Feeding mechanism for preparing Fischer-Tropsch wax

Abstract

The utility model relates to the technical field of Fischer-Tropsch wax preparation, and discloses a Fischer-Tropsch wax preparation feeding mechanism which comprises a mounting sleeve seat, a material tank, a lower clamping cover and an upper clamping cover, a pressure gauge is installed on one side of the material tank through screws, the top of the material tank is connected with a lower clamping cover through a communicating pipe, a gas metering pump is arranged on the communicating pipe, an upper clamping cover is clamped and fixed to the top of the lower clamping cover through butt joint bolts, and limiting grooves are formed in the upper clamping cover and the lower clamping cover correspondingly. A metal filter screen plate is clamped in the limiting groove, an electric heating pipe is installed at the top of the metal filter screen plate through a ceramic fixing buckle, and a temperature controller is installed at one end of the top of the upper clamping cover through a screw. The Fischer-Tropsch wax preparation feeding mechanism is convenient for heating the penetrating hydrocarbon-based synthesis gas and increasing the temperature of the hydrocarbon-based synthesis gas, so that the reaction rate of the material entering the reaction kettle is increased, and the metal filter screen plate is used for conveniently filtering solid particles and improving the purity of the reaction product.

Description

Technical Field

[0001] The utility model relates to the technical field of Fischer-Tropsch wax preparation, in particular to a Fischer-Tropsch wax preparation feeding mechanism. Background Art

[0002] Fischer-Tropsch wax is an alkane polymer synthesized from hydrocarbon-based synthesis gas or natural gas. It is mainly produced through iron-based or cobalt-based synthesis processes in the coal chemical industry. In the reaction production, a Fischer-Tropsch wax preparation feeding mechanism is required to add the mixed gas raw material into the reactor.

[0003] The previous Fischer-Tropsch wax preparation feeding mechanism has the following disadvantages: 1. It cannot heat the hydrocarbon-based synthesis gas passing through to increase its temperature, thereby increasing the reaction rate of the material entering the reactor, and cannot filter out solid particles to improve the purity of the reaction product. Therefore, those skilled in the art provide a Fischer-Tropsch wax preparation feeding mechanism to solve the problems raised in the above background technology. Utility Model Content

[0004] The main purpose of the utility model is to provide a feeding mechanism for preparing Fischer-Tropsch wax to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A Fischer-Tropsch wax preparation feeding mechanism, comprising a mounting sleeve, a material tank, a lower snap-fit ​​cover and an upper snap-fit ​​cover;

[0007] A pressure gauge is installed on one side of the material tank by screws, the top of the material tank is connected to the lower clamping cover by a connecting pipe, a gas metering pump is arranged on the connecting pipe, the top of the lower clamping cover is fixed with the upper clamping cover by docking bolts, limiting grooves are arranged in both the upper and lower clamping covers, a metal filter screen is clamped in the limiting groove, and an electric heating tube is installed on the top of the metal filter screen by a ceramic fixing buckle, a thermostat is installed on one end of the top of the upper clamping cover by screws, a feed pipe is connected to the top axis of the upper clamping cover, and a metal feeding pipe is sleeved on one end of the feed pipe.

[0008] As a further solution of the utility model: the detection end of the temperature controller is located in the upper snap-on cover, the output end of the temperature controller is electrically connected to the input end of the electric heating tube through a wire, and the temperature controller is used to control the electric heating tube to heat the metal filter screen at a constant temperature, thereby heating the hydrocarbon-based synthesis gas passing through and increasing its temperature.

[0009] As a further solution of the utility model: the detection end of the pressure gauge is located inside the material tank.

[0010] As a further solution of the utility model: a feeding pipe is arranged at the top of the material tank and on one side of the connecting pipe, and a feeding valve is arranged on the top of the feeding pipe. The feeding valve is opened to add the hydrocarbon-based synthesis gas into the material tank through the feeding pipe for centralized storage.

[0011] As a further solution of the utility model: a main control valve is arranged on the connecting pipe and located at the lower end of the gas metering pump, and a material delivery valve is arranged on the material delivery pipe.

[0012] As a further solution of the utility model: the bottom end of the material tank is provided with a mounting sleeve and is locked and fixed by mounting bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Open the feeding valve and use the feeding pipe to add hydrocarbon-based synthesis gas into the material tank for centralized storage. Use a pressure gauge to detect the pressure value in the material tank for personnel to know. When it is necessary to prepare Fischer-Tropsch wax, insert the metal feeding pipe at one end of the feed pipe into the feed port of the reactor, open the main control valve and use the gas metering pump to pump the prepared raw materials into the feed pipe, and finally enter the reactor to add the catalyst for reaction, so as to prepare Fischer-Tropsch wax.

[0015] 2. The feed valve is used to control the air intake flow rate to meet different usage requirements. The thermostat is used to control the electric heating tube to heat the metal filter screen at a constant temperature, thereby heating the hydrocarbon-based synthesis gas passing through and increasing its temperature, thereby increasing the reaction rate of the material entering the reactor. The metal filter screen is also used to filter out solid particles and improve the purity of the reaction product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a Fischer-Tropsch wax preparation and feeding mechanism of the utility model.

[0017] Figure 2 The utility model is a schematic diagram of the internal structure of an upper snap-fit ​​cover and a lower snap-fit ​​cover of a Fischer-Tropsch wax preparation feeding mechanism.

[0018] Figure 3 The utility model is a bottom view of a Fischer-Tropsch wax preparation and feeding mechanism.

[0019] In the figure: 1. Mounting bolts; 2. Mounting sleeve; 3. Metal feeding pipe; 4. Feeding pipe; 5. Main control valve; 6. Gas metering pump; 7. Connecting pipe; 8. Lower snap-fit ​​cover; 9. Docking bolts; 10. Upper snap-fit ​​cover; 11. Feeding valve; 12. Temperature controller; 13. Feeding valve; 14. Feeding pipe; 15. Material tank; 16. Pressure gauge; 17. Limiting groove; 18. Metal filter screen; 19. Electric heating tube. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 In the embodiment of the utility model, a Fischer-Tropsch wax preparation feeding mechanism includes a mounting sleeve 2, a material tank 15, a lower snap-fit ​​cover 8 and an upper snap-fit ​​cover 10;

[0022] A pressure gauge 16 is installed on one side of the material tank 15 by screws, and the top of the material tank 15 is connected to the lower clamping cover 8 by a connecting pipe 7, and a gas metering pump 6 is arranged on the connecting pipe 7. The top of the lower clamping cover 8 is clamped and fixed with an upper clamping cover 10 by a docking bolt 9. Limiting grooves 17 are provided in the upper clamping cover 10 and the lower clamping cover 8. A metal filter screen plate 18 is clamped in the limiting groove 17, and an electric heating tube 19 is installed on the top of the metal filter screen plate 18 by a ceramic fixing buckle. A thermostat 12 is installed at one end of the top of the upper clamping cover 10 by screws, and a feed pipe 4 is connected to the top axis of the upper clamping cover 10, and a metal feeding pipe 3 is sleeved on one end of the feed pipe 4.

[0023] Among them, the detection end of the temperature controller 12 is located in the upper snap-fit ​​cover 10, and the output end of the temperature controller 12 is electrically connected to the input end of the electric heating tube 19 through a wire; the temperature controller 12 is used to control the electric heating tube 19 to heat the metal filter plate 18 at a constant temperature, thereby heating the hydrocarbon-based synthesis gas passing through and increasing its temperature.

[0024] The detection end of the pressure gauge 16 is located in the material tank 15 ; the pressure gauge 16 is used to detect the pressure value in the material tank 15 , so that personnel can know the pressure value.

[0025] A feeding pipe 14 is provided at the top of the material tank 15 and on one side of the connecting pipe 7, and a feeding valve 13 is provided at the top of the feeding pipe 14; the feeding valve 13 is opened to feed the hydrocarbon-based synthesis gas into the material tank 15 through the feeding pipe 14 for centralized storage.

[0026] Among them, a main control valve 5 is arranged on the connecting pipe 7 and at the lower end of the gas metering pump 6, and a feeding valve 11 is arranged on the feeding pipe 4; the feeding valve 11 is used to control the intake flow rate to meet different usage requirements.

[0027] The bottom end of the material tank 15 is sleeved with a mounting sleeve 2 and is locked and fixed by mounting bolts 1; the mounting bolts 1 are used to facilitate the fixed sleeve of the material tank 15 in the mounting sleeve 2 to provide stable support.

[0028] The working principle of the utility model is: open the feeding valve 13 and use the feeding pipe 14 to add the hydrocarbon-based synthesis gas into the material tank 15 for centralized storage, use the pressure gauge 16 to detect the pressure value in the material tank 15, and facilitate personnel to know, when it is necessary to prepare Fischer-Tropsch wax, insert the metal feeding pipe 3 at one end of the delivery pipe 4 into the inlet of the reactor, open the main control valve 5 and use the gas metering pump 6 to pump the prepared raw materials into the delivery pipe 4, and finally enter the reactor to add the catalyst for reaction, so as to prepare Fischer-Tropsch wax, use the delivery valve 11 to control the air intake flow rate to meet different usage requirements, use the thermostat 12 to control the electric heating tube 19 to heat the metal filter screen 18 at a constant temperature, thereby heating the hydrocarbon-based synthesis gas passing through, increasing its temperature, thereby increasing the reaction rate of the material entering the reactor, and using the metal filter screen 18 to filter out solid particles to improve the purity of the reaction product.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A feeding mechanism for preparing Fischer-Tropsch wax, comprising a mounting sleeve (2), a material tank (15), a lower snap-fit ​​cover (8) and an upper snap-fit ​​cover (10); Features A pressure gauge (16) is installed on one side of the material tank (15) by means of screws, the top of the material tank (15) is connected to a lower snap-fit ​​cover (8) by means of a connecting pipe (7), a gas metering pump (6) is arranged on the connecting pipe (7), an upper snap-fit ​​cover (10) is fixed to the top of the lower snap-fit ​​cover (8) by means of a butt bolt (9), limiting grooves (17) are arranged in both the upper snap-fit ​​cover (10) and the lower snap-fit ​​cover (8), a metal filter screen (18) is clamped in the limiting groove (17), and an electric heating tube (19) is installed on the top of the metal filter screen (18) by means of a ceramic fixing buckle, a temperature controller (12) is installed on one end of the top of the upper snap-fit ​​cover (10) by means of screws, a feed pipe (4) is connected to the top axis of the upper snap-fit ​​cover (10), and a metal feeding pipe (3) is sleeved on one end of the feed pipe (4).

2. A Fischer-Tropsch wax preparation and feeding mechanism according to claim 1, characterized in that: The detection end of the temperature controller (12) is located inside the upper snap-fit ​​cover (10), and the output end of the temperature controller (12) is electrically connected to the input end of the electric heating tube (19) via a wire.

3. A Fischer-Tropsch wax preparation feeding mechanism according to claim 1, characterized in that: The detection end of the pressure gauge (16) is located inside the material tank (15).

4. A Fischer-Tropsch wax preparation and feeding mechanism according to claim 1, characterized in that: A feeding pipe (14) is provided at the top of the material tank (15) and on one side of the connecting pipe (7), and a feeding valve (13) is provided at the top end of the feeding pipe (14).

5. A Fischer-Tropsch wax preparation feeding mechanism according to claim 1, characterized in that: A main control valve (5) is provided on the connecting pipe (7) and located at the lower end of the gas metering pump (6), and a material delivery valve (11) is provided on the material delivery pipe (4).

6. A Fischer-Tropsch wax preparation and feeding mechanism according to claim 1, characterized in that: The bottom end of the material tank (15) is sleeved with a mounting sleeve (2) and is locked and fixed by mounting bolts (1).

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