Modularly-designed SCR (Selective Catalytic Reduction) denitration device

Abstract

The utility model relates to the technical field of SCR (Selective Catalytic Reduction) denitration devices, and discloses a modularized SCR denitration device which comprises a cylinder body and a cylinder cover, the cylinder body comprises a waste material pipe and a connecting pipe, the waste material pipe is arranged at the bottom of the cylinder body, the connecting pipe is arranged on the outer side of the waste material pipe, and the cylinder cover is arranged on the cylinder body. The cylinder cover comprises two groups of mounting grooves, a filter cylinder, a servo motor, a rotating rod, a rotating disc and a spiral scraping arm, the two groups of mounting grooves are respectively formed in the bottom ends of the inner parts of the cylinder body and the cylinder cover, and the filter cylinder is arranged in the cylinder body. The bottom ends and the top ends of the filter cylinder and the catalytic cylinder can be respectively mounted with the cylinder body and the cylinder cover through the mounting grooves, the cylinder cover and the cylinder body can be mounted through the connecting ring, and the servo motor and the rotating rod can drive the rotating disc and the spiral scraping arm to rotate, so that attachments on the inner wall of the filter cylinder can be cleaned; and the impurities in the denitration device can be automatically treated, so that the denitration device is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to SCR denitration device technical field, concretely is a kind of modular design's SCR denitration device. BACKGROUND

[0002] SCR denitration is a kind of furnace post-denitrification method, is using reducing agent (NH3, urea) under the action of metal catalyst, selectively with NOx Reaction generates N2 And H2O, rather than being oxidized by O2, the law denitration efficiency is high, relatively low price, widely used in domestic and foreign engineering, become the mainstream technology of power plant flue gas denitration.

[0003] The application number CN202420011499.5 discloses a kind of SCR denitration device.The technical scheme includes SCR denitration tower, bearing plate, catalyst, rear fixed plate, front fixed plate and ammonia pipe, the front surface of the SCR denitration tower is provided with through hole......The rear fixed plate and the bearing plate are symmetrically provided with jack on the front surface both sides position department, the utility model discloses convenient replacement installation of catalyst in the SCR denitration tower, improve work efficiency, also greatly reduce the SCR denitration tower downtime;This kind of SCR denitration device needs to be disassembled to clean inside after using for a period of time, cleaning step is complicated, efficiency is relatively low, affect the use of SCR denitration device, and it is inconvenient to disassemble and assemble SCR denitration device, affect the modular use of SCR denitration device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of modular design's SCR denitration device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of modular design's SCR denitration device, including cylinder and cylinder cover, the cylinder includes waste pipe and connecting pipe, the waste pipe is located at the bottom of cylinder, the connecting pipe is located at the outside of waste pipe, the cylinder cover includes installation slot, filter cartridge, servo motor, rotating rod, rotating disc and spiral scraper arm, two groups of installation slot are respectively located at the bottom end inside cylinder and cylinder cover, the filter cartridge is located inside cylinder, the servo motor is located at the middle position of the top of cylinder cover, the rotating rod is located at the output end of servo motor, the rotating disc is located at the bottom end of rotating rod, the spiral scraper arm is located at the bottom of rotating disc.

[0006] Preferably, the bottom end inside the waste pipe is provided with a control valve, the outside of the filter cartridge is provided with a catalyst cartridge, the top of the cylinder cover is symmetrically provided with two groups of gas outlet pipes, and the top end of the cylinder body is provided with a connecting ring.

[0007] Preferably, the bottom end of the barrel outside is provided with a pretreatment box, the top end of the pretreatment box is provided with a sealing cover, and the middle position of the top of the sealing cover is provided with an air inlet pipe.

[0008] Preferably, a plurality of groups of grid plates are uniformly arranged on one end of the connecting pipe close to the waste pipe, and a plurality of groups of filter holes are uniformly formed in the outer wall of the filter cartridge.

[0009] Preferably, the bottom end of the filter cartridge is detachably connected with the barrel through a group of mounting grooves, and the top end of the filter cartridge is detachably connected with the barrel cover through another group of mounting grooves.

[0010] Preferably, the servo motor is detachably connected with the barrel cover through a fixing bolt, the top of the rotating disc is provided with a connecting block, and the bottom end of the rotating rod is connected with the connecting block.

[0011] Preferably, the rotating disc is drivingly connected with the servo motor through the rotating rod, and the spiral scraping arm is weldedly connected with the bottom of the rotating disc.

[0012] Preferably, the inside of the connecting ring is provided with a sealing ring, the inside of the catalytic cartridge is provided with a mounting hole, and the catalytic cartridge is detachably connected with the filter cartridge through the mounting hole.

[0013] Preferably, the outside of the barrel cover is provided with an external thread, the inside of the connecting ring is provided with an internal thread matched with the barrel cover, and the barrel cover is detachably connected with the connecting ring through the internal thread and the external thread.

[0014] Preferably, the top end of the connecting pipe is weldedly connected with the bottom end of the pretreatment box, and the sealing cover is detachably connected with the pretreatment box through a fixing bolt.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The bottom end and the top end of the filter cartridge and the catalytic cartridge can be respectively installed between the barrel and the barrel cover through the mounting grooves, the barrel cover and the barrel can be installed through the connecting ring, the rotating disc and the spiral scraping arm can be driven to rotate through the servo motor and the rotating rod, the attachments on the inner wall of the filter cartridge can be cleaned and fall into the waste pipe for discharge, and the debris inside the denitration device can be automatically treated, so that the use of the denitration device is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0018] Figure 1 It is a structural schematic view of the present application.

[0019] Figure 2 It is a partial structural schematic view of the present application.

[0020] Figure 3 It is a sectional view of the present application.

[0021] In the drawing: 1, cylinder; 101, waste pipe; 102, control valve; 103, connecting pipe; 2, cylinder cover; 201, mounting groove; 202, filter cartridge; 203, catalytic cartridge; 204, servo motor; 205, rotating rod; 206, rotating disc; 207, spiral scraping arm; 208, air outlet pipe; 209, connecting ring; 3, pretreatment box; 301, sealing cover; 302, air inlet pipe. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described in combination with specific embodiments.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "setting", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-3 The utility model provides a kind of modular design's SCR denitration device embodiment: a kind of modular design's SCR denitration device, including cylinder 1 and cylinder cover 2, cylinder 1 includes waste pipe 101 and connecting pipe 103, waste pipe 101 is located at the bottom of cylinder 1, it is convenient to discharge the sundries filtered out, connecting pipe 103 is located at the outside of waste pipe 101, waste gas can be transported to the inside of cylinder 1 by waste pipe 101, cylinder cover 2 includes installation groove 201, filter cartridge 202, servo motor 204, rotating rod 205, rotating disc 206 and spiral scraper arm 207, two groups of installation groove 201 are respectively located at the bottom end inside cylinder 1 and cylinder cover 2, filter cartridge 202 is located at the inside of cylinder 1, filter cartridge 202 can be installed by installation groove 201, servo motor 204 is located at the middle position at the top of cylinder cover 2, rotating rod 205 is located at the output end of servo motor 204, rotating disc 206 is located at the bottom end of rotating rod 205, spiral scraper arm 207 is located at the bottom of rotating disc 206, rotating disc 206 and spiral scraper arm 207 can be driven to rotate by servo motor 204 and rotating rod 205, the adherend of the inner wall of filter cartridge 202 can be scraped and cleaned, the bottom end in waste pipe 101 is equipped with control valve 102, the on-off of waste pipe 101 can be controlled, the outside of filter cartridge 202 is equipped with catalytic cartridge 203, it is convenient to carry out denitration treatment to waste gas, the top of cylinder cover 2 is symmetrically equipped with two groups of gas outlet pipe 208, the top end of cylinder 1 is equipped with connecting ring 209, cylinder cover 2 and cylinder 1 can be installed between by connecting ring 209, the modular design of denitration device is realized, it is convenient to overhaul and replace denitration device.

[0027] Please refer to Figure 1 And Figure 3The bottom end of the outer side of the barrel body 1 is provided with a pretreatment box 3, which can pretreat the exhaust gas. The top end of the pretreatment box 3 is provided with a sealing cover 301, which can seal the top of the pretreatment box 3. The middle position of the top of the sealing cover 301 is provided with an air inlet pipe 302, which can deliver the exhaust gas to the inside of the pretreatment box 3.

[0028] Please refer to Figure 2 and Figure 3 The end of the connecting pipe 103 close to the waste pipe 101 is uniformly arranged with multiple groups of grid plates, which can prevent sundries from entering the inside of the connecting pipe 103. The outer wall of the filter cylinder 202 is uniformly provided with multiple groups of filter holes, which can filter the sundries in the exhaust gas. The bottom end of the filter cylinder 202 is detachably connected with the barrel body 1 through a group of mounting grooves 201. The top end of the filter cylinder 202 is detachably connected with the barrel cover 2 through another group of mounting grooves 201. The mounting grooves 201 are used to clampingly install the top end and the bottom end of the filter cylinder 202. The servo motor 204 is detachably connected with the barrel cover 2 through fixing bolts, so as to install the servo motor 204 on the top of the barrel cover 2. The top of the rotating disc 206 is provided with a connecting block, and the bottom end of the rotating rod 205 is connected with the connecting block, so as to connect the rotating disc 206 with the bottom end of the rotating rod 205. The rotating disc 206 is drivingly connected with the servo motor 204 through the rotating rod 205, so as to provide power for the rotation of the rotating disc 206 and the spiral scraping arm 207. The spiral scraping arm 207 is weldedly connected with the bottom of the rotating disc 206. The inside of the connecting ring 209 is provided with a sealing ring, which can seal the connection between the barrel cover 2 and the barrel body 1. The inside of the catalytic cylinder 203 is provided with a mounting hole, and the catalytic cylinder 203 is detachably connected with the filter cylinder 202 through the mounting hole, so as to install the catalytic cylinder 203 and the filter cylinder 202.

[0029] Please refer to Figure 1 and Figure 3 The outer side of the barrel cover 2 is provided with external threads, and the inner side of the connecting ring 209 is provided with internal threads matched with the barrel cover 2. The barrel cover 2 is detachably connected with the connecting ring 209 through the internal threads and the external threads. The connecting ring 209 connects and installs the barrel cover 2 and the barrel body 1, which facilitates the disassembly and assembly of the denitration device and the replacement of the components of the denitration device. The top end of the connecting pipe 103 is weldedly connected with the bottom end of the pretreatment box 3, and the sealing cover 301 is detachably connected with the pretreatment box 3 through fixing bolts, so as to disassemble and assemble the sealing cover 301 and the pretreatment box 3.

[0030] Working principle: the utility model discloses when using, install catalytic cylinder 203 to the outside of filter cartridge 202, install the bottom end of filter cartridge 202 and catalytic cylinder 203 in the inside of cylinder body 1 through a group of installation groove 201, install the top end of filter cartridge 202 and catalytic cylinder 203 in the inside of cylinder cover 2 through another group of installation groove 201, can install between cylinder cover 2 and connecting ring 209 through outer thread and internal thread, realize the assembly to the falling device, put the treatment filter core into the inside of pretreatment box 3, and cylinder cover fixing bolt installs sealing cover 301 at the top of pretreatment box 3, connect power supply, connect exhaust pipe with inlet pipe 302, can deliver waste gas to the inside of pretreatment box 3, after pretreatment, deliver to the inside of waste pipe 102 through connecting pipe 103, and enter the inside of cylinder body 1, can carry out denitration purification treatment to waste gas through filter cartridge 202 and catalytic cylinder 203, finally, the gas after purification is discharged through gas outlet pipe 208, through servo motor 204 and rotating rod 205, rotating disc 206 and spiral scraper arm 207 can be driven to rotate, through spiral scraper arm 207, the adherend on the inner wall of filter cartridge 202 can be cleaned, and fall to the inside of waste pipe 101, open control valve 102, and the sundries can be discharged automatically, it is convenient to clean the inside of denitration device, make the use of denitration device more convenient.

[0031] The above-mentioned is only the embodiment of the utility model, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much. For those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiment should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A modularly designed SCR denitrification device, characterized in that: include The cylinder (1) includes a waste pipe (101) and a connecting pipe (103). The waste pipe (101) is located at the bottom of the cylinder (1), and the connecting pipe (103) is located on the outside of the waste pipe (101). The cylinder cover (2) includes a mounting groove (201), a filter cartridge (202), a servo motor (204), a rotating rod (205), a rotating disk (206), and a spiral scraper arm (207). The two sets of mounting grooves (201) are respectively located at the bottom of the cylinder body (1) and the cylinder cover (2). The filter cartridge (202) is located inside the cylinder body (1). The servo motor (204) is located at the middle position of the top of the cylinder cover (2). The rotating rod (205) is located at the output end of the servo motor (204). The rotating disk (206) is located at the bottom end of the rotating rod (205). The spiral scraper arm (207) is located at the bottom of the rotating disk (206).

2. The modularly designed SCR denitrification device according to claim 1, characterized in that: The bottom of the waste pipe (101) is provided with a control valve (102), the outside of the filter cartridge (202) is provided with a catalyst cartridge (203), the top of the cover (2) is symmetrically provided with two sets of gas outlet pipes (208), and the top of the cylinder body (1) is provided with a connecting ring (209).

3. The modularly designed SCR denitrification device according to claim 1, characterized in that: The bottom of the outer side of the cylinder (1) is provided with a pretreatment box (3), the top of the pretreatment box (3) is provided with a sealing cover (301), and an air inlet pipe (302) is provided at the middle position of the top of the sealing cover (301).

4. The modularly designed SCR denitrification device according to claim 1, characterized in that: The connecting pipe (103) is provided with multiple sets of grid plates evenly arranged at one end near the waste pipe (101), and the filter cylinder (202) has multiple sets of filter holes evenly opened on its outer wall.

5. The modularly designed SCR denitrification device according to claim 1, characterized in that: The bottom end of the filter cartridge (202) is detachably connected to the cylinder body (1) through a set of mounting grooves (201), and the top end of the filter cartridge (202) is detachably connected to the cylinder cover (2) through another set of mounting grooves (201).

6. The modularly designed SCR denitrification device according to claim 1, characterized in that: The servo motor (204) is detachably connected to the cylinder cover (2) by fixing bolts. The top of the rotating disk (206) is provided with a connecting block, and the bottom end of the rotating rod (205) is connected to the connecting block.

7. The modularly designed SCR denitrification device according to claim 1, characterized in that: The rotating disk (206) is connected to the servo motor (204) via a rotating rod (205), and the spiral scraper arm (207) is welded to the bottom of the rotating disk (206).

8. The modularly designed SCR denitrification device according to claim 2, characterized in that: The connecting ring (209) is provided with a sealing ring inside, and the catalyst cartridge (203) is provided with an installation hole inside. The catalyst cartridge (203) is detachably connected to the filter cartridge (202) through the installation hole.

9. The modularly designed SCR denitrification device according to claim 2, characterized in that: The outer side of the cylinder cover (2) is provided with an external thread, and the inner side of the connecting ring (209) is provided with an internal thread that matches the cylinder cover (2). The cylinder cover (2) is detachably connected to the connecting ring (209) through the internal thread and the external thread.

10. A modularly designed SCR denitrification device according to claim 3, characterized in that: The top end of the connecting pipe (103) is welded to the bottom end of the pretreatment box (3), and the sealing cover (301) is detachably connected to the pretreatment box (3) by fixing bolts.

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