CN114100518A - Kettle type reactor for high-pressure large-scale - Google Patents
Kettle type reactor for high-pressure large-scale Download PDFInfo
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- CN114100518A CN114100518A CN202111271785.2A CN202111271785A CN114100518A CN 114100518 A CN114100518 A CN 114100518A CN 202111271785 A CN202111271785 A CN 202111271785A CN 114100518 A CN114100518 A CN 114100518A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000010667 large scale reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
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Abstract
The invention discloses a kettle type reactor for high-pressure large-scale production, which comprises an inner cylinder, a jacket and a stirrer arranged on the inner cylinder, wherein the inner cylinder comprises an upper end enclosure, an inner cylinder body and a lower end enclosure which are arranged from top to bottom, the thickness of the upper end enclosure is larger than that of the inner cylinder body and the lower end enclosure, inner cylinder reinforcing structures are fixedly arranged on the outer sides of the inner cylinder body and the lower end enclosure, the jacket is arranged on the outer sides of the inner cylinder body and the lower end enclosure, the inner wall of the jacket is in contact with the inner cylinder reinforcing structures, and a heat transfer medium inlet and a heat transfer medium outlet are respectively arranged on the two opposite sides of the jacket. The device structure is used for solving the problems that the traditional kettle reactor is high in reaction pressure, thick in cylinder body and incapable of timely transferring heat, and the reaction temperature required by the inner cylinder is timely transferred heat by reducing the wall thickness of the inner cylinder body of the inner cylinder; by adopting the novel stirrer, the reaction materials are distributed more uniformly in the kettle, and the stability of the product quality is ensured. The structure of this application both can reduce interior barrel wall thickness and reduce manufacturing cost, guarantee equipment safe and reliable operation again.
Description
Technical Field
The present application relates to a tank reactor for high pressure upsizing.
Background
The kettle reactor is a common device for reaction procedures in the fine chemical industry. Generally comprises an inner cylinder and a jacket. The inner cylinder is made of carbon steel or carbon steel composite stainless steel, and the jacket is made of carbon steel. The large volume is the trend of tank reactors. However, the higher the pressure and the diameter, the larger the required wall thickness of the cylinder, the higher the manufacturing cost of the equipment, and the reaction heat cannot be transferred quickly in time. According to the conventional design, the thickness of the inner cylinder body is generally about 50-80 mm. When the reaction is carried out in the kettle, the pressure of the inner cylinder is higher, the control requirement of the reaction temperature is high, but the heat transfer coefficient is low after the wall thickness of the inner cylinder is thickened, the heat can not be transferred quickly, and the quality of a reaction product does not reach the standard. In addition, the commonly adopted high-power stirrer only plays a role in mixing, and the reaction materials in a large-scale reaction kettle do not meet the requirement of uniformity. The diameter and pressure of the tank reactor are therefore limited by the equipment construction.
Disclosure of Invention
This application is mainly thick to barrel wall thickness in traditional cauldron formula reactor, the unable problem of in time quick transmission of heat. According to the conventional design of the prior art, the thickness of the inner cylinder body is about 50-80 mm. When the reaction is carried out in the kettle, the pressure of the inner cylinder is higher, the control requirement of the reaction temperature is high, but the wall thickness of the inner cylinder is thicker, the heat can not be quickly transferred, and the quality of the reaction product does not reach the standard. In addition, the conventional high-power stirrer only plays a role in mixing, and the reaction materials in a large-scale reaction kettle do not meet the uniformity requirement. For solving prior art's not enough, this application provides a cauldron formula reactor for high pressure is upsized, and the device of this application can in time, science, reasonable shift out the heat, reaches the purpose that has both satisfied material reaction process's requirement and reduced wall thickness reduction equipment cost. Meanwhile, a multilayer high-efficiency low-power stirrer is adopted, so that the uniformity of reaction materials in the kettle is ensured, and the stability of product quality is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme:
the kettle type reactor for high-pressure large-scale production is characterized by comprising an inner cylinder, a jacket and a stirrer arranged on the inner cylinder, wherein the inner cylinder comprises an upper end socket, an inner cylinder body and a lower end socket which are arranged from top to bottom, and the jacket is sleeved on the outer sides of the inner cylinder body and the lower end socket; the outer sides of the inner cylinder body and the lower end enclosure are fixedly provided with inner cylinder reinforcing structures, the inner cylinder reinforcing structures comprise metal rigid supporting sheets which are uniformly distributed at intervals on the outer sides of the inner cylinder body and the lower end enclosure, and the free end surfaces of the metal rigid supporting sheets are attached to the inner wall of the jacket so as to transmit the pressure in the inner cylinder to the jacket through the inner cylinder reinforcing structures, so that the jacket and the inner cylinder bear the pressure in the inner cylinder together; the thickness of the upper end enclosure is larger than that of the inner cylinder and the lower end enclosure, the wall thickness of the jacket is larger than that of the inner cylinder and the lower end enclosure, and the two opposite sides of the jacket are respectively provided with a heat transfer medium inlet and a heat transfer medium outlet.
The kettle reactor for high-pressure large-scale production is characterized in that the outer walls of the inner cylinder and the lower end enclosure are connected with metal rigid support sheets in a welding and fixing mode.
The kettle type reactor for high-pressure upsizing is characterized in that the stirrer comprises a rotating shaft which is sealed and rotatably arranged on the upper end enclosure, the lower end of the rotating shaft vertically extends into the inner part of the inner cylinder body and the lower end enclosure, a plurality of layers of stirring blades are arranged on the rotating shaft which is positioned in the inner part of the inner cylinder body and the inner part of the lower end enclosure, and the upper end of the rotating shaft is arranged on the top wall of the upper end enclosure and is connected with a motor.
The kettle type reactor for high-pressure large-scale production is characterized in that the jacket comprises a jacket cylinder and a jacket end socket arranged at the bottom of the jacket cylinder, and the two opposite sides of the jacket cylinder are respectively provided with a heat transfer medium inlet and a heat transfer medium outlet so as to introduce heat transfer medium into the jacket and provide heat transfer for keeping the reaction temperature of materials in the inner cylinder.
The kettle type reactor for high-pressure large-scale production is characterized in that an annular connecting plate is arranged on the side part of the joint of the upper end enclosure and the inner cylinder, and the annular connecting plate is fixedly connected with the top of the jacket cylinder in a sealing mode through a flange.
In the device structure of this application, the inner tube comprises upper cover, interior barrel, inner tube additional strengthening, low head, and the purpose of design lets upper and lower head, interior barrel, inner tube additional strengthening bear the internal pressure that comes from the inner tube together, and low head, interior barrel, inner tube additional strengthening bear the external pressure of pressing from both sides the cover together. The design idea is that the inner cylinder reinforcing structure arranged on the inner cylinder body is adopted to transmit the internal pressure of the inner cylinder to the jacket through the inner cylinder reinforcing structure, so that the jacket and the inner cylinder bear the pressure in the inner cylinder together. The design idea is different from the traditional design idea that: the traditional pressure bearing parts mainly comprise an inner cylinder body, an upper end enclosure and a lower end enclosure, wherein the upper end enclosure and the lower end enclosure are spherical end enclosures, elliptical end enclosures or other types, internal pressure is borne by the strength and the structure of materials, and the higher the pressure is, the thicker the wall thickness is.
The device structural design of this application's advantage lies in: the inner cylinder reinforcing structure is welded with the inner cylinder body and the lower end enclosure, is not welded with the jacket, but is tightly attached. The stress characteristics of the inner cylinder and the jacket are fully utilized, and the stress of the inner cylinder is uniformly distributed on the jacket through the inner cylinder reinforcing structure, so that the jacket is stressed. The wall thickness of the inner cylinder is smaller than that of the jacket, and the reinforcing structure of the inner cylinder also has the function of flow guiding, so that heat can be transferred conveniently. The shape and contour of the inner cylinder reinforcing structure are consistent with those of the jacket, so that the jacket is uniformly stressed. The jacket cylinder is connected with the inner cylinder and the jacket end socket by adopting a special structure, and the deformation failure of the equipment cannot be caused by micro deformation. Thereby achieving the purpose of reducing the wall thickness of the inner cylinder body.
The invention has the beneficial effects that: the device of this application replaces traditional inner tube and presss from both sides the structure that the cover part atress, has effectively realized the attenuate of inner tube wall thickness for giving off of inner tube reaction heat, adopts the high-efficient low-power type agitator of multilayer simultaneously, guarantees that the material is heated evenly, accelerates inner tube reaction heat's transmission, plays the impetus to making the cauldron formula reactor of major diameter and the cauldron formula reactor of higher pressure.
Drawings
FIG. 1 is a schematic view of the structure of a tank reactor for high-pressure upsizing according to the present application;
FIG. 2 is a schematic structural view of an inner barrel of the present application;
FIG. 3 is a schematic view of the structure of a jacket according to the present application;
FIG. 4 is a schematic structural view of the agitator of the present application;
in FIG. 1, 1-inner cylinder, 2-jacket, 3-stirrer;
in FIG. 2, 101-lower end enclosure, 102-inner cylinder, 103-inner cylinder reinforcing structure, 104-upper end enclosure;
in fig. 3, 201-jacket head, 202-jacket cylinder;
in FIG. 4, 301-stirring blade.
Detailed Description
The present invention is further illustrated by the following examples, which should not be construed as limiting the scope of the invention.
Example (b): compare FIGS. 1-4
The utility model provides a kettle-type reactor for high pressure is upsized, includes inner tube 1, presss from both sides cover 2 and sets up agitator 3 on inner tube 1, inner tube 1 includes top cover 104, interior barrel 102 and low head 101 that top-down set up, the thickness of top cover 104 is greater than the thickness of interior barrel 102 and low head 101, and the fixed inner tube additional strengthening 103 that is provided with in the outside of interior barrel 102 and low head 101 presss from both sides cover 2 and sets up in the outside of interior barrel 102 and low head 101, and the inner wall that presss from both sides cover 2 pastes with inner tube additional strengthening 103 and touches.
Referring to fig. 2, the inner cylinder reinforcing structure 103 includes a plurality of metal rigid supporting sheets uniformly distributed at intervals outside the inner cylinder 102 and outside the lower head 101, and a space for fluid to flow through is left between adjacent metal rigid supporting sheets. When the jacket 2 is sleeved on the outer sides of the inner cylinder 102 and the lower seal head 101, the free end surfaces of all the metal rigid support pieces are in contact with the inner wall of the jacket 2. In the device structure of the application, the inner cylinder reinforcing structure 103 is welded with the inner cylinder 102 and the lower seal head 101, and is not welded with the jacket 2, that is, the outer walls of the inner cylinder 102 and the lower seal head 101 are both connected with the metal rigid support sheets in a welding and fixing mode. The metal material has good heat conductivity, so that heat transfer is facilitated.
When the medium in the inner cylinder 1 reacts, internal pressure is generated, the upper end enclosure 104, the inner cylinder 102 and the lower end enclosure 101 slightly deform outwards under the influence of the reaction internal pressure, and the inner cylinder reinforcing structure 103 also deforms and expands outwards, so that stress is uniformly transmitted to the jacket cylinder 202 and the jacket end enclosure 201. The upper seal head 104, the lower seal head 101, the inner cylinder 102 and the inner cylinder reinforcing structure 103 bear the internal pressure of the inner cylinder 1 together, and the lower seal head 101, the inner cylinder 102 and the inner cylinder reinforcing structure 103 bear the external pressure of the jacket 2.
The wall thickness of the jacket 2 is greater than the thickness of the inner cylinder 102 and the lower head 101.
The jacket 2 comprises a jacket cylinder 202 and a jacket end socket 201 arranged at the bottom of the jacket cylinder 202, and a heat transfer medium inlet and a heat transfer medium outlet are respectively arranged at two opposite sides of the jacket cylinder 202 so as to introduce a heat transfer medium into the jacket 2 and provide heat transfer for keeping the reaction temperature of the materials in the inner cylinder 1.
Further, an annular connecting plate is arranged on the side of the joint of the upper head 104 and the inner cylinder 102, and the annular connecting plate is fixedly connected with the top of the jacket cylinder 202 through a flange seal.
In the comparison of fig. 1 and fig. 4, the stirrer 3 includes a rotating shaft which is rotatably and hermetically installed on the upper end enclosure 104, the lower end of the rotating shaft vertically extends into the inner cylinder 102 and the lower end enclosure 101, a plurality of layers of stirring blades 301 are arranged on the rotating shaft inside the inner cylinder 102 and inside the lower end enclosure 101, the upper end of the rotating shaft is arranged outside the top wall of the upper end enclosure 104 and connected with a motor, and the stirrer 3 stirs according to the material reaction requirement.
The statements in this specification merely set forth a list of implementations of the inventive concept and the scope of the present invention should not be construed as limited to the particular forms set forth in the examples.
Claims (5)
1. The tank reactor for high-pressure upsizing is characterized by comprising an inner cylinder (1), a jacket (2) and a stirrer (3) arranged on the inner cylinder (1), wherein the inner cylinder (1) comprises an upper end enclosure (104), an inner cylinder (102) and a lower end enclosure (101) which are arranged from top to bottom, and the jacket (2) is sleeved on the outer sides of the inner cylinder (102) and the lower end enclosure (101); inner cylinder reinforcing structures (103) are fixedly arranged on the outer sides of the inner cylinder (102) and the lower end enclosure (101), the inner cylinder reinforcing structures (103) comprise metal rigid supporting sheets which are uniformly distributed on the outer sides of the inner cylinder (102) and the lower end enclosure (101) at intervals, and the free end faces of the metal rigid supporting sheets are attached to and contacted with the inner wall of the jacket (2), so that the pressure in the inner cylinder (1) is transmitted to the jacket (2) through the inner cylinder reinforcing structures (103), and the jacket (2) and the inner cylinder (1) bear the pressure in the inner cylinder (1); the thickness of the upper end enclosure (104) is larger than that of the inner cylinder body (102) and the lower end enclosure (101), the wall thickness of the jacket (2) is larger than that of the inner cylinder body (102) and the lower end enclosure (101), and a heat transfer medium inlet and a heat transfer medium outlet are respectively arranged on two opposite sides of the jacket (2).
2. The tank reactor for high-pressure upsizing according to claim 1, wherein the metal rigid support plates are connected to the outer walls of the inner cylinder (102) and the lower head (101) by welding.
3. The tank reactor for high-pressure upsizing according to claim 1, wherein the agitator (3) includes a rotating shaft hermetically and rotatably installed on the upper head (104), the lower end of the rotating shaft vertically extends into the inner cylinder (102) and the lower head (101), and the rotating shaft located inside the inner cylinder (102) and the lower head (101) is provided with a plurality of layers of agitating blades (301), and the upper end of the rotating shaft is located outside the top wall of the upper head (104) and connected with the motor.
4. The tank reactor for high-pressure upsizing according to claim 1, characterized in that the jacket (2) comprises a jacket cylinder (202) and a jacket head (201) arranged at the bottom of the jacket cylinder (202), and the opposite sides of the jacket cylinder (202) are respectively provided with a heat transfer medium inlet and a heat transfer medium outlet so as to introduce the heat transfer medium into the jacket (2) and provide heat transfer for keeping the reaction temperature of the materials in the inner tank (1).
5. The tank reactor for high-pressure upsizing according to claim 4, characterized in that the side of the joint of the upper head (104) and the inner cylinder (102) is provided with an annular connecting plate, and the annular connecting plate is fixedly connected with the top of the jacket cylinder (202) through a flange seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271785.2A CN114100518A (en) | 2021-10-29 | 2021-10-29 | Kettle type reactor for high-pressure large-scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271785.2A CN114100518A (en) | 2021-10-29 | 2021-10-29 | Kettle type reactor for high-pressure large-scale |
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| Publication Number | Publication Date |
|---|---|
| CN114100518A true CN114100518A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111271785.2A Pending CN114100518A (en) | 2021-10-29 | 2021-10-29 | Kettle type reactor for high-pressure large-scale |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515519A (en) * | 1974-10-24 | 1978-06-28 | Sybron Corp | Jacketed vessels |
| CN2472811Y (en) * | 2001-03-07 | 2002-01-23 | 无锡力马化工机械有限公司 | Propylene polymerizing still |
| CN201579044U (en) * | 2009-12-27 | 2010-09-15 | 安徽八一化工股份有限公司 | Magnetic hydriding reactor |
| US20150080539A1 (en) * | 2012-03-29 | 2015-03-19 | Sumitomo Seika Chemicals Co., Ltd. | Polymerization reactor and method for producing water absorbent resin |
| CN111036164A (en) * | 2019-12-31 | 2020-04-21 | 无锡益腾压力容器有限公司 | Hydrogen fluoride resistant spray reactor |
| CN213348863U (en) * | 2020-08-20 | 2021-06-04 | 江苏丰浩化工设备制造有限公司 | Resin reaction kettle |
-
2021
- 2021-10-29 CN CN202111271785.2A patent/CN114100518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515519A (en) * | 1974-10-24 | 1978-06-28 | Sybron Corp | Jacketed vessels |
| CN2472811Y (en) * | 2001-03-07 | 2002-01-23 | 无锡力马化工机械有限公司 | Propylene polymerizing still |
| CN201579044U (en) * | 2009-12-27 | 2010-09-15 | 安徽八一化工股份有限公司 | Magnetic hydriding reactor |
| US20150080539A1 (en) * | 2012-03-29 | 2015-03-19 | Sumitomo Seika Chemicals Co., Ltd. | Polymerization reactor and method for producing water absorbent resin |
| CN111036164A (en) * | 2019-12-31 | 2020-04-21 | 无锡益腾压力容器有限公司 | Hydrogen fluoride resistant spray reactor |
| CN213348863U (en) * | 2020-08-20 | 2021-06-04 | 江苏丰浩化工设备制造有限公司 | Resin reaction kettle |
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