CN206495822U - A kind of new and effective welding centrifugal blower - Google Patents

A kind of new and effective welding centrifugal blower Download PDF

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Publication number
CN206495822U
CN206495822U CN201621202362.XU CN201621202362U CN206495822U CN 206495822 U CN206495822 U CN 206495822U CN 201621202362 U CN201621202362 U CN 201621202362U CN 206495822 U CN206495822 U CN 206495822U
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China
Prior art keywords
centrifugal blower
welding
stationary
new
rotor
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Active
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CN201621202362.XU
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Chinese (zh)
Inventor
方树鹏
刘飞
张生涛
孔晓玲
刘厚龙
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SHANDONG ZHANGQIU BLOWER CO Ltd
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SHANDONG ZHANGQIU BLOWER CO Ltd
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Abstract

There is provided a kind of welded blower fan for a kind of new and effective welding centrifugal blower.It is made up of rotor portion and stationary part, and the rotor portion includes impeller, level spacer sleeve, exhaust volute, sealing axle sleeve and fan bearing;The stationary part includes return channel, diffusion plate, exhaust volute and outlet end bearing block between air inlet end bearing block, air inlet volute, runner arc plate, level, it is characterized in that, the stationary part housing is welding casing, and the inner flow passage of welding casing is round and smooth excessive.The inner flow passage of the utility model welding casing is round and smooth excessively, substantially the structure function that could be only realized using casting technique is realized, the multistage centrifugal blower inner flow passage shape so manufactured and designed and casting multistage centrifugal blower are essentially identical, blower fan overall structure is horizonally split formula, is easy to dismounting to safeguard and overhaul.

Description

A kind of new and effective welding centrifugal blower
Technical field
The utility model is related to a kind of new and effective welding centrifugal blower, belongs to centrifugal blower technical field.
Background technology
Blower fan is the machinery for conveying gas, from the point of view of Perspective of Energy, and it is that the mechanical energy of prime mover is changed into gas One kind machinery of energy.
Blower fan is widely used in each industrial department, generally, and centrifugal fan is applied to low discharge, the field of high pressure Institute, and axial fan is then usually used in big flow, the situation of low-pressure, should have different blower fans point according to different situation choosings Class.
In the certain user of sewage treatment industry, small is required to the air quantity of air blower, blast requires high.If using Roots Air blower, although pressure flow can reach requirement, but noise is big, not environmentally;If using monopole centrifugal blower, Cost disposably puts into height;If using the multistage centrifugal blower of conventional Type of Welding, its power consumption can be compared with cast form Centrifugal blower is big.If can be designed on the basis of welding structure blower fan is lightweight and realize that the internal body of cast form is round and smooth The characteristics of transition structure is efficient, strictly a kind of brand-new welded blower fan.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of new and effective welding centrifugal blower, primarily The technical problem of solution is the requirement that blast is high, power consumption is low, secondary technical problem be it is lightweight, it is easy to use.
The utility model solve technical scheme that its technical problem used for:
The utility model is a kind of new and effective welding multistage centrifugal blower, and it is by centrifugal blower rotor portion and determined Subdivision is constituted.
The rotor of whole blower fan is made up of impeller, spacer, axle sleeve, main shaft, bearing etc..
Spacer is to install stationary barrier, cylinder axis can be made to reduce to size.Furthermore, it is possible to simplify cylinder shape, just In dismounting, allow dividing plate radial direction free wxpansion.
The effect of axle sleeve is mainly protection main shaft, and friction reducing and shock reducing has axially position and buffer action concurrently.
Fan rotor is arranged on the bearing block of blower fan both sides.
The stator of blower fan return channel, diffusion plate, exhaust volute between air inlet end bearing block, air inlet volute, runner arc plate, level And the composition such as outlet end bearing block.
Fan casing is welding casing, belongs to a part for stationary part, casing ontology is by groups such as return channel, diffusion plates Into, but it is to use mould forging forming that it, which welds runner transition arc steel plate,.
A kind of new and effective welding structure multistage centrifugal blower, is made up of, the rotor rotor portion and stationary part Part includes impeller, level spacer sleeve, exhaust volute, sealing axle sleeve and fan bearing;The stationary part includes inlet end axle Return channel, diffusion plate, exhaust volute and outlet end bearing block between bearing, air inlet volute, runner arc plate, level, it is characterised in that The stationary part housing is welding casing, and the inner flow passage of welding casing is round and smooth excessive.
The welding steel surface applies antirust paint formation anticorrosive coat after blasting treatment.
Return channel and diffusion plate are mould forging forming part between the level.
The beneficial effects of the utility model are:
The inner flow passage of welding casing is round and smooth excessively, and the structure work(that could be only realized using casting technique is realized substantially Can, the multistage centrifugal blower inner flow passage shape so manufactured and designed and casting multistage centrifugal blower are essentially identical, and blower fan is whole Body structure is horizonally split formula, is easy to dismounting to safeguard and overhaul.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure:1- air inlet end bearing blocks, 2- air inlet volutes, 3- runner arc plates, return channel, 5- diffusion plates, 6- leaves between 4- grades Wheel, 7- grades of spacer sleeves, 8- exhaust volutes, 9- balancing frames, 10- sealing axle sleeves, 11- air outlet section bearing blocks.
Embodiment
The utility model is a kind of new and effective welding multistage centrifugal blower, is characterized in small air quantity, high pressure, power consumption Low, maintenance and use are more convenient, can meet the demand of user.
As shown in figure 1, the utility model is a kind of novel welding centrifugal blower, it be by centrifugal blower rotor portion and Stationary part is constituted.
Centrifugal blower rotor portion is mainly by impeller 6, level spacer sleeve 7, exhaust volute 8, sealing axle sleeve 10 and blower fan Bearing is constituted.
Stationary part mainly return channel 4, diffusion plate between air inlet end bearing block 1, air inlet volute 2, runner arc plate 3, level 5th, exhaust volute 8 and outlet end bearing block 11 etc. are constituted.
Fan rotor is arranged on the bearing block of blower fan both sides.
Gas is from axially into impeller 6, and gas is radially redirected when flowing through impeller 6, subsequently into diffusion plate 5.
In diffusion plate 5, gas and changing flow direction causes to slow down, and this decelerating effect converts kinetic energy into pressure Energy.
Next impeller 6 is allowed airflow into return channel between level 4, higher pressure is produced.
Fan casing is welding casing, and casing ontology is made up of return channel between level 4, diffusion plate 5 etc., but it welds runner mistake It is to use mould forging forming to cross circular arc steel plate.
The inner flow passage of welding casing is round and smooth excessively, and the structure work(that could be only realized using casting technique is realized substantially Can, the multistage centrifugal blower inner flow passage shape so manufactured and designed and casting multistage centrifugal blower are essentially identical, and blower fan is whole Body structure is horizonally split formula.
Its course of work:
Blower fan is driven by motor by shaft coupling, is done work by impellers 6 at different levels, drives draught fan impeller 6 to rotate when motor is rotated When, the gas between the Leaf of impeller 6 also and then rotates, and throws away these gases under the influence of centrifugal force, and gas flow rate increases Greatly, the gas in blower fan does work through impeller 6, makes gas that kinetic energy be converted to static energy in flowing, the diffusion of diffusion plate 5 makes quiet Pressure energy is converted to speed energy again, then flows through runner arc plate 3 of the flow channel shape as the centrifugal blower of cast form, gas enters Enter next stage, most gas is reached after flow and pressure needed for user after compressing step by step afterwards, and blower fan is flowed out through exhaust volute 8. Certain negative pressure is formd in the middle of impeller 6, because entrance is in negative pressure, ambient atmos is mended immediately under atmospheric pressure Enter, constantly gas is discharged and fill under the continuous turning effort of impeller 6, so as to reach the purpose of continuous blast.
The utility model ensure that the efficiency equal with the multistage centrifugal blower of cast structure, and blower fan also has weldering simultaneously Connect the horizonally split formula structure of formula centrifugal blower, it is ensured that easy dismounting when blower fan maintenance and overhaul.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality New scope is defined, on the premise of the utility model design spirit is not departed from, and relevant technical staff in the field is to this The various modifications of utility model and improvement, all should expand as determined by the utility model claims in protection domain.

Claims (3)

1. a kind of new and effective welding centrifugal blower, is made up of rotor portion and stationary part, the rotor portion includes leaf Wheel(6), level spacer sleeve(7), exhaust volute(8), sealing axle sleeve(10)And fan bearing;The stationary part includes inlet end Bearing block(1), air inlet volute(2), runner arc plate(3), return channel between level(4), diffusion plate(5), exhaust volute(8)And outlet End bearing block(11), it is characterised in that the stationary part housing is welding casing, and the inner flow passage of welding casing is round and smooth Excessively.
2. a kind of new and effective welding centrifugal blower according to claim 1, it is characterised in that the welding casing table Face applies antirust paint formation anticorrosive coat after blasting treatment.
3. a kind of new and effective welding centrifugal blower according to claim 1, it is characterised in that return channel between the level (4)And diffusion plate(5)For mould forging forming part.
CN201621202362.XU 2016-11-04 2016-11-04 A kind of new and effective welding centrifugal blower Active CN206495822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621202362.XU CN206495822U (en) 2016-11-04 2016-11-04 A kind of new and effective welding centrifugal blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621202362.XU CN206495822U (en) 2016-11-04 2016-11-04 A kind of new and effective welding centrifugal blower

Publications (1)

Publication Number Publication Date
CN206495822U true CN206495822U (en) 2017-09-15

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CN201621202362.XU Active CN206495822U (en) 2016-11-04 2016-11-04 A kind of new and effective welding centrifugal blower

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CN (1) CN206495822U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020019800A1 (en) * 2018-07-26 2020-01-30 江苏涞森环保设备有限公司 Multi-flow rate blower
CN111536056A (en) * 2020-05-07 2020-08-14 周永新 High-speed multistage blower for conveying and compressing special gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020019800A1 (en) * 2018-07-26 2020-01-30 江苏涞森环保设备有限公司 Multi-flow rate blower
CN111536056A (en) * 2020-05-07 2020-08-14 周永新 High-speed multistage blower for conveying and compressing special gas
CN111536056B (en) * 2020-05-07 2021-09-21 周永新 High-speed multistage blower for conveying and compressing special gas

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