Anti-scaling device in urea hydrolysis ammonia production system
By using a motor-driven gear and chain transmission system to stir the urea hydrolysis device, combined with water pumps and spray pipes for cleaning, the sealing problem in the existing technology of urea hydrolysis ammonia production system has been solved. This has resulted in low anti-scaling effect, solved the technical problems of the equipment, improved the sealing and cleaning efficiency of the anti-scaling device, and enhanced the practicality of the equipment and water resource utilization.
Patent Information
- Application Number
- CN202520282383.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing anti-scaling device in the urea hydrolysis ammonia production system has a sealing problem that causes leakage, affecting the practicality of the equipment and resulting in low anti-scaling effectiveness.
Design a gear and chain transmission system driven by an electric motor to rotate the stirring bar and stir the urea. Combined with a cleaning mechanism, a water pump and a water spray pipe are used to clean the inner wall of the container to prevent scaling and recycle water resources.
It effectively prevents scaling during urea hydrolysis, improves equipment usability, and enables water recycling through a cleaning device, avoiding waste.
Smart Images

Figure CN223683552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to urea hydrolysis technical field, concretely is a kind of anti-fouling device in urea hydrolysis ammonia system. BACKGROUND
[0002] Urea hydrolysis ammonia is a kind of technology that urea is converted into ammonia, urea reacts with water under certain conditions, first ammonium carbamate is generated, it is a reversible exothermic reaction, generally needs higher temperature, common reaction temperature is between 130-180 DEG C, temperature rise is conducive to improving reaction rate and urea hydrolysis conversion rate, but too high temperature can increase energy consumption and requirement to equipment material, generally under 0.4-1.2MPa pressure reaction, appropriate pressure helps to maintain the state of each substance in reaction system, promotes reaction, simultaneously also interrelated and influence with reaction temperature, under certain circumstances, catalyst is used to speed up reaction rate, but in industrial application, many processes also do not depend on catalyst, but through optimizing reaction temperature, pressure and residence time conditions to realize high-efficiency hydrolysis, to prevent urea hydrolysis from being insufficient to cause condensation, therefore, an anti-fouling device in urea hydrolysis ammonia system is used.
[0003] The anti-fouling device in urea hydrolysis ammonia system existing in the market at present mainly consists of driving device, filter equipment, stirring device, when using, driving device output power is used to drive stirring device to stir urea, to reach the effect of preventing scale, but the connection mode used between each part of anti-fouling device can cause sealing not to be strict, especially under high temperature, high pressure environment of urea hydrolysis ammonia system, leakage is more likely to occur, to solve the above problem, existing technology only selects appropriate sealing material and connection mode, optimizes the structure design of connecting part, tries to reduce gap and groove, and has not improved anti-fouling efficiency, resulting in low anti-fouling effect, reduce equipment practicability, can not satisfy the use demand. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an anti-fouling device in urea hydrolysis ammonia system to solve the problem of not improving anti-fouling efficiency in the above background technology, resulting in low anti-fouling effect and reducing equipment practicability.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of anti-fouling device in urea hydrolysis ammonia system, including bucket body, the rear top of the bucket body is fixedly connected with motor, the output end of the motor is fixedly connected with circular gear one, the outer wall of circular gear one is engaged with chain, the other side of the chain is engaged with circular gear two, the middle part of circular gear two is fixedly connected with rotating shaft, the outer wall middle part of rotating shaft is fixedly connected with bevel gear one, the outer wall bottom of rotating shaft is fixedly connected with stirring bar one, the outer wall top of bevel gear one is rotatably connected with support cylinder, the outer wall bottom of support cylinder is rotatably connected with rotating shaft rod on left and right sides, the outer wall adjacent side of rotating shaft rod is fixedly connected with bevel gear two, the outer wall far side of rotating shaft rod is fixedly connected with stirring bar two, the left side of the bucket body is provided with cleaning mechanism, and the cleaning mechanism is used to clean the inner wall of bucket body.
[0006] As further description of the above technical solution:
[0007] The cleaning mechanism includes drain pipe, the right side of the drain pipe is communicated with the left bottom of the bucket body, the left side of the drain pipe is communicated with treatment box, the middle part of the treatment box is slidably connected with filter screen, the top rear side of the treatment box is fixedly connected with water pump, the top of the water pump is communicated with water delivery pipe, and the other end of the water delivery pipe is communicated with water spraying pipe.
[0008] As further description of the above technical solution:
[0009] The top of the filter screen is fixedly connected with handle, and the top of the drain pipe is rotatably connected with valve.
[0010] As further description of the above technical solution:
[0011] The top of the bucket body is fixedly connected with protective shell, and the right middle part of the bucket body is fixedly connected with nameplate.
[0012] As further description of the above technical solution:
[0013] The right front part of the bucket body is fixedly connected with controller, and the right rear part of the bucket body is fixedly connected with battery.
[0014] As further description of the above technical solution:
[0015] The top front side of the bucket body is rotatably connected with cover plate, and the bottom of the motor is fixedly connected with fixed block.
[0016] As further description of the above technical solution:
[0017] The bottom of the bucket body is fixedly connected with support leg around, and the bottom of the support leg is fixedly connected with antiskid pad.
[0018] As a further description of the above technical solutions:
[0019] The top of the cover plate is fixedly connected with a handle, and the outer wall of the handle is fixedly connected with an antiskid sleeve in the middle.
[0020] As a further description of the above technical solutions:
[0021] By adopting the above technical solutions, the container is cleaned after urea hydrolysis, thereby preventing the influence on the next operation.
[0022] Compared with the prior art, the urea hydrolysis container cleaning device has the beneficial effects that: the container is cleaned after urea hydrolysis, thereby preventing the influence on the next operation.
[0023] 1. To prevent urea hydrolysis from scaling, the motor is started to drive the gear and chain, so that the stirring bar rotates to stir the urea hydrolysis, and the conical gear is further driven to stir, thereby ensuring the practicability of the equipment and avoiding scaling.
[0024] 2. After the urea hydrolysis, the water pump is started to clean the inner wall of the barrel by using the water in the treatment box through the water delivery pipe and the water spraying pipe, after cleaning, the valve is opened, the waste water flows into the treatment box, is filtered through the filter screen and is recycled, thereby preventing waste. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a perspective view of the barrel of the utility model;
[0026] Figure 2 It is a structure view of the treatment box of the utility model;
[0027] Figure 3 It is a structure view of the chain of the utility model;
[0028] Figure 4 It is a structure display view of the protective shell of the utility model;
[0029] Figure 5 It is a structure schematic view of the motor of the utility model.
[0030] In the drawing: 1, barrel; 2, cleaning mechanism; 201, drain pipe; 202, treatment box; 203, filter screen; 204, water pump; 205, water delivery pipe; 206, water spraying pipe; 207, valve; 208, handle; 3, motor; 4, circular gear one; 5, chain; 6, circular gear two; 7, rotating shaft; 8, conical gear one; 9, stirring bar one; 10, supporting cylinder; 11, rotating shaft rod; 12, conical gear two; 13, stirring bar two; 14, protective shell; 15, controller; 16, storage battery; 17, nameplate; 18, cover plate; 19, supporting leg; 20, antiskid pad; 21, handle; 22, antiskid sleeve; 23, fixed block. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0032] Please refer to the drawings of the embodiments of the utility model Figure 1 - the drawings of the embodiments of the utility model Figure 3 The utility model provides an embodiment: a kind of anti-fouling device in urea hydrolysis system, including bucket body 1, the rear top of bucket body 1 is fixedly connected with motor 3, the output of motor 3 is fixedly connected with circular gear one 4, the outer wall of circular gear one 4 is engaged with chain 5, the other side of chain 5 is engaged with circular gear two 6, the middle part of circular gear two 6 is fixedly connected with rotating shaft 7, the outer wall middle part of rotating shaft 7 is fixedly connected with conical gear one 8, the outer wall bottom of rotating shaft 7 is fixedly connected with stirring bar one 9, the outer wall top of conical gear one 8 is rotatably connected with support cylinder 10, the outer wall bottom of support cylinder 10 is rotatably connected with rotating shaft rod 11 on left and right sides, the outer wall adjacent side of rotating shaft rod 11 is fixedly connected with conical gear two 12, the outer wall far side of rotating shaft rod 11 is fixedly connected with stirring bar two 13, the left side of bucket body 1 is provided with cleaning mechanism 2, and cleaning mechanism 2 is used for cleaning the inner wall of bucket body 1;
[0033] Specifically, the rear top of bucket body 1 is designed to be fixedly connected with a motor 3, the output end of the motor 3 is fixedly connected with a circular gear one 4, the outer wall of the circular gear one 4 is engaged with a chain 5, the other end of the chain 5 is engaged with a circular gear two 6, the middle part of the circular gear two 6 is fixedly connected with a rotating shaft 7, the outer wall middle part of the rotating shaft 7 is fixedly connected with a conical gear one 8, the outer wall bottom of the rotating shaft 7 is fixedly connected with a stirring bar one 9, the outer wall top of the conical gear one 8 is rotatably connected with a support cylinder 10, the outer wall bottom of the support cylinder 10 is rotatably connected with a rotating shaft rod 11 on left and right sides, the outer wall adjacent side of each rotating shaft rod 11 is fixedly connected with a conical gear two 12, and the outer wall far side of the rotating shaft rod 11 is fixedly connected with a stirring bar two 13.
[0034] Please refer to the drawings of the embodiments of the utility model Figure 2 - the drawings of the embodiments of the utility model Figure 3, the cleaning mechanism 2 comprises a drain pipe 201, the right side of the drain pipe 201 is communicated with the left side bottom of the barrel body 1, which ensures that the liquid can be smoothly discharged from the inside of the barrel body 1, the left side of the drain pipe 201 is communicated with a treatment box 202, the middle part of the treatment box 202 is slidingly connected with a filter screen 203, so as to facilitate the installation and cleaning of the filter screen 203, the top rear side of the treatment box 202 is fixedly connected with a water pump 204, the top of the water pump 204 is communicated with a water delivery pipe 205, the other end of the water delivery pipe 205 is communicated with a water spraying pipe 206, such design makes the liquid can be sprayed through the water spraying pipe 206, the top of the filter screen 203 is fixedly connected with a handle 208, which is convenient for users to grab and move the filter screen 203, the top of the drain pipe 201 is rotatably connected with a valve 207, by adjusting the opening and closing of the valve 207, the discharge amount of the liquid can be controlled;
[0035] Specifically, the right side of the drain pipe 201 is designed to be closely communicated with the left side bottom of the barrel body 1, which ensures that the liquid can be smoothly discharged from the inside of the barrel body 1, the left side of the drain pipe 201 is communicated with a treatment box 202, so that the discharged liquid can flow into the treatment box 202, the middle part of the treatment box 202 is designed with a sliding structure, which allows the filter screen 203 to be slidingly connected in the middle part, so as to facilitate the installation and cleaning of the filter screen 203, the top rear side of the treatment box 202 is fixedly connected with a water pump 204, the water pump 204 is responsible for pumping the liquid in the treatment box 202 to other positions, the top of the water pump 204 is communicated with a water delivery pipe 205, the other end of the water delivery pipe 205 is communicated with a water spraying pipe 206, such design makes the liquid can be sprayed through the water spraying pipe 206, the top of the filter screen 203 is fixedly connected with a handle 208, which is convenient for users to grab and move the filter screen 203, in order to better control the flow of liquid in the drain pipe 201, the top of the drain pipe 201 is rotatably connected with a valve 207, by adjusting the opening and closing of the valve 207, the discharge amount of the liquid can be controlled.
[0036] Please refer to the attached Figure 3 - attached Figure 4 The top front side of the barrel body 1 is rotatably connected with a cover plate 18, which makes the cover plate 18 can be easily opened and closed to adapt to different use requirements, the bottom of the motor 3 is fixedly connected with a fixed block 23, which ensures the stability of the motor 3 during work, the bottom of the barrel body 1 is fixedly connected with support legs 19 around, the bottom of the support leg 19 is fixedly connected with anti-skid pads 20, which can effectively prevent the equipment from sliding when used on hard ground, ensuring the safety of use, the top of the cover plate 18 is fixedly connected with a handle 21, users can easily open or close the cover plate 18 by holding the handle 21, the outer wall of the handle 21 is fixedly connected with an anti-skid sleeve 22, so that users can firmly hold the handle 21 in wet or oily environment, thereby improving the convenience and safety of use;
[0037] Specifically, the top front side of the barrel body 1 is fixedly installed with a cover plate 18 in a rotary connection manner, which facilitates the opening and closing of the cover plate 18 to adapt to different use requirements. The bottom of the motor 3 is stably fixedly connected to a special fixing block 23, which ensures the stability of the motor 3 during operation. To enhance the stability of the equipment, a plurality of support legs 19 are uniformly fixedly connected to the bottom of the barrel body 1. These support legs 19 not only support the weight of the entire equipment, but also prevent the equipment from sliding or toppling during use. To improve safety and comfort during use, an anti-slip pad 20 is fixedly connected to the bottom of each support leg 19. These anti-slip pads 20 can effectively prevent the equipment from sliding when used on hard surfaces, ensuring safety in use. To facilitate user operation, a handle 21 is fixedly connected to the top of the cover plate 18. Users can easily open or close the cover plate 18 by holding the handle 21. To further enhance the user's grip experience, an anti-slip sleeve 22 is fixedly connected to the middle of the outer wall of the handle 21. This design increases the friction of the handle 21, allowing users to firmly hold the handle 21 even in wet or greasy environments, thereby improving the convenience and safety of use.
[0038] Please refer to the attached Figure 3 - attached Figure 5 The top of the barrel body 1 is fixedly connected with a protective shell 14, which can effectively protect the top of the barrel body 1 from damage from external factors. The right middle part of the barrel body 1 is fixedly connected with a nameplate 17, which usually has relevant information of the barrel body 1 marked thereon, facilitating users to understand the basic situation of the barrel body 1. The right front part of the barrel body 1 is fixedly connected with a controller 15, making it more convenient for users to operate the barrel body 1. The right rear part of the barrel body 1 is fixedly connected with a battery 16, which can provide necessary power support for the barrel body 1, ensuring its normal operation.
[0039] Specifically, the top of the barrel body 1 is designed to be fixedly connected with a protective shell 14, which can effectively protect the top of the barrel body 1 from damage from external factors. The right middle part of the barrel body 1 is also designed to be fixedly connected with a nameplate 17, which usually has relevant information of the barrel body 1 marked thereon, facilitating users to understand the basic situation of the barrel body 1. The right front part of the barrel body 1 is also designed to be fixedly connected with a controller 15, which can be used to control the operating state of the barrel body 1, making it more convenient for users to operate the barrel body 1. The right rear part of the barrel body 1 is also designed to be fixedly connected with a battery 16, which can provide necessary power support for the barrel body 1, ensuring its normal operation.
[0040] Working principle: in order to avoid the urea hydrolysis process in the scaling, start motor 3 output power drive circular gear 4 rotation, circular gear 4 rotation drive chain 5 rotation, chain 5 rotation drive circular gear 6 rotation, circular gear 6 rotation drive rotating shaft 7 rotation, rotating shaft 7 rotation drive bevel gear 8 rotation, bevel gear 8 rotation drive stirring bar 9 rotation, to the urea hydrolysis for stirring, while bevel gear 8 rotation drive bevel gear 12 rotation, bevel gear 12 rotation drive rotating shaft rod 11 rotation, rotating shaft rod 11 rotation drive stirring bar 13 rotation further to the urea hydrolysis for stirring, realize to avoid the urea hydrolysis in the scaling, improve the equipment practicability;
[0041] When the urea hydrolysis needs to clean the barrel 1, start water pump 204 will handle the inside storage of water tank 202, through water pipe 205, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water pipe 206, and then through the water
Claims
1. A device for preventing scale formation in a system for producing ammonia by hydrolysis of urea, comprising a barrel (1), characterized in that: The rear top of the barrel body (1) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a circular gear one (4), the outer wall of the circular gear one (4) is meshedly connected with a chain (5), the other side of the chain (5) is meshedly connected with a circular gear two (6), the middle part of the circular gear two (6) is fixedly connected with a rotating shaft (7), the outer wall middle part of the rotating shaft (7) is fixedly connected with a bevel gear one (8), the outer wall bottom of the rotating shaft (7) is fixedly connected with a stirring bar one (9), the outer wall top of the bevel gear one (8) is rotatably connected with a supporting cylinder (10), the outer wall bottom of the supporting cylinder (10) is rotatably connected with a rotating shaft rod (11) on the left and right sides, the outer wall adjacent side of the rotating shaft rod (11) is fixedly connected with a bevel gear two (12), the outer wall far side of the rotating shaft rod (11) is fixedly connected with a stirring bar two (13), the left side of the barrel body (1) is provided with a cleaning mechanism (2), and the cleaning mechanism (2) is used for cleaning the inner wall of the barrel body (1).
2. A device for preventing scale formation in a system for producing ammonia by hydrolysis of urea according to claim 1, characterized in that: The cleaning mechanism (2) comprises a drain pipe (201), the right side of the drain pipe (201) is communicated with the left bottom of the barrel body (1), the left side of the drain pipe (201) is communicated with a treatment box (202), the middle part of the treatment box (202) is slidably connected with a filter screen (203), the top rear side of the treatment box (202) is fixedly connected with a water pump (204), the top of the water pump (204) is communicated with a water delivery pipe (205), and the other end of the water delivery pipe (205) is communicated with a water spraying pipe (206).
3. A device for preventing scale formation in a system for producing ammonia by hydrolysis of urea according to claim 2, characterized in that: The top of the filter screen (203) is fixedly connected with a handle (208), and the top of the drain pipe (201) is rotatably connected with a valve (207).
4. The anti-fouling device for a urea hydrolysis system of claim 1, wherein: The top of the barrel body (1) is fixedly connected with a protective shell (14), and the right middle part of the barrel body (1) is fixedly connected with a nameplate (17).
5. A device for preventing scale formation in a system for producing ammonia by hydrolysis of urea according to claim 1, characterized in that: The right front side of the barrel body (1) is fixedly connected with a controller (15), and the right rear side of the barrel body (1) is fixedly connected with a storage battery (16).
6. A device for preventing scale formation in a system for producing ammonia by hydrolysis of urea according to claim 1, characterized in that: The top front side of the barrel body (1) is rotatably connected with a cover plate (18), and the bottom of the motor (3) is fixedly connected with a fixed block (23).
7. The anti-fouling device for a urea hydrolysis system of claim 1, wherein: The bottom of the barrel body (1) is fixedly connected with supporting legs (19) around, and the bottom of the supporting leg (19) is fixedly connected with an antiskid pad (20).
8. The anti-fouling device for a urea hydrolysis system of claim 6, wherein: The top of the cover plate (18) is fixedly connected with a handle (21), and the outer wall middle part of the handle (21) is fixedly connected with an antiskid sleeve (22).