CN202296278U

CN202296278U - Pressure balance type unpowered dust removing device

Info

Publication number: CN202296278U
Application number: CN201120420376XU
Authority: CN
Inventors: 刘欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2012-07-04
Anticipated expiration: 2021-10-31

Abstract

The utility model relates to a pressure balance type unpowered dust removing device, which is characterized in that a material guide groove is arranged between an upper transmission belt and a lower transmission belt, wherein a buckle groove is arranged above the lower transmission belt, a gas-dust separation chamber, a concentric square gas-dust separation cyclone passage, a reciprocating gas-dust separation chamber and a pressure reduction device are sequentially arranged in the forward going direction of the lower transmission belt, the bottom is communicated with the buckle groove, the upper part of the concentric square gas-dust separation cyclone passage is communicated with the material guide groove, the lower part of the gas-dust separation chamber is provided with a first dust shielding curtain, the first dust shielding curtain is arranged in the buckle groove, and the first dust shielding curtain, a second dust shielding curtain, a third dust shielding curtain and the fourth dust shielding curtain are respectively arranged at the buckle grooves of the lower part of the gas-dust separation chamber, the concentric square gas-dust separation cyclone passage, the reciprocating gas-dust separation chamber and the pressure reduction device. The pressure balance type unpowered dust removing device solves the dust explosion problem in the coal conveying and dust removing process, the dust removing process is also greatly shortened, the dust removal effect is more ideal and more completed, the materials are saved, and the equipment cost is reduced.

Description

The pressure-balancing type unpowered dust removal device

Technical field

The utility model relate to a kind ofly be applied to generate electricity, the dusting equipment in the industry belt transmission transport processes such as iron and steel, coal, mine, cement, flour, harbour, particularly a kind of pressure-balancing type unpowered dust removal device.

Background technology

Decline almost or the dust problem of transfer point in order to solve the belt transportation process, the novel dust removing mode of present domestic this type of processing dust is exactly unpowered dust exhaustor.This dedusting method mainly uses physics siphon principle, energy conservation principle etc., lets dust actv. circulation in the seal channel that is provided with make the belt completion dedusting that falls back of dust energy decline.Unpowered dedusting is exactly a kind of zero carbon dedusting method fully.Through the retrieval of retrieval Chinese patent; In technique known, adopt unpowered dedusting structurally all to adopt manufacturing fully enclosed material deflector chute, guide seal groove, the main body dedusting of dust chicane and assisted dust-collecting structure to comprise the dust spray; This equipment dedusting all is to carry out in the whole sealed inside of integral body; Make dust in the dust chicane, quicken powder motion bump by uploading the material absorption dust energy that belt falls; No matter be pressure charged dedusting or buck dedusting, this just requires undertaking and promptly hinders dirt the resistance dirt curtain sealing of damping is tight again, could be locked in dust in the dedusting passage of specific manufacturing to carry out orderly dedusting.Otherwise band pressure dust will be gone out catching groove, and other dust removal installations have just lost the effect of dedusting.Because material constantly produces very big impact energy by uploading when belt drops to down the biography belt; Just have very big positive and negative pressure like this between leak free dusting equipment inside and the outside air; And the biography belt is constantly to move forward down, and resistance dirt curtain can travel forward with belt and is being with dust air pressure to hike up.Dusting equipment is too short, and the air pressure that resistance dirt curtain seals up in the dusting equipment is very difficult, and resistance dirt curtain is overstocked, stops the material operation, and resistance dirt curtain is thin excessively, and air pressure will be with dust to go out resistance dirt curtain, and dust removing effects is just very poor.And material wearing and tearing resistance dirt curtain bottom.This requires to increase the length of dusting equipment or increases the assisted dust-collecting facility like spray etc.; Control has the pressure dust and goes out catching groove; Distance is too high between belt and the following biography belt, the material impact energy is excessive or the pulsed metering transmits material if upload; Existing unpowered dedusting is difficult to rush down the impact energy of material fall rapidly, and pressure reduction can be bigger between dusting equipment inside and the outside air, and dedusting is difficult to thoroughly.These two kinds of dedusting methods have following shortcoming: one, and the dedusting method of pressure charged makes dust all concentrate on supercharging accelerating impact material in the dust chicane to absorb that the dust energy carries out, and the trestle that passes through that also has is got back in the dust chicane dust again to carry out.If this kind equipment removes coal dust; Especially power plant, coal coal yard is in the open stacked dieseling was just arranged originally, will dirt combustion phenomenon when coal runs into the coal dust of high concentration in the belt transmission; Only depend on the mono-room structure can't reach national dedusting technology standard-required; The dusting equipment that applies spray in addition has certain limitation, and some dust cannot remove, such as grain, cement, chemical, chemical fertilizer and some coal in power plant etc.The spray phenomenon one that freezes winter in the north can not be used, and also freezes easily and causes belt to stop up and the slipping of the belt phenomenon, so this kind device design imperfection.Two, the buck dedusting does not have above limitation, but dusting equipment is huge, and the imperfection part is also arranged.

Summary of the invention

The utility model has overcome the defective of above-mentioned existence; Solved the quick-fried problem of dirt in the defeated coal dust removal process; Can make that dust removal process shortens greatly, dust removal process is directly perceived more, ideal is more perfect more for dust removing effects; Saving in material reduces equipment cost, reaches the requirement of GB16248-1996 " respiratory powder gas dirt hygienic standard in the air of workplace ", and a kind of pressure-balancing type unpowered dust removal device is provided.

The utility model pressure-balancing type unpowered dust removal device content Description:

The utility model pressure-balancing type unpowered dust removal device; It is characterized in that: be by the material deflector chute, pass belt top catching groove, gas dirt separation chamber, Back Word type gas dirt down and separate chicane, reciprocating type gas dirt separation chamber, pressure purger and 4 dust-break curtains and constitute; Uploading belt and between the biography belt material deflector chute is being set down; The top that passes belt down is provided with catching groove; Set gradually gas dirt separation chamber, the separation of Back Word type gas dirt chicane, reciprocating type gas dirt separation chamber and pressure purger at the preceding line direction that passes belt down, the bottom communicates with catching groove, and the top that Back Word type gas dirt separates chicane communicates with the material deflector chute; Be provided with dust-break curtain I in the bottom of gas dirt separation chamber; Dust-break curtain I is arranged in the catching groove, in the bottom catching groove of gas dirt separation chamber, Back Word type gas dirt separation chicane, reciprocating type gas dirt separation chamber, is respectively equipped with dust-break curtain I, dust-break curtain II, dust-break curtain III and dust-break curtain IV.

Pressure purger is separately positioned on gas dirt separation chamber, Back Word type gas dirt separates in chicane, the reciprocating type gas dirt separation chamber and the side of catching groove.

Pressure purger is a detouchable dust-filtering net.

Pressure purger communicates with the external world, and the shape of pressure purger is square, or oblong, circle, triangle, rhombus, trapezium structure, and reciprocating type gas dirt separation chamber communicates with catching groove through the return flow line.

The quantity of gas dirt separation chamber is 1, and the quantity of reciprocating type gas dirt separation chamber is 2.

The utility model pressure-balancing type unpowered dust removal device; Solved the quick-fried problem of dirt in the defeated coal dust removal process; Can make that dust removal process shortens greatly, dust removal process is directly perceived more, ideal is more perfect more for dust removing effects; The saving in material cost can reach the requirement of GB16248-1996 " respirable dust hygienic standard in the air of workplace " fully.

Description of drawings

Fig. 1 is a pressure-balancing type unpowered dust removal device structural representation

Among the figure: the 1st, material deflector chute, the 2nd, following biography belt top catching groove, the 3rd, gas dirt separation chamber, the 4th, Back Word type gas dirt separates chicane, the 5th, reciprocating type gas dirt separation chamber, the 6th, pressure purger, the 7th, dust-break curtain I, the 8th, dust-break curtain II, the 9th, dust-break curtain III, the 10th, dust-break curtain IV, the 11st is uploaded belt, the 12nd, following biography belt, the 13rd, return flow line.

The specific embodiment

The theory that the utility model pressure-balancing type unpowered dust removal device utilizes physics siphon principle, energy conservation principle and gas dirt to separate; Make the airborne dust energy decline, have the environment that the clean gas of energy flows out through the pressure-balancing type unpowered dust removal device; The airborne dust rule is fallen after rise on the transmission belt, accomplish effective dedusting.In the utility model pressure-balancing type unpowered dust removal device; Adopt gas dirt separation method to make the interior air pressure of catching groove and the barometric pressure of outside air reach balance fast; Make the dust energy depleted fast; The mode of the step-down dedusting that dust is no longer kicked up makes also when solving the quick-fried problem of the dirt of coal dust that dust removal process shortens greatly, dust removal process is directly perceived more, can save lot of materials reduces equipment cost, and dust removing effects more improves desirable; The requirement of GB16248-1996 " respirable dust hygienic standard in the air of workplace " can be reached fully, the dust content in the normal air can be reached.

Do below in conjunction with accompanying drawing and to specify; See Fig. 1; The pressure-balancing type unpowered dust removal device is by: material deflector chute 1, passes belt top catching groove 2, gas dirt separation chamber 3, Back Word type gas dirt down and separate chicane 4, reciprocating type gas dirt separation chamber 5,

pressure purger

6 and 4 dust-break curtains and constitute, and is uploading belt 11 and between the biography belt 12 material deflector chute 1 is being set down; The top that passes belt 12 down is provided with catching groove 2; Set gradually gas dirt separation chamber 3, Back Word type gas dirt separation chicane 4, reciprocating type gas dirt separation chamber 5 at the preceding line direction that passes belt 12 down, the bottom communicates with catching groove 2, and the top that Back Word type gas dirt separates chicane 4 communicates with material deflector chute 1; Be provided with dust-break curtain I 7 in the bottom of gas dirt separation chamber 3; Dust-break curtain I 7 is arranged in the catching groove 2, in the bottom catching groove 2 of gas dirt separation chamber 3, Back Word type gas dirt separation chicane 4, reciprocating type gas dirt separation chamber 5, is respectively equipped with dust-break curtain I 7, dust-break curtain II 8, dust-break curtain III 9 and dust-break curtain IV 10.

Pressure purger 6 is separately positioned on gas dirt separation chamber 3, Back Word type gas dirt separates in chicane 4, the reciprocating type gas dirt separation chamber 5 and the side of catching groove 2.

Pressure purger 6 is detouchable dust-filtering nets.

Pressure purger 6 communicates with the external world, and the shape of pressure purger can be square, or oblong, circle, triangle, rhombus, trapezium structure form, and reciprocating type gas dirt separation chamber 5 communicates with catching groove 2 through return flow line 13.

The quantity of gas dirt separation chamber 3 is 1, and the quantity of reciprocating type gas dirt separation chamber 5 is 2.

Working process: material drops to down beginning airborne dust in the catching groove 2 that passes above the belt 12 through uploading belt 11 through material deflector chute 1; Pressure purger 6 through in the catching groove 2 is laid down most dust pressure; Other minimum part dust stops that through the dust-break curtain I 7 gets in the gas dirt separation chamber 3; Carry out gas dirt by the pressure purgers 6 in the gas dirt separation chamber 3 and separate, the dust belt that falls back.Overwhelming majority dust is along the direction operation that moves ahead of belt; The dust-break curtain II 8 entering Back Word gas dirt of the The initial segment of dust bump Back Word type gas dirt separation chicane 4 separate to circle round and lead in 4; Separating the circulating gas dirt that the pressure purger 6 circle round in logical 4 do not stop by Back Word gas dirt separates; Because the relative hermetically-sealed construction that the dust-break curtain forms is because dust separates with powder Back Word type gas dirt between the chicane 4 through still having the siphonage of any after rushing down pressure at material deflector chute 1.Be negative pressure in the material deflector chute 1, it is malleations that Back Word type gas dirt separates chicane 4.Dust separates in chicane 4 uphill process kinetic energy along Back Word type gas dirt to be reduced potential energy and increases the inwall that separates chicane chicane 4 simultaneously with dust Back Word type gas dirt and friction takes place produce some energy of some heat exhaustions; Bump also consumes part energy between the dust simultaneously; Kinetic energy reaches the minimum potential energy maximum when circling round logical 4 top when dust separates to Back Word type gas dirt; Back Word type gas dirt separates logical 4 the top of circling round will be higher than the interface that communicates with material deflector chute 1, could air-flow forward be got into like this and accomplish effectively circulation in the material deflector chute 1.Dust along Back Word type gas dirt separate the logical dirt chicane 4 of circling round when descending kinetic energy increase potential energy gradually and reduce gradually; When dust gets in the material deflector chute 1 with material deflector chute 1 in material bump against to bump against with material deflector chute 1 inwall again and produce a part of heat, the energy major part depletion of the dust belt that falls is back accomplished one tunnel dedusting in the Back Word type gas dirt separation chicane 4 like this.The residue low amounts of dust pours in the reciprocating type gas dirt separation chamber 5, does not stop shuttle gas dirt by pressure purger 6 in the reciprocating type gas dirt separation chamber 5 and separates the dedusting step-down, because the effect of dust-break curtain III 9 and dust-break curtain IV 10 is successively decreased the dust energy step by step.

High concentration high pressure dust energy moment that dust energy d/d gas dirt of moment separation type dedusting method makes in the catching groove and Back Word type gas dirt separates in circle round logical dirt chicane, the reciprocating type gas dirt separation chamber is released; Approaching with outside air air pressure; Be decomposed simultaneously and separate the gas dirt separation of rushing down pressure type in chicane, the reciprocating type gas dirt separation chamber at catching groove, gas dirt separation chamber, Back Word type gas dirt; Reach catching groove internal gas pressure and external air pressure balance rapidly, dust has no longer swung.The present invention had both solved the hermetically-sealed construction dust concentration with method the most easily and had been prone to the quick-fried problem of dirt when too high like this, can solve again simultaneously because the bad leak free specialty of the excessive dust-break curtain of a catching groove internal pressure difficult problem makes dust removing effects desirable more.

Claims

1. pressure-balancing type unpowered dust removal device; It is characterized in that: be by material deflector chute (1), pass belt top catching groove (2), gas dirt separation chamber (3), Back Word type gas dirt down and separate chicane (4), reciprocating type gas dirt separation chamber (5), pressure purger (6) and 4 dust-break curtains formations; Uploading belt (11) and between the biography belt (12) material deflector chute (1) is being set down; The top that passes belt (12) down is provided with catching groove (2); Set gradually gas dirt separation chamber (3), Back Word type gas dirt separation chicane (4), reciprocating type gas dirt separation chamber (5) at the preceding line direction that passes belt (12) down; The bottom communicates with catching groove (2), and the top that Back Word type gas dirt separates chicane (4) communicates with material deflector chute (1); Be provided with dust-break curtain I (7) in the bottom of gas dirt separation chamber (3); Dust-break curtain I (7) is arranged in the catching groove (2), in the bottom catching groove (2) of gas dirt separation chamber (3), Back Word type gas dirt separation chicane (4), reciprocating type gas dirt separation chamber (5), is respectively equipped with dust-break curtain I (7), dust-break curtain II (8), dust-break curtain III (9) and dust-break curtain IV (10).

2. pressure-balancing type unpowered dust removal device according to claim 1 is characterized in that: pressure purger (6) is separately positioned on gas dirt separation chamber (3), Back Word type gas dirt separates the side that chicane (4), reciprocating type gas dirt separation chamber (5) upward reach catching groove (2).

3. pressure-balancing type unpowered dust removal device according to claim 1 is characterized in that: pressure purger (6) is a detouchable dust-filtering net.

4. pressure-balancing type unpowered dust removal device according to claim 1; It is characterized in that: pressure purger (6) communicates with the external world; The shape of pressure purger is square; Or oblong, circle, triangle, rhombus, trapezium structure form, reciprocating type gas dirt separation chamber (5) communicates with catching groove (2) through return flow line (13).

5. pressure-balancing type unpowered dust removal device according to claim 1 is characterized in that: the quantity of described gas dirt separation chamber (3) is 1, and the quantity of reciprocating type gas dirt separation chamber (5) is 2.