CN211921615U - Blast furnace tuyere belly pipe airtightness detection device - Google Patents
Blast furnace tuyere belly pipe airtightness detection device Download PDFInfo
- Publication number
- CN211921615U CN211921615U CN201922029012.8U CN201922029012U CN211921615U CN 211921615 U CN211921615 U CN 211921615U CN 201922029012 U CN201922029012 U CN 201922029012U CN 211921615 U CN211921615 U CN 211921615U
- Authority
- CN
- China
- Prior art keywords
- end cover
- airtight
- air
- belly pipe
- 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.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to an ironmaking equipment gas leakage detection device technical field especially relates to an airtight detection device of blast furnace tuyere belly pipe, including airtight device and the detection device that the supporting used, airtight device includes airtight end cover, and the both sides of the internal surface of airtight end cover are respectively fixed and are equipped with a foraminiferous bolt seat, and the rear end of belly pipe is provided with the gaseous air inlet of inspection, and airtight end cover is established on the gaseous air inlet of inspection for in two foraminiferous bolt seats insert two cassettes respectively, all wear to be equipped with the bolt in the foraminiferous bolt seat of airtight end cover both sides and the cassette. The utility model discloses can detect wind gap equipment fixing effectively and whether target in place, avoid the blast furnace to shut down the wind repeatedly, guarantee the normal production of blast furnace.
Description
Technical Field
The utility model relates to an ironmaking equipment gas leakage detection device technical field especially relates to an airtight detection device of blast furnace tuyere belly pipe.
Background
The blast furnace tuyere blows high-temperature hot air into the furnace in the iron-making process, and plays a vital role in the iron-making link. The tuyere belly pipe, the middle and small sleeves are damaged or need to be forcibly replaced regularly when used for a certain time, and the replacement is generally arranged for maintenance. As shown in fig. 1, the rear end of the small sleeve 2 is sleeved on the front end of the belly pipe 1, the middle sleeve 3 is sleeved outside the small sleeve 2, a clamping structure is arranged between the middle sleeve 3 and the small sleeve 2, in addition, the small sleeve 2 and the middle sleeve 3 are both copper, the thermal expansion is high, the small sleeve 2 and the middle sleeve 3 can not leak, gaps between the belly pipe 1 and the small sleeve 2 are mainly inspected, during maintenance, a tuyere is blocked by stemming 4, tuyere equipment is replaced, after the tuyere equipment is replaced, the stemming is poked out from a belly pipe inner hole, then re-air is performed, and soap water is sprayed to the gaps between the belly pipe 1 and the small sleeve 2 to inspect whether air leakage exists or not, if air leakage exists, damping adjustment and installation are needed, blast furnace re-air blowing and damping down can cause starting and stopping of a large amount of equipment, time and labor are wasted in this lifting, and considerable loss can be caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the technical problem that the air leakage detection mode between the belly pipe and the small sleeve in the prior art wastes time and energy, the utility model provides an airtight detection device for a tuyere belly pipe of a blast furnace.
The utility model provides a technical scheme that its technical problem adopted is: a blast furnace tuyere belly pipe airtightness detection device comprises an airtightness device and a detection device which are matched for use, wherein the airtightness device comprises an airtight end cover, two sides of the inner surface of the airtight end cover are respectively and fixedly provided with a bolt seat with a hole, the rear end of a belly pipe is provided with a detection gas inlet, the periphery of the detection gas inlet is provided with a big belly pipe cover plate, two sides of the big belly pipe cover plate are respectively provided with a clamping seat, each clamping seat comprises two support lugs, coaxial pin holes are arranged on the two support lugs from top to bottom, the airtight end cover is covered on the detection gas inlet, so that the two bolt seats with the holes are respectively inserted into the two clamping seats, bolts penetrate through the bolt seats with the holes and the clamping seats on the two sides of the airtight end cover, the inner surface of the airtight end cover is also provided with an annular groove, a sealing ring is arranged in the, the annular groove is located inspection gas inlet outer lane, and airtight end cover air inlet has still been seted up to airtight end cover's surface, and airtight end cover air inlet passes airtight end cover's internal surface and blowpipe is inside to be linked together, and airtight end cover air inlet is external to have the air supply hard tube, and the other end of air supply hard tube is connected the quick-operation joint male end, and metal collapsible tube's one end is connected with the quick-operation joint female end, and quick-operation joint male end and quick-operation joint female end are mutually supported and are connected, and metal collapsible tube's the other end and compressed air pipe network are connected, and the ball valve is installed to compressed air pipe network and metal collapsible tube's junction, detection device includes amount of wind tachymeter and.
Further, in order to ensure the sealing effect, when the airtight end cover is closed, the annular groove and the inspection gas inlet are concentrically arranged, and the inner diameter of the annular groove is larger than the outer diameter of the inspection gas inlet.
The beneficial effects of the utility model are that, the utility model discloses an airtight detection device of blast furnace tuyere belly pipe can detect wind gap equipment fixing effectively whether target in place, has avoided the blast furnace to shut down the wind repeatedly, has guaranteed the normal production of blast furnace.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the installation position structure of the tuyere belly pipe of the blast furnace of the present invention.
Fig. 2 is a schematic structural diagram of the blast furnace tuyere belly pipe of the present invention for installing an air tightness detection device.
Fig. 3 is a schematic structural view of the blast furnace tuyere belly pipe airtightness detection device of the present invention.
Fig. 4 is a schematic view of the inner surface and the outer surface of the airtight end cover of the blast furnace tuyere belly pipe airtightness detection device of the present invention.
In the figure: 1. the device comprises a belly pipe, 2, a small sleeve, 3, a middle sleeve, 4, stemming, 5, an airtight end cover, 6, a detection gas inlet, 7, a clamping seat, 8, a support lug, 10, a bolt seat with a hole, 11, an annular groove, 12, an air source hard pipe, 13, a large sleeve, 14, a leather hose, 15, a quick joint male end, 17, a compressed air pipe network, 18, a ball valve, 19, an air volume velocimeter, 20 and a probe rod.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in figures 1-4, which is the best embodiment of the present invention, the air tightness detecting device of the tuyere belly pipe of the blast furnace comprises an air tightness device and a detecting device which are used in a matching way, the air tightness device comprises an air tightness end cover 5, two sides of the inner surface of the air tightness end cover 5 are respectively and fixedly provided with a bolt seat 10 with holes, the rear end of the belly pipe 1 is provided with a checking gas inlet, the periphery of the checking gas inlet is provided with a big cover plate of the belly pipe, two sides of the big cover plate of the belly pipe are respectively provided with a clamping seat 7, the clamping seat 7 comprises two support lugs 8, the two support lugs 8 are provided with coaxial pin holes from top to bottom, the air tightness end cover 5 covers the checking gas inlet, so that the two bolt seats 10 with holes are respectively inserted into the two clamping seats 7, the bolt seat 10 with holes is positioned between the two support lugs 8 corresponding to the clamping seats 7, the bolt, then two bolts are respectively inserted into the corresponding support lugs 8 and the corresponding bolt seats 10 with holes, so that the airtight end cover 5 is fixed on the belly pipe 1, the inner surface of the airtight end cover 5 is also provided with an annular groove 11, a sealing ring is arranged in the annular groove 11, after the airtight end cover 5 is covered on an inspection gas inlet, the airtight end cover 5 is attached to a big cover plate of the belly pipe, the annular groove 11 is positioned at the outer ring of the inspection gas inlet, the outer surface of the airtight end cover 5 is also provided with an airtight end cover inlet, the airtight end cover inlet penetrates through the inner surface of the airtight end cover 5 to be communicated with the inside of the belly pipe 1, the airtight end cover inlet is externally connected with a gas source hard pipe 12, the other end of the gas source hard pipe 12 is connected with a quick joint male end 15, one end of a metal hose is connected with a quick joint female end, the quick joint, the ball valve 18 is installed at the junction of compressed air pipe network 17 and metal collapsible tube, and detection device includes air quantity tachymeter 19 and probe rod 20, passes through rubber tube 14 interconnect between air quantity tachymeter 19 and the probe rod 20. When the airtight end cover 5 is closed, the annular groove 11 and the inspection gas inlet are concentrically arranged, and the inner diameter of the annular groove 11 is larger than the outer diameter of the inspection gas inlet. The air quantity and wind velocity meter 19 is a high-temperature hand-held type wind velocity meter of model VF310 of Nanjing energy megascience and technology Limited, which is resistant to 250 ℃, corrosion and dust.
The utility model is put into use on the blast furnace tuyere, and is convenient, simple, flexible and efficient. The specific working principle is as follows: as shown in figure 1, when a belly pipe 1 or a middle and small sleeve is replaced, an air port can be blocked by stemming 4, after the belly pipe 1, the middle sleeve 3 and the small sleeve 2 are installed, an airtight end cover 5 can be installed at a big cover plate of the belly pipe, bolts at two sides of the airtight end cover 5 are inserted, a male end 15 of a quick connector and a female end of the quick connector are connected, a ball valve 18 on a compressed air pipe network is opened, compressed air is blown into the belly pipe 1, if the belly pipe 1 and the small sleeve 2 are not installed in place, air leakage in a gap between the small sleeve 2 and the belly pipe 1 can be caused, a feeler lever 20 of an air volume anemometer is inserted into a big sleeve 13 and goes deep to the vicinity of the head of the belly pipe 1, a circle of movement is carried out between the belly pipe 1 and the small sleeve 2, the feeler lever 20 is connected with the air volume anemometer 19 through a leather hose 14, so that whether air flow exists between the belly pipe 1 and the small sleeve 2 can be directly, if the air leakage exists, the installation can be readjusted according to the actual situation.
The utility model discloses an airtight detection device of blast furnace tuyere belly pipe can detect wind gap equipment fixing effectively whether target in place, has avoided the blast furnace to shut down the wind repeatedly, has guaranteed the normal production of blast furnace.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The utility model provides a blast furnace tuyere belly pipe airtight detection device which characterized in that: the air-tight device comprises an air-tight end cover (5), two sides of the inner surface of the air-tight end cover (5) are respectively and fixedly provided with a bolt seat (10) with holes, the rear end of a belly pipe (1) is provided with a checking gas inlet, a belly pipe large cover plate is arranged on the periphery of the checking gas inlet, two sides of the belly pipe large cover plate are respectively provided with a clamping seat (7), the clamping seat (7) comprises two support lugs (8), the two support lugs (8) are provided with coaxial pin holes from top to bottom, the air-tight end cover (5) covers the checking gas inlet, so that the two bolt seats (10) with holes are respectively inserted into the two clamping seats (7), bolts penetrate through the bolt seats (10) with holes and the clamping seats (7) on the two sides of the air-tight end cover (5), the inner surface of the air-tight end cover (5) is further provided with an annular groove, a sealing ring is arranged in the annular groove (11), an airtight end cover (5) is covered on an inspection gas inlet, the annular groove (11) is positioned on the outer ring of the inspection gas inlet, an airtight end cover air inlet is also formed in the outer surface of the airtight end cover (5), the airtight end cover air inlet penetrates through the inner surface of the airtight end cover (5) and is communicated with the inside of the belly pipe (1), an air source hard pipe (12) is connected outside the airtight end cover air inlet, the other end of the air source hard pipe (12) is connected with a quick connector male end (15), one end of a metal hose is connected with a quick connector female end, the quick connector male end (15) and the quick connector female end are mutually matched and connected, the other end of the metal hose is connected with a compressed air pipe network (17), and a ball valve (18) is arranged at,
the detection device comprises an air volume velocimeter (19) and a probe rod (20), wherein the air volume velocimeter (19) and the probe rod (20) are connected with each other through a leather hose (14).
2. The airtightness detection device for the tuyere belly pipe of the blast furnace as claimed in claim 1, wherein: when the airtight end cover (5) is closed, the annular groove (11) and the inspection gas inlet are concentrically arranged, and the inner diameter of the annular groove (11) is larger than the outer diameter of the inspection gas inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029012.8U CN211921615U (en) | 2019-11-22 | 2019-11-22 | Blast furnace tuyere belly pipe airtightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922029012.8U CN211921615U (en) | 2019-11-22 | 2019-11-22 | Blast furnace tuyere belly pipe airtightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211921615U true CN211921615U (en) | 2020-11-13 |
Family
ID=73318987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922029012.8U Active CN211921615U (en) | 2019-11-22 | 2019-11-22 | Blast furnace tuyere belly pipe airtightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211921615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350875A (en) * | 2022-03-18 | 2022-04-15 | 新疆八一钢铁股份有限公司 | Novel blast furnace air supply small sleeve and installation method thereof |
| CN114350878A (en) * | 2022-02-16 | 2022-04-15 | 中钢设备有限公司 | Tuyere belly pipe equipment with air seal and iron-making furnace system |
-
2019
- 2019-11-22 CN CN201922029012.8U patent/CN211921615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114350878A (en) * | 2022-02-16 | 2022-04-15 | 中钢设备有限公司 | Tuyere belly pipe equipment with air seal and iron-making furnace system |
| CN114350875A (en) * | 2022-03-18 | 2022-04-15 | 新疆八一钢铁股份有限公司 | Novel blast furnace air supply small sleeve and installation method thereof |
| CN114350875B (en) * | 2022-03-18 | 2023-03-14 | 新疆八一钢铁股份有限公司 | Novel blast furnace air supply small sleeve and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211921615U (en) | Blast furnace tuyere belly pipe airtightness detection device | |
| CN105969924B (en) | A kind of cooling water pipe of cooling wall of blast furnace restorative procedure and its structure and suppress leak finding device | |
| CN115307862B (en) | Hypersonic wind tunnel mixed heating gas jet flow test device | |
| CN203569129U (en) | Blast furnace tuyere simulation test device | |
| CN102435400A (en) | Bidirectional sealing performance test method of mechanical vibrator | |
| CN202676242U (en) | High temperature radar charge level indicator device | |
| CN112458222A (en) | Blast furnace tuyere small sleeve leakage detection device and leakage detection method | |
| CN203551180U (en) | Converter opening micro-differential pressure measuring pressure tapping device | |
| CN209231159U (en) | One kind being used for thermal power plant's coal powder density on-line measurement device | |
| CN203284418U (en) | Movable leakage detection device for blast furnace cooling stave | |
| CN109459097A (en) | The matrix distributed stream measuring device that a kind of On Line Foul Removing Technology and cold and hot compare | |
| CN213812769U (en) | Multi-stage sound amplifying and back blowing sound wave conduction pipe | |
| CN109141765A (en) | Coil pipe air-tightness detection device and its detection method | |
| CN204401022U (en) | A kind of blast furnace cooling stave leakage detection locating device | |
| CN204556318U (en) | A kind of use compressed-air actuated coal dust sampling sealing socket | |
| CN212646019U (en) | Be used for spiral case passageway to block up detection device | |
| CN2200098Y (en) | Bellows sealing universal compensator | |
| CN102853976B (en) | Online leakage detection method and device thereof for heat treatment furnace radiant tube | |
| CN207933487U (en) | A kind of Wall of Blast Furnace temperature monitoring device | |
| CN216550510U (en) | Blast furnace tuyere small sleeve quick leakage detection device | |
| CN219694447U (en) | Online leakage detection device for blast furnace tuyere small sleeve | |
| KR100752126B1 (en) | System for detecting and controling initial trouble in the cooling chamber for coke dry quencher | |
| CN219453684U (en) | Heating power pipeline leakage detection equipment | |
| CN105484688B (en) | A kind of anchoring drilling machine reacting cycle device | |
| CN204142298U (en) | A kind of inner chamber protector of Venturi tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |