Slaked lime spraying device for flue gas deacidification process

Abstract

The utility model discloses a slaked lime spraying device for flue gas deacidification process, which belongs to the technical field of flue gas deacidification and comprises a deacidification box and a support table, an inner cavity of the deacidification box is rotatably connected with a material spraying barrel, a plurality of material spraying ports are arranged on the side portion of the material spraying barrel, and the support table is connected with the material spraying barrel. One end of the spraying barrel extends to the outside of the deacidification tank and is fixedly sleeved with a second synchronous wheel, and a servo motor is fixedly mounted on the top surface of the deacidification tank. According to the slaked lime spraying device, slaked lime in the spraying pipeline is blown to the inner cavity of the spraying barrel from the material guide pipe and the rotary joint through the blower, and the spraying barrel is driven to rotate through the cooperation of the servo motor, the first synchronous wheel, the second synchronous wheel and the synchronous belt; the slaked lime in the spraying barrel is uniformly sprayed to the inner cavity of the deacidification box from the plurality of spraying openings by utilizing the rotation of the spraying barrel, so that the slaked lime is ensured to be in uniform contact with the flue gas, and the deacidification effect on the flue gas is ensured.

Description

TECHNICAL FIELD

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

[0002] Lime injection in deacidification tower is an effective air pollution control method, which is mainly used for treating acidic gases in waste gas, such as sulfur dioxide, nitrogen oxides, etc. Lime powder is sprayed into the deacidification tower, and reacts with the acidic gases in the waste gas to form hydroxide, thereby reducing the emission of harmful substances in the waste gas and achieving the purpose of reducing air pollution.

[0003] After searching, the utility model patent with publication number CN214635391U discloses a dry powder emergency injection device in a garbage incineration flue gas purification deacidification system, which comprises 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 first motor is arranged on one side of the stirring device, a support table is arranged at the lower end of the stirring device, the rapping device can effectively prevent the powder from absorbing water and deliquescing, causing blockage, and can effectively slow down the hardening phenomenon, the stirring device can stir the material more uniformly, and the material will not adhere to the hopper wall, the lime can be evenly filled into the screw, the metering device can accurately measure the sodium bicarbonate with small fluctuation, and the required practical function is realized, which is convenient and safe to use. But the above-mentioned patent still has the following shortcomings: although lime can enter the injection pipeline, it is not convenient to ensure that lime can be uniformly sprayed into the denitration tower, and part of the lime will adhere to the tower wall, which is not convenient to clean. Therefore, we propose a lime injection device for flue gas deacidification process. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model aims to provide a lime injection device for flue gas deacidification process.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a lime injection device for flue gas deacidification process, including deacidification box and support platform, the inner chamber of deacidification box is rotatably connected with the injection barrel, the side of injection barrel is provided with a plurality of injection ports, one end of injection barrel extends to the outside of deacidification box and is fixedly sleeved with second synchronous wheel, the top surface of deacidification box is fixedly installed with servo motor, the output shaft of servo motor is fixedly sleeved with first synchronous wheel, the transmission of first synchronous wheel and second synchronous wheel is connected with synchronous belt, the other end of injection barrel extends to the outside of deacidification box and is fixedly sleeved with rotary joint, the end of rotary joint is fixedly sleeved with guide pipe, be provided with powder processing equipment on the support platform, the bottom of powder processing equipment is provided with injection pipeline, one end of injection pipeline is fixedly installed with air blower, the other end of injection pipeline and the end of guide pipe are connected, the top of deacidification box is provided with two scraping mechanisms.

[0007] As a preferred scheme of the utility model, the scraping mechanism includes a multi-stage electric push rod fixedly installed on the top surface of the deacidification tank, the output end of the multi-stage electric push rod extends into the inner chamber of the deacidification tank and is fixedly connected with a U-shaped scraper, and the outer side surface of the U-shaped scraper is in abutment with the inner wall of the deacidification tank.

[0008] As a preferred scheme of the utility model, the outer side of the bottom end of the deacidification tank is provided with a pull-out opening, a receiving hopper is placed at the bottom of the inner chamber of the deacidification tank, the end of the receiving hopper extends to the outside of the deacidification tank through the pull-out opening and is fixedly installed with a handle, and the side surface of the receiving hopper is in abutment with the inner wall of the deacidification tank.

[0009] As a preferred scheme of the utility model, the control panel is fixedly installed on the outer side of the deacidification tank.

[0010] As a preferred scheme of the utility model, the air inlet pipeline is arranged on the side of the deacidification tank, and the exhaust pipeline is fixedly sleeved on the top of the deacidification tank.

[0011] As a preferred scheme of the utility model, the guide slope is arranged on the top of the receiving hopper.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) In the utility model, the lime in the injection pipeline is blown from the guide pipe and the rotary joint to the inner chamber of the injection barrel by the air blower, the injection barrel is driven to rotate by the cooperation of the servo motor, the first synchronous wheel, the second synchronous wheel and the synchronous belt, the lime in the injection barrel is uniformly sprayed into the inner chamber of the deacidification tank from the plurality of injection ports by the rotation of the injection barrel, the uniform contact between the lime and the flue gas is ensured, and the deacidification effect on the flue gas is ensured.

[0014] (2) The utility model discloses a multistage electric push rod and U -shaped scraper's cooperation is used, and the U -shaped scraper is reciprocatingly moved up and down through multistage electric push rod drive at regular time, and the U -shaped scraper is used to scrape down the slaked lime attached to the inner wall of the deacidification tank, realizes the function of cleaning the slaked lime attached to the inner wall of the deacidification tank, and the practicability is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure explosion drawing of deacidification tank and material receiving hopper of the utility model;

[0017] Figure 3 It is the sectional view schematic diagram of deacidification tank of the utility model;

[0018] Figure 4 It is the structure schematic diagram of U -shaped scraper of the utility model.

[0019] Mark number explanation: 1, deacidification tank;2, support table;3, powder processing equipment;4, injection pipeline;5, blower;6, injection cylinder;7, injection port;8, rotary joint;9, material guide pipe;10, servo motor;11, first synchronous wheel;12, second synchronous wheel;13, synchronous belt;14, material scraping mechanism;15, multistage electric push rod;16, U -shaped scraper;17, air inlet pipeline;18, exhaust pipeline;19, pull -out mouth;20, material receiving hopper;21, handle;22, control panel;23, material guide bevel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is necessary to explain, unless there is definite stipulation and limitation, the term "installation", "set with", "sleeve set / interface", "connection" and the like should be understood broadly, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0023] Embodiment:

[0024] Please refer to Figures 1-4 A lime injection device for flue gas deacidification process, including deacidification tank 1 and support platform 2, the inner cavity of deacidification tank 1 is rotatably connected with injection cylinder 6, a plurality of injection ports 7 are arranged on the side of injection cylinder 6, one end of injection cylinder 6 extends to the outside of deacidification tank 1 and is fixedly sleeved with second synchronous wheel 12, servo motor 10 is fixedly installed on the top surface of deacidification tank 1, the output shaft of servo motor 10 is fixedly sleeved with first synchronous wheel 11, synchronous belt 13 is transmissionally connected between first synchronous wheel 11 and second synchronous wheel 12, the other end of injection cylinder 6 extends to the outside of deacidification tank 1 and is fixedly sleeved with rotary joint 8, rotary joint 8 is fixedly sleeved with material guide pipe 9 on the end, powder processing equipment 3 is arranged on support platform 2, spray pipeline 4 is arranged at the bottom of powder processing equipment 3, air blower 5 is fixedly installed at one end of spray pipeline 4, the other end of spray pipeline 4 is connected with the end of material guide pipe 9, two material scraping mechanisms 14 are arranged on the top of deacidification tank 1.

[0025] In the embodiment, powder processing equipment 3 is prior art, which is used for treating lime raw materials.

[0026] Specifically, please refer to Figures 1 to 4 Material scraping mechanism 14 includes multistage electric push rod 15 fixedly installed on the top surface of deacidification tank 1, the output end of multistage electric push rod 15 extends to the inner cavity of deacidification tank 1 and is fixedly connected with U-shaped scraper 16, the outer side surface of U-shaped scraper 16 is attached to the inner wall of deacidification tank 1.

[0027] In the embodiment, multistage electric push rod 15 drives U-shaped scraper 16 to move up and down, so that U-shaped scraper 16 scrapes the inner wall of deacidification tank 1, thereby cleaning the lime attached to the inner wall of deacidification tank 1.

[0028] Specifically, please refer to Figure 1 And Figure 2The outer side of the bottom end of the deacidification box 1 is provided with a pull-out opening 19, and a receiving hopper 20 is placed at the bottom of the inner cavity of the deacidification box 1. The end of the receiving hopper 20 extends to the outside of the deacidification box 1 through the pull-out opening 19 and is fixedly installed with a handle 21. The side surface of the receiving hopper 20 is attached to the inner wall of the deacidification box 1.

[0029] In this embodiment, the inner wall of the deacidification box 1 is used to limit the receiving hopper 20, thereby ensuring the stability of the receiving hopper 20 at the bottom of the inner cavity of the deacidification box 1.

[0030] Specifically, please refer to Figure 1 The outer side of the deacidification box 1 is fixedly installed with a control panel 22.

[0031] In this embodiment, the control panel 22 is used to control the device.

[0032] Specifically, please refer to Figure 1 and Figure 2 The side of the deacidification box 1 is provided with an air inlet pipeline 17, and the top of the deacidification box 1 is fixedly sleeved with an air outlet pipeline 18.

[0033] In this embodiment, the flue gas to be deacidified is introduced into the inner cavity of the deacidification box 1 through the air inlet pipeline 17, and the deacidified flue gas is discharged through the air outlet pipeline 18.

[0034] Specifically, please refer to Figure 2 The top of the receiving hopper 20 is provided with a material guiding bevel 23.

[0035] In this embodiment, it is ensured that the salt and water generated by deacidification can fall smoothly into the receiving hopper 20.

[0036] Working principle: in use, first, the flue gas is introduced into the inner cavity of the deacidification box 1 from the air inlet pipeline 17, and at the same time, the flue gas moves upward. In addition, the lime is treated by the powder processing equipment 3, and the treated lime falls into the injection pipeline 4. In addition, the lime powder in the injection pipeline 4 is blown from the material guiding pipe 9 and the rotary joint 8 to the inner cavity of the material spraying cylinder 6 by the air blower 5, and the lime powder in the material spraying cylinder 6 is sprayed from the material spraying port 7 to the inner cavity of the deacidification box 1. Then, the servo motor 10 is started to drive the first synchronous wheel 11 to rotate, and the transmission between the first synchronous wheel 11, the second synchronous wheel 12 and the synchronous belt 13 drives the material spraying cylinder 6 and the material spraying port 7 to rotate, so that the lime powder in the material spraying cylinder 6 is sprayed from the plurality of material spraying ports 7 to the inner cavity of the deacidification box 1, so that the lime powder and the flue gas in the inner cavity of the deacidification box 1 are in sufficient contact, thereby deacidifying the flue gas. Then, the salt, water and other substances generated by deacidification fall into the receiving hopper 20. Finally, the multi-stage electric push rod 15 is started at a fixed time to drive the U-shaped scraper 16 to move up and down reciprocally, and the U-shaped scraper 16 scrapes the lime attached to the inner wall of the deacidification box 1, thereby cleaning the lime attached to the inner wall of the deacidification box 1.

[0037] 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 improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A slaked lime injection device for flue gas deacidification process, comprising a deacidification tank (1) and a supporting table (2), characterized in that: The inner cavity of the deacidification tank (1) is rotationally connected with a material spraying cylinder (6), the side of the material spraying cylinder (6) is provided with a plurality of material spraying openings (7), one end of the material spraying cylinder (6) extends to the outside of the deacidification tank (1) and is fixedly sleeved with a second synchronous wheel (12), the top surface of the deacidification tank (1) is fixedly installed with a servo motor (10), the output shaft of the servo motor (10) is fixedly sleeved with a first synchronous wheel (11), the first synchronous wheel (11) and the second synchronous wheel (12) are transmissionally connected with a synchronous belt (13), the other end of the material spraying cylinder (6) extends to the outside of the deacidification tank (1) and is fixedly sleeved with a rotary joint (8), the end of the rotary joint (8) is fixedly sleeved with a material guide pipe (9), the support table (2) is provided with a powder processing equipment (3), the bottom end of the powder processing equipment (3) is provided with a spraying pipeline (4), one end of the spraying pipeline (4) is fixedly installed with a blower (5), the other end of the spraying pipeline (4) is connected with the end of the material guide pipe (9), and the top of the deacidification tank (1) is provided with two material scraping mechanisms (14).

2. A slaked lime injection device for a flue gas deacidification process according to claim 1, characterized in that: The material scraping mechanism (14) comprises a multi-stage electric push rod (15) fixedly installed on the top surface of the deacidification tank (1), the output end of the multi-stage electric push rod (15) extends to the inner cavity of the deacidification tank (1) and is fixedly connected with a U-shaped scraper (16), and the outer side surface of the U-shaped scraper (16) is in abutment with the inner wall of the deacidification tank (1).

3. A slaked lime injection device for flue gas deacidification process according to claim 1, characterized in that: The outer side of the bottom end of the deacidification tank (1) is provided with a pull-out opening (19), the bottom of the inner cavity of the deacidification tank (1) is placed with a material receiving hopper (20), the end of the material receiving hopper (20) extends to the outside of the deacidification tank (1) through the pull-out opening (19) and is fixedly installed with a handle (21), and the side surface of the material receiving hopper (20) is in abutment with the inner wall of the deacidification tank (1).

4. A slaked lime injection device for flue gas deacidification process according to claim 1, characterized in that: The outer side of the deacidification tank (1) is fixedly installed with a control panel (22).

5. A slaked lime injection device for flue gas deacidification process according to claim 1, characterized in that: The side of the deacidification tank (1) is provided with an air inlet pipeline (17), and the top of the deacidification tank (1) is fixedly sleeved with an air outlet pipeline (18).

6. A slaked lime injection device for flue gas deacidification process according to claim 3, characterized in that: The top of the material receiving hopper (20) is provided with a material guide bevel (23).

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