Efficient and energy-saving polyester process chemical reaction kettle

Abstract

The utility model is suitable for the technical field of reaction kettles, and provides an efficient and energy-saving polyester process chemical reaction kettle. A support frame; the reaction kettle body is fixedly mounted in the middle of the support frame; the top cover is movably arranged at the top of the reaction kettle body; the waste gas recycling structure is arranged on the reaction kettle body; and the purifying box is fixedly mounted at the top of the rear side of the supporting frame and is connected with the waste gas recycling structure. Compared with the prior art, the reaction kettle disclosed by the utility model has the beneficial effects that when the reaction kettle is used, the waste gas recycling structure is arranged, so that the generated redundant high-temperature waste gas is pumped out and then flows from inside to outside, and two heat-insulating layers are produced in the reaction kettle body, so that the heat-insulating effect of the reaction kettle body is improved, the heat loss is reduced, and the service life of the reaction kettle is prolonged. Therefore, the heat in the waste gas is recycled, and the waste of the heat is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of reaction kettles, and in particular relates to a highly efficient and energy-saving polyester process chemical reaction kettle. Background Art

[0002] Polyester reaction usually refers to the production of molten polyethylene terephthalate using PTA and ethylene glycol as raw materials through intermittent esterification and polycondensation process routes;

[0003] When conducting production reactions, most reactions are carried out in reactors. However, a large amount of harmful gases will be generated during the reaction. In order to avoid excessive pressure inside the reactor, which may cause damage to the reactor or exhaust gas outflow, the harmful exhaust gas generated needs to be discharged during production. However, since the exhaust gas is generated under high temperature, the exhausted exhaust gas also contains a certain amount of heat. If it is discharged directly, it will not only cause environmental pollution, but also cause internal heat loss, resulting in waste.

[0004] Therefore, how to provide an efficient and energy-saving polyester process chemical reactor is a problem that technical personnel in this field need to solve urgently. Utility Model Content

[0005] The utility model aims to provide a highly efficient and energy-saving polyester process chemical reactor, aiming to solve the problems mentioned in the background technology.

[0006] The utility model is realized by a high-efficiency and energy-saving polyester process chemical reaction kettle, comprising:

[0007] Support frame;

[0008] A reactor body, wherein the reactor body is fixedly mounted in the middle of the support frame;

[0009] A top cover, which is movably arranged on the top of the reactor body;

[0010] An exhaust gas recycling structure, wherein the exhaust gas recycling structure is arranged on the reactor body;

[0011] The purification box is fixedly installed on the top of the rear side of the support frame and is connected to the exhaust gas recycling structure.

[0012] Preferably, an auxiliary adding structure is also provided on the top of the top cover, and the auxiliary adding structure includes an adding tube, a movable block and a blocking block. The adding tube is fixedly installed on the top of the top cover, and an adding inner tube is movably placed inside the adding tube. A limiting block is fixedly installed on the bottom of the adding tube, and a top block is fixedly installed on the top in the middle of the limiting block. A movable groove is provided at the bottom of the adding inner tube, and the movable block is movably arranged in the middle of the movable groove. A spring is movably sleeved on the surface of the movable block and is fixedly connected to the movable groove. A through hole is provided at the lower end of the adding inner tube, and the blocking block is movably inserted into the through hole and fixedly connected to the movable block.

[0013] Preferably, the waste gas recycling structure includes a first heat exchange chamber, a second heat exchange chamber, a first heat exchange tube and a second heat exchange tube. An air pump is fixedly installed on the top of the top cover, and an exhaust pipe is fixedly installed on the surface of the air pump. The first heat exchange chamber and the second heat exchange chamber are arranged in an array from the inside to the outside in the inner wall of the reactor body and are filled with high-temperature inert gas. The first heat exchange tube is spirally installed in the first heat exchange chamber and fixedly connected to the bottom of the exhaust pipe. The second heat exchange tube is spirally installed in the second heat exchange chamber and fixedly connected to the bottom of the first heat exchange tube. The top of the second heat exchange tube passes through the surface of the support frame and is fixedly connected to the exhaust pipe, and is fixedly connected to the purification box.

[0014] Preferably, a lifting structure is provided on the left and right sides of the reactor body to control the change in the height of the top cover. The lifting structure includes a lifting frame and a lifting block. The lifting frame is symmetrically installed on the side of the top cover. A lifting screw is movably installed on the surface of the lifting frame. The lifting block is movably installed on the surface of the lifting screw and fixedly installed on the surface of the top cover.

[0015] Preferably, a stirring structure is provided inside the reactor body, and the stirring structure includes a rotating block, a rotating frame and a rotating disk. The rotating block is fixedly installed in the middle of the top cover, and the rotating frame is installed in a circular array at the bottom of the rotating block. The rotating disk is slidably installed at the top of the reactor body and is movably engaged with the rotating frame. A stirring plate is installed in a circular array at the bottom of the rotating disk.

[0016] Preferably, an activated carbon filling layer is provided inside the purification box, and an air outlet is provided at the lower end of the surface of the purification box.

[0017] Preferably, the shape and size of the edge of the stirring plate are adapted to the shape and size of the inner wall of the reactor body.

[0018] Compared with the prior art, the beneficial effect of the utility model is that when in use, by setting up the exhaust gas recycling structure, the excess high-temperature exhaust gas generated can be extracted and then flow from the inside to the outside, so that it produces two layers of insulation in the reactor body, thereby improving the insulation effect of the reactor body, reducing heat loss, and further realizing the recovery and utilization of heat in the exhaust gas, avoiding heat waste.

[0019] At the same time, by setting up an auxiliary adding structure, the adding inner tube forms a structure isolated from the reactor body, thereby preventing the added items from reacting due to high temperature and producing harmful gases, causing harm to people. At the same time, the internal heat and harmful gases are prevented from escaping, thereby maintaining the insulation effect of the reactor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 A schematic diagram of the overall appearance structure of a highly efficient and energy-saving polyester process chemical reactor provided by an embodiment of the utility model;

[0022] Figure 2 A schematic diagram of the main structure of a highly efficient and energy-saving polyester process chemical reactor provided by an embodiment of the utility model;

[0023] Figure 3 A schematic diagram of the right side cross-sectional structure of a highly efficient and energy-saving polyester process chemical reactor provided by the embodiment of the utility model;

[0024] Figure 4 The embodiment of the utility model provides Figure 3 A schematic diagram of the enlarged structure of part A;

[0025] Figure 5 The embodiment of the utility model provides Figure 3 Schematic diagram of the enlarged structure of part B.

[0026] In the figure: 1-support frame, 2-reactor body, 3-lifting frame, 4-lifting screw, 5-lifting block, 6-top cover, 7-first heat exchange chamber, 8-second heat exchange chamber, 9-first heat exchange tube, 10-second heat exchange tube, 11-rotating block, 12-rotating frame, 13-rotating disk, 14-stirring plate, 15-exhaust pipe, 16-air pump, 17-purification box, 18-addition pipe, 19-addition inner pipe, 20-limiting block, 21-top block, 22-movable groove, 23-through hole, 24-spring, 25-blocking block, 26-movable block, 27-exhaust pipe. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The figure is a schematic diagram of the structure of a highly efficient and energy-saving polyester process chemical reactor provided by an embodiment of the utility model, comprising:

[0030] Support frame 1;

[0031] A reactor body 2, wherein the reactor body 2 is fixedly mounted in the middle of the support frame 1;

[0032] A top cover 6, wherein the top cover 6 is movably arranged on the top of the reactor body 2;

[0033] An exhaust gas recycling structure, wherein the exhaust gas recycling structure is arranged on the reactor body 2;

[0034] The purification box 17 is fixedly mounted on the top of the rear side of the support frame 1 and is connected to the waste gas recycling structure.

[0035] In the embodiment of the utility model, the waste gas recycling structure is started to circulate and discharge the harmful waste gas generated in the reactor body 2, so that a multi-channel heat preservation structure is formed, so that when the reactor body 2 is working, the speed of temperature loss is reduced, and the heat preservation effect is achieved;

[0036] By setting up a waste gas recycling structure, the excess high-temperature waste gas generated is extracted and then flows from the inside to the outside, so that it produces two layers of insulation in the reactor body 2, thereby improving the insulation effect of the reactor body 2 and reducing heat loss, thereby realizing the recovery and utilization of heat in the waste gas and avoiding heat waste.

[0037] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, as a preferred embodiment of the utility model, the top of the top cover 6 is also provided with an auxiliary adding structure, and the auxiliary adding structure includes an adding tube 18, a movable block 26 and a blocking block 25. The adding tube 18 is fixedly installed on the top of the top cover 6, and an adding inner tube 19 is movably placed inside the adding tube 18. A limiting block 20 is fixedly installed on the bottom of the adding tube 18, and a top block 21 is fixedly installed on the top in the middle of the limiting block 20. A movable groove 22 is provided at the bottom of the adding inner tube 19, and the movable block 26 is movably arranged in the middle of the movable groove 22. A spring 24 is movably sleeved on the surface of the movable block 26 and is fixedly connected to the movable groove 22. A through hole 23 is provided at the lower end of the adding inner tube 19, and the blocking block 25 is movably inserted into the inside of the through hole 23 and is fixedly connected to the movable block 26.

[0038] In the embodiment of the utility model, when in use, when adding liquid material, the adding inner tube 19 is pulled out from the adding tube 18, and then the movable block 16 moves downward under the action of the spring 28 in the movable groove 22, thereby driving the blocking block 25 to block the through hole 23, so that the adding inner tube 19 forms a structure isolated from the reactor body 2;

[0039] By setting up an auxiliary adding structure, it is possible to avoid the added items reacting due to high temperature to produce harmful gases and cause harm to people, while also preventing the internal heat and harmful gases from escaping.

[0040] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, as a preferred embodiment of the utility model, the exhaust gas recycling structure includes a first heat exchange chamber 7, a second heat exchange chamber 8, a first heat exchange tube 9 and a second heat exchange tube 10. An air pump 16 is fixedly installed on the top of the top cover 6, and an exhaust pipe 15 is fixedly installed on the surface of the air pump 16. The first heat exchange chamber 7 and the second heat exchange chamber 8 are arranged in an array from the inside to the outside in the inner wall of the reactor body 2 and are filled with high-temperature inert gas. The first heat exchange tube 9 is spirally installed in the first heat exchange chamber 7 and fixedly connected to the bottom of the exhaust pipe 15. The second heat exchange tube 10 is spirally installed in the second heat exchange chamber 8 and fixedly connected to the bottom of the first heat exchange tube 9. The top of the second heat exchange tube 10 passes through the surface of the support frame 1 and is fixedly connected to the exhaust pipe 27, and is fixedly connected to the purification box 17.

[0041] In the embodiment of the utility model, when in use, the air pump 16 is started, and the high-temperature exhaust gas generated is pumped into the first heat exchange tube 9 in the first heat exchange chamber 7 through the exhaust pipe 15, and then heat is exchanged with the inert gas filled in the first heat exchange chamber 7, so that the inert gas is heated up, and then the first heat exchange chamber 7 is raised, thereby forming a layer of insulation layer, and then the exhaust gas after heat exchange enters the second heat exchange tube 10 in the second heat exchange chamber 8 again, and then heat is exchanged with the inert gas filled in the second heat exchange chamber 8, so that the inert gas is heated up, and then the temperature of the second heat exchange chamber 8 is raised, thereby forming a second insulation layer, so that the insulation effect of the reactor body 2 is improved;

[0042] By setting up the exhaust gas recycling structure, the speed of heat loss is reduced, thereby realizing the recovery and utilization of heat in the exhaust gas and avoiding heat waste.

[0043] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the utility model, a lifting structure is arranged on the left and right sides of the reactor body 2 to control the change in the height of the top cover 6. The lifting structure includes a lifting frame 3 and a lifting block 5. The lifting frame 3 is symmetrically installed on the side of the top cover 6. A lifting screw 4 is movably installed on the surface of the lifting frame 3. The lifting block 5 is movably installed on the surface of the lifting screw 4 and fixedly installed on the surface of the top cover 6.

[0044] In the embodiment of the utility model, when in use, the lifting screw 4 on the lifting frame 3 is started, so that the height of the lifting block 5 is raised, so that the top cover 6 is opened, and then the material is conveniently put into the reactor body 2, and then closed;

[0045] By setting up a lifting structure, it is convenient to punch in and out when in use, thereby facilitating the delivery of materials.

[0046] like Figure 3 and Figure 5 As shown, as a preferred embodiment of the utility model, a stirring structure is arranged inside the reactor body 2, and the stirring structure includes a rotating block 11, a rotating frame 12 and a rotating disk 13. The rotating block 11 is fixedly mounted in the middle of the top cover 6, and the rotating frame 12 is installed in a circular array at the bottom of the rotating block 11. The rotating disk 13 is slidably mounted at the top of the reactor body 2 and is movably engaged with the rotating frame 12. A stirring plate 14 is installed in a circular array at the bottom of the rotating disk 13.

[0047] In the embodiment of the utility model, when in use, the rotating block 11 is started, so that the rotating frame 12 drives the stirring plate 14 to rotate, and the heating device contained in the reactor body 2 is started to increase the internal temperature, so that the material is melted and dispersed;

[0048] By providing a stirring structure, the interior of the material can be stirred during heating, so that the material is heated evenly, the melting speed is accelerated, and the work efficiency is improved.

[0049] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the present utility model, an activated carbon filling layer is provided inside the purification box 17, and an air outlet is opened at the lower end of the surface of the purification box 17.

[0050] In the embodiment of the utility model, when in use, an activated carbon filling layer is provided inside the purification box 17, and an air outlet is provided at the lower end of the surface of the purification box 17, so that harmful gases in the exhaust gas can be purified and then discharged.

[0051] like Figure 3 As shown, as a preferred embodiment of the present invention, the shape and size of the edge of the stirring plate 14 are adapted to the shape and size of the inner wall of the reactor body 2 .

[0052] In the embodiment of the utility model, when in use, by matching the shape and size of the edge of the stirring plate 14 with the shape and size of the inner wall of the reactor body 2, it is convenient to scrape off the material stuck on the surface during stirring, thereby facilitating discharge.

[0053] The above embodiment of the utility model provides an efficient and energy-saving polyester process chemical reactor. When in use, the lifting screw 4 on the lifting frame 3 is started, so that the height of the lifting block 5 is raised, so that the top cover 6 is opened, so that the material is conveniently put into the reactor body 2, and then it is closed, and the bottom of the rotating frame 12 at the bottom of the rotating block 11 is inserted into the rotating disk 13 at the top of the stirring plate 14;

[0054] Then, the rotating block 11 is started, so that the rotating frame 12 drives the stirring plate 14 to rotate, and the heating device contained in the reactor body 2 is started to increase the internal temperature, so that the material is melted and dispersed;

[0055] When the reaction is in progress, the air pump 16 is started at the same time, and the high-temperature exhaust gas generated is pumped into the first heat exchange tube 9 in the first heat exchange chamber 7 through the exhaust pipe 15, and then heat is exchanged with the inert gas filled in the first heat exchange chamber 7, so that the inert gas is heated up, and then the first heat exchange chamber 7 is raised, thereby forming a thermal insulation layer, and then the exhaust gas after heat exchange enters the second heat exchange tube 10 in the second heat exchange chamber 8 again, and then heat is exchanged with the inert gas filled in the second heat exchange chamber 8, so that the inert gas is heated up, and then the temperature of the second heat exchange chamber 8 is raised, thereby forming a second thermal insulation layer, so that the thermal insulation effect of the reactor body 2 is improved, the heat loss is reduced, and the heat in the exhaust gas is recovered and utilized, and the waste of heat is avoided;

[0056] The exhaust gas is finally discharged into the purification box 17 through the exhaust pipe 27 and discharged after being purified;

[0057] At the same time, when adding liquid materials, the adding inner tube 19 is pulled out from the adding tube 18, and then the movable block 16 moves downward under the action of the spring 28 in the movable groove 22, thereby driving the blocking block 25 to block the through hole 23, so that the adding inner tube 19 forms a structure isolated from the reactor body 2, thereby preventing the added items from reacting due to the high temperature and generating harmful gases, causing harm to the staff, and preventing the internal heat and harmful gases from escaping;

[0058] Subsequently, the inner tube 19 is covered and pressed so that its bottom contacts the limit block 20. Then, under the action of the top block 21, the movable block 16 rises, thereby separating the blocking block 25 from the through hole 23, so that the liquid additive enters the reactor body 2 and participates in the reaction.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A highly efficient and energy-saving polyester process chemical reactor, characterized in that: include; Support frame; A reactor body, wherein the reactor body is fixedly mounted in the middle of the support frame; A top cover, which is movably arranged on the top of the reactor body; An exhaust gas recycling structure, wherein the exhaust gas recycling structure is arranged on the reactor body; A purification box, which is fixedly mounted on the top of the rear side of the support frame and connected to the exhaust gas recycling structure; The waste gas recycling structure includes a first heat exchange chamber, a second heat exchange chamber, a first heat exchange tube and a second heat exchange tube. An air pump is fixedly installed on the top of the top cover, and an exhaust pipe is fixedly installed on the surface of the air pump. The first heat exchange chamber and the second heat exchange chamber are arranged in an array from the inside to the outside in the inner wall of the reactor body and are filled with high-temperature inert gas. The first heat exchange tube is spirally installed in the first heat exchange chamber and fixedly connected to the bottom of the exhaust pipe. The second heat exchange tube is spirally installed in the second heat exchange chamber and fixedly connected to the bottom of the first heat exchange tube. The top of the second heat exchange tube passes through the surface of the support frame and is fixedly connected to the exhaust pipe, and is fixedly connected to the purification box.

2. A highly efficient and energy-saving polyester process chemical reactor according to claim 1, characterized in that: The top of the top cover is also provided with an auxiliary adding structure, and the auxiliary adding structure includes an adding tube, a movable block and a blocking block. The adding tube is fixedly installed on the top of the top cover, and an adding inner tube is movably placed inside the adding tube. A limiting block is fixedly installed on the bottom of the adding tube, and a top block is fixedly installed on the top in the middle of the limiting block. A movable groove is provided at the bottom of the adding inner tube, and the movable block is movably arranged in the middle of the movable groove. A spring is movably sleeved on the surface of the movable block and is fixedly connected to the movable groove. A through hole is provided at the lower end of the adding inner tube, and the blocking block is movably inserted into the through hole and fixedly connected to the movable block.

3. The high-efficiency and energy-saving polyester process chemical reactor according to claim 1, characterized in that: The left and right sides of the reactor body are provided with lifting structures to control the change of the height of the top cover. The lifting structure includes a lifting frame and a lifting block. The lifting frame is symmetrically installed on the side of the top cover. A lifting screw is movably installed on the surface of the lifting frame. The lifting block is movably installed on the surface of the lifting screw and fixedly installed on the surface of the top cover.

4. The high-efficiency and energy-saving polyester process chemical reactor according to claim 1, characterized in that: A stirring structure is arranged inside the reactor body, and the stirring structure includes a rotating block, a rotating frame and a rotating disk. The rotating block is fixedly mounted on the middle part of the top cover, the rotating frame is circularly arrayed on the bottom of the rotating block, the rotating disk is slidably mounted on the top of the reactor body and movably engaged with the rotating frame, and a stirring plate is installed on the bottom circular array of the rotating disk.

5. The high-efficiency and energy-saving polyester process chemical reactor according to claim 1, characterized in that: An activated carbon filling layer is arranged inside the purification box, and an air outlet is opened at the lower end of the surface of the purification box.

6. The high-efficiency and energy-saving polyester process chemical reactor according to claim 4, characterized in that: The shape and size of the edge of the stirring plate are adapted to the shape and size of the inner wall of the reactor body.

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