Ammonia escape monitoring and protecting device

Abstract

The utility model discloses an ammonia escape monitoring and protecting device which comprises a monitoring pipeline and is characterized in that an opening and closing assembly is mounted outside the monitoring pipeline and comprises a mounting frame fixedly connected with the bottom of the circumferential outer wall of the monitoring pipeline, and two screw rods are rotationally connected with the inner walls of the top and the bottom of the mounting frame; the two lead screws are located on the two sides of the monitoring pipeline correspondingly and are in threaded connection with the same sealing cover, a through hole is formed in the top of the monitoring pipeline, the sealing cover can completely shield the through hole, a rotating disc is rotationally connected to one side of the outer wall of the top of the mounting frame, and the rotating disc and the top end of one lead screw are coaxially fixed. By arranging the opening and closing assembly, the opening and closing state of the monitoring pipeline can be changed at will according to needs, and therefore it is guaranteed that when the monitoring probe needs to be overhauled, the monitoring probe can be completely exposed in the external environment, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring devices, in particular to an ammonia escape monitoring and protection device. Background Art

[0002] Ammonia escape is a phenomenon in which ammonia that does not participate in the reaction exists in the flue gas at the outlet of the denitrification reaction tower. The purpose of online monitoring of ammonia escape is to prevent excessive injection of ammonia, which would cause economic waste to customers, and to prevent excessive emission of ammonia from causing secondary pollution.

[0003] After searching, a utility model with Chinese patent announcement number CN209416789U discloses an online monitoring device for ammonia escape, including a base, two support columns are fixedly provided on the top of the base, monitoring pipes are fixedly provided on the two support columns, a high-temperature sampling pump is fixedly installed on one side of the top of the base, one side of the high-temperature sampling pump is fixedly connected to one end of the monitoring pipe, and mounting covers are fixedly provided on the top and bottom of the monitoring pipe.

[0004] The monitoring pipeline in the above device can protect the monitoring probe from damage by external forces. As the use time increases, it is inevitable to inspect the position of the monitoring probe. However, the monitoring pipeline is a whole, which will make the inspection process inconvenient. Utility Model Content

[0005] The utility model aims to provide an ammonia escape monitoring and protection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ammonia escape monitoring and protection device, comprising a monitoring pipe, characterized in that: an opening and closing assembly is installed on the outside of the monitoring pipe, the opening and closing assembly includes a mounting frame fixedly connected to the bottom of the circumferential outer wall of the monitoring pipe, the top and the bottom inner wall of the mounting frame are rotatably connected to two screw rods, the two screw rods are respectively located on both sides of the monitoring pipe, the two screw rods are threadedly connected to the same sealing cover, a through hole is opened at the top of the monitoring pipe, the sealing cover can completely cover the through hole, and a turntable is rotatably connected to one side of the top outer wall of the mounting frame, and the turntable and the top of one of the screw rods are coaxially fixed.

[0007] As a further preferred embodiment of the present technical solution, both sides of the outer wall at the bottom of the mounting frame are rotatably connected to a sprocket, the two sprockets are coaxially fixed to one end of the bottom of the two screw rods respectively, and the two sprocket sleeves are provided with the same chain.

[0008] The opening and closing state of the monitoring pipeline can be changed at will according to needs, so as to ensure that when the monitoring probe needs to be repaired, it can be completely exposed to the external environment for easy operation. A screw rod is driven to rotate by a turntable, and the screw rod will drive a sprocket to rotate synchronously. The sprocket drives another sprocket to rotate synchronously through the chain, and then the other screw rod will also be driven to rotate by another sprocket. Under the mutual restriction and drive of the two screw rods, the sealing cover will move upward along the screw rod. At this time, the internal situation of the monitoring pipeline will also be exposed, which is more convenient for maintenance work.

[0009] As a further preferred embodiment of the present technical solution, a monitoring probe is fixedly installed at the bottom of the circumferential inner wall of the monitoring pipe, two mounting rings are arranged inside the monitoring pipe, and the same filter is slidably inserted between the two mounting rings, and the monitoring probe and the filter are both located at the bottom of the through hole.

[0010] As a further preferred embodiment of the present technical solution, a cleaning component is installed inside the monitoring pipe, and the filter is located between the cleaning component and the monitoring probe.

[0011] As a further preferred embodiment of the present technical solution, the cleaning component includes a support frame fixedly connected to the inside of the monitoring pipe, a brush is rotatably connected to the outer wall of one side of the support frame, the brush is consistent with the center line of the filter, a motor is fixedly installed on the top of the circumferential outer wall of the monitoring pipe, a transmission wheel is coaxially fixed to the motor shaft, a driven wheel meshing with the transmission wheel is rotatably connected to the inner wall of one side of the support frame, and the driven wheel and the brush are coaxially fixed.

[0012] As the usage time increases, the impurities intercepted on the filter surface gradually increase, and the gas circulation rate decreases accordingly. At this time, just start the motor, the motor shaft drives the transmission wheel to rotate synchronously, the transmission wheel drives the driven wheel to rotate through meshing, and the driven wheel drives the brush to rotate synchronously. The brush can clean the impurities on the filter surface, thereby ensuring that the filter can be used for a longer time.

[0013] As a further preferred embodiment of the present technical solution, the middle portion of the support frame is a closed square cover, and the driving wheel and the driven wheel are both located inside the square cover.

[0014] The utility model provides an ammonia escape monitoring and protection device, which has the following beneficial effects:

[0015] (1) The utility model can change the opening and closing state of the monitoring pipeline as needed by setting an opening and closing component, so as to ensure that the monitoring probe can be completely exposed to the external environment when it needs to be repaired, which is convenient for operation. A screw rod is driven to rotate by a turntable, and the screw rod will drive a sprocket to rotate synchronously. The sprocket drives another sprocket to rotate synchronously through the chain, and then the other screw rod will also be driven to rotate by the other sprocket. Under the mutual restriction and drive of the two screw rods, the sealing cover will move upward along the screw rod. At this time, the internal situation of the monitoring pipeline will also be exposed, which is more convenient for the maintenance work.

[0016] (2) The utility model provides a cleaning component. As the use time increases, the impurities intercepted on the filter surface gradually increase, and the gas flow rate decreases accordingly. At this time, as long as the motor is started, the motor shaft drives the transmission wheel to rotate synchronously, and the transmission wheel drives the driven wheel to rotate through meshing. The driven wheel drives the brush to rotate synchronously, and the brush can clean the impurities on the filter surface, thereby ensuring that the filter can be used for a longer time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the monitoring pipeline of the utility model;

[0019] Figure 3 It is an enlarged structural diagram of the cleaning component of the utility model;

[0020] Figure 4 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] In the figure: 1. monitoring pipeline; 2. monitoring probe; 3. mounting ring; 4. filter; 5. opening and closing assembly; 6. cleaning assembly; 501. mounting frame; 502. screw rod; 503. sealing cover; 504. sprocket; 505. chain; 506. turntable; 601. supporting frame; 602. brush; 603. motor; 604. transmission wheel; 605. driven wheel. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 1 and Figure 4As shown, in this embodiment, an ammonia escape monitoring and protection device includes a monitoring pipeline 1, which is characterized in that: an opening and closing component 5 is installed on the outside of the monitoring pipeline 1, and the opening and closing component 5 includes a mounting frame 501 fixedly connected to the bottom of the circumferential outer wall of the monitoring pipeline 1, and two screw rods 502 are rotatably connected to the top and bottom inner wall of the mounting frame 501, and the two screw rods 502 are respectively located on both sides of the monitoring pipeline 1. The two screw rods 502 are threadedly connected to the same sealing cover 503, and a through hole is opened at the top of the monitoring pipeline 1, and the sealing cover 503 can completely cover the through hole. A turntable 506 is rotatably connected to one side of the top outer wall of the mounting frame 501, and the turntable 506 and the top of one of the screw rods 502 are coaxially fixed.

[0024] A sprocket 504 is rotatably connected to both sides of the outer wall of the bottom of the mounting frame 501 . The two sprockets 504 are coaxially fixed to one end of the bottom of the two screw rods 502 , respectively. The two sprockets 504 are sleeved with the same chain 505 .

[0025] A screw rod 502 is driven to rotate by the turntable 506, and the screw rod 502 will drive a sprocket 504 to rotate synchronously. The sprocket 504 drives another sprocket 504 to rotate synchronously through the chain 505, and then the other screw rod 502 will also be driven to rotate by the other sprocket 504. Under the mutual restriction and drive of the two screw rods 502, the sealing cover 503 will move upward along the screw rod 502. At this time, the internal situation of the monitoring pipeline 1 will also be exposed, which is more convenient for maintenance work.

[0026] like Figure 2 As shown, a monitoring probe 2 is fixedly installed at the bottom of the inner wall of the monitoring pipe 1, two mounting rings 3 are arranged inside the monitoring pipe 1, and a filter screen 4 is slidably inserted between the two mounting rings 3. The monitoring probe 2 and the filter screen 4 are both at the bottom of the through hole.

[0027] A cleaning component 6 is installed inside the monitoring pipeline 1 , and the filter screen 4 is located between the cleaning component 6 and the monitoring probe 2 .

[0028] The monitoring pipe 1 can protect the monitoring probe 2 therein from being damaged by external forces, while the filter 4 can protect the monitoring probe 2 from being affected by impurities in the smoke.

[0029] like Figure 3 As shown, the cleaning component 6 includes a support frame 601 fixedly connected to the inside of the monitoring pipe 1, a brush 602 is rotatably connected to the outer wall of one side of the support frame 601, the brush 602 is consistent with the center line of the filter 4, a motor 603 is fixedly installed on the top of the circumferential outer wall of the monitoring pipe 1, a transmission wheel 604 is coaxially fixed to the rotating shaft of the motor 603, and a driven wheel 605 meshing with the transmission wheel 604 is rotatably connected to the inner wall of one side of the support frame 601, and the driven wheel 605 and the brush 602 are coaxially fixed.

[0030] As the use time increases, the impurities intercepted on the surface of the filter 4 gradually increase, and the gas circulation rate also decreases. At this time, just start the motor 603, the motor 603 shaft drives the transmission wheel 604 to rotate synchronously, the transmission wheel 604 drives the driven wheel 605 to rotate through engagement, and the driven wheel 605 drives the brush 602 to rotate synchronously. The brush 602 can clean the impurities on the surface of the filter 4, thereby ensuring that the filter 4 can be used for a longer time.

[0031] like Figure 2 and Figure 3 As shown, the middle part of the support frame 601 is a closed square cover, and the driving wheel 604 and the driven wheel 605 are both inside the square cover. The square cover can protect the driving wheel 604 and the driven wheel 605 to prevent smoke from affecting the transmission of the two.

[0032] The utility model provides an ammonia escape monitoring and protection device, and the specific working principle is as follows:

[0033] When the device is working, the monitoring pipe 1 can protect the monitoring probe 2 therein from being damaged by external forces, and the filter screen 4 can protect the monitoring probe 2 from being affected by impurities in the smoke. If the monitoring probe 2 needs to be repaired, a screw rod 502 is driven to rotate by the turntable 506, and the screw rod 502 will drive a sprocket 504 to rotate synchronously. The sprocket 504 drives another sprocket 504 to rotate synchronously through the chain 505, and then the other screw rod 502 will also be driven to rotate by the other sprocket 504, and the sealing cover 503 is mutually restricted by the two screw rods 502. and driven, it will move upward along the screw rod 502. At this time, the internal situation of the monitoring pipeline 1 will also be exposed, which is more convenient for maintenance work. With the increase of use time, the impurities intercepted on the surface of the filter 4 gradually increase, and the gas flow rate also decreases accordingly. At this time, just start the motor 603, the motor 603 shaft drives the transmission wheel 604 to rotate synchronously, the transmission wheel 604 drives the driven wheel 605 to rotate through engagement, and the driven wheel 605 drives the brush 602 to rotate synchronously. The brush 602 can clean the impurities on the surface of the filter 4, thereby ensuring that the filter 4 can be used for a longer time.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ammonia escape monitoring and protection device, comprising a monitoring pipeline (1), characterized in that: An opening and closing assembly (5) is installed on the outside of the monitoring pipe (1), and the opening and closing assembly (5) comprises a mounting frame (501) fixedly connected to the bottom of the circumferential outer wall of the monitoring pipe (1); two screw rods (502) are rotatably connected to the top and bottom inner wall of the mounting frame (501); the two screw rods (502) are respectively located on both sides of the monitoring pipe (1); the two screw rods (502) are threadedly connected to the same sealing cover (503); a through hole is opened at the top of the monitoring pipe (1); the sealing cover (503) can completely cover the through hole; a rotating disk (506) is rotatably connected to one side of the top outer wall of the mounting frame (501); the rotating disk (506) and the top of one of the screw rods (502) are coaxially fixed.

2. The ammonia escape monitoring and protection device according to claim 1, characterized in that: A sprocket (504) is rotatably connected to both sides of the outer wall of the bottom of the mounting frame (501), and the two sprockets (504) are coaxially fixed to one end of the bottom of the two screw rods (502) respectively, and the two sprockets (504) are sleeved with the same chain (505).

3. The ammonia escape monitoring and protection device according to claim 1, characterized in that: A monitoring probe (2) is fixedly mounted on the bottom of the inner circumferential wall of the monitoring pipe (1); two mounting rings (3) are arranged inside the monitoring pipe (1); a filter screen (4) is slidably inserted between the two mounting rings (3); and the monitoring probe (2) and the filter screen (4) are both located at the bottom of the through hole.

4. The ammonia escape monitoring and protection device according to claim 3, characterized in that: A cleaning component (6) is installed inside the monitoring pipeline (1), and the filter (4) is located between the cleaning component (6) and the monitoring probe (2).

5. The ammonia escape monitoring and protection device according to claim 4, characterized in that: The cleaning assembly (6) comprises a support frame (601) fixedly connected to the inside of the monitoring pipe (1); a brush (602) is rotatably connected to the outer wall of one side of the support frame (601); the brush (602) and the center line of the filter (4) are consistent; a motor (603) is fixedly installed on the top of the circumferential outer wall of the monitoring pipe (1); a transmission wheel (604) is coaxially fixed to the rotating shaft of the motor (603); a driven wheel (605) meshing with the transmission wheel (604) is rotatably connected to the inner wall of one side of the support frame (601); the driven wheel (605) and the brush (602) are coaxially fixed.

6. The ammonia escape monitoring and protection device according to claim 5, characterized in that: The middle part of the support frame (601) is a closed square cover, and the driving wheel (604) and the driven wheel (605) are both located inside the square cover.

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