Flue gas sampling device

Abstract

The utility model relates to the technical field of flue gas sampling, and discloses a flue gas sampling device which comprises a flue gas sampler body and a triangular support frame, the flue gas sampler body is mounted at the top end of the triangular support frame through a fixing bolt, and a flue gas sampling pump is mounted on one side of the top end of the flue gas sampler body. A gas extraction opening of the flue gas sampling pump is fixedly provided with an impurity removal box through a gas extraction pipe, a plurality of metal shaping hoses are connected to the center of one end, far away from the flue gas sampling pump, of the impurity removal box, and a sampling gas inlet head is connected to one end, far away from the impurity removal box, of each metal shaping hose; through the flue gas storage tank, the vaporization separator, the metal shaping hose, the impurity removal box, the sampling electromagnetic valve, the gas pipe and the exhaust valve, flue gas at different positions can be collected for multiple times in a manner of intermittently opening the sampling electromagnetic valve, so that the sampling efficiency can be conveniently improved, the mixing of retained gas and the collected sample flue gas is prevented, and the sampling accuracy is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas sampling technical field, concretely is a flue gas sampling device. BACKGROUND

[0002] Flue gas is a mixture of a plurality of harmful gases, high concentration of flue gas can cause pollution to the atmosphere of residential area, and can cause various respiratory diseases, therefore, before emission, needs to carry out purification, and after reaching the emission requirement, carries out emission again, in order to purify different flue gas, needs to use sampling device to collect flue gas sample, so that personnel carry out detection experiment, to find out suitable treatment method.

[0003] Chinese patent provides a kind of flue gas sampling device, publication number is CN221976553U, including flue gas sampling device body, the top one side of flue gas sampling device body is provided with flue gas storage tank;The other side of the top of flue gas sampling device body is provided with vaporization separator matched with flue gas storage tank, and the top of the side of vaporization separator is provided with hose.

[0004] The above-mentioned device connects the flue gas sampling nozzle and the connecting pipe through the clamping assembly, ensures that the flue gas sample can flow smoothly into the flue gas sampling device body for detection, guarantees the accuracy of the sample flue gas, and helps to prevent external pollutants and other impurities from entering the connecting pipe, ensures the original degree of the sample flue gas, can be effectively installed and replaced, makes the maintenance and operation process more simple;

[0005] But through single sampling nozzle and gas pipe, flue gas is filtered and collected, the structure is relatively single, only one place of flue gas can be collected at a time, when multiple samples need to be detected for comparison, multiple times of collection are needed, the efficiency is low, and a small amount of gas is left in flue gas storage tank and connecting pipe, at this time, direct sampling, flue gas sample will be mixed with residual gas, which will affect the sampling accuracy. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of flue gas sampling device, can effectively solve the problem that only one place of flue gas can be collected at a time in background art, the efficiency is low, and a small amount of gas is left in flue gas storage tank and connecting pipe, flue gas sample is mixed with residual gas.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A kind of flue gas sampling device, including flue gas sampler body and triangular support frame, and flue gas sampler body is installed at the top of triangular support frame by fixed bolt, the top of flue gas sampler body is installed with flue gas sampling pump by one side;

[0009] The suction port of the flue gas sampling pump is fixedly provided with a dedusting box through a suction pipe, a plurality of metal shaped hoses are connected to the central position of the end of the dedusting box away from the flue gas sampling pump, a sampling air inlet head is connected to the end of the metal shaped hoses away from the dedusting box, a plurality of flue gas storage tanks are installed on the top of the flue gas sampler body on the side away from the flue gas sampling pump, a vaporization separator adaptively matched with the flue gas storage tanks is installed on the top of the flue gas sampler body on the side close to the flue gas sampling pump, and the air inlet of the vaporization separator is connected with the gas outlet of the flue gas sampling pump through a connecting pipe.

[0010] Preferably, the connection between the metal shaped hose and the dedusting box is provided with a sampling electromagnetic valve adaptively matched with the flue gas storage tank, and an exhaust pipe is arranged through the top of the flue gas storage tank.

[0011] Preferably, the connection between the flue gas storage tank and the exhaust pipe is provided with an exhaust valve, and a one-way valve is connected to the top of the exhaust pipe.

[0012] Preferably, a filter screen is movably arranged through the central position of the top of the dedusting box, and a collecting frame is movably arranged through the lower position of the front end of the dedusting box.

[0013] Preferably, a landslide is arranged in the dedusting box between the filter screen and the collecting frame, and the end of the landslide close to the flue gas sampling pump is raised.

[0014] Preferably, elastic fasteners adaptively matched with the collecting frame are movably arranged on the both sides of the front end of the dedusting box, and a handle is arranged on the central position of the front end of the collecting frame.

[0015] Compared with the prior art, the flue gas sampling device has the following beneficial effects:

[0016] The flue gas sampling device is provided with the flue gas storage tank, the vaporization separator, the metal shaped hose, the dedusting box and the sampling electromagnetic valve, and the sampling electromagnetic valve is intermittently opened during the sampling process, so that the flue gas at different positions can be collected for multiple times, the sampling efficiency is improved, the filter screen and the collecting frame are arranged, the flue gas can be filtered, and the impurities filtered out can be collected for detection.

[0017] The flue gas storage tank, the exhaust pipe, the exhaust valve and the one-way valve are arranged, and the gas in the flue gas storage tank and the metal shaped hose can be discharged during the detection process, so that the remaining gas and the collected sample flue gas are prevented from being mixed, the sampling effect is prevented from being affected, and the sampling accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a schematic view of the overall structure of a flue gas sampling device according to an embodiment of the present application;

[0019] Figure 2 As shown in the enlarged view of the A area in the embodiment of the present application Figure 1 ;

[0020] Figure 3 As shown in the structure top view of the impurity removal box and the metal shaped hose in the embodiment of the present application

[0021] Figure 4 As shown in the structure schematic view of the filter screen and the collection frame in the embodiment of the present application

[0022] In the figure: 1, flue gas sampler body; 2, triangular support frame; 3, flue gas sampling pump; 4, impurity removal box; 5, metal shaped hose; 6, sampling electromagnetic valve; 7, sampling air inlet; 8, vaporization separator; 9, flue gas storage tank; 10, exhaust pipe; 11, exhaust valve; 12, one-way valve; 13, filter screen; 14, collection frame; 15, elastic fastener. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment one

[0025] In combination with Figures 1-4 , a flue gas sampling device comprises a flue gas sampler body 1 and a triangular support frame 2, and the flue gas sampler body 1 is installed at the top end of the triangular support frame 2 through fixing bolts, and the top end of the flue gas sampler body 1 is installed with a flue gas sampling pump 3 on one side.

[0026] In combination with Figure 3 and Figure 4 , it is further obtained that the suction port of the flue gas sampling pump 3 is fixedly installed with an impurity removal box 4 through a suction pipe, a plurality of metal shaped hoses 5 are connected to the central position of the end of the impurity removal box 4 away from the flue gas sampling pump 3, the end of the metal shaped hose 5 away from the impurity removal box 4 is connected with a sampling air inlet 7, a plurality of flue gas storage tanks 9 are installed on the side of the top end of the flue gas sampler body 1 away from the flue gas sampling pump 3, a vaporization separator 8 adaptively matched with the flue gas storage tank 9 is installed on the side of the top end of the flue gas sampler body 1 close to the flue gas sampling pump 3, and the air inlet of the vaporization separator 8 is connected with the gas outlet of the flue gas sampling pump 3 through a connecting pipe;

[0027] A filter screen 13 is movably installed through the central position of the top end of the impurity removal box 4, and a collection frame 14 is movably installed through the lower position of the front end of the impurity removal box 4, a slide slope is arranged between the filter screen 13 and the collection frame 14 in the impurity removal box 4, the slide slope is tilted near the end close to the flue gas sampling pump 3, and elastic fasteners 15 that adapt to the collection frame 14 are movably installed on both sides of the front end of the impurity removal box 4, and a handle is arranged at the central position of the front end of the collection frame 14.

[0028] Specifically, by starting the flue gas sampler body 1 and the metal shaped hose 5, and sequentially opening the sampling electromagnetic valve 6 corresponding to the flue gas storage tank 9, the flue gas can be drawn from the metal shaped hose 5 to the vaporization separator 8 for treatment, and the treated flue gas enters the flue gas storage tank 9, because the metal shaped hose 5 is provided with multiple metal shaped hoses, so that multiple groups of flue gas can be collected at the same time for subsequent detection and comparison, and the flue gas passes through the impurity removal box 4 when entering, and the flue gas is filtered by the filter screen 13, so as to prevent external pollutants and other impurities from entering the metal shaped hose 5, so as to ensure that the flue gas sample remains original and enters the flue gas sampler body 1 for detection, and the sampling accuracy is improved.

[0029] Example Two

[0030] Reference Figure 2 On the basis of example one, it is further obtained that the connection between the metal shaped hose 5 and the impurity removal box 4 is provided with a sampling electromagnetic valve 6 that adaptively matches the flue gas storage tank 9, a gas exhaust pipe 10 is arranged through the top end of the flue gas storage tank 9, a gas exhaust valve 11 is arranged at the connection between the flue gas storage tank 9 and the gas exhaust pipe 10, and a one-way valve 12 is connected to the top end of the gas exhaust pipe 10.

[0031] Specifically, during the sampling process, by opening the gas exhaust valve 11, the gas in the flue gas storage tank 9 can be continuously exhausted outward when the flue gas enters, so as to exhaust the gas remaining in the flue gas storage tank 9 and the metal shaped hose 5, prevent the gas from mixing with the collected flue gas sample, and avoid affecting the sampling accuracy, and the one-way valve 12 plays a role of one-way exhaust, preventing the gas from entering the flue gas storage tank 9 from the gas exhaust pipe 10.

[0032] In actual operation, by starting the flue gas sampler body 1 and the metal shaped hose 5, and sequentially opening the sampling electromagnetic valve 6 corresponding to the flue gas storage tank 9, the flue gas can be drawn from the metal shaped hose 5 to the vaporization separator 8 for treatment, and the treated flue gas enters the flue gas storage tank 9;

[0033] The metal shaped hose 5 is provided with multiple metal shaped hoses, so that multiple groups of flue gas can be collected at the same time for subsequent detection and comparison, and the flue gas enters from the impurity removal box 4, and the filtering of the flue gas by the filter screen 13 can prevent external pollutants and other impurities from entering the metal shaped hose 5, so as to ensure that the flue gas sample remains original and enters the flue gas sampler body 1 for detection, and the sampling accuracy is improved.

[0034] During the sampling process, the gas in the flue gas storage tank 9 can be continuously discharged outward when the flue gas enters by opening the exhaust valve 11, so as to discharge the gas remaining in the metal shaped hose 5 and prevent it from mixing with the collected flue gas sample, thereby avoiding affecting the sampling accuracy, and the one-way valve 12 plays a one-way exhaust function to prevent the gas from entering the flue gas storage tank 9 from the exhaust pipe 10;

[0035] Most of the impurities in the flue gas are filtered by the filter screen 13 and fall into the collection frame 14 in the impurity removal box 4, and after the flue gas sampling is completed, the elastic buckle 15 is pulled to release the locking of the collection frame 14, and then the collection frame 14 is pulled out to take out the filtered impurities for detection, thereby improving the detection effect.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flue gas sampling device, comprising a flue gas sampler body (1) and a triangular support frame (2), and the flue gas sampler body (1) is installed at the top end of the triangular support frame (2) through a fixing bolt, characterized in that: The top end of the flue gas sampler body (1) is installed with a flue gas sampling pump (3) on one side; The suction port of the flue gas sampling pump (3) is fixedly installed with a dedusting box (4) through a suction pipe, the dedusting box (4) is connected with a plurality of metal shaped hoses (5) at the central position of the end away from the flue gas sampling pump (3), the end away from the dedusting box (4) of the metal shaped hose (5) is connected with a sampling air inlet head (7), the top end of the flue gas sampler body (1) is installed with a plurality of flue gas storage tanks (9) on the side away from the flue gas sampling pump (3), the top end of the flue gas sampler body (1) and the side close to the flue gas sampling pump (3) are installed with a vaporization separator (8) adaptively matched with the flue gas storage tank (9), and the air inlet of the vaporization separator (8) is connected with the gas outlet of the flue gas sampling pump (3) through a connecting pipe.

2. A flue gas sampling device according to claim 1, characterised in that: The connection between the metal shaped hose (5) and the dedusting box (4) is provided with a sampling electromagnetic valve (6) adaptively matched with the flue gas storage tank (9), and an exhaust pipe (10) penetrates the top end of the flue gas storage tank (9).

3. A flue gas sampling device according to claim 2, characterised in that: The connection between the flue gas storage tank (9) and the exhaust pipe (10) is provided with an exhaust valve (11), and the top end of the exhaust pipe (10) is connected with a one-way valve (12).

4. A flue gas sampling device according to claim 1, characterised in that: A filter screen (13) is movably installed at the central position of the top end of the dedusting box (4), and a collecting frame (14) is movably installed at the lower position of the front end of the dedusting box (4).

5. A flue gas sampling device according to claim 4, characterised in that: The inside of the dedusting box (4) and between the filter screen (13) and the collecting frame (14) is provided with a landslide, and the end close to the flue gas sampling pump (3) of the landslide is raised.

6. A flue gas sampling device according to claim 5, characterised in that: The front end of the dedusting box (4) is movably installed with elastic fasteners (15) adaptively matched with the collecting frame (14) on both sides, and the front end of the collecting frame (14) is provided with a handle at the central position.

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