CN217603001U

CN217603001U - Circulating water cooling heat insulation transmission device for fan adjusting door

Info

Publication number: CN217603001U
Application number: CN202221251827.6U
Authority: CN
Inventors: 张铭; 薛艳; 冯浩
Original assignee: Shanghai Richen Environmental Protection Technology Co ltd
Current assignee: Shanghai Richen Environmental Protection Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-18
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a circulating water cooling transmission that insulates against heat for fan governing door, a serial communication port, include and be used for fixing a plurality of heat-proof device on the governing door curb plate, the both ends of same blade axle respectively are provided with one heat-proof device, each heat-proof device are including setting up the thermal-insulated box on the governing door curb plate, be provided with the shaft hole that supplies blade axle head portion to pass on the thermal-insulated box, the panel that one side of governing door curb plate was kept away from to the thermal-insulated box is provided with and blade axle complex bearing frame.

Description

Circulating water cooling heat insulation transmission device for fan adjusting door

Technical Field

The utility model relates to a mechanical ventilation equipment technical field, concretely relates to thermal-insulated transmission of circulating water cooling for fan governing door.

Background

With the development of modern industries, the requirements of industries such as cement, steel and new energy for energy conservation and production improvement are higher and higher, and a fan is used as an essential device in the industries, and a driven fluid machine which depends on input mechanical energy, improves gas pressure and discharges gas plays an important role in energy conservation and production improvement.

The centrifugal fan is characterized in that airflow axially enters an impeller of the fan and then flows out along the radial direction, and the centrifugal fan mainly comprises a rotor part, a shell, a collector and other parts as well known. Wherein, then need increase the regulation door to adjust the amount of wind to the centrifugal fan that needs to change operating mode point, the regulation door mainly reaches the purpose of adjusting the amount of wind through adjusting the blade rotation. Wherein, the bearing frame plays an important role in the rotation process. Among the prior art, the bearing frame is fixed on the curb plate of regulating gate, so when the fluid temperature that flows through the regulating gate was too high, the curb plate also can reach the high temperature state very fast, can lead to bearing frame lubricating oil to volatilize fast to influence the blade and rotate, lead to the regulating gate to appear blocking, influence the fan normal operating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the above-mentioned not enough and defect of prior art, provide a thermal-insulated transmission of circulating water cooling for fan governing door to solve above-mentioned problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

the utility model provides a thermal-insulated transmission of circulating water cooling for fan governing door, includes and is used for fixing a plurality of heat-proof device on the governing door curb plate, and the both ends of same blade axle respectively are provided with one heat-proof device, each heat-proof device are including setting up the thermal-insulated box on the governing door curb plate, be provided with the shaft hole that supplies blade axle tip to pass on the thermal-insulated box, the panel that one side of governing door curb plate was kept away from to the thermal-insulated box is provided with and blade axle complex bearing frame.

In a preferred embodiment of the present invention, a heat dissipation water cavity is fixedly disposed in the heat insulation box, and the heat dissipation water cavity is in contact with the heat insulation box to take away heat of the heat insulation box.

In a preferred embodiment of the present invention, the heat dissipation water chamber is an annular water chamber, the annular water chamber circumferentially surrounds the outer periphery of the vane shaft, and the inner diameter of the annular water chamber and the outer diameter of the vane shaft are matched with each other and are in clearance fit.

In a preferred embodiment of the invention, the water inlet and the water outlet of the annular water cavity extend out of the outer wall of the heat insulation box body, and the water inlets and the water outlets of two adjacent annular water cavities on the same side are connected through a water pipe, so that the heat insulation devices form a circulating water cooling system.

In a preferred embodiment of the present invention, the water inlet is located at a lower portion of the heat insulation box body, and the water outlet is located at an upper portion of the heat insulation box body.

In a preferred embodiment of the invention, shaft seals are provided in the thermally insulated box, which shaft seals cooperate with the vane shafts.

In a preferred embodiment of the invention, the heat insulation box body is provided with a heat insulation lower box body with a side opening and an open top, the side opening of the heat insulation lower box body is fixed on the side plate of the adjusting door, and the open top of the heat insulation lower box body is detachably connected with an upper cover.

In a preferred embodiment of the invention, a pull ring is provided on the upper cover.

Since the technical scheme as above is adopted, the beneficial effects of the utility model reside in that: the utility model discloses can utilize thermal-insulated box to increase the distance of bearing frame with the regulation door curb plate, subduct the heat transfer of regulation door curb plate to the bearing frame on. Further, the utility model discloses can also utilize the heat dissipation water cavity to the heat dissipation of thermal-insulated box, effectively subduct the heat transfer of regulating gate curb plate to the bearing frame on more. Moreover, the cooperation of the annular water cavity and the blade shaft can be utilized to drive part of heat emitted by the blade shaft, and the heat directly transmitted to the bearing seat by the blade shaft is reduced. Through the three heat reducing modes, the purpose of reducing or even eliminating heat transferred to the bearing seat is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a working state diagram of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a front view of the heat insulation device of the present invention.

Fig. 4 is a rear view of the thermal insulation apparatus of the present invention.

Fig. 5 is a side view of the thermal insulation apparatus of the present invention.

Fig. 6 is a cross-sectional view of the heat insulation device of the present invention.

Fig. 7 is a front view of the heat insulating device of the present invention with the shaft seal removed.

Fig. 8 is a perspective view of the heat insulating device of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further explained below.

Referring to fig. 1 to 8, the circulating water-cooling heat-insulating transmission device for the fan adjusting door comprises a plurality of heat-insulating devices for fixing on the adjusting door side plate 1, two ends of the same blade shaft 10 are respectively provided with a heat-insulating device 100, each heat-insulating device 100 comprises a heat-insulating box body 110 arranged on the adjusting door side plate 1, a shaft hole 111 for the end of the blade shaft 10 to pass through is arranged on the heat-insulating box body 110, and a bearing seat 20 matched with the blade shaft 10 is arranged on a panel 112 on one side of the heat-insulating box body 110 far away from the adjusting door side plate 1.

The heat dissipation water chamber 120 is fixedly disposed in the heat insulation box 110, the heat dissipation water chamber 120 contacts the heat insulation box 110, and the heat dissipation water chamber 120 is used for taking away heat of the heat insulation box 110. Specifically, the heat dissipation water cavity 120 is fixed inside the heat insulation box 110 by welding, so as to fix the heat dissipation water cavity 120.

The heat dissipation water cavity 120 is preferably an annular water cavity, the annular water cavity 120 circumferentially surrounds the outer periphery of the blade shaft 10, and the inner diameter of the annular water cavity 120 is matched with the outer diameter of the blade shaft 10, so that the annular water cavity 120 and the blade shaft 10 are in clearance fit. Specifically, the middle part of the annular water cavity 120 is provided with a water cooling area 120a for the end part of the blade shaft 10 to pass through, and the annular water cavity 120 and the blade shaft 10 are in clearance fit, so that the inner diameter of the annular water cavity 120 is close to the outer diameter of the blade shaft 10 and does not contact with the blade shaft 10, thereby not affecting the rotation of the blade shaft 10 and achieving the effect of better cooling the blade shaft.

The water inlet 121 and the water outlet 122 of the annular water cavity 120 extend out of the outer wall of the heat insulation box body 110, and the water inlet 121 and the water outlet 122 of two adjacent annular water cavities on the same side are connected through a water pipe 200, so that a plurality of heat insulation devices form a circulating water cooling system. The water inlet 121 in this embodiment is located at the lower portion of the heat insulation box body 110, and the water outlet 122 is located at the upper portion of the heat insulation box body 110. The water inlet 121 accessible external access pipe makes annular water cavity 120 fill with full circulating water to conveniently clear up inside ponding when the maintenance, usable circulating water flows on annular water cavity 120 and can take away the heat that blade shaft 10 gived off and subdue, thereby can reduce heat transfer to in the bearing frame 20.

The shaft seal 30 matched with the blade shaft 10 is arranged in the heat insulation box body 110, the shaft seal 30 is used for preventing high-temperature hot air from flowing into the bearing seat 20 along the outer wall of the blade shaft 10, and because a gap exists between the heat insulation box body 110 and the blade shaft 10, the high-temperature hot air can flow into the bearing seat 20 along the outer wall of the blade shaft 10, and the existence of the shaft seal 30 can play a role in isolating the high-temperature hot air.

The heat insulation box body 110 has a heat insulation lower box body 110a with a side opening and a top opening, the side opening of the heat insulation lower box body 110a is fixed on the adjusting door side plate 1, and the top opening of the heat insulation lower box body 110a is detachably connected with an upper cover 110b. The upper cover 110b in this embodiment is provided with a pull ring 111b. Specifically, the lower heat-insulating box body 110a and the upper cover 110b are detachably connected through a screw 110c, so that the lower heat-insulating box body can be conveniently detached, the upper cover 110b can be conveniently taken out, the heat-insulating box body 110 can be sealed, sundries are prevented from falling into the heat-insulating box body 110, and the shaft seal 30 and the annular water cavity 120 can be overhauled and replaced. And a side plate 112b is welded to the upper cover 110b, and the side plate 112b is detachably connected with the lower heat-insulating box body 110a through a screw 110 c.

The utility model discloses during the use, can give off on the heat transfer bearing frame 20 because of blade axle 10 during operation, in addition, heat on the regulating gate curb plate 1 can directly transmit to the bearing frame 20, therefore, fix a plurality of heat-proof device on regulating gate curb plate 1, can utilize thermal-insulated box 110 to increase the distance of bearing frame 20 with regulating gate curb plate 1, the heat transfer that has subdued regulating gate curb plate 1 is to the bearing frame 20 on, can also utilize heat dissipation water cavity 120 to dispel the heat to thermal-insulated box 110, the heat transfer that has more effectively subdued regulating gate curb plate 1 is to the bearing frame 20 on, can also utilize annular water cavity 120 and blade axle 10's cooperation, drive partly heat that distributes out by blade axle 10, reduce the heat that blade axle 10 direct transfer was for bearing frame 20, through the thermal mode of these three kinds of subducts, reach and subdue the mesh on the bearing frame of even elimination heat transfer.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a thermal-insulated transmission of recirculated water cooling for fan control door, its characterized in that includes and is used for fixing a plurality of heat-proof device on the control door curb plate, and the both ends of same blade axle respectively are provided with one respectively heat-proof device, each heat-proof device are including setting up the thermal-insulated box on the control door curb plate, be provided with the shaft hole that supplies blade axle tip to pass on the thermal-insulated box, the panel of one side of control door curb plate is kept away from to the thermal-insulated box is provided with and blade axle complex bearing frame.

2. The circulating water-cooling heat-insulating transmission device for the fan adjusting door as claimed in claim 1, wherein a heat-radiating water cavity is fixedly arranged in the heat-insulating box body, and the heat-radiating water cavity is in contact with the heat-insulating box body to take away heat of the heat-insulating box body.

3. The circulating water-cooling heat-insulating transmission device for the fan adjusting door as claimed in claim 2, wherein the heat-radiating water cavity is an annular water cavity, the annular water cavity circumferentially surrounds the periphery of the blade shaft, and the inner diameter of the annular water cavity and the outer diameter of the blade shaft are matched with each other in a clearance fit mode.

4. The circulating water cooling and heat insulating transmission device for the fan regulating valve as claimed in claim 3, wherein the water inlets and the water outlets of the annular water cavities extend out of the outer wall of the heat insulating box body, and the water inlets and the water outlets of two adjacent annular water cavities on the same side are connected through a water pipe, so that a plurality of heat insulating devices form a circulating water cooling system.

5. The circulating water cooling and heat insulating transmission device for the fan regulating valve as claimed in claim 4, wherein the water inlet is located at the lower part of the heat insulating box body, and the water outlet is located at the upper part of the heat insulating box body.

6. The circulating water-cooled insulated transmission for a fan governor door of claim 1 wherein a shaft seal fitted to the vane shaft is provided in the insulated box.

7. The circulating water cooling and heat insulation transmission device for the fan adjusting door according to claim 1, wherein the heat insulation box body is provided with a heat insulation lower box body with a side opening and an open top, the side opening of the heat insulation lower box body is fixed on the adjusting door side plate, and the open top of the heat insulation lower box body is detachably connected with an upper cover.

8. The circulating water cooling and heat insulating transmission device for the regulating door of the fan as claimed in claim 7, wherein the upper cover is provided with a pull ring.