Energy-saving efficient ammonia gas absorption system

By using a jet pipe to spray ammonia gas in a rotating manner inside the ammonia absorption tower, combined with a motor and gear system, the problem of uneven diffusion of ammonia gas was solved, thus improving the ammonia absorption efficiency.

CN224040487UActive Publication Date: 2026-03-27JIANGSU CHEM DESIGN INST CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing ammonia absorption systems, ammonia cannot diffuse evenly within the absorption tower, resulting in reduced absorption efficiency.

Method used

Ammonia gas is sprayed by rotating a jet pipe, and a motor and gear system are used to ensure that the ammonia gas is evenly diffused. A shield and a one-way valve are used to prevent liquid from entering the jet pipe, ensuring that the ammonia gas and the absorbent are in full contact.

Benefits of technology

This method achieves uniform diffusion of ammonia gas within the absorption tower, improves the contact efficiency between ammonia gas and the absorption liquid, and enhances the absorption effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224040487U_ABST
    Figure CN224040487U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of ammonia gas absorption systems, in particular to an energy-saving efficient ammonia gas absorption system which comprises an absorption tower, an absorption mechanism is arranged on the surface of the absorption tower, and the lower end of the surface of the absorption tower is fixedly communicated with a gas inlet pipe; the driving mechanism comprises an air spraying pipe arranged in the air inlet pipe, the lower end of the surface of the air spraying pipe is fixedly connected with a first sealing bearing, the outer edge of the first sealing bearing is fixedly connected to the inner wall of the air inlet pipe, and the lower end of the surface of the air spraying pipe is fixedly connected with a first gear; according to the device, a motor, a first gear and a second gear are matched, so that the gas spraying pipe rotates in the absorption tower and sprays ammonia gas, and compared with the existing mode that the ammonia gas cannot be uniformly diffused in the absorption tower, the mode ensures that the ammonia gas is uniformly diffused into the absorption tower, so that absorption liquid in the absorption tower is fully contacted with the drifting ammonia gas, and the ammonia gas is uniformly dispersed. Therefore, the absorption effect on the ammonia gas is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to ammonia gas absorption system technical field, especially a kind of energy-efficient ammonia gas absorption system. BACKGROUND

[0002] Ammonia gas absorption system is used for capturing, processing ammonia-containing gas, to avoid ammonia emission to environment to cause pollution, while realizing ammonia recycling a set of device, it plays key role in chemical industry, pharmacy, agriculture and many other industries involving ammonia generation or use.

[0003] Through retrieval, China patent "a kind of ammonia recovery device for concentrated ammonia water filling" authorized announcement No. "CN221471396U" ammonia enters the water in absorption tower through inlet pipe and partially dissolves in water, by first water pump, first water outlet pipe, first water inlet pipe, spray tray and spray head, spray water in absorption tower and contact with the ammonia gas that drifts, increase the contact area of water and ammonia, make water and ammonia fully contact to improve solubility.

[0004] The above application is located in the inside of absorption tower by inlet pipe, leading to more ammonia distribution in the inside of absorption tower close to inlet pipe, less ammonia distribution in the inside of absorption tower far from inlet pipe, further leading to ammonia cannot be evenly diffused in the inside of absorption tower, thereby leading to ammonia and absorption tower internal liquid utilization efficiency reduces.

[0005] Therefore, an energy-efficient ammonia gas absorption system is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] The utility model aims at providing energy-efficient ammonia gas absorption system to solve the above problems, and improves the problem that ammonia cannot be evenly diffused in the inside of absorption tower.

[0007] The utility model realizes the above-mentioned purpose by the following technical scheme, an energy-efficient ammonia gas absorption system, comprising: absorption tower, the surface of the absorption tower is equipped with absorption mechanism, the surface lower end of the absorption tower is fixedly connected with inlet pipe;Driving mechanism, the driving mechanism includes the jet pipe that is arranged in the inside of inlet pipe, the surface lower end of the jet pipe is fixedly connected with first sealed bearing, the outer edge of the first sealed bearing is fixedly connected to the inner wall of inlet pipe, the surface lower end of the jet pipe is fixedly connected with first gear, the surface of the first gear is engagedly connected to second gear, the bottom of the second gear is fixedly connected with motor. By motor, first gear and second gear cooperate, make jet pipe rotate in the inside of absorption tower and spray ammonia, further make ammonia evenly diffuse to the inside of absorption tower, make the absorption liquid in the inside of absorption tower fully contact with the ammonia gas that drifts, ensure the absorption effect of ammonia.

[0008] Preferably, the surface upper end of the jet pipe is fixedly connected with a plurality of masks, and the surface upper end of the mask is in the shape of a flat-topped cone. The opening of the jet pipe is shielded by the mask, thereby reducing the absorption liquid into the opening of the jet pipe, and further ensuring the spraying effect of the ammonia gas.

[0009] Preferably, the surface upper end of the jet pipe is embeddedly installed with a plurality of one-way valves, and the one-way valves are used for blocking the liquid from the outside into the inside of the jet pipe.

[0010] Preferably, the two ends of the jet pipe are fixedly connected with abutting rods, one end of the abutting rod is rollingly connected with a ball, and the surface of the ball is rollingly connected to the inner wall lower end of the absorption tower. The jet pipe is stably rotated in the absorption tower by the cooperation of the abutting rod and the ball.

[0011] Preferably, the inner bottom wall of the absorption tower is fixedly connected with a protective frame, and the surface of the motor is fixedly connected to the inner wall of the protective frame. The motor, the first gear and the second gear are surrounded by the protective frame, thereby avoiding the absorption liquid adhering to the surface of the motor, the first gear and the second gear, and ensuring the service life of the motor, the first gear and the second gear.

[0012] Preferably, the inner wall upper end of the protective frame is fixedly connected with a second sealing bearing, and the inner edge of the second sealing bearing is fixedly connected to the surface lower end of the jet pipe.

[0013] Preferably, the surface lower end of the jet pipe is fixedly connected with an arc block, and the bottom of the arc block is in contact with the top of the protective frame.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The motor, the first gear and the second gear are cooperated to rotate the jet pipe in the absorption tower and spray the ammonia gas. Compared with the existing ammonia gas which cannot be uniformly diffused in the absorption tower, the present application ensures that the ammonia gas is uniformly diffused into the absorption tower, so that the absorption liquid in the absorption tower fully contacts with the diffused ammonia gas, and further ensures the absorption effect of the ammonia gas.

[0016] 2. The opening of the jet pipe is shielded by the mask, thereby reducing the absorption liquid into the opening of the jet pipe, and further ensuring the spraying effect of the ammonia gas. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the present application;

[0018] Figure 2 It is a cross-sectional view of the absorption tower of the present application;

[0019] Figure 3 It is a cross-sectional view of the driving mechanism of the present application;

[0020] Figure 4 This is a schematic diagram of the drive mechanism structure of this utility model.

[0021] In the diagram: 1. Absorption tower; 2. Absorption mechanism; 3. Inlet pipe; 4. Drive mechanism; 41. Jet pipe; 42. First gear; 43. Second gear; 44. Motor; 45. One-way valve; 46. Shield; 47. Push rod; 48. Ball bearing; 49. Arc block; 410. Protective frame; 411. Second sealed bearing; 412. First sealed bearing. Detailed Implementation

[0022] 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.

[0023] In practical implementation: such as Figures 1-4 As shown, an energy-saving and efficient ammonia absorption system includes: an absorption tower 1, an absorption mechanism 2 on the surface of the absorption tower 1, and an air inlet pipe 3 fixedly connected to the lower end of the surface of the absorption tower 1; a drive mechanism 4, the drive mechanism 4 including a jet pipe 41 disposed inside the air inlet pipe 3, a first sealed bearing 412 fixedly connected to the lower end of the surface of the jet pipe 41, the outer edge of the first sealed bearing 412 fixedly connected to the inner wall of the air inlet pipe 3, a first gear 42 fixedly connected to the lower end of the surface of the jet pipe 41, the surface of the first gear 42 meshing with a second gear 43, and a motor 44 fixedly connected to the bottom end of the second gear 43.

[0024] The bottom of the absorption tower 1 is fixedly connected to a base, and the lower end of the surface of the absorption tower 1 is connected to a drain pipe. The absorption mechanism 2 includes a cooler, a circulating pump, and a storage tank fixedly connected to the top of the base. The top of the absorption tower 1 is connected to an outlet pipe, and the other end of the outlet pipe is connected to the front end of the cooler. The top of the circulating pump is connected to the front end of the cooler. A filter is provided on the upper end of the surface of the circulating pump. The other end of the circulating pump is connected to the inner wall of the storage tank. A water pump is fixedly connected to the upper end of the surface of the absorption tower 1. One end of the water pump is connected to the inside of the storage tank. The other end of the water pump is connected to a spray pipe. The surface of the spray pipe is fixedly connected to the upper end of the inner wall of the absorption tower 1. A packing frame is fixedly connected to the inner wall of the spray pipe. The top of the storage tank is connected to an exhaust pipe, and the upper end of the surface of the storage tank is connected to an inlet pipe.

[0025] The filler layer inside the filler frame adopts high-efficiency corrugated filler, the filler layer is made of polypropylene component, the spray pipe is made of stainless steel component, the number of nozzles on the spray pipe is 12, the spray pipe is located above the filler frame, the cooler is made of titanium alloy component, the cooler is a plate heat exchanger, and the circulating pump adopts a centrifugal pump.

[0026] The inlet pipe 3 is connected with the ammonia gas conveying pipeline by a flange connection mode, the exhaust pipe is connected with the corresponding pipeline, the inlet pipe is connected with the corresponding liquid conveying pipeline, and the exhaust pipe is connected with the corresponding pipeline.

[0027] When the ammonia gas needs to be absorbed, the motor 44, the water pump, the circulating pump and the cooler are automatically started by operating the controller, the ammonia gas is conveyed into the inlet pipe 3, the ammonia gas flows into the air injection pipe 41, the output shaft of the motor 44 drives the second gear 43 to rotate, the second gear 43 drives the first gear 42 to rotate, the rotating first gear 42 drives the air injection pipe 41 to rotate, and then the sprayed ammonia gas in the air injection pipe 41 is uniformly diffused into the absorption tower 1, at this time, the water pump extracts the absorption liquid in the liquid storage tank and conveys it into the spray pipe, so that the spray pipe sprays the absorption liquid into the absorption tower 1, so that the ammonia gas is fully contacted with the sprayed absorption liquid, the ammonia gas passes through the filler layer, the filler layer absorbs the ammonia gas, and the floating water vapor and air in the absorption tower 1 enter the cooler, the cooler cools the water vapor and air, and the cooled liquid and air are conveyed into the liquid storage tank by the circulating pump, and the air in the liquid storage tank is discharged into the atmosphere through the exhaust pipe and the corresponding pipeline.

[0028] As shown in Figure 3 , the surface upper end of the air injection pipe 41 is fixedly connected with a plurality of masks 46, the surface upper end of the mask 46 is in the shape of a flat top cone, a plurality of one-way valves 45 are embeddedly installed on the surface upper end of the air injection pipe 41, and the one-way valves 45 are used to prevent external liquid from entering the air injection pipe 41.

[0029] As shown in Figure 4 , the two ends of the air injection pipe 41 are fixedly connected with abutting rods 47, one end of the abutting rod 47 is rollingly connected with a ball 48, the surface of the ball 48 is rollingly connected to the inner lower end of the absorption tower 1, the inner bottom wall of the absorption tower 1 is fixedly connected with a protection frame 410, the surface of the motor 44 is fixedly connected to the inner wall of the protection frame 410, the inner wall upper end of the protection frame 410 is fixedly connected with a second sealing bearing 411, the inner edge of the second sealing bearing 411 is fixedly connected to the surface lower end of the air injection pipe 41, the surface lower end of the air injection pipe 41 is fixedly connected with an arc block 49, and the bottom of the arc block 49 is in contact with the top of the protection frame 410.

[0030] The first sealing bearing 412 and the second sealing bearing 411 are mainly composed of an inner ring, an outer ring, rolling elements, a retainer and a sealing device, are bearings with sealing devices, and mainly prevent lubricant leakage and prevent dust, moisture and other contaminants from entering the inside of the bearing, thereby ensuring normal operation of the bearing and prolonging the service life.

[0031] In use, the motor 44 is automatically started, ammonia gas is conveyed into the air inlet pipe 3, the ammonia gas flows into the air injection pipe 41, the output shaft of the motor 44 rotates the air injection pipe 41 through the second gear 43 and the first gear 42, and the ammonia gas sprayed in the air injection pipe 41 is uniformly diffused into the absorption tower 1, and the absorption mechanism 2 absorbs and processes the uniformly diffused ammonia gas.

[0032] It should be noted that the absorption tower 1, the motor 44, the first gear 42, the second gear 43, the one-way valve 45, the first sealing bearing 412, the second sealing bearing 411, the spray pipe, the filler frame, the water pump, the cooler, the circulating pump and the liquid storage tank are all relatively mature devices in the prior art, and the specific model can be selected according to actual needs, and the motor 44, the water pump, the cooler and the circulating pump can be powered by an internal power supply or a mains power supply, and the specific power supply mode is selected as needed, and will not be described here.

[0033] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An energy efficient ammonia absorption system, characterized in that, Include: The surface of the absorption tower (1) is provided with absorption mechanism (2), the surface of the absorption tower (1) lower end fixed communication has air inlet pipe (3); Driving mechanism (4), the driving mechanism (4) includes being located in the air inlet pipe (3) inside jet pipe (41), the surface lower end of the jet pipe (41) is fixedly connected with first sealing bearing (412), the outer edge of the first sealing bearing (412) is fixedly connected to the inner wall of the air inlet pipe (3), the surface lower end of the jet pipe (41) is fixedly connected with first gear (42), the surface of the first gear (42) is engagedly connected to second gear (43), the bottom end of the second gear (43) is fixedly connected with motor (44).

2. The energy-efficient ammonia absorption system of claim 1, wherein: The surface upper end of the jet pipe (41) is fixedly connected with a plurality of masks (46), the surface upper end of the mask (46) is flat top cone.

3. The energy efficient ammonia absorption system of claim 1, wherein: The surface upper end of the jet pipe (41) is embeddedly installed with a plurality of check valves (45), the check valve (45) is used for blocking the liquid from the outside into the jet pipe (41) inside.

4. The energy efficient ammonia absorption system of claim 1, wherein: The both ends of the jet pipe (41) are fixedly connected with the abut bar (47), one end of the abut bar (47) is rollingly connected with the ball (48), the surface of the ball (48) is rollingly connected to the inner wall lower end of the absorption tower (1).

5. The energy efficient ammonia absorption system of claim 1, wherein: The inner bottom wall of the absorption tower (1) is fixedly connected with the protection frame (410), the surface of the motor (44) is fixedly connected to the inner wall of the protection frame (410).

6. The energy efficient ammonia absorption system of claim 5, wherein: The inner wall upper end of the protection frame (410) is fixedly connected with the second sealing bearing (411), the inner edge of the second sealing bearing (411) is fixedly connected to the surface lower end of the jet pipe (41).

7. The energy efficient ammonia absorption system of claim 5, wherein: The surface lower end of the jet pipe (41) is fixedly connected with the arc block (49), the bottom of the arc block (49) is contacted to the top of the protection frame (410).

Citation Information

Patent Citations

  • Ammonia gas recovery device for concentrated ammonia water filling

    CN221471396U