Improved device for synthesizing dichloroethane from ethylene, oxygen and hydrogen chloride

Abstract

The utility model discloses an improved device for synthesizing dichloroethane from ethylene, oxygen and hydrogen chloride, which comprises reactors, one ends of two adjacent reactors are connected through a connecting flange, a rotating ring is rotatably connected inside the connecting flange at the upper part, two pressing rods are connected inside the connecting flange at the upper part in a sliding manner, and the two pressing rods are connected with the rotating ring. The upper surfaces of the two pressing rods are attached to the lower surface of the rotating ring, a pressing ring is rotationally connected into the connecting flange, the upper surface of the pressing ring is fixedly connected with the lower ends of the two pressing rods, the side face of the pressing ring is fixedly connected with a second sealing ring, and the lower surface of the pressing ring is fixedly connected with a first sealing ring. And the lower surface of the first sealing ring is attached to the inner wall of the connecting flange on the lower portion, the upper surface of the rotating ring is fixedly connected with two rotating frames, the sealing performance of the connecting position can be further improved conveniently, leakage is prevented, and the situation that workers touch by mistake, consequently, the rotating ring rotates, and the sealing performance is reduced can be effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of synthesis equipment technology, and in particular to an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride. Background Technology

[0002] Dichloroethane is an important organochlorine compound widely used in chemical, materials, and pharmaceutical fields. It can be synthesized from three gases: ethylene, oxygen, and hydrogen chloride, thus requiring a synthesis apparatus.

[0003] Existing synthesis devices, when connected via flanges, cannot further enhance the sealing of the connection, which can easily lead to leakage. The device of this invention can effectively increase the sealing of the flange connection and prevent leakage. Utility Model Content

[0004] The purpose of this invention is to provide an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, which solves the problem that the sealing performance of the connection cannot be further increased, which easily leads to leakage from the connection.

[0005] To achieve the above objectives, an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride is provided, comprising: a reactor; two adjacent reactors connected at one end via a connecting flange; a rotating ring rotatably connected inside the upper connecting flange; two pressure rods slidably connected inside the upper connecting flange; the upper surfaces of the two pressure rods abutting against the lower surface of the rotating ring; a pressure ring rotatably connected inside the connecting flange; the upper surface of the pressure ring fixedly connected to the lower ends of the two pressure rods; a second sealing ring fixedly connected to the side of the pressure ring; and a first sealing ring fixedly connected to the lower surface of the pressure ring. The lower surface of the first sealing ring abuts against the inner wall of the lower connecting flange, thereby further increasing the sealing performance at the connection and preventing leakage.

[0006] Two rotating frames are fixedly connected to the upper surface of the rotating ring. Rotating rods are rotatably connected to the inner walls of the two rotating frames. Fixed bolts are threaded to the sides of the two rotating frames. One end of the fixed bolt passes through the rotating frame and slides inside the rotating rod, which can effectively prevent workers from accidentally touching the rotating ring and causing it to rotate, thus preventing a decrease in the sealing performance.

[0007] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, a gas-conducting layer is formed inside the reactor, and multiple heat-conducting columns are fixedly connected inside the gas-conducting layer to facilitate heating and provide a suitable temperature for the reaction.

[0008] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, a temperature measuring tube is fixedly connected to the side of the reactor, and an insulation layer is fixedly connected to the outside of the reactor to maintain heat and reduce heat loss.

[0009] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, a feed pipe is fixedly connected to the side of the reactor, and a connecting ring is fixedly connected to the outside of the feed pipe for easy connection to the feed pipeline.

[0010] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, a gas supply pipe is fixedly connected to the side of the lower reactor, and an exhaust pipe is fixedly connected to the side of the lower reactor to facilitate the delivery of heat flow.

[0011] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, the rotating ring has a circular cross-section, and the first sealing ring has a circular cross-section, which facilitates adaptation to the connecting flange.

[0012] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, the insulation layer is made of aluminum silicate cotton, which facilitates insulation.

[0013] According to the improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, both the reactor and the temperature measuring tube are made of stainless steel to reduce corrosion.

[0014] The above-mentioned solution has the following beneficial effects:

[0015] 1. When sealing is required, the rotating ring is rotated to press down the pressure rod, which facilitates the downward movement of the pressure ring. The downward movement of the pressure ring compresses and seals the first and second sealing rings, further increasing the sealing performance of the connection and preventing leakage.

[0016] 2. After sealing is completed, the fixing bolts on the side of the rotating frame are removed to release the limiting effect of the fixing bolts on the rotating rod. This can effectively prevent workers from accidentally touching the rotating ring, which would cause the rotating ring to rotate and reduce the sealing performance.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a perspective view of an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to this utility model.

[0020] Figure 2 This is an internal structural diagram of an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to this utility model.

[0021] Figure 3 This invention relates to an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride. Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This invention relates to an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride. Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 This is a perspective view of the rotating frame of an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to this utility model.

[0024] Legend:

[0025] 1. Reactor; 2. Connecting flange; 3. Feed pipe; 4. Gas pipe; 5. Gas guide layer; 6. Insulation layer; 7. First sealing ring; 8. Pressure ring; 9. Second sealing ring; 10. Rotating ring; 11. Fixing bolt; 12. Rotating rod; 13. Rotating frame; 14. Pressure rod; 15. Heat-conducting column; 16. Temperature measuring tube. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] Reference Figure 1-5 This utility model discloses an improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, comprising: a reactor 1 made of stainless steel; two adjacent reactors 1 connected at one end by a connecting flange 2; a rotating ring 10 rotatably connected inside the upper connecting flange 2 for pressing down pressure rods 14; two pressure rods 14 slidably connected inside the upper connecting flange 2 for pressing a pressure ring 8; the upper surfaces of the two pressure rods 14 are in contact with the lower surface of the rotating ring 10; a pressure ring 8 rotatably connected inside the connecting flange 2 for pressing down a first sealing ring 7 and a second sealing ring 9; the upper surface of the pressure ring 8 is fixedly connected to the lower ends of the two pressure rods 14; the second sealing ring 9 is fixedly connected to the side of the pressure ring 8; the first sealing ring 7 is fixedly connected to the lower surface of the pressure ring 8; and the lower surface of the first sealing ring 7 is in contact with the inner wall of the lower connecting flange 2.

[0028] Two rotating frames 13 are fixedly connected to the upper surface of the rotating ring 10. The inner walls of the two rotating frames 13 are rotatably connected to rotating rods 12. The sides of the two rotating frames 13 are threaded with fixing bolts 11 for fixing the rotating rods 12. One end of the fixing bolt 11 passes through the rotating frame 13 and is slidably connected to the inside of the rotating rod 12.

[0029] A gas-guiding layer 5 is opened inside the reactor 1. Multiple heat-conducting columns 15 are fixedly connected inside the gas-guiding layer 5. Hot gas is input through the gas-guiding layer 5 and can be conducted and connected through the heat-conducting columns 15.

[0030] A temperature measuring tube 16 is fixedly connected to the side of the reactor 1 for temperature measurement. An insulation layer 6 is fixedly connected to the outside of the reactor 1 to reduce heat loss.

[0031] A conveying pipe 3 is fixedly connected to the side of the reactor 1. A connecting ring is fixedly connected to the outside of the conveying pipe 3, and a pipe for conveying materials is connected through the conveying pipe 3.

[0032] A gas supply pipe 4 is fixedly connected to the side of the lower reactor 1, and an exhaust pipe is fixedly connected to the side of the lower reactor 1. The gas supply pipe 4 is used to supply hot gas, and the exhaust pipe can discharge the internal hot gas.

[0033] The rotating ring 10 has a circular cross-section, and the first sealing ring 7 has a circular cross-section.

[0034] The insulation layer 6 is made of aluminum silicate cotton for insulation.

[0035] Both reactor 1 and temperature measuring tube 16 are made of stainless steel.

[0036] Working principle: The reactor 1 is connected and installed via the connecting flange 2. First, the rotating rod 12 is fixed with the fixing bolt 11. Then, the rotating rod 12 drives the pressure rod 14 to move down, thereby driving the pressure ring 8 to press against the first sealing ring 7. The second sealing ring 9 seals the side of the pressure ring 8. After connection, the sealing performance of the connection can be effectively increased to prevent leakage. It is connected to the feed pipe 3 through an external pipe. Then, the reaction gas is introduced into the reactor 1. The heat flow is introduced into the gas guide layer 5 through the gas supply pipe 4 by an external gas pump to facilitate internal heating. Then, the fixing bolt 11 limits the rotating rod 12, which can effectively prevent the operator from accidentally touching it and causing the sealing performance of the connection to decrease.

[0037] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride, comprising: The reactor (1) is characterized in that two adjacent reactors (1) are connected at one end by a connecting flange (2), a rotating ring (10) is rotatably connected inside the upper connecting flange (2), two pressure rods (14) are slidably connected inside the upper connecting flange (2), the upper surfaces of the two pressure rods (14) are in contact with the lower surface of the rotating ring (10), a pressure ring (8) is rotatably connected inside the connecting flange (2), the upper surface of the pressure ring (8) is fixedly connected to the lower ends of the two pressure rods (14), a second sealing ring (9) is fixedly connected to the side of the pressure ring (8), a first sealing ring (7) is fixedly connected to the lower surface of the pressure ring (8), and the lower surface of the first sealing ring (7) is in contact with the inner wall of the lower connecting flange (2); Two rotating frames (13) are fixedly connected to the upper surface of the rotating ring (10). The inner walls of the two rotating frames (13) are rotatably connected to rotating rods (12). The sides of the two rotating frames (13) are threaded with fixing bolts (11). One end of the fixing bolt (11) passes through the rotating frame (13) and slides inside the rotating rod (12).

2. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 1, characterized in that, The reactor (1) has an air-guiding layer (5) inside, and multiple heat-conducting columns (15) are fixedly connected inside the air-guiding layer (5).

3. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 1, characterized in that, A temperature measuring tube (16) is fixedly connected to the side of the reactor (1), and an insulation layer (6) is fixedly connected to the outside of the reactor (1).

4. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 1, characterized in that, The reactor (1) is fixedly connected to the side of the feed pipe (3), and the feed pipe (3) is fixedly connected to the outside of the feed pipe (3).

5. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 1, characterized in that, A gas supply pipe (4) is fixedly connected to the side of the lower reactor (1), and an exhaust pipe is fixedly connected to the side of the lower reactor (1).

6. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 1, characterized in that, The rotating ring (10) has a circular cross-section, and the first sealing ring (7) has a circular cross-section.

7. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 3, characterized in that, The insulation layer (6) is made of aluminum silicate cotton.

8. The improved apparatus for synthesizing dichloroethane from ethylene, oxygen, and hydrogen chloride according to claim 3, characterized in that, Both the reactor (1) and the temperature measuring tube (16) are made of stainless steel.

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