CN204646721U - TLGF-HY-75-I type material handling fan - Google Patents

Abstract

The utility model relates to a kind of TLGF-HY-75-I type material handling fan, its impeller comprises shroud, hub disk and blade, be connected by blade between shroud and hub disk, described hub disk is cirque structure, the external diameter of hub disk is d1, hub disk is provided with motor connecting passage, described shroud comprises scalable dish and the diversion disk of integral structure, described blade vertical welding is fixed between shroud and hub disk, the height of blade is from increasing progressively gradually outside to inside, the quantity of blade is 12, the utility model is applied to material handling fan, the Special material Geldart-D particle of long flour way in being applicable to, improve the efficiency of blower fan, save the energy, reduce noise.

Description

TLGF-HY-75-I type material handling fan

Technical field

The utility model relates to a kind of impeller, and particularly a kind of material handling fan efficiently, belongs to material handling fan technical field.

Background technique

Along with manufacturing and production technology perfect, in industrialized process, automation, production line get more and more, utilize the conveying occasion of blower fan to powder and granular material also more and more universal, the technological requirement of different material conveying and the performance of required blower fan vary, and are mainly reflected in following three aspects:

(1) difference of desired properties: the air quantity that blower fan provides and blast are relevant according to production procedure and technique and selected equipment, pipeline, only focus on original fan design pattern in domestic and international market Fan Product, but the technological requirement needed for market has been departed from.

(2) power consumption is high, select in process to meet its technological requirement in design, often select the blower fan of relatively large number and larger allotment of labor, add operating cost, also suitable difficulty is brought to site layout project, add cost, do not meet low-carbon emission, the target of energy saving and requirement.

(3) noise is large, environment is poor, and material handling fan is high pressure, large discharge mainly, under high-revolving condition (3000 revs/min), the noise problem that large blower fan faces is especially outstanding, causes impact and injury to work condition environment and personnel.

Model utility content

Technical problem to be solved in the utility model provides a kind of TLGF-HY-75-I type material handling fan for above drawback, be applied to material handling fan, in being applicable to, the Special material Geldart-D particle of long flour way, improves the efficiency of blower fan, save the energy, reduce noise.

For solving the problems of the technologies described above, the technical solution of the utility model is:

TLGF-HY-75-I type material handling fan, comprise support, casing, motor, impeller and air inlet ring, described casing is fixed on above support, motor bottom is bolted on support, electric machine main shaft is through casing, and the side of motor is bolted on casing, described impeller is arranged in casing, and described air inlet ring is connected with impeller;

Described casing entirety is snail shell, comprise exhaust outlet and the casing cavity of the large contraction mouth of gradual little change that cross section is square, described casing cavity comprises two cavity side plates and cavity outer rim, and one of them cavity side plate has wind inlet, described wind inlet is circular, and described cavity outer rim is arc;

Described impeller comprises shroud, hub disk and blade, be connected by blade between shroud and hub disk, described hub disk is cirque structure, the outside diameter d 1 of hub disk is 870cm, hub disk is provided with motor connecting passage, described electric machine main shaft is connected with motor connecting passage, described shroud comprises scalable dish and the diversion disk of integral structure, the cirque structure of described scalable dish for being obliquely installed, height difference is there is between the outer rim of scalable dish and inner edge, make the tapered structure of scalable dish, the sectional shape of described diversion disk is arc-shaped structure, the central angle of the arc-shaped structure that diversion disk cross section is is 105 °, the internal diameter d2 of diversion disk is 365cm, the internal diameter d3 of described motor connecting passage is less than the internal diameter d2 of diversion disk, described blade vertical welding is fixed between shroud and hub disk, the height of blade is from increasing progressively gradually outside to inside, the quantity of blade is 12, described blade is from inside to outside successively by inner vanes, connection blade and outer foil connect to form, the radius of described inner vanes is R3, central angle is b, the radius connecting blade is R2, central angle is c, the radius of outer foil is R1 central angle is d, R3 > R2 > R1, d > b > c, inner vanes, connection blade and the integral formula structure of outer foil make blade integral be curved surface, the curved surface front end of blade is pressure side, curved surface rear end is suction surface, exit angle a between described outer foil and impeller hub disk is 50.5 °, spacing between the outer rim of outer foil and impeller hub disk is 5mm.

The beneficial effects of the utility model are:

The utility model can improve the efficiency of blower fan, Effec-tive Function, and total pressure efficiency is more than 85%, is far superior to 70% of current existing blower fan, reach low-carbon emission, saved the energy, fan operation is steady, noise is low, avoids environmental pollution, ensure that the personal safety of staff; The height of blade is from increasing progressively gradually outside to inside, quantity is 12, can guarantee there is sufficient traffic channel in impeller, blade is made up of the circular arc of three different curvature radius, be weldingly fixed between shroud and hub disk simultaneously, make blade can balance shaping all the time in static and motion, ensure that utilization efficiency and working life; Spacing between the outer rim of outer foil and impeller hub disk is 5mm, namely defines expansion about mouth, makes boosting gas effectively run output, improves working efficiency, reduce energy consumption.

Accompanying drawing explanation

Fig. 1 is the utility model sectional view.

Fig. 2 is that the utility model A-A is to structural drawing.

Fig. 3 is the utility model ssembly drawing.

Fig. 4 is the utility model casing structure figure.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described further.

TLGF-HY-75-I type material handling fan as shown in the figure, TLGF-HY-75-I type material handling fan, comprise support 1, casing 2, motor 3, impeller 4 and air inlet ring 5, described casing 2 is fixed on above support 1, be bolted on support 1 bottom motor 3, electric machine main shaft 6 is through casing 2, and the side of motor 3 is bolted on casing 2, described impeller 4 is arranged in casing 3, described air inlet ring 5 is connected with impeller 4, described casing 2 entirety is snail shell, comprise exhaust outlet 21 and the casing cavity 22 of the large contraction mouth of gradual little change that cross section is square, described casing cavity 22 comprises two cavity side plates 221 and cavity outer rim 222, one of them cavity side plate 221 has wind inlet 223, described wind inlet 223 is circular, described cavity outer rim 222 is arc,

Described impeller comprises shroud 9, hub disk 10 and blade 11, be connected by blade 11 between shroud 9 and hub disk 10, described hub disk 10 is cirque structure, the outside diameter d 1 of hub disk is 870cm, hub disk 10 is provided with motor connecting passage 12, described electric machine main shaft 6 is connected with motor connecting passage 12, described shroud 9 comprises scalable dish 13 and the diversion disk 14 of integral structure, the cirque structure of described scalable dish 13 for being obliquely installed, height difference is there is between the outer rim of scalable dish 13 and inner edge, make the tapered structure of scalable dish 13, the sectional shape of described diversion disk 14 is arc-shaped structure, the central angle of the arc-shaped structure that diversion disk 14 cross section is is 105 °, the internal diameter d2 of diversion disk 14 is 365cm, the internal diameter d3 of described motor connecting passage 12 is less than the internal diameter d2 of diversion disk 14, described blade 11 vertical welding is fixed between shroud 9 and hub disk 10, the height of blade 11 is from increasing progressively gradually outside to inside, the quantity of blade 11 is 12, described blade 11 is from inside to outside successively by inner vanes 15, connection blade 16 and outer foil 17 connect to form, , the radius of described inner vanes 15 is R3, central angle is b, the radius connecting blade 16 is R2, central angle is c, the radius of outer foil 17 is R1 central angle is d, R3 > R2 > R1, d > b > c, inner vanes 15, connection blade 16 and the integral formula structure of outer foil 17 make blade integral be curved surface, the curved surface front end of blade 11 is pressure side 18, curved surface rear end is suction surface 19, exit angle a between described outer foil 17 and impeller hub disk 10 is 50.5 °, spacing between the outer rim of outer foil 17 and impeller hub disk 10 is 5mm.

The material handling fan performance parameter of the present embodiment is as follows:

That is, performance is:

Flow M ³/ h---13050-19100

Total head Pa---13912-12547

Rotating speed r/min---2970

Power KW---75.

To sum up, the blast total pressure efficiency of the blower fan of the present embodiment reaches 85%-90%, and efficiency improves more than 40%, saves energy consumption more than 40%.

Here description of the present utility model and application is illustrative; not want by scope restriction of the present utility model in the above-described embodiments; therefore, the utility model is not by the restriction of the present embodiment, and the technological scheme that any employing equivalence replacement obtains is all in the scope of the utility model protection.

Claims (1)

1.TLGF-HY-75-I type material handling fan, comprise support, casing, motor, impeller and air inlet ring, described casing is fixed on above support, motor bottom is bolted on support, electric machine main shaft is through casing, and the side of motor is bolted on casing, described impeller is arranged in casing, described air inlet ring is connected with impeller, it is characterized by, described casing entirety is snail shell, comprise exhaust outlet and the casing cavity of the large contraction mouth of gradual little change that cross section is square, described casing cavity comprises two cavity side plates and cavity outer rim, one of them cavity side plate has wind inlet, described wind inlet is circular, described cavity outer rim is arc,

Described impeller comprises shroud, hub disk and blade, be connected by blade between shroud and hub disk, described hub disk is cirque structure, the outside diameter d 1 of hub disk is 870cm, hub disk is provided with motor connecting passage, described electric machine main shaft is connected with motor connecting passage, described shroud comprises scalable dish and the diversion disk of integral structure, the cirque structure of described scalable dish for being obliquely installed, height difference is there is between the outer rim of scalable dish and inner edge, make the tapered structure of scalable dish, the sectional shape of described diversion disk is arc-shaped structure, the central angle of the arc-shaped structure that diversion disk cross section is is 105 °, the internal diameter d2 of diversion disk is 365cm, the internal diameter d3 of described motor connecting passage is less than the internal diameter d2 of diversion disk, described blade vertical welding is fixed between shroud and hub disk, the height of blade is from increasing progressively gradually outside to inside, the quantity of blade is 12, described blade is from inside to outside successively by inner vanes, connection blade and outer foil connect to form, the radius of described inner vanes is R3, central angle is b, the radius connecting blade is R2, central angle is c, the radius of outer foil is R1 central angle is d, R3 > R2 > R1, d > b > c, inner vanes, connection blade and the integral formula structure of outer foil make blade integral be curved surface, the curved surface front end of blade is pressure side, curved surface rear end is suction surface, exit angle a between described outer foil and impeller hub disk is 50.5 °, spacing between the outer rim of outer foil and impeller hub disk is 5mm.