CN107990750B - Detection device of industrial furnace - Google Patents
Detection device of industrial furnace Download PDFInfo
- Publication number
- CN107990750B CN107990750B CN201711349987.8A CN201711349987A CN107990750B CN 107990750 B CN107990750 B CN 107990750B CN 201711349987 A CN201711349987 A CN 201711349987A CN 107990750 B CN107990750 B CN 107990750B
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- CN
- China
- Prior art keywords
- cylinder body
- cylinder
- pipe
- sleeve
- detection device
- 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.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000002893 slag Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000003818 cinder Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 210000003437 trachea Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- 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
- F27D19/00—Arrangements of controlling devices
-
- 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
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0014—Devices for monitoring temperature
-
- 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
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a detection device of an industrial furnace, which ensures the normal placement and the extraction of a detection tube, when slag bonding occurs at an observation channel port, a slag removal sleeve moves and bumps slag, so that the slag removal sleeve falls off, the view angle range of a detector is ensured to have no shielding phenomenon, the normal measurement is ensured, the detection device is suitable for a high-temperature furnace body with very severe working conditions and high slag bonding strength, and the detection device has the advantages of high thrust, high slag removal force and the like when the slag removal sleeve is displaced, and the whole product has the advantages of compact appearance structure, small installation space, easiness in processing and the like.
Description
Technical Field
The invention relates to the field of temperature measurement in an industrial high-temperature furnace, in particular to a device convenient for slag removal and detection.
Background
For normal production, the industrial and mining in the industrial high-temperature furnace needs to be known and controlled, for example, the indoor temperature of a kiln tail smoke chamber of a rotary kiln of a cement production line is monitored, most of the environments in the furnace to be monitored are complex environments such as high temperature, high dust density and the like, when the dust is precooled, slag is easily formed at an observation channel opening at the front end, slag bodies have certain viscosity, the slag bodies are gradually increased, and finally the observation channel of a probe is shielded, so that the observation effect is influenced. In the prior art, the slag bonding at the observation passage opening at the front end is avoided by adopting an air flow purging mode, and the slag removal scheme of the air flow purging cannot thoroughly solve the problem due to the complexity of industrial and mining in the furnace.
Disclosure of Invention
The invention aims to provide a detection device of an industrial furnace, which can effectively and timely clean slag accumulated at an observation channel opening.
In order to achieve the above purpose, a detection device for an industrial furnace is characterized in that: the outer protection pipe comprises a first cylinder body and a second cylinder body, the front end of the first cylinder body is connected with an external flange of the embedded assembly, the rear end of the first cylinder body and the front end of the second cylinder body are respectively connected with the middle cylinder cover, and the first cylinder body and the second cylinder body are arranged in a concentric and parallel manner; a slag removing sleeve is arranged in the cylinder body between the front cylinder cover and the middle cylinder cover of the first cylinder body, a sleeve piston is arranged at the rear end of the outer pipe wall of the slag removing sleeve, and an air inlet passage and an air return passage are arranged on the front cylinder cover and the middle cylinder cover of the first cylinder body to drive the sleeve piston to move in the first cylinder body; the pipe body of the detection pipe sequentially penetrates through the pipe cavity of the second cylinder body and the slag removing sleeve.
In the technical scheme, the normal placement and the taking-out of the detection tube are ensured, when the slag formation occurs at the port of the observation channel, the slag removal sleeve moves and bumps the slag, so that the slag removal sleeve falls off, the shielding phenomenon of the view angle range of the detector is avoided, and the normal measurement is ensured. The invention is suitable for the high temperature furnace body with very bad working condition and larger slag bonding strength, and has the advantages of large thrust, strong slag cleaning force and the like when the slag cleaning sleeve is displaced, and the whole product has the advantages of compact appearance structure, small installation space, easy processing and the like.
Drawings
FIGS. 1, 2 and 3 are schematic structural views of the invention, wherein FIG. 2 is a slag removal state, and FIG. 3 is a schematic structural view of the position of the detection tube in the withdrawn or placed state;
FIG. 4 is a schematic view of a probe tube in accordance with the present invention;
FIG. 5 is a schematic view of a slag removal sleeve in accordance with the present invention;
FIG. 6 is a schematic view of an outer shield of the present invention;
FIG. 7 is a schematic illustration of an embedment in accordance with the present invention;
FIG. 8 is an enlarged partial schematic view of the intermediate cylinder and piston in the sensing condition of the present invention;
fig. 9 is an enlarged partial schematic view of the assembly of the embedment with the front head in the present invention.
Detailed Description
Referring to fig. 1, 2 and 3, the detecting device of the industrial furnace comprises an outer protective tube, a first cylinder body and a second cylinder body, wherein the outer protective tube comprises a first cylinder body 10 and a second cylinder body 20, the front end of the first cylinder body 10 is connected with a flange cover 41 of an embedded assembly 40, the rear end of the first cylinder body 10 and the front end of the second cylinder body 20 are respectively connected with a middle cylinder cover 30, and the first cylinder body 10 and the second cylinder body 20 are arranged in a concentric and forward mode; a slag removing sleeve 12 is arranged in the cylinder body between the front cylinder cover 11 and the middle cylinder cover 30 of the first cylinder body 10, a sleeve piston 13 is arranged at the rear end of the outer pipe wall of the slag removing sleeve 12, and an air inlet and return passage is arranged on the front cylinder cover 11 and the middle cylinder cover 30 of the first cylinder body 10 to drive the sleeve piston 13 to move in the first cylinder body 10; the pipe body of the detection pipe 50 sequentially penetrates through the second cylinder body 20 and the pipe cavity of the slag removing sleeve 12. In the above technical scheme, the pre-buried component 40 is preset on the wall of the industrial furnace, the flange cover 41 arranged outside the wall is used for connecting the outer protection tube, the outer protection tube comprises a front section and a rear section, the front section is the first cylinder body 10, the rear section is the second cylinder body 20, the first cylinder body 10 and the second cylinder body 20 are connected in series through the middle cylinder cover 30, the slag-cleaning sleeve 12 is arranged in the first cylinder body 10, the slag-cleaning sleeve 12 moves to the inner end tube orifice of the observation protection tube B of the pre-buried component 40 in the furnace chamber to collide and clean the slag which is gathered on the inner end tube orifice, so that the normal view field range is ensured, and the end part of the detection tube 50 of the tube body of the tube cavity of the slag-cleaning sleeve 12 sequentially penetrates through the second cylinder body 20 can acquire the furnace working condition information through the view field range of the cleaning field.
A piston 51 is provided on the detection pipe 50 in the cylinder body between the rear cylinder head 21 and the intermediate cylinder head 30 of the second cylinder body 20, and an intake and return passage is provided on the rear cylinder head 21 and the intermediate cylinder head 30 to drive the detection pipe 50 to move forward and backward. The probe tube 50 and the piston 51 arranged on the probe tube and the second cylinder body 20 form a matching structure, so that the probe tube 50 can be put in or taken out, and the flue gas in the furnace can not overflow in the normal probing process.
The technical core provided by the invention can be understood as that two linear cylinders are connected in series, the front linear cylinder formed by the first cylinder body 10 and the slag removing sleeve 12 is matched to execute slag removing action, the rear cylinder formed by the second cylinder body 20 and the detecting tube 50 is matched to execute pushing and withdrawing of the probe body, the two cylinders can independently act without interference, and the action frequency can be set according to the working condition of the use site.
The peripheral surface of the sleeve piston 13 is provided with a sealing groove 135 for accommodating a sealing ring and a ring groove 136 for accommodating a guiding collar, and the structure of the piston 51 of the probe tube 50 is the same as that of the sleeve piston 13. As described above, the piston 51 of the probe tube 50 has substantially the same structure as the sleeve piston 13, and the number of parts to be machined can be reduced. The sealing ring 135 is provided with a sealing ring to ensure air tightness, and the annular groove 136 is provided with a guiding collar to ensure guiding performance.
The whole middle cylinder cover 30 is an annular sleeve, the inner hole of the middle cylinder cover 30 is a step hole with the middle smaller than two ends, a front cylinder air passage 31 and a rear cylinder air passage 32 which are radially arranged are arranged on the peripheral surface of the middle cylinder cover 30, the inner end of the front cylinder air passage 31 is provided with a vent hole communicated with a cavity of the first cylinder body 10, and the inner end of the rear cylinder air passage 32 is provided with a vent hole communicated with a cavity of the second cylinder body 20. The invention realizes that the first cylinder body 10 and the second cylinder body 20 form two cylinders by the middle cylinder cover 30, and has simple structure and low cost.
Preferably, the vent hole comprises a first vent hole 311 and a first vent hole 312 of the front cylinder and a first vent hole 321 and a second vent hole 322 of the rear cylinder, which are formed on the large step surface and the small step surface. The front cylinder first vent hole 311 firstly transmits pressure gas to the piston end face and drives the piston to move accordingly, and then the front cylinder second vent hole 312 also achieves gas supply, thereby accelerating the response of the sleeve piston 13.
The sleeve piston 13 comprises a pipe body 131, a first convex ring 132 and a second convex ring 133 are axially arranged on the periphery of the pipe body 131 at intervals, the first convex ring 132 and the second convex ring 133 are respectively arranged at intervals with the two ends of the pipe body 131, screw connecting holes 134 are formed in the pipe body 131 between the first convex ring 132 and the second convex ring 133, sealing grooves 135 and ring grooves 136 are respectively formed in the periphery of the first convex ring 132 and the second convex ring 133, and sealing grooves are formed in the inner pipe wall of the pipe body 131 to accommodate sealing elements. The above structure is beneficial to ensuring that the detecting tube 50, the slag removing sleeve 12 and the first cylinder body 10 and the second cylinder body 20 are kept concentric with each other, so that scraping phenomenon between the detecting tube and the first cylinder body 10 and the second cylinder body 20 is avoided.
The flange cover 41 of the embedded assembly 40 is positioned outside the furnace body A, the front side of the flange cover 41 is provided with an embedded observation protection pipe B, the flange cover 41 comprises a pipe section, an external flange 411 at the front pipe orifice and a cover bottom plate 412 at the rear end, a through hole 413 for the slag removal sleeve 12 to pass through is formed in the cover bottom plate 412, the front side of the through hole 413 is hinged with a baffle door 42, the hinge shaft 43 is positioned above the through hole 413, and the air outlet direction of the process air pipe 44 is arranged at the position where the air flow acts on the baffle door 42 to drive the baffle door 42 to close the through hole 413. The scheme can ensure that the baffle door 42 shields the front end of the probe during maintenance or equipment rest, plays roles in isolating heat radiation, dust and the like, and the equipment can ventilate and cool for a long time through the process air pipe 44 so that the probe can overcome higher field environment temperature.
Claims (5)
1. A detection device of an industrial furnace is characterized in that: the outer protection pipe comprises a first cylinder body and a second cylinder body (10 and 20), the front end of the first cylinder body (10) is connected with a flange cover cap (41) of the embedded assembly (40), the rear end of the first cylinder body (10) and the front end of the second cylinder body (20) are respectively connected with the middle cylinder cover (30), and the first cylinder body (10) and the second cylinder body (20) are arranged in a concentric and parallel manner; a slag removing sleeve (12) is arranged in a cylinder body between a front cylinder cover (11) and a middle cylinder cover (30) of the first cylinder body (10), a sleeve piston (13) is arranged at the rear end of an outer pipe wall of the slag removing sleeve (12), and an air inlet and return passage is arranged on the front cylinder cover (11) and the middle cylinder cover (30) of the first cylinder body (10) to drive the sleeve piston (13) to move in the first cylinder body (10); the pipe body of the detection pipe (50) sequentially penetrates through the pipe cavities of the second cylinder body (20) and the slag removing sleeve (12);
the flange shroud (41) of pre-buried subassembly (40) be located furnace body A's outside, the front side of flange shroud (41) sets up pre-buried observation pillar B, flange shroud (41) are including external flange (411) and the lid bottom plate (412) of rear end of pipe section and preceding mouth of pipe department, have seted up through-hole (413) that supply scarfing cinder sleeve (12) to pass through on lid bottom plate (412), through-hole (413) front side articulated have baffle door (42), articulated shaft (43) are located through-hole (413) top, the position department of the air current effect on baffle door (42) of order about its shutoff through-hole (413) of the direction of giving vent to anger of technology trachea (44).
2. The detection device of an industrial furnace according to claim 1, wherein: a piston (51) is arranged on a detection pipe (50) in the cylinder body between a rear cylinder cover (21) and a middle cylinder cover (30) of the second cylinder body (20), and an air inlet and return passage is arranged on the rear cylinder cover (21) and the middle cylinder cover (30) to drive the detection pipe (50) to move back and forth.
3. The detection device of an industrial furnace according to claim 1 or 2, characterized in that: the peripheral surface of the sleeve piston (13) is provided with a sealing groove (135) for accommodating a sealing ring and a ring groove (136) for accommodating a guide lantern ring, and the structure of a piston (51) of the detection tube (50) is the same as that of the sleeve piston (13);
the sleeve piston (13) comprises a pipe body (131), a first convex ring (132) and a second convex ring (133) are axially arranged at intervals on the periphery of the pipe body (131), the first convex ring (132) and the second convex ring (133) are respectively arranged at intervals with the two ends of the pipe body (131), screw connecting holes (134) are formed in the pipe body (131) between the first convex ring and the second convex ring (132, 133), sealing grooves (135) and annular grooves (136) are respectively formed in the periphery of the first convex ring and the second convex ring (132, 133), and sealing grooves are formed in the inner pipe wall of the pipe body (131) to accommodate sealing elements.
4. The detection device of an industrial furnace according to claim 1 or 2, characterized in that: the whole annular sleeve pipe that is of middle cylinder cap (30), the hole is the step hole at middle little both ends, has offered preceding jar air flue (31), the back jar air flue (32) of radial arrangement on middle cylinder cap (30) global, and the inner end of preceding jar air flue (31) has the air vent of intercommunication first cylinder body (10) cavity, and the inner end of back jar air flue (32) has the air vent of intercommunication second cylinder body (20) cavity.
5. The industrial furnace detection device according to claim 4, wherein: the vent hole comprises a front cylinder first vent hole (311) and a rear cylinder first vent hole (321) and a rear cylinder first vent hole (322) which are formed in the large step surface and the small step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711349987.8A CN107990750B (en) | 2017-12-15 | 2017-12-15 | Detection device of industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711349987.8A CN107990750B (en) | 2017-12-15 | 2017-12-15 | Detection device of industrial furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107990750A CN107990750A (en) | 2018-05-04 |
| CN107990750B true CN107990750B (en) | 2024-03-12 |
Family
ID=62038715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711349987.8A Active CN107990750B (en) | 2017-12-15 | 2017-12-15 | Detection device of industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107990750B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220732A (en) * | 1988-07-11 | 1990-01-17 | Talentum Developments Limited | Sighting aperture clearance means for flame monitoring apparatus |
| CN206311226U (en) * | 2016-12-06 | 2017-07-07 | 乳源东阳光优艾希杰精箔有限公司 | One kind is vertical to push away furnace electric thermo-couple device |
| CN207763517U (en) * | 2017-12-15 | 2018-08-24 | 合肥金星机电科技发展有限公司 | The detection device of industrial furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9086242B2 (en) * | 2013-03-15 | 2015-07-21 | Nucor Corporation | Slag clearing system and method |
-
2017
- 2017-12-15 CN CN201711349987.8A patent/CN107990750B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220732A (en) * | 1988-07-11 | 1990-01-17 | Talentum Developments Limited | Sighting aperture clearance means for flame monitoring apparatus |
| CN206311226U (en) * | 2016-12-06 | 2017-07-07 | 乳源东阳光优艾希杰精箔有限公司 | One kind is vertical to push away furnace electric thermo-couple device |
| CN207763517U (en) * | 2017-12-15 | 2018-08-24 | 合肥金星机电科技发展有限公司 | The detection device of industrial furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107990750A (en) | 2018-05-04 |
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Address after: No. 228, Wanshui Road, high tech Zone, Hefei City, Anhui Province, 230088 Applicant after: Hefei Jinxing Intelligent Control Technology Co.,Ltd. Address before: No. 228, Wanshui Road, high tech Zone, Hefei City, Anhui Province, 230088 Applicant before: HEFEI GOLD STAR MECHATRONICS TECHNICAL DEVELOPMENT Co.,Ltd. |
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