CN217473485U - Reactor device for petrochemical continuous catalytic cracking reaction - Google Patents
Reactor device for petrochemical continuous catalytic cracking reaction Download PDFInfo
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- CN217473485U CN217473485U CN202221628158.XU CN202221628158U CN217473485U CN 217473485 U CN217473485 U CN 217473485U CN 202221628158 U CN202221628158 U CN 202221628158U CN 217473485 U CN217473485 U CN 217473485U
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Abstract
The application provides a reactor device for petrochemical industry continuous catalytic cracking reaction, relates to catalytic reaction technical field, including heating element and schizolysis subassembly. Oil tank oil outlet end intercommunication has the third connecting pipe, heavy oil circulating pump oil inlet end and the other end intercommunication of third connecting pipe, the back flow both ends communicate with heavy oil circulating pump oil outlet end and heating furnace one side respectively, first connecting pipe both ends communicate with heating furnace one side and U type tubular reactor one end respectively, and be provided with the reactant charge door on the first connecting pipe, U type tubular reactor and high temperature vapour and liquid separator one side intercommunication, the discharge gate has been seted up on high temperature vapour and liquid separator top, set the reactor to the U type form, the height of reactor has been reduced, make the reactor in the transportation, all more convenient during the installation. The U-shaped tube reactor is beneficial to the gas-liquid tight contact of reactants during reaction, solves the difficult problem of gas-liquid-solid separation, improves the heating and heat transfer efficiency and greatly reduces the energy consumption.
Description
Technical Field
The application relates to the field of catalytic reactions, in particular to a reactor device for petrochemical continuous catalytic cracking reaction.
Background
The reactor device for petrochemical continuous catalytic reaction is completed by a fixed bed reactor, a heating pipe in the fixed bed is filled with a solid catalyst, and the heating pipe heats the solid catalyst to reach a set temperature to complete the reaction.
Because the petrochemical continuous catalytic reaction has long process, the height of the reactor is also overlong, the overlong height of the reactor can cause that the engineering transportation and the installation are inconvenient, and the heating and heat transfer efficiency of the electric heating pipe and the solid catalyst is low and the energy consumption is large.
Disclosure of Invention
In order to overcome the current not enough, the embodiment of the application provides a reactor device for petrochemical industry continuous catalytic cracking reaction, and it can solve above-mentioned reactor height overlength, causes transportation and installation inconvenient, and the heating of electric heating pipe and solid catalyst with heat transfer efficiency low, the big problem of energy consumption.
The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows: a reactor device for petrochemical continuous catalytic cracking reaction comprises a heating component and a cracking component.
The heating assembly comprises a heating furnace; the cracking component comprises an oil tank, a heavy oil circulating pump, a return pipe, a first connecting pipe, a U-shaped pipe reactor, a high-temperature gas-liquid separator, a second connecting pipe and a liquid level meter, wherein the oil outlet end of the oil tank is communicated with a third connecting pipe, the oil inlet end of the heavy oil circulating pump is communicated with the other end of the third connecting pipe, the two ends of the return pipe are respectively communicated with the oil outlet end of the heavy oil circulating pump and one side of the heating furnace, the two ends of the first connecting pipe are respectively communicated with one side of the heating furnace and one end of the U-shaped pipe reactor, a reactant feeding port is arranged on the first connecting pipe, the U-shaped pipe reactor is communicated with one side of the high-temperature gas-liquid separator, a discharge port is arranged at the top end of the high-temperature gas-liquid separator, the top end of the second connecting pipe is communicated with the bottom end of the high-temperature gas-liquid separator, the bottom end of the second connecting pipe is communicated with the oil tank, and an oil filling port is arranged at the top of the oil tank, the liquid level meter is installed on the outer wall of the oil tank, and the bottom end of the U-shaped tube reactor is provided with an overhaul valve.
In a specific embodiment, the heating furnace comprises a furnace body and a smoke exhaust pipe, wherein a gas port is formed in the bottom end of the furnace body, the smoke exhaust pipe is communicated with the top of the furnace body, and two sides of the furnace body are respectively communicated with the return pipe and the first connecting pipe.
In a specific embodiment, the reactor device for petrochemical continuous catalytic cracking reaction further comprises a gas filtering component, wherein the bottom end of the gas filtering component is communicated with the top end of the smoke exhaust pipe.
In a specific embodiment, the gas filtering component comprises a filtering box and a gas filtering piece, the bottom end of the filtering box is communicated with the smoke exhaust pipe in a sealing mode, the top end of the filtering box is communicated with an air outlet pipe, and the gas filtering piece is detachably arranged inside the filtering box.
In a specific embodiment, the filtration mouth has been seted up to rose box lateral wall, just rose box inner wall opposite face fixedly connected with limiting plate, the gaseous filtration piece pull is located two in pull mouth department limiting plate top.
In a specific embodiment, the gas filtration piece includes handle, spacing slat, connection slat and filter house, the handle install in spacing slat one side, connect the slat with spacing slat opposite side fixed connection, the filter house set up in connect the slat other end, just the filter house is located inside the rose box, it is intraoral to connect the slat to be located the pull, the handle with spacing slat is located the rose box outside.
In a specific embodiment, the filter section comprises a filter mesh layer and an activated carbon layer, and the activated carbon layer is arranged above the filter mesh layer.
In a specific embodiment, the filter part further comprises a filter cotton layer, and the filter cotton layer is arranged above the activated carbon layer.
The embodiment of the application has the advantages that:
1. the reactor is set to be in a U shape, so that the height of the reactor is reduced, and the reactor is more convenient to transport and install.
2. The U-shaped tube reactor is beneficial to gas-liquid tight contact of reactants during reaction, solves the difficult problem of gas-liquid-solid separation, improves the heating and heat transfer efficiency and greatly reduces the energy consumption.
Drawings
FIG. 1 is a schematic structural diagram of a reactor device for petrochemical continuous catalytic cracking reaction according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a connection structure of a heating furnace and a gas filtering assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a gas filter assembly according to an embodiment of the present disclosure;
figure 4 is a schematic diagram of a gas filter according to an embodiment of the present disclosure.
In the figure: 10-a heating assembly; 110-heating furnace; 111-furnace body; 112-gas port; 113-a smoke exhaust pipe; 20-a lysis module; 210-an oil tank; 211-oil filler; 220-heavy oil circulating pump; 230-a return conduit; 240-a first connection tube; 241-a reactant feed port; a 250-U-shaped tube reactor; 260-high temperature gas-liquid separator; 270-a second connecting tube; 280-maintenance of valves; 290-a level gauge; 30-a gas filtration module; 310-a filter tank; 320-air outlet pipe; 330-a gas filter; 331-a handle; 332-a limit slat; 333-connecting the laths; 334-a filtering part; 3341-filtering net layer; 3342-activated carbon layer; 3343-a layer of filter cotton; 340-limiting plate.
Detailed Description
The technical scheme in this application embodiment is for solving the high overlength of above-mentioned reactor, causes transportation and installation all inconvenient, and electric heating pipe and solid catalyst's heating and heat transfer efficiency low, the big problem of energy consumption, and the general thinking is as follows:
referring to fig. 1 to 4, a reactor apparatus for petrochemical continuous catalytic cracking reaction includes a heating assembly 10 and a cracking assembly 20.
Wherein, heating element 10 heats whole reaction, and cracking element 20 forms a heavy oil closed loop circulation, has reduced the height of reactor, improves heating and heat transfer efficiency.
Referring to fig. 1 and 2, the heating unit 10 includes a heating furnace 110; wherein, the heating furnace 110 heats the heavy oil.
The heating furnace 110 comprises a furnace body 111 and a smoke exhaust pipe 113, wherein the bottom end of the furnace body 111 is provided with a gas port 112, the smoke exhaust pipe 113 is communicated with the top of the furnace body 111, and two sides of the furnace body 111 are respectively communicated with a return pipe 230 and a first connecting pipe 240. Heavy oil in the furnace body 111 is heated by natural gas through the gas port 112, and gas generated by heating is discharged through the smoke discharge pipe 113.
Referring to fig. 1, the cracking assembly 20 includes an oil tank 210, a heavy oil circulation pump 220, a return pipe 230, a first connection pipe 240, a U-shaped tube reactor 250, a high temperature gas-liquid separator 260, a second connection pipe 270 and a liquid level meter 290, an oil outlet end of the oil tank 210 is communicated with the third connection pipe, an oil inlet end of the heavy oil circulation pump 220 is communicated with the other end of the third connection pipe, two ends of the return pipe 230 are respectively communicated with an oil outlet end of the heavy oil circulation pump 220 and one side of the heating furnace 110, two ends of the first connection pipe 240 are respectively communicated with one side of the heating furnace 110 and one end of the U-shaped tube reactor 250, the first connection pipe 240 is provided with a reactant inlet 241, the U-shaped tube reactor 250 is communicated with one side of the high temperature gas-liquid separator 260, a discharge port is formed at a top end of the high temperature gas-liquid separator 260, a top end of the second connection pipe 270 is communicated with a bottom end of the high temperature gas-liquid separator 260, a bottom end of the second connection pipe 270 is communicated with the oil tank 210, an oil inlet 211 is formed at a top end of the oil tank 210, the liquid level meter 290 is installed on the outer wall of the oil tank 210, and the bottom end of the U-shaped tube reactor 250 is provided with a maintenance valve 280. Wherein, firstly, the heavy oil is added into the oil tank 210 through the oil filling port 211 as a heat transfer medium, then the heavy oil circulating pump 220 is started, the heavy oil circulating pump 220 pumps out the heavy oil in the oil tank 210 and enters the heating furnace 110 through the return pipe 230, after the heating furnace 110 heats the heavy oil to a set temperature, the heavy oil is input into the U-shaped tube reactor 250 through the first connecting pipe 240, then the reactant is input through the reactant adding port 241 on the first connecting pipe 240, the reactant is heated in the U-shaped tube reactor 250 through the heavy oil heat transfer medium for reaction, after the reaction, the resultant and the heavy oil enter the high temperature gas-liquid separator 260 together, enter the lower section device through the discharge port of the high temperature gas-liquid separator 260 for treatment, and the heavy oil reenters the oil tank 210 through the second connecting pipe 270 for continuous circulation. The level gauge 290 facilitates the real-time knowledge of the amount of heavy oil in the tank 210 for the convenience of adding in time. The maintenance valve 280 facilitates separate maintenance of the two sets of U-shaped tube reactors 250. After the heavy oil is added into the oil tank 210 through the oil filling port 211, the heavy oil is returned to the oil tank 210 through the heavy oil circulating pump 220, the heating furnace 110, the U-shaped tube reactor 250 and the high-temperature gas-liquid separator 260, thereby forming a closed-loop circulation of the heavy oil. Through the arrangement of the U-shaped tube reactor 250, the height of the reactor is reduced, so that the reactor is more convenient to transport and install. Meanwhile, the U-shaped tube reactor 250 is beneficial to gas-liquid tight contact of reactants during reaction, solves the difficult problem of gas-liquid-solid separation, improves the heating and heat transfer efficiency and greatly reduces the energy consumption.
In this embodiment, the height of the reactor is changed from 16 m to 4 m, and the U-shaped tube reactor 250 (phi 20cm, length 4 m) is formed by connecting 2 sets of reactors in series to form a 16 m-section reactor, so that the height of the original reactor is reduced.
In this embodiment, the oil tank 210, the heavy oil circulation pump 220, the return pipe 230, the first connection pipe 240, the U-shaped tube reactor 250, the high-temperature gas-liquid separator 260, the second connection pipe 270 and the third connection pipe are all connected and fixed by using the prior art, and details thereof are not repeated herein.
Referring to fig. 1, 2, 3 and 4, the reactor device for petrochemical continuous catalytic cracking reaction further includes a gas filtering assembly 30, and the bottom end of the gas filtering assembly 30 is communicated with the top end of the smoke discharge pipe 113. Among them, natural gas produces some harmful gases such as: carbon monoxide, the gas filtering component 30 can filter and purify the harmful gas generated in the combustion process of the fuel gas.
The filtration mouth has been seted up to rose box 310 one side wall, and rose box 310 inner wall opposite face fixedly connected with limiting plate 340, and is concrete, limiting plate 340 welded fastening is in rose box 310 inner wall opposite face. The gas filter member 330 is drawn at the draw-out opening and located above the two limiting plates 340, specifically, one side of the filter box 310 away from the filter opening is provided with a limiting groove corresponding to the gas filter member 330, the other end of the gas filter member 330 is located inside the limiting groove, and the limiting groove is provided with a sealing gasket. Through the filter opening that sets up, the convenience is to the change or the washing of gas filtration piece 330, improves gas filtration effect.
The gas filter 330 includes a handle 331, a limit strip 332, a connecting strip 333, and a filter portion 334, the handle 331 is mounted on one side of the limit strip 332, and specifically, the handle 331 is mounted on one side of the limit strip 332 by a screw. The connecting strip plate 333 is fixedly connected with the other side of the limiting strip plate 332, and specifically, the connecting strip plate 333 is integrally formed with the limiting strip plate 332. The filtering part 334 is arranged at the other end of the connecting strip plate 333, the filtering part 334 is positioned inside the filter box 310, the connecting strip plate 333 is positioned in the drawing opening, and the handle 331 and the limiting strip plate 332 are positioned outside the filter box 310. Wherein, the handle 331 is grasped to draw the position-limiting strip plate 332, the connecting strip plate 333 and the filter part 334 out of the filter box 310, and the filter part 334 is cleaned or replaced.
The filter part 334 comprises a filter screen layer 3341 and an activated carbon layer 3342, wherein the activated carbon layer 3342 is arranged above the filter screen layer 3341, specifically, the smaller the mesh number of the filter screen layer 3341, the better, the activated carbon layer 3342 is activated carbon, and the peculiar smell in the gas can be adsorbed. The filtering part 334 further includes a filtering cotton layer 3343, the filtering cotton layer 3343 is disposed above the activated carbon layer 3342, and particularly, the filtering cotton layer 3343 can further filter harmful gas. The gas enters the filtering box 310 from the smoke exhaust pipe 113, is filtered and purified by the filtering net layer 3341, the activated carbon layer 3342 and the filtering cotton layer 3343 in sequence, and is exhausted to the air through the air outlet pipe 320.
When this application uses: firstly, heavy oil serving as a heat transfer medium is added into the oil tank 210 through the oil filling port 211, then the heavy oil circulating pump 220 is started, the heavy oil circulating pump 220 pumps out the heavy oil in the oil tank 210 and enters the heating furnace 110 through the return pipe 230, after the heating furnace 110 heats the heavy oil to a set temperature, the heavy oil is input into the U-shaped tube reactor 250 through the first connecting pipe 240, then a reactant is input through the reactant adding port 241 on the first connecting pipe 240, the reactant is heated in the U-shaped tube reactor 250 through the heavy oil heat transfer medium to react, after the reaction is finished, a product and the heavy oil enter the high-temperature gas-liquid separator 260 together, enter the lower-section device through the discharge port of the high-temperature gas-liquid separator 260 for treatment, and the heavy oil reenters the oil tank 210 through the second connecting pipe 270 to continue circulation. The level gauge 290 facilitates the understanding of the amount of heavy oil inside the tank 210 at any time, so as to facilitate the timely filling. The service valve 280 facilitates separate servicing of the two sets of U-tube reactors 250. After heavy oil is added into an oil filling port 211 of the oil tank 210, the heavy oil is returned to the oil tank 210 through a heavy oil circulating pump 220, the heating furnace 110, the U-shaped tube reactor 250 and the high-temperature gas-liquid separator 260, so that closed-loop circulation of the heavy oil is formed. Through the arrangement of the U-shaped tube reactor 250, the height of the reactor is reduced, so that the reactor is more convenient to transport and install. Meanwhile, the U-shaped tube reactor 250 is beneficial to gas-liquid tight contact of reactants during reaction, solves the difficult problem of gas-liquid-solid separation, improves the heating and heat transfer efficiency and greatly reduces the energy consumption.
It should be noted that the specific models and specifications of the heating furnace 110, the heavy oil circulating pump 220, the high-temperature gas-liquid separator 260, and the liquid level meter 290 need to be determined by type selection according to the actual specifications of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
The power supply and the principle of the heavy oil circulating pump 220 and the high temperature gas-liquid separator 260 will be apparent to those skilled in the art and will not be described in detail herein.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (8)
1. A reactor device for petrochemical continuous catalytic cracking reaction is characterized by comprising
A heating assembly comprising a furnace;
the cracking assembly comprises an oil tank, a heavy oil circulating pump, a return pipe, a first connecting pipe, a U-shaped pipe reactor, a high-temperature gas-liquid separator, a second connecting pipe and a liquid level meter, wherein the oil outlet end of the oil tank is communicated with a third connecting pipe, the oil inlet end of the heavy oil circulating pump is communicated with the other end of the third connecting pipe, two ends of the return pipe are respectively communicated with the oil outlet end of the heavy oil circulating pump and one side of the heating furnace, two ends of the first connecting pipe are respectively communicated with one side of the heating furnace and one end of the U-shaped pipe reactor, a reactant feeding port is arranged on the first connecting pipe, the U-shaped pipe reactor is communicated with one side of the high-temperature gas-liquid separator, a discharge port is arranged at the top end of the high-temperature gas-liquid separator, the top end of the second connecting pipe is communicated with the bottom end of the high-temperature gas-liquid separator, the bottom end of the second connecting pipe is communicated with the oil tank, and an oil filling port is arranged at the top of the oil tank, the liquid level meter is installed on the outer wall of the oil tank, and the bottom end of the U-shaped pipe reactor is provided with a maintenance valve.
2. The reactor device for petrochemical continuous catalytic cracking reaction according to claim 1, wherein the heating furnace comprises a furnace body and a smoke exhaust pipe, the bottom end of the furnace body is provided with a gas port, the smoke exhaust pipe is communicated with the top of the furnace body, and two sides of the furnace body are respectively communicated with the return pipe and the first connecting pipe.
3. The reactor device for petrochemical continuous catalytic cracking reactions as recited in claim 2, further comprising a gas filtering assembly, wherein a bottom end of the gas filtering assembly is in communication with a top end of the smoke exhaust pipe.
4. The reactor device for petrochemical continuous catalytic cracking reaction according to claim 3, wherein the gas filtering component comprises a filtering box and a gas filtering element, the bottom end of the filtering box is in sealed communication with the smoke discharge pipe, the top end of the filtering box is communicated with an air outlet pipe, and the gas filtering element is detachably arranged inside the filtering box.
5. The reactor device for petrochemical continuous catalytic cracking according to claim 4, wherein a filter opening is formed in one side wall of the filter box, limiting plates are fixedly connected to opposite surfaces of the inner wall of the filter box, and the gas filter member is drawn at the drawing opening and located above the two limiting plates.
6. The reactor device for petrochemical continuous catalytic cracking reaction according to claim 5, wherein the gas filtering member comprises a handle, a limiting strip plate, a connecting strip plate and a filtering part, the handle is installed at one side of the limiting strip plate, the connecting strip plate is fixedly connected with the other side of the limiting strip plate, the filtering part is arranged at the other end of the connecting strip plate, the filtering part is positioned inside the filtering box, the connecting strip plate is positioned in a drawing port, and the handle and the limiting strip plate are positioned outside the filtering box.
7. The reactor device for petrochemical continuous catalytic cracking reaction according to claim 6, wherein the filtering part comprises a filtering mesh layer and an activated carbon layer, and the activated carbon layer is disposed above the filtering mesh layer.
8. The reactor device for petrochemical continuous catalytic cracking reaction according to claim 7, wherein the filtering part further comprises a filtering cotton layer disposed above the activated carbon layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221628158.XU CN217473485U (en) | 2022-06-27 | 2022-06-27 | Reactor device for petrochemical continuous catalytic cracking reaction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221628158.XU CN217473485U (en) | 2022-06-27 | 2022-06-27 | Reactor device for petrochemical continuous catalytic cracking reaction |
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| CN217473485U true CN217473485U (en) | 2022-09-23 |
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| CN202221628158.XU Active CN217473485U (en) | 2022-06-27 | 2022-06-27 | Reactor device for petrochemical continuous catalytic cracking reaction |
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