Energy-saving production device for urea-based compound fertilizer
By using a combination of multi-stage steam nozzle, insulation layer and steam regulating valve in the energy-saving production device of urine-based composite fertilizer, the problem of high energy consumption during the granulation process of traditional devices is solved, and more efficient steam use and lower energy consumption are achieved.
Patent Information
- Application Number
- CN202421327757.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The traditional urine-based composite fertilizer energy-saving production device requires a large amount of water vapor during the granulation process, resulting in large energy consumption and large loads in subsequent drying and cooling processes.
The combination of multi-stage steam nozzle, insulation layer and steam regulating valve is adopted. During granulation, the granulation drum is inputted through the multi-stage steam nozzle, and the steam pressure and flow rate are accurately controlled through the steam regulating valve to reduce steam consumption.
By precisely controlling the use of steam, the steam consumption during the granulation process is significantly reduced, energy consumption is reduced, and the load of subsequent drying processes is reduced, improving the energy-saving and environmentally friendly performance of the device.
Smart Images
Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fertilizer production, in particular to an energy-saving production device for urea-based compound fertilizer. Background Art
[0002] Urea-based compound fertilizer energy-saving production device is a compound fertilizer produced by secondary processing with urea as the main nitrogen source and basic fertilizers such as ammonium chloride, potassium chloride, and ammonium phosphate as raw materials. It contains multiple nutrients required for crop growth, which can enable crops to absorb nutrients in a balanced manner and has a better agricultural production increase effect than single fertilizers; and urea-based compound fertilizer energy-saving production device is a neutral fertilizer with strong adaptability to soil and crops and easy application.
[0003] The drum granulation production method commonly used in the energy-saving production device of urea-based compound fertilizer is the granulation method. In this method, the viscosity of the material is the key factor affecting granulation. The traditional drum method mainly uses the viscosity of ammonium phosphate and conditioners (mainly ammonium carbonate and clay) to humidify and heat the raw materials through water vapor to form a viscous material. The cohesive particles are rolled with the help of the external force of the drum, and the particles are squeezed against each other to make them compact. In order to meet the needs of granulation, a large amount of water vapor is required, which consumes a lot of energy, and the subsequent drying and cooling processes are also under heavy load. Utility Model Content
[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.
[0005] To this end, one purpose of the utility model is to provide an energy-saving production device for urea-based compound fertilizer to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.
[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides an energy-saving production device for urea-based compound fertilizer, comprising a melting tank, a bracket, and a motor, wherein the top of the melting tank is fixedly connected with the bracket, and the top of the bracket is equipped with a motor;
[0007] The output end of the motor is fixedly connected to a stirring rod, the two sides of the melting tank are respectively fixedly connected to a first feeding port and a second feeding port, and the interior of the melting tank is fixedly connected to a heating pipe;
[0008] The portion of the heating pipe inside the melting tank is spiral, the output end of the melting tank is fixedly connected to a slurry pipe, the end of the slurry pipe is fixedly connected to a granulation drum, the output end of the granulation drum is fixedly connected to a steam nozzle, and the outer surface of the steam nozzle is fixedly connected to a heat preservation layer;
[0009] The steam spray pipe is divided into multiple stages, and a steam regulating valve is provided at the connection of each stage of the steam spray pipe;
[0010] A temperature controller is installed on the outer surface of the melting tank.
[0011] Preferably, any of the above schemes is that the melting tank is made of stainless steel, and a plurality of groups of stirring blades are fixedly connected to the outer surface of the stirring rod.
[0012] Adopting the above technical solution: this device is specially used for the production and granulation of urea-based compound fertilizer.
[0013] Preferably, any of the above schemes is that the first feeding port and the second feeding port are both connected to the inside of the melting tank, and steam is introduced into the heating pipe.
[0014] The above technical scheme is adopted: the ingredients, nitrogen, phosphorus, potassium raw materials and auxiliary materials are measured by weighing belts according to the designed formula and then merged into the summing belt, and then sent to the crusher for crushing; the second step is the melting tank ingredient preparation, according to the designed formula, urea and magnesium sulfate are measured and respectively put into the melting tank through the first feeding port and the second feeding port, steam is introduced into the heating pipe, and the motor is started at the same time, the stirring blade rotates, urea and magnesium sulfate become liquid, and the temperature controller controls the temperature in the melting tank at a certain value; the third step is granulation, the mixed material is sent into the granulation drum, the steam is input into the granulation drum through the multi-stage steam nozzle, and the steam is sprayed to the material, and at the same time, the flow pump is started to spray the slurry in the melting tank into the mixed material, and under the action of the drum, the material agglomerates into particles; the fourth step is after granulation, it is dried, cooled, screened and packaged to obtain the finished compound fertilizer.
[0015] Preferably, in any of the above schemes, the steam nozzle is made of stainless steel, and the steam nozzle is connected to the interior of the granulation drum.
[0016] Adopting the above technical scheme: the core structure of this device is: multi-stage steam nozzle, insulation layer, steam regulating valve. During granulation, the mixed material is fed into the granulation drum, steam is input into the granulation drum through the multi-stage steam nozzle, and the steam is sprayed onto the material. At the same time, the flow pump is started to spray the slurry in the molten tank into the mixed material. Under the action of the drum, the material agglomerates into particles. The steam enters the granulation drum through the multi-stage steam nozzle. The whole conveying process is divided into several stages, and each stage is provided with a steam regulating valve. In each level of the conveying mechanism, the steam pressure and flow are precisely controlled to ensure that the steam enters the next level of the mechanism in the best state. Specifically, steam regulating valves are set at the inlet and outlet of each level of the conveying pipeline. The pressure sensor monitors the pressure changes of the steam in real time and feeds the data back to the control system. The control system accurately adjusts the steam through the regulating valve according to the preset pressure and flow requirements, so as to reduce the steam consumption in the granulation process;
[0017] At the same time, the steam nozzle is made of stainless steel, and the insulation layer on its outer surface is made of rock wool, which has a low thermal conductivity, can reduce heat loss, improve the working efficiency of steam, and thus reduce the amount of steam used. Therefore, this device is more energy-saving and environmentally friendly.
[0018] Preferably, in any of the above schemes, the material of the thermal insulation layer is rock wool, and the thermal insulation layer is bonded to the outer surface of the steam nozzle.
[0019] Preferably, any of the above solutions is that a pressure sensor is integrated on the steam regulating valve.
[0020] Compared with the prior art, the advantages and beneficial effects of the utility model are:
[0021] The energy-saving production device of urea-based compound fertilizer is equipped with a multi-stage steam nozzle, a heat-insulating layer, and a steam regulating valve. During granulation, the mixed material is fed into the granulation drum, and the steam is input into the granulation drum through the multi-stage steam nozzle, and the steam is sprayed toward the material. At the same time, the flow pump is started to spray the slurry in the melting tank into the mixed material. Under the action of the drum, the material is agglomerated into particles. The steam enters the granulation drum through the multi-stage steam nozzle. The entire conveying process is divided into several stages, and each stage is provided with a steam regulating valve. In each level of the conveying mechanism, the pressure and flow of the steam are precisely controlled to ensure that the steam enters the next level of the mechanism in the best state. Specifically, a steam regulating valve is provided at the inlet and outlet of each level of the conveying pipeline, and a pressure sensor is integrated thereon. The pressure sensor monitors the pressure change of the steam in real time and feeds the data back to the control system. The control system precisely adjusts the steam through the regulating valve according to the preset pressure and flow requirements, so as to reduce the steam consumption in the granulation process;
[0022] At the same time, the steam nozzle is made of stainless steel, and the insulation layer on its outer surface is made of rock wool, which has a low thermal conductivity, can reduce heat loss, improve the working efficiency of steam, and thus reduce the amount of steam used. Therefore, this device is more energy-saving and the subsequent drying process has a smaller load.
[0023] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0025] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;
[0026] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;
[0027] Figure 3 It is a front view structural schematic diagram of the utility model.
[0028] In the figure: 1-melting tank, 2-bracket, 3-motor, 4-stirring rod, 5-first feeding port, 6-second feeding port, 7-heating pipe, 8-slurry pipe, 9-granulating drum, 10-steam nozzle, 11-insulation layer, 12-steam regulating valve, 13-temperature controller, 14-flow pump. DETAILED DESCRIPTION
[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0030] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0031] like Figure 1-3 As shown, the energy-saving production device of urea-based compound fertilizer includes a melting tank 1, a bracket 2, and a motor 3. The top of the melting tank 1 is fixedly connected with the bracket 2, and the top of the bracket 2 is installed with the motor 3;
[0032] The output end of the motor 3 is fixedly connected with a stirring rod 4, the two sides of the melting tank 1 are respectively fixedly connected with a first feeding port 5 and a second feeding port 6, and the interior of the melting tank 1 is fixedly connected with a heating pipe 7;
[0033] The portion of the heating pipe 7 inside the melting tank 1 is spiral, the output end of the melting tank 1 is fixedly connected to a slurry pipe 8, the end of the slurry pipe 8 is fixedly connected to a granulation drum 9, the output end of the granulation drum 9 is fixedly connected to a steam nozzle 10, and the outer surface of the steam nozzle 10 is fixedly connected to a heat preservation layer 11;
[0034] The steam nozzle 10 is divided into multiple stages, and a steam regulating valve 12 is provided at the connection of each stage of the steam nozzle 10;
[0035] A temperature controller 13 is installed on the outer surface of the melting tank 1 .
[0036] Embodiment 1: The melting tank 1 is made of stainless steel, and a plurality of stirring blades are fixedly connected to the outer surface of the stirring rod 4. This device is specially used for the production and granulation of urea-based compound fertilizer. The first feeding port 5 and the second feeding port 6 are both connected to the inside of the melting tank 1, and steam is introduced into the heating pipe 7. The steam nozzle 10 is made of stainless steel, and the steam nozzle 10 is connected to the inside of the granulation drum 9.
[0037] Embodiment 2: The material of the insulation layer 11 is rock wool, and the insulation layer 11 is bonded to the outer surface of the steam nozzle 10. A pressure sensor is integrated on the steam regulating valve 12. The steam nozzle 10 is made of stainless steel, and the insulation layer 11 on its outer surface is made of rock wool, which has a low thermal conductivity, can reduce heat loss, improve the working efficiency of steam, and thus reduce the amount of steam used, so the device is more energy-saving and environmentally friendly.
[0038] The working principle of the utility model is as follows:
[0039] Ingredients: nitrogen, phosphorus, potassium raw materials and auxiliary materials are measured by weighing belts according to the designed formula and then fed into the summing belt, and then sent to the crusher for crushing; the second step is the ingredients in the melting tank 1. According to the designed formula, urea and magnesium sulfate are measured and fed into the melting tank 1 through the first feeding port 5 and the second feeding port 6 respectively. Steam is introduced into the heating tube 7, and the motor 3 is started at the same time. The stirring blade rotates, urea and magnesium sulfate become liquid, and the temperature controller 13 controls the temperature in the melting tank 1 at a certain value; the third step is granulation, the mixed material is sent into the granulation drum 9, and the steam is input into the granulation drum 9 through the multi-stage steam nozzle 10, and the steam is sprayed to the material. At the same time, the flow pump 14 is started to spray the slurry in the melting tank 1 into the mixed material. Under the action of the drum, the material agglomerates into particles; the fourth step is granulation, and the finished compound fertilizer is obtained after drying, cooling, screening and packaging.
[0040] Compared with the prior art, the present invention has the following beneficial effects:
[0041] The energy-saving production device of urea-based compound fertilizer is equipped with a multi-stage steam nozzle 10, an insulation layer 11, and a steam regulating valve 12. During granulation, the mixed material is fed into the granulation drum 9, and the steam is input into the granulation drum 9 through the multi-stage steam nozzle 10, and the steam is sprayed toward the material. At the same time, the flow pump 14 is started to spray the slurry in the melting tank 1 into the mixed material. Under the action of the drum, the material is agglomerated into particles. The steam enters the granulation drum 9 through the multi-stage steam nozzle 10. The entire conveying process is divided into several stages, and each stage is provided with a steam regulating valve. In each level of the conveying mechanism, the pressure and flow of the steam are precisely controlled to ensure that the steam enters the next level of the mechanism in the best state. Specifically, a steam regulating valve 12 is provided at the inlet and outlet of each level of the conveying pipeline. The pressure sensor monitors the pressure change of the steam in real time and feeds the data back to the control system. The control system precisely adjusts the steam through the regulating valve according to the preset pressure and flow requirements, so as to reduce the steam consumption in the granulation process;
[0042] At the same time, the steam nozzle 10 is made of stainless steel, and the insulation layer 11 on its outer surface is made of rock wool, which has a low thermal conductivity, can reduce heat loss, improve the working efficiency of steam, and thus reduce the amount of steam used. Therefore, the device is more energy-saving and environmentally friendly.
Claims
1. A urea-based compound fertilizer energy-saving production device, characterized in that: It comprises a melting tank (1), a bracket (2), and a motor (3); the top of the melting tank (1) is fixedly connected to the bracket (2), and the top of the bracket (2) is equipped with the motor (3); The output end of the motor (3) is fixedly connected to a stirring rod (4), the two sides of the melting tank (1) are respectively fixedly connected to a first feeding port (5) and a second feeding port (6), and the interior of the melting tank (1) is fixedly connected to a heating pipe (7); The portion of the heating pipe (7) inside the melting tank (1) is spiral-shaped, the output end of the melting tank (1) is fixedly connected to a slurry pipe (8), the end of the slurry pipe (8) is fixedly connected to a granulation drum (9), the output end of the granulation drum (9) is fixedly connected to a steam nozzle (10), and the outer surface of the steam nozzle (10) is fixedly connected to a heat-insulating layer (11); The steam spray pipe (10) is divided into multiple stages, and a steam regulating valve (12) is provided at the connection of each stage of the steam spray pipe (10); a temperature controller (13) is installed on the outer surface of the melting tank (1); The slurry pipe (8) is integrated with a flow pump (14).
2. The energy-saving production device for urea-based compound fertilizer according to claim 1, characterized in that: The melting tank (1) is made of stainless steel, and the outer surface of the stirring rod (4) is fixedly connected with a plurality of groups of stirring blades.
3. The energy-saving production device for urea-based compound fertilizer according to claim 2, characterized in that: The first feeding port (5) and the second feeding port (6) are both connected to the interior of the melting tank (1), and steam is introduced into the heating pipe (7).
4. The energy-saving production device for urea-based compound fertilizer according to claim 3, characterized in that: The steam spray pipe (10) is made of stainless steel and is connected to the interior of the granulation drum (9).
5. The energy-saving production device for urea-based compound fertilizer according to claim 4, characterized in that: The material of the thermal insulation layer (11) is rock wool, and the thermal insulation layer (11) is bonded to the outer surface of the steam nozzle (10).
6. The energy-saving production device for urea-based compound fertilizer according to claim 5, characterized in that: The steam regulating valve (12) is integrated with a pressure sensor.