CN2678887Y

CN2678887Y - Coal forming machine

Info

Publication number: CN2678887Y
Application number: CN 200420010327
Authority: CN
Inventors: 郭育琨; 关玉增; 黄素英; 杨彩萍
Original assignee: ZHENGZHOU BOILER CO Ltd
Current assignee: ZHENGZHOU BOILER CO Ltd
Priority date: 2004-03-08
Filing date: 2004-03-08
Publication date: 2005-02-16
Anticipated expiration: 2014-03-08

Abstract

The utility model discloses a coal forming machine, comprising a machine body and a power input shaft arranged at the bottom part of the machine body. A forming roll is arranged on the power input shaft, a roller arranged at the upper part of the machine body is driven by the power input shaft through a driving device, and a sieve is arranged between the roller and the forming roll. The lower part of the sieve is provided with a baffle plate, the sieve is movably connected with the machine body, and a vibrating shaft is arranged in the machine body. A vibrating mechanism is arranged between the vibrating shaft and the sieve, and the rotation of the vibrating shaft is driven by the power input shaft through the driving device. Because the sieve is movably connected with the machine body, the vibrating shaft is arranged in the machine body, the vibrating mechanism is arranged between the vibrating shaft and the sieve, and the rotation of the vibrating shaft is driven by the power input shaft through the driving device. The sieve is driven to vibrate by the vibrating mechanism on the vibrating shaft when the coal forming machine works, and the purpose that a coal brick which is clamped on the sieve can be avoided is attained. The key problem that the coal forming machine has non-uniform coal supply can be solved, and the combustion condition of a boiler can be improved greatly.

Description

A kind of coal briquette machine before boiler

Technical field

The utility model relates to a kind of and the matching used coal briquette machine before boiler of boiler.

Background technology

Shaped coal technology is one of major technique of the current development clean combustion of coal of China, its energy-saving and environmental protection remarkable benefit.Industrial Boiler, the kiln of China all are to burn the coal that looses basically at present, and year consumption raw coal amount is big, and the thermal efficiency is low, and environmental pollution is serious.Behind Industrial Boiler, the kiln burning briquette, can reach economize on coal, the effect of depositing dust, minimizing harmful gas emission.Especially when using the meager coal of low-volatile, its effect is considerably beyond other combustion systems such as layering coal supplies.Use coal briquette machine before boiler, solved the broken problem of moulded coal transportation, its economic benefit is more obvious.

The operation principle of coal briquette machine before boiler is: with the sieve screening of the coal in the coal bunker through molding coal machine inside, lump coal is directly fallen on the fire grate and is burnt earlier.The duff that sieves burns behind roll-in balling-up piece again.In order to help the shaping of coal, the coal supply of molding coal machine requires to have certain humidity, and the slit of sieve can not too wide (moulded coal be very little), so sieve is easy to produce the chute blockage phenomenon, in addition, often there are some coal cinders to be stuck on the sieve, because the obstruction effect of this coal cinder, will pile up a slice triangle coal seam wide at the top and narrow at the bottom on the compass screen surface, not leak coal.At this moment zanjon will appear one in the coal seam on the fire grate, is unfavorable for burning, can burn out fire grate when serious.

Summary of the invention

Technical problem to be solved in the utility model is to stop to produce sieve chute blockage phenomenon in the coal briquette machine before boiler work, provides a kind of coal supply uniform novel coal briquette machine before boiler.

For achieving the above object, the utility model adopts following technical scheme: a kind of coal briquette machine before boiler, comprise body and the power input shaft that is positioned at its bottom, be arranged to forming roll on the power input shaft, power input shaft drives the cylinder of body upper by transmission device, be provided with sieve between cylinder and the format roll, the below of sieve is provided with baffle plate, be flexible connection between described sieve and the body, be provided with vibrating shaft in the body, be provided with vibrating mechanism between vibrating shaft and the sieve, power input shaft drives vibrating shaft by transmission device and rotates.

The upper end of the sieve that flexibly connects between the described and body is hinged on the body rear wall, and vibrating shaft is arranged on the below, upper end of sieve, and described vibrating mechanism is the vibrating mass that is provided with on the vibrating shaft.

For improving vibrating effect, described vibrating mass quantity is two, is unidirectional ratchet structure, is provided with square parallels in sieve and vibrating mass contact position.

Described sieve is made of the two rows reinforcing bar that is welded together in parallel.

Owing to be flexible connection between sieve and the body, be provided with vibrating shaft in the body, be provided with vibrating mechanism between vibrating shaft and the sieve, power input shaft drives vibrating shaft by transmission device and rotates, vibrating mechanism on the vibrating shaft can drive the sieve vibration when molding coal machine is worked like this, reach and avoid coal cinder to be stuck in purpose on the sieve, solved the key issue of coal briquette machine before boiler coal supply inequality, improved the combustion position of boiler greatly.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A cross-sectional view of Fig. 1.

The specific embodiment

As shown in Figure 1, 2, this coal briquette machine before boiler comprises body 8 and is positioned at the power input shaft 6 of its bottom, be arranged to forming roll on the power input shaft 6, format roll is made up of a pair of fixed roll that fits together 16 and action roller 16 ', cross the bottom that is arranged in body 8, the applying position on this pair of rollers surface correspondence respectively is provided with some hemispherical ball-and-sockets 24, and body 8 bottoms offer observes door 7.Power input shaft 6 ends are equipped with gear 5, gear 9 engagements on gear 5 and the tensioning power transmission shaft 3, sprocket wheel 4 is installed on the tensioning power transmission shaft 3, and sprocket wheel 4 is in transmission connection by chain 12 and the sprocket wheel 21 that is arranged in cylinder 15 ends on body 8 tops, and chain 12 drives the sprocket wheel 22 on the vibrating shaft 2 simultaneously.Cylinder 15 tops are coal bunker 23 and coal seam adjusting device 14, coal seam adjusting device 14 cooperates manipulation by the coal seam locating ring 10 and the handle 11 of body 8 sides, be provided with sieve 13 between cylinder 15 and the format roll 16, sieve 13 is made of the two rows reinforcing bar 20 that is welded together in parallel, and its end reaches the outside of action roller 16 ' vertical center line 1 '.The upper end of sieve 13 is hinged on body 8 inner back wall, the below, upper end of sieve 13 is provided with vibrating shaft 2, vibrating shaft 2 is provided with vibrating mass 19, vibrating mass 19 quantity are two, be unidirectional ratchet structure, be welded with square parallels 18 in sieve 13 and vibrating mass 19 contact positions, baffle plate 17 is welded on body 8 rear walls, be positioned at the below of sieve 13, its end reaches the inboard of fixed roll 16 vertical center lines 1.

As shown in Figure 2, clockwise rotate during fixed roll 16 work, action roller 16 ' rotates counterclockwise, and the power of fixed roll 16 drives the sprocket wheel 4 on the tensioning power transmission shaft 3 after gear 9 commutations, chain 12 drives cylinder 15 and rotates counterclockwise, and drives vibrating shaft 2 simultaneously and clockwise rotates.Cylinder 15 is involved in body 8 inside with the coal in the coal bunker 23 to be fallen on the sieve 13, sieve 13 is made up-down vibration under stirring at the interval of vibrating mass 19 on the vibrating shaft 2, vibrating mass 19 is unidirectional ratchet structure, when the boss of vibrating mass 19 turns over parallels 18 edges, sieve 13 hurtles down under the self gravitation effect, play the vibration effect, therefore lump coal can not be stuck on the screen cloth, but directly fall on the fire grate of body 8 bottoms from sieving 13 outsides that are slipped to action roller 16 ' center line 1 ', enter the burner hearth burning by fire grate.Duff is fallen on the format roll from sieve 13 mesh, baffle plate 17 has guaranteed that duff can both be fallen fixed roll 16 and action roller 16 ' is middle, fixed roll 16 and action roller 16 ' relatively rotate, the applying position on surface correspondence respectively is provided with some hemispherical ball-and-sockets 24, duff is involved in after fixed roll 16 and the action roller 16 ' like this, under the extruding of format roll, can be extruded into spherically one by one, fall then and enter burner hearth burning on the fire grate.Because the existing one deck lump coal of the bottom of fire grate is made place mat, falls equably again on the lump coal after the duff moulding, the coal seam on the fire grate is very even, has greatly improved the combustion position of boiler.

Claims

1, a kind of coal briquette machine before boiler, comprise body (8) and be positioned at its bottom power input shaft (6), power input shaft is arranged to forming roll on (6), power input shaft (6) drives the cylinder (15) on body (8) top by transmission device, be provided with sieve (13) between cylinder (15) and the format roll, the below of sieve (13) is provided with baffle plate (17), it is characterized in that: be flexible connection between described sieve (13) and the body (8), be provided with vibrating shaft (2) in the body (8), be provided with vibrating mechanism between vibrating shaft (2) and the sieve (13), power input shaft (6) drives vibrating shaft (2) by transmission device and rotates.

2, a kind of coal briquette machine before boiler as claimed in claim 1, it is characterized in that: the upper end of the sieve (13) that flexibly connects between the described and body (8) is hinged on body (8) rear wall, vibrating shaft (2) is arranged on the below, upper end of sieve (13), and described vibrating mechanism is that vibrating shaft (2) is gone up the vibrating mass (19) that is provided with.

3, a kind of coal briquette machine before boiler as claimed in claim 2 is characterized in that: described vibrating mass (19) quantity is two, is unidirectional ratchet structure, is provided with square parallels (18) in sieve (13) and vibrating mass (19) contact position.

4, as the arbitrary described a kind of coal briquette machine before boiler of claim 1 to 3, it is characterized in that: described sieve (13) is made of the two rows reinforcing bar (20) that is welded together in parallel.