Dry quenching flue gas desulfurization device

Abstract

The utility model relates to the technical field of flue gas desulfurization devices, in particular to a dry quenching flue gas desulfurization device which is characterized in that a cylindrical dust collection bag is arranged in a box body, and a mounting plate and an air supply pipe are arranged in the box body; a mounting groove is formed in the mounting plate; the device has the beneficial effects that the flow speed in the pipe can be adjusted by rotating the opening and closing angle of the valve, the flow speed of gas in the connecting branch pipe is monitored through the insertion type wind speed monitoring device fixedly installed on the connecting branch pipe, the flow speed is reduced as much as possible on the premise that dust is not collected in the pipeline, and the flow speed in the pipeline is controlled between 18 m / s and 20 m / s; due to the proper flow speed, dust-containing gas can stably flow in the pipeline, dependence on slaked lime is reduced, the flow speed of the gas flowing into the box body is reduced, sulfur dioxide in the gas fully reacts with the slaked lime in the slaked lime storage tank, the situation that the consumption of the slaked lime is increased due to insufficient reaction caused by too high flow speed is avoided, and the personnel maintenance frequency is reduced; and the working efficiency and the stability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flue gas desulfurization device technical field, specifically is a dry quenching flue gas desulfurization device. BACKGROUND

[0002] In order to prevent the harm of dust generated in the dry quenching coke oven production process to the operator, in the production process, in addition to the maximum sealing of the production equipment, according to the production process and equipment operation, the mechanical dust removal system is set, the dust-containing gas is purified through the pulse bag type dust collector, and is discharged to the outdoor through the ventilator and the chimney.

[0003] In the prior art, there is a lot of sulfur dioxide in the dry quenching flue gas, which needs to be adsorbed by lime on the desulfurization device.

[0004] However, the traditional flue gas desulfurization device does not monitor and adjust the flow rate of the flue gas in the pipeline entering the device, and when the flue gas flow rate is too fast, the reaction is insufficient and the lime consumption is increased, and the personnel need to frequently maintain the device, the efficiency and stability are low, therefore, the utility model provides a dry quenching flue gas desulfurization device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a dry quenching flue gas desulfurization device to solve the problems in the above background art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a dry quenching flue gas desulfurization device, comprising: a box body, a cylindrical dust cloth bag is arranged in the box body, an installation plate and an air supply pipe are arranged in the box body, the air supply pipe is connected with a main connecting pipe, the main connecting pipe is connected with a branch connecting pipe, an insertion type air velocity monitoring device and a valve are installed on the branch connecting pipe.

[0007] The installation plate is provided with a mounting groove, and a filter device body is installed on the installation plate.

[0008] Preferably, the filter device body comprises a connecting plate, the connecting plate is in a circular plate structure, the diameter of the connecting plate is greater than the inner diameter of the mounting groove provided on the installation plate, and the mounting groove is in a circular groove structure.

[0009] Preferably, the connecting plate is fixedly connected with the inner lime storage tank, the cylindrical dust cloth bag is fixedly installed on the connecting plate, and the connecting plate is provided with a mounting cover plate.

[0010] Preferably, the mounting plate is in a square plate structure, a plurality of mounting grooves are formed in the mounting plate, the mounting plate is fixedly connected with the inner side of the box, a cover is mounted on the box by bolts, and a support is fixedly connected with the outer side of the box.

[0011] Preferably, a fan is fixedly mounted on the outer side of the box, an air suction pipe is fixedly mounted on the air suction port of the fan, and the other end of the air suction pipe is fixedly mounted at the air outlet formed in the side of the box.

[0012] Preferably, an insertion type wind speed monitoring device and a valve are fixedly mounted on the connecting branch pipe, the other end of the connecting branch pipe is fixedly connected with the connecting main pipe, the connecting main pipe is communicated with the connecting branch pipe, a plurality of air supply pipes are fixedly connected with the connecting main pipe, the air supply pipes are communicated with the connecting main pipe, the other ends of the air supply pipes are fixedly connected with the box, and the air supply pipes are communicated with the inside of the box.

[0013] Compared with the prior art, the device has the advantages that:

[0014] The dry quenching flue gas desulfurization device can adjust the flow rate in the pipe by rotating the valve, monitor the flow rate of the gas in the connecting branch pipe by the insertion type wind speed monitoring device fixedly mounted on the connecting branch pipe, and control the flow rate in the pipe to be between 18-20 m / s under the premise that dust is not collected in the pipe, so that the dust-containing gas can stably flow in the pipe, the dependence on the lime is reduced, the flow rate of the gas flowing into the box is reduced, the sulfur dioxide in the gas can fully react with the lime in the lime storage tank, the lime consumption is reduced due to insufficient reaction caused by too high flow rate, the personnel maintenance frequency is reduced, the working efficiency and the stability of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a device structure schematic view of the utility model;

[0016] Figure 2 It is Figure 1 It is an enlarged structure schematic view of A in the middle;

[0017] Figure 3 It is an internal structure schematic view when the device is normally used and installed;

[0018] Figure 4 It is an internal partial structure schematic view of the device;

[0019] Figure 5 It is a partial structure cross section schematic view of the device.

[0020] In the figure: 1, box; 2, support; 3, upper cover; 4, fan; 5, exhaust pipe; 6, air outlet; 7, connecting branch pipe; 8, plug-in wind speed monitoring device; 9, valve; 10, connecting main pipe; 11, air supply pipe; 12, mounting plate; 13, mounting groove; 14, filter device main body; 15, connecting plate; 16, mounting cover plate; 17, internal slaked lime storage tank; 18, cylindrical dust cloth bag. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model to carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor, belong to the scope of the protection of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a dry quenching coke flue gas desulfurization device, include: box 1, the box 1 is provided with cylindrical dust cloth bag 18, the box 1 is provided with mounting plate 12 and air supply pipe 11, air supply pipe 11 is connected with connecting main pipe 10, connecting main pipe 10 is connected with connecting branch pipe 7, and plug-in wind speed monitoring device 8 and valve 9 are installed on connecting branch pipe 7;Mounting plate 12, mounting groove 13 is set up on mounting plate 12, and filter device main body 14 is installed on mounting plate 12, and filter device main body 14 includes connecting plate 15 and internal slaked lime storage tank 17;

[0024] The plug-in wind speed monitoring device 8 involved in the utility model is a wind pipe pipeline wind speed transmitter VS50A online integrated plug-in wind speed sensor produced by Nanjing Nengzhao.

[0025] Specific use, can be adjusted to the flow rate in the pipe by rotating the opening angle of valve 9, the flow rate of the gas in the connecting branch pipe 7 is monitored by the plug-in wind speed monitoring device 8 fixedly installed on the connecting branch pipe 7, under the premise of not dusting in the pipeline, the flow rate is reduced as much as possible, and the flow rate in the pipeline is controlled between 18-20 m / s.Suitable flow rate can make the dust-containing gas flow stably in the pipeline, reduce the dependence on slaked lime, avoid increasing the amount of slaked lime due to insufficient reaction caused by too fast flow rate, reduce the frequency of personnel maintenance, improve the working efficiency of the device and the stability of the device.

[0026] Embodiment two

[0027] On the basis of embodiment one in order to improve the efficiency of the device is provided with box 1, box 1 outside fixed installation of fan 4, fan 4 suction port fixed installation of suction pipe 5, suction pipe 5 the other end fixed installation in the box 1 side opening of air outlet 6, by starting fan 4, through the suction pipe 5 via the box 1 side opening of air outlet 6 place for suction, in the box 1 form negative pressure, with the air supply pipe 11, connecting pipe 10 and connecting branch pipe 7 for suction operation, through the fan 4 output port discharge;

[0028] The connecting branch pipe 7 is fixedly installed with plug-in type wind speed monitoring device 8 and valve 9, the other end of the connecting branch pipe 7 is fixedly connected with the connecting main pipe 10, and the connecting main pipe 10 is in communication with the connecting branch pipe 7, a plurality of air supply pipes 11 are fixedly connected to the connecting main pipe 10, the air supply pipes 11 are in communication with the connecting main pipe 10, the other end of the air supply pipes 11 is fixedly connected with the box 1, and the air supply pipes 11 are in communication with the box 1, the connecting branch pipe 7 is connected with the dust suction branch pipe in the room, and the air supply pipe 11, the connecting main pipe 10 and the connecting branch pipe 7 are used for suction operation, and dust is sucked into the device;

[0029] The connecting plate 15 is fixedly connected with the internal slaked lime storage tank 17, the internal slaked lime storage tank 17 is fixedly installed with the cylindrical dust removal cloth bag 18, the upper end of the cylindrical dust removal cloth bag 18 is fixedly installed on the connecting plate 15, and the mounting cover plate 16 is mounted on the connecting plate 15 through bolts, the filter device main body 14 comprises the connecting plate 15, the internal slaked lime storage tank 17 and the cylindrical dust removal cloth bag 18, a plurality of micropores are formed in the side surface of the internal slaked lime storage tank 17, slaked lime is placed in the internal slaked lime storage tank 17, dust in the gas is filtered through the cylindrical dust removal cloth bag 18, sulfur dioxide in the gas is adsorbed through the slaked lime placed in the internal slaked lime storage tank 17, the content of sulfur dioxide in the discharged gas is reduced, and the opening angle of the valve 9 can be adjusted to adjust the flow rate in the pipe, the flow rate of the gas in the connecting branch pipe 7 is monitored through the plug-in type wind speed monitoring device 8 fixedly installed on the connecting branch pipe 7, when the probe is inserted into the airflow, the airflow will generate a force on the probe, and the force is closely related to the speed of the airflow. The inside of the probe is usually equipped with a thermosensitive element or a pressure sensor, which indirectly reflects the wind speed by measuring the temperature change or the pressure difference. Personnel can detect the flow rate in the pipe through it, and under the premise that dust is not collected in the pipe, the flow rate is reduced as much as possible, and the flow rate in the pipe is controlled between 18-20 m / s. The appropriate flow rate can make the dust-containing gas flow stably in the pipe, reduce the dependence on slaked lime, avoid increasing the amount of slaked lime due to insufficient reaction caused by too fast flow rate, reduce the frequency of personnel maintenance, improve the working efficiency of the device and the stability of the device.

[0030] Embodiment three

[0031] In order to improve the use effect of the device on the basis of embodiment two, the filter device body 14 is provided, the filter device body 14 includes a connecting plate 15, the connecting plate 15 is in a circular plate structure, the diameter of the connecting plate 15 is greater than the inner diameter of the mounting groove 13 opened on the mounting plate 12, the mounting groove 13 is in a circular groove structure, the inner diameter of the quicklime storage tank 17 is smaller than the mounting groove 13, and the structure composed of the quicklime storage tank 17 and the cylindrical dust cloth bag 18 can slide along the mounting groove 13 opened on the mounting plate 12, the connecting plate 15 is clamped on the mounting plate 12, and then the filter device body 14 is mounted on the device;

[0032] The mounting plate 12 is in a square plate structure, a plurality of mounting grooves 13 are opened on the mounting plate 12, the mounting plate 12 is fixedly connected with the inner side of the box body 1, the box body 1 is provided with an upper cover 3 through bolts, the outer side of the box body 1 is fixedly connected with a support 2, a plurality of micro-holes are opened on the upper cover 3, after the upper cover 3 is disassembled, the filter device body 14 can be disassembled and maintained, which is convenient for personnel to use, and the cover plate 16 is mounted on the connecting plate 15, so that the opening above the quicklime storage tank 17 can be plugged.

[0033] Working principle: in actual use, the flow rate in the pipe can be adjusted by rotating the valve 9, the flow rate of the gas in the connecting branch pipe 7 is monitored by the plug-in type wind speed monitoring device 8 fixedly installed on the connecting branch pipe 7, under the premise that dust is not collected in the pipeline, the flow rate is as low as possible, and the flow rate in the pipeline is controlled between 18-20 m / s, the appropriate flow rate can make the dust-containing gas flow stably in the pipeline, reduce the dependence on quicklime, reduce the flow rate of the gas flowing into the box body 1, make the sulfur dioxide in the gas fully react with the quicklime in the quicklime storage tank 17, avoid increasing the amount of quicklime due to insufficient reaction caused by too fast flow rate, reduce the personnel maintenance frequency, improve the working efficiency and stability of the device.

[0034] 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 these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dry quenching flue gas desulfurization device, comprising: The utility model relates to a dust filter, which comprises a box (1), wherein a cylindrical dust cloth bag (18) is arranged in the box (1), characterized in that the box (1) is provided with a mounting plate (12) and a blast pipe (11), the blast pipe (11) is connected with a connecting main pipe (10), the connecting main pipe (10) is connected with a connecting branch pipe (7), the connecting branch pipe (7) is provided with an insertion type wind speed monitoring device (8) and a valve (9). The mounting plate (12) is provided with a mounting groove (13), and a filter device body (14) is mounted on the mounting plate (12), wherein the filter device body (14) comprises a connecting plate (15) and an internal slaked lime storage tank (17).

2. A dry quenching flue gas desulphurization device according to claim 1, characterized in that: The filter device body (14) comprises a connecting plate (15) in a circular plate structure, and the diameter of the connecting plate (15) is greater than the inner diameter of the mounting groove (13) of the mounting plate (12), and the mounting groove (13) is in a circular groove structure.

3. A dry quenching flue gas desulphurization device as claimed in claim 1, wherein: The connecting plate (15) is fixedly connected with the internal slaked lime storage tank (17), the internal slaked lime storage tank (17) is fixedly provided with the cylindrical dust cloth bag (18), the upper end of the cylindrical dust cloth bag (18) is fixedly mounted on the connecting plate (15), and the connecting plate (15) is provided with a mounting cover plate (16) mounted through bolts.

4. A dry quenching flue gas desulphurization device as claimed in claim 1, wherein: The mounting plate (12) is in a square plate structure, and a plurality of mounting grooves (13) are formed in the mounting plate (12), the mounting plate (12) is fixedly connected with the inner side of the box (1), the box (1) is provided with an upper cover (3) mounted through bolts, and the outer side of the box (1) is fixedly connected with a support (2).

5. A dry quenching flue gas desulphurization device as claimed in claim 1, wherein: The box (1) is fixedly provided with a fan (4) on the outer side, the fan (4) is provided with an exhaust pipe (5) fixedly mounted on the suction port, and the other end of the exhaust pipe (5) is fixedly mounted at an air outlet (6) formed on the side of the box (1).

6. A dry quenching flue gas desulphurization device as claimed in claim 1, wherein: The connecting branch pipe (7) is fixedly provided with an insertion type wind speed monitoring device (8) and a valve (9), the other end of the connecting branch pipe (7) is fixedly connected with the connecting main pipe (10), the connecting main pipe (10) is in communication with the connecting branch pipe (7), a plurality of blast pipes (11) are fixedly connected with the connecting main pipe (10), the blast pipes (11) are in communication with the connecting main pipe (10), the other ends of the blast pipes (11) are fixedly connected with the box (1), and the blast pipes (11) are in communication with the box (1).

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