CN115218050B - Large-diameter multi-channel high-temperature high-pressure rotary joint - Google Patents
Large-diameter multi-channel high-temperature high-pressure rotary joint Download PDFInfo
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- CN115218050B CN115218050B CN202210838928.1A CN202210838928A CN115218050B CN 115218050 B CN115218050 B CN 115218050B CN 202210838928 A CN202210838928 A CN 202210838928A CN 115218050 B CN115218050 B CN 115218050B
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- joint
- heat medium
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- 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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0812—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/28—Particle separators, e.g. dust precipitators, using filter brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/086—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe fixed with screws
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- 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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/32—Heating of pipes or pipe systems using hot fluids
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- 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
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a large-drift-diameter multichannel high-temperature high-pressure rotary joint which comprises a heating medium discharging rotary device, a material discharging rotary device and an exhaust gas cleaning and recycling device, wherein the heating medium discharging rotary device comprises a kettle body connecting piece, a discharging central pipe, a heating medium joint central pipe and a heating medium exhaust joint shell, wherein the kettle body connecting piece is cylindrical, through holes are formed in the wall of the cylindrical wall at intervals along the circumference, and are connected with a kettle body and communicated with a sandwich cavity of the kettle body; the material discharging and rotating device comprises a discharging connector shell, the discharging connector shell is sleeved on the pipe wall of one end of the discharging central pipe far away from the kettle body, and a cavity is arranged between the discharging central pipe and the pipe wall; the exhaust gas cleaning and recycling device comprises an exhaust gas discharge shell and an exhaust gas discharge pipe, wherein the lower end of the exhaust gas discharge shell is communicated with an exhaust port of the discharge joint shell. The invention has multiple channels and realizes rotary connection, and is applied to a large-scale high-temperature high-pressure reaction kettle with large treatment capacity.
Description
Technical field:
the invention relates to a rotary joint, in particular to a large-drift-diameter multichannel high-temperature high-pressure rotary joint.
The background technology is as follows:
among the swivel joints currently in common use, there are mainly two main categories, one for swivel connection of oil pipes in hydraulic systems and the other for swivel joints for small dryers.
1. In a hydraulic swivel joint, the number of channels can be multiple, the hydraulic swivel joint can bear higher pressure, has better sealing performance, is generally free of a joint with a large diameter, is generally smaller than DN50 in nominal diameter, and is generally in a fine-tooth threaded connection mode. Moreover, the high-temperature-resistant fluid can not be used for normal-temperature fluid, the application field is limited, and the high-temperature-resistant fluid can not be used in a dryer with the temperature of 300-400 ℃.
2. Most of the nominal diameters of the rotary joints of the small drier are smaller than DN100, and only the rotary joints are respectively within DN150, so that the large rotary joints are not seen in the market. Meanwhile, the rotary joint is single in function, more than three channels are fewer, and general dried water vapor is led out through the rotary joint by an internal pipeline and is not provided with a gas-solid separation device. Moreover, the joint is used in an atmospheric dryer or a steam curing kettle, and the sealing element only can prevent low-pressure leakage and cannot be used in a low-pressure container. In addition, the temperature resistance of the rotary joint is low and is generally not more than 200 ℃. Therefore, the rotary joint cannot be used in a low-pressure rotary pressure vessel, a dryer or an autoclave with the pressure of 1.0MPa and the temperature of 400 ℃.
The invention comprises the following steps:
the technical problems to be solved by the invention are as follows: overcomes the defects of the prior art and provides a large-diameter multichannel high-temperature high-pressure swivel joint which has reasonable design and multiple channels and is suitable for pressure resistance and high temperature resistance.
The technical scheme of the invention is as follows:
the large-drift-diameter multichannel high-temperature high-pressure rotary joint comprises a heating medium discharging rotary device, a material discharging rotary device and an exhaust gas cleaning and recycling device, wherein the heating medium discharging rotary device comprises a kettle body connecting piece, a discharging central pipe, a heating medium joint central pipe and a heating medium exhaust joint shell, wherein the kettle body connecting piece is cylindrical, through holes are formed in the wall of the kettle body connecting piece at intervals along the circumference, the kettle body connecting piece is connected with a kettle body, the through holes are communicated with an interlayer cavity of the kettle body, a cavity is formed between the discharging central pipe in the kettle body connecting piece in a sleeved mode, and the inner end of the discharging central pipe is connected with the inner end of the kettle body connecting piece, and a high-temperature-resistant asbestos sealing gasket is arranged between the inner end of the discharging central pipe and the inner end of the kettle body connecting piece;
the outer end of the kettle body connecting piece is connected with one end of the heat medium joint central pipe through the connecting piece, a high-temperature-resistant asbestos sealing gasket is arranged between the heat medium joint central pipe and the heat medium joint central pipe, a heat medium exhaust joint shell is sleeved on the heat medium joint central pipe, a cavity is arranged between the heat medium joint central pipe and the heat medium exhaust joint shell, the heat medium joint central pipe is communicated with the heat medium exhaust joint shell through a through hole in the pipe wall, one end of the heat medium exhaust joint shell is in rotary sealing connection with the pipe wall of the heat medium joint central pipe, and the other end of the heat medium exhaust joint shell is in rotary sealing connection with the pipe wall of the discharge central pipe;
the material discharging rotary device comprises a discharging connector shell, wherein the discharging connector shell is sleeved on the pipe wall of one end of the discharging central pipe far away from the kettle body, a cavity is formed between the discharging central pipe and the discharging connector shell, the discharging central pipe is communicated with the discharging connector shell through a through hole in the pipe wall, two ends of the discharging connector shell are respectively and rotatably connected with the pipe wall of the discharging central pipe in a sealing manner, a discharging hole is formed in the lower end of the discharging connector shell, an exhaust port is formed in the upper end of the discharging connector shell, and a blocking plate is arranged on the end face of the discharging central pipe far away from the kettle body;
the waste gas cleaning and recycling device comprises a waste gas discharging shell and a waste gas discharging pipe, wherein the lower end of the waste gas discharging shell is communicated with an exhaust port of the discharging joint shell, the upper portion of the waste gas discharging shell is communicated with a waste gas exhaust pipe, a safety valve is arranged on the waste gas discharging pipe, and a cleaning mechanism is arranged in the waste gas discharging shell.
Preferably: the heat medium connector is characterized in that an outer annular groove is formed in the outer wall of one end of the heat medium connector central tube, a clamping ring is arranged in the outer annular groove, the clamping ring is of a two-half structure and is movably connected through a connecting piece, an outer conical surface of the clamping ring is matched with an inner conical hole of a connecting flange, the connecting flange is connected with a flange at the end part of the kettle body connecting piece through a connecting bolt, the heat medium connector central tube is connected with the kettle body connecting piece, and a high-temperature-resistant asbestos sealing gasket is arranged between the flanges.
Preferably: the outer surface of the pipe wall of the central pipe of the heat medium joint is provided with a left annular baffle plate and a right annular baffle plate at intervals, and the left annular baffle plate and the right annular baffle plate are respectively positioned at two sides of a through hole in the pipe wall of the central pipe of the heat medium joint.
Preferably: the right end of the heat medium exhaust joint shell is connected with a right sliding bearing seat, a high-temperature-resistant asbestos sealing gasket is arranged between the right end and the right sliding bearing seat, a sliding bearing sleeve is arranged in an inner hole of the right sliding bearing seat, and a right sliding bearing gland is pressed on the outer end surface of the sliding bearing sleeve so as to prevent the sliding bearing sleeve from rotating along with the heat medium joint central tube and moving outwards axially in the working process; the left end face of the right sliding bearing seat is of a spherical structure and is tightly pressed on the right spherical surface of the graphite sealing ring, so that the sealing can be realized, the aim of aligning can be achieved, and the left end face of the graphite sealing ring is tightly attached to the right annular baffle to realize sealing.
Preferably: the left end of the heating medium exhaust joint shell is connected with a packing sealing box, a high-temperature-resistant asbestos sealing gasket is arranged between the left end of the heating medium exhaust joint shell and the packing sealing box, the packing sealing box is sleeved on the discharge central pipe, an annular gap formed between the packing sealing box and the packing sealing box is filled with sealing packing, the left end of the sealing packing is pressed by a sealing packing gland through a screw, the right end of the sealing packing is pressed on the inner end face of a hole of the packing sealing box, and meanwhile, the end face of the sealing packing gland and the end face of the hole of the packing sealing box are conical surfaces, so that the sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surfaces of the sealing packing are reliably pressed and sealed; and a left sliding bearing is arranged between the left end of the heat medium exhaust connector shell and the central tube of the heat medium connector.
Preferably: threaded holes are tapped on the end face of the packing sealing box, spring adjusting screws are installed along the circumference at intervals, one end of each spring adjusting screw is propped against a spring seat, the spring seat is tightly pressed on the end face of each spring, the springs are tightly pressed in left counter bores of the left sliding bearings, the left sliding bearings are tightly pressed on the end face of the left annular baffle of the central tube of the heat medium joint, and end face positioning is achieved.
Preferably: the left end and the right end of the discharge joint shell are respectively provided with a packing seal box, an annular gap formed between a packing seal box hole of the discharge joint shell and the outer circle of the discharge central tube is filled with a sealing packing, the outer end of the sealing packing is compressed by a sealing packing gland through a screw, the inner end of the sealing packing is compressed on the inner end face of the hole of the packing seal box, and meanwhile, the end face of the sealing packing gland and the end face of the hole of the packing seal box are conical surfaces, so that the sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surfaces of the sealing packing are reliably compressed and sealed.
Preferably: the cleaning mechanism comprises a cleaning device sealing cover, a motor speed reducer, a brush cleaning shaft and a brush, wherein the brush is fixed with the brush cleaning shaft in a multi-head spiral manner, and the fixing manner can be a double-fixing method of clamping and bonding by a spiral clamping plate and an adhesive; the brush cleaning shaft is axially and radially positioned by an output hole on the motor speed reducer, and the motor speed reducer drives the brush cleaning shaft 23 to rotate; the packing seal box hole of the cleaning device seal cover and the annular gap formed in the middle of the outer circle of the brush cleaning shaft are filled with sealing packing, the outer end of the sealing packing is compressed by a packing gland through a screw, the lower end of the sealing packing is compressed on the inner end face of the hole of the packing seal box of the cleaning device seal cover, and meanwhile, the end face of the packing gland and the end face of the hole of the packing seal box of the cleaning device seal cover are conical surfaces, so that the sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential faces are reliably compressed and sealed through the structural form.
The beneficial effects of the invention are as follows:
1. the invention can be applied to a large-sized high-temperature high-pressure reaction kettle with larger treatment capacity, and has larger nominal diameter, such as the diameter of a material discharge port is between DN200 and DN600 or larger.
2. The invention is provided with the anti-blocking device of the waste gas discharge channel at the waste gas treatment discharge port, so that the gas mixed with the solid mixture is prevented from being discharged into the atmosphere, the automatic separation of the gas and the solid is realized, the problem of pipeline blockage is solved, and the finished product is recovered; in addition, since the pressure vessel is arranged on the pressure vessel, a safety valve can be arranged on the channel, and the safety of the pressure vessel can be ensured;
3. the invention has a plurality of channels, realizes rotary connection and is suitable for rotary reaction kettles: firstly, a heating medium channel for heating, such as high-temperature gas or fluid, is configured, the heating medium is not contacted with the heated material, and the heating medium needs to be led into a jacket or a coil type heating channel of a heating container; secondly, an inlet and an outlet for processing small particles or powder materials; thirdly, a discharge port of hot steam generated in the material treatment process; furthermore, a discharge port and a heating medium channel connected with the heating reaction kettle need to rotate together with the heating reaction kettle, and a discharge bin and a heating medium introducing pipeline connected with the outside need to be fixed;
4. the invention has high temperature resistance and pressure resistance, and can be applied to a high-temperature low-pressure vessel with the temperature of 400 ℃ and the pressure of 1.0 MPa. In order to resist high temperature and pressure, high-reliability sealing is designed structurally, the sealing element is resistant to high temperature, meanwhile, the machining precision of a welding part is low, and reliable sealing can be ensured under the condition that the assembly and installation coaxiality precision of the parts is low.
5. The invention has reasonable design, multiple channels, is suitable for pressure resistance and high temperature resistance, can reuse dolomite waste ores with unqualified granularity in the past, can fully utilize newly mined dolomite ores, greatly utilizes mineral resources, reduces waste, and has good economic benefit after popularization.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of a large-diameter multi-channel high-temperature high-pressure rotary joint according to the present invention;
FIG. 2 is a component view of the media exhaust swivel joint of FIG. 1;
FIG. 3 is a component view of the material discharge swivel joint of FIG. 1;
fig. 4 is a component view of the automatic exhaust gas emission cleaning apparatus of fig. 1.
The specific embodiment is as follows:
embodiment one: referring to fig. 1-4, wherein the A-heating medium outlet, the B-material outlet and the C-treatment exhaust gas discharge port are shown;
the reaction kettle comprises a 1-reaction kettle body, a 2-kettle body connecting piece, a 3-connecting flange, a 4-clamping ring, a 5-discharging central tube, a 6-right sliding bearing gland, a 7-sliding bearing sleeve, an 8-right sliding bearing seat, a 9-heating medium exhaust joint shell, a 10-graphite sealing ring 11-heating medium joint central tube, a 12-left sliding bearing, a 13-spring, a 14-spring seat, a 15-spring adjusting screw, a 16-packing sealing box, a 17-sealing packing and an 18-sealing packing gland.
19-sealing packing gland, 20-sealing packing, 21-discharge joint housing.
22-an exhaust emission shell, 23-a brush cleaning shaft, 24-a brush, 25-a cleaning device sealing cover, 26-a sealing packing, 27-a packing gland, 28-a motor reducer and 29-a safety valve.
The whole assembly diagram of the large-diameter multichannel high-temperature high-pressure rotary joint is shown in fig. 1, and the large-diameter multichannel high-temperature high-pressure rotary joint consists of three parts: the device comprises a heating medium discharge rotary device, a material discharge rotary device and an exhaust gas cleaning and recycling device.
The assembly and installation diagram of the heat medium discharging and rotating device is shown in fig. 2, the reaction kettle body 1 and the kettle body connecting piece 2 are fixedly connected together in a welding mode, connecting flanges are arranged at two ends of the kettle body connecting piece 2, and the flanges at two ends are connected with the reaction kettle body 1 through a central pipe with a large vent hole in the middle to form a welding structural part. The inner conical hole of the connecting flange 3 is matched with the outer conical surface of the clamping ring 4, the clamping ring 4 is of a two-half structure, an inner hole of the clamping ring 4 is clamped in an outer annular groove of the central tube 11 of the heat medium connector, the flange 3 and the clamping ring 4 are tightly pressed on the end face of the central tube 11 of the heat medium connector through a clamping groove of the central tube 11 of the heat medium connector by bolts and nuts, and the two connecting end faces are sealed through high-temperature-resistant asbestos gaskets (no serial numbers are marked in the figure).
The inner flange of the kettle body connecting piece 2 is connected with a flange surface welded on the discharging central tube 5, and a high-temperature-resistant asbestos sealing gasket (not shown in the figure) is clamped between the two flange surfaces to ensure gas pressure leakage in the reaction kettle body 1. The other side outer circular surface of the discharging central tube 5 is provided with a packing sealing device for preventing leakage, the packing sealing box 16 is not only the packing sealing box, but also the left flange surface of the heat medium discharging rotary joint, the packing sealing box 16 is a welding structural member, the packing sealing box 16 is sleeved on the discharging central tube 5, an annular gap formed between the packing sealing box 16 and the packing sealing box is filled with a sealing packing 17, the left end of the sealing packing 17 is compressed by a sealing packing gland 18 through a screw, the right end of the sealing packing 17 is compressed on the inner end surface of a hole of the packing sealing box 16, and meanwhile, the end surface of the sealing packing gland 18 and the hole end surface of the packing sealing box 16 are conical surfaces, so that the sealing packing 17 is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surfaces are reliably compressed and sealed through the structural form.
The sliding bearing sleeve 7 is arranged in the inner hole of the right sliding bearing seat 8, and the outer end surface of the sliding bearing sleeve 7 is pressed with the right sliding bearing gland 6 for preventing the sliding bearing sleeve 7 from rotating along with the central tube 11 of the heating medium joint and moving outwards axially in the working process. The right sliding bearing seat 8 is a flange connection structure, which is connected with the right flange of the heat medium exhaust joint shell 9 through bolts and nuts, and an asbestos sealing gasket (not shown in the figure) is arranged in the middle. The left end face of the right sliding bearing seat 8 is of a spherical structure and is tightly pressed on the right spherical surface of the graphite sealing ring 10, so that the purposes of sealing and aligning can be achieved. The left end face of the graphite sealing ring 10 is tightly attached to an annular baffle welded on the central tube 11 of the heat medium joint to realize sealing, and the grinding processing of the left end faces of the annular baffle end face of the central tube 11 of the heat medium joint and the left end face of the right sliding bearing seat 8 ensures lower roughness for reliable sealing and reduces the abrasion of the graphite sealing ring 10.
At the left end of the heat medium exhaust joint housing 9, a flange of a packing seal box 16 is connected with a flange of the heat medium exhaust joint housing 9, and an asbestos sealing gasket (not shown) is arranged in the middle. The end face of the packing seal box 6 is provided with a threaded hole, a circle of spring adjusting screw 15 is arranged, one end of the spring adjusting screw 15 is propped against the spring seat 14, the spring seat 14 is tightly pressed on the end face of the spring 13, the spring 13 is tightly pressed in a left counter bore of the left sliding bearing 12, the left sliding bearing 12 is tightly pressed on the left annular baffle end face of the central tube 11 of the heat medium joint, the end face positioning is realized, meanwhile, the inner hole of the left sliding bearing 12 is in clearance fit with the outer circle of the central tube 11 of the heat medium joint, the outer circle of the left sliding bearing 12 is in clearance fit with the inner hole of the shell 9 of the heat medium exhaust joint, the radial positioning, namely the slewing bearing is realized, and the left sliding bearing adopts a shaft sleeve type structure.
The flange on the heat medium exhaust connector housing 9 is connected with an external heat medium exhaust pipeline (not shown in the figure) to lead out the heat medium, and the heat medium exhaust connector housing 9 is fixed and not rotated. The two ends of the heat medium exhaust joint shell 9 along the axial direction are respectively provided with a right sliding bearing sleeve 7 and a left sliding bearing 12 which are supported on a heat medium joint central tube 11, so that axial and radial slewing bearing is realized, and the heat medium joint central tube 11 rotates along with the reaction kettle body 1. The discharging central tube 5 also rotates along with the reaction kettle body 1, and the left side of the discharging central tube 5 is supported by a packing sealing box 16, a sealing packing 17 and a packing gland 18, so that the inner and outer two-point support of the discharging central tube 5 is ensured, and the stress is reasonable.
In the process of the rotary working of the reaction kettle, a heating medium exhaust line is formed by a jacket on the reaction kettle body 1, radial macropores of a kettle body connecting piece 2 fixedly connected with the reaction kettle body 1, an annular gap between a discharge central pipe 5 and a heating medium joint central pipe 11, radial macropores formed in the heating medium joint central pipe 11, and the heating medium exhaust line enters a heating medium exhaust joint shell and then is discharged through an upper pipeline.
The assembly and installation of the material discharge turning device is shown in fig. 3. The material discharging and rotating device is integrally arranged on the discharging central tube 5 and is of a bilateral symmetry structure. The exhaust joint shell 21 is provided with both an interface for discharging materials and an interface for discharging waste gas, the left end and the right end of the exhaust joint shell 21 are provided with packing boxes, an annular gap formed between a packing box hole of the exhaust joint shell 21 and the outer circle of the exhaust central tube 5 is filled with a sealing packing 20, the outer end of the sealing packing 20 is tightly pressed by a sealing packing gland 19 through a screw, the inner end of the sealing packing 20 is tightly pressed on the inner end face of a hole of the packing box, and meanwhile, the end face of the sealing packing gland 19 and the end face of the hole of the packing box are conical surfaces, so that the sealing packing 20 is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surfaces at the position are reliably tightly pressed and sealed through the structural form.
The discharging central tube 5 and the reaction kettle body 1 are fixedly connected and rotate, the discharging joint shell 21 and the components forming the packing seal are fixed and do not rotate, and the sealing packing 20 and the discharging central tube 5 have relative rotation.
As shown in fig. 4, the exhaust gas cleaning and recovering device has 4 connection flange ports on the exhaust gas discharge housing 22, and the exhaust gas cleaning and recovering device is integrally fixedly installed by connecting a lower flange of the exhaust gas discharge housing 22 with an upper flange of the discharge joint housing 21 of the material discharge rotary joint. The cleaning device sealing cover 25 of the cleaning device and the motor speed reducer 28 are fixed on the upper right flange on the exhaust gas discharge shell 22, the safety valve 29 is arranged on the upper left flange on the exhaust gas discharge shell 22, and the left horizontal flange on the exhaust gas discharge shell 22 is connected with a discharge pipeline. The brush 24 is fixed to the brush cleaning shaft 23 in a multi-headed screw manner by a double fastening method of both clamping and bonding by screw clamping plates and adhesives. The brush cleaning shaft 23 is axially and radially positioned by an output hole of the motor speed reducer 28, and the brush cleaning shaft 23 is driven to rotate by the motor speed reducer 28. The annular gap formed between the packing box hole of the cleaning device sealing cover 25 and the outer circle of the brush cleaning shaft 23 is filled with the sealing packing 26, the outer end of the sealing packing 26 is compressed by the packing gland 27 through a screw, the lower end of the sealing packing 26 is compressed on the inner end face of the packing box hole of the cleaning device sealing cover 25, and meanwhile, the end face of the packing gland 27 and the end face of the packing box hole of the cleaning device sealing cover 25 are conical surfaces, so that the sealing packing 20 is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surfaces are reliably compressed and sealed through the structural form.
In the working process, the principle of separating and cleaning gas and solid dust is as follows: when the gas is discharged through the device, when the motor speed reducer 28 drives the brush cleaning shaft to rotate, the brush 24 can block and filter solid dust in the discharged gas, so that gas and dust solid separation is realized, the adhered dust on the inner wall of the vertical pipe of the exhaust gas discharge shell is cleaned through the rotation of the brush cleaning shaft 23, the solid dust adhered to the brush is separated through the vibration of the brush 24, and the dust is downwards discharged to a material outlet through the spirally discharged brush 24, so that material recovery is realized.
Embodiment two: the basic form of this embodiment is the same as that of the first embodiment, and the differences are that: different embodiments can be formed by changing the connection mode between the central tube 11 of the heat medium connector and the kettle body connecting piece 2, for example, a connecting flange is manufactured at the right end of the central tube of the heat medium connector, and the connecting flange is connected with the left end of the kettle body connecting piece 2 through connecting bolts.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, and any simple modification made according to the technical spirit of the present invention still falls within the scope of the present invention.
Claims (8)
1. A large-drift-diameter multichannel high-temperature high-pressure swivel joint comprises a heating medium discharge swivel device, a material discharge swivel device and an exhaust gas cleaning and recycling device, and is characterized in that: the heat medium discharging and rotating device comprises a kettle body connecting piece, a discharging central pipe, a heat medium joint central pipe and a heat medium exhaust joint shell, wherein the kettle body connecting piece is cylindrical, through holes are formed in the wall of the kettle body connecting piece at intervals along the circumference, the kettle body connecting piece is connected with a kettle body, the through holes are communicated with an interlayer cavity of the kettle body, the discharging central pipe is sleeved in the kettle body connecting piece, a cavity is formed between the discharging central pipe and the kettle body connecting piece, and the inner end of the discharging central pipe is connected with the inner end of the kettle body connecting piece, and a high-temperature-resistant asbestos sealing gasket is arranged between the inner end of the discharging central pipe and the inner end of the kettle body connecting piece;
the outer end of the kettle body connecting piece is connected with one end of the heat medium joint central pipe through the connecting piece, a high-temperature-resistant asbestos sealing gasket is arranged between the heat medium joint central pipe and the heat medium joint central pipe, a heat medium exhaust joint shell is sleeved on the heat medium joint central pipe, a cavity is arranged between the heat medium joint central pipe and the heat medium exhaust joint shell, the heat medium joint central pipe is communicated with the heat medium exhaust joint shell through a through hole in the pipe wall, one end of the heat medium exhaust joint shell is in rotary sealing connection with the pipe wall of the heat medium joint central pipe, and the other end of the heat medium exhaust joint shell is in rotary sealing connection with the pipe wall of the discharge central pipe;
the material discharging rotary device comprises a discharging connector shell, wherein the discharging connector shell is sleeved on the pipe wall of one end of the discharging central pipe far away from the kettle body, a cavity is formed between the discharging central pipe and the discharging connector shell, the discharging central pipe is communicated with the discharging connector shell through a through hole in the pipe wall, two ends of the discharging connector shell are respectively and rotatably connected with the pipe wall of the discharging central pipe in a sealing manner, a discharging hole is formed in the lower end of the discharging connector shell, an exhaust port is formed in the upper end of the discharging connector shell, and a blocking plate is arranged on the end face of the discharging central pipe far away from the kettle body;
the waste gas cleaning and recycling device comprises a waste gas discharging shell and a waste gas discharging pipe, wherein the lower end of the waste gas discharging shell is communicated with an exhaust port of the discharging joint shell, the upper portion of the waste gas discharging shell is communicated with the waste gas discharging pipe, a safety valve is arranged on the waste gas discharging pipe, and a cleaning mechanism is arranged in the waste gas discharging shell.
2. The large-path multichannel high-temperature high-pressure swivel joint of claim 1, wherein: the heat medium connector is characterized in that an outer annular groove is formed in the outer wall of one end of the heat medium connector central tube, a clamping ring is arranged in the outer annular groove, the clamping ring is of a two-half structure and movably connected through a connecting piece, an outer conical surface of the clamping ring is matched with an inner conical hole of a connecting flange, the connecting flange is connected with a flange at the end part of the kettle body connecting piece through a connecting bolt, the heat medium connector central tube is connected with the kettle body connecting piece, and a high-temperature-resistant asbestos sealing gasket is arranged between the flanges.
3. The large-path multichannel high-temperature high-pressure swivel joint of claim 1, wherein: the outer surface of the pipe wall of the central pipe of the heat medium joint is provided with a left annular baffle plate and a right annular baffle plate at intervals, and the left annular baffle plate and the right annular baffle plate are respectively positioned at two sides of a through hole in the pipe wall of the central pipe of the heat medium joint.
4. The large-path multi-channel high-temperature high-pressure swivel joint according to claim 3, characterized in that: the right end of the heat medium exhaust joint shell is connected with a right sliding bearing seat, a high-temperature-resistant asbestos sealing gasket is arranged between the right end and the right sliding bearing seat, a sliding bearing sleeve is arranged in an inner hole of the right sliding bearing seat, and a right sliding bearing gland is pressed on the outer end surface of the sliding bearing sleeve so as to prevent the sliding bearing sleeve from rotating along with the heat medium joint central tube and moving outwards axially in the working process; the left end face of the right sliding bearing seat is of a spherical structure and is tightly pressed on the right spherical surface of the graphite sealing ring, so that the sealing can be realized, the aim of aligning can be achieved, and the left end face of the graphite sealing ring is tightly attached to the right annular baffle to realize sealing.
5. The large-path multi-channel high-temperature high-pressure swivel joint according to claim 3, characterized in that: the left end of the heating medium exhaust joint shell is connected with a packing sealing box, a high-temperature-resistant asbestos sealing gasket is arranged between the left end of the heating medium exhaust joint shell and the packing sealing box, the packing sealing box is sleeved on the discharge central pipe, an annular gap formed between the packing sealing box and the packing sealing box is filled with a first sealing packing, the left end of the first sealing packing is pressed by a first sealing packing gland through a screw, the right end of the first sealing packing is pressed on the inner end face of a hole of the packing sealing box, and meanwhile, the end face of the first sealing packing gland and the end face of the hole of the packing sealing box are conical surfaces, so that the first sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential face of the packing sealing box are reliably pressed and sealed; and a left sliding bearing is arranged between the left end of the heat medium exhaust connector shell and the central tube of the heat medium connector.
6. The large-path multi-channel high-temperature high-pressure swivel joint according to claim 5, characterized in that: threaded holes are tapped on the end face of the packing sealing box, spring adjusting screws are installed along the circumference at intervals, one end of each spring adjusting screw is propped against a spring seat, the spring seat is tightly pressed on the end face of each spring, the springs are tightly pressed in left counter bores of the left sliding bearings, the left sliding bearings are tightly pressed on the end face of the left annular baffle of the central tube of the heat medium joint, and end face positioning is achieved.
7. The large-path multichannel high-temperature high-pressure swivel joint of claim 1, wherein: the left end and the right end of the discharge joint shell are respectively provided with a packing sealing box, an annular gap formed between a packing sealing box hole of the discharge joint shell and the outer circle of the discharge central tube is filled with a second sealing packing, the outer end of the second sealing packing is compressed by a second sealing packing gland through a screw, the inner end of the second sealing packing is compressed on the inner end face of the hole of the packing sealing box, and meanwhile, the end face of the second sealing packing gland and the end face of the hole of the packing sealing box are conical surfaces, so that the second sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential face of the second sealing packing are reliably compressed and sealed.
8. The large-path multichannel high-temperature high-pressure swivel joint of claim 1, wherein: the cleaning mechanism comprises a cleaning device sealing cover, a motor speed reducer, a brush cleaning shaft and a brush, wherein the brush is fixed with the brush cleaning shaft in a multi-head spiral manner, and the fixing manner can be a double-fixing method of clamping and bonding by a spiral clamping plate and an adhesive; the brush cleaning shaft is axially and radially positioned through an output hole on the motor speed reducer, and the motor speed reducer drives the brush cleaning shaft to rotate; the annular gap formed between the packing seal box hole of the cleaning device seal cover and the outer circle of the brush cleaning shaft is filled with a third sealing packing, the outer end of the third sealing packing is tightly pressed by a packing gland through a screw, the lower end of the third sealing packing is tightly pressed on the inner end face of the packing seal box hole of the cleaning device seal cover, and meanwhile, the packing gland end face and the hole end face of the packing seal box of the cleaning device seal cover are conical surfaces, so that the third sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential face are reliably tightly pressed and sealed through the structural form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210838928.1A CN115218050B (en) | 2022-07-18 | 2022-07-18 | Large-diameter multi-channel high-temperature high-pressure rotary joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210838928.1A CN115218050B (en) | 2022-07-18 | 2022-07-18 | Large-diameter multi-channel high-temperature high-pressure rotary joint |
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| CN115218050A CN115218050A (en) | 2022-10-21 |
| CN115218050B true CN115218050B (en) | 2023-09-12 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115218050A (en) | 2022-10-21 |
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