CN217713054U - Lubricating system for single-stage high-speed centrifugal blower - Google Patents
Lubricating system for single-stage high-speed centrifugal blower Download PDFInfo
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- CN217713054U CN217713054U CN202221628396.0U CN202221628396U CN217713054U CN 217713054 U CN217713054 U CN 217713054U CN 202221628396 U CN202221628396 U CN 202221628396U CN 217713054 U CN217713054 U CN 217713054U
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Abstract
The utility model discloses a lubricating system for a single-stage high-speed centrifugal blower, which comprises a lubricating oil tank, a main oil pump, an auxiliary oil pump, an oil cooler and an oil filter; the left and right sides of the top of the lubricating oil tank are provided with a gear box and a motor, and the motor is linked with the gear box; the top of the lubricating oil tank is provided with a main oil pump, the front side surface of the lubricating oil tank is provided with an oil cooler, and the top of the lubricating oil tank is provided with an oil filter relative to the front side of the motor; one end of the main oil pump is communicated with the interior of the lubricating oil tank, and the other end of the main oil pump is sequentially communicated with the oil cooler and the oil filter in a sealing manner and is communicated with the gear box in a sealing manner through a gear box flange to form a main lubricating loop; an auxiliary oil pump is arranged on the rear side face of the lubricating oil tank, one end of the auxiliary oil pump is communicated with the interior of the lubricating oil tank in a sealing mode, the other end of the auxiliary oil pump is communicated with the one-way valve and the oil cooler in a sealing mode sequentially through an oil pipe, and then an auxiliary lubricating loop is formed by the oil filter and the gear box sequentially. The utility model is suitable for a lubrication, cooling and the oil return of high-speed centrifugal air-blower of unit.
Description
Technical Field
The utility model relates to a centrifugal blower field, concretely relates to lubricating system for single-stage high-speed centrifugal blower.
Background
The lubricating system has great influence on the performance index, the working reliability and the durability of the fan, is a guarantee system for forming a liquid lubricating state for each bearing of the unit, and is a main condition for reducing the friction of a bearing bush, taking away the friction heat, reducing the abrasion and realizing the long-period safe operation of the fan; therefore, the lubricating system has high requirements on the tightness and the cleanliness of the lubricating system in operation and the reliability of each part. Therefore, the above problems need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a lubricating system for single-stage high-speed centrifugal blower, simple structure, the installation is overhauld conveniently, and the leakproofness is good, and is easy clean, is applicable to lubrication, cooling and the oil return of unit high-speed centrifugal blower.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a lubricating system for single-stage high-speed centrifugal blower, its innovation point lies in: the oil cooler comprises a lubricating oil tank, a main oil pump, a main oil suction pipe, an auxiliary oil pump, an auxiliary oil suction pipe, an oil cooler, an oil filter and a gear box flange; a gear box and a motor are arranged on the top of the lubricating oil tank horizontally and transversely at intervals from left to right, and the motor is linked with the gear box; a main oil pump is arranged at the top of the lubricating oil tank relative to the space between the motor and the gear box, an oil cooler is horizontally and transversely arranged on the front side surface of the lubricating oil tank, and an oil filter is arranged at the top of the lubricating oil tank relative to the front side of the motor; one end of the main oil pump is communicated with the interior of the lubricating oil tank in a sealing manner through a main oil suction pipe, and the other end of the main oil pump is communicated with the oil cooler and the oil filter in a sealing manner through an oil pipe and then communicated with the gear box in a sealing manner through a gear box flange to form a main lubricating loop; an auxiliary oil pump is arranged on the rear side face of the lubricating oil tank, one end of the auxiliary oil pump is communicated with the interior of the lubricating oil tank in a sealing mode through an auxiliary oil suction pipe, the other end of the auxiliary oil pump is communicated with the one-way valve and the oil cooler in a sealing mode through an oil pipe in sequence, and then an auxiliary lubricating loop is formed through the oil filter and the gear box in sequence.
Preferably, a gear box bottom plate and a motor supporting plate group are horizontally and fixedly arranged on the top of the lubricating oil tank at intervals, the gear box is fixed to the gear box bottom plate in a screwed mode, a rectangular groove is formed in the gear box bottom plate in an embedded mode, the gear box is communicated with the lubricating oil tank through the rectangular groove in a sealed mode, and the motor is fixed to the motor supporting plate group in a screwed mode, is in linkage connection with the gear box and is arranged in a mode of not interfering with a main lubricating loop and an auxiliary lubricating loop respectively.
Preferably, the oil cooler is a shell-and-tube cooler, a cooling water channel and a lubricating oil channel are arranged in the oil cooler, and the oil temperature of the lubricating oil is controlled to be 35 to 45 ℃ through heat exchange.
Preferably, a cooling water inlet and a cooling water outlet are further respectively provided at one end of the oil cooler close to the gear box, and the cooling water inlet and the cooling water outlet respectively form a loop with the cooling water channel inside the oil cooler, and cool down the lubricating oil entering the lubricating oil channel inside the oil cooler through heat exchange.
Preferably, the main oil suction pipe is arranged at the top of the lubricating oil tank relative to the middle position between the motor and the gear box, the auxiliary oil suction pipe is arranged at the rear side of the lubricating oil tank relative to the middle position between the motor and the gear box, and a safety valve is further communicated with an oil pipe between the auxiliary oil pump and the auxiliary oil suction pipe.
Preferably, an oil mist separator, a first platinum thermal resistor, an electric heater and a pressure gauge are further sequentially arranged at the top of the lubricating oil tank at intervals between the motor and the gear box, the oil mist separator, the first platinum thermal resistor, the electric heater and the pressure gauge are respectively communicated with the interior of the lubricating oil tank in a sealing mode, are respectively arranged in a non-interfering mode with the main lubricating circuit and the auxiliary lubricating circuit, and are used for adjusting and controlling the oil temperature in the lubricating oil tank through the first platinum thermal resistor and the electric heater.
Preferably, a liquid level meter is further vertically arranged on the rear side surface of the lubricating oil tank relative to the gear box, and the liquid level of the lubricating oil in the lubricating oil tank is observed through the liquid level meter.
Preferably, the device also comprises a cross joint; a cross joint is further communicated and arranged on one side, close to the oil filter, of the oil pipe between the oil filter and the gear box flange, and the lower port of the cross joint is hermetically communicated with the interior of the lubricating oil tank through the oil pipe for pressure relief; and a pipe joint is arranged at the upper port of the four-way joint and is connected with a differential pressure switch on the oil filter through a pressure sampling pipe.
Preferably, a second platinum thermal resistor and a pressure transmitter are sequentially communicated with one side of the oil pipe between the oil filter and the gear box flange, close to the gear box flange, at intervals, and the temperature and the oil supply pressure of lubricating oil entering the gear box are displayed through the second platinum thermal resistor and the pressure transmitter.
Preferably, an electric control cabinet is further arranged on the top of the lubricating oil tank relative to the front side of the motor, the electric control cabinets are arranged on the right side of the oil filter at intervals, and a control point of the lubricating system is integrated in the electric control cabinet.
The utility model has the advantages that: the utility model discloses simple structure, the installation and maintenance is convenient, and the leakproofness is good, and is easy clean, is applicable to lubrication, cooling and the oil return of the high-speed centrifugal air-blower of unit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lubricating system for a single-stage high-speed centrifugal blower according to the present invention.
Fig. 2 is a schematic structural diagram of the lubricating oil tank of the present invention.
Fig. 3 is a schematic structural view of fig. 2 from another view angle.
Wherein, 1-oil mist separator; 2-a one-way valve; 3-motor supporting plate group; 4-a first platinum thermistor; 5-lubricating oil tank; 6-a main oil pump; 7-a second platinum thermistor; 8-a pressure transmitter; 9-an oil cooler; 10-an oil filter; 11-an electric control cabinet; 12-an auxiliary oil pump; 13-a safety valve; 14-a liquid level meter; 15-pressure gauge; 16-an electric heater; 17-a motor; 18-a gearbox; 19-a gear box bottom plate; 20-a main oil suction pipe; 21-an auxiliary oil suction pipe; gear box flange 22.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model discloses a single-stage high-speed centrifugal blower lubricating system, including lubricating-oil tank 5, main oil pump 6, main oil suction pipe 20, supplementary oil pump 12, supplementary oil suction pipe 21, oil cooler 9, oil filter 10 and gear box flange 22; the structure is as shown in 1~3, a gear box bottom plate 19 and a motor supporting plate group 3 are horizontally and fixedly arranged on the top of a lubricating oil tank 5 horizontally and horizontally arranged at left and right intervals, a gear box 18 is fixedly connected to the gear box bottom plate 19 in a threaded manner, a rectangular groove is formed in the gear box bottom plate 19 in an embedded manner, the gear box 18 is communicated with the lubricating oil tank 5 through the rectangular groove in a sealing manner, and a motor 17 is fixedly connected to the motor supporting plate group 3 in a threaded manner, is in linkage connection with the gear box 18 and is arranged in a non-interfering manner with a main lubricating loop and an auxiliary lubricating loop respectively. Wherein, the lubricating oil tank 5 is formed by welding and assembling square steel and steel plates, and has simple manufacture and lower cost. The utility model discloses place motor 17 wholly on motor supporting plate group 3, saved the space.
The utility model is provided with a main oil pump 6 between the top of the lubricating oil tank 5 and the gear box 18 relative to the motor 17, and is horizontally provided with an oil cooler 9 on the front side surface, and is provided with an oil filter 10 on the top relative to the front side of the motor 17; as shown in fig. 1~3, the main oil suction pipe 20 is disposed at the top of the lubricating oil tank 5 at a middle position between the motor 17 and the gear case 18, one end of the main oil pump 6 is hermetically communicated with the interior of the lubricating oil tank 5 through the main oil suction pipe 20, and the other end of the main oil pump is hermetically communicated with the oil cooler 9 and the oil filter 10 in sequence through oil pipes, and then is hermetically communicated with the gear case 18 through the gear case flange 22 to form a main lubricating circuit; as shown in fig. 1~3, an auxiliary oil pump 12 is provided at the rear side surface of the lubricating oil tank 5, and an auxiliary oil suction pipe 21 is provided between the rear side surface of the lubricating oil tank 5 opposite to the motor 17 and the gear case 18; one end of the auxiliary oil pump 12 is hermetically communicated with the interior of the lubricating oil tank 5 through an auxiliary oil suction pipe 21, and the other end of the auxiliary oil pump is hermetically communicated with the check valve 2 and the oil cooler 9 in sequence through oil pipes, and then sequentially forms an auxiliary lubricating loop through the oil filter 10 and the gear box 18. Wherein, a safety valve 13 is also communicated with the oil pipe between the auxiliary oil pump 12 and the auxiliary oil suction pipe 21.
The oil cooler 9 of the utility model adopts a shell-and-tube cooler, a cooling water channel and a lubricating oil channel are arranged in the shell-and-tube cooler, and the temperature of the lubricating oil is controlled within 35 to 45 ℃ through heat exchange; as shown in fig. 1~3, a cooling water inlet and a cooling water outlet are further provided at one end of the oil cooler 9 close to the gear case 18, respectively, and the cooling water inlet and the cooling water outlet form a loop with a cooling water passage inside the oil cooler 9, respectively, and cool down the lubricating oil entering the lubricating oil passage inside the oil cooler 9 by heat exchange. The utility model discloses oil cooler 9 adopts shell-and-tube cooler, and is energy-efficient, and heat exchange efficiency is high, long service life, compact structure, simple to operate washs portably.
The utility model discloses still be equipped with oil mist separator 1 for motor 17 and gear box 18 interval in proper order at lubricating-oil tank 5's top, first platinum resistance 4, electric heater 16 and manometer 15, as shown in fig. 1~3, oil mist separator 1, first platinum resistance 4, electric heater 16 and manometer 15 communicate with lubricating-oil tank 5's internal seal respectively, and set up with main lubrication return circuit and supplementary lubrication return circuit mutually noninterfere respectively, and carry out regulation and control through the oil temperature of first platinum resistance 4 and electric heater 16 in to lubricating-oil tank 5. The utility model discloses after oil-gas mixture got into oil mist separator 1, gas density is less, discharges from the top, and lubricating oil instils into lubricating-oil tank 5 again.
As shown in fig. 1~3, a level gauge 14 is also vertically provided at the rear side surface of the lubricating oil tank 5 at a position opposite to the gear case 18, and the level of lubricating oil inside the lubricating oil tank 5 is observed by the level gauge 14.
The utility model is also provided with a cross joint on the oil pipe between the oil filter 10 and the gear box flange 22 near the oil filter 10, as shown in 1~3, the lower port of the cross joint is communicated with the inner part of the lubricating oil tank 5 through the oil pipe for pressure relief; the upper port of the cross is provided with a pipe joint, and the pipe joint is connected with a differential pressure switch on the oil filter 10 through a pressure sampling pipe.
As shown in fig. 1~3, a second platinum thermal resistor 7 and a pressure transmitter 8 are further sequentially arranged on the oil pipe between the oil filter 10 and the gear box flange 22 at intervals and close to the gear box flange 22, and the temperature and the oil supply pressure of the lubricating oil entering the gear box 18 are displayed through the second platinum thermal resistor 7 and the pressure transmitter 8.
As shown in 1~3, still be equipped with automatically controlled cabinet 11 for motor 17 front side at the top of lubricating-oil tank 5, automatically controlled cabinet 11 interval sets up on the right side of oil filter 10, and lubricating system's control point is integrated in automatically controlled cabinet 11 and is gone into user's DCS centralized control system, realizes the utility model discloses lubricating system's automatic operation control.
The utility model discloses a lubricating system can also external high-order oil tank, and high-order oil tank sets up and is not less than 5m departments apart from centrifugal blower axial lead, and is located centrifugal blower directly over, right the utility model discloses lubricating system plays the guard action. The high-level oil tank can adopt the prior art, and the cylinder body is formed by rolling a steel plate. One end of the high-level oil tank is respectively communicated with the lubricating oil tank and the gear box in a sealing way through the three valve groups through the oil pipe, and an oil overflow port of the high-level oil tank is communicated with the interior of the lubricating oil tank in a sealing way through the oil pipe and the sight glass. The working principle is divided into three states:
a. a starting-up state: the stop valve in the three valve groups is opened, lubricating oil is supplied to the high-level oil tank through the stop valve, and when the lubricating oil overflows from the sight glass at the oil overflow port, the stop valve is closed;
b. and (4) a normal state: lubricating oil enters the high-level oil tank through a flow-limiting orifice plate in the three-valve group and then flows back to the lubricating oil tank through an oil overflow port, so that the replacement of the lubricating oil in the high-level oil tank is ensured;
c. and (3) an accident state: the lubricating oil in the high-level oil tank flushes the check valves in the three valve groups through the action of gravity and flows back to the gear box.
The utility model discloses a theory of operation:
(1) Before the centrifugal blower is started, the main oil pump 6 is not put into normal operation, at the moment, the auxiliary oil pump 12 is started to absorb oil from the side face of the lubricating oil tank 5, the lubricating oil enters the gear box 18 for lubrication through the check valve 2, the oil cooler 9 and the oil filter 10 in sequence, and then redundant lubricating oil enters the lubricating oil tank 5 through a rectangular groove in a bottom plate 19 of the gear box to form an auxiliary lubricating loop;
(2) When the main oil pump 6 runs normally and the oil supply pressure rises to a set value, the auxiliary oil pump 12 stops working automatically, the main oil pump 6 starts to suck oil from the top of the lubricating oil tank 5, the lubricating oil enters the gear box 18 for lubrication through the oil cooler 9 and the oil filter 10 in sequence, and then redundant lubricating oil enters the lubricating oil tank 5 through the rectangular groove in the bottom plate 19 of the gear box to form a main lubricating loop.
The utility model has the advantages that: the utility model discloses simple structure, the installation and maintenance is convenient, and the leakproofness is good, and is easy clean, is applicable to lubrication, cooling and the oil return of the high-speed centrifugal air-blower of unit.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (10)
1. The utility model provides a single-stage high speed centrifugal blower is with lubricating system which characterized in that: the oil cooler comprises a lubricating oil tank, a main oil pump, a main oil suction pipe, an auxiliary oil pump, an auxiliary oil suction pipe, an oil cooler, an oil filter and a gear box flange; a gear box and a motor are arranged on the top of the lubricating oil tank horizontally and transversely at intervals from left to right, and the motor is linked with the gear box; a main oil pump is arranged at the top of the lubricating oil tank relative to the space between the motor and the gear box, an oil cooler is horizontally and transversely arranged on the front side surface of the lubricating oil tank, and an oil filter is arranged at the top of the lubricating oil tank relative to the front side of the motor; one end of the main oil pump is communicated with the interior of the lubricating oil tank in a sealing manner through a main oil suction pipe, and the other end of the main oil pump is communicated with the oil cooler and the oil filter in a sealing manner through an oil pipe and then communicated with the gear box in a sealing manner through a gear box flange to form a main lubricating loop; an auxiliary oil pump is arranged on the rear side face of the lubricating oil tank, one end of the auxiliary oil pump is communicated with the interior of the lubricating oil tank in a sealing mode through an auxiliary oil suction pipe, the other end of the auxiliary oil pump is communicated with the one-way valve and the oil cooler in a sealing mode through an oil pipe in sequence, and then an auxiliary lubricating loop is formed through the oil filter and the gear box in sequence.
2. The lubrication system for a single-stage high-speed centrifugal blower according to claim 1, wherein: the lubricating oil tank is characterized in that a gear box bottom plate and a motor supporting plate group are horizontally and fixedly arranged on the top of the lubricating oil tank at intervals, a gear box is fixed on the gear box bottom plate in a screwed mode, a rectangular groove is formed in the gear box bottom plate in an embedded mode, the gear box is communicated with the internal seal of the lubricating oil tank through the rectangular groove, and a motor is fixed on the motor supporting plate group in a screwed mode, is in linkage connection with the gear box and is arranged in a mutually-noninterfere mode with a main lubricating loop and an auxiliary lubricating loop respectively.
3. The lubrication system for a single-stage high-speed centrifugal blower according to claim 1, wherein: the oil cooler is a shell-and-tube cooler, a cooling water channel and a lubricating oil channel are arranged in the oil cooler, and the temperature of the lubricating oil is controlled to be 35-45 ℃ through heat exchange.
4. The lubrication system for a single stage high speed centrifugal blower of claim 3, wherein: and one end of the oil cooler close to the gear box is also respectively provided with a cooling water inlet and a cooling water outlet, the cooling water inlet and the cooling water outlet respectively form a loop with a cooling water channel inside the oil cooler, and the lubricating oil entering a lubricating oil channel inside the oil cooler is cooled through heat exchange.
5. The lubrication system for a single stage high speed centrifugal blower of claim 1 wherein: the main oil suction pipe is arranged at the top of the lubricating oil tank relative to the middle position between the motor and the gear box, the auxiliary oil suction pipe is arranged on the rear side surface of the lubricating oil tank relative to the position between the motor and the gear box, and a safety valve is communicated with an oil pipe between the auxiliary oil pump and the auxiliary oil suction pipe.
6. The lubrication system for a single stage high speed centrifugal blower of claim 1 wherein: the top of the lubricating oil tank is provided with an oil mist separator, a first platinum thermal resistor, an electric heater and a pressure gauge at intervals in sequence relative to the space between the motor and the gear box, the oil mist separator, the first platinum thermal resistor, the electric heater and the pressure gauge are respectively communicated with the interior of the lubricating oil tank in a sealing manner, are respectively arranged with the main lubricating loop and the auxiliary lubricating loop in a non-interfering manner, and are used for adjusting and controlling the oil temperature in the lubricating oil tank through the first platinum thermal resistor and the electric heater.
7. The lubrication system for a single stage high speed centrifugal blower of claim 1 wherein: and a liquid level meter is also vertically arranged at the position of the rear side surface of the lubricating oil tank relative to the gear box, and the liquid level of the lubricating oil in the lubricating oil tank is observed through the liquid level meter.
8. The lubrication system for a single stage high speed centrifugal blower of claim 1 wherein: also comprises a cross joint; a cross joint is further communicated and arranged on one side, close to the oil filter, of the oil pipe between the oil filter and the gear box flange, and the lower port of the cross joint is hermetically communicated with the interior of the lubricating oil tank through the oil pipe for pressure relief; and a pipe joint is arranged at the upper port of the four-way joint and is connected with a differential pressure switch on the oil filter through a pressure sampling pipe.
9. The lubrication system for a single-stage high-speed centrifugal blower according to claim 8, wherein: and a second platinum thermal resistor and a pressure transmitter are sequentially communicated on one side of the oil pipe between the oil filter and the gear box flange, close to the gear box flange, at intervals, and the temperature and the oil supply pressure of the lubricating oil entering the gear box are displayed through the second platinum thermal resistor and the pressure transmitter.
10. The lubrication system for a single-stage high-speed centrifugal blower according to claim 1, wherein: and the top of the lubricating oil tank is also provided with an electric control cabinet relative to the front side of the motor, the electric control cabinets are arranged on the right side of the oil filter at intervals, and a control point of a lubricating system is integrated in the electric control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221628396.0U CN217713054U (en) | 2022-06-28 | 2022-06-28 | Lubricating system for single-stage high-speed centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221628396.0U CN217713054U (en) | 2022-06-28 | 2022-06-28 | Lubricating system for single-stage high-speed centrifugal blower |
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| Publication Number | Publication Date |
|---|---|
| CN217713054U true CN217713054U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221628396.0U Active CN217713054U (en) | 2022-06-28 | 2022-06-28 | Lubricating system for single-stage high-speed centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713054U (en) |
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2022
- 2022-06-28 CN CN202221628396.0U patent/CN217713054U/en active Active
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