CN108295795B - Conduction oil heating low-loss stirring reaction kettle - Google Patents
Conduction oil heating low-loss stirring reaction kettle Download PDFInfo
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- CN108295795B CN108295795B CN201810386465.3A CN201810386465A CN108295795B CN 108295795 B CN108295795 B CN 108295795B CN 201810386465 A CN201810386465 A CN 201810386465A CN 108295795 B CN108295795 B CN 108295795B
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a conduction oil heating low-loss stirring reaction kettle which comprises a kettle body, a sandwich plate, a heating oil circulating device and a cooling water tank, wherein a stirring shaft is rotatably arranged in the kettle body, a blade fixing ring is sleeved on the stirring shaft, and a short blade and a long blade are connected to the blade fixing ring; an oil storage layer is formed between the kettle body and the sandwich plate, heat conduction oil is filled in the oil storage layer, a hot oil coil is paved in the oil storage layer, two ends of the hot oil coil are communicated with a heating oil circulating device, and a cooling liquid coil is paved in the oil storage layer. According to the conduction oil heating low-loss stirring reaction kettle, materials are uniformly stirred during operation, the rapid and full reaction is facilitated, meanwhile, the temperature in the kettle body can be rapidly adjusted according to the needs by simultaneously arranging the hot oil coil and the cooling liquid coil, and meanwhile, the temperature change is milder by indirectly heating the conduction oil in the oil storage layer.
Description
Technical Field
The invention belongs to the field of chemical production mechanical equipment, and particularly relates to a heat conduction oil heating low-loss stirring reaction kettle.
Background
The reaction kettle is one of the most common production machines in chemical production, and is used as a reaction container for chemical raw materials, the reaction is carried out in a desired direction by changing the conditions inside the reaction kettle, and the reaction kettle can be structurally regulated according to different produced materials, but the main structure of the reaction kettle is consistent with the production principle.
The reaction kettle is used as a reaction container for producing raw materials, the reaction kettle is required to be heated before or at a certain stage in the reaction process to promote the reaction, the reaction kettle is heated by utilizing heat conduction oil, the reaction kettle has the characteristics of corrosion resistance, high heating speed and high heating temperature, but at the same time, the heat conduction oil has low specific heat capacity, large temperature change, insufficient temperature control in time in operation usually brings unexpected trouble, and in order to promote the reaction in operation of the reaction kettle, the raw materials are required to be fully mixed in the stirring mode in the reaction process, so as to ensure the uniformity degree of the mixing, the rotating speed and the rotating direction of a stirring shaft are often changed in the stirring process, the stirring method can cause large burden on a motor, the stirring shaft and a shaft coupling, and the stirring shaft is deformed for a long time.
Disclosure of Invention
The invention aims to provide a conduction oil heating low-loss stirring reaction kettle.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a conduction oil heating low-loss stirring reaction kettle, includes the cauldron body, sandwich panel, heating oil circulating device and coolant tank, the internal (mixing) shaft that rotates of cauldron is installed, has cup jointed the blade solid fixed ring on the (mixing) shaft, be connected with short blade and long blade on the blade solid fixed ring;
the stirring shaft comprises a short-diameter shaft and a long-diameter shaft, the short-diameter shaft and the long-diameter shaft are connected in a staggered manner, two first fixing plates are arranged on the short-diameter shaft, and fixing screw holes are formed in the first fixing plates;
the blade fixing ring comprises a ring frame, two ends of the ring frame are connected with second fixing plates through springs, fixing screw holes are formed in the second fixing plates, the two ring frames are sleeved on the short-diameter shaft, and the second fixing plates and the first fixing plates are fixed together through bolts;
an oil storage layer is formed between the kettle body and the sandwich plate, heat conduction oil is filled in the oil storage layer, a hot oil coil is paved in the oil storage layer, and two ends of the hot oil coil are communicated with a heating oil circulation device;
the heating oil circulation device comprises a heating tank, a hot oil storage tank and a gas booster pump, wherein the heating tank is communicated with the hot oil storage tank through an oil guide pipe, the heating device is arranged in the heating tank, and the hot oil storage tank is communicated with the gas booster pump;
and a cooling liquid coil pipe is laid in the oil storage layer, and two ends of the cooling liquid coil pipe are respectively communicated with the cooling water tank through a liquid inlet pipe and a liquid outlet pipe.
As a further scheme of the invention, one end of the long-diameter shaft connected with the short-diameter shaft is provided with a limiting circular groove, and the circular ring frame is provided with a circular ring bulge which is inserted into the limiting circular groove.
As a further aspect of the present invention, the installation height of the heating tank is greater than the installation height of the hot oil storage tank.
As a further scheme of the invention, one end of the hot oil coil pipe is communicated with the hot oil storage tank through an oil inlet pipe, and the other end of the hot oil coil pipe is communicated with the heating tank through an oil outlet pipe.
As a further scheme of the invention, a spoiler is arranged on the inner wall of the kettle body, and a wavy groove is formed in the spoiler.
As a further scheme of the invention, the working method of the heating oil circulation device is as follows: heating conduction oil through a heating tank, opening a valve on an oil conduction pipe to conduct the conduction oil into a thermal oil storage tank after the heating is completed, closing the valve on the oil conduction pipe, opening the valve on an oil inlet pipe, inputting high-pressure gas into the thermal oil storage tank through a gas booster pump, inputting high-temperature conduction oil into a thermal oil coil, and heating the conduction oil in the thermal oil storage layer through the thermal oil coil.
The invention has the beneficial effects that: according to the conduction oil heating low-loss stirring reaction kettle, materials are uniformly stirred during operation, the rapid and full reaction is facilitated, meanwhile, the temperature in the kettle body can be rapidly adjusted according to the needs by simultaneously arranging the hot oil coil and the cooling liquid coil, and meanwhile, the temperature change is milder by indirectly heating the conduction oil in the oil storage layer.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a stirring shaft;
FIG. 3 is a schematic view of a blade retaining ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The utility model provides a conduction oil heating low-loss stirring reation kettle, is shown as fig. 1, includes the cauldron body 1, sandwich panel 6, heating oil circulating device and cooling water tank 2, be provided with feed inlet 11 and discharge gate 12 on the cauldron body 1, (mixing) shaft 7 is installed to the internal rotation of cauldron body 1, and (mixing) shaft 7 passes through shaft coupling 72 and is connected with driving motor 71, has cup jointed blade solid fixed ring 8 on the (mixing) shaft 7, be connected with short blade 81 and long blade 82 on the blade solid fixed ring 8, can produce stirring turbulent flow through the blade that connects different length on blade solid fixed ring 8, have a intensive mixing with the reaction raw materials.
As shown in fig. 2, the stirring shaft 7 includes a short diameter shaft 73 and a long diameter shaft 76, the short diameter shaft 73 and the long diameter shaft 76 are connected in a staggered manner, two first fixing plates 75 are mounted on the short diameter shaft 73, fixing screw holes are formed in the first fixing plates 75, and a limit circular groove 74 is formed in one end of the long diameter shaft 76 connected with the short diameter shaft 73; as shown in fig. 3, the blade fixing ring 8 includes a ring frame 83, two ends of the ring frame 83 are connected with a second fixing piece 86 through a spring 85, a fixing screw hole is formed in the second fixing piece 86, a ring boss 84 is further provided on the ring frame 83, during installation, the two ring frames 83 are sleeved on the short diameter shaft 73, the two second fixing pieces 86 and the first fixing piece 75 are fixed together through bolts, the ring boss 84 is inserted into the limit circular groove 74, during operation, in order to uniformly mix, the stirring shaft 7 is driven by the driving motor 71 to change the rotating speed and the rotating direction constantly, at this time, the spring 85 can play a buffering role on the blade and the coupling 72, so that the deformation loss of the device is reduced due to the force applied to the devices such as the blade and the coupling 72 when the rotating speed of the stirring shaft 7 is suddenly changed or the rotating direction is suddenly changed.
The sandwich plate 6 is installed on the surface of the kettle body 1, an oil storage layer 63 is formed between the kettle body 1 and the sandwich plate 6, heat conduction oil is filled in the oil storage layer 63 to serve as a heat conduction layer, a hot oil coil pipe 61 is further paved in the oil storage layer 63, and two ends of the hot oil coil pipe 61 are communicated with a heating oil circulation device.
The heating oil circulation device comprises a heating tank 3, a hot oil storage tank 4 and a gas booster pump 5, wherein the heating tank 3 is communicated with the hot oil storage tank 4 through an oil guide pipe 32, a valve is arranged on the oil guide pipe 32, a heating device is arranged in the heating tank 3, the heating device is used for heating the heat-conducting oil, the installation height of the heating tank 3 is larger than that of the hot oil storage tank 4, the heat-conducting oil in the heating tank 3 can directly flow into the hot oil storage tank 4 under the action of gravity, the hot oil storage tank 4 is communicated with the gas booster pump 5, the hot oil storage tank 4 is communicated with one end of a hot oil coil 61 through an oil inlet pipe 41, the heating tank 3 is communicated with the other end of the hot oil coil 61 through an oil outlet pipe 31, during operation, the heat-conducting oil is heated through the heating tank 3, after heating is completed, the valve on the oil guide pipe 32 is opened to introduce the heat-conducting oil into the hot oil storage tank 4, the valve on the oil guide pipe 32 is closed, the valve on the oil inlet pipe 41 is opened, the high-pressure gas is input into the hot oil storage tank 4 through the gas booster pump 5, the high-temperature heat-conducting oil is input into the coil 61, and the heat-conducting oil in the oil storage layer 63 is heated through the coil 61, so that the heating of the heat oil in the kettle body 1 is heated.
A cooling liquid coil pipe 62 is further laid in the oil storage layer 63, two ends of the cooling liquid coil pipe 62 are respectively communicated with the cooling water tank 2 through the liquid inlet pipe 21 and the liquid outlet pipe 22, and circulating cooling water is supplied to cool the heat conduction oil in the oil storage layer 63 through the cooling water tank 2.
As a further scheme of the invention, the spoiler 13 is arranged on the inner wall of the kettle body 1, the spoiler 13 is provided with the wavy grooves, and when the liquid raw material is in the reaction kettle, the liquid raw material can show irregular flow under the influence of the wavy grooves in the stirring process, thereby being beneficial to the full mixing of the raw materials.
The heat-conducting oil heating low-loss stirring reaction kettle disclosed by the invention has the advantages that materials are uniformly stirred during operation, the reaction is fast and fully carried out, meanwhile, the temperature in the kettle body 1 can be fast regulated according to the needs by simultaneously arranging the hot oil coil pipe 61 and the cooling liquid coil pipe 62, and meanwhile, the temperature change is milder by indirectly heating the heat-conducting oil in the oil storage layer 63.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The utility model provides a conduction oil heating low-loss stirring reaction kettle which is characterized by comprising a kettle body (1), a sandwich plate (6), a heating oil circulation device and a cooling water tank (2), wherein a stirring shaft (7) is rotationally arranged in the kettle body (1), a blade fixing ring (8) is sleeved on the stirring shaft (7), and a short blade (81) and a long blade (82) are connected on the blade fixing ring (8);
the stirring shaft (7) comprises a short-diameter shaft (73) and a long-diameter shaft (76), the short-diameter shaft (73) and the long-diameter shaft (76) are connected in a staggered mode, two first fixing plates (75) are arranged on the short-diameter shaft (73), and fixing screw holes are formed in the first fixing plates (75);
the blade fixing ring (8) comprises a ring frame (83), two ends of the ring frame (83) are connected with a second fixing piece (86) through springs (85), fixing screw holes are formed in the second fixing piece (86), the two ring frames (83) are sleeved on the short-diameter shaft (73), and the second fixing piece (86) and the first fixing piece (75) are fixed together through bolts;
an oil storage layer (63) is formed between the kettle body (1) and the sandwich plate (6), the oil storage layer (63) is filled with heat conduction oil, a hot oil coil pipe (61) is paved in the oil storage layer (63), and two ends of the hot oil coil pipe (61) are communicated with a heating oil circulation device;
the heating oil circulation device comprises a heating tank (3), a hot oil storage tank (4) and a gas booster pump (5), wherein the heating tank (3) is communicated with the hot oil storage tank (4) through an oil guide pipe (32), the heating tank (3) is internally provided with the heating device, and the hot oil storage tank (4) is communicated with the gas booster pump (5);
a cooling liquid coil pipe (62) is paved in the oil storage layer (63), and two ends of the cooling liquid coil pipe (62) are respectively communicated with the liquid outlet pipe (22) and the cooling water tank (2) through a liquid inlet pipe (21);
a limiting circular groove (74) is formed in one end, connected with the short diameter shaft (73), of the long diameter shaft (76), a circular ring protrusion (84) is arranged on the circular ring frame (83), and the circular ring protrusion (84) is inserted into the limiting circular groove (74);
a spoiler (13) is arranged on the inner wall of the kettle body (1), and a wavy groove is formed in the spoiler (13).
2. The conduction oil heating low-loss stirred tank reactor according to claim 1, wherein the installation height of the heating tank (3) is greater than the installation height of the hot oil storage tank (4).
3. The conduction oil heating low-loss stirring reaction kettle according to claim 1, wherein one end of the hot oil coil pipe (61) is communicated with the hot oil storage tank (4) through an oil inlet pipe (41), and the other end of the hot oil coil pipe (61) is communicated with the heating tank (3) through an oil outlet pipe (31).
4. The conduction oil heating low-loss stirring reaction kettle according to claim 1, wherein the working method of the heating oil circulation device is as follows: firstly, heating conduction oil through a heating tank (3), after heating is completed, opening a valve on an oil guide pipe (32) to guide the conduction oil into a thermal oil storage tank (4), closing the valve on the oil guide pipe (32), opening a valve on an oil inlet pipe (41), inputting high-pressure gas into the thermal oil storage tank (4) through a gas booster pump (5), inputting high-temperature conduction oil into a thermal oil coil pipe (61), and heating the conduction oil in an oil storage layer (63) through the thermal oil coil pipe (61).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810386465.3A CN108295795B (en) | 2018-04-26 | 2018-04-26 | Conduction oil heating low-loss stirring reaction kettle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810386465.3A CN108295795B (en) | 2018-04-26 | 2018-04-26 | Conduction oil heating low-loss stirring reaction kettle |
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| CN108295795A CN108295795A (en) | 2018-07-20 |
| CN108295795B true CN108295795B (en) | 2023-06-09 |
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| CN114130331B (en) * | 2021-11-19 | 2023-06-13 | 浙江圣效化学品有限公司 | Reaction kettle structure with high stirring efficiency for solid phase carboxylation |
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