A charging device

Abstract

The utility model relates to a kind of feeding devices, comprising: screw conveyor and air curtain component;The screw conveyor is set to the side of reaction kettle, and the discharge outlet of the screw conveyor is connected with the feed inlet of the reaction kettle by air curtain component, the air curtain component is communicated with the discharge outlet and the feed inlet of the reaction kettle. The utility model is by being provided with reaction kettle, screw conveyor and air curtain component etc. component, by the cooperation between the above three components, so that solid raw materials conveyed by screw conveyor pass discharge outlet, air curtain component and reaction kettle feed inlet in turn, then enter the inside of reaction kettle, and then material can realize the effect of automatic feeding, by the setting of air curtain component, the effect that transverse air curtain is generated in the inside of air curtain plate is realized, so that material is conveyed to the inside of reaction kettle, air curtain plugging harmful gas, avoid harmful gas leak in the process of feeding.

Description

Technical Field

[0001] This utility model relates to the field of reaction vessel feeding technology, specifically to a feeding device. Background Technology

[0002] In chemical production processes, hydrogen fluoride reactors are crucial equipment for reactions involving hydrogen fluoride or fluorine-containing compounds, making their operational safety paramount. Traditional manual feeding methods have significant drawbacks. Hydrogen fluoride is highly corrosive, volatile, and toxic; even with specialized protective clothing, operators inevitably face the risk of close contact with hazardous substances, posing a substantial safety hazard.

[0003] Currently, although some automatic feeding devices have appeared on the market, most of them are not specifically designed to address the leakage problem of dangerous gases such as HF. During the feeding process, harmful gases in the reactor can easily escape from the feeding port, which not only pollutes the working environment but may also cause safety accidents. Therefore, it is urgent to design a feeding device that can achieve automatic feeding and effectively prevent the leakage of harmful gases, so as to solve the safety hazards of manual feeding of hydrogen fluoride reactors in the existing technology. Utility Model Content

[0004] Based on the above description, this utility model provides a feeding device to solve the problem of harmful gas leakage when the hydrogen fluoride reactor is manually fed.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: a feeding device, comprising: a screw conveyor and an air curtain assembly;

[0006] The screw conveyor is located on one side of the reactor, and the discharge port of the screw conveyor is connected to the feed port of the reactor through an air curtain assembly. The air curtain assembly is connected to both the discharge port and the feed port of the reactor.

[0007] Based on the above technical solution, the present invention can be further improved as follows.

[0008] Furthermore, the air curtain assembly includes two air curtain plates, a supporting vertical pipe is provided between the two air curtain plates, and a connecting pipe is provided on the opposite side of the two air curtain plates. The upper and lower connecting pipes are respectively connected to the discharge port of the screw conveyor and the feed port of the reactor.

[0009] Furthermore, the air curtain panel includes a panel body, and the upper surface of the panel body is provided with a connecting hole, which is connected to both the connecting pipe and the supporting vertical pipe.

[0010] Furthermore, the plate body has an air inlet chamber and an air outlet chamber located on both sides of the connecting hole. The inner wall of the connecting hole has a connecting cavity, the width of which is greater than the diameter of the connecting hole, and both ends of which are connected to the air inlet chamber and the air outlet chamber respectively.

[0011] Furthermore, vertical holes are provided on opposite sides of the upper and lower plates, and the vertical holes are connected to the air outlet chamber.

[0012] Furthermore, a gas cylinder is provided between the two plates. The gas cylinder includes a cylinder body, and both the upper and lower ends of the cylinder body are provided with connecting vertical pipes. The connecting vertical pipes are interconnected with the cylinder body and extend into the interior of the vertical hole.

[0013] Furthermore, an annular groove is provided on the circumferential surface of the connecting vertical pipe, and a sealing ring is provided inside the annular groove, with the outer ring of the sealing ring tightly fitting against the inner wall of the vertical hole.

[0014] Furthermore, an air intake pipe is provided on the side of the tank, and a centrifugal fan is provided at the other end of the air intake pipe. The air intake pipe is connected to the air inlet of the centrifugal fan, and a ventilation pipe is provided at the air outlet of the centrifugal fan. The ventilation pipe is connected to both air inlet chambers.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0016] 1. This utility model sets up components such as a reaction vessel, a screw conveyor, and an air curtain assembly. Through the cooperation between the above three components, the solid raw materials conveyed by the screw conveyor pass through the discharge port, the air curtain assembly, and the reaction vessel inlet in sequence and enter the interior of the reaction vessel, thereby enabling the material to achieve the effect of automatic feeding.

[0017] 2. By setting up the air curtain assembly, a horizontal air curtain effect is achieved inside the air curtain plate. When the material is transported into the reactor, the air curtain blocks the harmful gases, preventing leakage of harmful gases during the feeding process. Furthermore, by setting up two air curtain plates, a double-layer air curtain is formed inside the air curtain assembly, further increasing the sealing effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a feeding device provided in an embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the air curtain assembly in an embodiment of the present utility model;

[0020] Figure 3 for Figure 2Another structural diagram from a different perspective;

[0021] Figure 4 for Figure 2 Another structural diagram from another perspective;

[0022] Figure 5 for Figure 4 Another structural diagram from a different perspective;

[0023] Figure 6 for Figure 2 Another structural diagram from a different perspective;

[0024] Figure 7 for Figure 6 Another structural diagram from a different perspective;

[0025] Figure 8 This is a schematic diagram of the gas tank in an embodiment of the present invention;

[0026] Figure 9 for Figure 8 A magnified view of a portion of region A in the middle;

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Reactor; 2. Screw conveyor; 3. Connecting pipe; 4. Air curtain plate; 41. Plate body; 42. Connecting hole; 43. Inlet chamber; 44. Outlet chamber; 45. Connecting cavity; 46. Vertical hole; 5. Gas tank; 51. Tank body; 52. Connecting vertical pipe; 53. Annular groove; 54. Sealing ring; 6. Centrifugal fan; 7. Suction pipe; 8. Ventilation pipe; 9. Supporting vertical pipe. Detailed Implementation

[0029] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0031] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0032] Please see Figure 1 A feeding device includes: a screw conveyor 2 and an air curtain assembly;

[0033] The screw conveyor 2 is located on one side of the reactor 1, and the discharge port of the screw conveyor 2 is connected to the feed port of the reactor 1 through an air curtain assembly. The air curtain assembly is connected to the discharge port and the feed port of the reactor 1.

[0034] Based on the above, the screw conveyor 2 effectively transports solid raw materials, allowing them to be conveyed from the inlet of the reactor 1 to the interior of the reactor 1. During this process, the air curtain assembly can create an air curtain between the inlet of the reactor 1 and the outlet of the screw conveyor 2 to block the flow.

[0035] like Figures 2-5 As shown, the air curtain assembly includes two air curtain plates 4, a supporting vertical pipe 9 is provided between the two air curtain plates 4, and a connecting pipe 3 is provided on the opposite side of the two air curtain plates 4. The upper and lower connecting pipes 3 are respectively connected to the discharge port of the screw conveyor 2 and the inlet of the reactor 1.

[0036] Based on the above, the air curtain plate 4, the connecting pipe 3, and the supporting vertical pipe 9 cooperate with each other to achieve a connection, so that the discharge port of the screw conveyor 2 and the feed port of the reactor 1 are connected to each other, so that the material remains inside the air curtain assembly when passing through the air curtain.

[0037] like Figures 4-7 As shown, the air curtain plate 4 includes a plate body 41. The upper surface of the plate body 41 is provided with a connecting hole 42. The connecting hole 42 is connected to both the connecting pipe 3 and the supporting vertical pipe 9. The interior of the plate body 41 is provided with an air inlet chamber 43 and an air outlet chamber 44 located on both sides of the connecting hole 42. The inner sidewall of the connecting hole 42 is provided with a connecting cavity 45. The groove width of the connecting cavity 45 is larger than the diameter of the connecting hole 42, and its two ends are connected to the air inlet chamber 43 and the air outlet chamber 44 respectively.

[0038] Vertical holes 46 are provided on opposite sides of the upper and lower plates 41, and the vertical holes 46 are connected to the air outlet chamber 44.

[0039] Based on the above, the connecting hole 42 serves to connect the supporting vertical pipe 9 and the connecting pipe 3, allowing solid raw materials to pass through the connecting hole 42 and enter the interior of the supporting vertical pipe 9. Furthermore, the arrangement of the air inlet chamber 43, the connecting chamber 45, and the air outlet chamber 44 ensures that after the airflow enters the interior of the air inlet chamber 43, it flows along the direction of the connecting chamber 45, forming an air curtain inside the connecting chamber 45, which blocks the connecting hole 42.

[0040] like Figure 8 and Figure 9 As shown, a gas tank 5 is disposed between the two plates 41. The gas tank 5 includes a tank body 51. Both the upper and lower ends of the tank body 51 are provided with a connecting vertical pipe 52. The connecting vertical pipe 52 is connected to the tank body 51 and extends into the interior of the vertical hole 46. An annular groove 53 is provided on the circumferential surface of the connecting vertical pipe 52. A sealing ring 54 is provided inside the annular groove 53. The outer ring of the sealing ring 54 is tightly fitted to the inner wall of the vertical hole 46.

[0041] The side of the tank 51 is provided with an air intake pipe 7, and the other end of the air intake pipe 7 is provided with a centrifugal fan 6. The centrifugal fan of model T4-72 is preferred. The air intake pipe 7 is connected to the air inlet of the centrifugal fan 6. The air outlet of the centrifugal fan 6 is provided with a ventilation pipe 8, which is connected to both air inlet chambers 43.

[0042] Based on the above, after the gas tank 5 is inserted into the vertical hole 46, it is sealed by the sealing ring 54. At the same time, the centrifugal fan 6 is powered on to introduce the gas in the gas tank 5 into the air inlet chamber 43 and form an air curtain inside the connecting chamber 45. The other end of the air curtain enters the air outlet chamber 44 and flows back to the gas tank 5 from the vertical hole 46 and the connecting vertical pipe 52, thus realizing the function of airflow circulation.

[0043] Device assembly

[0044] First, install the screw conveyor 2 on one side of the reactor 1, ensuring that the discharge port of the screw conveyor 2 and the feed port of the reactor 1 are on the same horizontal line, so as to facilitate the connection of the air curtain assembly.

[0045] Install the air curtain assembly: Connect the two air curtain panels 4 together through the support vertical pipes 9 to form an integral structure;

[0046] Then, the upper and lower connecting pipes 3 are installed on opposite sides of the two air curtain plates 4. The lower connecting pipe 3 is connected to the discharge port of the screw conveyor 2 through a flange, and the upper connecting pipe 3 is connected to the feed port of the reactor 1 through a flange, ensuring a tight connection and no leakage.

[0047] Install gas canister 5: Place gas canister 5 between two air curtain panels 4, so that the connecting vertical pipes 52 at the upper and lower ends of gas canister 5 are respectively inserted into the vertical holes 46 on the opposite side of the two air curtain panels 4;

[0048] A sealing ring 54 is installed in the annular groove 53 of the connecting vertical pipe 52 to ensure that the outer ring of the sealing ring 54 fits tightly against the inner wall of the vertical hole 46, so as to achieve a seal between the gas tank 5 and the air curtain plate 4.

[0049] Connect centrifugal fan 6: Connect one end of suction pipe 7 to the side of air tank 5, and the other end to the air inlet of centrifugal fan 6;

[0050] One end of the ventilation pipe 8 is connected to the outlet of the centrifugal fan 6, and the other end is connected to the air inlet chamber 43 of the two air curtain plates 4 respectively, to ensure that the airflow can smoothly enter the air inlet chamber 43.

[0051] Work process

[0052] Solid raw material conveying: Start the screw conveyor 2, the screw blades rotate, and the solid raw material is conveyed from the feed port of the screw conveyor 2 to the discharge port. The solid raw material enters the connecting hole 42 of the air curtain plate 4 through the connecting pipe 3 below, and then passes through the supporting vertical pipe 9 and the connecting pipe 3 above, and finally enters the interior of the reactor 1.

[0053] Air curtain formation: Centrifugal fan 6 is started at the same time. Centrifugal fan 6 draws gas from gas tank 5 through suction pipe 7. After the gas is pressurized in centrifugal fan 6, it is sent into the air inlet chamber 43 of the two air curtain plates 4 through ventilation pipe 8 respectively.

[0054] The gas flows in the intake chamber 43 and then enters the inner side of the connecting hole 42 through the connecting chamber 45. Since the width of the connecting chamber 45 is greater than the diameter of the connecting hole 42, the gas forms a transverse air curtain inside the connecting hole 42, which blocks the connecting hole 42.

[0055] Airflow circulation: After passing through the inside of the connecting hole 42, the airflow from the air curtain enters the air outlet chamber 44, and then flows back to the inside of the air tank 5 through the vertical hole 46 and the connecting vertical pipe 52, thus completing the airflow circulation.

[0056] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A feeding device, characterized in that, include: Screw conveyor (2) and air curtain assembly; The screw conveyor (2) is located on one side of the reactor (1), and the outlet of the screw conveyor (2) is connected to the inlet of the reactor (1) through an air curtain assembly. The air curtain assembly is connected to the outlet and the inlet of the reactor (1).

2. The feeding device according to claim 1, characterized in that, The air curtain assembly includes two air curtain plates (4), a supporting vertical pipe (9) is provided between the two air curtain plates (4), and a connecting pipe (3) is provided on the opposite side of the two air curtain plates (4). The upper and lower connecting pipes (3) are respectively connected to the discharge port of the screw conveyor (2) and the inlet of the reactor (1).

3. The feeding device according to claim 2, characterized in that, The air curtain plate (4) includes a plate body (41), and the upper surface of the plate body (41) is provided with a connecting hole (42), which is connected to the connecting pipe (3) and the supporting vertical pipe (9).

4. The feeding device according to claim 3, characterized in that, The plate (41) has an air inlet chamber (43) and an air outlet chamber (44) located on both sides of the connecting hole (42). The inner wall of the connecting hole (42) has a connecting cavity (45). The groove width of the connecting cavity (45) is greater than the diameter of the connecting hole (42), and its two ends are connected to the air inlet chamber (43) and the air outlet chamber (44) respectively.

5. The feeding device according to claim 4, characterized in that, Vertical holes (46) are provided on opposite sides of the upper and lower plates (41), and the vertical holes (46) are connected to the air outlet (44).

6. The feeding device according to claim 5, characterized in that, A gas tank (5) is provided between the two plates (41). The gas tank (5) includes a tank body (51). Both the upper and lower ends of the tank body (51) are provided with connecting vertical pipes (52). The connecting vertical pipes (52) are connected to the tank body (51) and extend into the interior of the vertical hole (46).

7. The feeding device according to claim 6, characterized in that, The circumferential surface of the connecting vertical pipe (52) is provided with an annular groove (53), and a sealing ring (54) is provided inside the annular groove (53). The outer ring of the sealing ring (54) is tightly fitted with the inner wall of the vertical hole (46).

8. The feeding device according to claim 6, characterized in that, The tank (51) is provided with an air intake pipe (7) on its side. A centrifugal fan (6) is provided at the other end of the air intake pipe (7). The air intake pipe (7) is connected to the air inlet of the centrifugal fan (6). A ventilation pipe (8) is provided at the air outlet of the centrifugal fan (6). The ventilation pipe (8) is connected to both air inlets (43).

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