CN114413103B - Blast furnace gas leakage plugging device - Google Patents
Blast furnace gas leakage plugging device Download PDFInfo
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- CN114413103B CN114413103B CN202210124053.9A CN202210124053A CN114413103B CN 114413103 B CN114413103 B CN 114413103B CN 202210124053 A CN202210124053 A CN 202210124053A CN 114413103 B CN114413103 B CN 114413103B
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- gas
- plugging
- air duct
- sealing
- fixing
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- 230000007246 mechanism Effects 0.000 claims abstract description 200
- 238000007789 sealing Methods 0.000 claims abstract description 91
- 230000000903 blocking effect Effects 0.000 claims abstract description 52
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 71
- 238000001514 detection method Methods 0.000 claims description 61
- 238000010438 heat treatment Methods 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000003034 coal gas Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000009628 steelmaking Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 151
- 239000000446 fuel Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention is suitable for the technical field of blast furnace ironmaking, provides a blast furnace gas leakage plugging device, is used for plugging leakage of a steelmaking exhaust pipe, and solves the problem that the contact position of a sealing plate and a cooling water pipe cannot be sealed due to the fact that the position of the sealing plate of the traditional device is not adjustable; comprising the following steps: the gas-guide pipe is arranged in the plugging main body and used for discharging gas, and the plugging main body comprises a sealing part, and a sealing cavity is formed by surrounding the sealing part and the gas-guide pipe; the gas blocking mechanism is used for blocking the leakage position on the surface of the gas guide pipe in the sealing cavity; at least one group of air duct fixing mechanisms are used for fixing the air duct and are fixedly connected with the sealing part; the invention is provided with the air duct fixing mechanism for fixing the air duct, is suitable for air ducts of different models, facilitates the blocking of the leakage position of the air duct, and ensures the smooth completion of the blocking work by matching with the gas blocking mechanism.
Description
Technical Field
The invention belongs to the technical field of blast furnace ironmaking, and particularly relates to a blast furnace gas leakage plugging device.
Background
Blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process. The main components of the gas fuel are 6-12% of carbon dioxide, 28-33% of carbon monoxide, 1-4% of hydrogen, 55-60% of nitrogen and 0.2-0.5% of hydrocarbon and a small amount of sulfur dioxide, and blast furnace gas generated in blast furnace ironmaking is directly discharged, so that the gas fuel not only pollutes the external environment, but also causes accidents and resource waste, and generally, for such low-heat-value gas fuel, metallurgical enterprises can be used as self-used fuel gas, such as steel ingot heated by hot rolling, preheated steel ladle and the like, but also can be supplied for civil use, and if coke oven gas is added, the gas fuel is called mixed gas.
In the process of transferring blast furnace gas, the recently discharged blast furnace gas is leaked in high-temperature dust in the process of passing through a cooler cold pot, so that internal and external thermal stress is caused to be repeatedly stretched and sheared to act on the cooler, a sleeve pipe (a corrugated compensator) of a cooling water pipe is caused to generate rust and cracks, and a large amount of gas with pressure in the blast furnace is caused to leak; however, the position of the sealing plate of the device is not adjustable, so that the contact position of the sealing plate and the cooling water pipe cannot be sealed, and further, the gas and sealing materials leak again, and therefore, the blast furnace gas leakage plugging device is provided.
Disclosure of Invention
The invention provides a blast furnace gas leakage plugging device, which aims to solve the problem that the contact position of a sealing plate and a cooling water pipe cannot be sealed due to the fact that the position of the sealing plate of the traditional device is not adjustable.
The invention is realized in that a blast furnace gas leakage plugging device comprises:
the sealing device comprises a sealing main body, wherein an air duct for discharging coal gas is arranged in the sealing main body, the sealing main body comprises a sealing part, the sealing part is sleeved outside the air duct, and a sealing cavity is formed by surrounding the sealing part and the air duct, so that the leakage of gas in the air duct is avoided;
the gas blocking mechanism is used for blocking the leakage position on the surface of the air duct in the sealing cavity, and is communicated with a blocking material supply part for supplying blocking materials;
and the air duct fixing mechanism is used for fixing the air duct and is fixedly connected with the sealing part to assist the gas blocking mechanism to work.
Preferably, the device further comprises a plugging mechanism adjusting assembly for adjusting the position of the gas plugging mechanism along the extension direction of the gas guide tube and arranged in the sealing cavity, wherein the plugging mechanism adjusting assembly comprises:
the plugging mechanism driving part is used for providing a power source for the movement of the gas plugging mechanism and is fixedly arranged in the sealing part;
the plugging mechanism driving part is fixedly connected with the plugging mechanism driving part, and one side of the plugging mechanism driving part is provided with a plugging mechanism driven part;
a plugging mechanism adjusting part fixedly connected with the driven part of the plugging mechanism, two ends of the plugging mechanism adjusting part are connected with the sealing part, and
and the blocking mechanism moving part is connected with the gas blocking mechanism, is sleeved on the blocking mechanism adjusting part, and one side of the blocking mechanism moving part is fixedly connected with the gas blocking mechanism.
Preferably, the plugging material supply part comprises a plugging material storage part and a discharging part arranged in the plugging material storage part, wherein the discharging part is used for discharging plugging material in the plugging material storage part, the plugging material is used for plugging the gas leakage position on the gas guide pipe, and the plugging material storage part is communicated with the gas plugging mechanism through the material guide part and is used for supplying the plugging material to the gas plugging mechanism.
Preferably, the gas shutoff mechanism includes:
the sealing device comprises a sealing part, a sealing mechanism moving part and a sealing mechanism moving part, wherein the sealing mechanism moving part is fixedly connected with the sealing part;
the gas blocking assembly is used for blocking the leakage part of the air duct and is arranged in the blocking mechanism mounting groove;
the gas shutoff assembly includes:
the gas blocking piece is communicated with the material flow guiding part in a penetrating way;
the plugging piece driving mechanism is arranged in the plugging mechanism mounting groove and used for adjusting the position of the gas plugging piece, and
and the material heating mechanism is used for heating the gas in the plugging mechanism mounting groove and assisting the plugging material to keep the shape of the fluid.
Preferably, the closure driving mechanism comprises:
the plugging piece driving part is fixedly arranged in the plugging mechanism mounting groove;
the plugging piece adjusting part is arranged on one side of the plugging piece driving part and is used for driving the gas plugging piece to swing and adjusting the inclination angle of the gas plugging piece, and the plugging piece adjusting part is respectively connected with the plugging piece driving part and the gas plugging piece;
the material heating mechanism includes:
the heating installation seat is fixedly arranged in the plugging mechanism installation groove, and a heating installation groove is formed in the heating installation seat;
at least one group of dust collecting parts for collecting dust on the surface of the air duct;
the heating piece is used for heating the gas in the mounting groove of the plugging mechanism and transferring heat to the plugging material;
and the heat dissipation piece is used for absorbing heat generated by the heating piece and heating the plugging material.
Preferably, the airway fixing mechanism includes:
the air duct fixing seat is sleeved outside the air duct and used for fixing the air duct, and an air duct fixing groove is formed in the air duct fixing seat;
the fixing mechanism mounting piece is arranged in the air duct fixing groove and used for mounting the air duct fixing assembly;
the air duct fixing assembly is used for limiting the air duct;
the airway fixing assembly includes:
the air duct driving part provides a power source for movement of the air duct;
the air duct transmission part is in sliding connection with the fixing mechanism mounting part and is used for transmitting power of the air duct driving part;
at least one group of air duct pushing parts are connected with the air duct transmission part, and the other end of the air duct pushing parts is connected with the air duct clamping part;
the air duct clamping part is movably mounted in the clamping part mounting seat, clamping part limiting pieces used for limiting the air duct clamping part are arranged in the clamping part mounting seat corresponding to the air duct clamping part, the clamping part limiting pieces are in sliding connection with the air duct clamping part, the air duct clamping part comprises clamping pieces and clamping connecting pieces connected with the clamping pieces, and the clamping connecting pieces are in sliding connection with the clamping part limiting pieces.
Preferably, still including being used for clearing up the air duct dust removal mechanism on air duct surface, air duct dust removal mechanism sets up in sealed intracavity, air duct dust removal mechanism includes:
at least one group of air duct dust removing parts which are connected with the sealing cavity in a sliding way;
the air duct dust removing cavity is arranged in the air duct dust removing part, and an air duct dust removing component is arranged in the air duct dust removing cavity;
the airway dust removal assembly includes:
the dust removal driving part, the output of dust removal driving part fixedly connected with at least one group of dust extraction spare, the dust extraction spare is used for sucking in the dust on air duct surface.
Preferably, the sealing device further comprises a leak detection mechanism provided in the sealing chamber, the leak detection mechanism being for detecting gas leaking from the airway, the leak detection mechanism comprising:
at least one group of gas treatment parts arranged in the sealing cavity and used for treating leaked gas;
and the gas detection assembly is communicated with the gas treatment part and is used for detecting leaked gas.
Preferably, the gas detection assembly comprises:
the detection component mounting seat is fixedly arranged in the sealing cavity;
at least one set of gas detection portions provided in the detection module mounting portion;
the gas detection section includes:
the exhaust cavity is communicated with the gas treatment part;
the detection part driving piece is arranged in the exhaust cavity and fixedly arranged in the exhaust cavity;
and the detection rotating part is fixedly connected with the detection part driving piece and is used for increasing the contact area between the detection rotating part and the leaked gas.
Preferably, the detection rotating part includes:
the detection rotating seat is fixedly connected with the detection part driving piece;
the gas cutting parts are used for turbulent flow of leaked gas and fixedly connected with the detection rotating seat, and a gas cutting groove is formed in each gas cutting part;
and the gas absorption part is fixedly arranged on the absorption part fixing frame and is used for absorbing leakage gas.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
the invention is provided with the air duct fixing mechanism for fixing the air duct, is suitable for air ducts of different models, facilitates the blocking of the leakage position of the air duct, and ensures the smooth completion of the blocking work by matching with the gas blocking mechanism.
Drawings
Fig. 1 is a schematic structural view of a blast furnace gas leakage plugging device provided by the invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a partially enlarged schematic structural view of a in fig. 1.
Fig. 4 is a schematic structural view of a gas shutoff mechanism provided by the invention.
Fig. 5 is a schematic structural view of the plugging portion according to the present invention.
Fig. 6 is a schematic structural view of a gas shutoff assembly provided by the present invention.
Fig. 7 is a schematic structural view of a material heating mechanism provided by the present invention.
Fig. 8 is a schematic structural view of an airway fixing mechanism provided by the present invention.
Fig. 9 is a schematic structural view of an airway fixing assembly provided by the present invention.
Fig. 10 is a schematic structural diagram of an air duct dust removing mechanism provided by the invention.
Fig. 11 is a schematic structural view of a leak detection mechanism provided by the present invention.
Fig. 12 is a schematic diagram of a gas detection unit according to the present invention.
Fig. 13 is a schematic structural view of a detection rotating portion provided by the present invention.
Fig. 14 is a schematic structural view of a gas cutting member provided by the present invention.
In the figure: 1-plugging body, 11-seal, 12-seal cavity, 2-airway fixing mechanism, 21-airway fixing seat, 22-airway fixing groove, 23-airway fixing component, 231-clamp mounting seat, 232-clamp limiter, 233-clamp connector, 234-clamp, 235-airway pushing part, 24-airway transmission part, 25-airway driving part, 26-fixing mechanism mounting piece, 3-leak detection mechanism, 31-gas treatment part, 32-gas detection component, 321-detection component mounting seat, 4-gas detection part, 41-exhaust cavity, 42-detection rotation part, 421-detection rotation seat, 422-gas cutting part, 423-absorption part fixing frame, and 424-gas absorber, 425-gas cutting tank, 426-component analysis section, 43-detection section drive, 5-plugging mechanism adjustment module, 51-plugging mechanism drive, 52-plugging mechanism drive, 53-plugging mechanism driven section, 54-plugging mechanism adjustment section, 55-gas plugging mechanism, 551-plugging sleeve section, 6-plugging material supply section, 61-material storage section, 7-gas plugging module, 71-plugging member adjustment section, 72-plugging member drive, 73-gas plugging member, 74-material heating mechanism, 741-heating mount, 742-heating mount tank, 743-dust collecting member, 744-heat sink, 745-heating member, 8-airway dust removing mechanism, 81-air duct dust removing part, 82-air duct dust removing cavity, 83-air duct dust removing component, 84-dust removing driving part and 85-dust extracting part.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Example 1
The embodiment of the invention provides a blast furnace gas leakage plugging device, as shown in figures 1-2, which comprises:
the gas-guide pipe for discharging gas is arranged in the plugging main body 1, the plugging main body 1 comprises a sealing part 11, the sealing part 11 is sleeved outside the gas-guide pipe, and a sealing cavity 12 is formed by surrounding the sealing part 11 and the gas-guide pipe, so that gas leakage in the gas-guide pipe is avoided;
the gas blocking mechanism 55 is used for blocking the leakage position on the surface of the air duct in the sealing cavity 12, and the gas blocking mechanism 55 is communicated with a blocking material supply part 6 for supplying blocking material;
at least one group of air duct fixing mechanisms 2 is used for fixing the air duct, and the air duct fixing mechanisms 2 are fixedly connected with the sealing part 11 to assist the gas blocking mechanism 55 to work.
In this embodiment, set up air duct fixed establishment 2, fixed the air duct, be adapted to the air duct of different models simultaneously, made things convenient for carrying out the shutoff to air duct leakage position department, cooperation gas shutoff mechanism 55 work simultaneously has guaranteed the completion smoothly of shutoff work.
When the embodiment of the invention works, the plugging main body 1 is sleeved outside the air duct to be plugged, meanwhile, in the embodiment, the air duct can be an exhaust pipe connected with an iron-making furnace or a corrugated pipe used for cooling the air duct, the plugging main body 1 can plug the air ducts in different models and different environments, and meanwhile, during installation, the two sides of the plugging main body 1 are respectively connected with the air duct fixing mechanism 2, thereby realizing the fixing of the position of the air duct and the sealing of the joint, further reducing the plugging difficulty and improving the plugging efficiency.
In this embodiment, the sealing portion 11 adopts at least two sets of annular pipe locks, and annular pipe lock department passes through sealing flange and clamp cooperation work, has avoided leaking to the gaseous in-process of air duct shutoff, and sealing portion 11 adopts alloy material or stereoplasm PVC material, and in order to solve shutoff material and adsorb on the inner wall of sealing portion 11, the inner wall polishing of sealing portion 11 handles.
Example 2
In a further preferred embodiment of the present invention, as shown in fig. 3, the present embodiment further includes a plugging mechanism adjusting assembly 5 for adjusting the position of the gas plugging mechanism 55 along the extension direction of the gas guide tube, and disposed in the sealing cavity 12, the plugging mechanism adjusting assembly 5 includes:
a blocking mechanism driving part 51 for providing a power source for the movement of the gas blocking mechanism 55 and fixedly installed in the sealing part 11;
a plugging mechanism driving part 52 fixedly connected with the plugging mechanism driving part 51, wherein one side of the plugging mechanism driving part is provided with a plugging mechanism driven part 53;
the plugging mechanism comprises a plugging mechanism adjusting part 54 fixedly connected with a plugging mechanism driven part 53, two ends of the plugging mechanism adjusting part 54 are connected with a sealing part 11, and a plugging mechanism moving part connected with a gas plugging mechanism 55, wherein the plugging mechanism moving part is sleeved on the plugging mechanism adjusting part 54, and one side of the plugging mechanism moving part is fixedly connected with the gas plugging mechanism 55.
In this embodiment, during installation, the plugging mechanism driving portion 51 is disposed at any position on the inner wall of the sealing portion 11, the plugging mechanism driving portion 51 is fixed by a clamp or a bolt, so that falling of the plugging mechanism driving portion 51 is avoided, the plugging mechanism driving portion 51 is a permanent magnet synchronous motor or an alternating current commutator motor, an output end of the plugging mechanism driving portion 51 is connected with the plugging mechanism driving portion 52 in an interference fit manner, the plugging mechanism driving portion 52 is embedded in the sealing portion 11, the plugging mechanism driving portion 52 and the plugging mechanism driven portion 53 are gears, and are engaged with each other for transmission, meanwhile, the plugging mechanism adjusting portion 54 can be a threaded rod structure, two ends of the plugging mechanism adjusting portion 54 are respectively connected with the sealing portion 11 in a rotating manner through bearings, the plugging mechanism driven portion 53 is sleeved on the middle portion or two sides of the plugging mechanism adjusting portion 54, the plugging mechanism moving portion is sleeved on the plugging mechanism adjusting portion 54 in a threaded block or threaded ring structure.
When the gas plugging mechanism 55 is required to be adjusted in position during operation, the plugging mechanism driving part 51 is started, the plugging mechanism driving part 51 drives the plugging mechanism driving part 52 to rotate, the plugging mechanism driving part 52 drives the plugging mechanism adjusting part 54 to rotate, the plugging mechanism adjusting part 54 drives the plugging mechanism moving part to move, the position of the gas plugging mechanism 55 is adjusted, and then the gas plugging mechanism 55 can perform plugging operation on leakage positions of different positions of the gas guide pipe.
In a further preferred embodiment of the present invention, as shown in fig. 1, the plugging material providing part 6 includes a plugging material storage part 61 and a discharging part disposed in the plugging material storage part 61, wherein the discharging part is used for discharging the plugging material in the plugging material storage part 61, the plugging material is used for plugging the gas leakage position on the gas guide pipe, and the plugging material storage part 61 is communicated with the gas plugging mechanism 55 through the material guiding part and is used for providing the plugging material to the gas plugging mechanism 55.
In this embodiment, the plugging material storage portion 61 is a round tank made of steel, in order to facilitate control of the outflow speed of the plugging material, an electromagnetic control valve is installed on the plugging material storage portion 61, a discharging piece is fixedly installed at the discharging end of the plugging material storage portion 61, and a water pump is adopted for the discharging piece, so that the plugging material is conveniently extracted, the plugging material is chemical grouting material or asphalt, the plugging effect is ensured, and in order to adapt to the continuously moving gas plugging mechanism 55, a telescopic guide pipe is selected for the material guide portion, so that the plugging material is supplied to the gas plugging mechanism 55 at different positions.
Example 3
In a further preferred embodiment of the present invention, as shown in fig. 4-5, the gas shutoff mechanism 55 includes:
the sealing device comprises a sealing part 11, a sealing part 551, a sealing mechanism moving part, a sealing mechanism mounting groove and a sealing mechanism fixing part, wherein the sealing part 551 is connected with the sealing part 11 in a sliding way, and one side of the sealing part 551 is fixedly connected with the sealing mechanism moving part;
at least one group of gas blocking components 7, wherein the gas blocking components 7 are used for blocking leakage parts of the air guide pipe, and the gas blocking components 7 are arranged in the blocking mechanism mounting groove.
In this embodiment, the plugging portion 551 is a metal ring or a metal rectangular seat structure, and the inner wall of the sealing portion 11 is provided with multiple groups of horizontal sliding rails and horizontal sliding grooves for limiting the plugging portion 551, so that the plugging portion 551 is prevented from falling off, the further gas plugging assembly 7 is circumferentially arranged on the inner wall of the plugging portion 551, the problem that the existing plugging device or curing device always has dead angles can be solved, and the plugging difficulty is further reduced.
In one embodiment of the present invention, as shown in fig. 6, the gas shutoff assembly 7 includes:
the gas blocking piece 73 is communicated with the material flow guiding part in a penetrating way;
a stopper driving mechanism provided in the stopper mounting groove for adjusting the position of the gas stopper 73, and
and a material heating mechanism 74 for heating the gas in the plugging mechanism installation groove to assist the plugging material in maintaining the fluid shape.
In this embodiment, the gas plugging member 73 adopts a conical nozzle cylindrical nozzle, in order to prevent the gas from flowing backward, a check valve is arranged in the gas plugging member 73, so that the problem is solved, the plugging member driving mechanism acts on the plugging member driving mechanism, the adjustment of the position of the gas plugging member 73 is realized, the plugging range is obviously improved, and the material heating mechanism 74 can work in cooperation with the gas plugging member 73, so that the material solidification is avoided, and the more sufficient adhesion of the material to the surface of the gas guide tube is ensured.
In a further preferred embodiment of the present invention, as shown in fig. 6, the closure driving mechanism comprises:
the plugging piece driving part 72 is fixedly arranged in the plugging mechanism mounting groove;
the plugging member adjusting part 71 is disposed at one side of the plugging member driving part 72, and is used for driving the gas plugging member 73 to swing, and adjusting the inclination angle of the gas plugging member 73, and is connected with the plugging member driving part 72 and the gas plugging member 73 respectively.
In this embodiment, the plugging member driving part 72 is a bidirectional asynchronous motor, the plugging member driving part 72 is fixed in the plugging mechanism installation groove by bolts, the plugging member adjusting part 71 is of a stainless steel circular plate or disc structure, and the eccentric position of the side wall of the plugging member adjusting part 71 is connected with the gas plugging member 73 by a buckle or a bolt.
In another embodiment of the present invention, as shown in fig. 7, the material heating mechanism 74 includes:
a heating installation seat 741 fixedly arranged in the plugging mechanism installation groove, wherein a heating installation groove 742 is formed in the heating installation seat 741;
at least one set of dust collecting members 743 for collecting dust on the surface of the air duct;
a heating element 745 for heating the gas in the plugging mechanism installation groove and transferring heat to the plugging material;
the heat sink 744 is used for absorbing heat generated by the heating element 745 and heating the plugging material.
In this embodiment, the heating mount 741 is a rectangular plate or a circular plate structure, two ends of the heating mount 741 are fixedly connected with the mounting groove of the plugging mechanism through a buckle, and the heat dissipation member 744 is a circular rod or column structure, so that the contact area between the heat dissipation member 744 and the heating member 745 is increased, the heat dissipation member 744 is made of heat dissipation material, the heating member 745 is sleeved on the outer wall of the heat dissipation member 744, the heating member 745 is in a spiral or annular structure, the dust collection member 743 is in a circular or square structure, and is symmetrically arranged with respect to the heat dissipation member 744, so that dust can be adsorbed during the operation of the gas plugging member 73, and the influence of the dust on the surface of the air duct on the plugging of the air duct is avoided.
Example 4
In a further preferred embodiment of the present invention, as shown in fig. 8, the airway fixing mechanism 2 includes:
the air duct fixing seat 21 is sleeved outside the air duct and used for fixing the air duct, and an air duct fixing groove 22 is formed in the air duct fixing seat 21;
a fixing mechanism mounting member 26 mounted in the air duct fixing groove 22 for mounting the air duct fixing assembly 23;
and the air duct fixing assembly 23 is used for limiting the air duct.
In this embodiment, the air duct fixing seat 21 is fixedly connected with the sealing portion 11 by seamless welding or embedded snap connection, the fixing mechanism mounting member 26 is of an annular frame structure, and the fixing mechanism mounting member 26 is fixedly connected with the air duct fixing groove 22 by bolts.
In another embodiment of the present invention, as shown in fig. 9, the airway fixing assembly 23 includes:
an air duct driving part 25, wherein the air duct driving part 25 provides a power source for the movement of the air duct;
the air duct transmission part 24 is in sliding connection with the fixing mechanism mounting piece 26 and is used for transmitting power of the air duct driving part 25;
at least one group of air duct pushing parts 235 connected with the air duct transmission part 24, and the other end is connected with an air duct clamping part;
the air duct clamping part is movably arranged in the clamping part mounting seat 231, a clamping part limiting part 232 used for limiting the air duct clamping part is arranged in the clamping part mounting seat 231 corresponding to the air duct clamping part, the clamping part limiting part 232 is in sliding connection with the air duct clamping part, the air duct clamping part comprises a clamping part 234 and a clamping connecting part 233 connected with the clamping part 234, and the clamping connecting part 233 is in sliding connection with the clamping part limiting part 232.
In this embodiment, the air duct driving part 25 adopts a hydraulic cylinder, a cylinder or an electric push rod, the air duct driving part 24 is of a hinged seat structure, the air duct driving part 24 is obliquely arranged, and is circumferentially and uniformly distributed on one side of the air duct driving part 24, the air duct driving part 24 is hinged with the air duct pushing part 235, the other end of the air duct driving part is hinged with an air duct clamping part, and the air duct clamping part can clamp air ducts of different types, so that the falling of the air duct is avoided, and the sealing performance of the joint is also ensured.
When the air duct needs to be clamped, the air duct driving part 25 is started, the air duct driving part 25 drives the air duct driving part 24, and the air duct driving part 24 drives the air duct pushing part 235 to move, so that the air duct pushing part 235 drives the air duct clamping part to move, and clamping of air ducts of different models is realized.
In this embodiment, the clamping member 234 is a clamping plate, which is made of an elastomer material to prevent the air duct from falling off, and also can protect the air duct, and meanwhile, the clamping connector 233 and the clamping member 234 are circumferentially disposed with respect to the clamping member mounting seat 231, the clamping member mounting seat 231 is a circular seat or rectangular seat structure, and the clamping member limiting member 232 is a guiding rod-shaped structure for limiting the clamping member 234 and the clamping connector 233.
Example 5
In a further preferred embodiment of the present invention, as shown in fig. 10, the embodiment of the present invention further includes an air duct dust removing mechanism 8 for cleaning the surface of the air duct, the air duct dust removing mechanism 8 is disposed in the sealed cavity 12, and the air duct dust removing mechanism 8 includes:
at least one group of air duct dust removing parts 81, wherein the air duct dust removing parts 81 are in sliding connection with the sealing cavity 12;
the air duct dust removing cavity 82 is arranged in the air duct dust removing part 81, and the air duct dust removing component 83 is arranged in the air duct dust removing cavity 82.
In this embodiment, a cylinder or a hydraulic cylinder for adjusting the position of the air duct dust removing part 81 is fixedly connected to one side of the air duct dust removing part 81, and when the air duct dust removing device is in operation, the cylinder or the hydraulic cylinder is started, so that the movement of the position of the air duct dust removing part 81 is realized, and the air duct dust removing part 81 is of an annular or rectangular seat structure and hollow inside.
In another embodiment of the present invention, the air duct dust removing assembly 83 includes:
the output end of the dust removal driving part 84 is fixedly connected with at least one group of dust extraction pieces 85, and the dust extraction pieces 85 are used for sucking dust on the surface of the air duct.
In this embodiment, the dust removal driving part 84 is fixedly installed in the dust removal cavity 82 of the air duct through a bolt, and the dust extraction member 85 is in a fan blade or blade structure, and is arranged on the side wall of the dust removal driving part 84 in a anticlockwise circumferential direction, the dust removal driving part 84 adopts a servo motor, and when in operation, the dust removal driving part 84 is started, the dust extraction driving part 84 drives the dust extraction member 85 to rotate, so that dust on the surface of the air duct can be fully absorbed, and the blocking work of the auxiliary air duct is facilitated.
Example 6
In a further preferred embodiment of the present invention, as shown in fig. 11, the embodiment of the present invention further includes a leak detection mechanism 3 disposed in the seal chamber 12, the leak detection mechanism 3 being for detecting gas leaking from the airway, the leak detection mechanism 3 including:
at least one set of gas treatment sections 31 provided in the seal chamber 12 for treating leaked gas;
and a gas detection unit 32 communicating with the gas treatment unit 31, the gas detection unit 32 being configured to detect a leaking gas.
In this embodiment, the gas treatment portion 31 is circumferentially disposed in the seal cavity 12, the gas treatment portion 31 may be a filter box, in which a filter is filled for absorbing exhaust gas and coal gas, and the gas treatment portion 31 may also be a fiber filter screen or an activated carbon filter screen structure, so as to implement sufficient filtering treatment of leaked gas and avoid pollution to the outside air.
In a further preferred embodiment of the present invention, the gas detection assembly 32 comprises:
the detection component mounting seat 321, wherein the detection component mounting seat 321 is fixedly arranged in the sealing cavity 12;
at least one group of gas detecting portions 4, the gas detecting portions 4 being provided in the detecting component mounting portion.
In this embodiment, the detecting component mounting seat 321 is hollow, and the shape of the inner wall of the detecting component mounting seat is adapted to the air duct, which is not limited herein, and the gas detecting portion 4 can detect the leaked gas in real time, and can simultaneously transmit the number and the type of the leakage in real time, so as to play a role in assisting the blocking operation of the staff.
In another embodiment of the present invention, as shown in fig. 12, the gas detection section 4 includes:
a gas discharge chamber 41, wherein the gas discharge chamber 41 communicates with the gas treatment section 31;
a detection section driving piece 43 provided in the exhaust chamber 41, the detection section driving piece 43 being fixedly provided in the exhaust chamber 41;
the detection rotating portion 42 fixedly connected to the detection portion driving member 43 serves to increase the contact area with the leaked gas.
In this embodiment, the exhaust cavity 41 is circumferentially disposed in the detecting component mounting seat 321, and meanwhile, the detecting part driving member 43 adopts an electric motor structure, and when in operation, the detecting part driving member 43 drives the detecting rotating part 42 to rotate, so that not only the circulation of air in the sealing cavity 12 is driven, but also the contact area between a large amount of air and the detecting rotating part 42 is increased, and the accuracy of detection is ensured.
In a further preferred embodiment of the present invention, as shown in fig. 13-14, the detecting rotation part 42 includes:
a detection rotary seat 421, wherein the detection rotary seat 421 is fixedly connected with the detection part driving member 43;
at least one group of gas cutting pieces 422 for turbulent flow of leaked gas, the gas cutting pieces 422 are fixedly connected with the detection rotating seat 421, and a gas cutting groove 425 is arranged in the gas cutting pieces 422;
and a gas absorbing part 424, the gas absorbing part 424 is fixedly installed on the absorbing part fixing frame 423, and the gas absorbing part 424 is used for absorbing leakage gas.
In this embodiment, the detecting rotary seat 421 is hollow, and is rotationally connected with the exhaust chamber 41 through a bearing ring, the gas absorbing portion 424 is a circular tube or a cylinder for absorbing gas, which is fastened or welded on the absorbing portion fixing frame 423, the absorbing portion fixing frame 423 is fixedly connected with the detecting rotary seat 421 through a bolt, meanwhile, a component analysis portion 426 is provided at a central position of the absorbing portion fixing frame 423, and the component analysis portion 426 is a gas component analysis detector, and the model is a prior art, and is not limited herein.
In summary, the present invention provides a blast furnace gas leakage plugging device, in this embodiment, an air duct fixing mechanism 2 is provided to fix an air duct, and is adapted to air ducts of different models, so that plugging of the leakage position of the air duct is facilitated, and meanwhile, the plugging is ensured to be completed smoothly by matching with a gas plugging mechanism 55.
It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, such as the above-described division of units, merely a division of logic functions, and there may be additional manners of dividing in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A blast furnace gas leakage plugging device, characterized in that the blast furnace gas leakage plugging device comprises:
the sealing device comprises a sealing main body, wherein an air duct for discharging coal gas is arranged in the sealing main body, the sealing main body comprises a sealing part, the sealing part is sleeved outside the air duct, and a sealing cavity is formed by surrounding the sealing part and the air duct, so that the leakage of gas in the air duct is avoided;
the gas blocking mechanism is used for blocking the leakage position on the surface of the air duct in the sealing cavity, and is communicated with a blocking material supply part for supplying blocking materials;
at least one group of air duct fixing mechanisms are used for fixing the air duct, and the air duct fixing mechanisms are fixedly connected with the sealing part to assist the gas blocking mechanism to work;
the plugging mechanism adjusting assembly is used for adjusting the position of the gas plugging mechanism along the extension direction of the gas guide pipe and is arranged in the sealing cavity;
the plugging mechanism adjusting assembly comprises:
the plugging mechanism driving part is used for providing a power source for the movement of the gas plugging mechanism and is fixedly arranged in the sealing part;
the plugging mechanism driving part is fixedly connected with the plugging mechanism driving part, and one side of the plugging mechanism driving part is provided with a plugging mechanism driven part;
a plugging mechanism adjusting part fixedly connected with the driven part of the plugging mechanism, two ends of the plugging mechanism adjusting part are connected with the sealing part, and
the blocking mechanism moving part is connected with the gas blocking mechanism, is sleeved on the blocking mechanism adjusting part, and one side of the blocking mechanism moving part is fixedly connected with the gas blocking mechanism;
the plugging material supply part comprises a plugging material storage part and a discharging part arranged in the plugging material storage part, wherein the discharging part is used for discharging plugging material in the plugging material storage part, the plugging material is used for plugging the gas leakage position on the gas guide pipe, and the plugging material storage part is communicated with the gas plugging mechanism through the material guide part and is used for supplying the plugging material to the gas plugging mechanism;
the gas shutoff mechanism includes:
the sealing device comprises a sealing part, a sealing mechanism moving part and a sealing mechanism moving part, wherein the sealing mechanism moving part is fixedly connected with the sealing part;
the gas blocking assembly is used for blocking the leakage part of the air duct and is arranged in the blocking mechanism mounting groove;
the gas shutoff assembly includes:
the gas blocking piece is communicated with the material flow guiding part in a penetrating way;
the plugging piece driving mechanism is arranged in the plugging mechanism mounting groove and used for adjusting the position of the gas plugging piece, and
the material heating mechanism is used for heating the gas in the plugging mechanism mounting groove and assisting the plugging material to keep the shape of the fluid;
the closure drive mechanism includes:
the plugging piece driving part is fixedly arranged in the plugging mechanism mounting groove;
the plugging piece adjusting part is arranged on one side of the plugging piece driving part and is used for driving the gas plugging piece to swing and adjusting the inclination angle of the gas plugging piece, and the plugging piece adjusting part is respectively connected with the plugging piece driving part and the gas plugging piece;
the material heating mechanism includes:
the heating installation seat is fixedly arranged in the plugging mechanism installation groove, and a heating installation groove is formed in the heating installation seat;
at least one group of dust collecting parts for collecting dust on the surface of the air duct;
the heating piece is used for heating the gas in the mounting groove of the plugging mechanism and transferring heat to the plugging material;
and the heat dissipation piece is used for absorbing heat generated by the heating piece and heating the plugging material.
2. The blast furnace gas leakage plugging device according to claim 1, wherein said gas-guide pipe fixing mechanism comprises:
the air duct fixing seat is sleeved outside the air duct and used for fixing the air duct, and an air duct fixing groove is formed in the air duct fixing seat;
the fixing mechanism mounting piece is arranged in the air duct fixing groove and used for mounting the air duct fixing assembly;
the air duct fixing assembly is used for limiting the air duct;
the airway fixing assembly includes:
the air duct driving part provides a power source for movement of the air duct;
the air duct transmission part is in sliding connection with the fixing mechanism mounting part and is used for transmitting power of the air duct driving part;
at least one group of air duct pushing parts are connected with the air duct transmission part, and the other end of the air duct pushing parts is connected with the air duct clamping part;
the air duct clamping part is movably mounted in the clamping part mounting seat, clamping part limiting pieces used for limiting the air duct clamping part are arranged in the clamping part mounting seat corresponding to the air duct clamping part, the clamping part limiting pieces are in sliding connection with the air duct clamping part, the air duct clamping part comprises clamping pieces and clamping connecting pieces connected with the clamping pieces, and the clamping connecting pieces are in sliding connection with the clamping part limiting pieces.
3. The blast furnace gas leakage plugging device according to claim 1, further comprising an airway dust removing mechanism for cleaning the surface of the airway, the airway dust removing mechanism being disposed in the sealed cavity, the airway dust removing mechanism comprising:
at least one group of air duct dust removing parts which are connected with the sealing cavity in a sliding way;
the air duct dust removing cavity is arranged in the air duct dust removing part, and an air duct dust removing component is arranged in the air duct dust removing cavity;
the airway dust removal assembly includes:
the dust removal driving part, the output of dust removal driving part fixedly connected with at least one group of dust extraction spare, the dust extraction spare is used for sucking in the dust on air duct surface.
4. The blast furnace gas leakage plugging device according to claim 1, further comprising a leakage detection mechanism provided in the seal chamber, the leakage detection mechanism for detecting gas leaking from the gas guide pipe, the leakage detection mechanism comprising:
at least one group of gas treatment parts arranged in the sealing cavity and used for treating leaked gas;
and the gas detection assembly is communicated with the gas treatment part and is used for detecting leaked gas.
5. The blast furnace gas leakage plugging device according to claim 4, wherein said gas detection assembly comprises:
the detection component mounting seat is fixedly arranged in the sealing cavity;
at least one set of gas detection portions provided in the detection module mounting portion;
the gas detection section includes:
the exhaust cavity is communicated with the gas treatment part;
the detection part driving piece is arranged in the exhaust cavity and fixedly arranged in the exhaust cavity;
and the detection rotating part is fixedly connected with the detection part driving piece and is used for increasing the contact area between the detection rotating part and the leaked gas.
6. The blast furnace gas leakage plugging device according to claim 5, wherein said detecting rotation section comprises:
the detection rotating seat is fixedly connected with the detection part driving piece;
the gas cutting parts are used for turbulent flow of leaked gas and fixedly connected with the detection rotating seat, and a gas cutting groove is formed in each gas cutting part;
and the gas absorption part is fixedly arranged on the absorption part fixing frame and is used for absorbing leakage gas.
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| CN202210124053.9A CN114413103B (en) | 2022-02-10 | 2022-02-10 | Blast furnace gas leakage plugging device |
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| CN202210124053.9A CN114413103B (en) | 2022-02-10 | 2022-02-10 | Blast furnace gas leakage plugging device |
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| CN114413103A (en) | 2022-04-29 |
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