Jet device for emergency flue gas deacidification

Abstract

The utility model discloses a jet device for emergency flue gas deacidification, and belongs to the technical field of flue gas deacidification. A jet device for emergency flue gas deacidification comprises a supporting column and desulfurization towers arranged on the periphery of the supporting column in a circumferential array mode, flues communicated with the desulfurization towers are fixedly installed on the surfaces of the desulfurization towers, and a support is fixedly installed on one side of each desulfurization tower. According to the spraying device for emergency flue gas deacidification, an electric telescopic rod stretches out, a quantitative cylinder moves to the position above a dry powder storage tank, at the moment, dry powder in the quantitative cylinder enters the dry powder storage tank, quantitative feeding of the dry powder in the dry powder storage tank is achieved, at the moment, an outlet pneumatic valve and an inlet pneumatic valve are opened, and a draught fan works; dry powder in the dry powder storage tank is jetted into the flue through the conveying pipe to be desulfurized, quantitative feeding is performed on the dry powder storage tank, so that the jetting device stably operates for a long time, the jetting device and the conveying pipe are not prone to being blocked, the dry powder conveying capacity is improved, and then the deacidification efficiency of the dry powder in the system is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas deacidification technology field more specifically, relate to a kind of emergency flue gas deacidification's injection device. BACKGROUND

[0002] Desulfurization tower is a kind of tower type equipment for industrial waste gas desulfurization treatment, mainly used for removing harmful gases such as sulfur dioxide from industrial waste gas to reduce environmental pollution and protect human health, flue gas deacidification needs dry powder for desulfurization, and the injection of dry powder needs to use injection device.

[0003] Chinese patent application No. CN202120258414.X discloses a dry powder emergency injection device in a waste incineration flue gas purification deacidification system, belonging to the technical field of purification environmental protection device, comprising a bin body, a fluidization device is arranged at the lower end of the bin body, a rapping device is arranged at the lower end of the fluidization device, a transmission pipe is arranged at the lower end of the rapping device, a drop hopper is arranged on the outer surface of the lower end of the transmission pipe, a stirring device is arranged at the lower end of the drop hopper, a primary motor is arranged on one side of the stirring device, and a support table is arranged at the lower end of the stirring device.

[0004] The above technical solution can effectively prevent powder from absorbing water and dissolving, causing blockage, and can effectively slow down the hardening phenomenon. The stirring device can stir the material more uniformly, and the material is not attached to the hopper wall, so that the lime can be evenly filled into the screw. However, the existing dry powder deacidification system has limited conveying capacity, which can only meet the deacidification treatment capacity of one boiler, and cannot be operated stably for a long time. Long-term operation, injector and conveying pipe are easy to accumulate dust and block, blockage of dry powder conveying pipeline, low dry powder conveying capacity, and affect the deacidification efficiency of dry powder in the system. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of emergency flue gas deacidification's injection device, to solve the problems raised in the above background technology:

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides an emergency flue gas deacidification injection device, including support column and circumferential array desulfurization tower around it, the surface of desulfurization tower is fixedly installed with flue with its intercommunication, one side of desulfurization tower is fixedly installed with support, the surface of support is fixedly installed with the conveying pipe with flue intercommunication, the middle part of conveying pipe is fixedly installed with fan, the both ends surface of conveying pipe is fixedly installed with outlet pneumatic valve and inlet pneumatic valve respectively, and outlet pneumatic valve and inlet pneumatic valve are located the both sides of fan, one end of conveying pipe is fixedly installed with dry powder storage tank with its intercommunication, the surface of dry powder storage tank is fixedly installed with dry powder ration feeder, the end surface of dry powder ration feeder is fixedly installed with dry powder storage box, the surface of dry powder ration feeder is seted with the notch, the bottom surface of dry powder storage box is seted with the discharge port with the notch intercommunication, and the inside of dry powder ration feeder is slidably connected with ration cylinder with intercommunication.

[0008] Preferably, when the ration cylinder is located below the notch, the top end of the ration cylinder is in communication with the notch, and the bottom surface of the ration cylinder is closed, when the ration cylinder is located above the dry powder storage tank, the bottom end of the ration cylinder is in communication with the dry powder storage tank, and the top end of the ration cylinder is closed.

[0009] Preferably, the surface of any one of the ration cylinders is fixedly installed with a connecting plate, one end of the connecting plate penetrates through the dry powder ration feeder, and the end surface of the connecting plate is fixedly installed with a fixing plate.

[0010] Preferably, the surface of the support column is fixedly installed with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with the surface of the fixing plate.

[0011] Preferably, the surface of the support column is fixedly installed with a controller, the controller is electrically connected with the electric telescopic rod through wires, and the controller is electrically connected with the outlet pneumatic valve and the inlet pneumatic valve through wires.

[0012] Preferably, the top end surface of the support column is fixedly installed with a disc feeder distributor, the surface of the disc feeder distributor is fixedly installed with a powder inlet pipe, the inside bottom surface of the disc feeder distributor is rotatably connected with a rotating device, the bottom surface of the disc feeder distributor is provided with a bottom groove, and the dry powder storage box and the disc feeder distributor are fixedly installed with a connecting shell.

[0013] Preferably, the disc feeder distributor is in communication with the dry powder storage box through the bottom groove and the connecting shell.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1) the emergency flue gas deacidification injection device in use, through the electric telescopic rod, make the quantitative cylinder move to the upper of the dry powder storage tank, at this time the dry powder in the quantitative cylinder enters the dry powder storage tank, realize the dry powder quantitative feeding to the dry powder storage tank, at this time the outlet pneumatic valve and the inlet pneumatic valve open, the fan works, the dry powder in the dry powder storage tank is injected into the flue through the conveying pipe for desulfurization, the dry powder storage tank is quantitatively fed, the injection device is long-term stable operation, and the injector and the conveying pipe are not easy to block, improve the dry powder conveying capacity, and further improve the deacidification efficiency of the dry powder in the system.

[0016] 2) the emergency flue gas deacidification injection device in use, the dry powder in the lime bin is conveyed through the screw feeder, is conveyed to the disc feeder distributor inside through the powder inlet pipe, the dry powder is distributed and falls through a plurality of bottom grooves by the rotation of the rotation device, and then falls into a plurality of dry powder storage boxes through the respective connecting shells for storage, when the flue of the desulfurization tower is injected with dry powder, the dry powder storage box quantitatively feeds the dry powder to the dry powder storage tank through the dry powder quantitative feeder, and then realizes the injection of dry powder desulfurization to a plurality of desulfurization towers through the fan, and the dry powder injection system can work independently, thereby meeting the single furnace deacidification requirement. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the disc feeder distributor internal structure schematic view of the utility model;

[0019] Figure 3 It is the controller installation position structure schematic view of the utility model;

[0020] Figure 4 It is the fan installation position structure schematic view of the utility model;

[0021] Figure 5 It is the dry powder quantitative feeder and powder storage box position structure schematic view of the utility model;

[0022] Figure 6 It is the dry powder quantitative feeder internal structure schematic view of the utility model.

[0023] Explanation of reference numerals in the drawing: 1, support column; 2, desulfurization tower; 3, flue; 4, support; 5, conveying pipe; 6, fan; 7, outlet pneumatic valve; 8, inlet pneumatic valve; 9, dry powder storage tank; 10, dry powder quantitative feeder; 11, slot; 12, quantitative cylinder; 13, dry powder storage box; 14, discharge port; 15, connecting plate; 16, fixed plate; 17, electric telescopic rod; 18, controller; 19, disc feeder distributor; 20, powder inlet pipe; 21, bottom groove; 22, rotation device; 23, connecting shell. DETAILED DESCRIPTION

[0024] Embodiment 1: Please refer to Figure 1 Figure 6 The utility model provides an emergency flue gas deacidification injection device, including support column 1 and circumferential array desulfurization tower 2 around it, desulfurization tower 2 is the desulfurization equipment of prior art, the surface of desulfurization tower 2 is fixedly installed with the flue 3 that communicates with it, and the surface of support 4 is fixedly installed with conveying pipe 5 that communicates with flue 3 on one side of desulfurization tower 2, conveying pipe 5 is used to deliver dry powder, and the middle part of conveying pipe 5 is fixedly installed with fan 6, and fan 6 is the Roots fan 6 of prior art, and the surface of conveying pipe 5 is fixedly installed with outlet pneumatic valve 7 and inlet pneumatic valve 8 respectively at both ends, and outlet pneumatic valve 7 and inlet pneumatic valve 8 are the electromagnetic on-off valve of prior art, and outlet pneumatic valve 7 and inlet pneumatic valve 8 are located on both sides of fan 6, and one end of conveying pipe 5 is fixedly installed with dry powder storage tank 9 that communicates with it, and the surface of dry powder storage tank 9 is fixedly installed with dry powder ration feeder 10, and dry powder ration feeder 10 makes dry powder ration delivery, and the end surface of dry powder ration feeder 10 is fixedly installed with dry powder storage box 13, and the surface of dry powder ration feeder 10 is provided with slot 11, and the bottom surface of dry powder storage box 13 is provided with discharge port 14 that communicates with slot 11, and the inside of dry powder ration feeder 10 is slidably connected with ration cylinder 12 that matches it, and by the extension of electric telescopic rod 17, ration cylinder 12 moves to the top of dry powder storage tank 9, at this time, the dry powder in the inside of ration cylinder 12 enters dry powder storage tank 9, realizes the ration feeding of dry powder to dry powder storage tank 9, at this time, outlet pneumatic valve 7 and inlet pneumatic valve 8 open, and fan 6 works, and the dry powder in the inside of dry powder storage tank 9 is injected into flue 3 through conveying pipe 5 to carry out desulfurization, and the ration feeding of dry powder to dry powder storage tank 9 makes the long-term stable operation of injection device, and the injector and conveying pipe 5 are not easy to block, improve the dry powder delivery capacity, and further improve the deacidification efficiency of dry powder in the system.

[0025] When ration cylinder 12 is located below slot 11, the top end of ration cylinder 12 communicates with slot 11, and the bottom surface of ration cylinder 12 is closed, and when ration cylinder 12 is located above dry powder storage tank 9, the bottom end of ration cylinder 12 communicates with dry powder storage tank 9, and the top end of ration cylinder 12 is closed.

[0026] The surface of any one ration cylinder 12 is fixedly installed with connecting plate 15, one end of connecting plate 15 penetrates dry powder ration feeder 10, and the end surface of connecting plate 15 is fixedly installed with fixed plate 16.

[0027] The surface of support column 1 is fixedly installed with electric telescopic rod 17, the output end of electric telescopic rod 17 is fixedly connected with the surface of fixed plate 16, and electric telescopic rod 17 is the electric control push rod of prior art.

[0028] ​A controller 18 is fixedly installed on the surface of the support column 1. The controller 18 is a conventional PLC program control device in the prior art. The controller 18 is electrically connected to the electric telescopic rod 17 through wires. The controller 18 is also electrically connected to the outlet pneumatic valve 7 and the inlet pneumatic valve 8 through wires.

[0029] The steps for using this utility model are as follows: Initially, the metering cylinder 12 is positioned below the slot 11 when using this emergency flue gas desulfurization injection device. At this time, the dry powder inside the dry powder storage tank 13 falls into the metering cylinder 12 through the discharge port 14 and the slot 11. When injecting dry powder into the flue duct 3 of the desulfurization tower 2, the operating controller 18 controls the electric telescopic rod 17 to extend, causing the metering cylinder 12 to move above the dry powder storage tank 9. At this time, the dry powder inside the metering cylinder 12 enters the dry powder storage tank 9. The electric telescopic rod 17 reciprocates, achieving quantitative feeding of dry powder into the dry powder storage tank 9. Simultaneously, the outlet pneumatic valve 7 and the inlet pneumatic valve 8 open, and the blower 6 operates, moving the dry powder storage tank... The dry powder inside the dry powder storage tank 9 is injected into the flue 3 through the conveying pipe 5 for desulfurization. This scheme extends through the electric telescopic rod 17, causing the metering cylinder 12 to move above the dry powder storage tank 9. At this time, the dry powder inside the metering cylinder 12 enters the dry powder storage tank 9, realizing the quantitative feeding of dry powder into the dry powder storage tank 9. At this time, the outlet pneumatic valve 7 and the inlet pneumatic valve 8 are opened, and the blower 6 works, injecting the dry powder inside the dry powder storage tank 9 into the flue 3 through the conveying pipe 5 for desulfurization. The quantitative feeding of dry powder storage tank 9 ensures the long-term stable operation of the injection device, and the injector and conveying pipe 5 are not easily blocked, improving the dry powder conveying capacity, thereby improving the desulfurization efficiency of dry powder in the system.

[0030] Example 2: Please refer to Figure 1 - Figure 6, the difference of which from the base of embodiment 1 is that the top end surface of the support column 1 is fixedly installed with a disc feeder distributor 19, the bottom surface of the disc feeder distributor 19 is fixedly installed with a starting motor, the output end of the starting motor is fixedly connected with a rotating device 22, the surface of the disc feeder distributor 19 is fixedly installed with a powder inlet pipe 20, the inner bottom surface of the disc feeder distributor 19 is rotatably connected with the rotating device 22, the bottom surface of the disc feeder distributor 19 is provided with a bottom groove 21, and the connecting shell 23 is fixedly installed between the dry powder storage box 13 and the disc feeder distributor 19, the dry powder in the lime bin is transported into the disc feeder distributor 19 through the powder inlet pipe 20 by the screw feeder, the dry powder is distributed and dropped through the plurality of bottom grooves 21 by the rotating of the rotating device 22, and then is dropped into the plurality of dry powder storage boxes 13 through the respective connecting shells 23 for storage, when the flue 3 of the desulfurizing tower 2 is sprayed with the dry powder, the dry powder storage box 13 quantitatively transports the dry powder to the dry powder storage tank 9 through the dry powder quantitative feeder 10, and then the dry powder is sprayed to the plurality of desulfurizing towers 2 for desulfurization through the fan 6, and the dry powder spraying system can independently work, thereby meeting the single furnace acid removal requirement.

[0031] The disc feeder distributor 19 is communicated with the dry powder storage box 13 through the bottom groove 21 and the connecting shell 23.

[0032] The use steps of the utility model are as follows: when the plurality of desulfurizing towers 2 need to be desulfurized, the dry powder spraying system cannot independently work, and the single furnace acid removal requirement cannot be met, when the flue 3 of the plurality of desulfurizing towers 2 is desulfurized, the dry powder in the lime bin is transported into the disc feeder distributor 19 through the powder inlet pipe 20 by the screw feeder, the dry powder is distributed and dropped through the plurality of bottom grooves 21 by the rotating of the rotating device 22, and then is dropped into the plurality of dry powder storage boxes 13 through the respective connecting shells 23 for storage, when the flue 3 of the desulfurizing tower 2 is sprayed with the dry powder, the dry powder storage box 13 quantitatively transports the dry powder to the dry powder storage tank 9 through the dry powder quantitative feeder 10, and then the dry powder is sprayed to the plurality of desulfurizing towers 2 for desulfurization through the fan 6, and the dry powder spraying system can independently work, thereby meeting the single furnace acid removal requirement.

[0033] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An emergency flue gas desulfurization injection device, comprising a support column (1) and a desulfurization tower (2) arranged in a circumferential array around it, characterized in that: The surface of the desulfurization tower (2) is fixedly equipped with a flue (3) connected to it. A support (4) is fixedly installed on one side of the desulfurization tower (2). A conveying pipe (5) connected to the flue (3) is fixedly installed on the surface of the support (4). A fan (6) is fixedly installed in the middle of the conveying pipe (5). An outlet pneumatic valve (7) and an inlet pneumatic valve (8) are fixedly installed on the surfaces of the two ends of the conveying pipe (5), respectively. The outlet pneumatic valve (7) and the inlet pneumatic valve (8) are located on both sides of the fan (6). One end of the dry powder storage tank (9) is fixedly installed and connected to it. A dry powder metering feeder (10) is fixedly installed on the surface of the dry powder storage tank (9). A dry powder storage box (13) is fixedly installed on the end surface of the dry powder metering feeder (10). A slot (11) is opened on the surface of the dry powder metering feeder (10). A discharge port (14) communicating with the slot (11) is opened on the bottom surface of the dry powder storage box (13). A metering cylinder (12) that matches it is slidably connected inside the dry powder metering feeder (10).

2. The injection device for emergency flue gas deacidification according to claim 1, characterized in that: When the metering cylinder (12) is located below the slot (11), the top of the metering cylinder (12) is connected to the slot (11), and the bottom of the metering cylinder (12) is closed. When the metering cylinder (12) is located above the dry powder storage tank (9), the bottom of the metering cylinder (12) is connected to the dry powder storage tank (9), and the top of the metering cylinder (12) is closed.

3. The injection device for emergency flue gas deacidification according to claim 1, characterized in that: A connecting plate (15) is fixedly installed on the surface of any of the metering cylinders (12). One end of the connecting plate (15) passes through the dry powder metering feeder (10), and a fixing plate (16) is fixedly installed on the end surface of the connecting plate (15).

4. The injection device for emergency flue gas deacidification according to claim 3, characterized in that: An electric telescopic rod (17) is fixedly installed on the surface of the support column (1), and the output end of the electric telescopic rod (17) is fixedly connected to the surface of the fixing plate (16).

5. The injection device for emergency flue gas deacidification according to claim 3, characterized in that: A controller (18) is fixedly installed on the surface of the support column (1). The controller (18) is electrically connected to the electric telescopic rod (17) through wires. The controller (18) is also electrically connected to the outlet pneumatic valve (7) and the inlet pneumatic valve (8) through wires.

6. The injection device for emergency flue gas deacidification according to claim 1, characterized in that: A disc feeder (19) is fixedly installed on the top surface of the support column (1). A powder inlet pipe (20) is fixedly installed on the surface of the disc feeder (19). A rotating device (22) is rotatably connected to the bottom surface of the disc feeder (19). A bottom groove (21) is opened on the bottom surface of the disc feeder (19). A connecting shell (23) is fixedly installed between the dry powder storage box (13) and the disc feeder (19).

7. The injection device for emergency flue gas deacidification according to claim 6, characterized in that: The disc feeder (19) is connected to the dry powder storage box (13) through the bottom groove (21) and the connecting shell (23).

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