Waste gas treatment equipment for water-soluble fertilizer production

Through the combination of a two-way rotating stirring rod and a pretreatment filtering mechanism, the problem of insufficient mixing of waste gas and chemical reagents in water-soluble fertilizer production is solved, and efficient waste gas treatment and purity guarantee is achieved.

CN223082471UActive Publication Date: 2025-07-11WUHAN DIPUFENG AGRI TECH CO LTD
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Patent Information

Application Number
CN202422348125.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-11
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing waste gas treatment equipment for water-soluble fertilizer production only uses one set of stirring rods during the stirring process, resulting in insufficient mixing of waste gas and chemical reagents, affecting the treatment efficiency.

Method used

The two-way rotating stirring rod design is adopted, and the two stirring rods are driven by the main gear and auxiliary gear to enhance the mixing effect of waste gas and chemical reagents. It is combined with the pretreatment mechanism and the filtering mechanism, including a crude filter and a fine filter, remove solid impurities and use the activated carbon layer to adsorb harmful components.

Benefits of technology

It improves the mixing efficiency of waste gas and chemical reagents, ensures the purity and effect of waste gas treatment, simplifies the replacement and cleaning process of activated carbon layers, and improves the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses waste gas treatment equipment for water-soluble fertilizer production, which comprises a treatment cylinder, the top of the treatment cylinder is fixedly connected with a support frame, the surface of the support frame is in threaded connection with a motor box, and the interior of the motor box is fixedly connected with a stirring mechanism. The stirring mechanism comprises a driving motor, a transmission rod, a main gear, an auxiliary gear and a stirring rod. When waste gas and a chemical reagent are mixed, the chemical reagent is injected into the treatment cylinder, then external waste gas is conveyed into the treatment cylinder through a pipeline and is in contact with the chemical reagent, a driving motor in a motor box is started, and the driving motor drives a main gear at the bottom and an auxiliary gear meshed with the surface of the main gear to rotate; the two staggered stirring rods at the bottoms of the main gear and the auxiliary gear are used for stirring, so that the waste gas and the chemical reagent are promoted to be fully mixed, and compared with the traditional one-way stirring by only using one group of stirring rods, the stirring effect is better, and the waste gas treatment efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment equipment, in particular to a waste gas treatment equipment for water-soluble fertilizer production. Background Technique

[0002] Water-soluble fertilizer refers to a compound fertilizer that can be completely dissolved in water, which is rich in substances such as nitrogen, phosphorus, potassium, calcium and amino acids. Compared with traditional solid compound fertilizers, water-soluble fertilizers have the advantages of no residue and convenient simultaneous application of water and fertilizer. Waste gas is generated during the production of water-soluble fertilizers. Therefore, to avoid direct emission of waste gas polluting the environment, the waste gas needs to react with chemical reagents and then be discharged.

[0003] Patent document: CN219615248U proposes a waste gas treatment equipment for water-soluble fertilizer production, including a treatment barrel, activated carbon cotton, a motor and a sprocket mechanism. The upper ends of both sides of the treatment barrel are respectively penetrated and fixed with an air inlet pipe and an air outlet pipe, and the inner wall of the air outlet pipe is movably connected with activated carbon cotton. The upper surface of the treatment barrel is fixedly provided with a motor, and the lower end of the output shaft of the motor is fixedly connected with a stirring rod. The inner walls of the side of the treatment barrel are fixedly provided with a positioning arm and a support arm in parallel, and the inner wall of the end of the support arm is movably installed with a stirring cylinder, and the outer wall of the lower end of the stirring cylinder is fixedly provided with a tooth protrusion. The waste gas treatment equipment for water-soluble fertilizer production improves the mixing effect of waste gas and chemical reagents, which is beneficial to ensuring the waste gas treatment effect of the device. At the same time, the equipment is convenient for replacing the activated carbon cotton, improving the practicability of the device.

[0004] However, this device is not convenient for using two stirring rods with different rotation directions to stir the waste gas to form a positive and negative air flow and accelerate the fusion of the waste gas and chemical reagents. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a waste gas treatment equipment for water-soluble fertilizer production, which can effectively solve the problem of improving waste gas treatment efficiency in the background technique.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] An exhaust gas treatment device for water-soluble fertilizer production, including a treatment cylinder, a support frame is fixedly connected to the top of the treatment cylinder, a motor box is threadedly connected to the surface of the support frame, a stirring mechanism is fixedly connected to the inside of the motor box, the stirring mechanism includes a driving motor, a transmission rod, a main gear, an auxiliary gear and a stirring rod, an exhaust port is opened on the upper surface of the treatment cylinder, a filtering mechanism is installed in the middle of the surface of the exhaust port, the filtering mechanism includes a filtering box, an activated carbon layer and a handle, an air inlet pipe is fixedly connected to one side of the treatment cylinder, a flow pipe is communicated with the bottom of the air inlet pipe, the end of the flow pipe is communicated with a pretreatment box, two sliding grooves are opened inside the pretreatment box, a pretreatment mechanism is slidably connected to the inside of the sliding grooves, the pretreatment mechanism includes a coarse filter screen, a fine filter screen and a lifting handle.

[0008] Preferably, the driving motor is fixedly connected to the inside of the motor box, the output end of the driving motor is spline-connected with a transmission rod, one end of the transmission rod is fixedly connected with a main gear, the surface of the main gear is meshed with an auxiliary gear, and stirring rods are fixedly connected to the bottoms of the main gear and the auxiliary gear. The stirring rods are convenient for fully mixing the exhaust gas and chemical reagents.

[0009] Preferably, the filtering box is installed in the middle of the surface of the exhaust port, a sliding groove is opened inside the filtering box, the activated carbon layer is slidably connected to the inside of the sliding groove, and a handle is fixedly connected to one side of the activated carbon layer. The handle is convenient for removing the activated carbon layer.

[0010] Preferably, the coarse filter screen is slidably connected to the inside of the sliding groove, the fine filter screen is slidably connected to the inside of one of the sliding grooves, and lifting handles are fixedly connected to the surfaces of the coarse filter screen and the fine filter screen. The coarse filter screen and the fine filter screen are convenient for preprocessing the exhaust gas.

[0011] Preferably, a drainage pipe is communicated with the left side of the pretreatment box, and a flange is fixedly connected to the surface of the drainage pipe. The drainage pipe is convenient for transporting the exhaust gas.

[0012] Preferably, a solenoid valve is installed in the middle of the surface of the flow pipe, and a PLC controller is electrically connected to one side of the solenoid valve through a power cord. The solenoid valve is convenient for controlling the flow rate of the exhaust gas entering the treatment cylinder.

[0013] Preferably, a chemical reagent injection port is opened on the top of the treatment cylinder, and a liquid discharge port is opened on the lower surface of the treatment cylinder. The liquid discharge port is convenient for discharging the chemical reagent.

[0014] The bottom of the treatment cylinder is threadedly connected with a base, a plurality of threaded holes are opened at the bottoms of the base and the treatment cylinder, and threaded columns are threadedly connected to the inside of the threaded holes. The threaded columns are convenient for improving the stability of the connection structure between the treatment cylinder and the base.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Through the setting of the stirring mechanism, when mixing waste gas and chemical reagents, the chemical reagents are injected into the treatment cylinder, and then the external waste gas is transported through a pipeline into the treatment cylinder to contact with the chemical reagents. The driving motor inside the motor box is started, and the driving motor drives the main gear at the bottom, and the auxiliary gear meshed with the surface of the main gear rotates, so that the two stirring rods staggered from each other at the bottom of the main gear and the auxiliary gear stir, promoting the full mixing of the waste gas and the chemical reagents. Compared with the traditional method of only using a group of stirring rods to stir unidirectionally, the stirring effect is better, and the waste gas treatment efficiency is improved;

[0017] 2. Through the setting of the pretreatment mechanism and the filtering mechanism, when treating waste gas, the waste gas first passes through the pretreatment box, and is filtered by the coarse filter screen and the fine filter screen arranged inside the pretreatment box to remove the residual solid impurities in the waste gas. Then the waste gas enters the treatment cylinder through the circulation pipe and the air inlet pipe to be mixed and treated with the chemical reagents. Secondly, the gas generated inside the treatment cylinder during the mixing process will be discharged through the exhaust port above. An activated carbon layer is arranged in the middle of the exhaust port, which can further adsorb the solid impurities and peculiar smell in the discharged gas, ensuring the purity of the waste gas in the treatment equipment, so as to fully carry out the gas-phase reaction with the chemical reagents. Moreover, the activated carbon layer, the coarse filter screen and the fine filter screen all adopt a drawable structure, which can be cleaned and replaced regularly, facilitating the use by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall view of the utility model;

[0019] Figure 2 is the pretreatment mechanism view of the utility model;

[0020] Figure 3 is the stirring mechanism view of the utility model;

[0021] Figure 4 is the filtering mechanism view of the utility model.

[0022] In the figure: 1. Treatment cylinder; 2. Support frame; 3. Motor box; 4. Stirring mechanism; 401. Driving motor; 402. Transmission rod; 403. Main gear; 404. Auxiliary gear; 405. Stirring rod; 5. Exhaust port; 6. Filtering mechanism; 601. Filter box; 602. Activated carbon layer; 603. Handle; 7. Air inlet pipe; 8. Circulation pipe; 9. Pretreatment box; 10. Pretreatment mechanism; 1001. Coarse filter screen; 1002. Fine filter screen; 1003. Handle; 11. Drainage pipe; 12. Flange; 13. Solenoid valve; 14. PLC controller; 15. Chemical reagent injection port; 16. Drainage port; 17. Base; 18. Threaded column. Detailed implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a technical solution: an exhaust gas treatment device for water-soluble fertilizer production, including a treatment cylinder 1. A support frame 2 is fixedly connected to the top of the treatment cylinder 1. A motor box 3 is threadedly connected to the surface of the support frame 2. A stirring mechanism 4 is fixedly connected inside the motor box 3. The stirring mechanism 4 includes a driving motor 401, a transmission rod 402, a main gear 403, an auxiliary gear 404 and a stirring rod 405. An exhaust port 5 is opened on the upper surface of the treatment cylinder 1. A filtering mechanism 6 is installed in the middle of the surface of the exhaust port 5. The filtering mechanism 6 includes a filtering box 601, an activated carbon layer 602 and a handle 603. A gas inlet pipe 7 is fixedly connected to one side of the treatment cylinder 1. A flow pipe 8 is communicated with the bottom of the gas inlet pipe 7. The end of the flow pipe 8 is communicated with a pretreatment box 9. Two sliding grooves are opened inside the pretreatment box 9. A pretreatment mechanism 10 is slidably connected inside the sliding grooves. The pretreatment mechanism 10 includes a coarse filter screen 1001, a fine filter screen 1002 and a handle 1003.

[0025] Please refer to Figure 3 , the driving motor 401 is fixedly connected inside the motor box 3. The output end of the driving motor 401 is spline-connected with a transmission rod 402. One end of the transmission rod 402 is fixedly connected with a main gear 403. An auxiliary gear 404 is meshed on the surface of the main gear 403. Stirring rods 405 are fixedly connected to the bottoms of the main gear 403 and the auxiliary gear 404.

[0026] When mixing the exhaust gas and the chemical reagent, inject the chemical reagent into the treatment cylinder 1, and then transport the external exhaust gas through a pipeline into the treatment cylinder 1 to contact with the chemical reagent. Start the driving motor 401 inside the motor box 3. The driving motor 401 drives the main gear 403 at the bottom, and the auxiliary gear 404 meshed on the surface of the main gear 403 to rotate, so that the two mutually staggered stirring rods 405 at the bottoms of the main gear 403 and the auxiliary gear 404 stir, promoting the full mixing of the exhaust gas and the chemical reagent.

[0027] Please refer to Figure 2 and Figure 4, the filtering box 601 is installed in the middle of the surface of the exhaust port 5. A sliding groove is provided inside the filtering box 601. An activated carbon layer 602 is slidably connected inside the sliding groove. A handle 603 is fixedly connected to one side of the activated carbon layer 602; the coarse filter screen 1001 is slidably connected inside the sliding groove, and a fine filter screen 1002 is slidably connected inside one of the sliding grooves. Lifting handles 1003 are fixedly connected to the surfaces of the coarse filter screen 1001 and the fine filter screen 1002.

[0028] The waste gas first passes through the pretreatment box 9 and is filtered by the coarse filter screen 1001 and the fine filter screen 1002 provided inside the pretreatment box 9 to remove the residual solid impurities in the waste gas. Then, the waste gas enters the treatment cylinder 1 through the circulation pipe 8 and the intake pipe 7 and is mixed with the chemical reagent. Secondly, the gas generated inside the treatment cylinder 1 during the mixing process will be discharged through the exhaust port 5 above. An activated carbon layer 602 is provided in the middle of the exhaust port 5, which can further adsorb the solid impurities and odors in the discharged gas, ensuring the purity of the waste gas treatment in the treatment equipment, so as to fully react with the chemical reagent in the gas phase.

[0029] Please refer to Figure 1 , a drainage pipe 11 is connected to the left side of the pretreatment box 9. A flange 12 is fixedly connected to the surface of the drainage pipe 11; a solenoid valve 13 is installed in the middle of the surface of the circulation pipe 8. One side of the solenoid valve 13 is electrically connected to a PLC controller 14 through a power cord; a chemical reagent injection port 15 is provided at the top of the treatment cylinder 1, and a liquid discharge port 16 is provided on the lower surface of the treatment cylinder 1; a base 17 is threadedly connected to the bottom of the treatment cylinder 1. A plurality of threaded holes are provided in the bottom of the base 17 and the treatment cylinder 1, and threaded posts 18 are threadedly connected inside the threaded holes.

[0030] The solenoid valve 13 is convenient for controlling the rate of the waste gas entering the treatment cylinder 1. The PLC controller 14 is convenient for controlling the opening and closing of the solenoid valve 13. The liquid discharge port 16 is convenient for treating the used chemical reagent. The base 17 is convenient for supporting the equipment and improving the stability of the equipment.

[0031] Working principle: When mixing the waste gas and the chemical reagent, the chemical reagent and the waste gas are injected into the treatment cylinder 1 together and come into contact with the chemical reagent. The drive motor 401 is started. The drive motor 401 drives the main gear 403 at the bottom, and the auxiliary gear 404 meshing with the surface of the main gear 403 rotates, so that the two stirring rods 405 staggered from each other at the bottom of the main gear 403 and the auxiliary gear 404 stir, promoting the full mixing of the waste gas and the chemical reagent;

[0032] First, the waste gas passes through the pretreatment tank 9, and is filtered by the coarse filter screen 1001 and the fine filter screen 1002 arranged inside the pretreatment tank 9 to remove the residual impurities in the waste gas. Then, the waste gas enters the treatment cylinder 1 through the circulation pipe 8 and the intake pipe 7 for mixing treatment with the chemical reagent. Finally, the gas generated inside the treatment cylinder 1 during the mixing process will be discharged through the exhaust port 5 above. An activated carbon layer 602 is arranged in the middle of the exhaust port 5 to adsorb the harmful gases in the discharged gas, ensuring the purity of the waste gas treatment in the treatment equipment, so as to fully react with the chemical reagent in the gas phase.

[0033] The above is the working process of the entire device, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas treatment device for water-soluble fertilizer production, comprising a treatment cylinder (1), characterized in that: A support frame (2) is fixedly connected to the top of the processing cylinder (1). A motor box (3) is threadedly connected to the surface of the support frame (2). A stirring mechanism (4) is fixedly connected inside the motor box (3). The stirring mechanism (4) includes a driving motor (401), a transmission rod (402), a main gear (403), an auxiliary gear (404), and a stirring rod (405). An exhaust port (5) is opened on the upper surface of the processing cylinder (1). A filtering mechanism (6) is installed in the middle of the surface of the exhaust port (5). The filtering mechanism (6) includes a filtering box (601), an activated carbon layer (602), and a handle (603). An air inlet pipe (7) is fixedly connected to one side of the processing cylinder (1). A circulation pipe (8) is communicated with the bottom of the air inlet pipe (7). The end of the circulation pipe (8) is communicated with a pretreatment box (9). Two sliding grooves are opened inside the pretreatment box (9). A pretreatment mechanism (10) is slidably connected inside the sliding grooves. The pretreatment mechanism (10) includes a coarse filter screen (1001), a fine filter screen (1002), and a handle (1003).

2. The waste gas treatment equipment for water-soluble fertilizer production according to claim 1, wherein: The driving motor (401) is fixedly connected inside the motor box (3). The output end of the driving motor (401) is spline-connected to a transmission rod (402). One end of the transmission rod (402) is fixedly connected to a main gear (403). An auxiliary gear (404) is meshed with the surface of the main gear (403). Stirring rods (405) are fixedly connected to the bottoms of both the main gear (403) and the auxiliary gear (404).

3. An exhaust gas treatment device for water-soluble fertilizer production according to claim 1, characterized in that: The filtering box (601) is installed in the middle of the surface of the exhaust port (5). A sliding groove is opened inside the filtering box (601). An activated carbon layer (602) is slidably connected inside the sliding groove. A handle (603) is fixedly connected to one side of the activated carbon layer (602).

4. An exhaust gas treatment device for water-soluble fertilizer production according to claim 1, characterized in that: The coarse filter screen (1001) is slidably connected inside the sliding groove. A fine filter screen (1002) is slidably connected inside one of the sliding grooves. Handles (1003) are fixedly connected to the surfaces of both the coarse filter screen (1001) and the fine filter screen (1002).

5. An exhaust gas treatment device for water-soluble fertilizer production according to claim 1, characterized in that: A drainage pipe (11) is communicated with the left side of the pretreatment box (9). A flange (12) is fixedly connected to the surface of the drainage pipe (11).

6. The waste gas treatment equipment for water-soluble fertilizer production according to claim 1, characterized in that: A solenoid valve (13) is installed in the middle of the surface of the circulation pipe (8). A PLC controller (14) is electrically connected to one side of the solenoid valve (13) through a power cord.

7. An exhaust gas treatment device for water-soluble fertilizer production according to claim 1, characterized in that: A chemical reagent injection port (15) is opened on the top of the processing cylinder (1). A liquid discharge port (16) is opened on the lower surface of the processing cylinder (1).

8. An exhaust gas treatment device for water-soluble fertilizer production according to claim 1, characterized in that: A base (17) is threadedly connected to the bottom of the processing cylinder (1). A plurality of threaded holes are opened at the bottoms of both the base (17) and the processing cylinder (1). A threaded column (18) is threadedly connected inside the threaded holes.

Citation Information

Patent Citations

  • Waste gas treatment equipment for water-soluble fertilizer production

    CN219615248U