CN115753314A - Smoke and dust flue gas test system - Google Patents
Smoke and dust flue gas test system Download PDFInfo
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- CN115753314A CN115753314A CN202211429019.9A CN202211429019A CN115753314A CN 115753314 A CN115753314 A CN 115753314A CN 202211429019 A CN202211429019 A CN 202211429019A CN 115753314 A CN115753314 A CN 115753314A
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Abstract
The invention relates to the technical field of test analyzers, in particular to a smoke and dust flue gas test system which comprises a sampling module, a preprocessing module and an analysis module, wherein the preprocessing module is used for preprocessing gas collected by the sampling module, and the analysis module is used for analyzing smoke and dust flue gas of the preprocessed gas; the pretreatment module comprises a centrifugal chamber and a condensation chamber, wherein a gas guide sheet is arranged in the centrifugal chamber and used for guiding the flowing direction of gas entering the centrifugal chamber and guiding the gas into the condensation chamber; the condensation chamber is used for cooling and condensing moisture in the gas, and sending the condensed gas into the analysis module. This scheme of adoption can cool down and the dewatering gas to avoid the gaseous entering analysis module of humid tropical, cause the influence to lead to detecting the problem that the precision is low and life is short to the instrument.
Description
Technical Field
The invention relates to the technical field of test analyzers, in particular to a smoke and dust flue gas test system.
Background
With the continuous improvement of industrial technology, industrial waste gas is more and more involved in various industries, and the emission of industrial waste gas involves health influence on surrounding personnel and pollution to the atmospheric environment, so that the treatment of industrial waste gas is concerned in various aspects. In order to effectively manage the exhaust emission, the industrial exhaust gas is required to be detected and can be discharged after reaching the corresponding standard, so that the pollution caused by the exhaust emission is reduced. In this process, smoke and dust flue gas detects and is wherein comparatively important detection item, and smoke and dust flue gas detects among the prior art uses special instrument usually, and it includes sampling gun and analysis appearance, sends into the analysis appearance through the waste gas in the sampling gun collection flue and analyzes to learn the concentration of particulate matter and harmful component in the waste gas.
However, in the prior art, smoke detection is generally applied to high-temperature scenes, such as various boilers, industrial furnaces and the like, the temperature of the discharged exhaust gas is high, the humidity is high, the high-temperature and high-humidity gas entering the analyzer easily affects the detection result, and meanwhile, the sensor and elements inside the analyzer are easily damaged.
Disclosure of Invention
The invention aims to provide a smoke and dust smoke testing system to solve the technical problems of low detection precision and short service life of smoke and dust smoke detection of high-temperature and high-humidity gas in the prior art.
The present invention provides the following basic scheme:
a smoke and dust flue gas test system comprises a sampling module, a pretreatment module and an analysis module, wherein the pretreatment module is used for pretreating gas collected by the sampling module, and the analysis module is used for carrying out smoke and dust flue gas analysis on the pretreated gas; the method is characterized in that:
the pretreatment module comprises a centrifugal chamber and a condensation chamber, wherein a gas guide sheet is arranged in the centrifugal chamber and used for guiding the flowing direction of gas entering the centrifugal chamber and guiding the gas into the condensation chamber; the condensation chamber is used for cooling and condensing moisture in the gas and sending the condensed gas into the analysis module.
The beneficial effects of the basic scheme are as follows:
this application improves pretreatment module, set up centrifugal chamber and condensation chamber, through the setting of air guide piece in the centrifugal chamber, lead to the flow direction that gets into gas, get rid of partial moisture through the flow direction of control gas, for example, drive gaseous rotatory centrifugal force that produces through the air guide piece, strike with the inside wall of centrifugal chamber simultaneously, concentrate on the inside wall of centrifugal chamber with the moisture in the gas, get rid of the moisture in the gas with this realization. Meanwhile, the gas subjected to primary water removal enters a condensation chamber, the condensation chamber condenses the gas, and the moisture in the gas is further removed.
The arrangement of a plurality of cavities prolongs the flow path of gas to dispel the heat to gas, and under the condition that the gas temperature reduces, the moisture in the gas condenses more easily, thereby removes the moisture in the gas more effectively. Meanwhile, after the moisture in the gas is removed, the temperature generated by heat dissipation of the gas due to contact of the moisture in the gas after the gas enters the analysis module is reduced. This scheme of adoption gets rid of the moisture in the gas, reduces gas humidity, realizes simultaneously the cooling to gas, avoids the gas of high temperature and high humidity to get into analysis module to avoid high temperature and high humidity gas to cause the influence to the instrument and lead to detecting the problem that the precision is low and life is short.
Further, centrifugal chamber includes first cavity, and in the first cavity was located to the air guide piece, the air guide piece spiral distortion set up, the top and the side of air guide piece were connected with first cavity top and inside wall respectively.
Has the advantages that: the air guide sheet that the spiral distortion set up for gaseous along air guide sheet rotatory flow, thereby produce certain centrifugal force, concentrate the moisture in the gas to the inside wall department that is close to first cavity, gaseous and the inside wall of first cavity bump simultaneously, also can make moisture condense, thereby realize the dewatering to gas.
Further, first cavity includes descending chamber and the rising chamber that gaseous loop through, and the top of first cavity is equipped with the air inlet that supplies gaseous entering descending chamber, and the first transition hole that supplies rising chamber gaseous outflow is seted up on the lateral wall upper portion of first cavity.
Has the advantages that: the air guide sheet divides the first cavity into a descending cavity and an ascending cavity, and prolongs the flow path of air in the first cavity, so that the air is cooled, and the cooled air is more easily condensed to remove moisture. When the gas enters the first chamber, the gas firstly descends from the descending cavity and then ascends and flows out from the ascending cavity. The mode that rises after adopting earlier to descend, centrifugal speed can be relatively very fast in the in-process that descends, consequently gets rid of the gas that humidity is high earlier, makes the gas of getting rid of partly moisture rise again, reduces volatilizing once more to the moisture that condenses to improve the dewatering effect of first cavity.
Furthermore, a water suction cavity is formed in the side wall of the first cavity and communicated with the inside of the first cavity, and a replaceable water suction piece is arranged in the water suction cavity.
Has the advantages that: the intracavity that absorbs water is provided with the piece that absorbs water, absorbs the moisture of centrifugation to first cavity inside wall through the piece that absorbs water, avoids volatilizing once more of condensation moisture to improve the dewatering effect of first cavity.
Furthermore, a plurality of baffles are arranged in the condensation chamber, and the baffles are alternately arranged to prolong the flowing path of the gas.
Has the beneficial effects that: a plurality of baffles set up in turn to the gaseous route that flows is prolonged, realizes the cooling to gas, realizes the condensation of moisture through the cooling, thereby gets rid of the moisture in the gas.
Further, the baffle includes the cooling structure, and the cooling structure includes the inside ventilation hole of seting up of baffle, and the both ends in ventilation hole communicate the lateral wall of condensation cavity respectively, perhaps the inside low temperature piece that sets up of baffle.
Has the beneficial effects that: still can cool down through multiple medium in the condensation chamber, thereby for example the ventilation hole is seted up to baffle inside, thereby drives the air flow through wind-force and dispels the heat with higher speed, for example set up the low temperature spare in the baffle, lead to the low temperature spare and absorb the heat to cool down gas.
Furthermore, the bottom of the condensation chamber is provided with a water absorption layer.
Has the advantages that: the setting on the layer that absorbs water absorbs the moisture that condenses in the condensation chamber, avoids volatilizing once more of condensation moisture to improve condensation chamber's dewatering effect.
Further, the side of baffle is equipped with leads the liquid level, leads the liquid level and is used for carrying out the direction towards the bottom to moisture.
Has the advantages that: the setting of guide liquid level leads the moisture of condensation, makes the moisture of condensation flow to the layer that absorbs water and absorbs, reduces its time with gaseous contact through the direction to reduce the degree that the moisture of condensation volatilizees once more.
Further, the centrifugal chamber further comprises a second chamber, a partition plate is arranged in the second chamber and used for partitioning the second chamber into a storm cavity and a guide cavity, wherein the storm cavity and the guide cavity sequentially pass through gas, a second transition hole which is just opposite to the center of the storm cavity is formed in the center of the partition plate, the cross section area of the storm cavity is sequentially reduced from top to bottom, the storm cavity downwards rotates the gas entering through the first chamber, and the gas ascends along the center to enter the guide cavity at the bottom of the storm cavity.
Has the advantages that: the second chamber is internally provided with a storm cavity and a guide cavity, and the storm cavity enables gas entering the cavity to rotate in the circumferential direction to move downwards by utilizing the shape of the storm cavity and ascend along the center of the cavity at the bottom. In the process, along with the centrifugation of the gas, the particles in the gas move to the periphery of the storm cavity and are guided to the bottom of the second chamber along with the shape of the storm cavity.
Furthermore, the inner side wall of the first chamber is in contact with a first adsorption part, the bottom of the second chamber is provided with a second adsorption part, and the second adsorption part is positioned at the bottom of the storm cavity; the analysis module is used for carrying out particulate matter analysis on the first adsorption part and the second adsorption part after the test is finished.
Has the advantages that: first cavity is when centrifugation moisture, also can make the particulate matter of great particle size move to its inside wall, through the setting of first adsorption component, collects the particulate matter of great particle size. The second adsorption piece is arranged to collect the particles with the middle particle size guided to the bottom in the second chamber. And carrying out particle analysis on the first adsorption part and the second adsorption part through the analysis module, and compensating the analysis of the gas by the analysis module through an analysis result. Meanwhile, the particle sizes of the first adsorption part, the second adsorption part and the final particles in the gas are different from each other in terms of separation easiness, so that the particle sizes of the particles in the gas can be more comprehensively analyzed on the basis of a plurality of analysis results, and a certain optimization suggestion is provided for the subsequent gas treatment.
Drawings
FIG. 1 is a schematic cross-sectional view of a first embodiment of a smoke and dust testing system according to the present invention;
FIG. 2 is a schematic cross-sectional view of a second embodiment of the smoke and fume testing system of the present invention;
FIG. 3 is a front view of a cross-section of a condensing chamber of an embodiment of a soot and smoke testing system of the present invention;
FIG. 4 is a schematic sectional view of a third embodiment of a smoke and dust testing system according to the present invention;
FIG. 5 is a front cross-sectional view of a first chamber of an embodiment of a soot and smoke testing system of the present invention;
FIG. 6 is an enlarged schematic view of the smoke and fume test system of the present invention at A in FIG. 5;
FIG. 7 is a schematic cross-sectional view of a second sealing member in an embodiment of the smoke and dust testing system of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the air-conditioning system comprises a first chamber 1, a condensation chamber 2, an air guide sheet 5, an air inlet 6, a baffle 7, an air outlet 8, a vent hole 9, a water suction cavity 10, a water suction layer 11, a liquid guide surface 12, a second chamber 14, a partition plate 15, a storm cavity 16, a guide cavity 17, a second transition hole 18, a third transition hole 19, a connecting column 20, a first annular ring 21 and a second annular ring 22.
Example one
The utility model provides a smoke and dust flue gas test system, includes sampling module, preprocessing module and analysis module, and sampling module is used for gathering gas, and preprocessing module is used for carrying out the preliminary treatment to the gas that sampling module gathered, and analysis module is used for carrying out smoke and dust flue gas analysis to the gas through preliminary treatment. The sampling module can adopt the existing gas sampling gun, selects a special sampling gun according to different analysis items, places the sampling gun in the flue and collects gas. The sampling module is communicated with the pretreatment module, and the pretreatment module is used for pretreating gas, such as cooling, dewatering and the like. The analysis module is communicated with the pretreatment module, the analysis module can adopt the existing smoke and dust flue gas analyzer host, and the analysis module is used for analyzing the gas passing through the pretreatment module according to the corresponding analysis items, such as smoke and dust analysis, flue gas analysis and the like.
In this embodiment, as shown in fig. 1, the pre-treatment module comprises a centrifugal chamber and a condensation chamber 2 through which the gas passes in sequence. The centrifugal chamber comprises a first chamber 1, the first chamber 1 comprising a descending chamber and an ascending chamber in turn through which the gas passes.
A gas guide plate 5 is arranged in the first chamber 1, and the gas guide plate 5 is used for guiding the flowing direction of the gas entering the centrifugal chamber and guiding the gas into the condensation chamber 2. Air guide plate 5 spiral distortion sets up, and air guide plate 5's top and side are connected with first cavity 1 top and inside wall respectively, and is specific, air guide plate 5 be the slice, and air guide plate 5's top and first cavity 1 inboard top fixed connection, and air guide plate 5's bottom uses the mid point on base as the axle center, uses vertical direction as the axle rotation for air guide plate 5 spiral distortion. The both sides of air guide sheet 5 outwards extend respectively with first cavity 1's inside wall fixed connection, with first cavity 1 divide into about the decline chamber and the chamber that rises that sets up, the bottom intercommunication in decline chamber and the chamber that rises.
The top of first cavity 1 is equipped with the air inlet 6 that supplies gaseous entering decline chamber, and the first transition hole that supplies ascending chamber gaseous outflow is seted up on the lateral wall upper portion of first cavity 1. When carrying out the preliminary treatment to gas, gas inlet 6 passes through the silicone tube intercommunication with sampling module, and gas gets into the decline chamber from gas inlet 6, descends along with air guide 5, gets into the chamber that rises from air guide 5 below again, rises along with air guide 5, flows out from first transition hole at last, accomplishes the preliminary treatment of first chamber 1 to gas from this.
The condensation chamber 2 is used for cooling and condensing moisture in the gas, and sending the condensed gas into the analysis module. A plurality of baffles 7 are arranged in the condensation chamber 2, and the baffles 7 are alternately arranged to extend the path of the gas flow. Specifically, baffle 7 adopts and sets up from top to bottom in turn, and baffle 7 includes upper baffle 7 and lower baffle 7, and upper baffle 7's top and lateral wall respectively with 2 inside top surfaces of condensation chamber and inside wall fixed connection, lower baffle 7's bottom and lateral wall respectively with the inside bottom surface of condensation chamber and inside wall fixed connection, upper baffle 7 and lower baffle 7 cross arrangement, and upper baffle 7 is parallel to each other with lower baffle 7.
And a third transition hole 19 and an air outlet 8 are respectively formed in two side walls of the condensation chamber 2, which are parallel to the baffle 7, and the third transition hole 19 and the air outlet 8 are both positioned on the upper parts of the side walls. The number of baffles 7 is selected according to the positions of the third transition holes 19 and the gas outlet 8, in this embodiment, the number of baffles 7 is a base number, and the number of upper baffles 7 is greater than that of lower baffles 7, as shown in the drawing, the number of baffles 7 is three, so that the number of upper baffles 7 is two, and the number of lower baffles 7 is one, thereby ensuring that gas can flow along the side of each baffle 7, and maximally utilizing the space of the condensation chamber 2 to prolong the flow path of gas. When the gas is pretreated, the gas outlet 8 is communicated with the analysis module through a silicone tube, the gas entering the condensation chamber 2 through the third transition hole 19 is blocked by the baffles 7, flows along the side surfaces of the baffles 7 in sequence, and finally flows out of the gas outlet 8, so that the pretreatment of the gas in the condensation chamber 2 is completed. In this embodiment, the first transition hole and the third transition hole 19 are the same structure, so that the gas pretreated by the first chamber 1 enters the condensation chamber 2 through the first transition hole.
In this embodiment, baffle 7 includes the cooling structure, and the cooling structure includes the inside ventilation hole 9 of seting up of baffle 7, and the both ends in ventilation hole 9 communicate the lateral wall of condensation chamber 2 respectively. Specifically, all seted up ventilation hole 9 on the baffle 7, the both ends of ventilation hole 9 communicate condensation chamber 2's lateral wall respectively, the outside top surface or the bottom surface of condensation chamber 2 that the pore wall intercommunication baffle 7 of ventilation hole 9 is connected, for example the pore wall intercommunication condensation chamber 2 outside top surface of ventilation hole 9 in the overhead gage 7, the pore wall intercommunication condensation chamber 2 outside bottom surface of ventilation hole 9 in the lower baffle 7. The heat dissipation of the gas in the condensation chamber 2 is accelerated by the flow of the outside air.
In other embodiments, the inside low temperature piece that sets up of baffle 7, it is concrete, the cooling chamber has all been seted up to baffle 7 inside, and the cooling chamber intercommunication of each baffle 7 has seted up the replacement hole on the condensation cavity 2, and replacement hole intercommunication cooling chamber. And the low-temperature piece is injected into and discharged from the cooling cavity through the replacing hole, and can be ice water. The low-temperature part absorbs the heat of the gas, and the gas in the condensation chamber 2 is cooled and condensed.
Example two
As shown in fig. 2, the side wall and the bottom of the first chamber 1 are both provided with a water suction cavity 10, the water suction cavity 10 is communicated with the inside of the first chamber 1, and a replaceable water suction member is arranged in the water suction cavity 10. The bottom of the first chamber 1 is provided with a first replacing hole which is communicated with the water suction cavity 10. The bottom of the condensation chamber 2 is provided with a water-absorbing layer 11. Specifically, the hole is changed to the second, and the hole intercommunication condensation chamber 2's inside is changed to the second to the lateral wall of condensation chamber 2, and layer 11 that absorbs water includes a plurality of pieces that absorb water, and the piece that absorbs water is laid in condensation chamber 2 bottom and is formed layer 11 that absorbs water.
The water piece is replaced through the first replacement hole and the second replacement Kong Duixi. Under initial condition, do not be equipped with the piece that absorbs water in chamber 10 and the condensation chamber 2 that absorb water, during the use, change the hole through first change hole and second and will absorb water the piece and put into chamber 10 and the condensation chamber 2 that absorb water, change the sealed lid in hole and second through the setting and change the hole sealed first change hole and second and change the hole at first change hole. After the water absorbing member is placed in the condensation chamber 2, the water absorbing member is laid on the bottom surface inside the condensation chamber 2 by shaking to form a water absorbing layer 11. In this embodiment, the absorbent member is made of allochroic silicone. Whether to change the color-changing silica gel is known through the color-changing silica gel.
As shown in fig. 3, a liquid guiding surface 12 is provided on a side surface of the baffle 7, and the liquid guiding surface 12 guides the moisture toward the bottom. Specifically, the side surface of the baffle 7 is inclined from top to bottom, so that the moisture condensed on the side surface of the baffle 7 can quickly fall to the bottom of the condensation chamber 2 along with the guiding of the liquid guiding surface 12, and is absorbed by the water absorption layer 11. Through the piece that absorbs water and the setting on layer 11 that absorbs water, can absorb the moisture of condensing, avoid the moisture of condensing to volatilize once more to the realization is to the reduction of gas humidity.
EXAMPLE III
As shown in fig. 4, the centrifugal chamber further comprises a second chamber 14, the second chamber 14 is located between the first chamber 1 and the condensation chamber 2, and the gas passes through the first chamber 1, the second chamber 14 and the condensation chamber 2 in sequence.
A partition plate 15 is arranged in the second chamber 14, the partition plate 15 is used for partitioning the second chamber 14 into a storm cavity 16 and a guide cavity 17 through which gas passes in turn, and the storm cavity 16 and the guide cavity 17 are arranged up and down. The center of the partition plate 15 is provided with a second transition hole 18 which is opposite to the center of the storm cavity 16, and the cross-sectional area of the storm cavity 16 is sequentially reduced from top to bottom, namely the storm cavity 16 is funnel-shaped. The storm chamber 16 rotates the gas entering through the first chamber 1 downwards and rises centrally at the bottom of the storm chamber 16 into the guide chamber 17.
The first transition hole communicates the storm cavities 16 of the first and second chambers 1 and 14, and the third transition hole 19 communicates the guide cavity 17 of the second chamber 14 and the condensation chamber 2. In use, gas pre-treated in the first chamber 1 enters the storm chamber 16, rotates downwardly in the direction of the storm chamber 16, rises vertically from the centre of the storm chamber 16, enters the guide chamber 17 through the second transition holes 18 and finally enters the condensation chamber 2 through the third transition holes 19.
Example four
The inner side wall of the first chamber 1 is contacted with a first adsorption part, the bottom of the second chamber 14 is provided with a second adsorption part, and the second adsorption part is positioned at the bottom of the storm cavity 16. Specifically, a vertical strip-shaped socket is formed in the side wall of the first chamber 1, and the first suction piece is inserted into the first chamber 1 through the strip-shaped socket and contacts with the inner side wall of the first chamber 1. Meanwhile, the bottom of the first chamber 1 is provided with another transverse strip-shaped socket, and the first suction piece is inserted into the first chamber 1 through the other strip-shaped socket and is contacted with the bottom surface inside the first chamber 1. The bottom of the second chamber 14 is provided with a transverse collecting port, and the second adsorption member is inserted into the storm cavity 16 through the collecting port and contacts with the bottom of the storm cavity 16. In this embodiment, first absorption spare and second absorption spare are the filter screen, select for use the filter screen of high density to collect the particulate matter.
The analysis module is used for carrying out particulate matter analysis on the first adsorption part and the second adsorption part after the test is finished. Specifically, the analysis module is used for carrying out particulate matter analysis to the first absorption piece after the test and generating a first analysis result, carrying out particulate matter analysis to the second absorption piece after the test and generating a second analysis result, and carrying out particulate matter analysis to the gas that enters through the pretreatment module and generating a third analysis result. During smoke analysis, the analysis module carries out particle analysis on the first adsorption part and the second adsorption part through a weighing measurement method, and the analysis module is further used for compensating a third analysis result according to the first analysis result and the second analysis result. And the detection precision of smoke dust analysis is improved through compensation.
In other embodiments, the analysis module is further used to analyze the first analysis result, the second analysis result and the third analysis result respectively, the particles collected in the first chamber 1 are relatively large in size, large in mass, or easy to separate from the gas, the particles collected in the second chamber 14 are relatively medium in size, medium in mass, or easy to separate from the gas, and the particles collected in the last step entering the analysis module are relatively small in size, small in mass, or not easy to separate from the gas. And generating a gas treatment optimization suggestion by analyzing the first analysis result, the second analysis result and the third analysis result, and providing a certain optimization suggestion for the treatment of subsequent gas based on the difference of particle size, mass and easy separation of particulate matters.
EXAMPLE five
As shown in fig. 5, the pretreatment module is provided with a sealing structure in communication with the outside, specifically, the air inlet 6, the air outlet 8, the strip-shaped insertion port and the collection port are all provided with a sealing structure, the sealing structure comprises a first sealing element and a second sealing element which are matched for use, the first sealing element is arranged on the air inlet 6, the air outlet 8, the strip-shaped insertion port and the collection port, the second sealing element is arranged in a silica gel tube used for communicating the air inlet 6 and the air outlet 8, and the second sealing element is arranged in a silica gel cover used for sealing the strip-shaped insertion port and the collection port.
As shown in fig. 6, the first sealing member includes a connecting column 20, the connecting column 20 is hollow, and one end of the connecting column 20 is fixedly connected with the pretreatment module. The periphery wall cover of spliced pole 20 is established and is connected with a plurality of first annular rings 21, and the inner circle of first annular ring 21 is promptly and spliced pole 20's periphery wall fixed connection, and first annular ring 21 inclines towards pretreatment module all around along the center. As shown in fig. 7, the second sealing member is disposed on the inner wall of the silicone tube or the silicone cap connected to the connecting column 20, the second sealing member includes a plurality of second annular rings 22, the outer ring of the second annular rings 22 is fixedly connected to the inner wall of the silicone tube or the silicone cap, the inclination directions of the second annular rings 22 and the first annular rings 21 are the same, and the included angle between the second annular rings 22 and the horizontal plane is greater than the included angle between the first annular rings 21 and the horizontal plane. The width of the second annular ring 22 decreases in sequence in the direction away from the pretreatment module, and the second annular ring 22 with the smallest width can abut against the bottom of the first annular ring 21 when the first sealing element and the second sealing element are used in cooperation. The number of the first annular ring 21 and the second annular ring 22 is greater than three, the first annular ring 21 and the second annular ring 22 are made of elastic materials, in this embodiment, the number of the first annular ring 21 is four, the number of the second annular ring 22 is three, and the first annular ring 21 and the second annular ring 22 are made of silica gel materials.
Taking the sealed air inlet 6 as an example, the first sealing element is arranged at the air inlet 6, the second sealing element is arranged on the silicone tube communicated with the air inlet 6, during connection, the silicone tube is inserted into the connecting column 20, during connection, the second annular ring 22 is extruded to the lower part of the first annular ring 21, the first annular ring 21 and the second annular ring 22 are crossed and abutted, and connection and sealing of the silicone tube and the connecting column 20 are realized. In the air inlet process, gas impacts the first annular ring 21, and extrusion between the first annular ring 21 and the second annular ring 22 is deepened, so that a better sealing effect is achieved, and gas leakage is avoided.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A smoke and dust flue gas test system comprises a sampling module, a pretreatment module and an analysis module, wherein the pretreatment module is used for pretreating gas collected by the sampling module, and the analysis module is used for carrying out smoke and dust flue gas analysis on the pretreated gas; the method is characterized in that:
the pretreatment module comprises a centrifugal chamber and a condensation chamber, wherein a gas guide sheet is arranged in the centrifugal chamber and used for guiding the flowing direction of gas entering the centrifugal chamber and guiding the gas into the condensation chamber; the condensation chamber is used for cooling and condensing moisture in the gas, and sending the condensed gas into the analysis module.
2. The smoke and dust flue gas test system of claim 1, wherein: the centrifugal chamber comprises a first chamber, the air guide piece is arranged in the first chamber, the air guide piece is spirally twisted, and the top and the side edge of the air guide piece are respectively connected with the top and the inner side wall of the first chamber.
3. The smoke and dust flue gas test system of claim 2, wherein: the first cavity comprises a descending cavity and an ascending cavity, wherein gas sequentially passes through the descending cavity and the ascending cavity, the top of the first cavity is provided with a gas inlet for gas to enter the descending cavity, and the upper part of the side wall of the first cavity is provided with a first transition hole for gas in the ascending cavity to flow out.
4. The smoke and dust flue gas test system of claim 2, wherein: the lateral wall of the first cavity is provided with a water suction cavity which is communicated with the inside of the first cavity, and a replaceable water suction piece is arranged in the water suction cavity.
5. The smoke and dust flue gas test system of claim 1, wherein: a plurality of baffles are arranged in the condensation chamber, and the baffles are alternately arranged to prolong the flowing path of the gas.
6. The smoke and dust flue gas testing system of claim 5, wherein: the baffle includes the cooling structure, and the cooling structure includes the inside ventilation hole of seting up of baffle, and the both ends in ventilation hole communicate the lateral wall of condensation cavity respectively, perhaps the inside low temperature piece that sets up of baffle.
7. The smoke and dust flue gas testing system of claim 5, wherein: the bottom of the condensation chamber is provided with a water absorption layer.
8. The smoke and dust flue gas testing system of claim 7, wherein: the side of baffle is equipped with leads the liquid level, leads the liquid level and is used for carrying out the direction towards the bottom to moisture.
9. The smoke and dust flue gas test system of claim 2, wherein: the centrifugal chamber further comprises a second chamber, a partition plate is arranged in the second chamber and used for partitioning the second chamber into a storm cavity and a guide cavity, wherein the storm cavity and the guide cavity sequentially pass through gas, a second transition hole which is just opposite to the center of the storm cavity is formed in the center of the partition plate, the cross section area of the storm cavity is sequentially reduced from top to bottom, the storm cavity rotates downwards to gas entering through the first chamber, and the gas enters the guide cavity along the center of the bottom of the storm cavity in an ascending mode.
10. The smoke and dust flue gas testing system of claim 9, wherein: the inner side wall of the first chamber is in contact with a first adsorption part, the bottom of the second chamber is provided with a second adsorption part, and the second adsorption part is positioned at the bottom of the storm cavity; the analysis module is used for carrying out particulate matter analysis on the first adsorption part and the second adsorption part after the test is finished.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211429019.9A CN115753314A (en) | 2022-11-15 | 2022-11-15 | Smoke and dust flue gas test system |
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| CN202211429019.9A CN115753314A (en) | 2022-11-15 | 2022-11-15 | Smoke and dust flue gas test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380741A (en) * | 2023-06-05 | 2023-07-04 | 湖北圣信特种设备检测有限公司 | Device and method for detecting components of combustion flue gas of boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380741A (en) * | 2023-06-05 | 2023-07-04 | 湖北圣信特种设备检测有限公司 | Device and method for detecting components of combustion flue gas of boiler |
| CN116380741B (en) * | 2023-06-05 | 2023-08-25 | 湖北圣信特种设备检测有限公司 | Device and method for detecting components of combustion flue gas of boiler |
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