Energy-saving sintering micro-negative pressure ignition device

Abstract

The utility model discloses an energy-saving sintering micro-negative pressure ignition device, which belongs to the technical field of micro-negative pressure ignition devices and comprises an igniter and a trolley, wheels are arranged on two sides of the bottom of the trolley, an energy-saving micro-negative pressure component is arranged at the bottom of the igniter and comprises an exhaust tube, and the exhaust tube is connected with the trolley. The exhaust pipe is arranged at the bottom of the trolley, a first connecting pipe is fixedly installed on the outer wall of one side of the exhaust pipe, a bent pipe is fixedly installed at the other end of the first connecting pipe, a second connecting pipe is fixedly installed at the other end of the bent pipe, and a negative pressure adjusting valve is arranged at the other end of the second connecting pipe. An air bellow is fixedly mounted at the bottom of the exhaust pipe; according to the energy-saving micro-negative-pressure ignition device, the energy-saving micro-negative-pressure assembly is arranged, through the design, micro-negative-pressure ignition is achieved, gas consumption can be effectively reduced, energy consumption of sintered ore is reduced, meanwhile, equipment installation and layout are reasonable, the yield and production quality of the sintered ore are greatly improved, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to micro negative pressure ignition device technical field especially relates to an energy -conserving sintering micro negative pressure ignition device. BACKGROUND

[0002] The sintering machine is a kind of equipment for the sintering treatment of iron ore powder, and is suitable for the sintering operation of large black metallurgical sintering plant, which is mainly composed of batching bin, mixing chamber and quicklime crushing chamber, etc., and is not a device, but an engineering system composed of several processes.

[0003] Nowadays, the ignition of the sintering machine in the sintering process is directly related to the hearth negative pressure at the lower end of the igniter, the higher the hearth negative pressure, the more cold air enters the hearth, the material surface is sucked into a large amount of cold air, which causes poor ignition effect of the material layer surface, not only affects the sinter quality of the material layer surface, but also causes the mixed material to be sucked into the air box, which affects the permeability of the mixed material, causes high gas consumption, and poor use effect. INVENTION CONTENTS

[0004] The utility model discloses a kind of energy-saving sintering micro negative pressure ignition devices, including igniter and trolley, the bottom of the trolley is provided with wheel on both sides, the bottom of the igniter is provided with energy-saving micro negative pressure component.

[0005] To achieve the above object, the utility model adopts the following technical scheme: an energy-saving sintering micro negative pressure ignition device, including igniter and trolley, the bottom of the trolley is provided with wheel on both sides, the bottom of the igniter is provided with energy-saving micro negative pressure component.

[0006] As a further description of the above technical solution:

[0007] The energy-saving micro negative pressure component includes air extraction pipe, the air extraction pipe is arranged at the bottom of trolley, first connecting pipe is fixedly installed on the outer wall of one side of the air extraction pipe, and elbow pipe is fixedly installed at the other end of the first connecting pipe.

[0008] As a further description of the above technical solution:

[0009] The other end of the elbow pipe is fixedly installed with second connecting pipe, and negative pressure regulating valve is arranged at the other end of the second connecting pipe.

[0010] As a further description of the above technical solution:

[0011] The bottom of the air exhaust pipe is fixedly installed with a wind box, and the bottom of the wind box is fixedly installed with a double-layer dust discharging valve.

[0012] As a further description of the above technical solution:

[0013] The bottom of the double-layer dust discharging valve is fixedly installed with a discharging pipe, and the top of the wind box is consistent with the bottom of the air exhaust pipe in specification.

[0014] As a further description of the above technical solution:

[0015] The bottom of the wind box is consistent with the top of the double-layer dust discharging valve in specification, and the bottom of the double-layer dust discharging valve is consistent with the top of the discharging pipe in specification.

[0016] As a further description of the above technical solution:

[0017] In the utility model, through setting energy-saving micro-negative pressure assembly, starting igniter, making igniter burn material layer, through adjusting negative pressure adjusting valve installed on one side of air exhaust pipe, regularly opening valve, effectively controlling negative pressure of wind box under igniter area, making it can reduce uneven shrinkage of material layer to the lowest limit, improving air permeability of material layer, stabilizing migration and development of combustion zone in material layer, prolonging flame length, improving residence time of flame on material layer surface, making fuel fully burn, through the design, realizing micro-negative pressure ignition, making it can effectively reduce coal gas consumption, thereby reducing sintering ore energy consumption, simultaneously, equipment installation layout is reasonable, making sintering ore yield and production quality greatly improve, and use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a three-dimensional structure schematic view of the energy-saving sintering micro-negative pressure ignition device.

[0019] Fig. 2 It is a three-dimensional structure schematic view of the energy-saving micro-negative pressure assembly in the energy-saving sintering micro-negative pressure ignition device.

[0020] LEGEND:

[0021] 1, igniter; 2, trolley; 3, wheel; 4, energy-saving micro-negative pressure assembly; 41, air exhaust pipe; 42, first connecting pipe; 43, elbow pipe; 44, second connecting pipe; 45, negative pressure adjusting valve; 46, wind box; 47, double-layer dust discharging valve; 48, discharging pipe. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: an energy-saving sintering micro-negative pressure ignition device, including igniter 1 and trolley 2, the bottom of the trolley 2 is provided with wheel 3 on both sides, the bottom of the igniter 1 is provided with energy-saving micro-negative pressure assembly 4;

[0024] The energy-saving micro-negative pressure assembly 4 includes an exhaust pipe 41, the exhaust pipe 41 is arranged at the bottom of the trolley 2, a first connecting pipe 42 is fixedly installed on the outer wall of one side of the exhaust pipe 41, a bend pipe 43 is fixedly installed at the other end of the first connecting pipe 42, a second connecting pipe 44 is fixedly installed at the other end of the bend pipe 43, a negative pressure regulating valve 45 is arranged at the other end of the second connecting pipe 44, a wind box 46 is fixedly installed at the bottom of the exhaust pipe 41, a double-layer dust discharging valve 47 is fixedly installed at the bottom of the wind box 46, a discharging pipe 48 is fixedly installed at the bottom of the double-layer dust discharging valve 47, the top of the wind box 46 and the bottom of the exhaust pipe 41 are consistent in specification, the bottom of the wind box 46 and the top of the double-layer dust discharging valve 47 are consistent in specification, and the bottom of the double-layer dust discharging valve 47 and the top of the discharging pipe 48 are consistent in specification.

[0025] The specific implementation is: starting the igniter 1, making the igniter 1 burn the material layer, adjusting the negative pressure regulating valve 45 installed on one side of the exhaust pipe 41, periodically opening the valve, effectively controlling the negative pressure of the wind box under the igniter 1 area, minimizing reducing the uneven shrinkage of the material layer, improving the air permeability of the material layer, stabilizing the migration and development of the combustion zone in the material layer, also prolonging the flame length, improving the residence time of the flame on the surface of the material layer, and making the fuel fully burn.

[0026] Working principle: starting the igniter 1, making the igniter 1 burn the material layer, adjusting the negative pressure regulating valve 45 installed on one side of the exhaust pipe 41, periodically opening the valve, effectively controlling the negative pressure of the wind box under the igniter 1 area, minimizing reducing the uneven shrinkage of the material layer, improving the air permeability of the material layer, stabilizing the migration and development of the combustion zone in the material layer, also prolonging the flame length, improving the residence time of the flame on the surface of the material layer, and making the fuel fully burn.

[0027] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An energy-saving sintering micro-negative pressure ignition device, comprising an igniter (1) and a trolley (2), characterized in that: The trolley (2) bottom of both sides is equipped with wheels (3), the bottom of the igniter (1) is equipped with energy-saving micro-negative pressure assembly (4).

2. The energy-saving sintering micro-negative pressure ignition device according to claim 1, characterized in that, The energy-saving micro-negative pressure assembly (4) includes an exhaust pipe (41), which is arranged at the bottom of the trolley (2), a first connecting pipe (42) is fixedly installed on the outer wall of one side of the exhaust pipe (41), and a bend pipe (43) is fixedly installed at the other end of the first connecting pipe (42).

3. The energy-saving sintering micro-negative pressure ignition device according to claim 2, characterized in that, The other end of the bend pipe (43) is fixedly installed with a second connecting pipe (44), and the other end of the second connecting pipe (44) is provided with a negative pressure regulating valve (45).

4. The energy-saving sintering micro-negative pressure ignition device according to claim 3, characterized in that, The bottom of the exhaust pipe (41) is fixedly installed with a wind box (46), and the bottom of the wind box (46) is fixedly installed with a double-layer dust valve (47).

5. The energy-saving sintering micro-negative pressure ignition device according to claim 4, characterized in that, The bottom of the double-layer dust valve (47) is fixedly installed with a discharge pipe (48), and the top of the wind box (46) is consistent with the bottom of the exhaust pipe (41).

6. The energy-saving sintering micro-negative pressure ignition device according to claim 5, characterized in that, The bottom of the wind box (46) is consistent with the top of the double-layer dust valve (47), and the bottom of the double-layer dust valve (47) is consistent with the top of the discharge pipe (48).

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