Microchannel reactor for preparing base oil

Abstract

The utility model relates to the technical field of microchannel reactors, in particular to a microchannel reactor for preparing base oil, which is characterized in that a cooling device is matched with an adjusting device to adjust the cooling effect of each part in a reaction path, and the position of a reactor main body is limited and fixed through a limiting device, so that the stability and the practicability of the device are improved; comprising a cooling device, a limiting device and an adjusting device, the cooling device is installed on the limiting device, and the adjusting device is installed on the limiting device.

Description

Technical Field

[0001] The utility model relates to the technical field of microchannel reactors, in particular to a microchannel reactor for preparing base oil. Background Art

[0002] A microchannel reactor is a device that uses microchannel tubes as reaction vessels and catalyst bed materials. Due to its extremely small micropore size, large specific surface area and surface activity, it exhibits unique advantages in chemical reactions; microchannel reactors can significantly improve heat transfer efficiency. Through multi-stage heat exchange technology, its heat transfer area is significantly increased, thereby improving heat transfer efficiency. This is not only conducive to controlling the reaction temperature, but also helps to optimize the reaction process and reduce energy consumption; in the base oil preparation experiment, the use of microchannel reactors can improve the efficiency and effect of the experiment and ensure the accuracy and reliability of the experimental results.

[0003] The Chinese utility model patent with application number CN201720154345.1 in the prior art involves a microchannel reactor, including a main board, a cover plate, a microchannel, a feed channel, a mixing channel, a reaction channel and a discharge channel, etc., which can increase the length of the reaction channel and make the reaction more thorough.

[0004] However, in actual use, the above device does not have the ability to fix the position, and the channel length is fixed and does not have the ability to adjust the length, and the adaptability of the device is insufficient. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a base oil preparation microchannel reactor which adjusts the cooling effect of each part in the reaction path through a cooling device cooperating with an adjusting device, and limits and fixes the position of the reactor body through a limiting device, thereby improving the stability and practicality of the device.

[0006] The utility model discloses a base oil preparation microchannel reactor, which comprises a cooling device, a limiting device and an adjusting device, wherein the cooling device is installed on the limiting device, and the adjusting device is installed on the limiting device; the cooling effect of each part in the reaction path is adjusted by the cooling device cooperating with the adjusting device, and the position of the reactor body is limited and fixed by the limiting device, thereby improving the stability and practicality of the device.

[0007] Preferably, the cooling device includes a heat sink, a liquid inlet groove, a liquid outlet groove, a liquid inlet, a liquid outlet and bolts, two groups of heat sinks are respectively located on both sides of the reactor main board and its cover plate, circular holes are opened on the four corners of the heat sink and the reactor main board and are connected by bolts, two groups of liquid inlet grooves and one group of liquid outlet grooves are arranged on the inner side surfaces of the two groups of heat sinks, the two groups of liquid inlet grooves are respectively located on the upper and lower sides of the liquid outlet groove, two groups of liquid inlet grooves and one group of liquid outlet grooves are arranged on the front end surface of the heat sink, the two groups of liquid inlet grooves are respectively located on the upper and lower sides of the liquid outlet, and the two groups of liquid inlet grooves are respectively connected to the reactor main board and the reactor main board. The front parts of the two groups of liquid inlet tanks are connected, and the liquid outlet is connected to the front part of the liquid outlet tank. The width of the liquid outlet tank is larger than that of the liquid inlet tank. The rear parts of the two groups of liquid inlet tanks are connected to the rear part of the liquid outlet tank. The coolant is respectively transported to the two groups of liquid inlet tanks through the two groups of liquid inlet ports, and is collected from the rear parts of the liquid inlet tanks to the liquid outlet tanks and discharged from the liquid outlet connected to the liquid outlet tanks. By arranging the upper and lower groups of liquid inlet tanks, it is convenient to cooperate with the regulating device to control the flow rate of the liquid in the two groups of liquid inlet tanks, thereby adjusting the heat exchange efficiency of the upper and lower parts of the reactor main board, thereby improving the practicality and practicability of the device.

[0008] Preferably, the limiting device includes an operating table, a protective box, a support, a limiting slide rail and a limiting groove. A protective box is installed on the upper end surface of the operating table. A plurality of groups of supports are symmetrically installed on the upper and lower end surfaces of the protective box. Four groups of limiting slide rails are symmetrically installed on the upper end surface of the lower support and the lower end surface of the upper support. A group of limiting grooves are respectively arranged on the upper and lower end surfaces of the heat sink and the reactor main board and its cover plate. The limiting grooves enable the combined reactor main board and the limiting grooves to slide into the interior of the protective box and fix their positions, thereby reducing the influence of the external environment on the reaction process and the equipment, preventing the equipment from being displaced due to its own vibration during operation, and improving the stability of the device. The plurality of groups of limiting devices facilitate the series operation of the plurality of groups of reactor main boards, thereby improving the practicability of the device.

[0009] Preferably, a certain slope is processed on the front of the support and the limiting slide rail; by processing the slope on the front of the support and the limiting slide rail, it is convenient to directly insert the reactor mainboard into the limiting device after being connected to the heat sink, thereby reducing the damage to the surface of the device caused by edge collisions and improving the practicality of the device.

[0010] Preferably, it also includes an electromagnet, and a group of electromagnets are respectively installed on the upper and lower parts of the rear of each group of limit devices on the rear end surface inside the protective box; through the electromagnets at the rear of each group of limit devices, the heat sink inserted into the limit devices is quickly adsorbed and fixed to prevent the equipment from tipping over, which may lead to a decrease in the sealing performance between the cooling device and the reactor mainboard, thereby improving the practicability of the device.

[0011] Preferably, the regulating device includes a liquid inlet main pipeline, a liquid outlet main pipeline, a tee, a flow rate regulating valve and a quick connector. A group of liquid inlet main pipelines and a group of liquid outlet main pipelines are horizontally installed in front of the lower end face of the operating table. The liquid inlet main pipeline and the liquid outlet main pipeline are respectively connected to the input end and the output end of the heat exchanger. Three groups of tees are installed on the front side of each group of limit devices in front of the upper end face of the operating table. The input ends of the two groups of tees on the left of each of the three groups of tees are connected to the liquid inlet main pipeline, and the output end of the remaining group of tees is connected to the liquid outlet main pipeline. Flow rate regulating valves are installed on the input ends of the two groups of tees on the left. The tees are located on the two upper parts of the operating table. A set of quick connectors is installed on each port; the two sets of liquid inlets on the upper part of the cooling device in each set of limiting devices are connected to the two sets of quick connectors on a set of three-way pipes equipped with flow rate regulating valves on the front side thereof through pipes, the two sets of liquid inlets on the lower part are connected to the two sets of quick connectors on another set of three-way pipes equipped with flow rate regulating valves on the front side thereof through pipes, the two sets of liquid outlets are connected to the two sets of quick connectors on the remaining set of three-way pipes through pipes and finally connected to the liquid outlet main pipe, the flow rate regulating valve is used to adjust the rate of heat exchange liquid input into the liquid inlet tank, thereby achieving the effect of adjusting the heat dissipation of the internal partitions of the reactor mainboard, thereby improving the practicability of the device.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the cooling effect of each part in the reaction path is adjusted by the cooling device in cooperation with the regulating device, and the position of the reactor body is limited and fixed by the limiting device, thereby improving the stability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the axonometric structure of the heat sink;

[0016] Figure 4 It is a schematic diagram of the axonometric structure after the heat sink and the reactor mainboard are combined;

[0017] Figure 5 It is a second axonometric structural schematic diagram of the utility model;

[0018] Markings in the attached drawings: 1. Reactor main board; 2. Heat sink; 3. Liquid inlet tank; 4. Liquid outlet tank; 5. Liquid inlet port; 6. Liquid outlet port; 7. Bolts; 8. Operating table; 9. Protective box; 10. Support; 11. Limiting slide rail; 12. Limiting slot; 13. Electromagnet; 14. Liquid inlet main pipeline; 15. Liquid outlet main pipeline; 16. Tee pipe; 17. Flow rate regulating valve; 18. Quick connector. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The cooling device shown can be inserted into the limiting device, and the adjusting device is installed on the limiting device;

[0022] First, two groups of heat sinks 2 are fixed on both sides of the reactor main board 1 and its cover plate, and then the combination of the reactor main board 1 and the heat sink 2 is inserted between the upper and lower groups of supports 10, and the electromagnets 13 at the corresponding positions are turned on to fix them, and then the two groups of liquid inlets 5 on the upper part of the cooling device are connected to the two groups of quick connectors 18 on a group of three-way pipes 16 equipped with a flow rate regulating valve 17 on the front side thereof through pipelines, and the two groups of liquid inlets 5 on the lower part are connected to the two groups of quick connectors 18 on another group of three-way pipes 16 equipped with a flow rate regulating valve 17 on the front side thereof through pipelines, and the two groups of liquid outlets 6 are connected to the two groups of quick connectors 18 on the remaining group of three-way pipes 16 through pipelines, and finally connected to the liquid outlet main pipeline 15, and the heat exchange liquid rate input into the liquid inlet tank 3 can be adjusted by the flow rate regulating valve 17;

[0023] The cooling device comprises a heat sink 2, a liquid inlet trough 3, a liquid outlet trough 4, a liquid inlet port 5, a liquid outlet port 6 and a bolt 7. Two groups of heat sinks 2 are respectively located on both sides of a reactor main board 1 and its cover plate. Circular holes are opened on the four corners of the heat sink 2 and the reactor main board 1 and are connected by bolts 7. Two groups of liquid inlet troughs 3 and one group of liquid outlet troughs 4 are arranged on the inner side surfaces of the two groups of heat sinks 2. The two groups of liquid inlet troughs 3 are respectively located on the upper and lower sides of the liquid outlet trough 4. Two groups of liquid inlet ports 5 and one group of liquid outlet ports 6 are arranged on the front surface of the heat sink 2. The two groups of liquid inlet ports 5 are respectively located on the upper and lower sides of the liquid outlet port 6. The two groups of liquid inlet ports 5 are respectively connected to the front inner portions of the two groups of liquid inlet troughs 3. The liquid outlet port 6 is connected to the front inner portions of the liquid outlet trough 4. The width of the liquid outlet trough 4 is larger than that of the liquid inlet trough 3. The rear portions of the two groups of liquid inlet troughs 3 are connected to the rear portions of the liquid outlet trough 4.

[0024] The limiting device includes an operating table 8, a protective box 9, a support 10, a limiting slide rail 11 and a limiting groove 12. The upper end surface of the operating table 8 is installed with a protective box 9, and multiple groups of supports 10 are symmetrically installed on the upper and lower end surfaces of the protective box 9. Four groups of limiting slide rails 11 are symmetrically installed on the upper end surface of the lower support 10 and the lower end surface of the upper support 10. A group of limiting grooves 12 are respectively arranged on the upper and lower end surfaces of the heat sink 2 and the reactor main board 1 and its cover plate;

[0025] The support 10 and the front of the limiting slide rail 11 are both processed with a certain slope;

[0026] It also includes an electromagnet 13, and a group of electromagnets 13 are respectively installed on the upper and lower parts of each group of limit devices on the rear end surface of the protective box 9;

[0027] The regulating device includes a liquid inlet main pipeline 14, a liquid outlet main pipeline 15, a tee 16, a flow rate regulating valve 17 and a quick connector 18. A group of liquid inlet main pipelines 14 and a group of liquid outlet main pipelines 15 are horizontally installed at the front of the lower end face of the operating table 8. The liquid inlet main pipeline 14 and the liquid outlet main pipeline 15 are respectively connected to the input end and the output end of the heat exchanger. Three groups of tees 16 are installed on the front side of each group of limit devices at the front of the upper end face of the operating table 8. The input ends of the two groups of tees 16 on the left of each of the three groups of tees 16 are connected to the liquid inlet main pipeline 14, and the output end of the remaining group of tees 16 is connected to the liquid outlet main pipeline 15. The flow rate regulating valve 17 is installed on the input ends of the two groups of tees 16 on the left, and a group of quick connectors 18 are installed on the two ports of the tees 16 located on the upper part of the operating table 8.

[0028] The cooling effect of each part in the reaction path is adjusted by the cooling device in cooperation with the regulating device, and the position of the reactor body is limited and fixed by the limiting device, thereby improving the stability and practicality of the device.

[0029] The electromagnet 13 and the flow rate regulating valve 17 of the base oil preparation microchannel reactor of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A microchannel reactor for preparing base oil; characterized in that: The heat exchanger comprises a cooling device, a limiting device and an adjusting device, wherein the cooling device is mounted on the limiting device, and the adjusting device is mounted on the limiting device; the adjusting device comprises a liquid inlet main pipeline (14), a liquid outlet main pipeline (15), a three-way pipe (16), a flow rate regulating valve (17) and a quick connector (18); a group of liquid inlet main pipelines (14) and a group of liquid outlet main pipelines (15) are horizontally mounted on the front of the lower end of the operating table (8); the liquid inlet main pipelines (14) and the liquid outlet main pipelines (15) are respectively connected to the input end and the output end of the heat exchanger. Three groups of three-way pipes (16) are installed on the front side of each group of limit devices at the upper end face of the operating table (8), the input ends of the two left groups of three-way pipes (16) in each of the three groups of three-way pipes (16) are connected to the liquid inlet main pipeline (14), and the output end of the remaining group of three-way pipes (16) is connected to the liquid outlet main pipeline (15), and the input ends of the two left groups of three-way pipes (16) are installed with flow rate regulating valves (17), and the two ports of the three-way pipes (16) located on the upper part of the operating table (8) are installed with a group of quick connectors (18).

2. A microchannel reactor for preparing base oil according to claim 1, characterized in that: The cooling device comprises a heat sink (2), a liquid inlet groove (3), a liquid outlet groove (4), a liquid inlet port (5), a liquid outlet port (6) and a bolt (7). The two groups of heat sinks (2) are respectively located on both sides of a reactor main board (1) and its cover plate. The heat sink (2) and the reactor main board (1) are both provided with circular holes at four corners and are connected by bolts (7). The inner side surfaces of the two groups of heat sinks (2) are both provided with two groups of liquid inlet grooves (3) and one group of liquid outlet grooves (4). The two groups of liquid inlet grooves (3) are respectively located at the reactor main board (1) and the cover plate thereof. Two groups of liquid inlets (5) and one group of liquid outlets (6) are arranged on the front surface of the heat sink (2) at the upper and lower sides of the liquid outlet groove (4). The two groups of liquid inlets (5) are located at the upper and lower sides of the liquid outlet (6), respectively. The two groups of liquid inlets (5) are connected to the front parts of the two groups of liquid inlet grooves (3), respectively. The liquid outlets (6) are connected to the front parts of the liquid outlet groove (4). The width of the liquid outlet groove (4) is larger than that of the liquid inlet groove (3). The rear parts of the two groups of liquid inlet grooves (3) are connected to the rear part of the liquid outlet groove (4).

3. A base oil preparation microchannel reactor as claimed in claim 2, characterized in that: The limiting device comprises an operating table (8), a protective box (9), a support (10), a limiting slide rail (11) and a limiting groove (12); a protective box (9) is installed on the upper end surface of the operating table (8); a plurality of groups of supports (10) are symmetrically installed on the upper and lower end surfaces of the protective box (9); four groups of limiting slide rails (11) are symmetrically installed on the upper end surface of the lower support (10) and the lower end surface of the upper support (10); and a group of limiting grooves (12) are respectively arranged on the upper and lower end surfaces of the heat sink (2) and the reactor main board (1) and its cover plate.

4. A microchannel reactor for preparing base oil as claimed in claim 3, characterized in that: The invention also includes processing a certain slope on the front of the support (10) and the limiting slide rail (11).

5. A microchannel reactor for preparing base oil as claimed in claim 3, characterized in that: It also includes an electromagnet (13), and a group of electromagnets (13) are respectively installed on the upper and lower parts of the rear end surface of each group of limit devices in the protection box (9).

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