Energy-saving and emission-reducing calcium hydroxide production device

Abstract

The utility model relates to the technical field of chemical production equipment, and provides an energy-saving and emission-reducing calcium hydroxide production device which comprises production equipment, a stirring assembly is arranged in the production equipment, a water spraying structure is arranged on one side of the top of the production equipment, and an energy-saving structure is arranged on one side of the production equipment. The energy-saving structure comprises a water tank arranged on one side of the production equipment. According to the utility model, through the arrangement of the energy-saving structure, under the action of heat exchange between cold water in the water tank and hot air in the shunting air pipe, heat generated in the calcium hydroxide production process can be recycled, the cold water in the water tank is preheated, and then the preheated water is conveyed to the spraying system, so that the reaction efficiency can be improved; the overall energy consumption is reduced, the device has the function of facilitating energy conservation, and the working efficiency and the environmental protection property of the energy-saving and emission-reducing calcium hydroxide production device during use are improved.

Description

Technical Field

[0001] This utility model relates to the field of chemical production equipment technology, and in particular to an energy-saving and emission-reducing calcium hydroxide production device. Background Technology

[0002] Calcium hydroxide is an important inorganic chemical widely used in environmental protection, chemical industry, building materials, metallurgy, food and medicine. The high energy consumption and high emissions in the traditional calcium hydroxide production process have become key factors restricting the sustainable development of the industry. Therefore, it is necessary to design an energy-saving and emission-reducing calcium hydroxide production device.

[0003] To address this, patent CN206799450U discloses an energy-saving and emission-reducing calcium hydroxide production device, including a calcining kiln and a digestion machine. The digestion machine comprises a primary digestion machine and a secondary digestion machine. The primary digestion machine is equipped with a circulating water jacket, which utilizes the waste heat from the calcining kiln gas to heat water. The hot water reacts with calcium oxide to improve the reaction efficiency. The heat generated by the digestion reaction continues to heat the water in the circulating water jacket, forming a heat recycling process. The secondary digestion machine further promotes the digestion reaction, pulverizes the calcium hydroxide solid, and solids that meet the particle size requirements enter the collection chamber, while larger solids enter the rotary drum for grinding, resulting in calcium hydroxide with good particle size uniformity. A kiln cavity is set at the top of the calcining kiln to maintain the temperature stability of the calcining kiln, shorten the distance between the gas outlet and the dust removal chamber, and reduce heat loss. This utility model has a high waste heat recovery rate, reduces environmental pollution, and produces products with stable quality, making it suitable for widespread use.

[0004] Although the energy-saving and emission-reducing calcium hydroxide production device mentioned above can reduce environmental pollution during use, it generates a large amount of heat during the calcium hydroxide production process, which is inconvenient to process and recover. Therefore, it is necessary to design an energy-saving and emission-reducing calcium hydroxide production device. Utility Model Content

[0005] The purpose of this invention is to provide an energy-saving and emission-reducing calcium hydroxide production device to solve the problem that existing calcium hydroxide production devices generate a large amount of heat during the calcium hydroxide production process, which is inconvenient to process and recover.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an energy-saving and emission-reducing calcium hydroxide production device, including production equipment;

[0007] The production equipment is equipped with a stirring assembly inside, and a water spray structure is provided on one side of the top of the production equipment;

[0008] An energy-saving structure is provided on one side of the production equipment. The energy-saving structure includes a water tank located on one side of the production equipment. A cover plate is provided on the top of the water tank. Diverting air pipes are evenly arranged inside the water tank. A central pipe is fixed at both ends of the diverting air pipes. An air outlet pipe is fixed on one side of the top of the water tank, and an air inlet pipe is fixed on the other side of the top of the water tank.

[0009] A water inlet pipe is fixed to one side of the top of the water tank.

[0010] Furthermore, the production equipment includes a production box, an inner cavity, a cover, a feed hopper, and a discharge pipe. The production box has an inner cavity, a cover is provided at the top of the production box, a feed hopper is fixed to one side of the cover, and a discharge pipe is fixed to one side of the bottom of the production box.

[0011] Furthermore, the stirring assembly includes a stirring shaft, stirring rods, and a drive motor. The stirring shaft is disposed inside the inner cavity, and stirring rods are uniformly fixed on the outer wall of the stirring shaft. The drive motor is fixedly installed on the top of the cover.

[0012] Furthermore, the top end of the stirring shaft extends to the outside of the cover and is fixedly connected to the output end of the drive motor, and the stirring rods are symmetrically distributed on both sides of the stirring shaft.

[0013] Furthermore, the water spray structure includes an inlet pipe, a diversion pipe, a nozzle, and a delivery pipe. The inlet pipe is fixed to one side of the top of the cover, one end of the inlet pipe extends into the interior of the production box and is fixed with a diversion pipe, the bottom end of the diversion pipe is evenly fixed with nozzles, and the delivery pipe is fixed to one side of the bottom of the water tank.

[0014] Furthermore, the end of the inlet pipe away from the branch pipe extends into the interior of the delivery pipe and is fixedly connected to the delivery pipe. The nozzles are evenly distributed at the bottom of the branch pipe, and each nozzle is equipped with a valve.

[0015] Furthermore, one end of both the air outlet pipe and the air inlet pipe is fixedly connected to the central pipe, and the diversion pipes are evenly distributed inside the water tank.

[0016] Furthermore, the main view cross-section of the diversion tube is "S" shaped.

[0017] The present invention provides an energy-saving and emission-reducing calcium hydroxide production device, the advantages of which are:

[0018] By incorporating an energy-saving structure, the heat generated during the production of calcium hydroxide can be recovered and utilized through heat exchange between the cold water inside the water tank and the hot air inside the gas distribution pipe. The cold water inside the water tank is preheated and then sent to the spray system, which can improve reaction efficiency and reduce overall energy consumption. The S-shaped gas distribution pipe can extend the residence time of the exhaust gas and improve heat exchange efficiency. This device has an energy-saving function and improves the working efficiency and environmental friendliness of the energy-saving and emission-reducing calcium hydroxide production device during use.

[0019] By incorporating a stirring assembly, the stirring shaft and stirring rod mechanically mix calcium oxide and water, accelerating the digestion reaction and preventing local overheating or clumping. This allows the device to stir calcium oxide and water, improving the convenience and efficiency of the energy-saving and emission-reducing calcium hydroxide production device during use.

[0020] By incorporating a water spray structure, water is evenly sprayed through nozzles, preventing excessive water addition that could cause a sudden drop in reaction heat or wastewater generation, thus improving water resource utilization. The spray water entering the inner cavity absorbs and digests the heat released by the reaction through an energy-saving structure, ensuring that the spray water entering the inner cavity is warm or hot water, which can improve reaction efficiency. This gives the device the function of accelerating the reaction and improves the working efficiency of this energy-saving and emission-reducing calcium hydroxide production device during use. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0023] Figure 3 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;

[0024] Figure 4 This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention;

[0025] Figure 5 This is a top-view cross-sectional three-dimensional structural diagram of the present invention.

[0026] The following are the annotations in the diagram: 1. Production equipment; 11. Production box; 12. Inner cavity; 13. Cover; 14. Feed hopper; 15. Discharge pipe; 2. Mixing assembly; 21. Mixing shaft; 22. Mixing rod; 23. Drive motor; 3. Water spray structure; 31. Water inlet pipe; 32. Diverter pipe; 33. Nozzle; 34. Water delivery pipe; 4. Energy-saving structure; 41. Cover plate; 42. Water tank; 43. Air outlet pipe; 44. Centralized pipe; 45. Diverter pipe; 46. Air inlet pipe; 5. Water supply pipe. Detailed Implementation

[0027] 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.

[0028] Please see Figures 1-5 The present invention provides an energy-saving and emission-reducing calcium hydroxide production device, including production equipment 1.

[0029] Reference Figures 1-5 The production equipment 1 includes a production box 11, an inner cavity 12, a cover 13, a feed hopper 14, and a discharge pipe 15. The production box 11 has an inner cavity 12 inside. The top of the production box 11 is provided with a cover 13. The feed hopper 14 is fixed to one side inside the cover 13. The discharge pipe 15 is fixed to one side at the bottom of the production box 11. The production equipment 1 is provided with a stirring assembly 2. The stirring assembly 2 includes a stirring shaft 21, stirring rods 22, and a drive motor 23. The stirring shaft 21 is located inside the inner cavity 12. The stirring rods 22 are evenly fixed on the outer wall of the stirring shaft 21. The drive motor 23 is fixedly installed on the top of the cover 13. The top of the stirring shaft 21 extends to the outside of the cover 13 and is fixedly connected to the output end of the drive motor 23. The stirring rods 22 are symmetrically distributed on both sides of the stirring shaft 21.

[0030] When an external power source is connected and the drive motor 23 is started, the drive motor 23 will drive the stirring shaft 21 to rotate, and the symmetrically distributed stirring rods 22 fixed on the shaft will shear and mix the reactants.

[0031] Reference Figures 1-5 A water spray structure 3 is provided on one side of the top of the production equipment 1. The water spray structure 3 includes an inlet pipe 31, a diversion pipe 32, a nozzle 33, and a delivery pipe 34. The inlet pipe 31 is fixed to one side of the top of the cover 13. One end of the inlet pipe 31 extends into the interior of the production box 11 and is fixed with the diversion pipe 32. The nozzles 33 are evenly fixed at the bottom of the diversion pipe 32. The delivery pipe 34 is fixed to one side of the bottom of the water tank 42. The end of the inlet pipe 31 away from the diversion pipe 32 extends into the interior of the delivery pipe 34 and is fixedly connected to the delivery pipe 34. The nozzles 33 are evenly distributed at the bottom of the diversion pipe 32. Each nozzle 33 is equipped with a valve.

[0032] An external power supply is used. Water inside the water tank 42 enters the inlet pipe 31 through the water supply pipe 34, and then is evenly delivered to the nozzles 33 through the diversion pipe 32. The nozzles 33, which are evenly distributed, can atomize the water and spray it into the inner cavity 12. The nozzles 33 are equipped with valves, and the water spray volume of the nozzles 33 can be adjusted in real time according to the reaction situation.

[0033] Reference Figures 1-5 An energy-saving structure 4 is provided on one side of the production equipment 1. The energy-saving structure 4 includes a water tank 42 located on one side of the production equipment 1. A cover plate 41 is provided on the top of the water tank 42. Diverting air pipes 45 are evenly arranged inside the water tank 42. A central pipe 44 is fixed to both ends of the diverting air pipes 45. An air outlet pipe 43 is fixed to one side of the top of the water tank 42. An air inlet pipe 46 is fixed to the other side of the top of the water tank 42. One end of the air outlet pipe 43 and the air inlet pipe 46 are fixedly connected to the central pipe 44. The diverting air pipes 45 are evenly distributed inside the water tank 42. The main view section of the diverting air pipes 45 is "S" shaped. A water filling pipe 5 is fixed to one side of the top of the water tank 42.

[0034] High-temperature exhaust gas enters the S-shaped diversion pipe 45 inside the water tank 42 through the air inlet pipe 46, and indirectly exchanges heat with the cold water inside the water tank 42. The heated water is supplied to the water inlet pipe 31 through the water supply pipe 34. The exhaust gas is collected together through the central pipe 44. A gas treatment box can be connected to one end of the central pipe 44 to purify the gas after heat exchange before it is discharged, thus realizing the coordinated management of "heat energy-water resources-exhaust gas".

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An energy-saving and emission-reducing calcium hydroxide production device, comprising production equipment (1); Its features are: The production equipment (1) is equipped with a stirring assembly (2) inside, and a water spray structure (3) is provided on one side of the top of the production equipment (1); An energy-saving structure (4) is provided on one side of the production equipment (1). The energy-saving structure (4) includes a water tank (42) provided on one side of the production equipment (1). A cover plate (41) is provided on the top of the water tank (42). A diversion air pipe (45) is evenly arranged inside the water tank (42). A central pipe (44) is fixed at both ends of the diversion air pipe (45). An air outlet pipe (43) is fixed on one side of the top of the water tank (42). An air inlet pipe (46) is fixed on the other side of the top of the water tank (42). A water inlet pipe (5) is fixed to one side of the top of the water tank (42).

2. The energy-saving and emission-reducing calcium hydroxide production device according to claim 1, characterized in that: The production equipment (1) includes a production box (11), an inner cavity (12), a cover (13), a feed hopper (14), and a discharge pipe (15). The production box (11) has an inner cavity (12) inside. The top of the production box (11) is provided with a cover (13). The feed hopper (14) is fixed to one side inside the cover (13). The discharge pipe (15) is fixed to one side at the bottom of the production box (11).

3. The energy-saving and emission-reducing calcium hydroxide production device according to claim 1, characterized in that: The stirring assembly (2) includes a stirring shaft (21), a stirring rod (22) and a drive motor (23). The stirring shaft (21) is located inside the inner cavity (12). The stirring rod (22) is uniformly fixed on the outer wall of the stirring shaft (21). The drive motor (23) is fixedly installed on the top of the cover (13).

4. The energy-saving and emission-reducing calcium hydroxide production device according to claim 3, characterized in that: The top end of the stirring shaft (21) extends to the outside of the cover (13) and is fixedly connected to the output end of the drive motor (23). The stirring rods (22) are symmetrically distributed on both sides of the stirring shaft (21).

5. The energy-saving and emission-reducing calcium hydroxide production device according to claim 1, characterized in that: The water spray structure (3) includes an inlet pipe (31), a diversion pipe (32), a nozzle (33), and a delivery pipe (34). The inlet pipe (31) is fixed to one side of the top of the cover (13). One end of the inlet pipe (31) extends into the interior of the production box (11) and is fixed with the diversion pipe (32). The nozzle (33) is evenly fixed at the bottom of the diversion pipe (32). The delivery pipe (34) is fixed to one side of the bottom of the water tank (42).

6. The energy-saving and emission-reducing calcium hydroxide production device according to claim 5, characterized in that: The end of the inlet pipe (31) away from the branch pipe (32) extends into the interior of the water supply pipe (34) and is fixedly connected to the water supply pipe (34). The nozzles (33) are evenly distributed at the bottom of the branch pipe (32), and each nozzle (33) is equipped with a valve.

7. The energy-saving and emission-reducing calcium hydroxide production device according to claim 1, characterized in that: One end of the air outlet pipe (43) and the air inlet pipe (46) are fixedly connected to the central pipe (44), and the diversion pipes (45) are evenly distributed inside the water tank (42).

8. The energy-saving and emission-reducing calcium hydroxide production device according to claim 1, characterized in that: The main view of the shunt tube (45) is "S" shaped.

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