CN117606241B - Carbon black reaction furnace capable of switching oil gun on line - Google Patents
Carbon black reaction furnace capable of switching oil gun on line Download PDFInfo
- Publication number
- CN117606241B CN117606241B CN202410069505.7A CN202410069505A CN117606241B CN 117606241 B CN117606241 B CN 117606241B CN 202410069505 A CN202410069505 A CN 202410069505A CN 117606241 B CN117606241 B CN 117606241B
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- Prior art keywords
- oil gun
- flange
- carbon black
- gun hole
- left end
- Prior art date
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- 239000006229 carbon black Substances 0.000 title claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- 238000007789 sealing Methods 0.000 claims description 56
- 239000002994 raw material Substances 0.000 claims description 31
- 210000004907 gland Anatomy 0.000 claims description 15
- 239000010425 asbestos Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/50—Furnace black ; Preparation thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1808—Removable covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/168—Introducing a fluid jet or current into the charge through a lance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of carbon black reaction furnaces, in particular to a carbon black reaction furnace capable of switching oil guns on line. The invention aims to solve the problems that the time consumption is long and the heat in a carbon black reaction furnace can be lost ineffectively when an oil gun is overhauled and replaced, and provides the carbon black reaction furnace capable of switching the oil gun on line. The structure of the invention effectively improves the production progress of the carbon black.
Description
Technical Field
The invention relates to the technical field of carbon black reaction furnaces, in particular to a carbon black reaction furnace capable of switching oil guns on line.
Background
During the carbon black production operation, the gun nozzle of the oil gun for supplying raw materials needs to be periodically overhauled and replaced. The steps of overhauling and replacing the oil gun are as follows: 1) Stopping the raw material supply to the carbon black reaction furnace, switching to high-temperature high-pressure steam to purge the oil gun, and ensuring no residual oil in the oil gun; 2) Stopping the supply of the gas and the air, and ensuring that the inside of the carbon black reaction furnace is not in a high-pressure state; 3) Disassembling flange connection between the oil gun and the carbon black reaction furnace (the sealing between a raw material supply port of the carbon black reaction furnace and the oil gun is mainly realized through flange connection between the oil gun and the carbon black reaction furnace in the market at present), pulling out the oil gun, and checking and replacing a gun nozzle of the oil gun; 4) The replaced oil gun is inserted into a carbon black reaction furnace; 5) And (3) supplying gas and air and raw materials to the carbon black reaction furnace, and recovering production. The whole process of overhauling and replacing the oil gun needs about 2 hours, and is long in time consumption, so that the carbon black production progress is seriously influenced, and meanwhile, the raw materials and the fuel are stopped from being supplied in the overhauling and replacing process, so that the ineffective loss of heat in the carbon black reaction furnace can be caused, the energy consumption of carbon black production is increased, and the carbon black production efficiency is reduced.
Disclosure of Invention
The invention aims to solve the problems that the time consumption is long and the heat in a carbon black reaction furnace is invalid to be lost when an oil gun is overhauled and replaced, and provides the carbon black reaction furnace capable of switching the oil gun on line.
The invention is realized by adopting the following technical scheme:
the carbon black reaction furnace comprises a furnace body, a rotating shaft, two arc flanges and two gate valves, wherein a cylindrical raw material supply port is arranged on the furnace body, a central shaft of the raw material supply port is positioned below the central shaft of the furnace body, furnace shells are coated on the outer wall of the furnace body and the raw material supply port, the rotating shaft is coaxially arranged in the raw material supply port, the rotating shaft is in rotary sealing connection with the furnace shells at the raw material supply port, an online oil gun hole and a standby oil gun hole are formed in the rotating shaft, the online oil gun hole and the central shaft of the furnace body are coaxially arranged, the standby oil gun hole and the online oil gun hole are symmetrically arranged about the central shaft of the rotating shaft, a flip cover for shielding the standby oil gun hole is hinged at the right end part of the rotating shaft, and the hinge shaft is arranged along the front-back direction, the two arc-shaped flanges comprise flange plates and limiting parts, the two flange plates are respectively coaxially arranged with the online oil gun hole and the standby oil gun hole, the two flange plates are respectively positioned at the left sides of the online oil gun hole and the standby oil gun hole and are in sliding sealing connection with the corresponding oil gun, the two gate valves are respectively coaxially arranged with the online oil gun hole and the standby oil gun hole and are respectively positioned at the left sides of the two arc-shaped flanges, the gate valves, the corresponding flange plates and the corresponding parts of the rotating shaft are fixedly connected through bolts, the two limiting parts are respectively positioned at the top of one flange plate and the bottom of the other flange plate, the two limiting parts are respectively detachably connected to the upper part and the lower part of the furnace shell of the left end face of the furnace body, and the central shaft of the standby oil gun hole and the central shaft of the furnace body are ensured to coincide after the rotating 180 degrees.
Working principle: when carbon black is produced, an online oil gun is installed in an online oil gun hole, a gate valve corresponding to a standby oil gun hole is closed, and when the online oil gun is overhauled and replaced, the overhauling and replacing steps are as follows: 1) Firstly, opening a gate valve corresponding to a spare oil gun hole, inserting a spare oil gun into the spare oil gun hole after passing through the corresponding gate valve, jacking a flip cover, and introducing steam into the spare oil gun; 2) Removing the connection between the two limiting parts and the furnace shell; 3) Rotating the spare oil gun for 180 degrees, and connecting the two limiting parts with the furnace shell so that the central axis of the spare oil gun hole after rotation coincides with the central axis of the furnace body; 4) Switching the raw oil of the online oil gun into steam, and switching the steam of the standby oil gun into the raw oil; 5) Pulling out the online oil gun, wherein the flip falls down due to gravity at the moment, and the flip is blocked at the right side port of the online oil gun hole under the action of high-pressure gas in the furnace body; 6) And closing the gate valve corresponding to the on-line oil gun hole, thereby completing maintenance and replacement of the on-line oil gun.
Further, the two flanges are provided with a water inlet and a water outlet, the edges of the right end parts of the central holes of the two flanges are provided with first grooves, the left end part of the rotating shaft is provided with two second grooves which are respectively matched with the two first grooves, annular rubber filling sealing rings are respectively filled in the space surrounded by each first groove and the corresponding second groove in a sealing way, the two annular rubber filling sealing rings are respectively provided with a water inlet pipe which extends outwards from the water inlet of the corresponding flange and a water outlet pipe which extends outwards from the water outlet of the corresponding flange, one of the annular rubber filling sealing rings is connected with a water inlet hose in a flange sealing way, one end of the water inlet hose which is not connected with the water inlet pipe is connected with the water outlet of the water pump, the water outlet pipe of one of the annular rubber filling sealing rings is connected with the water inlet pipe of the other annular rubber filling sealing ring in a flange sealing way, and the water outlet pipe of the other annular rubber filling sealing ring is connected with a water outlet hose in a flange sealing way. When the oil gun is used, cooling water enters from the water inlet of the water pump, and is pumped into the annular rubber filling sealing ring through the water pump, so that the two flange plates are in sliding sealing connection with the corresponding oil gun.
Further, the stove outer covering of raw materials mouth department includes the cylinder, the right side tip of the inner wall of cylinder inwards extends and forms first extension, the inner wall of first extension and the right end clearance fit of the outer wall of rotation axis, the outside extension in middle part of rotation axis forms second extension, the outer wall of second extension and the middle part clearance fit of the inner wall of cylinder, be equipped with annular clearance between the left end face of first extension and the right-hand member face of second extension, be furnished with annular seal gasket in the annular clearance, be fixed with the bearing between the left end of the outer wall of rotation axis and the left end of the inner wall of cylinder. The structure is a specific structure of rotary sealing connection of the rotary shaft and the furnace shell at the raw material supply port, the rotary connection of the rotary shaft and the furnace shell at the raw material supply port is realized through the bearing, the rotary sealing between the rotary shaft and the furnace shell at the raw material supply port is realized through the annular sealing gasket, the air flow in the furnace body is prevented from flowing out of the furnace body, and meanwhile, the service life of the bearing is also prevented from being influenced when the hot air flow in the furnace body flows through the bearing.
Further, the carbon black reaction furnace further comprises a flange gland, the right end face of the inner edge part of the flange gland is propped against the left end face of the bearing outer ring, the top of the left end of the second extension part is inverted right, the bottom of the left end face of the second extension part is propped against the right end face of the bearing inner ring, the outer edge part of the flange gland is fixedly connected with the furnace shell of the left end face of the furnace body, and the limiting parts of the two arc-shaped flanges are respectively detachably connected with the upper part and the lower part of the left end face of the inner edge part of the flange gland, so that the two limiting parts are detachably connected with the upper part and the lower part of the furnace shell of the left end face of the furnace body.
The beneficial effects of the invention are as follows: 1) The operation of on-line switching of the oil gun is realized skillfully through the design of the rotating shaft, and the production progress of carbon black is improved; 2) The flip cover is utilized to realize the relative sealing when the oil gun is pulled out of the furnace body, so that the problem that a large amount of gas in the furnace body is blown out after the oil gun is pulled out is solved; 3) Through the design of rotary seal and sliding seal structure, the hot air flow in the furnace body is avoided leaking when the oil gun is switched.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of a connection structure of two arc flanges and two annular rubber-filled seal rings;
FIG. 4 is a schematic view of an arc flange;
FIG. 5 is a side view of FIG. 3;
fig. 6 is a schematic structural view of an annular rubber-filled seal ring.
In the figure: the device comprises a furnace body, a 2-rotating shaft, a 3-gate valve, a 4-raw material supply port, a 5-online oil gun hole, a 6-standby oil gun hole, a 7-flip cover, an 8-flange plate, a 9-limiting part, a 10-cylinder body, an 11-first extension part, a 12-second extension part, a 13-annular sealing gasket, a 14-bearing, a 15-water inlet, a 16-water outlet, a 17-first groove, a 18-second groove, a 19-annular rubber filling sealing ring, a 20-water inlet pipe, a 21-water outlet pipe, a 22-water inlet hose, a 23-water outlet hose, a 24-pressure valve, a 25-flange gland, a 26-online oil gun, a 27-standby oil gun, a central shaft of an a-raw material supply port and a central shaft of a b-furnace body.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be made. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
In the description, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood by those of ordinary skill in the art as the case may be.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the invention.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, a carbon black reaction furnace capable of switching oil guns on line comprises a furnace body 1, a rotating shaft 2, two arc-shaped flanges and two gate valves 3, wherein a cylindrical raw material supply port 4 is arranged on the furnace body 1, a central shaft a of the raw material supply port 4 is positioned below a central shaft b of the furnace body 1, furnace shells are respectively coated on the outer wall of the furnace body 1 and the raw material supply port 4, the rotating shaft 2 is coaxially arranged in the raw material supply port 4, the rotating shaft 2 is in rotary sealing connection with a furnace shell at the raw material supply port 4, the rotating shaft 2 is provided with an on-line oil gun hole 5 and a standby oil gun hole 6, the on-line oil gun hole 5 is coaxially arranged with the central shaft b of the furnace body 1, the standby oil gun hole 6 and the on-line oil gun hole 5 are symmetrically arranged with the central shaft of the rotating shaft 2, the right end part of the rotating shaft 2 is hinged with a flip cover 7 for shielding the standby oil gun hole 6 along the front and rear direction, the two arc-shaped flanges comprise flange plates 8 and limiting parts 9, the two flange plates 8 are respectively coaxially arranged with the on-line oil gun hole 5 and the standby oil gun hole 6, the two flange plates 8 are respectively positioned at the two corresponding left end parts of the two flange plates 8 and the two corresponding to the two gate valves 3 and the two corresponding left end parts 3 and the two flange parts 3 are respectively arranged at the top and the two end parts of the corresponding to the two flange parts 3 are respectively and the two corresponding to the two upper end parts 3 and the corresponding to the two flange parts 3 are respectively and the corresponding to the upper and the upper end parts 3 and the corresponding to the upper end parts and the lower end parts of the corresponding to the two flange 6 are respectively and the upper and the lower end part and the lower part and are respectively and the upper and are respectively and the lower and are respectively, and the lower, respectively, and 3, and the upper part, and the lower part is respectively, and the lower part is respectively, the central axis of the spare oil gun hole 6 coincides with the central axis of the furnace body 1 after the rotating shaft 2 rotates 180 degrees.
Working principle: when carbon black is produced, the online oil gun 26 is installed in the online oil gun hole 5, the gate valve 3 corresponding to the standby oil gun hole 6 is closed, and when the online oil gun 26 is overhauled and replaced, the overhauling and replacing steps are as follows: 1) Firstly, opening a gate valve 3 corresponding to a spare oil gun hole 6, inserting a spare oil gun 27 into the spare oil gun hole 6 after penetrating through the corresponding gate valve 3, jacking a flip 7, and introducing steam into the spare oil gun 27; 2) Removing the connection between the two limiting parts 9 and the furnace shell; 3) Rotating the spare oil gun for 180 degrees, and connecting the two limiting parts 9 with the furnace shell so that the central axis of the spare oil gun hole 6 after rotation coincides with the central axis b of the furnace body; 4) Switching the raw oil of the online oil gun 26 to steam, and switching the steam of the standby oil gun 27 to raw oil; 5) The online oil gun 26 is pulled out, at the moment, the flip 7 falls down due to gravity, and under the action of high-pressure gas in the furnace body 1, the flip 7 is blocked at the right side port of the online oil gun hole 5; 6) The gate valve corresponding to the on-line gun hole 5 is closed, thereby completing the maintenance and replacement of the on-line gun 26.
In specific implementation, the two flanges 8 are provided with the water inlet 15 and the water outlet 16, the edges of the right end parts of the central holes of the two flanges 8 are provided with the first grooves 17, the left end part of the rotating shaft 2 is provided with the second grooves 18 which are respectively matched with the two first grooves 17, the space surrounded by each first groove 17 and the corresponding second groove 18 is filled with the annular rubber filling sealing ring 19 in a sealing way, the two annular rubber filling sealing rings 19 are provided with the water inlet pipe 20 which extends outwards from the water inlet 15 on the corresponding flange 8 and the water outlet pipe 21 which extends outwards from the water outlet 16 on the corresponding flange 8, one end of the water inlet pipe 22 which is not connected with the water inlet pipe 20 is connected with the water outlet 16 of the water pump in a flange sealing way, the water outlet pipe 21 of one annular rubber filling sealing ring 19 is connected with the water outlet pipe 20 of the other annular rubber filling sealing ring 19 in a flange sealing way, and the water outlet pipe 21 of the other annular rubber filling sealing ring 19 is connected with the water outlet pipe 23 in a flange sealing way. When the oil gun is used, cooling water enters from the water inlet 15 of the water pump, and is pumped into the annular rubber filling sealing ring 19 through the water pump, so that the two flange plates 8 are in sliding sealing connection with the corresponding oil gun.
In the implementation process, the water outlet 16 on one flange 8 and the water inlet 15 on the other flange 8 are arranged up and down oppositely, and the structure is specific and standardized.
In specific implementation, the water outlet hose 23 is provided with the pressure valve 24, when the pressure of the cooling water in the annular rubber filling sealing ring 19 reaches the pressure required by sealing, the pressure valve 24 is opened, so that the cooling water in the annular rubber filling sealing ring 19 flows, the annular rubber filling sealing ring 19 is prevented from being damaged after the temperature of the cooling water is raised, and the service life of the annular rubber filling sealing ring 19 and the tightness of the annular rubber filling sealing ring are affected.
In specific implementation, the furnace shell covered at the raw material port comprises a cylinder body 10, the right end part of the inner wall of the cylinder body 10 extends inwards to form a first extension part 11, the inner wall of the first extension part 11 is in clearance fit with the right end part of the outer wall of the rotary shaft 2, the middle part of the rotary shaft 2 extends outwards to form a second extension part 12, the outer wall of the second extension part 12 is in clearance fit with the middle part of the inner wall of the cylinder body 10, an annular gap is arranged between the left end surface of the first extension part 11 and the right end surface of the second extension part 12, an annular sealing gasket 13 is arranged in the annular gap, and a bearing 14 is fixed between the left end part of the outer wall of the rotary shaft 2 and the left end part of the inner wall of the cylinder body 10. The structure is a specific structure of rotary sealing connection of the rotary shaft 2 and the furnace shell at the raw material supply port 4, the rotary connection of the rotary shaft 2 and the furnace shell at the raw material supply port 4 is realized through the bearing 14, the rotary sealing between the rotary shaft 2 and the furnace shell at the raw material supply port 4 is realized through the annular sealing gasket 13, the air flow in the furnace body 1 is prevented from flowing out of the furnace body 1, and meanwhile, the service life of the bearing 14 is also prevented from being influenced when the hot air flow in the furnace body 1 flows through the bearing 14.
In specific implementation, the carbon black reaction furnace further comprises a flange gland 25, the right end face of the inner edge part of the flange gland 25 is propped against the left end face of the outer ring of the bearing 14, the top of the left end of the second extension part 12 is inverted right, the bottom of the left end face of the second extension part 12 is propped against the right end face of the inner ring of the bearing 14, the outer edge part of the flange gland 25 is fixedly connected with the furnace shell of the left end face of the furnace body 1, and the limiting parts 9 of the two arc-shaped flanges are respectively detachably connected with the upper part and the lower part of the left end face of the inner edge part of the flange gland 25, so that the two limiting parts 9 are detachably connected with the upper part and the lower part of the furnace shell of the left end face of the furnace body 1.
In the concrete implementation, the limiting parts 9 of the two arc-shaped flanges are respectively connected with the upper and lower parts of the left end face of the inner edge part of the flange gland 25 through bolts, and the structure is concrete and standardized. In the concrete implementation, the annular sealing gasket 13 is an annular asbestos gasket, and has the advantages of simple structure, lower cost and better sealing property. In this embodiment, the water inlet hose 22 and the water outlet hose 23 are metal hoses, and the structure is specific and standardized.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Although described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the embodiments, and they should be construed as covering the scope of the appended claims.
Claims (9)
1. The utility model provides a carbon black reacting furnace capable of switching oil gun on line, which is characterized in that, comprising a furnace body (1), rotation axis (2), two arc flanges, two gate valves (3), be equipped with cylindrical raw materials supply mouth (4) on furnace body (1), the center pin of raw materials supply mouth (4) is located the below of the center pin of furnace body (1), the outer wall of furnace body (1) and raw materials supply mouth (4) department all cladding have the stove outer covering, rotation axis (2) coaxial arrangement is in raw materials supply mouth (4), rotation axis (2) and stove outer covering rotary seal connection of raw materials supply mouth (4) department, open on rotation axis (2) have online oil gun hole (5), reserve oil gun hole (6), at online oil gun hole (5) and the coaxial arrangement of center pin of furnace body (1), reserve oil gun hole (6) and online oil gun hole (5) are with the center pin symmetry arrangement about rotation axis (2), the right side tip of rotation axis (2) articulates has flip (7) that are used for reserve oil gun hole (6) and articulated shaft along the fore-aft direction arranges, two arc flanges (8) are all including coaxial flange (8), two coaxial oil gun hole (6) are arranged with online oil gun hole (6) respectively, two ring flanges (8) are located the left side in online oil gun hole (5) and reserve oil gun hole (6) respectively and all with corresponding oil gun sliding seal connection, two gate valves (3) are arranged with online oil gun hole (5), reserve oil gun hole (6) coaxial respectively and are located the left side of two arc flanges respectively, pass through bolt fixed connection between gate valve (3), corresponding ring flange (8) and the corresponding part three of rotation axis (2), two spacing portion (9) are located the top of one ring flange (8) and the bottom of another ring flange (8) respectively, two spacing portion (9) can dismantle the upper and lower part of the stove outer covering of being connected in furnace body (1) left end face respectively, guarantee that the center pin in reserve oil gun hole (6) coincides with the center pin of furnace body (1) after rotatory 180 degrees in rotation axis (2).
2. The carbon black reaction furnace capable of switching oil guns on line according to claim 1, wherein the two flange plates (8) are respectively provided with a water inlet (15) and a water outlet (16), the right end edges of the central holes of the two flange plates (8) are respectively provided with a first groove (17), the left end part of the rotating shaft (2) is provided with two second grooves (18) which are respectively matched with the two first grooves (17), the space surrounded by each first groove (17) and the corresponding second groove (18) is respectively filled with an annular rubber filling sealing ring (19), the two annular rubber filling sealing rings (19) are respectively provided with a water inlet pipe (20) which extends out of the water inlet (15) on the corresponding flange plate (8) and a water outlet pipe (21) which extends out of the water outlet (16) on the corresponding flange plate (8), the water inlet pipe (20) of one annular rubber filling sealing ring (19) is connected with a water inlet hose (22) in a flange sealing way, one end of the water inlet hose (22) which is not connected with the water outlet (16) of the water pump is filled with the water outlet (19) of the water pump, the other annular rubber filling sealing ring (19) is connected with the water outlet pipe (19) of the other annular rubber filling sealing ring (19) through the annular sealing ring (19), the flange of the water outlet pipe (21) of the other annular rubber filling sealing ring (19) is connected with a water outlet hose (23) in a sealing way.
3. A carbon black reaction furnace with an on-line switchable oil gun according to claim 2, characterized in that the water outlet (16) on one of the flanges (8) is arranged opposite to the water inlet (15) on the other flange (8) up and down.
4. A carbon black reaction furnace with an on-line switchable oil gun according to claim 3, characterized in that a pressure valve (24) is arranged on the water outlet hose (23).
5. The carbon black reaction furnace capable of switching oil guns on line according to claim 1, 2, 3 or 4, wherein the furnace shell covered at the raw material port comprises a cylinder body (10), the right side end part of the inner wall of the cylinder body (10) extends inwards to form a first extension part (11), the inner wall of the first extension part (11) is in clearance fit with the right end part of the outer wall of the rotating shaft (2), the middle part of the rotating shaft (2) extends outwards to form a second extension part (12), the outer wall of the second extension part (12) is in clearance fit with the middle part of the inner wall of the cylinder body (10), an annular clearance is arranged between the left end face of the first extension part (11) and the right end face of the second extension part (12), an annular sealing gasket (13) is arranged in the annular clearance, and a bearing (14) is fixed between the left end part of the outer wall of the rotating shaft (2) and the left end part of the inner wall of the cylinder body (10).
6. The carbon black reaction furnace capable of switching oil guns on line according to claim 5, further comprising a flange gland (25), wherein the right end face of the inner edge part of the flange gland (25) is propped against the left end face of the outer ring of the bearing (14), the top of the left end of the second extension part (12) is inverted right angle, the bottom of the left end face of the second extension part (12) is propped against the right end face of the inner ring of the bearing (14), the outer edge part of the flange gland (25) is fixedly connected with the furnace shell of the left end face of the furnace body (1), and the limiting parts (9) of the two arc-shaped flanges are respectively detachably connected with the upper part and the lower part of the left end face of the inner edge part of the flange gland (25).
7. The carbon black reaction furnace capable of switching oil guns on line according to claim 6, wherein the limit parts (9) of the two arc-shaped flanges are respectively connected with the upper and lower parts of the left end face of the inner edge part of the flange gland (25) through bolts.
8. A carbon black reaction furnace with an on-line switchable oil gun according to claim 7, characterized in that the annular sealing gasket (13) is an annular asbestos gasket.
9. The carbon black reaction furnace capable of switching oil guns on line according to claim 8, wherein the water inlet hose (22) and the water outlet hose (23) are both metal hoses.
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