Tail gas recovery device for producing phosphate compound tributyl phosphate for extracting agent

Abstract

The utility model discloses a tail gas recovery device for producing phosphate compound tributyl phosphate for extracting agent, which comprises a collecting box and an exhaust fan, the exhaust fan is mounted at the top end of the collecting box and is communicated with the collecting box, a filter block is arranged in the collecting box, and the filter block is communicated with the collecting box. The device comprises a collecting box, two sets of flexible corrugated hoses are symmetrically arranged on the side wall of the collecting box, the flexible corrugated hoses extend into the collecting box, gas collecting hoods are installed at the bottom ends of the flexible corrugated hoses, integrated frames are symmetrically installed at the bottom end of the collecting box, and bidirectional lead screws are movably installed in the integrated frames. Servo motors are arranged on the side walls of the integrated frame, and the output ends of the servo motors are connected with the two-way lead screws. According to the utility model, the tail gas is conveniently sucked, filtered and treated by negative pressure, the tail gas at different positions can be conveniently and flexibly adjusted to be sucked, and the use flexibility is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of exhaust gas recovery devices, specifically to an exhaust gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant. Background Technology

[0002] Tributyl phosphate is an important phosphorus-containing organic compound and a crucial metal ion extractant in industry. It is one of the most widely used and longest-established trialkyl phosphate extractants, applied in hydrometallurgy of non-ferrous metals. It boasts advantages such as low water solubility, strong extraction capacity, good metal selectivity, and long service life. However, the production process of tributyl phosphate generates tail gas rich in harmful substances. Therefore, before releasing this waste gas into the air, it is necessary to recover and treat it first. To better recover the tail gas, a tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, is proposed.

[0003] As disclosed in the authorization announcement number CN213481089U, a waste heat recovery device for boiler tail gas in oil refining catalyst production includes a machine base, an exhaust port, a heat-conducting bucket, a main frame, and an air inlet pipe. The main frame is located at the center of the top of the machine base, and the heat-conducting bucket is located at the center of the inside of the main frame. The top of the heat-conducting bucket extends to the outside of the main frame, and the exhaust port is located at the center of the top of the heat-conducting bucket. The bottom of the exhaust port extends to the inside of the heat-conducting bucket. An air inlet pipe is located on one side of the inside of the heat-conducting bucket. One end of the air inlet pipe extends to the outside of the main frame, and the end of the air inlet pipe away from the main frame is provided with a sealing structure. A liquid injection port is provided on the outer wall of the main frame above the air inlet pipe.

[0004] Although it ensures the recovery effect of exhaust heat energy when the waste heat recovery device is in use, reduces the phenomenon of exhaust gas leakage when the waste heat recovery device is in use, it also reduces the pollution to the environment when the waste heat recovery device is in use.

[0005] However, it does not solve the problem that existing exhaust gas recovery devices are not conducive to convenient negative pressure suction and filtration of exhaust gas during use, nor are they conducive to flexible adjustment of exhaust gas suction at different locations, thus affecting the flexibility of use. Utility Model Content

[0006] The purpose of this invention is to provide a tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, in order to solve the problems mentioned in the background art, such as the inconvenience of using negative pressure suction and filtration to treat tail gas, the difficulty in flexibly adjusting the suction of tail gas at different locations, and the impact on the flexibility of use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a tail gas recovery device for the production of tributyl phosphate, an extractant phosphate compound, comprising a collection box and an exhaust fan. The exhaust fan is installed at the top of the collection box and is connected to the collection box. A filter block is installed inside the collection box. Two sets of flexible corrugated hoses are symmetrically arranged on the side wall of the collection box, and the flexible corrugated hoses extend into the interior of the collection box. A gas collection hood is installed at the bottom end of each flexible corrugated hose.

[0008] Preferably, an integrated frame is symmetrically installed at the bottom of the collection box, and a bidirectional lead screw is movably installed inside the integrated frame.

[0009] Preferably, servo motors are provided on the side walls of the integrated frame, and the output end of the servo motors is connected to a bidirectional lead screw.

[0010] Preferably, the surface of the bidirectional lead screw is fitted with two sets of threaded sleeves, and the threaded sleeves are threadedly connected to the bidirectional lead screw.

[0011] Preferably, the threaded sleeve is slidably connected to the integrated frame, and a support arm is installed at the bottom end of each threaded sleeve.

[0012] Preferably, connecting blocks are symmetrically installed on the outer wall of the integrated frame, and the connecting blocks are connected to external ropes to hoist the integrated frame to the use position.

[0013] Preferably, both ends of the support arm are provided with adjusting arms, and the end of each adjusting arm near the support arm is provided with a pin, and the adjusting arm is movably connected to the support arm through the pin.

[0014] Preferably, each of the support arms is symmetrically provided with an electric push rod at its bottom end, and the electric push rod is movably connected to the support arm.

[0015] Preferably, each of the electric push rods has a push arm installed at its output end, and each push arm has a hinge shaft at the end near the adjusting arm, and the push arm is movably connected to the adjusting arm through the hinge shaft.

[0016] Preferably, each of the adjusting arms is provided with a connecting rod on its side wall, and the connecting rod is connected to a flexible corrugated hose.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the exhaust gas recovery device not only realizes convenient negative pressure suction and filtration treatment of exhaust gas, and facilitates flexible adjustment of exhaust gas suction at different locations, but also improves the flexibility of use.

[0018] (1) Use steel wire rope to connect with the connecting block and hoist the integrated frame at the recycling position. Use the exhaust fan to draw air into the collection box to create a negative pressure environment inside the collection box. At this time, the exhaust gas enters the collection box through the gas collection hood and flexible corrugated hose. The filter block filters the exhaust gas. The filtered exhaust gas is discharged into the recycling tank through the exhaust fan, thus completing the exhaust gas recycling operation. The servo motor drives the bidirectional screw to rotate. The bidirectional screw drives the two sets of threaded sleeves to move away from or closer to each other. The threaded sleeves drive the support arm, adjusting arm, connecting rod, flexible corrugated hose and gas collection hood to move away from or closer to each other, thereby adjusting the suction position of the gas collection hood to adjust the suction of exhaust gas at different positions. This realizes convenient negative pressure suction and filtration treatment of exhaust gas, and facilitates bidirectional movement and adjustment to suction exhaust gas at different positions.

[0019] (2) The push arm is moved by the electric push rod, and the push arm drives the adjusting arm to rotate around the pin shaft through the hinge shaft. The support arm provides support for the adjusting arm, and the adjusting arm drives the flexible corrugated hose and the gas collection hood to rotate through the connecting rod, so as to rotate and adjust the suction position of the gas collection hood, further adjust its suction position, and thus improve its flexibility of use. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 3 This is a top view of the structure of this utility model;

[0023] Figure 4 This is a front cross-sectional view of the integrated frame of this utility model.

[0024] Figure 5 This is a side view sectional structural diagram of the present invention.

[0025] In the diagram: 1. Collection box; 2. Exhaust fan; 3. Flexible corrugated hose; 4. Integrated frame; 5. Adjusting arm; 6. Gas collection hood; 7. Support arm; 8. Threaded sleeve; 9. Servo motor; 10. Two-way lead screw; 11. Filter block; 12. Electric push rod; 13. Push arm; 14. Hinge shaft; 15. Pin shaft; 16. Connecting rod; 17. Connecting block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] Example 1

[0030] Please see Figure 1-5This utility model provides an embodiment of a tail gas recovery device for the production of tributyl phosphate, an extractant, comprising a collection box 1 and an exhaust fan 2. The exhaust fan 2 is installed at the top of the collection box 1, serving as a power drive and connected to the collection box 1. A filter block 11 is installed inside the collection box 1. Two sets of flexible corrugated hoses 3 are symmetrically arranged on the side wall of the collection box 1, extending into the interior of the collection box 1. A gas collection hood 6 is installed at the bottom end of each flexible corrugated hose 3. An integrated frame 4 is symmetrically installed at the bottom end of the collection box 1. The integrated frame 4 has a bidirectional lead screw 10 movably installed inside. The side wall of the integrated frame 4 is equipped with a servo motor 9, which serves as the power drive. The output end of the servo motor 9 is connected to the bidirectional lead screw 10. The surface of the bidirectional lead screw 10 is fitted with two sets of threaded sleeves 8, which are threadedly connected to the bidirectional lead screw 10 and slidably connected to the integrated frame 4. The bottom end of the threaded sleeve 8 is equipped with a support arm 7. The outer wall of the integrated frame 4 is symmetrically equipped with connecting blocks 17, which are connected to external ropes to hoist the integrated frame 4 to the use position.

[0031] When it is necessary to extract and recover the exhaust gas generated during the production of tributyl phosphate, a steel wire rope is used to connect to the connecting block 17, and the integrated frame 4 is hoisted to the recovery position using the steel wire rope. The exhaust fan 2 is turned on, and the exhaust fan 2 draws air into the collection box 1 to create a negative pressure environment inside the collection box 1. At this time, the exhaust gas enters the collection box 1 through the gas collection hood 6 and the flexible corrugated hose 3. The exhaust gas is filtered by the filter block 11. The filtered exhaust gas is discharged into the recovery tank through the exhaust fan 2, thus completing the exhaust gas recovery operation. At the same time, the servo motor can be turned on. Machine 9, driven by servo motor 9 to rotate bidirectional lead screw 10, with threaded sleeve 8 and bidirectional lead screw 10 connected by thread, and with sliding engagement between threaded sleeve 8 and integrated frame 4, bidirectional lead screw 10 drives two sets of threaded sleeves 8 to move away from or towards each other, and threaded sleeve 8 drives support arm 7, adjusting arm 5, connecting rod 16, flexible corrugated hose 3 and gas collection hood 6 to move away from or towards each other, thereby adjusting the suction position of gas collection hood 6 to adjust the suction of exhaust gas at different positions, realizing convenient negative pressure suction and filtration treatment of exhaust gas, and facilitating bidirectional movement adjustment to suction exhaust gas at different positions;

[0032] Both ends of the support arm 7 are provided with adjusting arms 5. The end of the adjusting arm 5 near the support arm 7 is provided with a pin 15, and the adjusting arm 5 is movably connected to the support arm 7 through the pin 15. The bottom end of the support arm 7 is symmetrically provided with electric push rods 12, which serve as power drives and are movably connected to the support arm 7.

[0033] Each of the output ends of the electric push rod 12 is equipped with a push arm 13. Each push arm 13 is provided with a hinge shaft 14 at the end near the adjusting arm 5. The push arm 13 is movably connected to the adjusting arm 5 through the hinge shaft 14. Each of the side walls of the adjusting arm 5 is provided with a connecting rod 16, and the connecting rod 16 is connected to the flexible corrugated hose 3.

[0034] Open the electric push rod 12, which drives the push arm 13 to move. The push arm 13 drives the adjusting arm 5 to rotate around the pin 15 via the hinge shaft 14. The support arm 7 provides support for the adjusting arm 5. The adjusting arm 5 drives the flexible corrugated hose 3 and the gas collection hood 6 to rotate via the connecting rod 16, thereby adjusting the suction position of the gas collection hood 6 and further adjusting its suction position, thus improving its flexibility of use.

[0035] Work steps

[0036] When it is necessary to extract and recover the tail gas generated during the production of tributyl phosphate, a steel wire rope is used to connect to the connecting block 17, and the integrated frame 4 is hoisted to the recovery position using the steel wire rope. The exhaust fan 2 draws air into the collection box 1, creating a negative pressure environment inside the collection box 1. At this time, the tail gas passes through the gas collection hood 6 and the flexible corrugated hose 3 into the collection box 1, where it is filtered by the filter block 11. The filtered tail gas is then discharged into the recovery tank by the exhaust fan 2, thus completing the tail gas recovery operation. The servo motor 9 drives the bidirectional lead screw 10 to rotate. Under the sliding cooperation between the threaded sleeve 8 and the integrated frame 4, the bidirectional lead screw 10 drives the two sets of threaded sleeves 8 to move away from or towards each other. The threaded sleeve 8 drives the support arm 7, adjusting arm 5, connecting rod 16, flexible corrugated hose 3, and gas collection hood 6 to move away from or closer to each other, thereby adjusting the suction position of the gas collection hood 6 to adjust the suction of waste gas at different locations. The electric push rod 12 drives the push arm 13 to move, and the push arm 13 drives the adjusting arm 5 to rotate around the pin 15 via the hinge shaft 14. The support arm 7 provides support for the adjusting arm 5, and the adjusting arm 5 drives the flexible corrugated hose 3 and gas collection hood 6 to rotate via the connecting rod 16, thereby adjusting the suction position of the gas collection hood 6 to further adjust its suction position and improve its flexibility of use. The above is the complete usage of the tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant.

[0037] 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 and improvements 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 tail gas recovery device for the production of tributyl phosphate, an extractant, comprising a collection box (1) and an exhaust fan (2), characterized in that: The top of the collection box (1) is equipped with an exhaust fan (2), and the exhaust fan (2) is connected to the collection box (1). The inside of the collection box (1) is equipped with a filter block (11). Two sets of flexible corrugated hoses (3) are symmetrically arranged on the side wall of the collection box (1), and the flexible corrugated hoses (3) extend into the inside of the collection box (1). The bottom end of each flexible corrugated hose (3) is equipped with a gas collection hood (6).

2. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 1, is characterized in that: The bottom of the collection box (1) is symmetrically equipped with an integrated frame (4), and a bidirectional lead screw (10) is movably installed inside the integrated frame (4).

3. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 2, is characterized in that: Servo motors (9) are provided on the side walls of the integrated frame (4), and the output end of the servo motors (9) is connected to the bidirectional lead screw (10).

4. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 3, is characterized in that: The surface of the bidirectional lead screw (10) is fitted with two sets of threaded sleeves (8), and the threaded sleeves (8) are threadedly connected to the bidirectional lead screw (10).

5. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 4, is characterized in that: The threaded sleeve (8) is slidably connected to the integrated frame (4), and a support arm (7) is installed at the bottom of the threaded sleeve (8).

6. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 5, is characterized in that: Connecting blocks (17) are symmetrically installed on the outer wall of the integrated frame (4), and the connecting blocks (17) are connected to external ropes to hoist the integrated frame (4) to the use position.

7. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 6, is characterized in that: Both ends of the support arm (7) are provided with adjustment arms (5), and the end of the adjustment arm (5) near the support arm (7) is provided with a pin (15), and the adjustment arm (5) is movably connected to the support arm (7) through the pin (15).

8. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 7, is characterized in that: Each of the support arms (7) is symmetrically provided with an electric push rod (12) at its bottom end, and the electric push rod (12) is movably connected to the support arm (7).

9. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 8, is characterized in that: Each of the electric push rods (12) has a push arm (13) installed at its output end. Each push arm (13) has a hinge shaft (14) at one end near the adjusting arm (5), and the push arm (13) is movably connected to the adjusting arm (5) through the hinge shaft (14).

10. The tail gas recovery device for the production of tributyl phosphate, a phosphate ester compound used as an extractant, according to claim 9, is characterized in that: Each of the adjusting arms (5) is provided with a connecting rod (16) on its side wall, and the connecting rod (16) is connected to the flexible corrugated hose (3).

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