CN115218050A - Large-drift-diameter multi-channel high-temperature high-pressure rotary joint - Google Patents

Large-drift-diameter multi-channel high-temperature high-pressure rotary joint Download PDF

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Publication number
CN115218050A
CN115218050A CN202210838928.1A CN202210838928A CN115218050A CN 115218050 A CN115218050 A CN 115218050A CN 202210838928 A CN202210838928 A CN 202210838928A CN 115218050 A CN115218050 A CN 115218050A
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CN
China
Prior art keywords
discharging
joint
packing
central pipe
heat medium
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Granted
Application number
CN202210838928.1A
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Chinese (zh)
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CN115218050B (en
Inventor
苏根华
霍征征
白鹏辉
鲁翔
靳留斌
杨乐乐
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Henan Zhengzhou Mining Machinery Co ltd
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Henan Zhengzhou Mining Machinery Co ltd
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Priority to CN202210838928.1A priority Critical patent/CN115218050B/en
Publication of CN115218050A publication Critical patent/CN115218050A/en
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Publication of CN115218050B publication Critical patent/CN115218050B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00Adjustable joints, Joints allowing movement
    • F16L27/08Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804Adjustable 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
    • F16L27/0808Adjustable 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
    • F16L27/0812Adjustable 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/28Particle separators, e.g. dust precipitators, using filter brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/08Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F16L41/086Joining 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30Heating of pipes or pipe systems
    • F16L53/32Heating of pipes or pipe systems using hot fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07Arrangement 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 heat medium discharging rotary device, a material discharging rotary device and a waste gas cleaning and recovering device, wherein the heat medium discharging rotary device comprises a kettle body connecting piece, a material discharging central pipe, a heat medium joint central pipe and a heat medium exhaust joint shell, 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, and the through holes are communicated with an interlayer cavity of the kettle body; the material discharging rotary device comprises a discharging joint shell, the discharging joint shell is sleeved on the pipe wall of one end, far away from the kettle body, of the discharging central pipe, and a cavity is formed between the discharging joint shell and the discharging central pipe; 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 the gas outlet of the discharging joint shell. The invention has multiple channels, realizes rotary connection and is applied to large high-temperature high-pressure reaction kettles with large handling capacity.

Description

Large-drift-diameter multi-channel high-temperature high-pressure rotary joint
The technical field is as follows:
the invention relates to a rotary joint, in particular to a large-bore multi-channel high-temperature high-pressure rotary joint.
The background art comprises the following steps:
among the rotary joints commonly used at present, there are two main types, one is used for the rotary connection of an oil pipe in a hydraulic system, and the other is used for the rotary joint of a small-sized dryer.
1. In a hydraulic swivel joint, the number of channels can be multiple, the hydraulic swivel joint can bear higher pressure and has better sealing performance, but a joint with a large drift diameter is not provided generally, the nominal drift diameter is smaller than DN50 generally, and the joint is in a fine thread connection mode generally. And the high-temperature-resistant rubber can not resist high temperature, can only be used for normal-temperature fluid, has limited application field and can not be used in a drying machine with the temperature as high as 300-400 ℃.
2. Most of the nominal diameters of the rotary joints of the small-sized dryer are smaller than DN100, only individual rotary joints are within DN150, and large-sized rotary joints cannot be found on the market. Meanwhile, the rotary joint is single in function usually, more than three channels are fewer, and common dried steam is led out through the rotary joint through an internal pipeline without a gas-solid separation device. Furthermore, the joint is used in an atmospheric dryer or a steam curing kettle, and the sealing element used only can prevent low-pressure leakage and cannot be used in a low-pressure container. In addition, the swivel joint is resistant to low temperatures, generally not exceeding 200 ℃. Therefore, the rotary joint can not 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 content is as follows:
the technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the large-drift-diameter multi-channel high-temperature high-pressure swivel joint which is reasonable in design, has multiple channels and is suitable for pressure resistance and high temperature resistance is provided.
The technical scheme of the invention is as follows:
a large-drift-diameter multichannel high-temperature and high-pressure rotary joint comprises a heat medium discharging rotary device, a material discharging rotary device and a waste gas cleaning and recycling device, wherein the heat medium discharging rotary device comprises a kettle body connecting piece, a discharging central pipe, a heat medium joint central pipe and a heat medium discharging joint shell, 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, 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 discharging central pipe and 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 a connecting piece, a high-temperature-resistant asbestos sealing gasket is arranged between the outer end of the kettle body connecting piece and the heat medium joint central pipe, the heat medium joint central pipe is sleeved with the heat medium exhaust joint shell, 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 rotatably and hermetically connected with the pipe wall of the heat medium joint central pipe, and the other end of the heat medium exhaust joint shell is rotatably and hermetically connected with the pipe wall of the discharge central pipe;
the material discharging rotary device comprises a discharging joint shell, the discharging joint shell is sleeved on the pipe wall of one end, far away from the kettle body, of the discharging central pipe, a cavity is arranged between the discharging joint shell and the discharging central pipe, the discharging central pipe is communicated with the discharging joint shell through a through hole in the pipe wall, two ends of the discharging joint shell are respectively in rotary type sealing connection with the pipe wall of the discharging central pipe, the lower end of the discharging joint shell is provided with a discharging port, the upper end of the discharging joint shell is provided with an air outlet, and the end face, far away from the kettle body, of the discharging central pipe is provided with a blocking plate;
the waste gas cleaning and recycling device comprises a waste gas discharging shell and a waste gas discharging pipe, the lower end of the waste gas discharging shell is communicated with a gas outlet 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.
Preferably: an outer annular groove is formed in the outer wall of one end of the central pipe of the heating medium joint, 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, the outer conical surface of the clamping ring is matched with the inner conical hole of a connecting flange, the connecting flange is connected with the flange at the end part of the kettle body connecting piece through a connecting bolt, the central pipe of the heating medium joint 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 on 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 heating medium exhaust joint shell is connected with the right sliding bearing seat, a high-temperature-resistant asbestos sealing gasket is arranged between the right end of the heating medium exhaust joint shell and the right sliding bearing seat, a sliding bearing sleeve is installed in an inner hole of the right sliding bearing seat, and a right sliding bearing gland is pressed on the outer end face of the sliding bearing sleeve and used for preventing the sliding bearing sleeve from rotating along with the heating medium joint central pipe and moving outwards in the axial direction 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 and the aligning purposes are realized, and the left end face of the graphite sealing ring is tightly attached to the right annular baffle plate to realize the sealing.
Preferably: the left end of the heating medium exhaust joint shell is connected with a packing seal box, a high-temperature-resistant asbestos sealing gasket is arranged between the left end of the heating medium exhaust joint shell and the packing seal box, the packing seal box is sleeved on the discharge central pipe, a sealing packing is arranged in an annular gap formed between the packing seal box and the discharge central pipe, 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 hole end surface of the packing seal box, meanwhile, the end surface of the sealing packing gland and the inner hole end surface of the packing seal box are conical surfaces, so that the sealing packing is subjected to axial and radial pressures, and the radial and axial directions of the connecting circumferential surface at the position can be pressed and sealed tightly; and a left sliding bearing is arranged between the left end of the heating medium exhaust joint shell and the heating medium joint central pipe.
Preferably: tapping screw holes on the end face of the packing seal box, installing spring adjusting screws at intervals along the circumference, wherein one end of each spring adjusting screw props against a spring seat, the spring seats are pressed on the end face of each spring, so that the springs are pressed in left counter bores of left sliding bearings, and the left sliding bearings are pressed on the end faces of left annular baffles of the heat medium joint central pipes to achieve end face positioning.
Preferably: it does not be provided with packing seal box equally divide to discharge joint casing's the left and right sides both ends, discharge joint casing's packing seal box hole with arrange the annular gap that forms in the middle of the material center tube excircle and pack sealed packing into, sealed packing's outer end is compressed tightly through the screw by sealed packing gland, sealed packing's the inner compresses tightly on packing seal box's the downthehole terminal surface, simultaneously, sealed packing gland terminal surface and packing seal box's hole terminal surface are the conical surface, make sealed packing receives axial and radial pressure, all can lean on the pressure to seal with the radial and the axial of the connection periphery here.
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 mode, and a double fixing method that a spiral clamping plate and an adhesive are clamped and bonded can be adopted in the fixing mode; the brush cleaning shaft is axially and radially positioned by an output hole on the motor reducer, and the brush cleaning shaft 23 is driven to rotate by the motor reducer; the packing gland sealing box hole of the cleaning device sealing cover and the annular gap formed in the middle of the outer circle of the brush cleaning shaft are filled with a 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 packing sealing box of the cleaning device sealing cover, and meanwhile, the end face of the packing gland and the end face of the hole of the packing sealing box of the cleaning device sealing cover are both conical surfaces, so that the sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surface at the position can be tightly sealed by means of the structure.
The beneficial effects of the invention are:
1. the invention can be applied to large-scale high-temperature high-pressure reaction kettles with larger treatment capacity and has larger nominal diameter, for example, the diameter of a material discharge port is DN 200-DN 600 or larger.
2. The anti-blocking device for the waste gas discharge channel is arranged at the waste gas discharge port, so that gas mixed with solid mixture is prevented from being discharged into the atmosphere, the gas and the solid are automatically separated, the problem of pipeline blockage is solved, and finished products are recovered; in addition, since the pressure vessel is mounted 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 multi-functional multi-channel, realizes rotary connection, and is suitable for rotary reaction kettles: firstly, a heating medium channel for heating is configured, such as high-temperature gas or fluid, the heating medium is not contacted with the heated material, and the heating medium needs to be led into a jacket or a coil heating channel of a heating container; the second is the inlet and outlet for processing the small particles or powder materials; thirdly, a discharge port of hot steam generated in the material treatment process; furthermore, a discharge port and a heat medium channel connected with the heating reaction kettle need to rotate together with the heating reaction kettle, and a discharge bin and a heat medium introducing pipeline connected with the outside need to be fixed;
4. the invention can resist high temperature and pressure at the same time, and can be applied to high-temperature and low-pressure containers with the temperature of 400 ℃ and the pressure of 1.0 MPa. In order to resist high temperature and pressure, the structure is designed with high-reliability sealing, so that the sealing element can resist high temperature, the machining precision of a welding part is not high, and reliable sealing can be ensured under the condition that the assembly and installation coaxiality precision among parts is not high.
5. The invention has reasonable design, multiple channels and is suitable for pressure resistance and high temperature resistance, can reutilize the waste dolomite ore with unqualified granularity in the past, can completely utilize newly exploited dolomite ore, greatly utilizes mineral resources, reduces waste, and has good economic benefit after popularization.
Description of the drawings:
FIG. 1 is a schematic view of the overall structure of a large-bore multi-channel high-temperature high-pressure swivel joint according to the present invention;
FIG. 2 is a component view of the thermal media exhaust swivel joint of FIG. 1;
FIG. 3 is a component view of the material discharge swivel of FIG. 1;
fig. 4 is a component view of the automatic exhaust emission control device of fig. 1.
The specific implementation mode is as follows:
the first embodiment is as follows: referring to fig. 1-4, in the drawings, a-a heat medium outlet, B-a material outlet, C-a treated exhaust gas discharge port;
1-a reaction kettle body, 2-a kettle body connecting piece, 3-a connecting flange, 4-a snap ring, 5-a discharge central pipe, 6-a right sliding bearing gland, 7-a sliding bearing sleeve, 8-a right sliding bearing seat, 9-a heating medium exhaust joint shell, 10-a graphite sealing ring, 11-a heating medium joint central pipe, 12-a left sliding bearing, 13-a spring, 14-a spring seat, 15-a spring adjusting screw, 16-a packing seal box, 17-a seal packing and 18-a seal packing gland.
19-sealing packing gland, 20-sealing packing and 21-discharging joint shell.
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 drawing of the large-drift-diameter multi-channel high-temperature high-pressure rotary joint is shown in figure 1, and the large-drift-diameter multi-channel high-temperature high-pressure rotary joint comprises three parts: heat medium discharges slewer, material discharge slewer and waste gas clearance recovery unit.
The assembly and installation diagram of the heat medium discharge slewing gear is shown in figure 2, a reaction kettle body 1 and a kettle body connecting piece 2 are fixed 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, the inner hole of the clamping ring 4 is clamped in an outer annular groove of the central pipe 11 of the heat medium connector, the flange 3 and the clamping ring 4 are pressed by bolts and nuts through clamping grooves of the central pipe 11 of the heat medium connector to compress the end surface of the central pipe 11 of the heat medium connector on the end surface of an outer flange of the kettle body connecting piece 2, and a high-temperature-resistant asbestos sealing gasket (the serial number is not marked in the drawing) is arranged between the two connecting end surfaces for sealing.
The inner flange of the kettle body connecting piece 2 is connected with the flange surface welded on the material discharging central pipe 5, and a high-temperature resistant asbestos sealing gasket (not shown in the figure) is also clamped between the two flange surfaces to ensure the gas pressure leakage in the reaction kettle body 1. On the outer circular surface of the other side of the central discharge pipe 5, a packing sealing device is designed for preventing leakage, the packing sealing box 16 is a packing sealing box and is also a left flange surface of the heat medium exhaust rotary joint, the packing sealing box 16 is a welded structural member, the packing sealing box 16 is sleeved on the central discharge pipe 5, a sealing packing 17 is arranged in an annular gap formed between the packing sealing box and the central discharge pipe, the left end of the sealing packing 17 is tightly pressed by a sealing packing pressing cover 18 through a screw, the right end of the sealing packing 17 is tightly pressed on the inner hole end surface of the packing sealing box 16, meanwhile, the end surface of the sealing packing pressing cover 18 and the inner hole end surface of the packing sealing box 16 are both conical surfaces, so that the packing 17 is subjected to axial and radial pressures, and the radial and axial directions of the connection circumferential surface at the position can be tightly pressed and tightly pressed through the structural form.
A sliding bearing sleeve 7 is arranged in an inner hole of the right sliding bearing seat 8, and a right sliding bearing gland 6 is pressed on the outer end face of the sliding bearing sleeve 7 to prevent the sliding bearing sleeve 7 from rotating along with the heat medium joint central pipe 11 and from axially moving outwards in the working process. The right sliding bearing block 8 is a flange connection structure, and is connected with a right flange of the heating medium exhaust joint shell 9 through bolts and nuts, and an asbestos sealing gasket (not shown in the figure) is installed 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 sealing is realized, and the aim of aligning is fulfilled. The left end face of the graphite sealing ring 10 is tightly attached to an annular baffle plate welded on the heat medium joint central pipe 11 to realize sealing, and the end face of the annular baffle plate of the heat medium joint central pipe 11 and the left end face of the right sliding bearing seat 8 are subjected to grinding processing to ensure lower roughness so as to reliably seal and reduce the abrasion of the graphite sealing ring 10.
At the left end of the heating medium exhaust joint housing 9, a flange of the packing seal box 16 is connected to a flange of the heating medium exhaust joint housing 9, and an asbestos gasket (not shown) is mounted in the middle. Tapping a threaded hole on the end face of the packing seal box 6, installing a circle of spring adjusting screw 15, pushing a spring seat 14 by one end of the spring adjusting screw 15, pressing the spring seat 14 on the end face of a spring 13, pressing the spring 13 in a left counter bore of a left sliding bearing 12, pressing the left sliding bearing 12 on the end face of a left annular baffle of a heat medium joint central pipe 11, realizing end face positioning, simultaneously, clearance fitting between an inner hole of the left sliding bearing 12 and an outer circle of the heat medium joint central pipe 11, clearance fitting between an outer circle of the left sliding bearing 12 and an inner hole of a heat medium exhaust joint shell 9, realizing radial positioning, namely slewing bearing, and adopting a shaft sleeve type structure for the left sliding bearing.
The flange on the heating medium exhaust joint shell 9 is connected with an external heating medium exhaust pipeline (not shown in the figure) to lead out the heating medium, and the heating medium exhaust joint shell 9 is fixed and does not rotate. The two ends of the heating 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 heating medium joint central pipe 11 to realize axial and radial slewing bearing, and the heating medium joint central pipe 11 rotates along with the reaction kettle body 1. The discharge central pipe 5 also rotates along with the reaction kettle body 1, and the left side of the discharge central pipe 5 is supported by the packing seal box 16, the seal packing 17 and the packing gland 18, so that the two points inside and outside the discharge central pipe 5 are supported and the stress is reasonable.
In the rotary working process of the reaction kettle, a heat medium exhaust circuit is formed by a jacket on the reaction kettle body 1, passes through a radial large hole of a kettle body connecting piece 2 fixedly connected on the reaction kettle body 1, passes through an annular gap between a central discharge pipe 5 and a central heat medium joint pipe 11, passes through a radial large hole formed in the central heat medium joint pipe 11, enters a shell of the heat medium exhaust joint, and is discharged to a pipeline above.
The assembly and installation of the material discharge turning device is shown in figure 3. The material discharging and turning device is integrally arranged on the material discharging central pipe 5 and has a bilateral symmetry structure. The discharging joint shell 21 is provided with an interface for discharging materials and an interface for discharging waste gas, packing seal boxes are arranged at the left end and the right end of the discharging joint shell 21, a sealing packing 20 is arranged in an annular gap formed between a packing seal box hole of the discharging joint shell 21 and the outer circle of the discharging central tube 5, the outer end of the sealing packing 20 is pressed by a sealing packing press cover 19 through screws, the inner end of the sealing packing 20 is pressed on the inner end surface of the hole of the packing seal box, meanwhile, the end surface of the sealing packing press cover 19 and the end surface of the hole of the packing seal box are conical surfaces, so that the sealing packing 20 is subjected to axial pressure and radial pressure, and the radial and axial directions of the connecting circumferential surface at the position can be tightly pressed and sealed through the structure.
The discharge central tube 5 is fixedly connected with the reaction kettle body 1 for rotary motion, the discharge joint shell 21 and components forming the packing seal are fixed and do not rotate, and the seal packing 20 and the discharge central tube 5 have relative rotary motion.
The waste gas cleaning and recycling device is shown in fig. 4, 4 connecting flange ports are formed in the waste gas discharging shell 22, and the whole waste gas cleaning and recycling device is fixedly installed through the connection of a lower flange of the waste gas discharging shell 22 and an upper flange of the discharging joint shell 21 of the material discharging rotary joint. The cleaning device sealing cover 25 and the motor reducer 28 of the cleaning device are fixed on the upper right flange of the waste gas discharge shell 22, the safety valve 29 is installed on the upper left flange of the waste gas discharge shell 22, and the left horizontal flange of the waste gas discharge shell 22 is connected with a discharge pipeline. The brush 24 is fixed to the brush cleaning shaft 23 in a multi-head spiral manner, and a double fixing method of clamping and bonding by a spiral clamping plate and an adhesive can be adopted. The brush cleaning shaft 23 is axially and radially positioned by an output hole on the motor reducer 28, and the brush cleaning shaft 23 is driven to rotate by the motor reducer 28. The annular clearance that forms in the middle of the packing seal box hole of the sealed lid 25 of cleaning device and the brush clearance axle 23 excircle is packed into sealed packing 26, the outer end of sealed packing 26 is compressed tightly through the screw by packing gland 27, the lower extreme of sealed packing 26 compresses tightly on the downthehole terminal surface of the packing seal box of the sealed lid 25 of cleaning device, and simultaneously, packing gland 27 terminal surface and the sealed packing box's of the sealed lid 25 of cleaning device hole terminal surface are the conical surface, make sealed packing 20 receive axial and radial pressure, all can lean on the pressure tight seal with the radial of the connection periphery here and axial through this kind of structural style.
In the working process, the principle of separating and cleaning gas and solid dust is as follows: when the gas emission is discharged through the device, when the motor reducer 28 drives the brush cleaning shaft to rotate, the brush 24 can block and filter solid dust in the gas emission, so that gas and dust solid are separated, the adhered dust on the inner wall of the vertical pipe of the waste gas emission shell is cleaned through the rotation of the brush cleaning shaft 23, the solid dust adhered to the brush is also separated through the vibration of the brush 24, and the dust is discharged downwards to the material outlet through the brush 24 which is spirally discharged, so that the material is recovered.
The second embodiment: the present embodiment is basically the same as the first embodiment, and the differences are that: different embodiments can be formed by changing the connection mode between the central pipe 11 of the heat medium connector and the kettle connector 2, for example, a connection flange is made at the right end of the central pipe of the heat medium connector, and the central pipe is connected with the connection flange at the left end of the kettle connector 2 through a connection bolt.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications made according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a big latus rectum multichannel high temperature high pressure rotary joint, contains heat medium and discharges slewer, material and discharges slewer and waste gas clearance recovery unit, characterized by: the heat medium discharging and turning device comprises a kettle connecting piece, a discharging central pipe, a heat medium joint central pipe and a heat medium exhaust joint shell, wherein the kettle connecting piece is cylindrical, through holes are formed in the wall of the kettle at intervals along the circumference, the kettle 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 connecting piece, a cavity is formed between the discharging central pipe and the kettle connecting piece, the inner end of the discharging central pipe is connected with the inner end of the kettle connecting piece, and a high-temperature-resistant asbestos sealing gasket is arranged between the discharging central pipe and the kettle connecting piece;
the outer end of the kettle body connecting piece is connected with one end of the heat medium joint central pipe through a connecting piece, a high-temperature-resistant asbestos sealing gasket is arranged between the outer end of the kettle body connecting piece and the heat medium joint central pipe, the heat medium joint central pipe is sleeved with the heat medium exhaust joint shell, 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 rotatably and hermetically connected with the pipe wall of the heat medium joint central pipe, and the other end of the heat medium exhaust joint shell is rotatably and hermetically connected with the pipe wall of the discharge central pipe;
the material discharging and turning device comprises a discharging joint shell, the discharging joint shell is sleeved on the pipe wall of one end, far away from the kettle body, of the discharging central pipe, a cavity is formed between the discharging joint shell and the discharging joint shell, the discharging central pipe is communicated with the discharging joint shell through holes in the pipe wall, the two ends of the discharging joint shell are respectively in rotary sealing connection with the pipe wall of the discharging central pipe, a discharging port is formed in the lower end of the discharging joint shell, an exhaust port is formed in the upper end of the discharging joint shell, and a blocking plate is arranged on the end face, far away from the kettle body, of the discharging central pipe;
the waste gas cleaning and recycling device comprises a waste gas discharging shell and a waste gas discharging pipe, the lower end of the waste gas discharging shell is communicated with a gas outlet 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-bore multichannel high-temperature high-pressure swivel joint as claimed in claim 1, wherein: an outer annular groove is formed in the outer wall of one end of the central pipe of the heat medium joint, a clamping ring is arranged in the outer annular groove, the clamping ring is of a two-half structure and is connected through connecting pieces in a movable mode, the outer conical surface of the clamping ring is matched with the inner conical hole of the connecting flange, the connecting flange is connected with the flange at the end portion of the kettle body connecting piece through the connecting bolt, the central pipe of the heat medium joint is connected with the kettle body connecting piece, and a high-temperature-resistant asbestos sealing gasket is arranged between the flanges.
3. The large-bore multi-channel 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 on two sides of a through hole in the pipe wall of the central pipe of the heat medium joint.
4. The large-bore multi-channel high-temperature high-pressure swivel joint as claimed in claim 3, wherein: the right end of the heating 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 of the heating medium exhaust joint shell and the right sliding bearing seat, a sliding bearing sleeve is installed in an inner hole of the right sliding bearing seat, and a right sliding bearing gland is pressed on the outer end face of the sliding bearing sleeve and used for preventing the sliding bearing sleeve from rotating along with a heating medium joint central pipe and axially moving outwards 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 face of the graphite sealing ring, so that the sealing and the aligning can be realized, and the left end face of the graphite sealing ring is tightly attached to the right annular baffle plate to realize the sealing.
5. The large-bore multi-channel high-temperature high-pressure swivel joint as claimed in claim 3, wherein: the left end of the heating medium exhaust joint shell is connected with a packing seal box, a high-temperature-resistant asbestos sealing gasket is arranged between the left end of the heating medium exhaust joint shell and the packing seal box, the packing seal box is sleeved on the discharge central pipe, a sealing packing is arranged in an annular gap formed between the packing seal box and the discharge central pipe, 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 hole end face of the packing seal box, and meanwhile, the end face of the sealing packing gland and the inner hole end face of the packing seal box are conical surfaces, so that the sealing packing is subjected to axial and radial pressures, and the radial and axial directions of the connecting circumferential surface at the position can be pressed and sealed tightly; and a left sliding bearing is arranged between the left end of the heating medium exhaust joint shell and the heating medium joint central pipe.
6. The large-bore multi-channel high-temperature high-pressure swivel joint of claim 5, wherein: tapping screw holes on the end face of the packing seal box, installing spring adjusting screws at intervals along the circumference, wherein one end of each spring adjusting screw props against a spring seat, the spring seats are pressed on the end face of each spring, so that the springs are pressed in left counter bores of left sliding bearings, and the left sliding bearings are pressed on the end faces of left annular baffles of the heat medium joint central pipes to achieve end face positioning.
7. The large-bore multi-channel high-temperature high-pressure swivel joint of claim 1, wherein: it does not be provided with packing seal box equally divide to discharge joint casing's the left and right sides both ends, discharge joint casing's packing seal box hole with arrange the annular gap that forms in the middle of the material center tube excircle and pack sealed packing into, sealed packing's outer end is compressed tightly through the screw by sealed packing gland, sealed packing's the inner compresses tightly on packing seal box's the downthehole terminal surface, simultaneously, sealed packing gland terminal surface and packing seal box's hole terminal surface are the conical surface, make sealed packing receives axial and radial pressure, all can lean on the pressure to seal with the radial and the axial of the connection periphery here.
8. The large-bore multichannel high-temperature high-pressure swivel joint as claimed in 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 mode, and a double fixing method that a spiral clamping plate and an adhesive are clamped and bonded can be adopted in the fixing mode; the brush cleaning shaft is axially and radially positioned by an output hole on the motor speed reducer, and the brush cleaning shaft 23 is driven to rotate by the motor speed reducer; the packing gland sealing box hole of the cleaning device sealing cover and the annular gap formed in the middle of the outer circle of the brush cleaning shaft are filled with a 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 packing sealing box of the cleaning device sealing cover, and meanwhile, the end face of the packing gland and the end face of the hole of the packing sealing box of the cleaning device sealing cover are both conical surfaces, so that the sealing packing is subjected to axial and radial pressure, and the radial and axial directions of the connecting circumferential surface at the position can be tightly sealed by means of the structure.
CN202210838928.1A 2022-07-18 2022-07-18 Large-diameter multi-channel high-temperature high-pressure rotary joint Active CN115218050B (en)

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CN202210838928.1A CN115218050B (en) 2022-07-18 2022-07-18 Large-diameter multi-channel high-temperature high-pressure rotary joint

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CN202210838928.1A CN115218050B (en) 2022-07-18 2022-07-18 Large-diameter multi-channel high-temperature high-pressure rotary joint

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023231A1 (en) * 2004-05-07 2005-12-01 Felix Mittelfarwick Fluid transition mechanism, has sealing rings shifted in axial direction, by pressure of liquid, in sealing position, where rings are shifted to separating position in absence of liquid pressure
DE102008046890A1 (en) * 2007-09-14 2009-06-25 Vrska Press Hungary Kft Rotary feedthrough for use with axial slide ring seals, has stationary housing with heat carrier medium inlet or outlet, and is arranged in atmosphere of room
CN203404523U (en) * 2013-08-22 2014-01-22 滕州市宇航旋转接头制造有限公司 Multi-channel distribution type rotating joint
CN103851289A (en) * 2012-12-05 2014-06-11 天华化工机械及自动化研究设计院有限公司 Large-sized high-temperature and high-pressure rotary joint
CN104214453A (en) * 2014-09-01 2014-12-17 湘潭大学 Dual-channel rotary joint
CN107246772A (en) * 2017-07-21 2017-10-13 常熟市中联光电新材料有限责任公司 Double-cone vacuum dryer
CN208268605U (en) * 2018-05-14 2018-12-21 北京京科名创工程技术有限公司 Rotary joint
CN208671708U (en) * 2018-08-24 2019-03-29 洛阳恒立窑炉有限公司 A kind of device convenient for reducing the discharge of electrical kiln furnace exhaust
CN209371635U (en) * 2018-12-18 2019-09-10 嘉施利(荆州)化肥有限公司 A kind of drying fluidized-bed of monoammonium phosphate

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023231A1 (en) * 2004-05-07 2005-12-01 Felix Mittelfarwick Fluid transition mechanism, has sealing rings shifted in axial direction, by pressure of liquid, in sealing position, where rings are shifted to separating position in absence of liquid pressure
DE102008046890A1 (en) * 2007-09-14 2009-06-25 Vrska Press Hungary Kft Rotary feedthrough for use with axial slide ring seals, has stationary housing with heat carrier medium inlet or outlet, and is arranged in atmosphere of room
CN103851289A (en) * 2012-12-05 2014-06-11 天华化工机械及自动化研究设计院有限公司 Large-sized high-temperature and high-pressure rotary joint
CN203404523U (en) * 2013-08-22 2014-01-22 滕州市宇航旋转接头制造有限公司 Multi-channel distribution type rotating joint
CN104214453A (en) * 2014-09-01 2014-12-17 湘潭大学 Dual-channel rotary joint
CN107246772A (en) * 2017-07-21 2017-10-13 常熟市中联光电新材料有限责任公司 Double-cone vacuum dryer
CN208268605U (en) * 2018-05-14 2018-12-21 北京京科名创工程技术有限公司 Rotary joint
CN208671708U (en) * 2018-08-24 2019-03-29 洛阳恒立窑炉有限公司 A kind of device convenient for reducing the discharge of electrical kiln furnace exhaust
CN209371635U (en) * 2018-12-18 2019-09-10 嘉施利(荆州)化肥有限公司 A kind of drying fluidized-bed of monoammonium phosphate

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