[0035] The present invention will be further described below in conjunction with embodiments.
[0036] Such as figure 1 As shown, a magnetic coupling transmission sealing device with a high-efficiency heat exchange system includes an external magnetic steel component 9, a sealing cover component 7, an internal magnetic steel component 8, an upper drive shaft 1 and a bearing group. The above-mentioned components and their interconnection relationships are the same as those in the prior art, and are well known to those skilled in the art, and will not be repeated here.
[0037] The upper transmission shaft 1, the outer shell of the bearing group is provided with internal heat exchange components, and the external magnetic steel component 9 is provided with an external heat exchange component. The lower end of the external heat exchange component is connected with the sealing cover assembly 7 and the reaction kettle connecting flange 4, and the external heat exchange The upper end of the thermal assembly and the outer magnetic steel assembly 9 is connected with an upper liquid sealing assembly 39.
[0038] Such as figure 2 As shown, the internal heat exchange assembly includes an upper heat exchange assembly 6, a lower heat exchange assembly 3, and a supporting flange 17 connecting the upper heat exchange assembly 6 and the lower heat exchange assembly 3; the upper heat exchange assembly 6 is provided with an upper annular cavity 20. The lower heat exchange assembly 3 is provided with a lower annular cavity 15; the supporting flange 17 is provided with two sets of heat exchange medium inlet and outlet assemblies 5, which are the upper heat exchange medium inlet and outlet assemblies and the lower heat exchange medium inlet and outlet assemblies. The upper heat exchange medium inlet and outlet assembly includes an upper heat exchange medium inlet pipe 18a, an upper heat exchange medium outlet pipe 18d, and the lower heat exchange medium inlet and outlet assembly includes a lower heat exchange medium inlet pipe 18b and a lower heat exchange medium inlet pipe 18c; The heat exchange medium inlet and outlet assembly communicates with the upper annular cavity 20, and the lower heat exchange medium inlet and outlet assembly communicates with the lower annular cavity 15.
[0039] The bearing group includes an upper bearing group 23 and a lower bearing group 2.
[0040] The upper heat exchange assembly 6 is provided with an upper end bearing chamber 22 and the lower heat exchange assembly 3 is provided with a lower end bearing chamber 13. The upper heat exchange assembly 6 and the lower heat exchange assembly 3 both include a supporting body cylinder 14 and an external supporting water jacket body 24. The supporting body cylinder 14 and the external supporting water jacket body 24 form an annular cavity. Under the action of the flange 17, it is divided into two parts, the upper heat exchange cavity 20 and the lower heat exchange cavity 15.
[0041] The upper annular cavity 20 is provided with a plurality of upper heat exchange isolating rings 21, the lower annular cavity 15 is provided with a plurality of lower heat exchange isolating rings 16 at intervals, the upper heat exchange isolating ring 21 and the lower heat exchange isolating ring 16 are both provided There are several passage holes 38; the inlet of the upper heat exchange medium inlet and outlet assembly communicates with the top of the upper annular cavity 20 through the upper circulation pipe 19, and the inlet of the lower heat exchange medium inlet and outlet assembly passes through the lower circulation pipe 42 and the lower annular cavity 15 The bottom is connected.
[0042] Such as Figure 3 to 6 As shown, the channel holes 38 of the adjacent upper heat exchange isolation ring 21 are dislocated, and the channel holes 38 of the adjacent lower heat exchange isolation ring 16 are dislocated; that is, the channel holes 38 of the upper heat exchange isolation ring 21 in the odd-numbered layer are distributed. The channel holes 38 of the upper heat exchange isolation ring 21 located in the even-numbered layers are misaligned and the channel holes 38 of the lower heat exchange isolation ring 16 located in the odd-numbered layers are misaligned with the channel holes 38 of the lower heat exchange isolation ring 16 located in the even-numbered layers. The upper heat exchange isolating ring 21 and the lower heat exchange isolating ring 16 play the role of diversion, with different allowable trajectories from odd-numbered to even-numbered layers to ensure that the largest area of the heat exchange medium is in contact with the heat source of heat exchange, and the heat can be taken away more effectively , Effectively reducing the temperature of the internal magnetic steel component 8.
[0043] The heat exchange cycle of the internal heat exchange components: the heat exchange medium enters from the upper heat exchange medium inlet pipe 18a, passes through the upper circulation pipe 19 to the farthest end of the upper heat exchange cavity 20, and passes through the odd-numbered layers of the upper heat exchange isolation ring 21, The staggered flow of the even-numbered layers flows out from the upper heat exchange medium outlet pipe 18d to complete the heat exchange cycle. The heat exchange medium flows from the lower heat exchange medium inlet pipe 18b through the lower circulation pipe 42 to the farthest end of the lower heat exchange cavity 15, and flows through the odd and even layers of the upper heat exchange spacer ring 21. The outlet pipe 18c flows out, completing the heat exchange cycle.
[0044] Such as Figure 7 to 9 As shown, the external heat exchange assembly includes an external supporting water jacket body 24 and a flow deflector 27; the upper end of the external supporting water jacket body 24 is connected with the upper liquid sealing assembly 39, and the lower end of the external supporting water jacket body 24 is sealed with fasteners. The cover assembly 7 and the reaction kettle connecting flange 4 are connected, and the fasteners include a fixing nut 34, a sealing gasket 35 and a fixing bolt 36; the external supporting water jacket body 24, the upper liquid sealing assembly 39, and the sealing cover assembly 7 are enclosed The cavity is an external heat exchange cavity. The external heat exchange cavity is provided with a diversion tube 27. The upper end of the diversion tube 27 is connected to the inner surface of the external supporting water jacket body 24, and the lower end of the diversion tube 27 is connected to the heat exchange cavity. There is a gap between the bottom of the body.
[0045] The outer supporting water jacket body 24 is connected with the upper equalizing liquid splitter assembly 11, the upper exhaust port pipe 29, the upper exhaust port pipe 31 of the guide tube, the upper heat transfer medium outlet pipe 32 and the lower heat transfer medium outlet pipe 33; the upper balance liquid The splitter assembly 11 and the upper exhaust port pipe 29 are located above the connection between the deflector cylinder 27 and the external supporting water jacket body 24, and the upper exhaust port pipe 31 and the upper heat transfer medium outlet pipe 32 are located between the deflector cylinder 27 and the outside Below the connection point of the supporting water jacket body 24, the lower heat transfer medium outlet pipe 33 communicates with the bottom of the external supporting water jacket body 24. The upper exhaust port pipe 29 and the upper exhaust port pipe 31 of the guide tube respectively discharge the gas at the uppermost end of each cavity to avoid forming an air cavity to occupy the space of the heat exchange medium; the heat transfer medium outlet pipe 33 is a spare outlet, and the upper heat transfer medium The outlet pipe 32 has the same liquid discharge function, and also has the function of draining the heat exchange medium in the external heat exchange cavity.
[0046] The guide tube 27 is connected to the inner surface of the external supporting water jacket body 24 through the guide tube fixing plate 30.
[0047] The guide tube fixing plate 30 can be a conical part formed by bending the upper part of the guide tube 27, and its inclination angle to the horizontal is 0° to 30°; it can also be connected to the upper end of the guide tube 27 by welding or other methods. The cylinder has an inclination angle of 0° to 30° with the horizontal plane. The inclination angle setting is conducive to the circulation of heat exchange medium.
[0048] Such as Figure 13 , 15 As shown, the outer surface of the outer magnetic steel body 25 is connected with a number of guide vanes 26 distributed in the form of axial flow agitator blades, and the guide vanes 26 of odd-numbered layers and the guide vanes 26 of even-numbered layers are distributed in a staggered manner. While the guide vane 26 has a pushing effect, it also increases the heat exchange area of the external magnetic steel body 25, so that the heat exchange effect is better. The size of the guide vane 26 is determined by the gap of the cavity, and the number of each layer of the guide vane 26 is determined by the size of the equipment and the flow velocity of the flow.
[0049] The heat exchange cycle of the external heat exchange assembly: the heat exchange medium enters the external heat exchange cavity from the upper equalizing liquid splitter assembly 11, and the movement of the external magnetic steel body 25 drives the guide vane 26 to move, so that it has a downward thrust. The forced operation of the heat exchange medium is ensured, and the heat on the sealing cover 7 and the external magnetic steel body 25 is taken away. The heat exchange medium folds back through the bottom of the guide tube 27 and finally flows out from the upper heat transfer medium outlet pipe 32.
[0050] The upper equalizing liquid distribution assembly 11 includes a heat exchange medium inlet pipe 28 and a uniformly distributed coil pipe 37 connected to each other.
[0051] There are two forms of uniformly distributed coils 37. One type is located on the outer ring of the outer supporting water jacket body 24, and a plurality of liquid inlet holes 43 are uniformly distributed on the outer supporting water jacket body 24 corresponding to the uniformly distributed coil 37.
[0052] Such as Figure 10 to 12 As shown, another form is located in the inner cavity of the external supporting water jacket body 24, the uniformly distributed coil 37 is uniformly distributed with a number of liquid inlet holes 43, and the liquid inlet holes 43 are inclined outwardly and have an angle of 45° with the horizontal plane.
[0053] Such as Figure 16 As shown, the upper liquid sealing assembly 39 includes an upper connecting assembly 12, a liquid sealing plate 40, and a sealing retaining ring 41. The outer ring of the liquid sealing plate 40 is connected to the inner surface of the external supporting water jacket body 24, and the inner ring of the liquid sealing plate 40 It is connected to the outer surface of the upper connecting assembly through a sealing ring 41. The liquid sealing plate 40 is fixed on the external supporting water jacket body 24 by welding or bolt connection to ensure that the heat exchange medium can be sealed. The sealing retainer ring 41 is connected with the upper connecting assembly 12 to facilitate the installation of the upper connecting assembly 12. The function of blocking the outflow of the internal heat exchange medium.
[0054] The present invention is a novel heat exchange system composed of internal heat exchange components and external heat exchange components. The external heat exchange components are connected with an upper balance liquid splitter component, which ensures that the external cooling medium can be evenly added to the external cooling system. The internal heat exchange assembly is provided with two heat exchange cycles, an upper heat exchange assembly and a lower heat exchange assembly, and a heat exchange isolation ring is arranged on the heat exchange cycle. The channel holes 38 of the heat exchange isolation ring are distributed in a staggered manner, so that the heat exchange medium is The best cooling route moves to enhance the heat exchange capacity. The external heat exchange assembly includes a guide tube, an external support water jacket body, and guide vanes arranged on the outer surface of the external magnetic steel body. The guide vanes are distributed in the form of axial flow agitator blades, and the guide vanes of odd layers Displacement distribution with the even-numbered guide vanes. While the guide vanes have a pushing effect, they also increase the heat exchange area of the external magnetic steel body, forcing the heat exchange medium to flow in a predetermined direction, and the heat exchange effect is better and more suitable High temperature working environment. It has the characteristics of transmitting large torque and stable structure; the heat generated during the operation of the equipment is transferred as soon as possible to ensure that the equipment can operate stably and reliably. The magnetic material of the magnetic coupling transmission sealing device is effectively protected, and the device has a simple structure and is easy to manufacture.
[0055] However, the above are only specific embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, replacement of equivalent components or equivalent changes and modifications made in accordance with the scope of the patent protection of the present invention shall still belong to The scope covered by the claims of the present invention.
