Nitroguanidine tail gas recovery tower convenient for replacing absorption liquid

Abstract

The utility model discloses a nitroguanidine tail gas recovery tower convenient to replace absorption liquid, and particularly relates to the technical field of nitroguanidine tail gas recovery towers, the nitroguanidine tail gas recovery tower comprises a recovery tower main body, a liquid discharge pipe and a liquid adding pipe, a partition plate is arranged in the recovery tower main body, and a switching assembly for gas inlet is arranged at the top end of the recovery tower main body. The connecting table and the diversion grooves are arranged, the bottom sides of the two diversion grooves in the connecting table are connected with the two gas conveying pipelines respectively, and the main flow groove in the switching table is in butt joint with one of the diversion grooves and used for gas entering. When the nitroguanidine tail gas recovery tower is used, the switching table can be driven to rotate above the connecting table, so that the position of the main flow groove on the inner side is switched, the main flow groove can be in butt joint with another group of shunting grooves and a gas conveying pipeline to enter another group of absorption liquid, and the convenience of switching the absorption liquid for use of the nitroguanidine tail gas recovery tower is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of nitroguanidine tail gas recovery towers, in particular to a nitroguanidine tail gas recovery tower which is convenient for replacing absorption liquid. Background Art

[0002] Nitroguanidine is an organic compound with the chemical formula CH4N4O2. It is a white crystalline powder, soluble in hot water, insoluble in cold water, slightly soluble in ethanol, insoluble in ether, and easily soluble in alkali solution. It is often used as explosives and organic synthesis raw materials. The device is a nitroguanidine tail gas recovery tower with absorption liquid, which is used to treat the nitroguanidine tail gas.

[0003] When the nitroguanidine tail gas recovery tower is in use, if the internal absorption liquid needs to be replaced, the treatment of the nitroguanidine tail gas generally needs to be suspended, which is inconvenient during use. Therefore, it needs to be improved to make it easier to use. Utility Model Content

[0004] The utility model aims to provide a nitroguanidine tail gas recovery tower which is convenient for replacing absorption liquid, so as to solve the problem that it is inconvenient to replace absorption liquid in the nitroguanidine tail gas recovery tower mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nitroguanidine tail gas recovery tower which is convenient for replacing absorption liquid, comprising a recovery tower body, a drain pipe and a liquid adding pipe, a partition is installed inside the recovery tower body, and an air intake switching component is arranged at the top of the recovery tower body, the switching component comprises a connecting platform, a diverter trough, a switching platform and a main flow trough, a connecting platform is installed at the center position of the top of the recovery tower body, a diverter trough is arranged inside the connecting platform, a switching platform is movably installed at the top of the connecting platform, a main flow trough is arranged inside the switching platform, a connecting pipe is movably installed at the top of the main flow trough, and an air intake pipe is installed at the top of the connecting pipe.

[0006] Preferably, two groups of the diverter grooves are arranged inside the connecting platform, and the two groups of the diverter grooves are symmetrically distributed.

[0007] Preferably, a gear ring is installed on the outer side wall of the switching table, a gear is provided on one side of the gear ring, and a motor is installed at the bottom end of the gear.

[0008] Preferably, the gear ring and the gear are distributed in parallel, and the gear ring and the gear are meshed.

[0009] Preferably, gas pipelines are installed on both sides of the partition, air holes are provided on the surface of the gas pipelines, and the top of the gas pipelines is connected to the diversion groove inside the connecting platform.

[0010] Preferably, liquid discharge pipes are installed at the bottom ends of both sides of the recovery tower body, and liquid adding pipes are installed at both ends of the top of the recovery tower body.

[0011] Preferably, observation windows are installed on both sides of the recovery tower body, and transparent plates are installed inside the observation windows.

[0012] Preferably, mounting grooves are provided on both sides of the top of the recovery tower body, a demister pipe is installed inside the mounting groove, a spiral rod is installed inside the demister pipe, air grooves are provided on both sides of the top of the diversion groove, and an exhaust pipe is installed at the top of the demister pipe.

[0013] Compared with the prior art, the utility model has the following beneficial effects: by providing a connecting platform and a diversion trough, the two groups of diversion troughs inside the connecting platform are connected to the two groups of gas pipelines at the bottom, respectively, and the main flow trough inside the switching platform is docked with one of the groups of diversion troughs for gas to enter. If the motor is started, the driving gear rotates, and the gear cooperates with the gear ring to drive the switching platform to rotate above the connecting platform, so that the position of the main flow trough inside is switched, and it can be docked with another group of diversion troughs and gas pipelines to enter another group of absorption liquid, thereby realizing the convenience of switching the absorption liquid used by the nitroguanidine tail gas recovery tower;

[0014] By providing an observation window and a transparent plate, two groups of observation windows are located on the outer side wall of the recovery tower body, and the insides thereof correspond to a group of absorption liquid chambers inside the recovery tower body respectively. With the help of the transparent plate inside the observation window, the use of the absorption liquid and gas inside the recovery tower body can be directly observed, so as to facilitate the control of the device, thereby realizing the observability of the nitroguanidine tail gas recovery tower during use;

[0015] A demister pipe is provided, which is connected to the exhaust pipe for gas discharge. A spiral rod is installed inside the demister pipe. When the gas collides with the spiral rod, the water vapor inside can condense into water droplets and slide down along the spiral rod, thereby realizing the auxiliary treatment of the water vapor inside the exhaust gas by the nitroguanidine tail gas recovery tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the front cross-sectional structure of the switcher of the utility model;

[0019] Figure 4 It is a schematic diagram of the front cross-sectional structure of the demisting pipe of the utility model.

[0020] In the figure: 1. Recovery tower body; 2. Partition; 3. Gas pipeline; 4. Air hole; 5. Drain pipe; 6. Observation window; 7. Transparent plate; 8. Liquid adding pipe; 9. Connecting table; 10. Diverter trough; 11. Switching table; 12. Main trough; 13. Connecting pipe; 14. Inlet pipe; 15. Gear ring; 16. Gear; 17. Motor; 18. Mounting groove; 19. Demisting pipe; 20. Screw rod; 21. Gas trough; 22. Exhaust pipe. 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 The utility model provides an embodiment: a nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid, comprising a recovery tower body 1, a drain pipe 5 and a liquid adding pipe 8, a partition 2 is installed inside the recovery tower body 1, gas pipelines 3 are installed on both sides of the partition 2, and air holes 4 are arranged on the surface of the gas pipeline 3, and the top of the gas pipeline 3 is connected to the diversion groove 10 inside the connecting platform 9, the bottom ends of both sides of the recovery tower body 1 are installed with drain pipes 5, and both ends of the top of the recovery tower body 1 are installed with liquid adding pipes 8, and both sides of the recovery tower body 1 are installed with observation windows 6, and transparent plates 7 are installed inside the observation windows 6;

[0023] Specifically, Figure 1 and Figure 2 As shown, when in use, the interior of the recovery tower body 1 is divided into two groups of chambers by a partition 2, and an observation window 6 is installed on the outer side of each group of chambers. Through the transparent plate 7 inside the observation window 6, the use of the gas and the absorption liquid inside the chamber can be observed;

[0024] The top of the recovery tower body 1 is provided with a switching assembly for air intake, and the switching assembly includes a connecting platform 9, a diverter slot 10, a switching platform 11 and a main flow slot 12. The connecting platform 9 is installed at the center of the top of the recovery tower body 1. The connecting platform 9 is provided with a diverter slot 10. Two groups of diverter slots 10 are provided inside the connecting platform 9, and the two groups of diverter slots 10 are symmetrically distributed. The top of the connecting platform 9 is movably installed with a switching platform 11, and the inside of the switching platform 11 is provided with a main flow slot 12. The top of the main flow slot 12 is movably installed with a connecting pipe 13, and the top of the connecting pipe 13 is installed with an air intake pipe 14. The outer wall of the switching platform 11 is installed with a gear ring 15, and a gear 16 is provided on one side of the gear ring 15. The gear ring 15 and the gear 16 are distributed in parallel, and the gear ring 15 is meshed with the gear 16. The bottom end of the gear 16 is installed with a motor 17;

[0025] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when in use, the switching table 11 is movably installed at the top of the connecting table 9, and the outer gear ring 15 is meshed with the gear 16 on the top of the motor 17. As the motor 17 is started, the gear 16 cooperates with the gear ring 15 to drive the switching table 11 to rotate above the connecting table 9, so that the internal main flow slot 12 can be switched between the two groups of flow slots 10;

[0026] Both sides of the top of the recovery tower body 1 are provided with mounting grooves 18, a demister pipe 19 is installed inside the mounting groove 18, a spiral rod 20 is installed inside the demister pipe 19, both sides of the top of the diversion groove 10 are provided with air grooves 21, and an exhaust pipe 22 is installed at the top of the demister pipe 19;

[0027] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, when in use, the spiral rod 20 is installed on the inner side of the demister tube 19 , and when the gas moves upward along the demister tube 19 , the water vapor inside collides with the spiral rod 20 , condenses into water droplets, and slides down along the spiral rod 20 .

[0028] Working principle: When in use, the interior of the recovery tower body 1 is divided into two groups of chambers by a partition 2. A group of gas pipelines 3 are installed in each group of chambers, which are connected to the diverter slot 10 inside the connecting platform 9. The gas can be input through the air inlet pipe 14, enter the gas pipeline 3 through the main groove 12 and the diverter slot 10, and enter the absorption liquid in the chamber through the air hole 4. After treatment, the gas can enter the exhaust pipe 22 through the demister pipe 19 and be discharged. A spiral rod 20 is installed inside the demister pipe 19. When the gas collides with the spiral rod 20, the gas contained inside The water vapor can condense into water droplets and fall along the spiral rod 20 for demisting treatment. An observation window 6 is installed on the outer wall of the recovery tower body 1. The use of the internal absorption liquid can be observed through the transparent plate 7 inside the observation window 6. If the use of the absorption liquid needs to be switched, the motor 17 can be started, and the gear 16 cooperates with the gear ring 15 to drive the switching table 11 to rotate, and the internal main flow groove 12 can be switched to dock with another group of flow grooves 10, and enter another group of chambers through another group of gas pipelines 3 to be processed with another group of absorption liquid.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A nitroguanidine tail gas recovery tower for convenient replacement of absorption liquid, comprising a recovery tower body (1), a liquid discharge pipe (5) and a liquid addition pipe (8), characterized in that: A partition plate (2) is installed inside the recovery tower body (1), and an air intake switching assembly is provided at the top of the recovery tower body (1); The switching assembly comprises a connecting platform (9), a diverter trough (10), a switching platform (11) and a main flow trough (12); the connecting platform (9) is installed at the center position of the top of the recovery tower body (1); the diverter trough (10) is arranged inside the connecting platform (9); the switching platform (11) is movably installed at the top of the connecting platform (9); the main flow trough (12) is arranged inside the switching platform (11); a connecting pipe (13) is movably installed at the top of the main flow trough (12); and an air intake pipe (14) is installed at the top of the connecting pipe (13).

2. A nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 1, characterized in that: Two groups of the diverter grooves (10) are arranged inside the connecting platform (9), and the two groups of the diverter grooves (10) are symmetrically distributed.

3. The nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 1, characterized in that: A gear ring (15) is installed on the outer side wall of the switching platform (11), a gear (16) is arranged on one side of the gear ring (15), and a motor (17) is installed at the bottom end of the gear (16).

4. The nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 3, characterized in that: The gear ring (15) and the gear (16) are distributed in parallel, and the gear ring (15) and the gear (16) are meshed.

5. The nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 1, characterized in that: Gas pipelines (3) are installed on both sides of the partition (2), air holes (4) are arranged on the surface of the gas pipeline (3), and the top end of the gas pipeline (3) is connected to the diversion groove (10) inside the connecting platform (9).

6. The nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 1, characterized in that: Liquid discharge pipes (5) are installed at the bottom ends of both sides of the recovery tower body (1), and liquid addition pipes (8) are installed at both ends of the top end of the recovery tower body (1).

7. The nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 1, characterized in that: Observation windows (6) are installed on both sides of the recovery tower body (1), and transparent plates (7) are installed inside the observation windows (6).

8. The nitroguanidine tail gas recovery tower for facilitating replacement of absorption liquid according to claim 1, characterized in that: Both sides of the top of the recovery tower body (1) are provided with mounting grooves (18), a demister pipe (19) is installed inside the mounting groove (18), a spiral rod (20) is installed inside the demister pipe (19), both sides of the top of the diversion groove (10) are provided with air grooves (21), and an exhaust pipe (22) is installed at the top of the demister pipe (19).

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