CN211079218U

CN211079218U - Mechanical sealing device for reaction converter

Info

Publication number: CN211079218U
Application number: CN201921472962.1U
Authority: CN
Inventors: 黄娟; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-07-24
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a reaction converter mechanical seal device, including converter and furnace, the inside processing of converter has furnace, the inner wall processing of converter has the flame retardant coating, the rear end top rigid coupling of converter has row material pipe, and arranges the material pipe and be linked together with furnace, arrange the inside processing of material pipe and have inferior sealing device. This reaction converter mechanical seal device, through the pneumatic cylinder, the hydraulic stem, the end cover, the snap ring, high temperature seal fills up, the inlet pipe, the intake pipe, a groove, the converter, furnace, the blast pipe, arrange the material pipe, the graphite piece, graphite packing, electric putter, the cooperation between second diaphragm and the wire, the carbon monoxide and the carbon dioxide that the in-process produced can be followed blast pipe and discharged, remove the sealed of snap ring and high temperature seal pad department through the pneumatic cylinder after the completion processing, the sealed of rethread electric putter removal behind the angle of adjustment converter, the poor carbon monoxide and the carbon dioxide leakage that produce of leakproofness among the prior art has been solved, lead to the relatively poor problem of security.

Description

Mechanical sealing device for reaction converter

Technical Field

The utility model relates to a converter technical field specifically is a reaction converter mechanical seal device.

Background

The converter, the furnace body is rotatable, is used for blowing the metallurgical furnace of steel making or converting matte, the converter furnace body is made of steel plate, is cylindrical, the inside lining refractory material, heat by the chemical reaction during converting, do not need the external heating source, it is the most important steelmaking equipment, also can be used for copper, nickel smelting, the converter is divided into basic and acid converter according to the refractory material nature of furnace lining, although prior art can realize the normal use of converter, but prior art has the poor leakproofness and produces carbon monoxide and carbon dioxide leakage, lead to the relatively poor problem of security.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reaction converter mechanical seal device to the leakproofness that provides among the above-mentioned background art is poor to produce carbon monoxide and carbon dioxide and leak, leads to the relatively poor problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reaction converter mechanical seal device, includes converter and furnace, the inside processing of converter has furnace, the inner wall processing of converter has the flame retardant coating, the left and right sides of converter all rotates with the supporting legs through rotary device and links to each other, main sealing device is installed to the upper end of supporting legs, the top center processing of converter is fluted, the rear end top rigid coupling of converter has row's material pipe, and arranges the material pipe and be linked together with furnace, the inside processing of arranging the material pipe has inferior sealing device.

Preferably, rotary device includes first gear, second bearing, first pivot and second pivot, two first pivot rigid coupling is in the left and right sides outer wall center of converter respectively, the outer wall of first pivot is rotated with the supporting legs through first bearing and is linked to each other, the right side the right-hand member rigid coupling of first pivot has first gear, the below of first gear is equipped with the second gear, the inside rigid coupling of second gear has the second pivot, the left side outer wall of second pivot is rotated with the right side supporting legs through the second bearing and is linked to each other, the right-hand member of second pivot links to each other with external driving motor is fixed.

Preferably, the transmission ratio between the second gear and the first gear is 1: 0.75.

preferably, the main sealing device comprises a first oil port, a second oil port, a first transverse plate, a feeding pipe, an end cover, an air inlet pipe, a hydraulic rod, a hydraulic cylinder, a high-temperature sealing gasket, a clamping ring and an exhaust pipe, wherein the two hydraulic cylinders are respectively and fixedly connected above the left and right supporting legs, the hydraulic rod is arranged in the hydraulic cylinder and is attached to the hydraulic cylinder, the first oil port and the second oil port are respectively processed at the upper end and the lower end of the outer side of the hydraulic cylinder, the hydraulic cylinder is communicated with an external oil pump through the first oil port and the second oil port, the upper end of the hydraulic rod is fixedly connected with the end cover through the first transverse plate, the feeding pipe and the air inlet pipe are respectively and fixedly connected in the left and right sides of the end cover, the feeding pipe and the air inlet pipe are in clearance fit with the converter, the high, the high-temperature sealing gasket is tightly attached to the converter and the clamping ring, an exhaust pipe is processed above the inner part of the end cover and is communicated with the hearth through a groove.

Preferably, the feeding pipe and the air inlet pipe are symmetrically arranged by taking the vertical center of the converter as a reference axis.

Preferably, inferior sealing device includes second diaphragm, wire, electric putter, graphite piece, through-hole and graphite sealing washer, the second diaphragm rigid coupling is in the rear end below of converter, the upper end rigid coupling of second diaphragm has electric putter, electric putter is linked together through wire and external power supply, electric putter's inside push rod's top rigid coupling has the graphite piece, both sides all are equipped with the graphite sealing washer about the graphite piece both ends, the graphite sealing washer is closely laminated with the graphite piece, and the graphite sealing washer with arrange the fixed linking to each other of material pipe, electric putter's inside push rod and row material pipe clearance fit.

Compared with the prior art, the beneficial effects of the utility model are that: this reaction converter mechanical seal device, through the pneumatic cylinder, the hydraulic stem, the end cover, the snap ring, the high temperature is sealed to be filled up, the inlet pipe, the intake pipe, a groove, the converter, furnace, the blast pipe, arrange the material pipe, the graphite block, the graphite is sealed to fill up, electric putter, cooperation between second diaphragm and the wire, in molten steel course of working, the snap ring all is in sealedly with high temperature is sealed to fill up and the graphite block and the graphite is sealed to fill up, carbon monoxide and the carbon dioxide that the in-process produced can be followed the blast pipe and discharged, remove the sealed of snap ring and high temperature sealing pad department through the pneumatic cylinder after accomplishing the processing, rethread electric putter removes sealed after the angle of adjustment converter, the poor carbon monoxide and the carbon dioxide leakage that produce among the prior.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic left side view of the rotary kiln, the second cross plate and the wire of FIG. 1;

FIG. 3 is a schematic structural view of the first rotating shaft, the second rotating shaft and the first gear in FIG. 1;

fig. 4 is a schematic structural diagram of the converter, the hearth and the groove in fig. 1.

In the figure: 1. the device comprises a converter, 2, a main sealing device, 201, a first oil port, 202, a second oil port, 203, a first transverse plate, 204, a feeding pipe, 205, an end cover, 206, an air inlet pipe, 207, a hydraulic rod, 208, a hydraulic cylinder, 209, a high-temperature sealing gasket, 210, a clamping ring, 211, an exhaust pipe, 3, a rotating device, 301, a first gear, 302, a second gear, 303, a second bearing, 304, a first bearing, 305, a first rotating shaft, 306, a second rotating shaft, 4, a secondary sealing device, 401, a second transverse plate, 402, a lead, 403, an electric push rod, 404, a graphite block, 405, a through hole, 406, a graphite sealing ring, 5, a supporting leg, 6, a fire-resistant layer, 7, a hearth, 8, a groove, 9 and a discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a mechanical sealing device of a reaction converter comprises a converter 1 and a hearth 7, wherein the hearth 7 is processed inside the converter 1, a fireproof layer 6 is processed on the inner wall of the converter 1, the fireproof layer 6 is built by periclase, the left side and the right side of the converter 1 are rotatably connected with supporting legs 5 through rotating devices 3, a main sealing device 2 is installed at the upper end of each supporting leg 5, a groove 8 is processed in the center above the converter 1 and can exhaust through the groove 8, a discharging pipe 9 is fixedly connected to the upper part of the rear end of the converter 1, the discharging pipe 9 is communicated with the hearth 7, molten steel in the hearth 7 can be discharged from the discharging pipe 9, a secondary sealing device 4 is processed in the discharging pipe 9, the rotating devices 3 comprise first gears 301, second gears 302, second bearings 303, first bearings 304, first rotating shafts 305 and second rotating shafts 306, the two first rotating shafts 305 are respectively and fixedly connected to the centers of the outer walls at the left side and the right side of the converter, the first rotating shaft 305 can drive the converter 1 to rotate, the outer wall of the first rotating shaft 305 is rotatably connected with the supporting legs 5 through a first bearing 304, the supporting legs 5 can support the first rotating shaft 305 through the first bearing 304, the right end of the right first rotating shaft 305 is fixedly connected with a first gear 301, the first gear 301 can drive the first rotating shaft 305 to rotate, a second gear 302 is arranged below the first gear 301, the first gear 301 and the second gear 302 are mutually meshed, so that the second gear 302 can drive the first gear 301 to rotate, a second rotating shaft 306 is fixedly connected inside the second gear 302, the second rotating shaft 306 can drive the second gear 302 to rotate, the left outer wall of the second rotating shaft 306 is rotatably connected with the right supporting legs 5 through a second bearing 303, the right end of the second rotating shaft 306 is fixedly connected with an external driving motor, and the external driving motor can drive the second rotating shaft 306 to support, the transmission ratio between the second gear 302 and the first gear 301 is 1: 0.75, the transmission of the first gear 301 by the second gear 302 is a speed reduction transmission, the main sealing device 2 comprises a first oil port 201, a second oil port 202, a first transverse plate 203, a feeding pipe 204, an end cover 205, an air inlet pipe 206, a hydraulic rod 207, a hydraulic cylinder 208, a high-temperature sealing gasket 209, a clamping ring 210 and an exhaust pipe 211, the two hydraulic cylinders 208 are respectively and fixedly connected above the left supporting leg 5 and the right supporting leg 5, the hydraulic cylinder 208 is a HOB light hydraulic cylinder, the hydraulic rod 207 is arranged inside the hydraulic cylinder 208, the hydraulic rod 207 is attached to the hydraulic cylinder 208, the hydraulic rod 207 can move inside the hydraulic cylinder 208 and keep relative sealing in the moving process, the first oil port 201 and the second oil port 202 are respectively machined at the upper end and the lower end of the outer side of the hydraulic cylinder 208, the hydraulic cylinder 208 is communicated with an external oil pump through the first oil port 201 and the second oil port 202, the oil ports of the first oil port 201 and the second oil port, the upper end of the hydraulic rod 207 is fixedly connected with the end cover 205 through the first transverse plate 203, the hydraulic rod 207 can drive the end cover 205 to move through the first transverse plate 203, the feed pipe 204 and the air inlet pipe 206 are respectively fixedly connected inside the left side and the right side of the end cover 205, the liquid pig iron and oxygen can be respectively conveyed inside the converter 1 through the feed pipe 204 and the air inlet pipe 206, the feed pipe 204 and the air inlet pipe 206 are in clearance fit with the converter 1, the feed pipe 204 and the air inlet pipe 206 can move inside the converter 1, the lower end of the end cover 205 is fixedly connected with a high-temperature sealing gasket 209, the high-temperature sealing gasket 209 is formed by pressing graphite paper or powder, the inner side and the outer side of the upper end of the converter 1 are fixedly connected with clamping rings 210, the converter 1 can support the clamping rings 210, the high-temperature sealing gasket 209 is tightly attached to the converter 1 and the clamping rings 210, and the, an exhaust pipe 211 is processed above the inner part of the end cover 205, the exhaust pipe 211 is communicated with the hearth 7 through a groove 8, so that carbon monoxide and carbon dioxide generated by the reaction in the hearth 7 can be discharged from the exhaust pipe 211 to the outside and collected, the feed pipe 204 and the intake pipe 206 are symmetrically installed with the vertical center of the converter 1 as a reference axis, the secondary sealing device 4 comprises a second transverse plate 401, a lead 402, an electric push rod 403, a graphite block 404, a through hole 405 and a graphite sealing ring 406, the second transverse plate 401 is fixedly connected below the rear end of the converter 1, the converter 1 can support the second transverse plate 401, the upper end of the second transverse plate 401 is fixedly connected with an electric push rod 403, the second transverse plate 401 can fix the position of the electric push rod 403, the electric push rod 403 is communicated with an external power supply through the lead 402, the external power supply can electrically output the electric push rod 403 through the lead 402, the graphite block 404 is, the inner push rod of the electric push rod 403 can drive the graphite block 404 to move. Graphite block 404 all is equipped with graphite seal ring 406 about both ends, graphite seal ring 406 closely laminates with graphite block 404, realize arranging the sealed of expecting pipe 9 through the close laminating between graphite seal ring 406 and the graphite block 404, and graphite seal ring 406 links to each other with row material pipe 9 is fixed, row material pipe 9 can support graphite seal ring 406, electric putter 403's inside push rod and row material pipe 9 clearance fit, electric putter 403's inside push rod can be at the inside removal in below of arranging material pipe 9, the inside processing in top of graphite block 404 has a plurality of through-holes 405, through-hole 405, make the inside intercommunication that can realize in top of graphite block 404.

When the reaction converter mechanical sealing device is required to be used, firstly, the first oil port 201 can be filled with oil, the second oil port 202 is drained with oil, the hydraulic rod 207 is pressed to move upwards, the hydraulic rod 207 can drive the whole end cover 205 to move upwards, then a user can place part of scrap steel into the converter 1, then the first oil port 201 is drained with oil, the second oil port 202 is filled with oil, the end cover 205 is tightly pressed on the upper surface of the converter 1 through the high-temperature sealing gasket 209 again, when the reaction converter mechanical sealing device is required to be used and processed, liquid pig iron and oxygen can be respectively filled into the converter 1 through the feeding pipe 204 and the air inlet pipe 206, the interior of the converter 1 is enabled to be close to the physical heat of the liquid pig iron in the converter 1 and the heat generated by the chemical reaction between each component in the pig iron and the oxygen fed into the converter, so that the metal reaches the components and the temperature required by tapping, and a large amount, will be discharged to the external collection position from the groove 8 and the exhaust pipe 211, after finishing the tapping process, the first oil port 201 can be refilled, the second oil port 202 is drained, the hydraulic rod 207 is forced to move upwards, the hydraulic rod 207 can drive the whole end cover 205 to move upwards, simultaneously the external driving motor is started to drive the second rotating shaft 306 to rotate, the converter 1 is driven to rotate backwards through the cooperation between the first gear 301 and the second gear 302, the discharge pipe 9 is just corresponding to the external molten steel delivery position, the electric push rod 403 is started to rotate forwards, the internal push rod of the electric push rod 403 drives the graphite block 404 to move downwards, the molten steel can be discharged through the through hole 405 above the graphite block 404, the molten steel in the converter 1 can be discharged through the continuous rotation of the external driving motor, finally the external driving motor and the electric push rod 403 are reversed to reset the converter 1 and the graphite block 404, the converter 1 can then be used for the next time.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mechanical sealing device of a reaction converter comprises the converter (1) and a hearth (7), wherein the hearth (7) is processed inside the converter (1), and the mechanical sealing device is characterized in that: the inner wall processing of converter (1) has flame retardant coating (6), the left and right sides of converter (1) all rotates with supporting legs (5) through rotary device (3) and links to each other, main sealing device (2) are installed to the upper end of supporting legs (5), the top center processing of converter (1) is fluted (8), the rear end top rigid coupling of converter (1) has row material pipe (9), and arranges material pipe (9) and is linked together with furnace (7), the inside processing of arranging material pipe (9) has inferior sealing device (4).

2. The mechanical seal device for a reaction converter according to claim 1, wherein: rotating device (3) include first gear (301), second gear (302), second bearing (303), first bearing (304), first pivot (305) and second pivot (306), two first pivot (305) rigid coupling is in the left and right sides outer wall center of converter (1) respectively, the outer wall of first pivot (305) rotates with supporting legs (5) through first bearing (304) and links to each other, the right side the right-hand member rigid coupling of first pivot (305) has first gear (301), the below of first gear (301) is equipped with second gear (302), the inside rigid coupling of second gear (302) has second pivot (306), the left side outer wall of second pivot (306) rotates with right side supporting legs (5) through second bearing (303) and links to each other, the right-hand member of second pivot (306) links to each other with external driving motor is fixed.

3. A mechanical seal for a reaction vessel according to claim 2, wherein: the transmission ratio between the second gear (302) and the first gear (301) is 1: 0.75.

4. the mechanical seal device for a reaction converter according to claim 1, wherein: the main sealing device (2) comprises a first oil port (201), a second oil port (202), a first transverse plate (203), a feeding pipe (204), an end cover (205), an air inlet pipe (206), a hydraulic rod (207), a hydraulic cylinder (208), a high-temperature sealing gasket (209), a clamping ring (210) and an exhaust pipe (211), wherein the two hydraulic cylinders (208) are fixedly connected above the left supporting leg (5) and the right supporting leg (5) respectively, the hydraulic rod (207) is arranged inside the hydraulic cylinder (208), the hydraulic rod (207) is attached to the hydraulic cylinder (208), the upper end and the lower end of the outer side of the hydraulic cylinder (208) are respectively provided with the first oil port (201) and the second oil port (202), the hydraulic cylinder (208) is communicated with an external oil pump through the first oil port (201) and the second oil port (202), the upper end of the hydraulic rod (207) is fixedly connected with the end cover (205) through the, the inside rigid coupling respectively of the left and right sides of end cover (205) has inlet pipe (204) and intake pipe (206), inlet pipe (204) and intake pipe (206) and the equal clearance fit of converter (1), the lower extreme rigid coupling of end cover (205) has high temperature sealing gasket (209), the equal rigid coupling in the inside and outside both sides in upper end of converter (1) has snap ring (210), high temperature sealing gasket (209) and converter (1) and snap ring (210) all closely laminate, the inside top processing of end cover (205) has blast pipe (211), blast pipe (211) are linked together through recess (8) and furnace (7).

5. The mechanical seal device for a reaction converter according to claim 4, wherein: the feeding pipe (204) and the air inlet pipe (206) are installed in an axisymmetric manner by taking the vertical center of the converter (1) as a reference axis.

6. The mechanical seal device for a reaction converter according to claim 1, wherein: the secondary sealing device (4) comprises a second transverse plate (401), a lead (402), an electric push rod (403), a graphite block (404), a through hole (405) and a graphite sealing ring (406), the second transverse plate (401) is fixedly connected below the rear end of the converter (1), the upper end of the second transverse plate (401) is fixedly connected with an electric push rod (403), the electric push rod (403) is communicated with an external power supply through a lead (402), a graphite block (404) is fixedly connected above the inner push rod of the electric push rod (403), graphite sealing rings (406) are respectively arranged at the upper side and the lower side of the left end and the lower side of the right end of the graphite block (404), the graphite sealing rings (406) are tightly attached to the graphite block (404), the graphite sealing ring (406) is fixedly connected with the discharge pipe (9), an inner push rod of the electric push rod (403) is in clearance fit with the discharge pipe (9), a plurality of through holes (405) are machined in the upper inner part of the graphite block (404).