Air separation cold box pearlife filling device capable of achieving uniform filling

By designing a rotary discharge mechanism and a discharge mechanism, the problem of uneven filling of perlite in the air separation cold box was solved, achieving uniform filling and improved stability of the cold box, thus ensuring the normal operation and efficient production of the unit.

CN223606644UActive Publication Date: 2025-11-28TIANJIN YINGKANG ENG TECH CO LTD
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Patent Information

Application Number
CN202520066796.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-11-28
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The uneven filling of perlite in the existing air separation cold box leads to a decrease in the insulation performance of the cold box and insufficient structural stability, increasing safety hazards.

Method used

A filling device including a rotating discharge mechanism and a discharge mechanism was designed. The rotating hollow tube and telescopic hose are driven by a motor. Combined with a vibrating motor and spring buffer, multi-angle discharge and anti-clogging are achieved to ensure uniform distribution of perlite.

Benefits of technology

This method achieves uniform filling of perlite in the cold box, improves the insulation performance and structural stability of the cold box, reduces the risk of blockage, and enhances filling quality and work efficiency.

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Abstract

The utility model discloses an air separation cold box pearlife filling device capable of uniformly filling, which comprises a filling hopper, the bottom of the filling hopper is fixedly communicated with a fixed pipe, and the bottom of the fixed pipe is provided with a rotary discharging mechanism; the rotary discharging mechanism comprises a fixing box fixed to the outer side of the fixing pipe, a motor is fixedly installed at the top of the fixing box, and the output end of the motor is fixedly connected with a rotating shaft. By arranging the rotary discharging mechanism and the discharging mechanism, the discharging direction can be adjusted in a multi-angle mode in the horizontal direction, pearlife is prevented from being locally accumulated in the cold box, it is ensured that all areas can be evenly filled, and therefore the heat preservation performance and the structural stability of the whole cold box are improved, and the service life of the cold box is prolonged. And an electric telescopic rod in the discharging mechanism can adjust the angle of a rotating pipe, the discharging coverage range is further expanded, accurate filling can be conducted according to different shapes and requirements of the cold box, and the distribution uniformity of pearlife is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air separation cold box device technical field especially relates to a kind of air separation cold box pearlite filling device of even filling. BACKGROUND

[0002] Air separation cold box is usually a large closed box structure, its main role is to provide low-temperature environment for air separation process. In the air separation cold box, through a series of heat exchange, rectification and other process, oxygen, nitrogen, argon and other gases in air are separated out, in the air separation cold box maintenance process, the filling of pearlite is a key link.

[0003] The prior art patent number CN211997855U discloses a device for filling pearlite on air separation cold box, by filling from bottom to top gradually, realizing layering sand filling, since the flow speed of pearlite in such operation is slow, it can fully meet the safety requirements of safety supervision and management department, and ensures safe production. The design of flange cover and connecting pipe angle makes the filling of pearlite on air separation equipment more smooth and successful. However, in actual use, the existing technology discharges material in a single direction along the pipeline, which is inconvenient for multi-angle filling. This can easily lead to uneven accumulation of pearlite in the cold box, and there may be excessive accumulation of pearlite in local areas, while other areas are insufficiently filled, which greatly reduces the heat preservation performance of the cold box. In addition, uneven filling can also affect the structural stability of the cold box, increasing the safety hazard. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem existing in the prior art, and provides a kind of air separation cold box pearlite filling device of even filling.

[0005] The utility model is realized by the following technical solutions:

[0006] A kind of air separation cold box pearlite filling device of even filling, including filling hopper, the fixed pipe is communicated with in the bottom of filling hopper, the rotating discharging mechanism is arranged in the bottom of fixed pipe;The rotating discharging mechanism includes fixed box, the fixed box is fixed in the outer side of fixed pipe, motor is fixedly installed at the top of fixed box, rotating shaft is fixedly connected at the output end of motor, first gear is fixedly connected at the bottom of rotating shaft, second gear is engaged on one side of first gear, rotating hollow pipe is fixedly connected in second gear, rotating joint is fixedly installed between rotating hollow pipe and fixed pipe, telescopic hose is fixedly connected at the bottom of rotating hollow pipe, and discharging mechanism is arranged at one end of telescopic hose.

[0007] Preferably, the discharging mechanism includes a rotating pipe, the rotating pipe is fixed on one side of the telescopic hose, and a motorized telescopic rod is installed between the rotating pipe and the rotating hollow pipe.

[0008] Preferably, one end of the electric telescopic rod is hinged with the rotating pipe, and the other end of the electric telescopic rod is hinged with the rotating hollow pipe.

[0009] Preferably, the rotating pipe is internally provided with a discharging pipe, one end of the discharging pipe is communicated with the telescopic hose, and a vibration motor is fixedly installed outside the discharging pipe.

[0010] Preferably, a fixed cylinder is fixedly connected to the inner wall of the rotating pipe, a spring is fixedly installed on the inner wall of the fixed cylinder, a connecting sliding rod is fixedly connected to the bottom of the spring, and the bottom of the connecting sliding rod is fixedly connected with the discharging pipe.

[0011] Preferably, a groove is formed in the inner wall surface of the rotating pipe, and the vibration motor is matched with the groove.

[0012] Preferably, the telescopic hose penetrates through the rotating hollow pipe and extends into the rotating hollow pipe, and the bottom of the rotating hollow pipe penetrates through the fixed box and extends to the bottom of the fixed box.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] The utility model discloses a rotating discharging mechanism and discharging mechanism are set up, and the discharging direction can be adjusted in the horizontal direction at multi -angle, avoid the pearlescent sand in the local accumulation in the cold box, ensure that each area can get the even packing, thereby improve the heat preservation performance and structural stability of the cold box whole, and the electric telescopic rod in the discharging mechanism can adjust the angle of rotating pipe, further expand the discharging coverage, can according to the accurate packing of the different shape and demand of cold box, guarantee the uniformity of pearlescent sand distribution, the electric telescopic rod in the discharging mechanism can adjust the angle of rotating pipe, further expand the discharging coverage, can according to the accurate packing of the different shape and demand of cold box, guarantee the uniformity of pearlescent sand distribution,

[0015] In addition, through the setting of the discharging mechanism, the smooth flow of the pearlescent sand in the discharging pipe is realized by the setting of the vibration motor, the uniform discharge is promoted while the blockage is prevented, the packing quality is greatly improved, the use of the rotary joint guarantees the connection sealing performance of the rotating hollow pipe and the fixed pipe in the rotating process, the pearlescent sand leakage is prevented, the normal operation of the device is ensured, the reliability is improved, the connecting sliding rod is connected with the fixed cylinder through the spring, the vibration generated by the vibration motor is buffered, the impact on the whole device is reduced, the stability of the device is enhanced, the service life is prolonged, the auxiliary role of the vibration motor makes the pearlescent sand flow more smoothly, the downtime caused by the blockage is reduced, and the work efficiency is further improved. ACCURACY

[0016] Figure 1 It is the whole structure schematic diagram of the utility model.

[0017] Figure 2 It is the rear view structure schematic diagram of the utility model.

[0018] Figure 3 It is the front view of the partial sectional structure schematic view of the utility model.

[0019] Figure 4 It is the inside structure schematic view of the rotating pipe of the utility model.

[0020] Figure 5 It is the bottom view structure schematic view of the utility model.

[0021] The figure mark is: 1, filling hopper;2, fixed pipe;3, fixed box;4, motor;5, recess;6, rotating shaft;7, first gear;8, second gear;9, rotating hollow pipe;10, rotating joint;11, telescopic hose;12, rotating pipe;13, electric telescopic rod;14, discharge pipe;15, vibration motor;16, fixed cylinder;17, spring;18, connecting slide bar. DETAILED DESCRIPTION

[0022] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model is further explained in detail below in combination with the drawings and the best embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, it also needs to be explained that, in the description of the application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected;It can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0025] As shown in the accompanying Figures 1-5The illustrated even-filling air separation cold box pearlite filling device comprises a filling hopper 1, a fixed pipe 2 is fixedly communicated at the bottom of the filling hopper 1, and a rotary discharging mechanism is arranged at the bottom of the fixed pipe 2; the rotary discharging mechanism comprises a fixed box 3 fixed outside the fixed pipe 2, a motor 4 is fixedly installed at the top of the fixed box 3, a rotary shaft 6 is fixedly connected to the output end of the motor 4, a first gear 7 is fixedly connected to the bottom of the rotary shaft 6, a second gear 8 is engaged on one side of the first gear 7, a rotary hollow pipe 9 is fixedly connected inside the second gear 8, a rotary joint 10 is fixedly installed between the rotary hollow pipe 9 and the fixed pipe 2, an extension hose 11 is fixedly connected to the bottom of the rotary hollow pipe 9, and a discharging mechanism is arranged at one end of the extension hose 11.

[0026] As shown in the accompanying drawings, Figures 1-5 The discharging mechanism comprises a rotating pipe 12 fixed on one side of the extension hose 11, an electric telescopic rod 13 is installed between the rotating pipe 12 and the rotary hollow pipe 9, the electric telescopic rod 13 is hingedly connected between one end and the rotating pipe 12, and the other end of the electric telescopic rod 13 is hingedly connected to the rotary hollow pipe 9, so as to facilitate the adjustment of the discharging position of the rotating pipe 12 and avoid the accumulation of pearlite after being discharged.

[0027] As shown in the accompanying drawings, Figures 1-5 The rotating pipe 12 is internally provided with a discharging pipe 14, one end of the discharging pipe 14 is communicated with the extension hose 11, a vibration motor 15 is fixedly installed outside the discharging pipe 14, a fixed cylinder 16 is fixedly connected to the inner wall of the rotating pipe 12, a spring 17 is fixedly installed on the inner wall of the fixed cylinder 16, the bottom of the spring 17 is fixedly connected to a connecting sliding rod 18, the bottom of the connecting sliding rod 18 is fixedly connected to the discharging pipe 14, a groove 5 is formed in the inner wall surface of the rotating pipe 12, the vibration motor 15 is matched with the groove 5, so as to facilitate the vibration of the discharging pipe 14 driven by the vibration motor 15, and prevent the pearlite from being blocked.

[0028] As shown in the accompanying drawings, Figures 1-4 The top of the extension hose 11 penetrates through the rotary hollow pipe 9 and extends into the rotary hollow pipe 9, the bottom of the rotary hollow pipe 9 penetrates through the fixed box 3 and extends to the bottom of the fixed box 3, so as to facilitate the pearlite to be discharged into the air separation cold box.

[0029] The utility model discloses a kind of air separation cold box pearlite filling devices that can be filled uniformly provided by the utility model, in use process, first, pearlite is poured into filling hopper 1, pearlite enters fixed tube 2 by filling hopper 1, motor 4 starts, rotates rotary shaft 6, first gear 7 at the bottom of rotary shaft 6 rotates along with it, first gear 7 engages second gear 8, so that the rotation hollow tube 9 inside second gear 8 starts to rotate, rotation hollow tube 9 is connected with fixed tube 2 by rotary joint 10, it is guaranteed that the connection sealing property with fixed tube 2 in rotation process, relative rotation is simultaneously realized, flexible hose 11 connected at the bottom of rotation hollow tube 9 transports pearlite to discharge mechanism, rotating pipe 12 can be angle adjusted under the action of electric telescopic rod 13, discharge pipe 14 is communicated with rotation hollow tube 9 by flexible hose 11, pearlite is discharged, vibration motor 15 drives discharge pipe 14 to vibrate, prevent pearlite from being blocked in discharge pipe 14, simultaneously, it is helpful to the uniform discharge of pearlite, connecting slide bar 18 is connected with fixed cylinder 16 by spring 17, it is buffered to some extent that vibration motor 15 generates vibration, avoid to cause excessive impact to whole device, simultaneously, it is also helpful to keep the stability of discharge pipe 14, further guarantee the uniform filling of pearlite.

[0030] The above is only preferred embodiment of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the principle of the utility model, can make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model.

Claims

1. A perlite filling device for an air separation cold box, comprising a filling hopper (1), characterized in that: The bottom of the filling hopper (1) is fixedly connected to a fixed pipe (2), and a rotating discharge mechanism is provided at the bottom of the fixed pipe (2). The rotating discharge mechanism includes a fixed box (3), which is fixed on the outside of the fixed tube (2). A motor (4) is fixedly installed on the top of the fixed box (3). A rotating shaft (6) is fixedly connected to the output end of the motor (4). A first gear (7) is fixedly connected to the bottom of the rotating shaft (6). A second gear (8) meshes with one side of the first gear (7). A rotating hollow tube (9) is fixedly connected inside the second gear (8). A rotating joint (10) is fixedly installed between the rotating hollow tube (9) and the fixed tube (2). A telescopic hose (11) is fixedly connected to the bottom of the rotating hollow tube (9). A discharge mechanism is provided at one end of the telescopic hose (11).

2. The perlite filling device for an air separation cold box according to claim 1, characterized in that: The discharge mechanism includes a rotating tube (12), which is fixed to one side of the telescopic hose (11), and an electric telescopic rod (13) is installed between the rotating tube (12) and the rotating hollow tube (9).

3. The perlite filling device for an air separation cold box according to claim 2, characterized in that: One end of the electric telescopic rod (13) is hinged to the rotating tube (12), and the other end of the electric telescopic rod (13) is hinged to the rotating hollow tube (9).

4. The perlite filling device for an air separation cold box according to claim 3, characterized in that: The rotating tube (12) is provided with a discharge pipe (14), one end of which is connected to the telescopic hose (11), and a vibration motor (15) is fixedly installed on the outside of the discharge pipe (14).

5. The perlite filling device for an air separation cold box according to claim 2, characterized in that: A fixed cylinder (16) is fixedly connected to the inner wall of the rotating tube (12). A spring (17) is fixedly installed on the inner wall of the fixed cylinder (16). A connecting slide rod (18) is fixedly connected to the bottom of the spring (17). The bottom of the connecting slide rod (18) is fixedly connected to the discharge tube (14).

6. The perlite filling device for an air separation cold box according to claim 4, characterized in that: The inner wall surface of the rotating tube (12) is provided with a groove (5), and the vibration motor (15) is matched with the groove (5).

7. The perlite filling device for an air separation cold box according to claim 1, characterized in that: The top of the telescopic hose (11) passes through the rotating hollow tube (9) and extends into the interior of the rotating hollow tube (9), while the bottom of the rotating hollow tube (9) passes through the fixing box (3) and extends into the bottom of the fixing box (3).

Citation Information

Patent Citations

  • Device for filling pearlife on air separation cold box

    CN211997855U