CN208007839U - A kind of device utmostly limiting inductivity air-flow in high drop curve chute - Google Patents

Abstract

A kind of device utmostly limiting inductivity air-flow in high drop curve chute includes inductivity airflow restrictors, balance weight mechanism, damping；The inductivity airflow restrictors are mounted on curve chute interior；The balance weight mechanism is mounted in shaft, is located at curve chute side；The damping is connected with shaft, is mounted on the other side of the curve chute；It is provided with a hole I on the surface of the curve chute, an inspection door is installed on the position in the hole I.The present apparatus can limit air flue to adapt to the variation of material stream cross-sectional area, comb disorderly material stream according to the circulation volume change of material stream, self-control curve chute area of section, to reduce dust emission, reduce the noise generated in transportational process.The present apparatus is furnished with inductivity airflow restrictors, balance weight mechanism and damping, realizes to the controlling of chute interior airborne dust, reduces inductivity throughput to the greatest extent, increases stream stability.

Description

A kind of device utmostly limiting inductivity air-flow in high drop curve chute

Technical field

The utility model is related to control treating flour dust and material stream integer technical field inside flow passage system, more particularly to one Kind utmostly limits the device of inductivity air-flow in high drop curve chute.

Background technology

In existing coal conveying technology, whole rational water conservancy diversion is carried out to coal stream using novel curve chute, by reasonable Material is analyzed, optimizes the flow trace of material as far as possible, material stream is made to be converted into orderly, controllable process from unordered fall, It is the equipment for comparing approval currently on the market.Control flow passage system technology can play its work well under most nominal situations With, but when following several more extreme cases occurs in defeated coal operating mode, curve chute technology inevitably will appear some shortcomings. 1, when the material of transport is relatively dry and material is in dust particle, the part in this operating mode, transport in material is dust Particle is often run with the inductivity air-flow of chute interior together, causes airborne dust；2, when the material of transport contains part grain When the larger particle of diameter, since large-size particles constraint suffered in motion process in chute is weaker, movement locus is random It is larger, often because impact causes the splashing of material, jumps material, airborne dust, noise, the stability for even influencing material flow track； When 3, making curve chute cannot be satisfied angle of attack less than 20 ° due to the limitation of steric requirements in transfer station, the at this moment angle of shock Degree increases, and the amount that dust is generated after material impact chute wall surface is bigger.

Utility model content

The purpose of the utility model is to overcome prior art problems, provide one kind maximum journey in high drop curve chute The device of degree limitation inductivity air-flow.Its simple in structure, easy to install and use and service life is long, on the one hand can be to greatest extent The generation for limiting induced air, solves airborne dust caused by high drop transfer station curve chute interior inductivity air-flow；On the other hand same When have the problems such as arranging chute interior material manifold shape, solving the stream caused by materials from spattering disorderly, noise, ensure object Stream is in boundling state in chute interior, concentrates operation, does not disperse；Reaching reduces the generation of inductivity air-flow in curve chute Amount realizes curve chute interior dust Control, the purpose of curve of stability chute interior stream, and then improves running environment, improves Coal production transportation work efficiency and generating efficiency reduce production cost of electricity-generating.

The technical solution of the utility model：A kind of dress utmostly limiting inductivity air-flow in high drop curve chute It sets including inductivity airflow restrictors, balance weight mechanism, damping；The inductivity airflow restrictors are mounted on curve chute It is internal；The balance weight mechanism is mounted in shaft, is located at curve chute side；The damping is connected with shaft, Mounted on the other side of the curve chute；It is provided with a hole I on the surface of the curve chute, pacifies on the position in the hole I Equipped with an inspection door.

Further, the inductivity airflow restrictors are by shaft, mounting plate, adjustable plate, air throttle, screw regulator, drawing Bar, bearing block composition；The bearing block is mounted on the surface of the left and right sides of the curve chute；The shaft uses bearing On the bearing block；The mounting plate is mounted in the shaft, can be with shaft swing；The mounting plate is equipped with institute State pull rod；Through-hole II is provided on the pull rod；The screw regulator is mounted on using adjusting set I on the pull rod；The tune It is L-shaped to save plate, is made of bottom plate and plate muscle face；It is provided with hole III on the plate muscle face, is adjusted using adjusting set II and the screw rod Device is connected；The top of the bottom plate is provided with strip hole, is connected with the mounting plate using bolt I；It opens the adjustable plate lower part There is hole IV, is connected with the air throttle using bolt II；The both sides bevelling of the air throttle lower end；The air throttle lower end Middle part be in concave edge shape.

Further, the balance weight mechanism includes accessory holder, structure bar, counterpoise, adjustment screw；The attached branch Frame is mounted in the shaft；The structure bar is mounted in the accessory holder；The counterpoise is pacified using adjustment screw In the structure bar.

Further, the damping includes crank, damper, shock bracket；The shock bracket is mounted on the song The side of line chute；The damper is connected using axis pin I with the shock bracket；The other end of the damper uses axis pin II is connected with the crank；The crank is connected with the shaft.

Further, the inductivity airflow restrictors are made of hard impermeable material.

The beneficial effects of the utility model：（1）The Installation Modes of the inductivity airflow restrictors of the utility model make it It can hang vertically downward under the effect of gravity, material stream upper surface may have slight protuberance in such chute；It induces simultaneously Property airflow restrictors air throttle lower end intermediate region setting there are one lower spill while and when two outer bevels, with The shape in curve chute section is consistent so that air throttle is remained with material flow table face and contacted, and air gap is down to It is minimum, to reduce induced draft flow.（2）The inductivity airflow restrictors of the utility model are using hard, impermeable material Make, can be very good to deaden inductivity air-flow, be allowed to cannot be introduced into Men Nei and can only be along inductivity airflow restrictors both sides Gap discharge.（3）It is provided with screw regulator on the inductivity airflow restrictors of the utility model, is adjusted by adjusting screw rod Adjusting set I and adjusting set II on device can easily adjust the height of air throttle, so be adapted to different material stream The case where, it is applied widely；It is independent structure with subject throttle, can dismantles, if damage is replaced air throttle and can be not required to Want integral replacing.（4）The utility model is configured with inspection door, facilitates the installation, maintenance, dismounting of air throttle.（5）This practicality is new The quantity of the counterpoise of the balance weight mechanism of type can be increased and decreased, and can help to counteract that part inductivity limitation air-flow limits The weight of device improves the sensitivity of inductivity limitation airflow restrictors reaction.（6）Damping is arranged in the utility model, effectively Ground prevents inductivity airflow restrictors from moving back and forth, and reduces inductivity airflow restrictors to the greatest extent because mass flow occurs Move back and forth caused frequency of oscillation after variation.Inductivity airflow restrictors are made to keep connecing with material flow table face as far as possible It touches, to prevent inductivity air-flow from entering chute.

Description of the drawings

Fig. 1 is the sectional view of the utility model inclusion stream；Fig. 2 shows the curve chute equipped with utility model device Fitting arrangement；Fig. 3 shows the detailed view of utility model device；Fig. 4 is the utility model section view；This practicality of Fig. 5 Novel left view；Fig. 6 is the utility model right view；Fig. 7 is the utility model stereogram；Fig. 8 shows that curve chute is not pacified When filling utility model device, the operational effect of relatively low mass flow；Fig. 9 shows that curve chute installs utility model device Afterwards, the operational effect of relatively low mass flow；When Figure 10 shows that curve chute does not install utility model device, mass flow increases Operational effect after big；After Figure 11 shows curve chute installation utility model device, the operation after mass flow increases is imitated Fruit.

Specific implementation mode

As shown in the figure：A kind of device utmostly limiting inductivity air-flow in high drop curve chute, feature exist In：Including inductivity airflow restrictors 4, balance weight mechanism 27, damping 28；The inductivity airflow restrictors 4 are mounted on Inside curve chute 3；The balance weight mechanism 27 is mounted in shaft 8, is located at 3 side of curve chute；The damping machine Structure 28 is connected with shaft 8, is mounted on the other side of the curve chute 3；A hole I 30 is provided on the surface of the curve chute 3, One inspection door 7 is installed on the position in the hole I 30.

The inductivity airflow restrictors 4 by shaft 8, mounting plate 9, adjustable plate 13, air throttle 16, screw regulator 11, Pull rod 10, bearing block 25 form；The bearing block 25 is mounted on the surface of the left and right sides of the curve chute 3；Described turn Axis 8 is mounted on using bearing on the bearing block 25；The mounting plate 9 is mounted in the shaft 8, can be swung with shaft 8；Institute It states mounting plate 9 and is equipped with the pull rod 10；Through-hole II is provided on the pull rod 10（It is not shown in figure）；The screw regulator 11 It is mounted on the pull rod 10 using adjusting set I 12；The adjustable plate 13 is L-shaped, is made of bottom plate 32 and plate muscle face 33；It is described Hole III is provided on plate muscle face 33（It is not shown in figure）, it is connected with the screw regulator 11 using adjusting set II 31；The bottom The top of plate 32 is provided with strip hole 15, is connected with the mounting plate 9 using bolt I 14；13 lower part of the adjustable plate is provided with hole IV （It is not shown in figure）, it is connected with the air throttle 16 using bolt II 34；The both sides bevelling of 16 lower end of the air throttle 16b；The middle part of 16 lower end of the air throttle is in concave edge shape 16a.

The balance weight mechanism 27 includes accessory holder 17, structure bar 18, counterpoise 19, adjustment screw 29；It is described attached Belong to holder 17 to be mounted in the shaft 8；The structure bar 18 is mounted in the accessory holder 17；The counterpoise 19 makes It is mounted in the structure bar 18 with adjustment screw 29.

The damping 28 includes crank 20, damper 21, shock bracket 22；The shock bracket 22 is mounted on described The side of curve chute 3；The damper 21 is connected using axis pin I 23 with the shock bracket 22；The damper 21 it is another One end is connected using pin shaft II 24 with the crank 20；The crank 20 is connected with the shaft 8.The inductivity air-flow limitation Device 4 is made of hard impermeable material.

The inductivity airflow restrictors 4 of the utility model control the flow passage openings size by curve chute, will be open Size is limited in close in the level of fluent material flow section size.When 6 volume of material stream of flowing increases, opening size increases Greatly；Conversely, when 6 volume of material stream of flowing is reduced, opening size becomes smaller.

The utility model makes up curve chute by installing self-control formula inductivity airflow restrictors additional on curve chute Limitation when dry, low freight volume, small particle material is conveyed under conditions of high drop, including local inductivity throughput increases Add, bulk cargo, jump material etc..The present apparatus can be according to the circulation volume change of material stream 6, and self-control curve chute area of section is with suitable The variation of 6 cross-sectional area of material stream is answered, air flue is limited, combs disorderly material stream 6, to reduce dust emission, reduce The noise generated in transportational process.The present apparatus is furnished with inductivity airflow restrictors, balance weight mechanism and damping, realizes to slipping Airborne dust controls, reduces inductivity throughput, increase stream stability to the greatest extent inside slot.

Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various modifications and improvement that the technical solution of utility model is made should all fall into the protection of the utility model claims book determination In range.

Claims (5)

1. a kind of device utmostly limiting inductivity air-flow in high drop curve chute, it is characterised in that：Including induction Property airflow restrictors, balance weight mechanism, damping；The inductivity airflow restrictors are mounted on curve chute interior；It is described Balance weight mechanism is mounted in shaft, is located at curve chute side；The damping is connected with shaft, is mounted on described The other side of curve chute；It is provided with a hole I on the surface of the curve chute, an inspection is installed on the position in the hole I Door.

2. a kind of device utmostly limiting inductivity air-flow in high drop curve chute according to claim 1, It is characterized in that：The inductivity airflow restrictors are by shaft, mounting plate, adjustable plate, air throttle, screw regulator, pull rod, axis Bearing forms；The bearing block is mounted on the surface of the left and right sides of the curve chute；The shaft is installed using bearing On the bearing block；The mounting plate is mounted in the shaft, can be with shaft swing；The mounting plate is equipped with the drawing Bar；Through-hole II is provided on the pull rod；The screw regulator is mounted on using adjusting set I on the pull rod；The adjustable plate It is L-shaped, it is made of bottom plate and plate muscle face；It is provided with hole III on the plate muscle face, uses adjusting set II and the screw regulator phase Connection；The top of the bottom plate is provided with strip hole, is connected with the mounting plate using bolt I；The adjustable plate lower part is provided with hole IV, it is connected with the air throttle using bolt II；The both sides bevelling of the air throttle lower end；In the air throttle lower end Portion is in concave edge shape.

3. a kind of device utmostly limiting inductivity air-flow in high drop curve chute according to claim 1, It is characterized in that：The balance weight mechanism includes accessory holder, structure bar, counterpoise, adjustment screw；The accessory holder peace In the shaft；The structure bar is mounted in the accessory holder；The counterpoise is mounted on using adjustment screw In the structure bar.

4. a kind of device utmostly limiting inductivity air-flow in high drop curve chute according to claim 1, It is characterized in that：The damping includes crank, damper, shock bracket；The shock bracket is slipped mounted on the curve The side of slot；The damper is connected using axis pin I with the shock bracket；The other end of the damper using pin shaft II with The crank is connected；The crank is connected with the shaft.

5. a kind of device utmostly limiting inductivity air-flow in high drop curve chute according to claim 1, It is characterized in that：The inductivity airflow restrictors are made of hard impermeable material.