Feeding air blocking device of cracking furnace

Abstract

The utility model relates to a cracking furnace feeding air blocking device which comprises a cracking furnace body, the top of the cracking furnace body is fixedly connected with a feeding pipe, the feeding pipe is provided with a blocking assembly, the feeding pipe is provided with a feeding assembly, the blocking assembly comprises a sealing baffle connected with the feeding pipe in a sliding mode, and the sealing baffle is connected with the cracking furnace body in a sliding mode. A vacuum pump is fixedly mounted at the top of the cracking furnace body, a sealing connecting plate is fixedly connected to the left side of a sealing baffle, and a sealing block is fixedly connected to the inner wall of the right side of a feeding pipe. According to the feeding air blocking device of the cracking furnace, by arranging the blocking assembly, when feeding is conducted in the working process of the cracking furnace body, the sealing baffle can block outside air, then the position of the sealing baffle is limited through the clamping rod, air in the feeding pipe is pumped away through the vacuum pump, and the feeding air is blocked; and the situation that external air enters the cracking furnace body in the feeding process is reduced, and normal work of the cracking furnace body is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cracking furnaces, in particular to a cracking furnace feed air blocking device. Background Art

[0002] Currently, combustible gases include natural gas, biogas and coal gas, etc. Natural gas is obtained through oil extraction, biogas is obtained through crop fermentation, and coal gas is obtained through coke ovens. Existing methods for producing combustible gases also include cracking dry plants and chemical catalysts to generate a large amount of liquefiable low-molecular-weight combustible gases. The cracking of dry plants and chemical catalysts requires the use of a cracking furnace.

[0003] For example, announcement number CN217068895U proposes a novel cracking furnace, including a bracket, a cracking furnace body is fixedly installed on the top of the bracket by welding, a burner is connected to the outside of the cracking furnace body, a feed port is opened on the top of the cracking furnace body, and a box is fixedly installed on the top of the cracking furnace body by welding. However, the utility model does not have the function of blocking air during use. During the cracking furnace feeding operation, outside air is easy to enter the cracking furnace. Due to the high temperature in the cracking furnace, the entry of outside air is easy to cause gas explosion, thereby causing a safety accident. Therefore, a cracking furnace feed air blocking device is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a cracking furnace feed air barrier device, which has the advantages of blocking air, etc., and solves the problem that outside air can easily enter the cracking furnace during the cracking furnace feeding process. Due to the high temperature in the cracking furnace, the outside air entering can easily cause gas explosion, thereby causing safety accidents.

[0005] To achieve the above object, the utility model provides the following technical solution: a cracking furnace feed air blocking device, comprising a cracking furnace body, a feed pipe is fixedly connected to the top of the cracking furnace body, a blocking component is arranged on the feed pipe, and a feed component is arranged on the feed pipe;

[0006] The barrier assembly includes a sealing baffle slidably connected to the feed pipe, a vacuum pump is fixedly installed on the top of the cracking furnace body, a sealing connecting plate is fixedly connected to the left side of the sealing baffle, a sealing block is fixedly connected to the right inner wall of the feed pipe, a connecting tube is fixedly connected to the left side of the feed pipe, a movable plate is slidably connected to the inside of the connecting tube, a clamping rod is fixedly connected to the top of the movable plate, a pull rod is fixedly connected to the bottom of the movable plate, and a spring is sleeved on the outer side of the pull rod.

[0007] Furthermore, the feeding assembly includes a motor fixedly mounted on the back of the feeding pipe, the output shaft of the motor is fixedly connected to a feeding roller, the inside of the feeding pipe is rotatably connected to a rotating shaft, the outer side of the rotating shaft is fixedly connected to four shift plates, the rotating shaft and the outer sides of the output shaft of the motor are fixedly connected to synchronous wheels, and a synchronous belt is transmission-connected between the two synchronous wheels.

[0008] Furthermore, a connecting groove matching the size of the sealing baffle is opened on the left side of the sealing block, and one end of the clamping rod passes through and extends to the outside of the connecting tube.

[0009] Furthermore, sliding grooves are provided on the inner walls on both sides of the connecting tube, and sliding blocks slidably connected to the sliding grooves are fixedly connected to the left and right sides of the movable plate.

[0010] Furthermore, a clamping groove matching the size of the clamping rod is provided at the bottom of the sealing connection plate, and one end of the spring is fixedly connected to the bottom of the movable plate.

[0011] Furthermore, the other end of the spring is fixedly connected to the inner bottom wall of the connecting cylinder, and three feeding grooves are provided inside the feeding roller.

[0012] Furthermore, one end of the rotating shaft passes through and extends to the outside of the feeding pipe, and a connecting pipe is fixedly connected between the vacuum pump and the feeding pipe.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The cracking furnace feed air blocking device, by setting a blocking component, can block the outside air by the sealing baffle when feeding during the operation of the cracking furnace body, and then limit the position of the sealing baffle by the clamping rod, and remove the air in the feed pipe by the vacuum pump, thereby reducing the situation that the outside air enters the inside of the cracking furnace body during the feeding process, and ensuring the normal operation of the cracking furnace body.

[0015] 2. The feed air blocking device for the cracking furnace is provided with a feed assembly. When feeding during the operation of the cracking furnace body, the feed roller and the paddle are driven to rotate by starting the motor. The paddle is used to clear the material in the feed pipe to reduce the blockage of the material. The feed roller can achieve the effect of intermittent feeding of the material, which is convenient for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a front view of the structure of the utility model;

[0018] Figure 3 For this utility model Figure 1 A magnified view of the structure at center;

[0019] Figure 4 This is a schematic diagram of the connection structure between the connecting tube and the clamping rod of the utility model.

[0020] In the figure: 1 cracking furnace body, 2 feed pipe, 3 vacuum pump, 4 sealing baffle, 5 rotating shaft, 6 shift plate, 7 feeding roller, 8 sealing block, 9 sealing connecting plate, 10 connecting cylinder, 11 clamping rod, 12 movable plate, 13 pull rod, 14 spring, 15 motor, 16 synchronous wheel, 17 synchronous belt. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 A cracking furnace feed air blocking device in this embodiment includes a cracking furnace body 1, a feed pipe 2 is fixedly connected to the top of the cracking furnace body 1, a blocking component is arranged on the feed pipe 2, and a feed component is arranged on the feed pipe 2;

[0023] The barrier assembly includes a sealing baffle 4 slidably connected to the feed pipe 2, a vacuum pump 3 is fixedly installed on the top of the cracking furnace body 1, a connecting pipe is fixedly connected between the vacuum pump 3 and the feed pipe 2, a feed valve is arranged on the outside of the feed pipe 2, a check valve is arranged on the outside of the connecting pipe arranged between the vacuum pump 3 and the feed pipe 2, a sealing connecting plate 9 is fixedly connected to the left side of the sealing baffle 4, a sealing block 8 is fixedly connected to the right inner wall of the feed pipe 2, a connecting groove matching the size of the sealing baffle 4 is opened on the left side of the sealing block 8, a connecting tube 10 is fixedly connected to the left side of the feed pipe 2, and the inner sliding connection of the connecting tube 10 is provided. A movable plate 12 is connected, and sliding grooves are provided on the inner walls on both sides of the connecting tube 10. Slide blocks slidably connected to the sliding grooves are fixedly connected on the left and right sides of the movable plate 12. A clamping rod 11 is fixedly connected to the top of the movable plate 12, and a clamping groove matching the size of the clamping rod 11 is provided at the bottom of the sealing connecting plate 9. One end of the clamping rod 11 passes through and extends to the outside of the connecting tube 10. A pull rod 13 is fixedly connected to the bottom of the movable plate 12, and a spring 14 is sleeved on the outside of the pull rod 13. The other end of the spring 14 is fixedly connected to the inner bottom wall of the connecting tube 10, and one end of the spring 14 is fixedly connected to the bottom of the movable plate 12.

[0024] It should be noted that by setting up the barrier component, when feeding during the operation of the cracking furnace body 1, the sealing baffle 4 can block the outside air, and then the clamping rod 11 limits the position of the sealing baffle 4, and the air in the feed pipe 2 is extracted by the vacuum pump 3, thereby reducing the situation where the outside air enters the cracking furnace body 1 during the feeding process, thereby ensuring the normal operation of the cracking furnace body 1.

[0025] See also Figure 1-2 The feeding assembly includes a motor 15 fixedly mounted on the back of the feeding pipe 2, the output shaft of the motor 15 is fixedly connected to a feeding roller 7, three feeding troughs are provided inside the feeding roller 7, a rotating shaft 5 is rotatably connected to the inside of the feeding pipe 2, one end of the rotating shaft 5 passes through and extends to the outside of the feeding pipe 2, four dial plates 6 are fixedly connected to the outside of the rotating shaft 5, synchronous wheels 16 are fixedly connected to the outside of the rotating shaft 5 and the output shaft of the motor 15, and a synchronous belt 17 is transmission-connected between the two synchronous wheels 16.

[0026] It should be noted that by setting up the feeding assembly, when feeding during the operation of the cracking furnace body 1, the feeding roller 7 and the paddle 6 can be driven to rotate by starting the motor 15, and the paddle 6 can clear the material in the feed pipe 2 to reduce the material blockage. The feeding roller 7 can achieve the effect of intermittent feeding of the material, which is convenient for users.

[0027] The working principle of the above embodiment is:

[0028] The cracking furnace feed air blocking device is provided. When feeding during the operation of the cracking furnace body 1, the pull rod 13 is pulled to drive the movable plate 12 to slide in the slide groove through the slider, so that the spring 14 is compressed, and the movable plate 12 drives the clamping rod 11 to move, and the clamping rod 11 is disengaged from the clamping groove provided on the sealing connecting plate 9, and the restriction on the sealing connecting plate 9 is cancelled. The sealing baffle 4 is opened by pulling it, so that the material can be poured into the feed pipe 2. Then, the sealing baffle 4 is closed to connect the sealing baffle 4 with the connecting groove provided on the sealing block 8. With the help of the clamping rod 11, the sealing connecting plate 9 is closed. The air in the feed pipe 2 is restricted so that the sealing baffle 4 remains stable. Then the vacuum pump 3 is started to extract the air in the feed pipe 2. Then the feed valve arranged on the outside of the feed pipe 2 is opened and the motor 15 is started. The output shaft of the motor 15 drives the feed roller 7 to rotate. The two synchronous wheels 16 and the synchronous belt 17 cooperate to drive the paddle 6 on the outside of the rotating shaft 5 to rotate. The paddle 6 dredges the material in the feed pipe 2 to reduce the blockage of the material. The material enters the feed groove inside the feed roller 7. The feed roller 7 can achieve the effect of intermittent feeding of the material, which is convenient for the user.

[0029] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cracking furnace feed air blocking device, comprising a cracking furnace body (1), characterized in that: A feed pipe (2) is fixedly connected to the top of the cracking furnace body (1), a barrier component is provided on the feed pipe (2), and a feed component is provided on the feed pipe (2); The barrier assembly comprises a sealing baffle (4) slidably connected to a feed pipe (2); a vacuum pump (3) is fixedly mounted on the top of the cracking furnace body (1); a sealing connecting plate (9) is fixedly connected to the left side of the sealing baffle (4); a sealing block (8) is fixedly connected to the right inner wall of the feed pipe (2); a connecting tube (10) is fixedly connected to the left side of the feed pipe (2); a movable plate (12) is slidably connected inside the connecting tube (10); a clamping rod (11) is fixedly connected to the top of the movable plate (12); a pull rod (13) is fixedly connected to the bottom of the movable plate (12); and a spring (14) is sleeved on the outer side of the pull rod (13).

2. A cracking furnace feed air barrier device according to claim 1, characterized in that: The feeding assembly comprises a motor (15) fixedly mounted on the back of the feeding pipe (2); the output shaft of the motor (15) is fixedly connected to a feeding roller (7); the inside of the feeding pipe (2) is rotatably connected to a rotating shaft (5); the outer side of the rotating shaft (5) is fixedly connected to four paddles (6); the outer sides of the rotating shaft (5) and the output shaft of the motor (15) are both fixedly connected to synchronous wheels (16); and a synchronous belt (17) is transmission-connected between the two synchronous wheels (16).

3. The cracking furnace feed air blocking device according to claim 1, characterized in that: A connecting groove having a size matching that of the sealing baffle (4) is provided on the left side of the sealing block (8), and one end of the clamping rod (11) penetrates through and extends to the outside of the connecting tube (10).

4. A cracking furnace feed air barrier device according to claim 1, characterized in that: The inner walls on the left and right sides of the connecting cylinder (10) are both provided with sliding grooves, and the left and right sides of the movable plate (12) are both fixedly connected with sliding blocks that are slidably connected to the sliding grooves.

5. The cracking furnace feed air blocking device according to claim 1, characterized in that: The bottom of the sealing connection plate (9) is provided with a slot that matches the size of the clamping rod (11), and one end of the spring (14) is fixedly connected to the bottom of the movable plate (12).

6. A cracking furnace feed air blocking device according to claim 2, characterized in that: The other end of the spring (14) is fixedly connected to the inner bottom wall of the connecting cylinder (10), and three feeding grooves are provided inside the feeding roller (7).

7. A cracking furnace feed air blocking device according to claim 2, characterized in that: One end of the rotating shaft (5) passes through and extends to the outside of the feed pipe (2), and a connecting pipe is fixedly connected between the vacuum pump (3) and the feed pipe (2).

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