Waste gas on-line monitoring device

Abstract

The utility model relates to the technical field of waste gas monitoring, in particular to a waste gas on-line monitoring device which comprises waste gas monitoring equipment, a display screen is installed on the front end face of the waste gas monitoring equipment, one end of the waste gas monitoring equipment is fixedly connected with a shell, and one end of the shell is fixedly connected with a vertical plate. An exhaust pipeline is attached to one end of the vertical plate, a shell is fixedly connected to the lower portion of the front end face of the waste gas monitoring equipment, a sliding rod is fixedly connected to one end of the inner wall of the shell, a cleaning structure is arranged on one side of the shell, and a knocking structure is arranged on one side of the shell. Through cooperation of waste gas monitoring equipment, a shell, a display screen, a sliding rod and a cleaning structure, a second motor drives a reciprocating lead screw to rotate, the reciprocating lead screw drives a vertical block to move left and right, the vertical block drives a round block to move left and right, the round block drives a plate body to swing, and the plate body drives wiping cloth to swing, so that dust on the display screen is conveniently and automatically cleaned; and the dust is prevented from influencing the observation of the monitoring data by workers.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas monitoring, in particular to an online waste gas monitoring device. Background Art

[0002] Waste gas refers to toxic and harmful gases discharged by humans in the process of production and life, especially from chemical plants, steel mills, pharmaceutical plants, coking plants and refineries. The waste gas emitted has a strong odor, seriously polluting the environment and affecting human health.

[0003] There is an online exhaust gas monitoring device (application number: 202320065318.2) that is convenient for installing online monitoring equipment on all main exhaust ports. When the flue gas is filtered through the filter plate, it can be wrapped and cooled through the cooling guide groove, which has better effect and is more convenient to use. The above still exists. In industrial production, exhaust gas is often generated. The direct emission of exhaust gas often causes serious air pollution, and then the exhaust gas needs to be treated. Before discharging, it is necessary to install exhaust gas monitoring equipment at the discharge point. The exhaust gas monitoring equipment draws part of the exhaust gas into the equipment to analyze the exhaust gas. , and then realize the monitoring of exhaust gas, and the monitored data is displayed on the display screen. Since the display screen is exposed to the outside, it is easy to be contaminated by dust, and it is not convenient to automatically clean the dust on the display screen, which is easy to affect the staff's observation of the monitoring data. When the exhaust gas is drawn into the exhaust gas monitoring equipment, the exhaust gas will be pre-treated to prevent impurities from entering the exhaust gas monitoring equipment. The impurities can be blocked by the setting of the filter, but the filter is easily clogged by impurities due to long-term use, and it is not convenient to clean the attached impurities, which is easy to affect the passage of the exhaust gas, and thus affect the monitoring work. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art that it is inconvenient to automatically clean the dust on the display screen, which easily affects the staff's observation of monitoring data, and it is inconvenient to clean the attached impurities, which easily affects the passage of exhaust gas and thus affects the monitoring work, and an online exhaust gas monitoring device is proposed.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An online exhaust gas monitoring device is designed, including an exhaust gas monitoring device, a display screen is installed on the front end surface of the exhaust gas monitoring device, one end of the exhaust gas monitoring device is fixedly connected to a shell, one end of the shell is fixedly connected to a vertical plate, one end of the vertical plate is attached to an exhaust pipe, an outer shell is fixedly connected below the front end surface of the exhaust gas monitoring device, a sliding rod is fixedly connected to one end of the inner wall of the outer shell, a cleaning structure is provided on one side of the outer shell, and a knocking structure is provided on one side of the shell.

[0007] Preferably, the cleaning structure includes a reciprocating screw, one side of the outer wall of the reciprocating screw is rotatably connected to the inner wall of one end of the outer shell through a bearing, one end of the reciprocating screw is fixedly connected to the output end of motor 2, one end of motor 2 is fixedly connected to one end of the outer shell, the outer wall of the reciprocating screw is slidably clamped with a vertical block, a round block is fixedly connected above the front end surface of the vertical block, the outer wall of the round block is slidably clamped with the lower through groove of the plate body, the rear end of the plate body is rotatably connected to the front end surface of the exhaust gas monitoring equipment through a pin shaft, a wiping cloth is fixedly connected above the rear end of the plate body, and the upper inner wall of the vertical block is slidably clamped with the outer wall of the sliding rod.

[0008] Preferably, a square box is fixedly connected to the bottom of the inner wall of the shell, and the inner wall of one end of the square box is fixedly connected to the air intake pipe of the exhaust gas monitoring equipment.

[0009] Preferably, a straight plate is fixedly connected to the top inner wall of the square box, a filter screen is gapped at the lower portion of the outer wall of the straight plate, and a bottom groove of the filter screen is gapped with a bottom protrusion of the inner wall of the shell.

[0010] Preferably, a straight pipe is fixedly connected to the lower inner wall of the vertical plate, and one side of the outer wall of the straight pipe is gap-matched with the lower inner wall of the exhaust pipe.

[0011] Preferably, the knocking structure includes a motor 1, the top of the motor 1 is fixedly connected to the top of the inner wall of the shell, the output end of the motor 1 is fixedly connected to a circular plate, a slide plate is provided on one side of the circular plate, a square rod is slidably engaged with the upper inner wall of the slide plate, the left and right ends of the square rod are respectively fixedly connected to one end of the exhaust gas monitoring device and one end of the vertical plate, a spring is fitted in the outer wall gap of the square rod, the left and right ends of the spring are respectively fixedly connected to one end of the exhaust gas monitoring device and one upper side of the slide plate, a rubber ball is fixedly connected to the lower side of one side of the slide plate, and one end of the rubber ball fits with the upper side of one side of the straight plate.

[0012] The utility model proposes an online exhaust gas monitoring device, which has the beneficial effect that: through the cooperation of the exhaust gas monitoring device, the housing, the display screen, the slide bar and the cleaning structure, when the device is in use, the reciprocating screw rod can be driven by the second motor to rotate, the reciprocating screw rod drives the vertical block to move left and right, the vertical block drives the round block to move left and right, the round block drives the plate body to swing, and the plate body drives the wiping cloth to swing, so as to automatically clean the dust on the display screen, and avoid the dust affecting the staff's observation of the monitoring data;

[0013] Through the coordination of the exhaust gas monitoring equipment, the shell, the square box, the filter, the straight plate and the knocking structure, when the device is in use, the motor can drive the circular plate to rotate, the protrusion on the circular plate pushes the slide plate to the right, the spring drives the slide plate to move to the left, and then the slide plate drives the rubber ball to move left and right, the rubber ball knocks on the straight plate, thereby achieving vibration of the filter, facilitating the cleaning of attached impurities, avoiding affecting the passage of exhaust gas, and thus affecting the monitoring work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the exhaust gas monitoring device, housing and shell structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the square rod, spring and slide structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the plate body, vertical blocks and round blocks of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the motor 1, the circular plate and the slide plate of the utility model;

[0019] Figure 6 It is a schematic diagram of the structure of the shell, slot plate and cross plate of the utility model.

[0020] In the figure: 1. exhaust gas monitoring equipment, 2. knocking structure, 2a1. motor one, 2a2. round plate, 2a3. square rod, 2a4. spring, 2a5. rubber ball, 2a6. slide plate, 2b1. groove plate, 2b2. horizontal plate, 3. cleaning structure, 301. plate body, 302. rag, 303. vertical block, 304. round block, 305. reciprocating screw rod, 306. motor two, 4. shell, 5. display screen, 6. square box, 7. shell, 8. filter screen, 9. straight plate, 10. exhaust pipe, 11. straight pipe, 12. slide rod, 13. vertical plate. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] See attached Figure 1-6In the present embodiment, an online exhaust gas monitoring device includes an exhaust gas monitoring device 1, a display screen 5 is installed on the front end surface of the exhaust gas monitoring device 1, one end of the exhaust gas monitoring device 1 is fixedly connected to a shell 7, one end of the shell 7 is fixedly connected to a vertical plate 13, one end of the vertical plate 13 is fitted with an exhaust pipe 10, an outer shell 4 is fixedly connected below the front end surface of the exhaust gas monitoring device 1, the outer shell 4 and the front end surfaces of the shell 7 are both connected with a baffle through bolt threads, one end of the inner wall of the outer shell 4 is fixedly connected to a sliding rod 12, the bottom of the inner wall of the shell 7 is fixedly connected to a square box 6, the inner wall of one end of the square box 6 is fixedly connected to the air intake pipe of the exhaust gas monitoring device 1, and the top inner wall of the square box 6 is fixedly connected to a straight plate 9.

[0024] A filter screen 8 is provided in the gap below the outer wall of the straight plate 9. When the filter screen 8 is subjected to force, it can move back and forth under the outer wall of the straight plate 9 and the outer wall of the bottom convex block of the inner wall of the shell 7. The bottom groove of the filter screen 8 is matched with the gap of the bottom convex block of the inner wall of the shell 7. The material and mesh number of the filter screen 8 are determined according to actual usage. A straight pipe 11 is fixedly connected to the inner wall below the vertical plate 13. One side of the outer wall of the straight pipe 11 is matched with the gap of the lower inner wall of the exhaust pipe 10. A rubber sleeve is fixedly connected to the inner wall below one side of the exhaust pipe 10, and the rubber sleeve plays a sealing role. A cleaning structure 3 is provided on one side of the outer shell 4, and a knocking structure 2 is provided on one side of the shell 7. The cleaning structure 3 is convenient for automatically cleaning the dust on the display screen 5 to prevent dust from affecting the staff's observation of the monitoring data. The knocking structure 2 is convenient for cleaning the attached impurities to avoid affecting the passage of exhaust gas, thereby affecting the monitoring work.

[0025] The cleaning structure 3 includes a reciprocating screw rod 305, one side of the outer wall of the reciprocating screw rod 305 is rotatably connected to the inner wall of one end of the housing 4 through a bearing, one end of the reciprocating screw rod 305 is fixedly connected to the output end of the second motor 306, the model of the second motor 306 is determined according to the actual use situation, one end of the second motor 306 is fixedly connected to one end of the housing 4, the outer wall of the reciprocating screw rod 305 is slidably connected with a vertical block 303, the upper front end surface of the vertical block 303 is fixedly connected with a round block 304, and the outer wall of the round block 304 is slidably connected with the lower through groove of the plate body 301;

[0026] The rear end of the plate body 301 is rotatably connected to the front end surface of the exhaust gas monitoring device 1 through a pin shaft. The pin shaft allows the plate body 301 to rotate on the front end surface of the exhaust gas monitoring device 1 when force is applied. A rag 302 is fixedly connected to the upper rear end of the plate body 301. The upper inner wall of the vertical block 303 is slidably engaged with the outer wall of the slide bar 12. The slide bar 12 acts as a limiter for the vertical block 303 when it moves left and right under force, so as to automatically clean the dust on the display screen 5 and prevent the dust from affecting the staff's observation of the monitoring data.

[0027] The knocking structure 2 includes a motor 2a1, the top of which is fixedly connected to the top of the inner wall of the shell 7. The model of the motor 2a1 is determined according to the actual usage. The output end of the motor 2a1 is fixedly connected to a circular plate 2a2, and a slide plate 2a6 is provided on one side of the circular plate 2a2. A square rod 2a3 is slidably engaged with the inner wall above the slide plate 2a6. The left and right ends of the square rod 2a3 are respectively fixedly connected to one end of the exhaust gas monitoring device 1 and one end of the vertical plate 13. The outer wall gap of the square rod 2a3 is equipped with a spring 2a4, which gives the slide plate 2a6 a leftward force. The left and right ends of the spring 2a4 are respectively fixedly connected to one end of the exhaust gas monitoring device 1 and one upper side of the slide plate 2a6. A rubber ball 2a5 is fixedly connected to the lower side of one side of the slide plate 2a6, and one end of the rubber ball 2a5 fits with the upper side of one side of the straight plate 9, which is convenient for cleaning the attached impurities to avoid affecting the passage of the exhaust gas and thus affecting the monitoring work.

[0028] Working principle:

[0029] When monitoring exhaust gas:

[0030] The pump body inside the exhaust gas monitoring device 1 draws the exhaust gas in the exhaust pipe 10 into the exhaust gas monitoring device 1. When the exhaust gas passes through the filter screen 8, the filter screen 8 filters the impurities. After the exhaust gas enters the exhaust gas monitoring device 1, the exhaust gas is analyzed and monitored. The monitored data is displayed on the display screen 5. At this time, the motor 2 306 starts to work, the motor 2 306 drives the reciprocating screw 305 to rotate, the reciprocating screw 305 drives the vertical block 303 to move left and right, the vertical block 303 drives the round block 304 to move left and right, the round block 304 drives the plate body 301 to swing, the plate body 301 drives the wiping cloth 302 to swing, and then wipe the dust on the display screen 5. The staff can understand the exhaust gas situation through the display screen 5;

[0031] When the filter 8 needs to be cleaned:

[0032] Motor 1 2a1 starts to work, and motor 1 2a1 drives the circular plate 2a2 to rotate. The protrusion on the circular plate 2a2 pushes the slide plate 2a6 to the right, and the spring 2a4 drives the slide plate 2a6 to move to the left, and then the slide plate 2a6 drives the rubber ball 2a5 to move left and right, and the rubber ball 2a5 knocks the straight plate 9, thereby vibrating the filter screen 8, which is convenient for cleaning the attached impurities, and the bolts are turned to remove the baffle on the front end face of the shell 7, which is convenient for collecting impurities.

[0033] Embodiment 2:

[0034] See attached Figure 1-6In the present embodiment, an online exhaust gas monitoring device is provided, wherein the knocking structure 2 may further include a groove plate 2b1, one side of the outer wall of the groove plate 2b1 is fixedly connected to one side of the outer wall of the shell 7, a transverse plate 2b2 is fitted in the inclined groove gap at one end of the groove plate 2b1, one end of the transverse plate 2b2 is fixedly connected to the outer side of one end of the exhaust pipe 10, and the inner wall of the transverse plate 2b2 is threadedly connected to the inner wall of one side of the groove plate 2b1 through bolts.

[0035] Working principle:

[0036] Insert the transverse plate 2b2 into the inclined groove of the groove plate 2b1. The inclined groove of the groove plate 2b1 guides the insertion of the transverse plate 2b2. Fix the groove plate 2b1 and the transverse plate 2b2 by bolts, thereby completing the connection and fixation of the device to the exhaust duct 10, which is convenient for the staff to operate.

[0037] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An exhaust gas online monitoring device, comprising an exhaust gas monitoring device (1), characterized in that: A display screen (5) is installed on the front face of the exhaust gas monitoring device (1); one end of the exhaust gas monitoring device (1) is fixedly connected to a shell (7); one end of the shell (7) is fixedly connected to a vertical plate (13); one end of the vertical plate (13) is attached to an exhaust pipe (10); a shell (4) is fixedly connected below the front face of the exhaust gas monitoring device (1); one end of the inner wall of the shell (4) is fixedly connected to a sliding rod (12); a cleaning structure (3) is provided on one side of the shell (4); and a knocking structure (2) is provided on one side of the shell (7).

2. The exhaust gas online monitoring device according to claim 1, characterized in that: The cleaning structure (3) comprises a reciprocating screw (305), one side of the outer wall of the reciprocating screw (305) is rotatably connected to the inner wall of one end of the housing (4) via a bearing, one end of the reciprocating screw (305) is fixedly connected to the output end of the second motor (306), one end of the second motor (306) is fixedly connected to one end of the housing (4), the outer wall of the reciprocating screw (305) is slidably engaged with a vertical block (303), a round block (304) is fixedly connected above the front end surface of the vertical block (303), the outer wall of the round block (304) is slidably engaged with the lower through groove of the plate body (301), the rear end of the plate body (301) is rotatably connected to the front end surface of the exhaust gas monitoring device (1) via a pin shaft, a wiping cloth (302) is fixedly connected above the rear end of the plate body (301), and the upper inner wall of the vertical block (303) is slidably engaged with the outer wall of the sliding rod (12).

3. The exhaust gas online monitoring device according to claim 1, characterized in that: A square box (6) is fixedly connected to the bottom of the inner wall of the shell (7), and the inner wall of one end of the square box (6) is fixedly connected to the air intake pipe of the exhaust gas monitoring device (1).

4. The exhaust gas online monitoring device according to claim 3 is characterized in that: A straight plate (9) is fixedly connected to the top inner wall of the square box (6), a filter screen (8) is gap-matched below the outer wall of the straight plate (9), and a bottom groove of the filter screen (8) is gap-matched with a bottom protrusion of the inner wall of the shell (7).

5. The exhaust gas online monitoring device according to claim 1, characterized in that: A straight pipe (11) is fixedly connected to the lower inner wall of the vertical plate (13), and one side of the outer wall of the straight pipe (11) is gap-matched with the lower inner wall of the exhaust pipe (10).

6. The exhaust gas online monitoring device according to claim 1, characterized in that: The knocking structure (2) comprises a motor (2a1), the top of which is fixedly connected to the top of the inner wall of the housing (7), the output end of which is fixedly connected to a circular plate (2a2), one side of which is provided with a slide plate (2a6), the upper inner wall of which is slidably engaged with a square rod (2a3), the left and right ends of the square rod (2a3) are respectively fixedly connected to one end of the exhaust gas monitoring device (1) and one end of the vertical plate (13), the outer wall gap of the square rod (2a3) is fitted with a spring (2a4), the left and right ends of the spring (2a4) are respectively fixedly connected to one end of the exhaust gas monitoring device (1) and the upper side of the slide plate (2a6), the lower side of which is fixedly connected to a rubber ball (2a5), one end of which is fitted to the upper side of the straight plate (9).

Images