阅读说明：本技术 带双s弯水封的回水装置 (Water return device with double S-shaped bent water seal ) 是由 岳正喜 岳斌斌 石芳芳 岳生文 于 2020-12-25 设计创作，主要内容包括：本发明涉及一种带双S弯水封的回水装置,该装置安装在滚筒的端部,其包括旋转接头、安装在旋转接头与滚筒之间的回水管组,所述的回水管组包括依次接通的转接管、柔性蒸汽导管和U型水封管,所述的旋转接头同轴设置在滚筒的一端,旋转接头上排气管的内端密封垂直接通在分配管的中段位置,在分配管的两端均密封固定有与其内部连通的U型水封管,每根U型水封管的自由端均密封固定有与其内部连通的柔性蒸汽导管,柔性蒸汽导管的自由端密封固定有与其内部连通的转接管,该转接管的自由端密封固定在与其内部连通的第一汇总管上；本发明结构合理,便于安装,且在冷凝水排出的过程中,通过U型水封管的水封作用降低蒸汽的浪费量。(The invention relates to a water return device with double S-shaped bent water seals, which is arranged at the end part of a roller and comprises a rotary joint and a water return pipe group arranged between the rotary joint and the roller, wherein the water return pipe group comprises a switching pipe, a flexible steam conduit and a U-shaped water seal pipe which are sequentially communicated; the invention has reasonable structure and convenient installation, and reduces the waste amount of steam through the water seal effect of the U-shaped water seal pipe in the process of discharging condensed water.)

1. Take return water device of two S bent water seals, the device is installed at the tip of cylinder, and it includes rotary joint, installs the return water nest of tubes between rotary joint and cylinder, characterized by:

the backwater nest of tubes including the switching pipe, flexible steam pipe and the U type water seal pipe that switch on in proper order, the coaxial setting of rotary joint in the one end of cylinder, the sealed vertical fixation in the middle section position of distributing pipe in the inner of the last blast pipe of rotary joint, and foretell blast pipe is linked together with the distributing pipe, all sealed U type water seal pipe rather than inside intercommunication that is fixed with at the both ends of distributing pipe, the free end of every U type water seal pipe all sealed be fixed with rather than the flexible steam pipe of inside intercommunication, the free end of flexible steam pipe is sealed be fixed with rather than the switching pipe of inside intercommunication, the free end of this switching pipe is sealed to be fixed on rather than the first manifold of inside intercommunication, this first manifold is fixed on the inner wall of cylinder, and be fixed with the cooling tube of a plurality of and first manifold switch-on the cylinder inner wall.

2. The water returning device with the double S-bend seal as claimed in claim 1, wherein: the connecting end between the adapter tube and the flexible steam conduit is respectively fixed with a first flange and a second flange, the first flange and the second flange are correspondingly sealed and fixed together through a first bolt, and the interior of the adapter tube is communicated with the interior of the flexible steam conduit.

3. The water returning device with the double S-bend seal as claimed in claim 1, wherein: and a third flange disc and a fourth flange disc are respectively fixed at the connecting end between the flexible steam conduit and the U-shaped water seal pipe, the third flange disc and the fourth flange disc are correspondingly sealed and fixed together through a second bolt, and the inside of the U-shaped water seal pipe is communicated with the inside of the flexible steam conduit.

4. The water returning device with the double S-bend seal as claimed in claim 1, wherein: and a fifth flange and a sixth flange are respectively fixed at the connecting ends between the U-shaped water seal pipe and the distribution pipe, the fifth flange and the sixth flange are correspondingly sealed and fixed together through a third bolt, and the inside of the U-shaped water seal pipe is communicated with the inside of the distribution pipe.

5. The water returning device with the double S-bend seal as claimed in claim 1, wherein: the U-shaped water seal pipes connected with the two ends of the distribution pipe are centrosymmetric about the axis of the exhaust pipe, and the distribution pipe and the two U-shaped water seal pipes are S-shaped.

6. The water returning device with the double S-bend seal as claimed in claim 1, wherein: the inner wall of cylinder on be fixed with a plurality of cooling tubes along its inner periphery equipartition, every cooling tube all sets up along the generating line direction of cylinder, and the both ends of every cooling tube seal the switch-on with first manifold and second manifold respectively, and first manifold and second manifold fix on the inner wall of cylinder.

7. The water returning device with the double-S-shaped elbow seal according to claim 6, which is characterized in that: the radiating tube, the first collecting pipe and the second collecting pipe are semicircular pipes buckled on the inner wall of the roller, and the radiating tube, the first collecting pipe and the second collecting pipe are fixed with the inner wall of the roller in a sealing mode.

8. The water returning device with the double-S-shaped elbow seal according to claim 7, which is characterized in that: the first collecting pipe and the second collecting pipe are both in an end-to-end annular shape.

9. The water returning device with the double S-bend seal as claimed in claim 1, wherein: still be connected with water-collecting tube group between switching pipe and the first collection pipe, this water-collecting tube group is for the semicircle form that matches with the cylinder barrel and fix on the outer wall of cylinder.

10. The water returning device with the double-S-shaped elbow seal according to claim 9, which is characterized in that: the water collecting pipe group comprises three single pipes which are arranged in parallel correspondingly, the end parts of the same ends of the three single pipes are fixedly communicated on the same sealed communication short pipe, each communication short pipe is communicated with the first collecting pipe through a straight pipe which penetrates through the wall of the roller, and the switching pipe is fixedly communicated on one of the communication short pipes in the water collecting pipe group.

Technical Field

The invention relates to the technical field of drying machine equipment, in particular to a water return device with double S-shaped bent water seals.

Background

The drum-type drying equipment is one of important equipment which is used for drying materials such as cigarettes, foods, materials, flowers and the like for many years, the existing drum-type drying equipment can be divided into two types according to the properties of drying heat sources, namely a hot air heat exchange type drying machine and a steam heat exchange type drying machine, the hot air heat exchange type drying machine generally takes away moisture by directly introducing hot air into a drum as the drying heat source, namely the materials are turned over and sprinkled in the drum and simultaneously contacted with the communicated hot air to realize drying, as the drying equipment is in a feeding and discharging state, most of the heat of the hot air is not utilized in the drying process, the energy utilization rate is low, the defects of the hot air heat exchange type drying machine are more prominent, the steam heat exchange type drying machine is promoted to be born, and the steam heat exchange type drying machine is fully distributed on the inner wall of the drum through radiating pipes, let in hot steam in the radiator pipe, the material is in the cylinder turn over when shedding and is realized drying with the cooling tube contact, however steam in the radiator pipe can become vapor after the heat exchange, need in time discharge, generally adopt the rotary joint with cylinder coaxial arrangement, direct weld communicating pipe between rotary joint and cylinder inner wall cooling tube, at first the cylinder rotates in-process and can produce slight relative motion between its and the rotary joint, this just leads to above-mentioned communicating pipe to be constantly rubbed under the effect of the alternating stress and makes the junction at its both ends very easily damaged, moreover, communicating pipe passes through rotary joint and external intercommunication directly, discharge along with the comdenstion water with the steam that has not yet utilized in the radiator pipe very easily, the energy waste is big, high in production cost.

Disclosure of Invention

In order to solve the problems, the invention provides a water return device with double S-shaped bent water seals.

The specific contents are as follows: take return water device of two S bent water seals, the device is installed at the tip of cylinder, and it includes rotary joint, installs the return water nest of tubes between rotary joint and cylinder, characterized by:

the backwater nest of tubes including the switching pipe, flexible steam pipe and the U type water seal pipe that switch on in proper order, the coaxial setting of rotary joint in the one end of cylinder, the sealed vertical fixation in the middle section position of distributing pipe in the inner of the last blast pipe of rotary joint, and foretell blast pipe is linked together with the distributing pipe, all sealed U type water seal pipe rather than inside intercommunication that is fixed with at the both ends of distributing pipe, the free end of every U type water seal pipe all sealed be fixed with rather than the flexible steam pipe of inside intercommunication, the free end of flexible steam pipe is sealed be fixed with rather than the switching pipe of inside intercommunication, the free end of this switching pipe is sealed to be fixed on rather than the first manifold of inside intercommunication, this first manifold is fixed on the inner wall of cylinder, and be fixed with the cooling tube of a plurality of and first manifold switch-on the cylinder inner wall.

Preferably, a first flange plate and a second flange plate are respectively fixed at the connecting end between the adapter tube and the flexible steam conduit, the first flange plate and the second flange plate are correspondingly sealed and fixed together through a first bolt, and the interior of the adapter tube is communicated with the interior of the flexible steam conduit.

Preferably, a third flange disc and a fourth flange disc are respectively fixed at the connecting end between the flexible steam conduit and the U-shaped water seal pipe, the third flange disc and the fourth flange disc are correspondingly sealed and fixed together through a second bolt, and the interior of the U-shaped water seal pipe is communicated with the interior of the flexible steam conduit.

Preferably, a fifth flange and a sixth flange are respectively fixed at the connecting ends between the U-shaped water seal pipe and the distribution pipe, the fifth flange and the sixth flange are correspondingly sealed and fixed together through a third bolt, and the inside of the U-shaped water seal pipe is communicated with the inside of the distribution pipe.

Preferably, the U-shaped water-sealed pipes connected with the two ends of the distribution pipe are centrosymmetric about the axis of the exhaust pipe, and the distribution pipe and the two U-shaped water-sealed pipes are S-shaped.

Preferably, the inner wall of cylinder on be fixed with a plurality of cooling tubes along its inner periphery equipartition, every cooling tube all sets up along the generating line direction of cylinder, and the both ends of every cooling tube respectively with first manifold and the sealed switch-on of second manifold, and first manifold and second manifold fix on the inner wall of cylinder.

Preferably, the radiating pipe, the first collecting pipe and the second collecting pipe are semicircular pipes buckled on the inner wall of the roller, and the radiating pipe, the first collecting pipe and the second collecting pipe are fixed with the inner wall of the roller in a sealing mode.

Preferably, the first collecting pipe and the second collecting pipe are both in an end-to-end annular shape.

Preferably, a water collecting pipe set is further connected between the adapter pipe and the first collecting pipe, is semicircular and is fixed on the outer wall of the roller, and the water collecting pipe set is matched with the roller body.

Preferably, the water collecting pipe group comprises three single pipes which are arranged in parallel, the end parts of the same ends of the three single pipes are fixedly communicated with the same sealed communicating short pipe, each communicating short pipe is communicated with the first collecting pipe through a straight pipe which penetrates through the wall of the roller, and the switching pipe is fixedly communicated with one communicating short pipe in the water collecting pipe group.

The invention has the beneficial technical effects that: the invention relates to a water return device with double S-shaped bent water seals, which is characterized in that firstly, in the process of discharging condensed water from a rotary joint through a water return pipe group from a first collecting pipe through a water return pipe group, the storage space of the condensed water is increased through a U-shaped water seal pipe and a water collecting pipe group, the storage capacity of the condensed water is ensured, the discharging distance and the discharging time of the condensed water are prolonged, the water seal effect on water vapor in the discharging process of the condensed water is increased, the amount of the steam carried out in the process of discharging the condensed water is reduced as much as possible, the waste amount of the steam is reduced, the cost is reduced, the energy consumption is reduced, and the drying efficiency of a dryer is improved; secondly, the flexible steam guide pipe has higher degree of freedom of movement and lower requirements on the positions of the connecting parts at the two ends and the machining precision, so that the whole water return pipe group is more convenient to mount, the construction difficulty is reduced, and the working efficiency is improved; moreover, when the roller is overhauled and maintained in the later period, even if the position of the roller and the rotary joint is relatively changed, the structure of the water return pipe group and the connection part of the two ends of the water return pipe group cannot be influenced, the maintenance difficulty is reduced, and the maintenance cost is reduced; finally, in the whole rotation operation process of the roller, slight relative motion can be generated between the roller and the rotary joint certainly, when the relative motion occurs, the flexible steam guide pipe can utilize the flexible pipe body to compensate the deviation generated by the relative motion, so that variable kneading force caused by the deviation is offset, the stability of the structure of the water return pipe group and the firmness of the joints of the two ends of the water return pipe group are ensured, the failure rate of equipment is reduced, the production efficiency is ensured, and the continuous production of a factory is facilitated.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a water returning device with double S-shaped bent water seals arranged on a roller;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 3;

FIG. 5 is an enlarged view of D in FIG. 4;

FIG. 6 is a cross-sectional view taken in the direction E-E of FIG. 5;

FIG. 7 is a cross-sectional view taken in the direction F-F of FIG. 5;

FIG. 8 is a perspective view of a header assembly;

in the figure: 11, a roller, 12, a radiating pipe, 13, a first collecting pipe, 14, a rotary joint, 15, an exhaust pipe on the rotary joint, 16, a distributing pipe, 17, a U-shaped water seal pipe, 18, a flexible steam guide pipe, 19, a switching pipe, 20, a single pipe, 21, a communication short pipe, 22, a straight pipe, 23, a first flange plate, 24, a second flange plate, 25, a first bolt, 26, a third flange plate, 27, a fourth flange plate, 28, a second bolt, 29, a fifth flange plate, 30, a sixth flange plate, 31, a third bolt and 32, and a second collecting pipe.

Detailed Description

In the first embodiment, referring to fig. 1-8, a water return device with double S-bend water seals is installed at the end of a drum and comprises a rotary joint and a water return pipe group installed between the rotary joint and the drum;

the backwater nest of tubes including the switching pipe, flexible steam pipe and the U type water seal pipe that switch on in proper order, the coaxial setting of rotary joint in the one end of cylinder, the sealed vertical fixation in the middle section position of distributing pipe in the inner of the last blast pipe of rotary joint, and foretell blast pipe is linked together with the distributing pipe, all sealed U type water seal pipe rather than inside intercommunication that is fixed with at the both ends of distributing pipe, the free end of every U type water seal pipe all sealed be fixed with rather than the flexible steam pipe of inside intercommunication, the free end of flexible steam pipe is sealed be fixed with rather than the switching pipe of inside intercommunication, the free end of this switching pipe is sealed to be fixed on rather than the first manifold of inside intercommunication, this first manifold is fixed on the inner wall of cylinder, and be fixed with the cooling tube of a plurality of and first manifold switch-on the cylinder inner wall. The switching pipe and the distributing pipe are metal hard pipes welded on the corresponding pipe body, the flexible steam conduit is a flexible metal hose, and the U-shaped water sealing pipe is a metal hard pipe. The water vapor is gathered in the U-shaped water sealing pipe to form the water sealing effect on the water vapor, the amount of the vapor carried out is reduced as much as possible in the process of discharging the condensed water, and the waste amount of the vapor is reduced.

The connecting end between the adapter tube and the flexible steam conduit is respectively fixed with a first flange and a second flange, the first flange and the second flange are correspondingly sealed and fixed together through a first bolt, and the interior of the adapter tube is communicated with the interior of the flexible steam conduit. And a third flange disc and a fourth flange disc are respectively fixed at the connecting end between the flexible steam conduit and the U-shaped water seal pipe, the third flange disc and the fourth flange disc are correspondingly sealed and fixed together through a second bolt, and the inside of the U-shaped water seal pipe is communicated with the inside of the flexible steam conduit. And a fifth flange and a sixth flange are respectively fixed at the connecting ends between the U-shaped water seal pipe and the distribution pipe, the fifth flange and the sixth flange are correspondingly sealed and fixed together through a third bolt, and the inside of the U-shaped water seal pipe is communicated with the inside of the distribution pipe. The pipes are connected through the flange plate, so that the installation and the disassembly are convenient, and the daily maintenance is convenient.

The U-shaped water seal pipes connected with the two ends of the distribution pipe are symmetrical about the axis center of the exhaust pipe, the distribution pipe and the two U-shaped water seal pipes are S-shaped, and the water seal time and the water seal effect of the two U-shaped water seal pipes are kept to the maximum degree in the process that the U-shaped water seal pipes rotate along with the roller.

The inner wall of cylinder on be fixed with a plurality of cooling tubes along its inner periphery equipartition, every cooling tube all sets up along the generating line direction of cylinder, and the both ends of every cooling tube seal the switch-on with first manifold and second manifold respectively, and first manifold and second manifold fix on the inner wall of cylinder.

The radiating tube, the first collecting pipe and the second collecting pipe are semicircular tubes buckled on the inner wall of the roller, the radiating tube, the first collecting pipe and the second collecting pipe are fixed with the inner wall of the roller in a sealing mode, and the first collecting pipe and the second collecting pipe are circular rings connected end to end.

The utility model discloses a drum barrel, including drum barrel, switching pipe and first collection nest of tubes, the drum barrel is equipped with the first collection nest of tubes, the first collection nest of tubes that still is connected with between switching pipe and the first collection nest of tubes, this collection nest of tubes for the semicircle form that matches with the drum barrel and fix on the outer wall of drum, the collection nest of tubes include three corresponding parallel arrangement's monomer siphunculums, the tip of the same one end of three monomer siphunculums is all fixed the switch-on same root sealed intercommunication nozzle stub, every intercommunication nozzle stub all through a straight tube and the first collection nest of tubes switch-on that runs through the drum barrel wall, and foretell switching pipe is fixed the switch-on one of them intercommunication nozzle stub in collection nest of tubes. The storage space of comdenstion water is increased through the water-collecting pipe group, guarantees the storage capacity of comdenstion water, prolongs comdenstion water exhaust distance and exhaust time, increases the water seal effect to steam among the comdenstion water discharge process, reduces the volume that steam was taken away as far as possible at the in-process of discharge comdenstion water, reduces the extravagant volume of steam, reduce cost, reduces the energy consumption, improves the drying efficiency of drying-machine.

The working process and principle of the invention are as follows:

the invention relates to a water return device with double S-shaped bent water seals, wherein a rotary joint and a roller are both arranged on a rack of a dryer, the rotary joint is fixed, an exhaust pipe of the rotary joint coaxially rotates along with the roller, steam circulating in a radiating pipe is converted into condensate water after heat exchange, and the condensate water is discharged from the rotary joint after passing through a water return pipe group and a water collecting pipe group from a first collecting pipe;

firstly, in the process that condensed water is discharged from a rotary joint through a return water pipe group from a first collecting pipe, the storage space of the condensed water is increased through a U-shaped water seal pipe and a water collecting pipe group, the storage capacity of the condensed water is ensured, the discharging distance and the discharging time of the condensed water are prolonged, the water seal effect on water vapor in the discharging process of the condensed water is increased, the amount of the vapor carried away is reduced as much as possible in the process of discharging the condensed water, the waste amount of the vapor is reduced, the cost is reduced, the energy consumption is reduced, and the drying efficiency of a dryer is improved; secondly, the flexible steam guide pipe has higher degree of freedom of movement and lower requirements on the positions of the connecting parts at the two ends and the machining precision, so that the whole water return pipe group is more convenient to mount, the construction difficulty is reduced, and the working efficiency is improved; moreover, when the roller is overhauled and maintained in the later period, even if the position of the roller and the rotary joint is relatively changed, the structure of the water return pipe group and the connection part of the two ends of the water return pipe group cannot be influenced, the maintenance difficulty is reduced, and the maintenance cost is reduced; finally, in the whole rotation operation process of the roller, slight relative motion can be generated between the roller and the rotary joint certainly, when the relative motion occurs, the flexible steam guide pipe can utilize the flexible pipe body to compensate the deviation generated by the relative motion, so that variable kneading force caused by the deviation is offset, the stability of the structure of the water return pipe group and the firmness of the joints of the two ends of the water return pipe group are protected, the failure rate of equipment is reduced, the production efficiency is ensured, and the continuous production of a factory is facilitated.