Circulating fluidized bed sintering flue gas desulfurization mechanism

Abstract

The utility model relates to the technical field of sintering flue gas desulfurization, and discloses a circulating fluidized bed sintering flue gas desulfurization mechanism which comprises a circulating fluidized bed reaction tower main body, and one side of the surface of the circulating fluidized bed reaction tower main body is fixedly connected with a rotating assembly. A plurality of guide plates are distributed on the two sides of the inner wall of the circulating fluidized bed reaction tower main body in a staggered mode, a connecting pipe is fixedly connected to the upper surface of one side of the circulating fluidized bed reaction tower main body, a cyclone separator is fixedly connected to one end of the connecting pipe, and a mounting pipe is fixedly connected to one side of the cyclone separator; and one end of the mounting pipe is fixedly connected with a bag-type dust collector. According to the sintering flue gas desulfurization mechanism of the circulating fluidized bed, through the arrangement of the rotating assembly and the guide plate, the desulfurization effect is improved, the situation that in the sintering flue gas desulfurization process, the flue gas flowing speed is high, and the mixing effect of a desulfurization agent and flue gas is affected is avoided, and the desulfurization efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sintering flue gas desulfurization technical field especially relates to a kind of circulating fluidized bed sintering flue gas desulfurization mechanism. BACKGROUND

[0002] Circulating fluidized bed is to suspend a large number of solid particles in moving fluid, so that the particles have some apparent characteristics of fluid, and this fluid-solid contact state is called solid fluidization. In the process of steel smelting and sintering production, the waste gas and smoke dust contain a large amount of SO2. In order to reduce SO2 pollution, the generated sintering flue gas is desulfurized.

[0003] In the actual use of the existing circulating fluidized bed sintering flue gas desulfurization mechanism, the flue gas flows fast during the desulfurization process of the circulating fluidized bed reaction tower, and the desulfurizer is not convenient to fully react with SO2 in the flue gas, which affects the desulfurization effect. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] The utility model aims to provide a kind of circulating fluidized bed sintering flue gas desulfurization mechanism, to solve the problem that the flue gas flows fast during the desulfurization process of the circulating fluidized bed reaction tower in the above background technology, and the desulfurizer is not convenient to fully react with SO2 in the flue gas, which affects the desulfurization effect.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of circulating fluidized bed sintering flue gas desulfurization mechanism, including circulating fluidized bed reaction tower main part, the surface of the circulating fluidized bed reaction tower main part one side is fixedly connected with rotating component, the inner wall of the circulating fluidized bed reaction tower main part both sides are distributed with several guide plates, the upper surface of the one side of the circulating fluidized bed reaction tower main part is fixedly connected with connecting pipe, the one end of the connecting pipe is fixedly connected with cyclone separator, the one side of the cyclone separator is fixedly connected with installation pipe, the one end of the installation pipe is fixedly connected with cloth bag dust collector, the bottom surface of the cloth bag dust collector is fixedly connected with screw conveyor, the surface of the screw conveyor is fixedly connected with anti-blocking component,

[0008] The rotating component includes a servo motor fixedly connected to the surface of the circulating fluidized bed reaction tower main part, the output end of the servo motor is spline-connected with a transmission rod, one end of the transmission rod is fixedly connected with a rotating rod, and the surface of the rotating rod is fixedly connected with a plurality of fan blades.

[0009] The anti-blocking assembly comprises a vibration motor fixedly connected to the surface of the screw conveyor, a transmission rod in spline connection with the output end of the vibration motor, and an eccentric block fixedly connected to one end of the transmission rod.

[0010] As a further scheme of the present application, the other side of the circulating fluidized bed reaction tower body surface is provided with a spray pipe, the top surface of the spray pipe is provided with a desulfurizer storage barrel, and the desulfurizer storage barrel is convenient for storing desulfurizer.

[0011] As a further scheme of the present application, the bottom end of the cyclone separator is fixedly connected with a circulating material box, and one side of the circulating material box is fixedly connected with a circulating feeding pipe, and the circulating feeding pipe is convenient for conveying solid materials.

[0012] As a further scheme of the present application, one side of the bag-type dust collector is fixedly connected with an exhaust pipe, and the bottom surface of the exhaust pipe is fixedly connected with a fan, and the fan is convenient for conveying the filtered flue gas to the chimney.

[0013] As a further scheme of the present application, one end of the fan is fixedly connected with an assembling pipe, and one end of the assembling pipe is communicated with a chimney, and the chimney is convenient for releasing the sulfur-free gas into the atmospheric environment.

[0014] As a further scheme of the present application, the other side of the circulating fluidized bed reaction tower body is fixedly connected with a sintering flue gas inlet pipe, the sintering flue gas inlet pipe is made of steel material, and the sintering flue gas inlet pipe is convenient for the flue gas to enter the inside of the circulating fluidized bed reaction tower body.

[0015] As a further scheme of the present application, the bottom surface of the screw conveyor is fixedly connected with an ash discharge pipe, and the surface of the ash discharge pipe is fixedly connected with a valve, and the ash discharge pipe is convenient for discharging the solid materials used for multiple cycles.

[0016] (Three) beneficial effects

[0017] The present application provides a circulating fluidized bed sintering flue gas desulfurization mechanism, which has the following beneficial effects:

[0018] 1. The circulating fluidized bed sintering flue gas desulfurization mechanism, through the setting of the rotating assembly and the guide plate, when in use, the sintering flue gas enters the inside of the circulating fluidized bed reaction tower body, the desulfurizer is sprayed into the inside by the spray pipe, the servo motor is started, the rotating rod drives the fan blade to rotate, the flow direction of the flue gas is changed, the diffusion area of the flue gas is increased, at the same time, when the desulfurizer reacts with the flue gas, it flows upward, passes through the guide plate, and slows down the flow speed of the sintering flue gas, so that the residence time of the sintering flue gas in the tower is increased, thereby improving the desulfurization effect, avoiding that the flow speed of the flue gas is too fast in the process of sintering flue gas desulfurization, and affecting the mixing effect of the desulfurizer and the flue gas, and improving the high efficiency of desulfurization.

[0019] 2、The circulating fluidized bed sintering flue gas desulfurization mechanism, through the setting of the anti-blocking assembly, in use, the vibration motor is started, the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block is used to obtain the exciting force, the shock is generated, the shock is transmitted to the surface of the screw conveyor, so that the solid material is conveniently conveyed, the blockage is reduced, and the solid material attached to the inside of the screw conveyor in the conveying process of the screw conveyor is avoided, long-time blockage is avoided, and the conveying efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the utility model;

[0021] Fig. 2 It is a rotating assembly structure schematic view of the utility model;

[0022] Fig. 3 It is a storage barrel structure schematic view of the utility model;

[0023] Fig. 4 It is an anti-blocking assembly structure schematic view of the utility model.

[0024] In the drawing: 1, circulating fluidized bed reaction tower main body; 2, rotating assembly; 201, servo motor; 202, rotating rod; 203, fan blade; 3, guide plate; 4, connecting pipe; 5, mounting pipe; 6, bag-type dust collector; 7, screw conveyor; 8, anti-blocking assembly; 801, vibration motor; 802, eccentric block; 9, injection pipe; 10, storage barrel; 11, circulating material box; 12, circulating feeding pipe; 13, smoke exhaust pipe; 14, fan; 15, chimney; 16, cyclone separator; 17, sintering flue gas inlet pipe. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a circulating fluidized bed sintering flue gas desulfurization mechanism, including circulating fluidized bed reaction tower main body 1, the surface of circulating fluidized bed reaction tower main body 1 one side is fixedly connected with rotating assembly 2, the inner wall of circulating fluidized bed reaction tower main body 1 both sides are distributed with several guide plates 3, the upper surface of the side of circulating fluidized bed reaction tower main body 1 is fixedly connected with connecting pipe 4, one end of connecting pipe 4 is fixedly connected with cyclone separator 16, one side of cyclone separator 16 is fixedly connected with mounting pipe 5, one end of mounting pipe 5 is fixedly connected with bag-type dust collector 6, the bottom surface of bag-type dust collector 6 is fixedly connected with screw conveyor 7, the surface of screw conveyor 7 is fixedly connected with anti-blocking assembly 8,

[0027] The rotating assembly 2 comprises a servo motor 201 fixedly connected to one side of the surface of the circulating fluidized bed reaction tower body 1, the output end of the servo motor 201 is spline-connected with a transmission rod, one end of the transmission rod is fixedly connected with a rotating rod 202, the surface of the rotating rod 202 is fixedly connected with a plurality of groups of fan blades 203, through the arrangement of the rotating assembly 2 and the guide plate 3, when in use, the sintering flue gas enters the inside of the circulating fluidized bed reaction tower body 1, the desulfurizing agent is sprayed into the inside by the spray pipe 9, the servo motor 201 is started, the rotating rod 202 drives the fan blades 203 to rotate, the flow direction of the flue gas is changed, the diffusion area of the flue gas is increased, at the same time, when the desulfurizing agent reacts with the flue gas, it flows upward, passes through the guide plate 3, the flow speed of the sintering flue gas is slowed down, the time of the sintering flue gas staying in the tower is increased, thereby the desulfurization effect is improved, the mixing effect of the desulfurizing agent and the flue gas is affected by the fast flow speed of the flue gas in the process of sintering flue gas desulfurization, the high efficiency of desulfurization is improved;

[0028] The anti-blocking assembly 8 comprises a vibration motor 801 fixedly connected to the surface of the screw conveyor 7, the output end of the vibration motor 801 is spline-connected with a transmission rod, one end of the transmission rod is fixedly connected with an eccentric block 802, through the arrangement of the anti-blocking assembly 8, when in use, the vibration motor 801 is started, the excitation force is obtained by the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block 802, the vibration is generated, the vibration is transmitted to the surface of the screw conveyor 7, thereby the solid material is conveniently conveyed, the blockage is reduced, the solid material is attached to the inside of the screw conveyor 7 in the conveying process of the screw conveyor 7, the blockage is caused for a long time, the conveying efficiency is improved.

[0029] The other side of the surface of the circulating fluidized bed reaction tower body 1 is provided with a spray pipe 9, the top surface of the spray pipe 9 is provided with a desulfurizing agent storage barrel 10, through the arrangement of the desulfurizing agent storage barrel 10, the function of conveniently storing the desulfurizing agent is achieved;

[0030] The bottom end of the cyclone separator 16 is fixedly connected with a circulating material box 11, one side of the circulating material box 11 is fixedly connected with a circulating feeding pipe 12, through the arrangement of the circulating feeding pipe 12, the function of sending the separated solid material back to the inside of the circulating fluidized bed reaction tower body 1 is achieved;

[0031] One side of the bag-type dust collector 6 is fixedly connected with an exhaust pipe 13, the bottom surface of the exhaust pipe 13 is fixedly connected with a fan 14, through the arrangement of the fan 14, the function of sending the filtered flue gas to the chimney 15 is achieved;

[0032] One end of the fan 14 is fixedly connected with an assembly pipe, one end of the assembly pipe is communicated with the chimney 15, through the arrangement of the chimney 15, the function of releasing the gas not containing sulfur into the atmosphere is achieved;

[0033] The other side of the circulating fluidized bed reaction tower body 1 is fixedly connected with a sintering flue gas inlet pipe 17, the material of the sintering flue gas inlet pipe 17 is steel, and the sintering flue gas inlet pipe 17 is arranged to allow the sintering flue gas to enter the circulating fluidized bed reaction tower body 1;

[0034] The bottom surface of the screw conveyor 7 is fixedly connected with an ash discharge pipe, and the surface of the ash discharge pipe is fixedly connected with a valve.

[0035] In the utility model, the working steps of the device are as follows:

[0036] The first step is that, in use, the sintering flue gas enters the circulating fluidized bed reaction tower body 1, the spray pipe 9 sprays the desulfurizing agent into the interior, the servo motor 201 is started, the rotating rod 202 drives the fan blade 203 to rotate, the flow direction of the flue gas is changed, the diffusion area of the flue gas is increased, and at the same time, when the desulfurizing agent reacts with the flue gas, the desulfurizing agent flows upward, passes through the guide plate 3, the flow speed of the sintering flue gas is slowed down, and the time for which the sintering flue gas stays in the tower is increased.

[0037] The second step is that, in use, the vibration motor 801 is started, the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block 802 is used to obtain the exciting force, the vibration is generated, and the vibration is transmitted to the surface of the screw conveyor 7.

[0038] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, the power mechanism, the power supply system and the control system of the device are not completely described, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0039] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art have the structure and principle which can be known by the person skilled in the art through the technical manual or through the conventional experimental method.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A circulating fluidized bed sintering off-gas desulfurization mechanism including a circulating fluidized bed reaction tower main body (1), characterized by: The one side of surface of circulating fluidized bed reaction tower body (1) is fixedly connected with rotating assembly (2), the inner wall of circulating fluidized bed reaction tower body (1) is distributed with several guide plates (3) on both sides, the upper surface of one side of circulating fluidized bed reaction tower body (1) is fixedly connected with connecting pipe (4), one end of connecting pipe (4) is fixedly connected with cyclone separator (16), one side of cyclone separator (16) is fixedly connected with mounting pipe (5), one end of mounting pipe (5) is fixedly connected with cloth bag dust collector (6), the bottom surface of cloth bag dust collector (6) is fixedly connected with screw conveyor (7), the surface of screw conveyor (7) is fixedly connected with anti-blocking assembly (8), The rotating assembly (2) includes a servo motor (201) fixedly connected to the surface of the circulating fluidized bed reaction tower body (1), the output end of the servo motor (201) is spline-connected with a transmission rod, one end of the transmission rod is fixedly connected with a rotating rod (202), and the surface of the rotating rod (202) is fixedly connected with a plurality of fan blades (203); The anti-blocking assembly (8) includes a vibration motor (801) fixedly connected to the surface of the screw conveyor (7), the output end of the vibration motor (801) is spline-connected with a transmission rod, and one end of the transmission rod is fixedly connected with an eccentric block (802).

2. The circulating fluidized bed sintering flue gas desulfurization mechanism according to claim 1, characterized in that: The other side of the surface of the circulating fluidized bed reaction tower body (1) is provided with a nozzle (9), and the top surface of the nozzle (9) is provided with a storage barrel (10).

3. The mechanism according to claim 1, characterized in that: The bottom end of the cyclone separator (16) is fixedly connected with a circulating material box (11), and one side of the circulating material box (11) is fixedly connected with a circulating feeding pipe (12).

4. The mechanism according to claim 1, characterized in that: One side of the cloth bag dust collector (6) is fixedly connected with an exhaust pipe (13), and the bottom surface of the exhaust pipe (13) is fixedly connected with a fan (14).

5. The circulating fluid bed sintering off-gas desulfurization mechanism according to claim 4, characterized in that: One end of the fan (14) is fixedly connected with an assembly pipe, and one end of the assembly pipe is communicated with a chimney (15).

6. The circulating fluid bed sintering off-gas desulfurization mechanism according to claim 1, characterized in that: The other side of the circulating fluidized bed reaction tower body (1) is fixedly connected with a sintering flue gas inlet pipe (17), and the sintering flue gas inlet pipe (17) is made of steel material.

7. The circulating fluid bed sintering off-gas desulfurization mechanism according to claim 1, characterized in that: The bottom surface of the screw conveyor (7) is fixedly connected with an ash discharge pipe, and the surface of the ash discharge pipe is fixedly connected with a valve.

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