CN112268292A - Flue gas preprocessing device for environmental detection - Google Patents

Flue gas preprocessing device for environmental detection Download PDF

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Publication number
CN112268292A
CN112268292A CN202011152681.5A CN202011152681A CN112268292A CN 112268292 A CN112268292 A CN 112268292A CN 202011152681 A CN202011152681 A CN 202011152681A CN 112268292 A CN112268292 A CN 112268292A
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CN
China
Prior art keywords
flue gas
smoke
detection
fixedly connected
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011152681.5A
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Chinese (zh)
Inventor
黄石桥
陈秀娟
蒋业泓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Hengbiao Testing Technology Co ltd
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Hunan Hengbiao Testing Technology Co ltd
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Filing date
Publication date
Application filed by Hunan Hengbiao Testing Technology Co ltd filed Critical Hunan Hengbiao Testing Technology Co ltd
Priority to CN202011152681.5A priority Critical patent/CN112268292A/en
Publication of CN112268292A publication Critical patent/CN112268292A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
    • G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention discloses a flue gas pretreatment device for environmental detection, which comprises a detection cylinder and a flue gas inlet mechanism, wherein the flue gas inlet mechanism is communicated with the detection cylinder, the upper surface of the detection cylinder is fixedly connected with a flue gas analyzer, one side of the flue gas analyzer is fixedly provided with a detection probe, the detection probe is positioned in the detection cylinder, the upper surface of the detection cylinder is fixedly connected with a controller, the controller is electrically connected with the flue gas analyzer, the outer wall of the top of the detection cylinder is fixedly connected with a fixed pipe, one end of the fixed pipe is fixedly connected with a flue gas outlet pipe, one side of the flue gas outlet pipe is provided with a valve controller, the valve controller is electrically connected with the controller, and the bottom of the circumferential inner wall of the detection cylinder is fixedly connected with a first filter screen. The invention can filter out solid particles containing impurities in the flue gas, pretreats the flue gas, improves the flue gas treatment effect, solves the problem of insufficient flue gas treatment degree caused by poor sealing property, and improves the emission efficiency of the flue gas.

Description

Flue gas preprocessing device for environmental detection
Technical Field
The invention relates to the technical field of flue gas pretreatment, in particular to a flue gas pretreatment device for environment detection.
Background
The flue gas that discharges such as thermal power factory, chemical plant and cement plant is one of the important sources of atmospheric pollutants, its emission and discharge gas composition need receive environmental protection department and strictly monitor, the kind of the flue gas that discharges, concentration, total amount isoparametric need obtain through various flue gas analytic system measurements, but the flue gas of direct emission contains a large amount of dusts usually, moisture etc. can cause harm such as corruption, jam to the measuring instrument, consequently need carry out the preliminary treatment to the flue gas that discharges before using the measuring instrument to detect, consequently can use flue gas preprocessing device.
At present, most of the existing flue gas pretreatment devices for environment detection have the following defects: the leakproofness is poor, and is not enough to the flue gas treatment degree, influences flue gas exhaust operating efficiency, and to sum up, current flue gas preprocessing device for environmental detection still can not agree with actual need well mostly.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a flue gas pretreatment device for environment detection.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a flue gas preprocessing device for environmental detection, includes a detection section of thick bamboo and advances cigarette mechanism, advances cigarette mechanism and is linked together with a detection section of thick bamboo, the last fixed surface of a detection section of thick bamboo is connected with flue gas analyzer, and one side of flue gas analyzer is fixed with test probe, and test probe is located a detection section of thick bamboo, the last fixed surface of a detection section of thick bamboo is connected with the controller, controller and flue gas analyzer electric connection, the fixed pipe of top outer wall fixedly connected with of a detection section of thick bamboo, the one end fixedly connected with play tobacco pipe of fixed pipe, one side of going out the tobacco pipe are equipped with valve controller, valve controller and controller electric connection, the first filter screen of bottom fixedly connected with of detection section of thick bamboo circumference inner wall, the top fixedly connected with second filter screen of detection section of thick bamboo circumference inner wall, and the.
Furthermore, the smoke inlet mechanism comprises a smoke inlet pipe and a connecting cylinder, and one end of the smoke inlet pipe is fixedly connected with one end of the connecting cylinder.
On the basis of the scheme, the other end of the connecting cylinder is fixedly connected with a smoke passing tube, the other end of the smoke passing tube is provided with an anti-skidding cylinder, the other end of the anti-skidding cylinder is provided with a connecting pipe, and the other end of the connecting pipe is communicated with the detection cylinder.
As a further scheme of the invention, the circumferential outer wall of the connecting pipe is provided with a fixing ring, the circumferential outer wall of the fixing ring is provided with a connecting frame, one side of the connecting frame and one end of the smoke passing pipe are respectively provided with a fixing hole, a fixing screw is arranged in the fixing hole, and two ends of the fixing screw are respectively provided with an anti-skid pad.
On the basis of the scheme, a supporting plate is welded on one side of the connecting frame, a supporting frame is fixedly connected to the bottom of the supporting plate, and a water tank is installed on one side of the supporting frame.
As a further scheme of the invention, the top of the supporting plate, the bottom of the detection cylinder and the top of the water tank are all provided with dust removal ports, the bottom of the water tank is fixedly connected with a sewage discharge pipe, and the other end of the sewage discharge pipe is provided with a sewage discharge cover.
Furthermore, the circumference outer wall of advancing tobacco pipe and crossing the tobacco pipe still is equipped with the inoxidizing coating, and one side of inoxidizing coating is equipped with the clamp.
As a further scheme of the invention, the top of the supporting plate is also fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a fan, and one end of an air outlet of the fan is communicated with the detection cylinder.
The invention has the beneficial effects that:
1. according to the invention, through the arrangement of the first filter screen and the second filter screen, the smoke firstly passes through the first filter screen to filter large particles containing impurities in the smoke, and then passes through the second filter screen to filter smoke dust and small particles containing impurities in the smoke, so that the smoke is pretreated, and the smoke treatment effect is improved.
2. According to the invention, through the arrangement of the flue gas analyzer and the valve controller, the flue gas analyzer detects the flue gas entering the detection cylinder, then the detected information is transmitted to the controller for processing, and when the flue gas in the treatment cylinder reaches the emission standard, the processor controls the valve controller to be opened, so that the flue gas is exhausted from the smoke exhaust pipe, the problem of insufficient flue gas treatment degree caused by poor sealing property is solved, and the emission efficiency of the flue gas is improved.
3. According to the invention, the fan blows air into the detection cylinder, so that solid particles adhered to the bottoms of the first filter screen and the second filter screen can be blown down, and the blockage of meshes caused by accumulation of the solid particles is prevented, and the treatment efficiency of smoke is influenced.
4. According to the invention, the arrangement that the protective layers are added on the outer surfaces of the smoke inlet pipe and the smoke passing pipe can achieve a good heat insulation effect, so that workers are prevented from being scalded, and the safety of a working environment is improved.
Drawings
FIG. 1 is a schematic partial sectional view of an embodiment 1 of a flue gas pretreatment device for environmental detection according to the present invention;
FIG. 2 is a schematic side view of an embodiment 1 of a flue gas pretreatment device for environmental detection according to the present invention;
FIG. 3 is a schematic perspective view of an embodiment 1 of a flue gas pretreatment device for environmental detection according to the present invention;
fig. 4 is a schematic perspective view of an embodiment 2 of a flue gas pretreatment device for environmental detection according to the present invention.
In the figure: 1. a smoke inlet pipe; 2. a connecting cylinder; 3. a smoke passing pipe; 4. a set screw; 5. a non-slip mat; 6. a connecting frame; 7. a fixing ring; 8. a connecting pipe; 9. an anti-slip cylinder; 10. a detection cylinder; 11. a support plate; 12. a support frame; 13. a water tank; 14. a fixed tube; 15. discharging the smoke tube; 16. a first filter screen; 17. a second filter screen; 18. a flue gas analyzer; 19. a valve controller; 20. a controller; 21. a fixed mount; 22. a fan; 23. a protective layer; 24. and (5) clamping a hoop.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, a flue gas pretreatment device for environmental detection comprises a detection cylinder 10 and a flue gas inlet mechanism, wherein the flue gas inlet mechanism is communicated with the detection cylinder 10, a flue gas analyzer 18 is fixed on the upper surface of the detection cylinder 10 through bolts, a detection probe is fixed on one side of the flue gas analyzer 18 and is positioned in the detection cylinder 10, the detection probe of the flue gas analyzer 18 collects flue gas information in the detection cylinder 10 and transmits the information to the flue gas analyzer 18 for analysis, a controller 20 is fixed on the upper surface of the detection cylinder 10 through bolts, the controller 20 is of a DATA-7311 type and transmits the information to a controller 20 for processing, the controller 20 is electrically connected with the flue gas analyzer 18, a fixed pipe 14 is fixed on the outer wall of the top of the detection cylinder 10 through bolts, a flue gas outlet pipe 15 is fixed on one end of the fixed pipe 14 through bolts, a valve controller 19 is arranged on one side of the flue gas outlet pipe 15, when the detected smoke meets the emission standard, the controller 20 controls the valve controller 19 to open so as to discharge the smoke, the valve controller 19 is electrically connected with the controller 20, the bottom of the circumferential inner wall of the detection cylinder 10 is fixedly provided with a first filter screen 16 through bolts, the first filter screen 16 filters large solid particle matters containing impurities in the smoke, the top of the circumferential inner wall of the detection cylinder 10 is fixedly provided with a second filter screen 17 through bolts, when the smoke drifts to the top of the detection cylinder 10, the second filter screen 17 filters small fixed particle matters containing impurities in the smoke, the mesh holes of the second filter screen 17 are smaller than the mesh holes of the first filter screen 16, wherein the smoke analyzer 18 detects the smoke entering the detection cylinder 10, then the detected information is transmitted to the controller 20 for processing, when the smoke in the treatment cylinder reaches the emission standard, the processor 20 controls the valve controller 19 to open, therefore, the flue gas is exhausted from the smoke outlet pipe 15, the problem that the poor sealing performance causes insufficient flue gas treatment degree is solved, and the emission efficiency of the flue gas is improved.
The smoke inlet mechanism comprises a smoke inlet pipe 1 and a connecting cylinder 2, firstly, the smoke inlet pipe 1 is communicated with an external pipeline, one end of the smoke inlet pipe 1 is fixedly connected with one end of the connecting cylinder 2, smoke enters the connecting cylinder 2 along the inner wall of the smoke inlet pipe 1, the other end of the connecting cylinder 2 is fixedly provided with a smoke passing pipe 3 through a bolt and then enters the smoke passing pipe 3 from the connecting cylinder 2, the other end of the smoke passing pipe 3 is inserted with an anti-slip cylinder 9, then, the smoke enters the anti-slip cylinder 9, the other end of the anti-slip cylinder 9 is sleeved with a connecting pipe 8, then, the smoke enters the connecting pipe 8, the other end of the connecting pipe 8 is communicated with a detection cylinder 10, finally, the smoke enters the detection cylinder 10, the smoke firstly filters large particles containing impurities in the smoke through a first filter screen 16 after entering the detection cylinder 10, and then filters smoke dust and small particles containing impurities in the smoke through a second filter screen 17, thereby facilitating the later-stage, the effect of treating the flue gas is improved, a fixing ring 7 is sleeved on the circumferential outer wall of a connecting pipe 8, a connecting frame 6 is sleeved on the circumferential outer wall of the fixing ring 7, fixing holes are respectively formed in one side of the connecting frame 6 and one end of a smoke passing pipe 3, fixing screws 4 are arranged in the fixing holes, the fixing screws 4 are placed in the fixing holes and screwed down, the smoke passing pipe 3 and the connecting pipe 8 are fixed together, anti-skidding pads 5 are respectively sleeved at two ends of the fixing screws 4, a supporting plate 11 is welded on one side of the connecting frame 6, a supporting frame 12 is fixed at the bottom of the supporting plate 11 through bolts, a water tank 13 is installed on one side of the supporting frame 12, dust removing openings are formed in the top of the supporting plate 11, the bottom of a detection cylinder 10 and the top of the water tank 13, solid particles filtered by a first filter screen 16 and a second filter screen 17 fall into the water tank 13 for collection, the other end of the blow-off pipe is provided with a blow-off cover, and the blow-off cover is opened to discharge sewage and fixed particles through the blow-off pipe.
The working principle of the embodiment is as follows: when the smoke needs to be pretreated, a worker firstly communicates the smoke inlet pipe 1 with an external pipeline to facilitate the smoke to enter the smoke pretreatment device, the smoke generated in industrial production firstly enters the smoke inlet pipe 1, then the smoke climbs along the inner wall of the smoke inlet pipe 1 to enter the connecting cylinder 2, the smoke gradually rises from the inner circumferential wall in the connecting cylinder 2 to the smoke passing pipe 3, then the smoke enters the anti-slip cylinder 9, then the smoke enters the connecting pipe 8, finally the smoke enters the detection cylinder 10, when the smoke just enters the detection cylinder 10, large solid particles containing impurities in the smoke are filtered by the first filter screen 16, then the smoke continuously rises upwards, when the smoke drifts to the top of the detection cylinder 10, small fixed particles containing impurities in the smoke are filtered by the second filter screen 17, and the mass of single particle of the filtered particles is too light, therefore, the smoke gas will adhere to the bottom of the first filter screen 16 and the second filter screen 17, the volume of the particulate matters increases with the accumulation of the particulate matters, and finally, the smoke gas falls into the water tank 13 from the dust removal port under the gravity of the particulate matters to be collected, then, the detection probe of the smoke gas analyzer 18 collects the smoke gas information in the detection cylinder 10, then, the information is transmitted to the smoke gas analyzer 18 to be analyzed, then, the information is transmitted to the controller 20 to be processed, when the detected smoke gas meets the emission standard, the controller 20 controls the valve controller 19 to be opened, and the smoke gas is discharged from the smoke outlet pipe 15 along the fixed pipe 14.
Example 2
Referring to fig. 4, a flue gas preprocessing device for environmental detection, the circumference outer wall of advancing tobacco pipe 1 and crossing tobacco pipe 3 still is equipped with the inoxidizing coating 23, the setting that adds inoxidizing coating 23 through advancing tobacco pipe 1 and crossing the surface of tobacco pipe 3 can play fine thermal-insulated effect, prevent that the staff from being scalded, the security of operational environment has been improved, one side of inoxidizing coating 23 is equipped with clamp 24, the top of backup pad 11 still has mount 21 through the bolt fastening, the top of mount 21 has fan 22 through the bolt fastening, fan 22's air outlet one end is linked together with detection section of thick bamboo 10, wherein, the setting of blowing in to detection section of thick bamboo 10 through fan 22 can blow off the solid particle thing adhesion in first filter screen 16 and second filter screen 17 bottom, prevent that the solid from piling up the jam that causes the mesh, influence the treatment effeciency of flue gas.
The working principle of the embodiment is as follows: when in use, firstly, the smoke enters the connecting cylinder 2 from the smoke inlet pipe 1, then enters the smoke passing pipe 3 from the connecting cylinder 2, then enters the antiskid cylinder 9 from the smoke passing pipe 3, then enters the connecting pipe 8 from the antiskid cylinder 9, and finally enters the detection cylinder 10 from the connecting pipe 8, after the smoke enters the detection cylinder 10, large particles containing impurities in the smoke are filtered by the first filter screen 16, small particles containing impurities in the smoke are filtered by the second filter screen 17, and the particles are filtered by the second filter screen 17, so that the particles can be adhered to the bottoms of the first filter screen 16 and the second filter screen 17 due to the fact that the single particle is too light in mass, the particles are larger and larger along with the accumulation of the particles in the embodiment 1, and finally, the fan 22 is added in the embodiment 2 when the self gravity of the particles falls down, the falling of the particles is accelerated, the fan 22 is started, under the action of the fan 22, the outer air enters the fan 22 from the air inlet of the fan 22, and then blows towards the first filter screen 16 and the second filter screen 17 from the air outlet of the fan 22, so that the solid particles adhered to the bottoms of the first filter screen 16 and the second filter screen 17 are blown down to prevent the solid particles from blocking the meshes of the first filter screen 16 and the second filter screen 17, and then the outer surfaces of the smoke inlet pipe 1 and the smoke passing pipe 3 are wrapped with a protective layer 23 to prevent workers from being scalded, and the protective layer 23 is fixed on the outer surfaces of the smoke inlet pipe 1 and the smoke passing pipe 3 by the design of the clamp 24.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. .
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Claims (8)

1. The flue gas pretreatment device for the environmental detection comprises a detection cylinder (10) and a smoke inlet mechanism, wherein the smoke inlet mechanism is communicated with the detection cylinder (10), the smoke inlet mechanism is characterized in that the upper surface of the detection cylinder (10) is fixedly connected with a flue gas analyzer (18), one side of the flue gas analyzer (18) is fixed with a detection probe, the detection probe is positioned in the detection cylinder (10), the upper surface of the detection cylinder (10) is fixedly connected with a controller (20), the controller (20) is electrically connected with the flue gas analyzer (18), the top outer wall of the detection cylinder (10) is fixedly connected with a fixed pipe (14), one end of the fixed pipe (14) is fixedly connected with a smoke outlet pipe (15), one side of the smoke outlet pipe (15) is provided with a valve controller (19), the valve controller (19) is electrically connected with the controller (20), the bottom of the circumferential inner wall of the detection cylinder (10) is fixedly connected with a first filter screen (16), the top of the circumferential inner wall of the detection cylinder (10) is fixedly connected with a second filter screen (17), and the meshes of the second filter screen (17) are smaller than those of the first filter screen (16).
2. The smoke pretreatment device for environment detection according to claim 1, wherein the smoke inlet mechanism comprises a smoke inlet pipe (1) and a connecting cylinder (2), and one end of the smoke inlet pipe (1) is fixedly connected with one end of the connecting cylinder (2).
3. The flue gas pretreatment device for environment detection according to claim 2, wherein the other end of the connection cylinder (2) is fixedly connected with a smoke passing tube (3), the other end of the smoke passing tube (3) is provided with an anti-slip cylinder (9), the other end of the anti-slip cylinder (9) is provided with a connection tube (8), and the other end of the connection tube (8) is communicated with the detection cylinder (10).
4. The flue gas pretreatment device for environmental detection according to claim 3, wherein a fixing ring (7) is arranged on the outer circumferential wall of the connecting pipe (8), a connecting frame (6) is arranged on the outer circumferential wall of the fixing ring (7), fixing holes are respectively formed in one side of the connecting frame (6) and one end of the smoke passing pipe (3), fixing screws (4) are arranged in the fixing holes, and anti-skid pads (5) are respectively arranged at two ends of the fixing screws (4).
5. The flue gas pretreatment device for environment detection according to claim 4, wherein a support plate (11) is welded on one side of the connection frame (6), a support frame (12) is fixedly connected to the bottom of the support plate (11), and a water tank (13) is installed on one side of the support frame (12).
6. The flue gas pretreatment device for environment detection as claimed in claim 5, wherein the top of the support plate (11), the bottom of the detection cylinder (10) and the top of the water tank (13) are all provided with dust removal ports, the bottom of the water tank (13) is fixedly connected with a sewage discharge pipe, and the other end of the sewage discharge pipe is provided with a sewage discharge cover.
7. The smoke pretreatment device for environmental monitoring as claimed in claim 1, wherein the circumferential outer walls of the smoke inlet pipe (1) and the smoke passing pipe (3) are further provided with a protective layer (23), and one side of the protective layer (23) is provided with a clamp (24).
8. The flue gas pretreatment device for environment detection as recited in claim 5, wherein a fixing frame (21) is further fixedly connected to the top of the support plate (11), a fan (22) is fixedly connected to the top of the fixing frame (21), and one end of an air outlet of the fan (22) is communicated with the detection cylinder (10).
CN202011152681.5A 2020-10-26 2020-10-26 Flue gas preprocessing device for environmental detection Pending CN112268292A (en)

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CN113532963A (en) * 2021-08-25 2021-10-22 安邦电气股份有限公司 Flue gas sampling composite pipe

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CN211450985U (en) * 2019-11-28 2020-09-08 上海茜昆实业发展有限公司 Flue gas waste heat utilization device of hot blast stove

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