KR101009582B1 - Blower for high temperature environment - Google Patents

Blower for high temperature environment Download PDF

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Publication number
KR101009582B1
KR101009582B1 KR1020100058126A KR20100058126A KR101009582B1 KR 101009582 B1 KR101009582 B1 KR 101009582B1 KR 1020100058126 A KR1020100058126 A KR 1020100058126A KR 20100058126 A KR20100058126 A KR 20100058126A KR 101009582 B1 KR101009582 B1 KR 101009582B1
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KR
South Korea
Prior art keywords
adapter
hollow pipe
external
blower
impeller
Prior art date
Application number
KR1020100058126A
Other languages
Korean (ko)
Inventor
권혁진
양상호
임순규
Original Assignee
(주)삼원이앤비
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Priority to KR1020100058126A priority Critical patent/KR101009582B1/en
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Publication of KR101009582B1 publication Critical patent/KR101009582B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00—Cooling of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/46—Fans, e.g. ventilators

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Provides a blower for high temperature environment.
The present invention is a blower equipped with an impeller rotated by the rotational driving force of the drive motor to forcibly suck the gas heated up to a predetermined temperature into the intake port and then discharges it through the exhaust port, the impeller is mounted at one end via the lock nut An outer rotary shaft having an inner hole at one end of which is closed and the other end thereof open to the body, being rotatably supported by at least one bearing member to be rotated by a driving force of the driving motor; An inner hollow pipe inserted into the inner hole so as to form a predetermined size interval between the inner surface of the inner hole; An adapter unit having an external adapter assembled with the other end of the external rotating shaft and having an internal adapter connected to the other end of the internal hollow pipe through the external adapter; And an outer fixing body rotatably supporting the inner rotating body assembled with the outer adapter, the outlet for discharging the coolant guided between the inner hole and the inner hollow pipe and the other end of the inner adapter fixed to the outer fixing body. And a rotary joint part provided with an inlet for supplying cooling water to supply the cooling water into the inner hollow pipe while supporting rotation of the external rotating shaft.

Figure R1020100058126

Description

Blower for High Temperature Environment

The present invention relates to a blower used in a high temperature environment, and more particularly to the deterioration of the bearing member and the lubricating oil filled therein to support the rotating shaft by blocking or cooling the heat transmitted to the rotating shaft during the blowing in a high temperature environment by the cooling water circulated. The present invention relates to a blower for a high temperature environment which can prevent and loosen lock nuts due to thermal expansion while keeping the viscosity of lubricating oil constant.

Generally, the blower is a machine that plays a pivotal role in energy conversion, and is used for air intake / exhaust, air conditioning, and air purification in buildings to improve human life, as well as for industrial manufacturing processes, power generation facilities, and boilers. It is the most important and widely used fluid machinery that has been greatly supported by industrial development for the supply of combustion air, the intake and exhaust of subways and tunnels and mines.

The blower is composed of an outer casing, an impeller rotatably disposed therein, and a driving motor for rotating and driving the inner casing. The outer casing joins a plurality of steel plate members by bending and screwing or welding to form an inner part of the blower. It is manufactured to have a space, and has an intake port for sucking gas and an exhaust port for discharging the intake gas.

The intake port and the exhaust port are respectively connected to the intake duct and the exhaust duct on the outer circumferential surface of the outer casing.

The impeller is a rotary body having a predetermined diameter and is integrally equipped with a plurality of braids fixedly installed at predetermined intervals along the outer circumferential surface thereof and is mounted at an end of a rotating shaft driven by a driving force of the driving motor, and thus the inner space of the outer casing. Is rotatably mounted on the rotating shaft, and the rotating shaft is held by a plurality of bearing members.

On the other hand, the furnace for melting molten iron ore in the steel mill is provided with a blower having a predetermined amount of air flow to supply a high-temperature gas into the furnace through a blower pipe connected to a plurality of tuyere installed in the lower portion.

However, since such a blower forcibly sucks gas heated up to a temperature of 700 degrees or higher, which is relatively higher than the atmospheric temperature, through the intake port of the outer casing by the impeller's rotation force, and then discharges it through the exhaust port, the heat of the hot gas is rotated through the rotating shaft. It is transmitted to the bearing member supporting the.

In this case, when the temperature of the heat transferred to the bearing member lubricated by the lubricating oil such as oil or grease is higher than the heat resistance temperature of the lubricating oil, the viscosity of the lubricating oil is thinned and loses its function as a lubricating oil. Or shorten the time to replace.

In addition, if the viscosity management is not kept constant due to deterioration of the lubricating oil, it acted as a cause of damage to the bearing member, which is a key component, and causing a large accident of the equipment.

Then, the lock nut fixing the impeller at the tip of the rotating shaft is thermally expanded by the heat transmitted to the rotating shaft, and is released during operation of the blower.

Accordingly, the present invention is to solve the above problems, the object of the bearing member and the lubricating oil filled therein to support the rotating shaft by blocking or cooling the heat transferred to the rotating shaft during the blowing in a high temperature environment by the cooling water circulated The present invention aims to provide a blower for a high temperature environment that can prevent deterioration and prevent loosening of the lock nut due to thermal expansion while maintaining a constant viscosity of the lubricating oil.

As a specific means for achieving the above object, the present invention, in the blower having an impeller rotated by the rotational driving force of the drive motor forcibly sucked gas heated to a predetermined temperature into the intake port and then discharged through the exhaust port, the impeller Is provided at one end of the body via a lock nut, one side corresponding to the impeller is sealed, and the other side corresponding to the drive motor is provided with a predetermined length of the inner hole in the body in the longitudinal direction, at least one bearing An external rotating shaft rotatably supported by the member and rotated by a driving force of the driving motor; An inner hollow pipe inserted into the inner hole so as to form a predetermined gap between the inner surface of the inner hole; an outer adapter assembled with the other end of the outer rotation shaft, and penetrating through the outer adapter An adapter unit having an internal adapter connected to the other end of the hollow pipe; And an outer fixing body rotatably supporting the inner rotating body assembled with the outer adapter, the outlet for discharging the coolant guided between the inner hole and the inner hollow pipe and the other end of the inner adapter fixed to the outer fixing body. Provided with an inlet for supplying the cooling water to provide a high temperature environment blower comprising a rotary joint for supplying the cooling water into the inner hollow pipe while supporting the rotation of the external rotary shaft.

Preferably, the lock nut is coupled to the left and right pair of nut main body having a semi-circular groove recessed to contact the outer surface of the nut engaging portion protruding from one end of the external rotation shaft, and the end through the through hole formed in the nut body It includes a plurality of fixing bolts fixed by the fixing nut.

Preferably, the outer rotation shaft corresponding to the bearing member and the impeller is provided with a water jacket filled with a coolant on one side and a heat insulating portion made of a heat insulating material.

Preferably, the outer rotor corresponding to the vicinity of the bearing member is provided with at least one heat dissipation member made of a metal material having excellent thermal conductivity.

Preferably, the inner adapter is a plurality of mounted at regular intervals in the circumferential direction to contact the inner circumferential surface of the inner hole on the outer circumferential surface of the other end of the inner hollow pipe, the connection pipe is inserted into the inside of the second spacer bent at right angles It is connected to the other end of the inner hollow pipe, the outer adapter is connected to the inner rotor by a fastening member fastened to the contact flange provided on one end of the inner rotor.

Preferably, the cooling water discharge space between the outer fixing body and the inner adapter is provided with a spring member for elastically supporting the inner rotating body toward the outer adapter.

According to the present invention, the inner hollow pipe is inserted into the inner hole of the outer rotating shaft rotatably supported by the bearing member and rotated by the driving force of the driving motor, and the external adapter assembled with the other end of the outer rotating shaft passes through the outer adapter. It has an internal adapter connected to the internal hollow pipe, and the outlet for discharging the coolant to the outer fixing body rotatably supporting the inner rotor assembled with the outer adapter to the other end of the inner adapter fixed to the outer fixing body. By supplying the inlet to supply the external rotating shaft heated to high temperature by the heat transmitted to the external rotating shaft due to the high temperature gas while supporting the rotation of the external rotating shaft during the blown by the rotary drive of the impeller to the inner hollow pipe and the inner hole Because it is cooled by circulating coolant, it is bare Preventing the member and deterioration of the lubricant to be filled thereto, and it is possible to maintain the lubricating viscosity to reliably prolong the service life, which may prevent damage to the other hand, it is possible to use a lubricant in the cost.

In addition, it is possible to prevent the loosening caused by thermal expansion of the lock nut fixing the impeller to the tip of the external rotary shaft to prevent a large accident that the impeller is separated during the blowing.

1 is an overall configuration diagram showing a blower for a high temperature environment according to an embodiment of the present invention.
2 is an exploded perspective view showing a blower for a high temperature environment according to an embodiment of the present invention.
FIG. 3 is a detailed cross-sectional view illustrating an assembled state between a rotary part and an external rotary shaft that are employed in a high temperature environment blower according to an exemplary embodiment of the present invention.
Figure 4 (a) (b) is a front view and a side view showing a heat radiating member employed in the blower for a high temperature environment according to an embodiment of the present invention.

Preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

The high temperature environment blower 100 according to the embodiment of the present invention, as shown in Figures 1 to 4, the outer rotary shaft 110, the inner hollow pipe 120, the adapter 130 and the rotary joint 140 Including a) by the impeller driven in one direction as a rotational driving force of the drive motor is forced to suck the gas heated up to a constant temperature, up to 800 degrees into the intake port and then circulates the heat transmitted through the rotating shaft during the blowing process to discharge through the exhaust port It is possible to prevent deterioration of the bearing member that supports the rotating shaft by forcibly cooling with cooling water.

The external rotating shaft 110 is a predetermined length shaft member is detachably assembled at one end via the lock nut 111 the impeller 101.

The left and right pairs of lock nuts 111 fastened to the nut fastening portion 113a protruding from one end of the external rotation shaft 110 have a semicircular groove 111b recessed to contact the outer surface of the nut fastening portion 113a. And a plurality of fixing bolts 111c fixed by a nut body 111a of the nut body 111a and a fixing nut 111d fastened to an end portion passing through the through hole 111e formed in the nut body 111a.

Accordingly, the impeller 101 inserted into one end of the external rotating shaft 110 is firmly assembled so that separation and separation is difficult due to the coupling force of the nut body 111a of the lock nut 111 divided into left and right pairs.

Here, the lock nut 111 is heated in direct contact with the gas heated to a high temperature during blowing by the rotational driving of the impeller 110, made of a metal material relatively lower than the thermal expansion coefficient of the external rotating shaft 110 It is preferable.

The assembly hole 101a formed at the center of the impeller 101 has an inner surface, and the external assembly surface 113b of the external rotating shaft 110 corresponding to the assembly hole 10a1 has a wedge force when the lock nut 111 is fastened. While generating the lock nut 111 is preferably formed to be inclined at an angle to facilitate the separation from the external rotation shaft 110 during disassembly.

One end of the lock nut is assembled to the body of the external rotating shaft 110 and the other end of the outer rotating shaft 110 is opened to have an inner hole 112 into which the inner hollow pipe is inserted.

At least one bearing member 115 is provided on the outer surface of the body of the external rotating shaft 110 to support the rotational drive by the driving force of the driving motor, and at least one to transmit the driving force of the driving motor to the external rotating shaft 110. A pulley 114 is provided to connect with the belt.

The bearing member 115 is firmly fixed to the external rotating shaft 110 by the lock nut 115a for bearing fixing, and a ball bearing or a roller bearing may be selectively used, and lubricating oil such as grease is filled.

In addition, the external rotating shaft 110 corresponding to the bearing member 115 and the impeller 101 is blocked by the transfer of radiant heat due to the gas heated to the bearing member 115 side of the bearing member 115 and lubricating oil Including a water jacket 116 to which the coolant is circulated and supplied to one side to prevent deterioration, and includes a heat insulating part 117 made of a heat insulating material, and the inlet 116a into which the coolant flows. And discharge outlets 116b, respectively.

Here, the inlet 116a and the outlet 116b of the water jacket 116 is preferably provided on one side corresponding to the bearing member, the heat insulating portion 117 is relatively than the outer diameter of the impeller 101 It is preferable to have a circular cross section with a large outer diameter size.

In addition, the external rotation shaft 110 corresponding to the vicinity of the bearing member 115 prevents the radiant heat due to the gas heated up toward the bearing member 115 from being transmitted to the external rotating body 110. In order to increase efficiency, at least one heat dissipation member 118 made of aluminum, copper, and an alloy thereof and made of a metal material having a thermal conductivity relatively superior to that of the external rotating shaft 110 is provided.

The heat dissipation member 118 is provided with a semicircular groove 118b recessed to contact the outer surface of the external rotating shaft 110, as shown in Fig. 4 (a) (b), the slot on the heat dissipation fin on the semi-circular cross section And a pair of heat sinks 118a formed so as not to overlap the balls, and the pair of heat sinks 118a are externally connected by fastening members 118e fastened through through holes 118d that are matched during molding. Removably assembled to the outer surface of the body of the rotating shaft (110).

The inner hollow pipe 120 forms a predetermined size interval between the inner surface of the inner hole 112 formed in the body of the outer rotation shaft 110 to form a flow path through which the coolant is guided. It is inserted through the open rear end of the pipe member of a predetermined length disposed in the inner hole.

The inner hollow pipe 120 provided with a relatively shorter length than the inner hole 112 has a predetermined interval in the circumferential direction to form a predetermined size interval between the inner surface of the inner hole 112 on the outer surface of the body. It is provided with a plurality of linear first spacer 122 to be mounted integrally, the front end of the inner hollow pipe 120 is spaced apart at a predetermined interval from the closed end of the inner hole (112).

Accordingly, the coolant supplied to the inside of the inner hollow pipe 120 is supplied to the space between the front end of the inner hollow pipe and the closed end of the inner hole 112 and then by the first spacer 122. In the process of circulating to the outside through the passage between the inner circumferential surface of the inner hole 112 and the outer surface of the inner hollow pipe 120 is formed to exchange heat with the heat transmitted to the external rotating shaft to cool it.

The adapter unit 130 is an external adapter 131 which is assembled with the other end of the external rotary shaft 110, and an internal adapter which is connected to the other end of the inner hollow pipe 120 through the outer adapter 131 ( 132).

The external adapter 131 has an assembly hole 133a assembled with the fastening member 133 fastened to the fastening hole 119 formed at the other end of the external rotation shaft 110, and the internal adapter 132 passes therethrough. It is made of a hollow cylinder member having a central hole (131a).

The external adapter 131 is connected and assembled as the contact flange 145 and the fastening member 146 of the rotary joint portion 140, the central hole 131a is an inner diameter size larger than the outer diameter of the inner adapter 132 Is provided to form a discharge passage of the cooling water heat exchanged with heat transferred to the external rotary shaft (110).

The inner adapter 132 is mounted on the outer circumferential surface of the other end of the inner hollow pipe with a plurality of intervals in a circumferential direction so as to contact the inner circumferential surface of the inner hole 112, and to the inside of the second spacer 125 bent at a right angle. It is connected to the other end of the inner hollow pipe 120 via the connecting pipe 135 is inserted.

Here, the inner surface of the connection pipe 135 is provided with an O-ring member 135a in contact with the outer surface of the inner adapter 132 to prevent the outflow of the cooling water supplied into the inner hollow pipe through the inner adapter.

The rotary joint part 140 supports the rotation of the external rotating shaft 110, while the external fixing body 141, the internal rotating body 142, so as to smoothly supply the cooling water through the internal hollow pipe 120, Inlet 144 and outlet 146.

The outer fixing body 141 is a fixed structure rotatably supporting the inner rotating body 142 rotated together with the outer rotating shaft 110 is assembled through the inner rotating body 142 and the bearing member 143. In addition, the outer surface of the outer fixing body 141 is provided with a discharge port 146 to externally discharge the cooling water guided through the gap formed between the inner rotating body 142 and the inner adapter 132.

The inner rotating body 142 is a hollow cylinder-shaped rotating structure having a contact flange 145 assembled through the other end of the outer adapter 131 and the fastening member 146, the inner adapter 132 of the through The outer surface is provided with a third spacer 132a with a predetermined interval in the circumferential direction to form a gap in which the coolant is guided between the inner circumferential surface of the inner rotating body 142 and the outer circumferential surface of the inner adapter 123.

The inlet 144 is screwed to the other end of the outer fixing body 131 to which the other end of the inner adapter 132 is inserted and assembled so as to supply cooling water into the inner adapter 132 in communication with the inner hollow pipe 120. It is provided with an elbow member.

Accordingly, the cooling water introduced into the inlet 144 is supplied to the internal hollow pipe connected to the internal adapter, and the cooling water heat-exchanged to cool the external rotating shaft is discharged to the outside through the outlet 146 without mixing with the incoming cooling water. .

Here, it is preferable to include a sealing member 141a at the assembly portion between the outer fixing body 141 and the inner adapter 132 inserted therein so as not to flow out to the cooling water discharge line side when the cooling water is supplied.

In addition, the cooling water discharge space formed between the outer fixing body 141 and the inner adapter 132 is preferably provided with a spring member 147 for elastically supporting the inner rotating body 142 toward the outer adapter 131. Do.

When the impeller is rotated by the rotational driving force of the driving motor in order to supply the hot gas heated at 800 degrees or more to the blast furnace side of the blast furnace using the blower 100 having such a configuration, the heat provided by the hot gas being forcedly blown. The heat transfer through the external rotating shaft 110 made of a silver metal material is to deteriorate the components assembled thereto.

That is, when the cooling water is supplied through the inlet 144 of the outer fixing body 141 provided in the rotary joint part 140, the supplied cooling water communicates with the inner adapter 132 assembled in the outer fixing body 141. It is supplied to the impeller 101 side into the connected inner hollow pipe 120 and then stays in the same space between the tip of the inner hollow pipe 120 and the inner hole 112, and then the outer peripheral surface of the inner hollow pipe 120 It is discharged to the rotary joint portion 140 through the gap formed between the inner circumferential surface of the inner hole (112).

  By cooling the heat transferred to the external rotary shaft by the circulation flow of the cooling water to lower the temperature of the external rotary shaft to 40 to 50 degrees, the bearing member 115 and the oil filled therein rotatably supporting the external rotary shaft It is possible to prevent deterioration of lubricating oils such as greases, to maintain lubricating viscosity stably, to extend the service life, and to replace lubricating oils filled in bearing members with greases which require low maintenance costs.

In addition, the lock nut fixing the impeller 101 mounted at one end of the external rotating shaft prevents loosening due to high temperature thermal expansion, thereby preventing a large accident in which the impeller is separated into the shaft during blowing.

In addition, by the heat insulating portion 117 and the heat dissipation member 118 provided between the bearing member and the impeller, radiant heat due to the high temperature gas is discharged to the atmosphere while preventing the heat from being transferred to the bearing member 115 side. It is possible to prevent deterioration of the lubricating oil filled therein and to prevent damage to the bearing member.

While the invention has been shown and described with respect to particular embodiments, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

101: impeller 110: external rotation axis
112: internal hole 114: pulley
115: bearing member 116: water jacket
117: heat insulation 118: heat radiation member
120: internal hollow pipe 122: first spacer
125: second spacer 130: adapter portion
131: external adapter 132: internal adapter
135 connector 140 rotary joint
141: external fixing body 142: internal rotating body
144: inlet 145: contact flange
146: outlet 147: spring member

Claims (6)

In the blower having an impeller rotated by the rotational driving force of the drive motor to forcibly suck the gas heated to a certain temperature into the intake port, and then discharge it through the exhaust port,
The impeller is mounted to one end of the body via a lock nut, one side corresponding to the impeller is sealed and the other side corresponding to the drive motor is provided with a predetermined length of the inner hole in the body in the longitudinal direction, at least one An external rotating shaft rotatably supported by a bearing member of the rotating member and driven by a driving force of the driving motor;
An inner hollow pipe inserted into the inner hole so as to form a predetermined size interval between the inner surface of the inner hole;
An adapter unit having an external adapter assembled with the other end of the external rotating shaft and having an internal adapter connected to the other end of the internal hollow pipe through the external adapter; And
An outer fixing body rotatably supporting the inner rotating body assembled with the outer adapter, and an outlet for discharging the coolant guided between the inner hole and the inner hollow pipe and the other end of the inner adapter fixed to the outer fixing body. And a rotary joint part for supplying cooling water into the inner hollow pipe while supporting the rotation of the external rotating shaft with an inlet for supplying cooling water. The method of claim 1,
The lock nut has a pair of left and right nut bodies having semicircular grooves recessed to contact the outer surface of the nut fastening portion protruding from one end of the external rotation shaft, and a fixing nut fastened to an end through the through hole formed in the nut body. Blower for high temperature environment, characterized in that it comprises a plurality of fixing bolts fixed by. The method of claim 1,
An external rotary shaft corresponding to the bearing member and the impeller is provided with a water jacket filled with cooling water on one side and a heat insulating part made of a heat insulating material. The method of claim 1,
The outer rotor corresponding to the vicinity of the bearing member is a high temperature environment blower, characterized in that it comprises at least one heat radiation member made of a metal material having excellent thermal conductivity. The method of claim 1,
The inner adapter may be mounted on the outer circumferential surface of the other end of the inner hollow pipe with a plurality of predetermined intervals in a circumferential direction so as to contact the inner circumferential surface of the inner hole, and through the connecting pipe inserted into the second spacer that is bent at a right angle. High temperature environment blower is connected to the other end of the inner hollow pipe, the outer adapter is connected to the inner rotor by a fastening member fastened to the contact flange provided on one end of the inner rotor. The method of claim 1,
Cooling water discharge space between the outer fixing body and the inner adapter blower for a high temperature environment characterized in that it comprises a spring member for elastically supporting the inner rotating body to the outer adapter side.
KR1020100058126A 2010-06-18 2010-06-18 Blower for high temperature environment KR101009582B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451353B1 (en) 2014-03-17 2014-10-15 세진공조기계 (주) Blower with heat protecting shaft
CN113864007A (en) * 2021-09-13 2021-12-31 华能南京金陵发电有限公司 Auxiliary cooling equipment for steam-electric double-drive steam turbine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004155646A (en) 2002-09-13 2004-06-03 Koa Glass Kk Method and apparatus for manufacturing glass container
KR100889409B1 (en) 2004-11-19 2009-03-20 아사히 가세이 케미칼즈 가부시키가이샤 Resin extruded plate and method for producing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004155646A (en) 2002-09-13 2004-06-03 Koa Glass Kk Method and apparatus for manufacturing glass container
KR100889409B1 (en) 2004-11-19 2009-03-20 아사히 가세이 케미칼즈 가부시키가이샤 Resin extruded plate and method for producing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451353B1 (en) 2014-03-17 2014-10-15 세진공조기계 (주) Blower with heat protecting shaft
CN113864007A (en) * 2021-09-13 2021-12-31 华能南京金陵发电有限公司 Auxiliary cooling equipment for steam-electric double-drive steam turbine

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