CN112083126A - Tail waste gas nitrogen oxide concentration detection device of oxidized pellet rotary kiln - Google Patents
Tail waste gas nitrogen oxide concentration detection device of oxidized pellet rotary kiln Download PDFInfo
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- CN112083126A CN112083126A CN202010964605.8A CN202010964605A CN112083126A CN 112083126 A CN112083126 A CN 112083126A CN 202010964605 A CN202010964605 A CN 202010964605A CN 112083126 A CN112083126 A CN 112083126A
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- rotary kiln
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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
Abstract
The invention relates to the technical field of gas detection equipment, and discloses a tail waste gas nitrogen oxide concentration detection device of an oxidized pellet rotary kiln. This tail waste gas nitrogen oxide concentration detection device of oxidation pelletizing rotary kiln, through setting up the apical foramen, the side mouth, fixed block and the fixed cover of rubber, when the fixed cover of rubber takes out from the surface of fixed block, can remove the fixed action between to quick-witted case and top cap, operating personnel can stimulate the detection device body this moment, make the gas sensor body break away from through the inside of apical foramen from quick-witted case, made things convenient for operating personnel to maintain the detection device body wholly, be convenient for simultaneously clear up the gas sensor body, easy operation is convenient and consume the time weak point, consequently, the device's practicality has been increased.
Description
Technical Field
The invention relates to the technical field of gas detection equipment, in particular to a tail waste gas nitrogen oxide concentration detection device of an oxidized pellet rotary kiln.
Background
The oxidized pellet is one of the important methods for agglomeration of fine ore, and is made up through such technological steps as adding water and adhesive to fine ore, making raw pellet with uniform viscosity and enough strength, drying, preheating, and calcining in oxidizing atmosphere to agglomerate the raw pellet into pellet.
At present, when the enterprise utilizes oxidation pelletizing rotary kiln to carry out processing production, often can produce a large amount of waste gases, in order to assay nitrogen oxide concentration in the waste gas, operating personnel often can install relevant detection device in its transfer passage, and current nitrogen oxide concentration detection device is at the in-process of in-service use, although having possessed good detection function, inconvenient operating personnel carries out regular dismantlement maintenance to it, and a large amount of dusts in the waste gas are easily attached to gas sensor, and then influence the precision that nitrogen oxide concentration detected, produce the deviation easily, consequently need improve it.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a tail waste gas nitrogen oxide concentration detection device of an oxidized pellet rotary kiln, which has the advantages of convenience in disassembly and maintenance and dust separation, and solves the problems that an existing nitrogen oxide concentration detection device is inconvenient for operators to perform regular disassembly and maintenance in the actual use process, and a large amount of dust in waste gas is easy to attach to a gas sensor, so that the detection precision of the nitrogen oxide concentration is influenced, and deviation is easy to generate.
The invention provides the following technical scheme: the tail waste gas nitrogen oxide concentration detection device of the oxidized pellet rotary kiln comprises a case, wherein a top opening is formed in the middle of the top end of the case, a top cover is movably connected to the top of the case, a connecting block is fixedly sleeved in the top cover, the top end of the connecting block penetrates through the top cover and extends to the upper side of the top cover, a detection device body is fixedly installed on the top end of the connecting block, the bottom end of the connecting block penetrates through the top cover and extends to the inner side of the top opening, a gas sensor body located in the case is fixedly installed at the bottom end of the connecting block, side openings located on two sides of the connecting block are formed in the top of the top cover, a fixed block located in each side opening is fixedly installed at the top of the case, the top end of the fixed block penetrates through each side opening and extends to the upper side of the top, and side boxes are fixedly arranged on two sides of the case.
Preferably, the number of side case is two, two the bottom of side case is fixed respectively to be cup jointed first air duct and second air duct, the top of first air duct and second air duct all runs through the side case and extends to the inside of side case, first air duct is located the left side of quick-witted case, the second air duct is located the right side of quick-witted case.
Preferably, the both sides of machine case all offer the opening that is located first air duct and second air duct top, the front of machine case is fixed to be communicated with the blast pipe.
Preferably, the top of the side box is provided with a threaded opening, the internal thread of the threaded opening is sleeved with a threaded block, and the top of the threaded block is fixedly provided with a sealing cover positioned above the side box.
Preferably, the bottom of the sealing cover is movably connected with the top of the side box, and the top of the sealing cover is fixedly provided with a rotating block.
Preferably, the bottom of the thread block is fixedly provided with two filter boxes inside the side box, the outer surfaces of the two corresponding filter boxes on one side are fixedly provided with filter screens, and the bottom of each filter box is fixedly communicated with a round sleeve block.
Preferably, the number of the circular sleeve blocks is two, and the inner walls of the two circular sleeve blocks are movably sleeved with the outer surfaces of the top ends of the first air duct and the second air duct respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. this tail waste gas nitrogen oxide concentration detection device of oxidation pelletizing rotary kiln, through setting up the apical foramen, the side mouth, fixed block and the fixed cover of rubber, when the fixed cover of rubber takes out from the surface of fixed block, can remove the fixed action between to quick-witted case and top cap, operating personnel can stimulate the detection device body this moment, make the gas sensor body break away from through the inside of apical foramen from quick-witted case, made things convenient for operating personnel to maintain the detection device body wholly, be convenient for simultaneously clear up the gas sensor body, easy operation is convenient and consume the time weak point, consequently, the device's practicality has been increased.
2. This tail waste gas nitrogen oxide concentration detection device of oxidation pelletizing rotary kiln, through setting up the screw thread mouth, screw thread piece and filter screen, because the design of filter screen, will carry out the separation to the dust in the waste gas, thereby reduced the adhesion of dust to gas sensor body surface, the precision that gas sensor body detected nitrogen oxide concentration in to the gas has been improved, and when the screw thread piece was revolved out from the inside of screw thread mouth, can realize that the filter box drives the circle cover piece and passes the inside of screw thread mouth from the side case and break away from, so that carry out periodic cleaning to the filter screen, so that recycle, consequently, further the practicality that has increased the device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic top structure diagram of the enclosure of the present invention.
In the figure: 1. a chassis; 2. a top opening; 3. a top cover; 4. connecting blocks; 5. a detection device body; 6. a gas sensor body; 7. a side port; 8. a fixed block; 9. a rubber fixing sleeve; 10. a baffle; 11. a side box; 12. a first air duct; 13. a second air duct; 14. a port; 15. a threaded opening; 16. a thread block; 17. a sealing cover; 18. rotating the block; 19. a filter box; 20. a filter screen; 21. a round sleeve block; 22. and (4) exhausting the gas.
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. 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.
Referring to fig. 1-3, the device for detecting concentration of nitrogen oxides in tail waste gas of an oxidized pellet rotary kiln comprises a case 1, a top opening 2 is formed in the middle of the top end of the case 1, through openings 14 located above a first gas guide pipe 12 and a second gas guide pipe 13 are formed in both sides of the case 1, an exhaust pipe 22 is fixedly communicated with the front side of the case 1, a top cover 3 is movably connected to the top of the case 1, the top cover 3 has a sealing effect on the top opening 2 to prevent waste gas from being discharged from the top opening 2, a connecting block 4 is fixedly sleeved inside the top cover 3, the top end of the connecting block 4 penetrates through the top cover 3 and extends to the upper side of the top cover 3, a detecting device body 5 is fixedly installed on the top end of the connecting block 4, the bottom end of the connecting block 4 penetrates through the top cover 3 and extends to the inside of the top opening 2, a gas sensor body 6 located inside the case 1 is, the top of the case 1 is fixedly provided with a fixed block 8 positioned in the side port 7, the top end of the fixed block 8 penetrates through the side port 7 and extends to the upper part of the top cover 3, the outer surface of the top end of the fixed block 8 is movably sleeved with a rubber fixed sleeve 9, the bottom of the inner cavity of the case 1 is fixedly provided with a guide plate 10 positioned below the gas sensor body 6, both sides of the case 1 are fixedly provided with side cases 11, the top of each side case 11 is provided with a threaded port 15, the inner threads of the threaded port 15 are sleeved with threaded blocks 16, the bottom of each threaded block 16 is fixedly provided with filter cases 19 positioned in the side cases 11, the number of the filter cases 19 is two, the outer surfaces of the two corresponding sides of the two filter cases 19 are respectively and fixedly provided with filter screens 20, the bottom of each filter case 19 is fixedly communicated with two round sleeve blocks 21, the number of the round sleeve blocks 21 is respectively and movably sleeved with the outer surfaces of the, the top fixed mounting of screw thread piece 16 has the sealed lid 17 that is located side case 11 top, the effect of sealed lid 17 is to screw thread mouth 15 play sealed effect, avoid waste gas to discharge from screw thread mouth 15, the bottom of sealed lid 17 and the top swing joint of side case 11, the top fixed mounting of sealed lid 17 has commentaries on classics piece 18, the quantity of side case 11 is two, the bottom of two side cases 11 is fixed respectively and has been cup jointed first air duct 12 and second air duct 13, the inside of side case 11 and extension to side case 11 is all run through on the top of first air duct 12 and second air duct 13, first air duct 12 is located the left side of quick-witted case 1, second air duct 13 is located the right side of quick-witted case 1.
During operation, waste gas is respectively led in from the first gas-guide tube 12 and the second gas-guide tube 13, and then is filtered by the filter screen 20, thereby removing dust in the gas, and then enters the inside of the case 1 through the opening 14, and then is guided to the position of the gas sensor body 6 by the guide plate 10, at this time, the gas sensor body 6 will detect the concentration of nitrogen oxide in the gas, and finally the waste gas will be discharged from the exhaust pipe 22, and the operator can clean the gas sensor body 6 regularly, first pull the two rubber fixing sleeves 9, so that the rubber fixing sleeves 9 are separated from the outer surface of the fixing block 8, and then pull the detection device body 5, so that the detection device body 5 drives the top cover 3 to separate from the top of the case 1, and meanwhile, the gas sensor body 6 will pass through the top opening 2 to separate from the inside of the case 1, thereby realizing the cleaning of the gas sensor, then the operator can rotate the rotary block 18, so that the threaded block 16 is screwed out from the inside of the threaded opening 15, and in the process, the filter box 19 drives the round sleeve block 21 to separate from the outer surfaces of the top ends of the first air duct 12 and the second air duct 13 respectively, and finally the filter box 19 and the round sleeve block 21 pass through the threaded opening 15 to separate from the inside of the side box 11, so that the cleaning operation of the filter screen 20 by the operator is facilitated, and the subsequent repeated use is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Tail waste gas nitrogen oxide concentration detection device of oxidation pelletizing rotary kiln includes quick-witted case (1), its characterized in that: the top opening (2) is formed in the middle of the top end of the case (1), a top cover (3) is movably connected to the top of the case (1), a connecting block (4) is fixedly sleeved inside the top cover (3), the top end of the connecting block (4) penetrates through the top cover (3) and extends to the upper side of the top cover (3), a detection device body (5) is fixedly mounted on the top end of the top cover (3), the bottom end of the connecting block (4) penetrates through the top cover (3) and extends to the inside of the top opening (2), a gas sensor body (6) located inside the case (1) is fixedly mounted at the bottom end of the connecting block (4), side openings (7) located on two sides of the connecting block (4) are formed in the top of the case (1), a fixing block (8) located inside the side openings (7) is fixedly mounted at the top of the case (1), and the top end of the fixing block (8) penetrates through, the outer surface activity on fixed block (8) top has cup jointed the fixed cover of rubber (9), the bottom fixed mounting of machine case (1) inner chamber has guide plate (10) that is located gas sensor body (6) below, the equal fixed mounting in both sides of machine case (1) has side case (11).
2. The device for detecting the concentration of nitrogen oxides in tail gas of an oxidized pellet rotary kiln, according to claim 1, is characterized in that: the quantity of side case (11) is two, two the bottom of side case (11) is fixed respectively has cup jointed first air duct (12) and second air duct (13), the inside of side case (11) is all run through and extend to side case (11) in the top of first air duct (12) and second air duct (13), first air duct (12) are located the left side of quick-witted case (1), second air duct (13) are located the right side of quick-witted case (1).
3. The device for detecting the concentration of nitrogen oxides in tail gas of an oxidized pellet rotary kiln, according to claim 1, is characterized in that: opening (14) that are located first air duct (12) and second air duct (13) top are all seted up to the both sides of quick-witted case (1), the front of machine case (1) is fixed the intercommunication has blast pipe (22).
4. The device for detecting the concentration of nitrogen oxides in tail gas of an oxidized pellet rotary kiln, according to claim 1, is characterized in that: the top of the side box (11) is provided with a threaded opening (15), the internal thread of the threaded opening (15) is sleeved with a threaded block (16), and the top of the threaded block (16) is fixedly provided with a sealing cover (17) positioned above the side box (11).
5. The device for detecting the concentration of nitrogen oxides in tail gas of an oxidized pellet rotary kiln, according to claim 4, is characterized in that: the bottom of the sealing cover (17) is movably connected with the top of the side box (11), and the top of the sealing cover (17) is fixedly provided with a rotating block (18).
6. The device for detecting the concentration of nitrogen oxides in tail gas of an oxidized pellet rotary kiln, according to claim 4, is characterized in that: the bottom fixed mounting of screw thread piece (16) has filter box (19) that are located side case (11) inside, the quantity of filter box (19) is two, two the equal fixed mounting of surface on one side that corresponds each other of filter box (19) has filter screen (20), the fixed intercommunication in bottom of filter box (19) has circle cover piece (21).
7. The device for detecting the concentration of nitrogen oxides in tail gas of an oxidized pellet rotary kiln, according to claim 6, is characterized in that: the number of the round sleeve blocks (21) is two, and the inner walls of the two round sleeve blocks (21) are movably sleeved with the outer surfaces of the top ends of the first air duct (12) and the second air duct (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964605.8A CN112083126A (en) | 2020-09-15 | 2020-09-15 | Tail waste gas nitrogen oxide concentration detection device of oxidized pellet rotary kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964605.8A CN112083126A (en) | 2020-09-15 | 2020-09-15 | Tail waste gas nitrogen oxide concentration detection device of oxidized pellet rotary kiln |
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| CN112083126A true CN112083126A (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010964605.8A Pending CN112083126A (en) | 2020-09-15 | 2020-09-15 | Tail waste gas nitrogen oxide concentration detection device of oxidized pellet rotary kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184745A (en) * | 2021-12-10 | 2022-03-15 | 开封黄河空分集团有限公司 | High nitrogen oxygen ratio air separation safe and stable operation intelligent monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05281176A (en) * | 1992-03-31 | 1993-10-29 | Isuzu Motors Ltd | Nox sensor |
| CN208780670U (en) * | 2018-06-07 | 2019-04-23 | 徐州鸿誉环境科技有限公司 | A kind of exhaust gas discharge detection device of Industrial Solid Waste processing equipment |
| CN208931653U (en) * | 2018-10-10 | 2019-06-04 | 四川金瑞穗科技有限公司 | Plant protection drone medicine machine |
| CN110793583A (en) * | 2019-12-04 | 2020-02-14 | 南通松达智能科技有限公司 | Plug-in pipeline gas measuring instrument |
| CN210322973U (en) * | 2019-08-14 | 2020-04-14 | 北京中电伊川测控技术有限公司 | Boiler tail flue gas oxygen content measuring device |
| CN210376301U (en) * | 2019-08-15 | 2020-04-21 | 北京中电伊川测控技术有限公司 | Sampling device for simultaneously measuring oxygen content and humidity of high-temperature flue gas |
-
2020
- 2020-09-15 CN CN202010964605.8A patent/CN112083126A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05281176A (en) * | 1992-03-31 | 1993-10-29 | Isuzu Motors Ltd | Nox sensor |
| CN208780670U (en) * | 2018-06-07 | 2019-04-23 | 徐州鸿誉环境科技有限公司 | A kind of exhaust gas discharge detection device of Industrial Solid Waste processing equipment |
| CN208931653U (en) * | 2018-10-10 | 2019-06-04 | 四川金瑞穗科技有限公司 | Plant protection drone medicine machine |
| CN210322973U (en) * | 2019-08-14 | 2020-04-14 | 北京中电伊川测控技术有限公司 | Boiler tail flue gas oxygen content measuring device |
| CN210376301U (en) * | 2019-08-15 | 2020-04-21 | 北京中电伊川测控技术有限公司 | Sampling device for simultaneously measuring oxygen content and humidity of high-temperature flue gas |
| CN110793583A (en) * | 2019-12-04 | 2020-02-14 | 南通松达智能科技有限公司 | Plug-in pipeline gas measuring instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184745A (en) * | 2021-12-10 | 2022-03-15 | 开封黄河空分集团有限公司 | High nitrogen oxygen ratio air separation safe and stable operation intelligent monitoring system |
| CN114184745B (en) * | 2021-12-10 | 2023-03-10 | 开封黄河空分集团有限公司 | High nitrogen oxygen ratio air separation safe and stable operation intelligent monitoring system |
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Application publication date: 20201215 |
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