtering operation. A water ring vacuum pump is generally used. The water-ring vacuum pump has low air exhaust capacity and water resource waste, directly leads to a plurality of devices needed by alkali chemical manufacturers, and is inconvenient to manage and large in later maintenance amount. The alkalization chemical vacuum system contains water vapor, ammonia gas, carbon dioxide and air, and the flow and pressure (vacuum degree) performance adjusting range of the fan is large (the variable rotating speed of a steam turbine is mostly used for adjusting) due to the requirement of production adjustment, so that the vacuum machine provides a new height for the requirements of anticorrosion and performance adjusting capability. At present, the turbine vacuum machine has no relevant standard, and JB/T7258-2006, general purpose centrifugal blowers can not be completely applied to the existing requirements and disputes of the industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soda, ally oneself with multistage turbine vacuum machine for alkali 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: a multi-stage turbine vacuum machine for soda ash and combined soda comprises a motor and a fan component, wherein the fan component comprises a stator, a rotor and a fan bracket, the stator is in transmission connection with the rotor, the stator and the rotor are respectively fixed on a fan bracket, an outlet expansion joint is arranged below the fan bracket, an inlet electric regulating valve and an outlet check valve are respectively arranged below the outlet expansion joint, the motor is fixed on a gear box motor bracket, the output shaft of the motor is in transmission connection with a second coupling, the second coupling is in transmission connection with a gear in the gear box, the gear in the gear box is in transmission connection with a first coupler which is in transmission connection with the rotor, the first coupler is externally provided with a first coupler cover, the second coupler is externally provided with a second coupler cover, and the first coupler cover and the second coupler cover are respectively fixed on a coupler cover supporting plate.

Preferably, the application provides a multistage turbine vacuum machine is used to soda, antithetical couplet alkali, wherein, the rotor includes first impeller, second impeller and third impeller, first impeller, second impeller and third impeller set up respectively in the impeller shaft outside, the impeller shaft is connected with spindle drive, first impeller installs in the impeller shaft outside through first axle sleeve, the second impeller passes through the second axle sleeve and installs in the impeller shaft outside, third impeller one side still sets up the balance disk, the balance disk is installed in the impeller shaft outside, impeller shaft one end sets up the inlet end, the impeller shaft sets up the tight hoop of air inlet end with the main shaft junction, the impeller shaft other end sets up the exhaust end, the impeller shaft still sets up the tight hoop of exhaust end with the main shaft junction.

Preferably, the multistage turbine vacuum machine is used to soda, antithetical couplet alkali that this application provided, wherein, the stator includes upper casing and lower casing, the upper casing bottom sets up the lower casing, upper casing lateral surface central point installation bearing cap, bearing cap department installation axle head cover, just installation rubber pad between bearing cap and the spindle nose cover still includes footstep bearing, footstep bearing stretches out to in the spindle nose cover, footstep bearing outside installation footstep bearing gland, footstep bearing top installation temperature probe, temperature probe installs on temperature probe installing support, air inlet seal and exhaust seal are installed respectively to the upper casing both ends, exhaust seal top sets up exhaust baffle.

Preferably, the multistage turbine vacuum machine for soda ash and combined soda ash is provided with a first impeller seal, a second impeller seal and a third impeller seal which are respectively arranged in an inner cavity of the upper casing, a first partition plate is arranged above the first impeller seal, a second partition plate is arranged above the second impeller seal, a third partition plate is arranged above the third impeller seal, an interstage seal is arranged between two adjacent impellers, and a balance disc seal is arranged on the balance disc.

Preferably, the multistage turbine vacuum machine is used to soda, antithetical couplet alkali that this application provided, wherein, still include supporting bearing, supporting bearing installs in the upper casing exhaust end outside, supporting bearing upper mounting bearing gland, the supporting bearing outside sets up the bearing frame and seals, still install the probe that shakes between supporting bearing and the upper casing, the probe that shakes is installed in probe installing support that shakes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of novel structure design, wide adjusting range of variable rotating speed performance, wide single machine flow range which can generally reach 40-100%, high efficiency reaching 80%, low energy consumption, no oil for conveying medium and the like; the centrifugal blower or the compressor is suitable for a filter chamber and related pipelines of a vacuum system of an alkalizer, the vacuum degree of the system is 60-80kPa, the total pressure ratio of epsilon is more than or equal to 2.5 and less than or equal to 5, and the pressure ratio of a single-stage impeller is more than or equal to 1.3 and less than or equal to 1.8; in addition, the utility model provides a medium such as inside corrosive gas of vacuum filter chamber of transport and humid air, transport medium temperature generally is in 30 ℃ -50 ℃ within range, and medium moisture content is 100%.

Drawings

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

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the rotor structure of the present invention;

fig. 4 is a schematic view of the stator structure of the present invention;

fig. 5 is a side view of the stator of the present invention;

in the figure: the device comprises a motor 1, a stator 2, a rotor 3, a fan bracket 4, an outlet expansion joint 5, an inlet electric control valve 6, an outlet check valve 7, a gearbox motor bracket 8, a second coupler 9, a gearbox 10, a first coupler 11, a first coupler cover 12, a second coupler cover 13, a coupler cover supporting plate 14, a first impeller 15, a second impeller 16, a third impeller 17, a main shaft 18, a first shaft sleeve 19, a second shaft sleeve 20, a balance disc 21, an air inlet end 22, an air inlet end fastening hoop 23, an exhaust end fastening hoop 24, an upper shell 25, a lower shell 26, a bearing cover 27, a shaft head cover 28, a rubber pad 29, a rubber gasket 30, a thrust bearing gland 31, a temperature measuring probe 32, a temperature measuring probe mounting bracket 33, an air inlet seal 34, an exhaust seal 35, an exhaust baffle 36, a first impeller seal 37, a second impeller seal 38, a third impeller seal 39, a first partition plate 40, a temperature measuring probe 32, a temperature measuring probe mounting bracket 33, a temperature measuring probe mounting bracket, a temperature measuring probe, the vibration measuring device comprises a second partition plate 41, a third partition plate 42, an interstage seal 43, a balance disc seal 44, a support bearing 45, a support bearing cover 46, a bearing seat seal 47, a vibration measuring probe 48 and a vibration measuring probe mounting bracket 49.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, 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 present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a multi-stage turbine vacuum machine for soda and combined soda, includes motor 1 and fan subassembly, the fan subassembly includes stator 2, rotor 3 and fan support 4, stator 2 is connected with the transmission of rotor 3, stator 2 and rotor 3 are fixed in respectively on fan support 4, fan support 4 below installation export expansion joint 5, export expansion joint 5 below is installed entry electric control valve 6 and export check valve 7 respectively, motor 1 is fixed in on gear box motor support 8, the output shaft of motor 1 and second coupling 9 transmission connection, second coupling 9 is connected with the gear drive in the gear box 10, the gear in the gear box 10 is connected with first shaft coupling 11 transmission, first shaft coupling 11 is connected with the transmission of rotor 3, first shaft coupling 11 external mounting first shaft coupling cover 12, second shaft coupling 9 external mounting second shaft coupling cover 13, the first and second coupling covers 12 and 13 are fixed to a coupling cover carrier 14, respectively.

The utility model discloses in, rotor 3 includes first impeller 15, second impeller 16 and third impeller 17, first impeller 15, second impeller 16 and third impeller 17 set up respectively in the impeller shaft outside, the impeller shaft is connected with the 18 transmissions of main shaft, first impeller 15 installs in the impeller shaft outside through first axle sleeve 19, second impeller 16 installs in the impeller shaft outside through second axle sleeve 20, third impeller 17 one side still sets up balance disk 21, balance disk 21 installs in the impeller shaft outside, impeller shaft one end sets up inlet end 22, the impeller shaft sets up inlet end tightly decides hoop 23 with the 18 junction of main shaft, the impeller shaft other end sets up the exhaust end, the impeller shaft still sets up exhaust end tightly decides hoop 24 with the main shaft junction.

The utility model discloses in, stator 2 includes upper casing 25 and lower casing 26, upper casing 25 bottom sets up lower casing 26, upper casing 25 lateral surface center installation bearing cap 27, bearing cap 27 department installation axle head cover 28, just installation rubber pad 29 between bearing cap 27 and the spindle nose cover 28 still includes footstep bearing 30, footstep bearing 30 stretches out to in the spindle nose cover 28, footstep bearing 30 outside installation thrust bearing cap 31, footstep bearing 30 top installation temperature probe 32, temperature probe 32 installs on temperature probe installing support 33, air inlet seal 34 and exhaust seal 35 are installed respectively to upper casing 25 both ends, exhaust seal 35 top sets up exhaust baffle 36.

In addition, in the utility model discloses in, the upper housing 25 inner chamber still sets up first impeller seal 37, second impeller seal 38 and third impeller seal 39 respectively, set up first baffle 40 above first impeller seal 37, set up second baffle 41 above second impeller seal 38, set up third baffle 42 above third impeller seal 39, install interstage seal 43 between two adjacent impellers, install balance plate seal 44 on the balance plate; the vibration measurement device is characterized by further comprising a supporting bearing 45, wherein the supporting bearing 45 is installed outside the exhaust end of the upper shell 25, a supporting bearing cover 46 is installed on the supporting bearing 45, a bearing seat seal 47 is arranged on the outer side of the supporting bearing 45, a vibration measurement probe 48 is further installed between the supporting bearing 45 and the upper shell 25, and the vibration measurement probe 48 is installed on a vibration measurement probe installation support 49.

The working principle is as follows: the utility model discloses a use method includes following step:

A. the motor is controlled to work, the output shaft of the motor drives the second coupler to rotate, the second coupler drives the gear in the gear box to rotate, and the gear drives the first coupler to rotate;

B. the first coupler drives the rotor to rotate rapidly through the main shaft;

C. the rotor adopts a three-dimensional flow multistage turbine flexible rotor, air is sucked at an air inlet end in the rotation process of the rotor, and the air is compressed through a first impeller, a second impeller and a third impeller;

D. the vacuum degree of the compressed vacuum gas reaches 60-80KPa, and the compressed gas is output to the next working procedure.

In summary, the utility model has the advantages of novel structure design, wide adjusting range of variable speed performance, wide single machine flow range, generally reaching 40-100%, high efficiency reaching 80%, low energy consumption, no oil in conveying medium and the like; the centrifugal blower or the compressor is suitable for a filter chamber and related pipelines of a vacuum system of an alkalizer, the vacuum degree of the system is 60-80kPa, the total pressure ratio of epsilon is more than or equal to 2.5 and less than or equal to 5, and the pressure ratio of a single-stage impeller is more than or equal to 1.3 and less than or equal to 1.8; in addition, the utility model provides a medium such as inside corrosive gas of vacuum filter chamber of transport and humid air, transport medium temperature generally is in 30 ℃ -50 ℃ within range, and medium moisture content is 100%.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a soda, ally oneself with multistage turbine vacuum machine for alkali, includes motor (1) and fan subassembly, its characterized in that: the fan assembly comprises a stator (2), a rotor (3) and a fan support (4), the stator (2) is in transmission connection with the rotor (3), the stator (2) and the rotor (3) are respectively fixed on the fan support (4), an outlet expansion joint (5) is installed below the fan support (4), an inlet electric adjusting valve (6) and an outlet check valve (7) are respectively installed below the outlet expansion joint (5), the motor (1) is fixed on a gear box motor support (8), an output shaft of the motor (1) is in transmission connection with a second coupler (9), the second coupler (9) is in transmission connection with a gear in the gear box (10), a gear in the gear box (10) is in transmission connection with a first coupler (11), the first coupler (11) is in transmission connection with the rotor (3), and a first coupler cover (12) is installed outside the first coupler (11), and a second coupling cover (13) is arranged outside the second coupling (9), and the first coupling cover (12) and the second coupling cover (13) are respectively fixed on a coupling cover supporting plate (14).

2. The multi-stage turbine vacuum machine for soda ash and combined soda as claimed in claim 1, wherein: the rotor (3) comprises a first impeller (15), a second impeller (16) and a third impeller (17), the first impeller (15), the second impeller (16) and the third impeller (17) are respectively arranged outside the impeller shaft, the impeller shaft is in transmission connection with the main shaft (18), the first impeller (15) is arranged outside the impeller shaft through a first shaft sleeve (19), the second impeller (16) is arranged outside the impeller shaft through a second shaft sleeve (20), a balance disc (21) is also arranged on one side of the third impeller (17), the balance disc (21) is arranged outside the impeller shaft, one end of the impeller shaft is provided with an air inlet end (22), the joint of the impeller shaft and the main shaft (18) is provided with an air inlet end fastening hoop (23), the other end of the impeller shaft is provided with an exhaust end, and the joint of the impeller shaft and the main shaft is also provided with an exhaust end fastening hoop (24).

3. The multi-stage turbine vacuum machine for soda ash and combined soda as claimed in claim 1, wherein: the stator (2) comprises an upper shell (25) and a lower shell (26), the bottom of the upper shell (25) is provided with the lower shell (26), a bearing cover (27) is arranged in the center of the outer side surface of the upper shell (25), a shaft cover (28) is arranged at the bearing cover (27), a rubber pad (29) is arranged between the bearing cover (27) and the shaft head cover (28), and the bearing device also comprises a thrust bearing (30), the thrust bearing (30) extends into the shaft head cover (28), the thrust bearing cover (31) is arranged on the outer side of the thrust bearing (30), a temperature measuring probe (32) is arranged above the thrust bearing (30), the temperature measuring probe (32) is arranged on a temperature measuring probe mounting bracket (33), and an air inlet seal (34) and an exhaust seal (35) are respectively arranged at two ends of the upper machine shell (25), and an exhaust baffle plate (36) is arranged above the exhaust seal (35).

4. The multi-stage turbine vacuum machine for soda ash and combined soda as claimed in claim 3, wherein: the inner cavity of the upper machine shell (25) is further provided with a first impeller seal (37), a second impeller seal (38) and a third impeller seal (39) respectively, a first partition plate (40) is arranged above the first impeller seal (37), a second partition plate (41) is arranged above the second impeller seal (38), a third partition plate (42) is arranged above the third impeller seal (39), an interstage seal (43) is arranged between every two adjacent impellers, and a balance disc seal (44) is arranged on the balance disc.

5. The multi-stage turbine vacuum machine for soda ash and combined soda as claimed in claim 1, wherein: still include support bearing (45), support bearing (45) are installed in upper casing (25) exhaust end outside, support bearing pressure lid (46) are installed to support bearing (45) go up, support bearing (45) outside sets up bearing frame seal (47), still install vibration measuring probe (48) between support bearing (45) and upper casing (25), vibration measuring probe (48) are installed in vibration measuring probe installing support (49).