CN210121471U - Large-scale spiral semicircle pipe jacket formula reation kettle - Google Patents
Large-scale spiral semicircle pipe jacket formula reation kettle Download PDFInfo
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- CN210121471U CN210121471U CN201920535245.2U CN201920535245U CN210121471U CN 210121471 U CN210121471 U CN 210121471U CN 201920535245 U CN201920535245 U CN 201920535245U CN 210121471 U CN210121471 U CN 210121471U
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Abstract
The utility model relates to a chemical industry equipment technical field specifically is a large-scale spiral semicircle pipe clamp sleeve formula reation kettle, including the cauldron body, the cauldron body is by the upper cover, barrel and low head from the top down weld in proper order and form, barrel outer wall cover is equipped with spiral semicircle pipe clamp cover, spiral semicircle pipe clamp cover is spiral end to end welding by a plurality of semicircle pipe clamp cover and forms, the barrel welding has two rows of parallel arrangement's orbit piece, the orbit piece is the same spiral range with spiral semicircle pipe clamp cover, semicircle pipe clamp cover and barrel outer wall welding, and on the semicircle pipe clamp cover, the lower extreme welds with two rows of orbit pieces respectively, spiral semicircle pipe clamp cover periphery cover is equipped with the protective housing, beneficial effect is: the utility model discloses a track piece retrains the direction of advance that half round pipe pressed from both sides the cover, guarantees the reliability of welding between the half round pipe pressed from both sides the cover to make spiral half round pipe pressed from both sides the cover and hug closely mutually with the barrel, guarantee welding quality, improved heat exchange efficiency, simple structure, easily assembly.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field specifically is a large-scale spiral semicircle pipe double-layered shell formula reation kettle.
Background
A reaction kettle (or called a reactor) is a typical device commonly used in chemical production. The chemical reactions within the tank are often accompanied by endothermic or exothermic processes, and in order to maintain optimal process conditions to achieve the best reaction results, the reaction tank must be equipped with heat exchange devices.
Along with the development of chemical industry, the output of a single set of production device is larger and larger, the large-scale reaction equipment is promoted, the diameter of a reaction kettle is increased, a cylinder body is lengthened, particularly, the wall thickness of an inner cylinder bearing external pressure is increased, the difficulty is increased for manufacturing a jacket of the reaction kettle, and in order to meet certain design conditions, more and more reaction kettles adopt spiral semicircular pipe jackets to replace the traditional heat exchange jacket. However, the existing spiral semicircular pipe jacket not only has the change of the spiral radius, but also has the change of the spiral lead angle, and the butt joint of the spiral semicircles is easy to have welding defects, thereby bringing about a plurality of potential dangers to the integral assembly of the reaction kettle.
Disclosure of Invention
An object of the utility model is to provide a large-scale spiral semicircle pipe double-layered shell formula reation kettle to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a large spiral semicircular pipe jacket type reaction kettle comprises a kettle body, wherein the kettle body is formed by sequentially welding an upper end enclosure, a barrel body and a lower end enclosure from top to bottom, a feed inlet is welded on the upper end enclosure, a driving device for driving a stirring shaft to rotate is arranged above the upper end enclosure, a discharge outlet is welded on the lower end enclosure, a spiral semicircular pipe jacket is sleeved on the outer wall of the barrel body, the spiral semicircular pipe jacket is formed by spirally welding a plurality of semicircular pipe jackets from head to tail, two rows of track blocks which are arranged in parallel are welded on the barrel body, the track blocks and the spiral semicircular pipe jacket are arranged in the same spiral manner, the semicircular pipe jacket is welded on the outer wall of the barrel body, the upper end and the lower end of the semicircular pipe jacket are respectively welded with the two rows of track blocks, the barrel body is welded with square blocks which are connected with hoop bolts, the hoop is provided with a groove, the, the inner surface of the ring pad is provided with a convex block, the convex block is abutted to the semicircular pipe jacket, the periphery of the spiral semicircular pipe jacket is sleeved with a protective shell, the protective shell is provided with a heat exchange fluid inlet pipe and a heat exchange fluid outlet pipe, and the heat exchange fluid inlet pipe and the heat exchange fluid outlet pipe are communicated with the spiral semicircular pipe jacket.
Preferably, the welding of upper cover has the motor cabinet, be equipped with drive arrangement on the motor cabinet, drive arrangement includes motor and speed reducer, the output shaft of motor passes through belt transmission and connects the input of speed reducer, the output of speed reducer passes through shaft coupling fixed connection (mixing) shaft, the (mixing) shaft is equipped with the axle sleeve, the axle sleeve welding has the stirring leaf.
Preferably, the semicircular pipe clamp sleeves and the cylinder are made of the same material, annular fillet welding is adopted between the semicircular pipe clamp sleeves, the wall thickness of each semicircular pipe clamp sleeve is smaller than five millimeters, and the vertical pipe center distance between every two adjacent semicircular pipe clamp sleeves is larger than one hundred forty millimeters.
Preferably, the track block is formed by welding a plurality of wedge blocks in a spiral mode from head to tail, the vertical section of each wedge block is in a right trapezoid shape, one side, close to the semicircular pipe jacket, of each wedge block is an inclined plane, and the inclined plane and the horizontal plane form an included angle of seventy-five degrees.
Preferably, the lug is semicircular, and the lug and the ring pad are integrally formed, and the lug is uniformly distributed along the inner surface of the ring pad in a semicircular shape.
Preferably, the protective shell barrel is welded, the heat exchange fluid inlet pipe is welded at the bottom of the protective shell, the heat exchange fluid outlet pipe is welded at the top of the protective shell, and the heat exchange fluid inlet pipe position and the heat exchange fluid outlet pipe position are opposite from left to right.
An operation method of a large spiral semicircular pipe jacketed reaction kettle comprises the following steps:
the method comprises the following steps: checking whether the kettle body, the driving device and the stirring device meet the safety requirements or not;
step two: selecting proper heat exchange fluid, introducing the heat exchange fluid into a heat exchange fluid inlet pipe, preheating the spiral semicircular pipe jacket for 10-15min, and transferring the heat exchange fluid flowing out of a heat exchange fluid outlet pipe into a heat exchanger for heat exchange to form circulating heat exchange;
step three: and after stirring is started, adding reactants into the kettle, and reacting to obtain a product.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an orbit piece retrains the advancing direction of semicircle pipe clamp cover in advance, guarantees the reliability of welding between the semicircle pipe clamp cover to make spiral semicircle pipe clamp cover hug closely with the barrel, guarantee welding quality, improved heat exchange efficiency, simple structure, easily assembly;
2. the protective shell is used as a supporting structure of the heat exchange fluid inlet pipe and the heat exchange fluid outlet pipe, so that the load of the heat exchange fluid inlet pipe and the heat exchange fluid outlet pipe on the spiral semicircular pipe jacket is reduced, the heat exchange fluid inlet pipe is welded at the bottom of the protective shell, the heat exchange fluid outlet pipe is welded at the top of the protective shell, so that the heat exchange fluid can slowly rise in the semicircular pipe jacket, the contact time of the heat exchange fluid and a cylinder body is prolonged, the heat exchange path is maximized by designing the heat exchange fluid inlet pipe position and the heat exchange fluid outlet pipe position to be opposite to each other left and right, and the heat exchange efficiency is improved;
3. the hoop strengthens the axial strength of the spiral semicircular pipe clamp sleeve in the cylinder body, and the convex blocks on the inner surface of the ring pad reduce the contact area between the semicircular pipe clamp sleeve and the ring pad and reduce the heat exchange between the ring pad and the semicircular pipe clamp sleeve by arranging the ring pad between the hoop and the semicircular pipe clamp sleeve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is an enlarged schematic view of a portion B in fig. 2.
In the figure: the device comprises an upper end enclosure 1, a cylinder 2, a lower end enclosure 3, a semicircular pipe jacket 4, a track block 5, a square block 6, a hoop 7, a ring cushion 8, a bump 9, a protective shell 10, a heat exchange fluid inlet pipe 11, a heat exchange fluid outlet pipe 12, a feed inlet 13, a discharge outlet 14, a stirring shaft 15, a shaft sleeve 16, a stirring blade 17, a motor base 18, a motor 19 and a speed reducer 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a large-scale spiral semicircle pipe double-layered shell formula reation kettle, includes the cauldron body, and the cauldron body is formed by welding upper cover 1, barrel 2 and lower cover 3 from the top down in proper order, and upper cover 1 welding has feed inlet 13, and lower cover 3 welding has discharge gate 14. The welding of upper cover 1 has motor cabinet 18, is equipped with drive arrangement on the motor cabinet 18, and drive arrangement includes motor 19 and speed reducer 20, and the input of speed reducer 20 is connected through belt transmission to the output shaft of motor 19, and shaft coupling fixed connection (mixing) shaft 15 is passed through to the output of speed reducer 20, and shaft coupling 15 passes through holding screw fixed connection axle sleeve 16, and axle sleeve 16 welding has stirring leaf 17.
The outer wall of the cylinder body 2 is sleeved with a spiral semicircular pipe clamp sleeve which is formed by spirally welding a plurality of semicircular pipe clamp sleeves 4 end to end, the cylinder body 2 is welded with two rows of track blocks 5 which are arranged in parallel, the track blocks 5 and the spiral semicircular pipe clamp sleeves are arranged in the same spiral manner, the semicircular pipe clamp sleeves 4 are welded with the outer wall of the cylinder body 2, the upper end and the lower end of a semicircular pipe jacket 4 are respectively welded with two rows of track blocks 5, a barrel 2 is welded with a square block 6, the square block 6 is connected with a hoop 7 through bolts, the hoop 7 is provided with a groove, the groove is provided with a ring pad 8, the outer surface of the ring pad 8 is fixedly connected with the hoop 7, the inner surface of the ring pad 8 is provided with a convex block 9, the convex block 9 is abutted to the semicircular pipe jacket 4, the periphery of the spiral semicircular pipe jacket is sleeved with a protective shell 10, the protective shell 10 is provided with a heat exchange fluid inlet pipe 11 and a heat exchange fluid outlet pipe 12, and the heat exchange fluid inlet pipe 11 and the.
Annular fillet welding is adopted between the semicircular pipe clamp sleeves 4, after welding is finished, except for surface flaw detection, a hydraulic test and a gas tightness test are required to be carried out on the spiral semicircular pipe clamp sleeves, once the leakage is generated, repair welding is carried out timely, the flaw detection is carried out again, and the hydraulic test and the gas tightness test are carried out again. In this embodiment, the wall thickness of the semicircular pipe clamp 4 is four millimeters, the vertical pipe distance between adjacent semicircular pipe clamps 4 is one hundred forty-two millimeters, and the semicircular pipe clamp 4 and the cylinder 2 are made of the same material to ensure easy welding between the semicircular pipe clamp 4 and the cylinder 2.
When the spiral semicircular pipe clamp sleeve is installed on the cylinder body 2, firstly, the track block 5 is welded on the cylinder body 2, the advancing direction of the track block 5 is ensured to be the same as the spiral direction of the spiral semicircular pipe clamp sleeve, then the semicircular pipe clamp sleeve 4 and the cylinder body 2 are welded, the semicircular pipe clamp sleeve 4 and the track block 5 are welded, and fillet welding is carried out between the semicircular pipe clamp sleeves 4 in sequence. The semicircular pipe clamp sleeves 4 are welded and combined into a spiral semicircular pipe clamp sleeve according to the advancing direction of the track block 5.
In order to improve the structural strength of the spiral semicircular pipe clamp sleeve in the cylinder body 2, four groups of square blocks 6 which are uniform in a ring shape are welded on the cylinder body 2, the square blocks 6 in each group are ensured to be vertically arranged, then four hoop rings 7 are respectively connected with the four groups of square blocks 6 through bolts, the ring pads 8 in the hoop rings 7 are ensured to be sleeved on the peripheries of the adjacent semicircular pipe clamp sleeves 4, and the four hoop rings 7 enhance the axial strength of the spiral semicircular pipe clamp sleeve in the cylinder body 2.
As shown in fig. 3, in the present embodiment, the protrusion 9 is in the shape of a semi-circular block, and the protrusion 9 and the ring pad 8 are integrally formed, the protrusion 9 is uniformly distributed along the inner surface of the ring pad 8 in the shape of a semi-circle, the protrusion 9 reduces the contact area between the ring pad 8 and the semi-circular pipe jacket 4, and reduces the heat exchange between the ring pad 8 and the semi-circular pipe jacket 4.
The welding of protective housing 10 barrel 2, protective housing 10 seals protection semicircle pipe jacket 4, avoid spiral semicircle pipe jacket to receive external force destruction, protective housing 10 advances the bearing structure of pipe 11 and heat transfer fluid exit tube 12 as heat transfer fluid, the load that heat transfer fluid advances pipe 11 and heat transfer fluid exit tube 12 to spiral semicircle pipe jacket has been reduced, it advances pipe 11 to weld heat transfer fluid through protective housing 10 bottom, protective housing 10 top welding heat transfer fluid exit tube 12, make heat transfer fluid be can semicircle pipe jacket 4 slowly rise, heat transfer fluid and barrel 2 contact time have been prolonged, and it is relative about advancing pipe 11 position and heat transfer fluid exit tube 12 position through design heat transfer fluid, make heat transfer route maximize, heat exchange efficiency has been improved.
Aiming at different heat exchange fluids circulating in the spiral semicircular pipe clamp sleeve, the following two embodiments are provided:
example 1
An operation method of a large spiral semicircular pipe jacketed reaction kettle comprises the following steps:
the method comprises the following steps: checking whether the kettle body, the driving device and the stirring device meet the safety requirements or not;
step two: selecting proper hot fluid, introducing the hot fluid into a heat exchange fluid inlet pipe 11, preheating a spiral semicircular pipe jacket for 12min, and transferring the heat exchange fluid flowing out of a heat exchange fluid outlet pipe 12 into a heater for heating to form circulating heat exchange;
step three: and after stirring is started, adding reactants into the kettle, and reacting to obtain a product.
Example 2
An operation method of a large spiral semicircular pipe jacketed reaction kettle comprises the following steps:
the method comprises the following steps: checking whether the kettle body, the driving device and the stirring device meet the safety requirements or not;
step two: selecting proper cold fluid, introducing the cold fluid into the heat exchange fluid inlet pipe 11, precooling the spiral semi-circular pipe jacket for 15min, and transferring the cold fluid flowing out of the heat exchange fluid outlet pipe 12 into a refrigerator for cooling to form circulating heat exchange;
step three: and after stirring is started, adding reactants into the kettle, and reacting to obtain a product.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a large-scale spiral semicircle pipe clamp shell formula reation kettle, includes the cauldron body, the cauldron body is formed by upper cover (1), barrel (2) and low head (3) from the top down welding in proper order, upper cover (1) welding has feed inlet (13), and upper cover (1) top is equipped with the rotatory drive arrangement of drive (mixing) shaft (15), low head (3) welding has discharge gate (14), barrel (2) outer wall cover is equipped with spiral semicircle pipe clamp cover, its characterized in that: the spiral semicircular pipe clamp sleeve is formed by spirally welding a plurality of semicircular pipe clamp sleeves (4) end to end, two rows of track blocks (5) which are arranged in parallel are welded on the cylinder body (2), the track blocks (5) and the spiral semicircular pipe clamp sleeves are arranged in the same spiral mode, the semicircular pipe clamp sleeves (4) are welded on the outer wall of the cylinder body (2), the upper end and the lower end of each semicircular pipe clamp sleeve (4) are respectively welded with the two rows of track blocks (5), the cylinder body (2) is welded with a square block (6), the square block (6) is connected with a hoop (7) through bolts, the hoop (7) is provided with a groove, the groove is provided with a ring pad (8), the outer surface of the ring pad (8) is fixedly connected with the hoop (7), the inner surface of the ring pad (8) is provided with a convex block (9), the convex block (9) is abutted against the semicircular pipe clamp sleeves (4), and the, the protective shell (10) is provided with a heat exchange fluid inlet pipe (11) and a heat exchange fluid outlet pipe (12), and the heat exchange fluid inlet pipe (11) and the heat exchange fluid outlet pipe (12) are communicated with the spiral semicircular pipe jacket.
2. The large spiral semicircular pipe jacketed reaction kettle according to claim 1, characterized in that: the welding of upper cover (1) has motor cabinet (18), be equipped with drive arrangement on motor cabinet (18), drive arrangement includes motor (19) and speed reducer (20), the input of speed reducer (20) is connected through belt drive to the output shaft of motor (19), shaft coupling fixed connection (mixing) shaft (15) is passed through to the output of speed reducer (20), (mixing) shaft (15) are equipped with axle sleeve (16), axle sleeve (16) welding has stirring leaf (17).
3. The large spiral semicircular pipe jacketed reaction kettle according to claim 1, characterized in that: the semi-circular pipe clamping sleeves (4) and the barrel body (2) are made of the same material, annular fillet welding is adopted between the semi-circular pipe clamping sleeves (4), the wall thickness of each semi-circular pipe clamping sleeve (4) is smaller than five millimeters, and the vertical pipe spacing of the adjacent semi-circular pipe clamping sleeves (4) is larger than one hundred forty millimeters.
4. The large spiral semicircular pipe jacketed reaction kettle according to claim 1, characterized in that: the track block (5) is formed by welding a plurality of wedge blocks in a spiral mode from head to tail, the vertical section of each wedge block is in a right trapezoid shape, one side, close to the semicircular pipe clamping sleeve (4), of each wedge block is an inclined plane, and the inclined plane and the horizontal plane form a seventy-five-degree included angle.
5. The large spiral semicircular pipe jacketed reaction kettle according to claim 1, characterized in that: the lug (9) is semicircular, the lug (9) and the ring pad (8) are integrally formed, and the lugs (9) are uniformly distributed along the inner surface of the ring pad (8) in a semicircular shape.
6. The large spiral semicircular pipe jacketed reaction kettle according to claim 1, characterized in that: the heat exchange fluid heat exchanger is characterized in that the protective shell (10) and the cylinder body (2) are welded, a heat exchange fluid inlet pipe (11) is welded at the bottom of the protective shell (10), a heat exchange fluid outlet pipe (12) is welded at the top of the protective shell (10), and the heat exchange fluid inlet pipe (11) and the heat exchange fluid outlet pipe (12) are opposite in position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920535245.2U CN210121471U (en) | 2019-04-19 | 2019-04-19 | Large-scale spiral semicircle pipe jacket formula reation kettle |
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| CN201920535245.2U CN210121471U (en) | 2019-04-19 | 2019-04-19 | Large-scale spiral semicircle pipe jacket formula reation kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471398A (en) * | 2021-12-30 | 2022-05-13 | 苏州市协力化工设备有限公司 | Jacket structure and reactor applying same |
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2019
- 2019-04-19 CN CN201920535245.2U patent/CN210121471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471398A (en) * | 2021-12-30 | 2022-05-13 | 苏州市协力化工设备有限公司 | Jacket structure and reactor applying same |
| CN114471398B (en) * | 2021-12-30 | 2023-10-24 | 苏州市协力化工设备有限公司 | Jacket structure and reactor using same |
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