Cracking tank

Abstract

The cracking tank provided by the utility model comprises the tank body, the rotating shaft, the driving assembly and the stirring assembly, the stirring assembly comprises the vertical rod, the transverse rods and the spiral flow deflectors, the vertical rod is coaxially connected to the lower end part of the rotating shaft, the middle parts of the transverse rods are connected with the vertical rod, a plurality of transverse rods are arranged at intervals in the vertical direction, and the adjacent transverse rods are vertical to each other; the spiral flow deflectors are sequentially connected with all the transverse rods and comprise outer spiral sheets and inner spiral sheets, the outer spiral sheets are connected to the free ends of the transverse rods, the inner spiral sheets are connected between the free ends of the transverse rods and the vertical rods, and the spiral directions of the inner spiral sheets and the outer spiral sheets are opposite; materials close to the side wall of the tank body can be stirred through the outer spiral piece, materials close to the center of the tank body can be stirred through the inner spiral piece, the materials can be driven to be turned up and down through the rotation direction difference of the inner spiral piece and the outer spiral piece, the structure is novel, the stirring effect is good, and the cracking efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pyrolysis technical field, concretely relates to a pyrolysis tank with novel structure, good stirring effect and high pyrolysis efficiency. BACKGROUND

[0002] The pyrolysis tank is a device for making organic compounds decompose to generate other products, and is widely used in the fields of fertilizer production and petroleum pyrolysis. In order to improve the decomposition speed, a stirring device is basically provided in the pyrolysis tank. For example, Chinese patents CN110982543A and CN220201723U disclose such pyrolysis tanks. However, the stirring device of such pyrolysis tanks can only stir the material close to the side wall of the tank body, and it is difficult to stir the material close to the center of the tank body. At the same time, the stirring device can only stir the material by lifting it, and the stirring effect is not good. SUMMARY

[0003] The utility model discloses a pyrolysis tank to solve one or more problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a pyrolysis tank, which comprises:

[0005] a tank body extending in the vertical direction;

[0006] a rotating shaft coaxially arranged with the tank body;

[0007] a drive assembly arranged at the top of the tank body and connected to the upper end of the tank body through the rotating shaft, the drive assembly being used to drive the rotating shaft to rotate;

[0008] a stirring assembly connected to the lower end of the rotating shaft;

[0009] The stirring assembly comprises a vertical rod, a horizontal rod and a spiral guide vane. The vertical rod is coaxially connected to the lower end of the rotating shaft. The middle part of the horizontal rod is connected to the vertical rod. The horizontal rod has a plurality of horizontal rods arranged in the vertical direction at intervals. Adjacent horizontal rods are perpendicular to each other. The spiral guide vane is connected to all the horizontal rods in turn in the downward spiral process. The spiral guide vane comprises an outer spiral vane on the outer side and an inner spiral vane on the inner side. The outer spiral vane is connected to the free end of the horizontal rod. The inner spiral vane is connected between the free end and the vertical rod. The spiral direction of the inner spiral vane is opposite to that of the outer spiral vane.

[0010] Preferably, the distance between the inner spiral vane and the free end is 2 to 4 times the distance between the inner spiral vane and the vertical rod.

[0011] Preferably, the outer spiral fins are two, which are connected to the two free ends of the same horizontal rod respectively, and the inner spiral fins are two, which are evenly distributed around the vertical rod.

[0012] Preferably, the spiral guide vanes are provided with through holes, the horizontal rods are provided with threaded holes corresponding to the through holes, and the spiral guide vanes are locked on the horizontal rods by bolts penetrating through the through holes and being screwed into the threaded holes.

[0013] Preferably, the outer spiral fins and the inner spiral fins are each composed of multiple spiral fin segments, and the two ends of each spiral fin segment are connected to the adjacent two horizontal rods.

[0014] Preferably, each horizontal rod is composed of two horizontal rod segments symmetrically distributed on both sides of the vertical rod, the horizontal rod segment includes a cylindrical first segment body and a first locking member connected to the end of the first segment body facing the vertical rod, the first locking member includes a first arc-shaped plate abutting on the vertical rod and first locking plates connected to both sides of the first arc-shaped plate, the plane where the first locking plates are located is parallel to the axis of the vertical rod and perpendicular to the axis of the first segment body connected thereto, and the first locking plates located on both sides of the vertical rod are butt-jointed by bolts to tightly clamp the first arc-shaped plate on the vertical rod, so as to fix the horizontal rod segment.

[0015] Preferably, the stirring assembly further includes a bottom stirring fin, the two ends of the bottom stirring fin are connected to the two ends of the lowermost horizontal rod, the bottom stirring fin is located in the virtual plane formed by the axis of the horizontal rod and the axis of the vertical rod, and the bottom profile of the bottom stirring fin matches the bottom wall profile of the tank body.

[0016] Further preferably, the bottom stirring fin is composed of two stirring fin segments symmetrically distributed on both sides of the vertical rod, the stirring fin segment includes a second segment body and a second locking member connected to the end of the second segment body facing the vertical rod, the second locking member includes a second arc-shaped plate abutting on the vertical rod and second locking plates connected to both sides of the second arc-shaped plate, the plane where the second locking plates are located is parallel to the axis of the vertical rod and perpendicular to the axis of the second segment body connected thereto, and the second locking plates located on both sides of the vertical rod are butt-jointed by bolts to tightly clamp the second arc-shaped plate on the vertical rod, so as to fix the stirring fin segment.

[0017] Preferably, the tank body includes a cylindrical tank body, an upper elliptical head connected to the top of the tank body, and a lower elliptical head connected to the bottom of the tank body, and all the horizontal rods are located in the tank body.

[0018] Further preferably, the upper elliptical head is provided with a manhole, a feed inlet, a top pressurizing inlet, an exhaust outlet, a thermometer inlet, a pressure gauge inlet and a safety valve inlet, the tank body is provided with side pressurizing inlets, the side pressurizing inlets are evenly distributed around the axis of the tank body, the lower elliptical head is provided with a discharge outlet and a bottom pressurizing inlet, and the discharge outlet is located at the center of the lower elliptical head.

[0019] Compared with the prior art, the pyrolysis tank has the following advantages:

[0020] The pyrolysis tank comprises a tank body extending in a vertical direction, a rotating shaft coaxially arranged with the tank body, a driving assembly for driving the rotating shaft to rotate, and a stirring assembly connected to a lower end portion of the rotating shaft. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a front view of a preferred embodiment of the pyrolysis tank, and a part thereof is cut away.

[0022] Figure 2 is a top view of the pyrolysis tank. Figure 1

[0023] Figure 3 is a perspective view of the stirring assembly of the pyrolysis tank. Figure 1

[0024] ​​10. tank body; 11. tank body; 111. side pressurizing port; 12. upper elliptical head; 121. manhole; 122. feeding port; 123. top pressurizing port; 124. exhaust port; 125. thermometer port; 126. pressure gauge port; 127. safety valve port; 128. spare port; 13. lower elliptical head; 131. discharging port; 132. bottom pressurizing port; 20. rotating shaft; 30. driving assembly; 31. frame; 32. speed reducer; 33. motor; 40. stirring assembly; 41. vertical rod; 42. cross rod; 421. cross rod segment; 422. first segment body; 423. first locking member; 424. first arc-shaped plate; 425. first locking plate; 431. outer spiral piece; 432. inner spiral piece; 433. through hole; 434. spiral piece segment; 44. bottom stirring piece; 441. stirring piece segment; 442. second segment body; 443. second locking member; 444. second arc-shaped plate; 445. second locking plate. DETAILED DESCRIPTION

[0025] As Figures 1 to 3As shown, the utility model provides a cracking tank, include: tank body 10, rotating shaft 20, drive component 30, stirring component 40, wherein, tank body 10 extends along vertical direction, tank body 10 includes the tank body 11 of cylinder, the upper oval head 12 of connecting in the top of tank body 11 and the lower oval head 13 of connecting in the bottom of tank body 11, the upper oval head 12 is set up with the manhole 121, the feed inlet 122, the top pressurizing mouth 123, the exhaust port 124, the thermometer mouth 125, the pressure gauge mouth 126 and the safety valve mouth 127 on, and a plurality of spare mouth 128, the tank body 11 is set up with the side pressurizing mouth 111, the side pressurizing mouth 111 has four and is distributed around the axis line of tank body 11, the lower oval head 13 is set up with the discharge port 131 and the bottom pressurizing mouth 132 on, the discharge port 131 is located in the center of lower oval head 13, the bottom pressurizing mouth 132 has four and is distributed around the center of lower oval head 13, rotating shaft 20 is coaxial with tank body 10 and is located in the upper oval head 12, the upper end of rotating shaft 20 is up through the upper oval head 12, the lower end of rotating shaft 20 extends and stretches into the upper end of tank body 11, drive component 30 is connected with the upper end of rotating shaft 20 in the top of tank body 10 and the upper oval head 12 of being through, drive component 30 is used to drive rotating shaft 20 to rotate, drive component 30 includes frame 31, speed reducer 32, motor 33, frame 31 sets up on the upper surface of upper oval head 12, speed reducer 32 sets up on frame 31, the output of speed reducer 32 is connected with the upper end of rotating shaft 20 through connecting piece, motor 33 is connected with the input of speed reducer 32, when motor 33 rotates, can drive rotating shaft 20 to rotate through speed reducer 32, stirring component 40 sets up in tank body 10 and is connected in the lower end of rotating shaft 20, stirring component 40 includes vertical rod 41, cross bar 42, helical guide vane, vertical rod 41 is coaxially connected in the lower end of rotating shaft 20, specifically, the diameter of vertical rod 41 is equal with the diameter of rotating shaft 20, the upper end of vertical rod 41 is connected with the lower end of rotating shaft 20 through flange, the middle part of cross bar 42 is connected with vertical rod 41, cross bar 42 has five and is set up equidistantly along vertical direction, adjacent cross bar 42 is perpendicular to each other, all cross bar 42 are located in tank body 11, helical guide vane is sequentially connected with all cross bar 42 in the process of spirally downward, helical guide vane includes the outer helical piece 431 located outside and the inner helical piece 432 located inside, the outer helical piece 431 is connected in the free end of cross bar 42, the inner helical piece 432 is connected between the free end of cross bar 42 and vertical rod 41, the distance of inner helical piece 432 from free end is preferably 2 to 4 times the distance of inner helical piece 432 from vertical rod 41, the helical direction of inner helical piece 432 and outer helical piece 431 is opposite.

[0026] The advantages of the arrangement are that when the rotating shaft drives the stirring assembly to rotate, the outer spiral blades can stir the material close to the side wall of the tank, the inner spiral blades can stir the material close to the center of the tank, and the material can be stirred up and down due to the difference in the rotation direction of the inner and outer spiral blades, so that the structure is novel, the stirring effect is good, and the cracking efficiency is high.

[0027] To ensure balance, in the embodiment, the outer spiral blades 431 are two, which are connected to the two free ends of the same horizontal rod 42, and the inner spiral blades 432 are also two, which are evenly distributed around the vertical rod 41; to facilitate connection, further, the outer spiral blades 431 and the inner spiral blades 432 are provided with through holes 433, the horizontal rod 42 is provided with threaded holes (not shown in the figure) corresponding to the through holes 433, and the outer spiral blades 431 and the inner spiral blades 432 are locked on the horizontal rod 42 by bolts penetrating the through holes 433 and being screwed into the threaded holes.

[0028] To facilitate processing and manufacturing, in the embodiment, the outer spiral blades 431 and the inner spiral blades 432 are each composed of a plurality of spiral blade segments 434, the two ends of each spiral blade segment 434 are connected to two adjacent horizontal rods 42, and further, each horizontal rod 42 is composed of two horizontal rod segments 421 symmetrically distributed on both sides of the vertical rod 41, the horizontal rod segment 421 includes a cylindrical first segment body 422 and a first locking member 423 connected to the end of the first segment body 422 facing the vertical rod 41, the first locking member 423 includes a first arc-shaped plate 424 abutting on the vertical rod and first locking plates 425 connected to both sides of the first arc-shaped plate 424, the plane where the first locking plates 425 are located is parallel to the axis of the vertical rod 41 and perpendicular to the axis of the first segment body 422 connected thereto, and the four first locking plates 425 on both sides of the vertical rod 41 are correspondingly butted and locked by bolts, so that the first arc-shaped plate 424 is tightly clamped on the vertical rod 41 to fix the horizontal rod segment 421.

[0029] In order to facilitate the stirring of the material at the lower elliptical head 13, the stirring assembly 40 further comprises a bottom stirring blade 44 in the embodiment, two ends of the bottom stirring blade 44 are connected to two end portions of the lowermost horizontal rod 42, the bottom stirring blade 44 is located in the virtual plane formed by the axis of the horizontal rod 42 and the axis of the vertical rod 41, the bottom profile of the bottom stirring blade 44 matches the bottom wall profile of the tank body 10 (the inner wall profile of the lower elliptical head 13), specifically, the bottom stirring blade 44 is composed of two stirring blade segments 441 symmetrically distributed on both sides of the vertical rod 41, the stirring blade segment 441 comprises a second segment body 442 and a second locking member 443 connected to the end of the second segment body 442 towards the vertical rod 41, the second locking member 443 comprises a second arc-shaped plate 444 abutting on the vertical rod 41 and second locking plates 445 connected on both sides of the second arc-shaped plate 444, the plane where the second locking plates 445 are located is parallel to the axis of the vertical rod 41 and perpendicular to the axis of the second segment body 442 connected thereto, the four second locking plates 445 located on both sides of the vertical rod 41 are correspondingly connected and locked by bolts, so that the second arc-shaped plate 444 is tightly clamped on the vertical rod 41, so as to fix the stirring blade segment 441.

[0030] The above embodiment is only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application, any equivalent changes or modifications according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A cracking kettle comprising: a kettle body extending in a vertical direction; a rotating shaft coaxially arranged with the kettle body; a driving assembly arranged at a top of the kettle body and connected with an upper end of the rotating shaft penetrating through the kettle body, the driving assembly being configured to drive the rotating shaft to rotate; a stirring assembly connected to a lower end of the rotating shaft; characterized in that: the stirring assembly comprises a vertical rod coaxially connected to the lower end of the rotating shaft, a plurality of horizontal rods having a middle part connected to the vertical rod, the horizontal rods being arranged in a vertical direction and spaced apart from each other, adjacent horizontal rods being perpendicular to each other, and a plurality of helical guide vanes connected to the horizontal rods in sequence, the helical guide vanes comprising outer helical vanes located at an outer side and inner helical vanes located at an inner side, the outer helical vanes being connected to free ends of the horizontal rods, the inner helical vanes being connected between the free ends and the vertical rod, and the inner helical vanes being opposite in helical direction to the outer helical vanes.

2. The cracking still according to claim 1, characterized in that: The distance of the inner helical vanes from the free ends is 2 to 4 times the distance of the inner helical vanes from the vertical rod.

3. The cracking still of claim 1, wherein: The outer helical vanes are two, the two outer helical vanes being connected to two free ends of the same horizontal rod, and the inner helical vanes are two, the two inner helical vanes being uniformly distributed around the vertical rod.

4. The cracking still of claim 1, wherein: The helical guide vanes are provided with through holes, the horizontal rods are provided with threaded holes corresponding to the through holes, and the helical guide vanes are locked on the horizontal rods by bolts penetrating through the through holes and being screwed into the threaded holes.

5. The cracking still of claim 1, wherein: The outer helical vanes and the inner helical vanes are each composed of a plurality of helical segments, and each helical segment is connected to two adjacent horizontal rods at both ends.

6. The cracking still of claim 1, wherein: Each horizontal rod is composed of two horizontal rod segments symmetrically distributed on both sides of the vertical rod, the horizontal rod segment comprising a cylindrical first segment body and a first locking member connected to an end of the first segment body facing the vertical rod, the first locking member comprising a first arc-shaped plate abutting the vertical rod and first locking plates connected to both sides of the first arc-shaped plate, the plane of the first locking plate being parallel to the axis of the vertical rod and perpendicular to the axis of the first segment body connected thereto, and the first locking plates on both sides of the vertical rod being locked in abutment by bolts, so that the first arc-shaped plate is tightly wrapped around the vertical rod to fix the horizontal rod segment.

7. The cracking still of claim 1, wherein: The stirring assembly further comprises a bottom stirring vane, both ends of the bottom stirring vane being connected to both ends of the lowermost horizontal rod, the bottom stirring vane being located in a virtual plane formed by the axis of the horizontal rod and the axis of the vertical rod, and the bottom profile of the bottom stirring vane matching the bottom wall profile of the kettle body.

8. The cracking still of claim 7, wherein: The bottom stirring blade is composed of two symmetrical stirring blade segments distributed on both sides of the vertical rod, the stirring blade segment comprises a second segment body and a second locking member connected to the end of the second segment body towards the vertical rod, the second locking member comprises a second arc-shaped plate fitted on the vertical rod and second locking plates connected on both sides of the second arc-shaped plate, the plane where the second locking plates are located is parallel to the axis of the vertical rod and perpendicular to the axis of the second segment body connected thereto, the second locking plates on both sides of the vertical rod are locked in abutment by bolts, the second arc-shaped plate is tightly wrapped on the vertical rod to fix the stirring blade segment.

9. The cracking still of claim 1, wherein: The tank body comprises a cylindrical tank body, an upper elliptical head connected to the top of the tank body and a lower elliptical head connected to the bottom of the tank body, all the cross rods are located in the tank body.

10. The cracking still according to claim 9, characterized in that: A manhole, a feeding port, a top pressurizing port, an exhaust port, a thermometer port, a pressure gauge port and a safety valve port are arranged on the upper elliptical head, a plurality of side pressurizing ports are arranged on the tank body and are uniformly distributed around the axis of the tank body, a discharging port and a bottom pressurizing port are arranged on the lower elliptical head, and the discharging port is located at the center of the lower elliptical head.

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