CN112057962A - A leading filter for flue gas analysis - Google Patents
A leading filter for flue gas analysis Download PDFInfo
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- CN112057962A CN112057962A CN202010971005.4A CN202010971005A CN112057962A CN 112057962 A CN112057962 A CN 112057962A CN 202010971005 A CN202010971005 A CN 202010971005A CN 112057962 A CN112057962 A CN 112057962A
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- Prior art keywords
- filter
- rod
- lining
- flue gas
- case
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- 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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- 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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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- 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
- G01N33/0011—Sample conditioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a pre-filter for flue gas analysis, belonging to the technical field of flue gas analysis, comprising a case, wherein the inner wall of the case is welded with a lining rod A and a lining rod B, and the lining rod A and the lining rod B are welded into an inner support frame body in the case, a middle rod is welded at the middle part of the inner support frame body formed by welding the lining rod A and the lining rod B, an X-shaped supporting rod is welded between the lining rod A and the lining rod B on the two sides of the middle rod, a through hole A is formed in one side of the outer wall of the case, an air inlet pipeline of the three-way pipe A extends out of the through hole A, an inner support frame body is formed by welding an inner lining rod A and an inner lining rod B in the machine box, a middle rod is arranged in the middle of the inner support frame body for supporting, meanwhile, an X-shaped supporting rod is welded between the lining rod A and the lining rod B on two sides of the middle rod, a reinforced supporting structure is provided for the inside of the case through welding of the multiple groups of rod bodies, and the internal structural reinforcement of the case is realized.
Description
Technical Field
The invention relates to the technical field of flue gas analysis, in particular to a pre-filter for flue gas analysis.
Background
The flue gas analyzer is a device for continuously analyzing and measuring the content of flue gas such as CO2, CO, NOx, SO2 and the like by utilizing an electrochemical sensor. The device is mainly used for environment monitoring and handholding near the pollution emission or pollution source of small-sized oil and gas boilers. According to the using mode, the smoke analyzer can be divided into a handheld smoke analyzer and a fixed connection line recording smoke analyzer.
1. The front end of the smoke analysis equipment in the prior art is provided with a front filter for filtering dust in smoke, an effective supporting structure is lacked inside a case of the filter, the case is easy to deform when the case is impacted externally, and a filtering pipeline inside the case is easy to damage by impact.
2. The front end of flue gas analysis equipment in the prior art is provided with a pre-filter, and when the filter is used for a long time, a filter element in the filter needs to be replaced, and when the pre-filter is replaced, the flue gas analysis equipment needs to be stopped and replaced, so that the running efficiency of the flue gas analysis equipment is influenced, and therefore the pre-filter for flue gas analysis is provided.
3. The flue gas analysis equipment front end of prior art is provided with leading filter, and this kind of filter is inside to be provided with simple filter core and filters, and this kind of filter core uses screw locking to be fixed in the inside of rose box mostly, and the filter core in the rose box just can be dismantled to the screw that needs to be dismantled when it is changed to influence the change efficiency of the inside filter core of filter, for this reason, we propose a leading filter for flue gas analysis.
Disclosure of Invention
The invention provides a pre-filter for flue gas analysis, wherein a lining rod A and a lining rod B are welded in a case to form an inner support frame body, the middle part of the inner support frame body is provided with a middle rod for supporting, an X-shaped support rod is welded between the lining rod A and the lining rod B on two sides of the middle rod, a reinforced supporting structure is provided for the interior of the case by welding a plurality of groups of rod bodies, the internal structure of the case is reinforced, through holes A and B are respectively arranged at two ends of the case, a pipeline at one side of a three-way pipe A and a pipeline at one side of the three-way pipe B respectively extend out of the through holes A and the through holes B, an air valve A is arranged between the middle connecting pipe A and an access pipeline of a filter case A at the rear part of the filter case A, an outlet pipeline at the rear part of the filter case A and a pipeline structure at one side of the three-way pipe B through an external connecting pipe A, and an air valve B is, the outlet pipeline of the filter box B is connected with the pipeline behind the three-way pipe B through the external connecting pipe B, the air valve A can be opened when a pre-filter of the flue gas analysis equipment is normally used, flue gas enters the filter box A at one side of the air valve A through the three-way pipe A and is filtered by the filter element, when the filter element in the filter box A needs to be replaced, the air valve A is closed, the air valve B is opened, the flue gas can be filtered by the filter element in the filter box B behind the air valve B, the filter structure capable of being actively opened and closed is adopted by two pieces, the filter material of the pre-filter of the flue gas analysis equipment is replaced without stopping the machine, the filter box A and the filter box B with the same structure are arranged, after the box cover is embedded and installed above the filter box A, the inner clamping platform B is clamped with the inner clamping platform A of the filter box A below the box cover, when the filter element is replaced, the screw between the box cover and the, alright directly take out the filter core from interior ka tai A and change to there is the rubber buckle to close fixedly with the inside card platform completion of filter box A in case lid bottom, makes case lid and filter box A gomphosis inseparable, and the filter box B that is the same with filter box A structure in the same way also can carry out the change of filter core according to this kind of mode.
The specific technical scheme provided by the invention is as follows:
the invention provides a pre-filter for flue gas analysis, which comprises a case, wherein an inner lining rod A and an inner lining rod B are welded on the inner wall of the case, the inner lining rod A and the inner lining rod B are welded in the case to form an inner support frame body, a middle rod is welded in the middle of the inner support frame body formed by welding the inner lining rod A and the inner lining rod B, an X-shaped support rod is welded between the inner lining rod A and the inner lining rod B on two sides of the middle rod, a through hole A is formed in one side of the outer wall of the case, an air inlet pipeline of a three-way pipe A extends out of the through hole A, a middle connecting pipe A and a middle connecting pipe B are respectively installed at two side pipe bodies behind the three-way pipe A, an air valve A is installed at the rear end of the connecting pipe of the middle connecting pipe A, an access pipeline of a filter case A is installed at the tail end of the air valve A, an outer connecting pipe A is communicated with the outer, the front end pipeline of the three-way pipe B extends out of the orifice of the through hole B, the through hole B is arranged at one side of the outer wall of the case, the other side pipeline of the rear end of the three-way pipe B is communicated and connected with an external pipe B, and one side of the external connecting pipe B is communicated with a connecting pipe of the filter box B, the other side of the filter box B is connected with the outer side of the connecting pipe and is provided with an air valve B, and the air inlet of the air valve B is provided with a rear end pipe body of a middle connecting pipe B, the box body structures of the filter box A and the filter box B are the same, a box cover is embedded at the top end of the box body of the filter box A, a rubber buckle is arranged below the box cover to hook a clamping table in the filter box A, a screw is screwed between the box cover and the filter box A, an inner clamping platform B extends below the box cover, and the bottom end of the inner wall of the filter box A below the inner clamping platform B is vertically fixed with the inner clamping platform A, the middle parts of the inner clamping platform A and the inner clamping platform B are provided with clamping grooves, and a filter element is embedded between the middle clamping grooves of the inner clamping platform A and the inner clamping platform B.
Optionally, the outer wall of the case is coated with a metal antirust paint.
Optionally, the lining rod a, the lining rod B, X-shaped supporting rod and the middle rod are made of aluminum rod bodies.
Optionally, three sets of filter elements are arranged inside the filter box A and the filter box B.
Optionally, a rubber ring is connected between the filter box A and the box cover.
Optionally, the table bodies of the inner clamping table a and the inner clamping table B are U-shaped table bodies.
Optionally, a handle is welded to the top end of the box cover.
Optionally, an arc-shaped plate is welded between the lining rod a and the inner wall of the chassis.
Optionally, the filter box A and the filter box B are made of aluminum alloy materials.
Optionally, five groups of lining rods a and two groups of lining rods B are vertically welded in the case.
The invention has the following beneficial effects:
1. according to the invention, the lining rod A and the lining rod B are welded in the case to form the inner support frame body, the middle part of the inner support frame body is provided with the middle rod for supporting, and the X-shaped support rod is welded between the lining rod A and the lining rod B on the two sides of the middle rod.
2. The invention is characterized in that through holes A and B are respectively arranged at two ends of a case, a pipeline at one side of a three-way pipe A and a pipeline at one side of the three-way pipe B respectively extend out of the through holes A and the through holes B, an air valve A is arranged between a middle connecting pipe A arranged at the rear part of the three-way pipe A and an access pipeline of a filter box A, an outlet pipeline at the rear part of the filter box A is connected with a pipeline at one side of the three-way pipe B through an external connecting pipe A, an air valve B is arranged between the middle connecting pipe B at the rear part of the three-way pipe A and the access pipeline of the filter box B, the outlet pipeline of the filter box B is connected with the pipeline at the rear part of the three-way pipe B through the external connecting pipe B, a pre-arranged filter of a flue gas analysis device can be opened when in normal use, flue gas enters the filter box A at one side of the air valve A through the three-way pipe A and is filtered by dust through a filter element, when the, through the filter structure of two can initiative switches, realize the change of not shutting down of leading filter media of flue gas analysis equipment, solved the problem that the leading filter of current flue gas analysis equipment need shut down just can change the filter core.
3. According to the invention, the filter box A and the filter box B with the same structure are arranged, after the box cover is embedded and installed above the filter box A, the inner clamping table B is arranged below the box cover and is clamped with the filter element of the inner clamping table A of the filter box A, when the filter element is replaced, the screw between the box cover and the filter box A is firstly disassembled, then the box cover is upwards pulled out, the filter element can be directly taken out from the inner clamping table A for replacement, and the rubber buckle arranged at the bottom end of the box cover is hooked and fixed with the clamping table in the filter box A, so that the box cover is tightly embedded with the filter box A, and the filter box B with the same structure as the filter box A can also be replaced according to the mode, and the problem that the filter element of the preposed filter of the existing flue gas analysis equipment is.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a pre-filter for flue gas analysis according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a filter box of a pre-filter for flue gas analysis according to an embodiment of the present invention. In the figure: 1. a chassis; 2. a lining rod A; 3. a lining rod B; 4. an X-shaped strut; 5. a middle rod; 6. a through hole A; 7. a three-way pipe A; 8. a middle connecting pipe A; 9. a middle connecting pipe B; 10. an air valve A; 11. a filter box A; 12. an external connecting pipe A; 13. a three-way pipe B; 14. a through hole B; 15. an air valve B; 16. a filter box B; 17. an external connecting pipe B; 18. a box cover; 19. a rubber ring; 20. a rubber buckle; 21. an inner clamping table A; 22. an inner clamping table B; 23. and (3) a filter element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A prefilter for flue gas analysis according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 and 2, a pre-filter for flue gas analysis according to an embodiment of the present invention includes a chassis 1, an inner lining rod a2 and an inner lining rod B3 are welded to an inner wall of the chassis 1, an inner lining rod a2 and an inner lining rod B3 are welded in the chassis 1 to form an inner support frame, a middle rod 5 is welded to a middle portion of the inner support frame formed by welding the inner lining rod a2 and the inner lining rod B3, an X-shaped support rod 4 is welded between the inner lining rod a2 and the inner lining rod B3 on both sides of the middle rod 5, a through hole A6 is formed on one side of an outer wall of the chassis 1, an air inlet pipe of a tee pipe A7 extends from the through hole A6, a middle connection pipe A8 and a middle connection pipe B9 are respectively installed at two sides behind the tee pipe A7, an air valve a10 is installed at a rear end of a pipe of the middle pipe A8, an air valve 73742 is installed at a tail end of the filter box a11 and an air valve 12 is connected to an outer connection pipe connected to, the external pipe A12 is connected with a pipeline on one side of the rear end of a three-way pipe B13 in a communicating manner, the pipeline on the front end of the three-way pipe B13 extends out of an orifice of a through hole B14, the through hole B14 is arranged on one side of the outer wall of the case 1, a pipeline on the other side of the rear end of the three-way pipe B13 is connected with an external pipe B17 in a communicating manner, one side of the external pipe B17 is connected with a connecting and discharging pipeline of a filter box B16 in a communicating manner, an air valve B15 is installed on the outer side of the connecting and discharging pipeline on the other side of the filter box B16, a rear end pipe body of a middle connecting pipe B9 is installed at an air inlet of an air valve B15, the filter box A11 and the filter box B16 are identical in structure, a case cover 18 is embedded in the top end of the filter box A11, a rubber buckle 20 is arranged below the case cover 18 to hook a clamping table inside the case cover 11, a screw is screwed between the case cover 18 and the filter box A11, an inner clamping table B22 is, the middle parts of the inner clamping platform A21 and the inner clamping platform B22 are provided with clamping grooves, and a filter element 23 is embedded between the middle clamping grooves of the inner clamping platform A21 and the inner clamping platform B22.
For example, an inner lining rod A2 and an inner lining rod B3 are welded in the case 1 to form an inner support frame body, a middle rod 5 is arranged in the middle of the inner support frame body for supporting, an X-shaped support rod 4 is welded between the inner lining rod A2 and the inner lining rod B3 on two sides of the middle rod 5, a reinforced support structure is provided for the inside of the case 1 through welding of multiple groups of rod bodies, the internal structure of the case 1 is reinforced, a through hole A6 and a through hole B14 are respectively formed at two ends of the case 1, a pipeline on one side of a three-way pipe A7 and a pipeline on one side of a three-way pipe B13 respectively extend out of the through hole A6 and the through hole B14, an air valve A10 is installed between an access pipeline of a middle connecting pipe A8 and a filter case A11 behind the three-way pipe A7, an outlet pipeline behind the filter case A11 is connected with a pipeline on one side of the three-way pipe B13 through an external connecting pipe A12, and an external connecting pipe B8653B 828653 is installed between the middle connecting pipe B9 behind the three-way pipe A7 and the filter case B16, when the pre-filter of the smoke analysis equipment is normally used, an air valve A10 can be opened, smoke enters a filter box A11 at one side of the air valve A10 through a three-way pipe A7 and is filtered by the filter element 23, when the filter element 23 in the filter box A11 needs to be replaced, the air valve A10 is closed, an air valve B15 is opened, so that the smoke can be filtered by the filter element 23 in the filter box B16 behind the air valve B15, the filter material of the pre-filter of the smoke analysis equipment is replaced without stopping the machine through a double-strip filter structure capable of being actively opened and closed, the filter box A11 and the filter box B16 which are provided with the same structure are adopted, after the box cover 18 is embedded and installed above the filter box A11, the inner clamping platform B22 is arranged below the box cover 18 and is clamped with the inner clamping platform A21 of the filter box A11, when the filter element 23 is replaced, screws between the box cover 18 and the filter box A11 are firstly detached, then the box 18 is pulled out upwards, and the box cover A, and the bottom end of the box cover 18 is provided with a rubber buckle 20 which is hooked and fixed with a clamping table in the filter box A11, so that the box cover 18 is tightly embedded with the filter box A11, and the filter box B16 with the same structure as the filter box A11 can replace the filter element 23 in the same way.
Referring to fig. 1, the outer wall of the cabinet 1 is coated with a metallic rust preventive paint.
For example, the metal antirust paint can form an antirust layer on the outer wall of the chassis 1 for protection.
Referring to fig. 1, the lining rod a2, the lining rod B3, the X-shaped strut 4 and the middle rod 5 are made of aluminum rod bodies.
The weight of the inner lining rod A2, the inner lining rod B3, the X-shaped strut 4 and the middle rod 5 of the aluminum rod body is light, and the weight of the case 1 is not increased.
Referring to fig. 2, three sets of filter elements 23 are arranged inside the filter boxes a11 and B16.
Illustratively, more cartridges 23 provide better filtration within filter cartridge a11 and filter cartridge B16.
Referring to fig. 2, a rubber ring 19 is engaged between the filter box a11 and the box cover 18.
Illustratively, rubber ring 19 engages between filter cartridge a11 and cover 18 to provide a tight fit between filter cartridge a11 and cover 18.
Referring to fig. 2, the platforms of the inner platforms a21 and B22 are U-shaped.
Illustratively, the inner catches A21 and B22 of the U-shaped body may provide a better grip on the cartridge 23.
Referring to fig. 2, a handle is welded to the top end of the cover 18.
Illustratively, the cover 18 may be lifted by holding the handle after the screws between the cover 18 and the filter box A11 are removed
Referring to fig. 1, an arc-shaped plate is welded between the lining rod a2 and the inner wall of the cabinet 1.
Illustratively, the arc-shaped plates are used for performing repair welding reinforcement on the welding point of the lining rod A2 and the inner wall of the case 1.
Referring to fig. 1, the filter box a11 and the filter box B16 are made of aluminum alloy.
Illustratively, the filter box a11 and the filter box B16 made of aluminum alloy are light in weight and do not increase the weight of the cabinet 1.
Referring to fig. 1, five groups of lining rods a2 and two groups of lining rods B3 are vertically welded in the cabinet 1.
For example, more lining bars a2 and B3 may form better internal bracing structure inside the chassis 1.
The invention relates to a pre-filter for flue gas analysis, an inner lining rod A2 and an inner lining rod B3 are welded in a case 1 to form an inner support frame body, a middle rod 5 is arranged in the middle of the inner support frame body for supporting, an X-shaped support rod 4 is welded between the inner lining rod A2 and the inner lining rod B3 on two sides of the middle rod 5, a reinforced supporting structure is provided for the interior of the case 1 through welding of a plurality of groups of rod bodies, the internal structure of the case 1 is reinforced, a through hole A6 and a through hole B14 are respectively arranged at two ends of the case 1, a pipeline on one side of a three-way pipe A7 and a pipeline on one side of a three-way pipe B13 are respectively extended out of the through hole A6 and the through hole B14, an air valve A10 is arranged between a middle connecting pipe A8 behind the three-way pipe A7 and an access pipeline of a filter box A11, an outlet pipeline behind the filter box A11 is connected with a pipeline structure on one side of the three-way pipe A12 and a filter box B16, the outlet pipeline of the filter box B16 is connected with the pipeline behind the three-way pipe B12 through the external connecting pipe B17, the air valve A10 can be opened when the pre-filter of the flue gas analysis equipment is normally used, flue gas enters the filter box A11 on one side of the air valve A10 through the three-way pipe A7 and is subjected to dust filtration by virtue of the filter element 23, when the filter element 23 in the filter box A11 needs to be replaced, the air valve A10 is closed, the air valve B15 is opened, so that the flue gas can be filtered by the filter element 23 in the filter box B16 behind the air valve B15, through the double filter structures which can be actively opened and closed, the filter element of the pre-filter of the flue gas analysis equipment is replaced without stopping, the filter element 23 is clamped by the filter box A11 and the filter box B16 which are provided with the same structures, after the box cover 18 is embedded and arranged above the filter box A11, the inner clamping platform B22 and the inner clamping platform A21 clamping column of the filter box A11 are clamped with screws, then, the box cover 18 is pulled out upwards, the filter element 23 can be directly taken out from the inner clamping platform A21 for replacement, and the rubber buckle 20 arranged at the bottom end of the box cover 18 is hooked and fixed with the clamping platform in the filter box A11, so that the box cover 18 is tightly embedded with the filter box A11, and similarly, the filter box B16 with the same structure as the filter box A11 can also be replaced by the filter element 23 in the way.
The invention relates to a pre-filter for flue gas analysis, which comprises a case 1, an inner lining rod A2, an inner lining rod B3, an X-shaped support rod 4, a middle rod 5, a through hole A6, a three-way pipe A7, a middle connecting pipe A8, a middle connecting pipe B9, an air valve A10, a filter box A11, an external connecting pipe A12, a three-way pipe B13, a through hole B14, an air valve B15, a filter box B16, an external connecting pipe B17, a box cover 18, a rubber ring 19, a rubber buckle 20, an internal clamping table A21, an internal clamping table B21, a filter box B3, a filter box,
The inner clamping platform B22 and the filter element 23 are all universal standard parts or parts known to those skilled in the art, and the structure and principle of the inner clamping platform B22 and the filter element 23 are known to those skilled in the art through technical manuals or through routine experiments.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. A pre-filter for flue gas analysis, comprising a cabinet (1), characterized in that: the inner wall of the case (1) is welded with a lining rod A (2) and a lining rod B (3), the lining rod A (2) and the lining rod B (3) are welded into an inner support frame body in the case (1), the middle part of the inner support frame body formed by welding the lining rod A (2) and the lining rod B (3) is welded with a middle rod (5), an X-shaped support rod (4) is welded between the lining rod A (2) and the lining rod B (3) on two sides of the middle rod (5), one side of the outer wall of the case (1) is provided with a through hole A (6), the through hole A (6) extends out of an air inlet pipeline of a three-way pipe A (7), two side pipe bodies behind the three-way pipe A (7) are respectively provided with a middle connecting pipe A (8) and a middle connecting pipe B (9), the rear end of the middle connecting pipe A (8) is provided with an air valve A (10), and the tail end of the air valve A (10) is provided with an access pipeline of a filter, the rear end of the filter box A (11) is connected with a pipeline in an intercommunicating way and is connected with an external pipe A (12), the external pipe A (12) is connected with a pipeline on one side of the rear end of a three-way pipe B (13) in an intercommunicating way, the front end of the three-way pipe B (13) extends out of a hole of a through hole B (14), the through hole B (14) is arranged on one side of the outer wall of the case (1), the other side of the rear end of the three-way pipe B (13) is connected with an external pipe B (17) in an intercommunicating way, one side of the external pipe B (17) is connected with a connecting pipe of the filter box B (16) in an intercommunicating way, the other side of the filter box B (16) is connected with the outer side of the pipeline and is provided with an air valve B (15), the air inlet of the air valve B (15) is provided with a rear end pipe body of a middle connecting pipe B (9), the filter box A (, and case lid (18) below has rubber buckle (20) to collude the inside ka tai of A (11), the screw has connect the screw soon between case lid (18) and filter box A (11), the below of case lid (18) is stretched out and is had interior ka tai B (22), and filter box A (11) inner wall bottom vertical fixation of interior ka tai B (22) below has interior ka tai A (21), the draw-in groove has been seted up at the middle part of interior ka tai A (21) and interior ka tai B (22), and has embedded into between the middle part draw-in groove of interior ka tai A (21) and interior ka tai B (22) filter core (23).
2. The pre-filter for flue gas analysis of claim 1, wherein: the outer wall of the case (1) is coated with metal antirust paint.
3. The pre-filter for flue gas analysis of claim 1, wherein: the lining rod A (2), the lining rod B (3), the X-shaped supporting rod (4) and the middle rod (5) are made of aluminum rod bodies.
4. The pre-filter for flue gas analysis of claim 1, wherein: and three groups of filter elements (23) are arranged in the filter box A (11) and the filter box B (16).
5. The pre-filter for flue gas analysis of claim 1, wherein: and a rubber ring (19) is connected between the filter box A (11) and the box cover (18).
6. The pre-filter for flue gas analysis of claim 1, wherein: the inner clamping table A (21) and the inner clamping table B (22) are U-shaped.
7. The pre-filter for flue gas analysis of claim 1, wherein: a grab handle is welded at the top end of the box cover (18).
8. The pre-filter for flue gas analysis of claim 1, wherein: an arc-shaped plate is welded between the lining rod A (2) and the inner wall of the case (1).
9. The pre-filter for flue gas analysis of claim 1, wherein: and the filter box A (11) and the filter box B (16) are made of aluminum alloy materials.
10. The pre-filter for flue gas analysis of claim 1, wherein: five groups of lining rods A (2) and two groups of lining rods B (3) are vertically welded in the case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010971005.4A CN112057962A (en) | 2020-09-15 | 2020-09-15 | A leading filter for flue gas analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010971005.4A CN112057962A (en) | 2020-09-15 | 2020-09-15 | A leading filter for flue gas analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112057962A true CN112057962A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010971005.4A Pending CN112057962A (en) | 2020-09-15 | 2020-09-15 | A leading filter for flue gas analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112057962A (en) |
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| ES2033016T3 (en) * | 1988-01-11 | 1993-03-01 | Voest-Alpine Industrieanlagenbau Gesellschaft M.B.H. | DEVICE FOR THE CONTINUOUS TAKING OF HOT GAS SAMPLES FROM A REACTION CONTAINER. |
| CN104729050A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Screw parallel-connection unit frame and screw parallel-connection unit comprising same |
| CN107126786A (en) * | 2017-06-22 | 2017-09-05 | 江苏瀚霆环保滤材有限公司 | A kind of clarifier filter bag supporting structure |
| CN208660659U (en) * | 2018-04-27 | 2019-03-29 | 陈敏通 | Industrial waste gas filter containing dust |
| CN109821316A (en) * | 2017-11-23 | 2019-05-31 | 科润智能科技股份有限公司 | A kind of chemical emission filter device |
| CN211358024U (en) * | 2019-10-31 | 2020-08-28 | 四川海泰科机械设备制造有限公司 | Air separation pretreatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2267144A1 (en) * | 1974-04-10 | 1975-11-07 | Europ Accumulateurs | Gas filter for solid or liq. particles - with expansion space between cartridges giving improved liq. sepn. |
| ES2033016T3 (en) * | 1988-01-11 | 1993-03-01 | Voest-Alpine Industrieanlagenbau Gesellschaft M.B.H. | DEVICE FOR THE CONTINUOUS TAKING OF HOT GAS SAMPLES FROM A REACTION CONTAINER. |
| CN104729050A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Screw parallel-connection unit frame and screw parallel-connection unit comprising same |
| CN107126786A (en) * | 2017-06-22 | 2017-09-05 | 江苏瀚霆环保滤材有限公司 | A kind of clarifier filter bag supporting structure |
| CN109821316A (en) * | 2017-11-23 | 2019-05-31 | 科润智能科技股份有限公司 | A kind of chemical emission filter device |
| CN208660659U (en) * | 2018-04-27 | 2019-03-29 | 陈敏通 | Industrial waste gas filter containing dust |
| CN211358024U (en) * | 2019-10-31 | 2020-08-28 | 四川海泰科机械设备制造有限公司 | Air separation pretreatment device |
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Application publication date: 20201211 |