Pipeline suction sampling gas monitoring device

Abstract

The utility model discloses a pipeline suction sampling gas monitoring device which comprises a box body, a pipeline, a suction mechanism, a sealing mechanism and a partition plate, the box body is fixed on the side wall of the pipeline, the partition plate is fixed in the box body, and the suction mechanism is mounted on the partition plate; the sealing mechanism is located in the suction mechanism. The suction mechanism comprises a suction pipe, a piston, an electric push rod I, a disc, a sampling bottle and an arc-shaped connecting plate; the suction pipe is fixed in the box body; one end of the suction pipe is communicated with the pipeline; the piston and the disc are movably connected into the suction pipe. The disc is located on one side of the piston. The two ends of the arc-shaped connecting plate are fixedly connected to the piston and the disc correspondingly. The electric push rod I is fixed at one end of the suction pipe away from the pipeline. According to the utility model, to-be-detected gas in the pipeline can be pumped into the sampling bottle for sampling and monitoring; dust particles can be prevented from being attached to the monitoring probe to influence the monitoring accuracy of the monitoring probe; and meanwhile, dust particle monitoring can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas monitoring technical field, especially relate to a pipeline suction sampling gas monitoring device. BACKGROUND

[0002] In the flue gas emission process, it is necessary to monitor, prevent flue gas treatment from being not in place, and pollute the environment after emission; but when the dust particles in the flue gas need to be monitored in the monitoring process of the existing monitoring device, the filtration of the filter screen will affect the monitoring of the dust particles in the flue gas by the monitoring head; and the sampling for monitoring is single in the sampling process, thereby affecting the detection result of the flue gas.

[0003] After searching, the prior art with the publication number CN221612483U, a flue gas detection gas treatment device, the inner wall of both sides of the fixed ring is screwed with a threaded rod, and the outer wall of one end of the threaded rod is rotationally connected with a limiting block, the outer wall of the top of the fixed ring is counterclockwise welded with a first supporting plate, a second supporting plate, a third supporting plate and a fourth supporting plate, and the outer wall of the top of the first supporting plate, the second supporting plate, the third supporting plate and the fourth supporting plate is welded with a supporting plate; its processing process has the following shortcomings: the gas bag can only sample the flue gas singly, which will cause the detection of the gas to be limited and further affect the accuracy of the gas monitoring.

[0004] After searching, the prior art with the publication number CN219456075U, a flue gas monitoring device, includes a flue gas monitor, also includes a flue gas monitoring pipe connected to the flue gas conveying pipe, the flue gas monitoring pipe is in communication with the flue gas conveying pipe at the flue gas inlet end and the flue gas outlet end; a flue gas filter pipe is arranged on the inner wall of the flue gas monitoring pipe, the flue gas monitor is installed on the flue gas monitoring pipe, and the monitoring head of the flue gas monitor extends into the flue gas filter pipe after penetrating the inner wall of the flue gas monitoring pipe; its processing process has the following shortcomings: the monitoring head of the flue gas monitor is located in the filter pipe, which can protect the monitoring head, but when the dust particles in the flue gas need to be monitored, the filtration of the filter pipe will affect the monitoring of the dust particles in the flue gas by the monitoring head. SUMMARY

[0005] The utility model aims at overcoming the defects in the prior art, and provides a pipeline suction sampling gas monitoring device, the suction mechanism can suck the gas to be measured in the pipeline into the suction pipe, and the gas enters the inside of the sampling bottle through the suction pipe; thereby the gas in the pipeline is sampled and monitored; the bottle plug can prevent the gas in the inside of the sampling bottle from being polluted, and affect the monitoring result; the filter screen filters the gas, reduces the dust of the gas sampled by the sampling bottle at the back side, can prevent the dust particles from adhering to the monitoring probe, and affect the monitoring accuracy of the monitoring probe; at the same time, the unfiltered gas can enter the sampling pipe in front of the filter screen for dust particle monitoring.

[0006] In order to achieve the above object, the utility model adopts the technical scheme of:

[0007] A pipeline suction sampling gas monitoring device, including box, pipeline, suction mechanism, sealing mechanism, baffle, the box is fixed on the pipeline side wall, the baffle is fixed in the box, and the suction mechanism is installed on the baffle, and one end of the suction mechanism is communicated with the pipeline, and the sealing mechanism is located in the suction mechanism.

[0008] The suction mechanism includes a suction pipe, a piston, an electric push rod I, a disc, a sampling bottle and an arc-shaped connecting plate, the suction pipe is fixed in the box, one end of the suction pipe is communicated with the pipeline, the piston and the disc are movably connected in the suction pipe, and the disc is located on one side of the piston, the arc-shaped connecting plate is fixedly connected to the piston and the disc at two ends respectively, the electric push rod I is fixed at one end of the suction pipe away from the pipeline, and the output end is connected to the disc, the sampling bottle is provided with a plurality of sampling bottles, and the sampling bottles are evenly installed on the side wall of the suction pipe, the sampling bottle opening is communicated with the suction pipe, a monitoring probe is arranged in the sampling bottle, and the monitoring probe is connected with an external gas analyzer.

[0009] The sealing mechanism includes a lifting plate, a fixed plate, an electric push rod II, a bottle plug, an electric push rod III and a clamping plate, the fixed plate is provided with a pair of fixed plates, and the fixed plates are fixed on the piston and the disc respectively, the electric push rod II is provided with a pair of electric push rods II, and the electric push rods II are connected to the corresponding fixed plates respectively, the lifting plate is located between the piston and the disc, and the lifting plate is connected to the output ends of the corresponding electric push rods II at two ends respectively, a plurality of through holes are formed in the lifting plate, the through holes correspond to the sampling bottles, a pair of vertical plates are arranged on the lifting plate, the electric push rod III is provided with a plurality of groups of electric push rods III, and each group of electric push rods III is provided with a pair of electric push rods III, the electric push rod III is fixed on the vertical plate, and the output end penetrates through the side wall of the vertical plate, the output end of the electric push rod III is provided with a connecting plate, and the clamping plate is fixed at one end of the connecting plate away from the electric push rod III, the bottle plug is provided with a plurality of bottle plugs, the bottle plugs are installed at the corresponding sampling bottle openings respectively, the clamping plate clamps the bottle plug, and the sampling bottle opening and the bottle plug correspond to the through holes of the lifting plate.

[0010] The suction pipe is provided with a filter screen, one end of the filter screen is provided with a guide rod, and the other end of the guide rod penetrates through the piston and the disc.

[0011] The suction pipe includes two groups of sleeve pipes, and the two groups of sleeve pipes are fixedly connected through bolts.

[0012] The utility model has the advantages that compared with prior art:

[0013] 1) First, the power is provided by the electric push rod III to drive the clamping plate to move, so as to clamp the bottle plug, then the power is provided by the electric push rod II to drive the lifting plate to move, so as to take out the bottle plug from the sampling bottle mouth; then the power is provided by the electric push rod I in the suction mechanism to drive the piston to move along the inside of the suction pipe, so as to suck the gas to be measured in the pipeline into the suction pipe, and into the sampling bottle inside through the suction pipe; so as to sample and monitor the gas in the pipeline; finally, the electric push rod I drives the electric push rod III to drive the clamping plate away from the bottle plug, so as to facilitate the sampling bottle to be taken down; the bottle plug can prevent the gas in the sampling bottle from being polluted, and affect the monitoring result;

[0014] 2) The electric push rod III is provided with multiple groups, and the clamping plate is clamped by the power-driven electric push rod III; while the bottle plugs on other sampling bottles are not opened, the multiple groups of sampling bottles can sample and monitor the gas in the pipelines at different positions, so as to improve the accuracy of gas monitoring;

[0015] 3) When the piston moves to suck and sample, the piston drives the filter screen to move to the position between the two sampling bottles, the guide rod is in contact with the stopper, the piston continues to move, and the filter screen is located between the sampling bottles, so that the filter screen can filter the gas, the dust of the gas sampled by the rear sampling bottle is reduced, dust particles can be prevented from adhering to the monitoring probe, and the monitoring accuracy of the monitoring probe is affected; meanwhile, the unfiltered gas can enter the sampling pipe in front of the filter screen to monitor the dust particles. BRIEF DESCRIPTION OF DRAWINGS

[0016] FIG. 1 is a schematic structural diagram of the pipe suction sampling gas monitoring device according to the present application; Figure 1

[0017] FIG. 3 is a schematic structural diagram of the sealing mechanism in the pipe suction sampling gas monitoring device according to the present application; Figure 2

[0018] FIG. 4 is a schematic structural diagram of the sealing mechanism in the pipe suction sampling gas monitoring device according to the present application; Figure 3 Figure 1

[0019] FIG. 5 is a schematic structural diagram of the sealing mechanism in the pipe suction sampling gas monitoring device according to the present application; Figure 4 Figure 2

[0020] FIG. 6 is a schematic structural diagram of the sampling bottle in the pipe suction sampling gas monitoring device according to the present application; Figure 5

[0021] ​​​​​​​In the figure: 1, box; 2, pipeline; 3, suction mechanism; 301, suction pipe; 302, piston; 303, electric push rod I; 304, disc; 305, sampling bottle; 306, arc-shaped connecting plate; 4, sealing mechanism; 401, lifting plate; 4011, through hole; 4012, vertical plate; 402, fixed plate; 403, electric push rod II; 404, bottle plug; 405, electric push rod III; 4051, connecting plate; 406, clamping plate; 5, filter screen; 501, guide rod; 6, monitoring probe; 7, partition plate. DETAILED DESCRIPTION

[0022] For the convenience of persons skilled in the art to understand, the following will be combined with the accompanying drawings Figures 1-5 The technical scheme of the utility model is further specifically explained.

[0023] A pipeline suction sampling gas monitoring device, including box 1, pipeline 2, suction mechanism 3, sealing mechanism 4, partition plate 7, the box 1 is fixed on the lateral wall of pipeline 2, and the partition plate 7 is fixed in the box 1, and the suction mechanism 3 is installed on the partition plate 7, one end of the suction mechanism 3 is communicated with the pipeline 2, the sealing mechanism 4 is located in the suction mechanism 3, first, the gas in the pipeline 2 is suction sampled and monitored through the suction mechanism 3, then the sampling bottle of the suction mechanism 3 is blocked through the sealing mechanism 4 to prevent the leakage of the gas to be monitored.

[0024] The suction mechanism 3 includes suction pipe 301, piston 302, electric push rod I 303, disc 304, sampling bottle 305 and arc-shaped connecting plate 306, the suction pipe 301 is fixed in the box 1, one end of the suction pipe 301 is communicated with the pipeline 2, the piston 302 and the disc are movably connected in the suction pipe 301, the disc 304 is located on one side of the piston 302, the arc-shaped connecting plate 306 is fixedly connected on the piston 302 and the disc 304 at both ends respectively, the electric push rod I 303 is fixed on the end of the suction pipe 301 away from the pipeline 2, and the output end is connected with the disc 304, the sampling bottle 305 is provided with a plurality of sampling bottles, and the sampling bottles are evenly installed on the lateral wall of the suction pipe 301, the mouth of the sampling bottle 305 is communicated with the suction pipe 301, the monitoring probe 6 is arranged in the sampling bottle 305, the monitoring probe 6 is connected with the external gas analyzer, the model of the gas analyzer is YF900, the gas analyzer mainly monitors dust particles, CO, H2S, O2 and CO2, the electric push rod I 303 provides power to drive the piston 302 to move along the inside of the suction pipe 301 through the disc 304 and the arc-shaped connecting plate 306, so that the gas to be measured in the pipeline 2 is suctioned into the suction pipe 301, and then into the inside of the sampling bottle 305 through the suction pipe 301, thereby sampling and monitoring the gas in the pipeline.

[0025] The sealing mechanism 4 comprises a lifting plate 401, a fixed plate 402, an electric push rod II 403, a bottle plug 404, an electric push rod III 405 and a clamping plate 406; the fixed plate 402 is provided with a pair of fixed plates 402, and is respectively fixed on the piston 302 and the disc 304; the electric push rod II 403 is provided with a pair of electric push rods II 403, and is respectively connected to the corresponding fixed plate 402; the lifting plate 401 is located between the piston 302 and the disc 304, and the lifting plate 401 is respectively connected to the output end of the corresponding electric push rod II 403; the lifting plate 401 is provided with a plurality of through holes 4011, and the through holes 4011 correspond to the sampling bottles 305; the lifting plate 401 is provided with a pair of vertical plates 4012, and the electric push rod III 405 is provided with a plurality of groups of electric push rods III 405, which correspond to the plurality of through holes 4011; each group of electric push rod III 405 is provided with a pair of electric push rod III 405; the electric push rod III 405 is fixed on the vertical plate 4012, and the output end penetrates through the side wall of the vertical plate 4012; the electric push rod III 405 is provided with a connecting plate 4051, and the clamping plate 406 is fixed on the end of the connecting plate 4051 away from the electric push rod III 405; the bottle plug 404 is provided with a plurality of bottle plugs 404, which are respectively installed at the corresponding sampling bottle opening; the clamping plate 406 clamps the bottle plug 404; the sampling bottle opening and the bottle plug 404 correspond to the through hole of the lifting plate 401; the electric push rod III 405 provides power to drive the clamping plate 406 to move, so as to clamp the bottle plug 404; when the bottle plug 404 corresponds to the sampling bottle 305, the electric push rod II 403 provides power to drive the lifting plate 401 to move, so as to plug the bottle plug 404 into the sampling bottle opening; then the electric push rod III 405 drives the clamping plate 406 to move away from the bottle plug 404, so as to facilitate the sampling bottle 305 to be taken out; the bottle plug 404 can prevent the internal gas of the sampling bottle 305 from being polluted after being taken out, and affect the monitoring result; the electric push rod III 405 is provided with a plurality of groups, and the clamping plate 406 clamps the bottle plug 404 by the power provided by the electric push rod III 405; while the bottle plug 404 on the other sampling bottle 305 is not opened, the plurality of groups of sampling bottles 305 can sample and monitor the gas in the pipes 2 at different positions, so as to improve the accuracy of gas monitoring.

[0026] The suction pipe 301 is provided with a filter screen 5 inside, one end of the filter screen 5 is provided with a guide rod 501, and the end of the guide rod 501 away from the filter screen 5 penetrates through the piston 302 and the disc 304; when the piston 302 moves to sample and sample, the piston 302 drives the filter screen 5 to move to between the two sampling bottles 305, the guide rod 501 contacts the stop block, the piston 302 continues to move, and the filter screen 5 is located between the sampling bottles 305, so that the filter screen 5 can filter the gas, and the gas sampled by the sampling bottle 305 on the rear side reduces dust, which can prevent dust particles from adhering to the monitoring probe 6, and affect the monitoring accuracy of the monitoring probe 6.

[0027] The suction pipe 301 comprises two groups of sleeve pipes which are fixedly connected through bolts, and are convenient to disassemble and clean.

[0028] A pipeline gas sampling monitoring device operates as follows: First, an electric push rod III 405 provides power to move a clamping plate 406, thereby clamping a bottle stopper 404. Then, an electric push rod II 403 provides power to move a lifting plate 401, thereby removing the bottle stopper 404 from the sampling bottle 305. An electric push rod I 303 provides power to move a piston 302 along the inside of a suction tube 301, thereby drawing the gas to be tested from the pipeline 2 into the suction tube 301, and then into the sampling bottle 305 through the suction tube 301. This allows for the sampling and monitoring of the gas inside the pipeline. Then, the electric push rod III 405 provides power to move the clamping plate 406, thereby clamping the bottle stopper 404. When the bottle stopper 404 aligns with the sampling bottle 305, the electric push rod II 403 provides power to move the lifting plate 401, thereby inserting the bottle stopper 404 into the mouth of the sampling bottle. Then, the electric push rod III 405 moves the clamping plate 406 away from the bottle stopper 404, making it easier to remove the sampling bottle 305. The bottle stopper 404 can prevent the internal gas of the sampling bottle 305 from being contaminated after it is removed, thus affecting the monitoring results.

[0029] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In summary, the electronic or electrical components, including but not limited to electric actuator I, electric actuator II, electric actuator III, and monitoring probe, are existing components that were custom-made or purchased. The electrical connections between these components are conventional circuit or electrical connections in the prior art and are not within the scope of protection of this utility model.

[0031] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A pipeline sampling gas monitoring device, comprising a housing, a pipeline, a suction mechanism, a sealing mechanism, and a partition; characterized in that... The housing is fixed to the side wall of the pipe, the partition is fixed inside the housing, the suction mechanism is installed on the partition, one end of the suction mechanism is connected to the pipe; the sealing mechanism is located inside the suction mechanism. The suction mechanism includes a suction tube, a piston, an electric push rod I, a disc, a sampling bottle, and an arc-shaped connecting plate. The suction tube is fixed inside the housing, with one end connected to a pipeline. The piston and disc are both movably connected inside the suction tube, with the disc located on one side of the piston. The arc-shaped connecting plate is fixedly connected to the piston and disc at both ends, respectively. The electric push rod I is fixed at the end of the suction tube away from the pipeline, and its output end is connected to the disc. Several sampling bottles are provided and evenly installed on the side wall of the suction tube, with the bottle opening connected to the suction tube. A monitoring probe is installed inside the sampling bottle. The monitoring probe is connected to an external gas analyzer.

2. The pipeline sampling gas monitoring device according to claim 1, characterized in that... The sealing mechanism includes a lifting plate, a fixed plate, an electric push rod II, a bottle stopper, an electric push rod III, and a clamping plate. A pair of fixed plates are provided, each fixed to a piston and a disc respectively. A pair of electric push rods II are provided, each connected to a corresponding fixed plate. The lifting plate is located between the piston and the disc, with both ends connected to the output ends of the corresponding electric push rods II. The lifting plate has several through holes corresponding to the sampling bottles. A pair of vertical plates are provided on the lifting plate. Several groups of electric push rods III are provided, each corresponding to a certain number of through holes, with a pair of electric push rods III in each group. The electric push rods III are fixed to the vertical plates, with their output ends passing through the sidewalls of the vertical plates. A connecting plate is provided at the output end of the electric push rods III, and a clamping plate is fixed to the end of the connecting plate away from the electric push rods III. Several bottle stoppers are provided, each installed at the corresponding sampling bottle opening. The clamping plate clamps the bottle stoppers, and both the sampling bottle opening and the bottle stopper correspond to the through holes of the lifting plate.

3. The pipeline sampling gas monitoring device according to claim 1, characterized in that... The suction tube is equipped with a filter screen, and one end of the filter screen is equipped with a guide rod. The end of the guide rod away from the filter screen passes through the piston and the disc.

4. A pipeline sampling gas monitoring device according to claim 1, characterized in that... The suction tube consists of two sets of sleeves, which are fixedly connected by bolts.

Images