Separation and purification equipment for producing potassium nitrate
By adopting a combination structure of heating base and arc-shaped heating side plate in potassium nitrate production equipment, the problem of uneven heating is solved, and uniform heating and efficient purification of potassium nitrate solution are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-03
Smart Images

Figure CN224071175U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of potassium nitrate production technology, specifically to a separation and purification device for potassium nitrate production. Background Technology
[0002] Potassium nitrate is a colorless, transparent orthorhombic or rhombic crystal or white powder. It has minimal hygroscopicity in air, does not easily clump, and is readily soluble in water, with its solubility increasing rapidly with increasing temperature. Potassium nitrate is a strong oxidizing agent and an important chemical raw material, widely used in industry, agriculture, food additives, pharmaceuticals, and electronics. Potassium nitrate production requires a purification process, which involves separation. A Chinese utility model patent (application number CN202222724472.4) entitled "A Separation and Purification Equipment for Potassium Nitrate Production" uses a disassembly mechanism to facilitate the disassembly of the stirring shaft, allowing for easy handling of the beaker and convenient mixing of the raw material with pure water, thus replacing the inconvenience of manual stirring and accelerating the mixing process. However, this patent only heats the bottom of the beaker when heating the potassium nitrate solution, resulting in low heating efficiency and uneven heating, reducing the evaporation and purification efficiency of the potassium nitrate solution. Utility Model Content
[0003] In order to overcome the problems existing in the background art, this utility model provides a separation and purification device for the production of potassium nitrate, so as to solve the technical problems of uneven heating and low heating efficiency when heating potassium nitrate in the background art.
[0004] To achieve the above objectives, this utility model is implemented through the following technical solution:
[0005] A separation and purification device for producing potassium nitrate includes a support base 1, a housing 2, and a heating device 3. The housing 2 is fixedly mounted on the support base 1, and the heating device 3 is installed inside the housing 2. The heating device 3 includes a heating base 31 and two symmetrical arc-shaped heating side plates 32. The heating base 31 is installed at the bottom of the housing 2, and the heating side plates 32 are movable on both sides of the heating base 31 by a driving mechanism 4 provided on both sides of the housing 2. A heating space with an open top is formed between the two heating side plates 32 and the heating base 31 for placing a potassium nitrate solution beaker 6.
[0006] Preferably, the drive mechanism 4 includes a telescopic rod 41, a lead screw 42, a motor 43, and a slide groove 44; the telescopic rod 41 is slidably installed on the side wall of the housing 2, and the end of the telescopic rod 41 is connected to the side wall of the heating side plate 32; the lead screw 42 is threadedly connected to the telescopic rod 41 at the outer end of the housing 2, and the lead screw 42 is drively connected to the motor 43 installed on the support base 1; the slide groove 44 is provided at the bottom of the housing 2, and a slider 45 is fixedly provided at the bottom of the heating side plate 32 and slidably installed in the slide groove 44.
[0007] Preferably, a heating wire 5 is installed in the internal interlayer of the heating base 31 and the heating side plate 32.
[0008] Preferably, the front side of the box body 2 is provided with a box door 21 that is easy to open.
[0009] The beneficial effects of this utility model are: by setting a heating base and a heating side plate, this utility model can simultaneously heat the bottom and side walls of the potassium nitrate solution beaker, thereby making the potassium nitrate solution heat evenly and with high heating efficiency, which can improve the efficiency of potassium nitrate separation and purification; at the same time, the heating side plate can move to both sides through a driving mechanism, which facilitates the placement, heating and removal of the beaker. Attached Figure Description
[0010] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0011] Figure 2 This is a schematic diagram of the heating device.
[0012] Figure 3 This is a schematic diagram of the drive mechanism.
[0013] Figure 4 This is a schematic diagram of the cross-sectional structure of the heating wire. Detailed Implementation
[0014] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.
[0015] like Figure 1-4As shown, this utility model provides a separation and purification device for producing potassium nitrate, including a support base 1, a housing 2, and a heating device 3; the housing 2 is fixedly mounted on the support base 1, and the heating device 3 is installed inside the housing 2; the heating device 3 includes a heating base 31 and two symmetrical arc-shaped heating side plates 32. The heating base 31 is installed at the bottom inside the housing 2, and the heating side plates 32 are movable on both sides of the heating base 31 by a driving mechanism 4 provided on both sides inside the housing 2. A heating space with an open top is formed between the two heating side plates 32 and the heating base 31 for placing a potassium nitrate solution beaker 6. Before use, the heating side plates 32 are moved to both sides by the drive mechanism 4, making it easy to place the beaker 6 containing potassium nitrate solution on the heating base 31. Then, the heating side plates 32 on both sides are moved to close and cover the sides of the beaker 6, so that the bottom and side walls of the potassium nitrate solution beaker 6 can be heated, so that the potassium nitrate solution is heated evenly and the heating efficiency is high, which can improve the efficiency of potassium nitrate separation and purification. After separation and purification, the heating side plates 32 can be moved to both sides by the drive mechanism 4, so that the beaker 6 can be taken out.
[0016] The driving mechanism 4 includes a telescopic rod 41, a lead screw 42, a motor 43, and a sliding groove 44. The telescopic rod 41 is slidably installed on the side wall of the housing 2, and its end is connected to the side wall of the heating side plate 32. The lead screw 42 is threadedly connected to the telescopic rod 41 at its outer end in the housing 2, and is driven by the motor 43 mounted on the support base 1. The sliding groove 44 is located at the bottom of the housing 2, and a slider 45 is fixedly installed at the bottom of the heating side plate 32 and slidably installed in the sliding groove 44. When the heating side plate 32 is moved, the motor 43 drives the lead screw 42 to rotate, and the lead screw 42 rotates threadedly in the telescopic rod 41, thereby driving the telescopic rod 41 to move. The telescopic rod 41 drives the heating side plate 32 to move to both sides. When the heating side plate 32 moves, the slider 45 slides in the sliding groove 44, which supports the movement of the heating side plate 32. The forward and reverse rotation of the motor 43 realizes the closing and opening of the heating side plate 32, thus facilitating the removal and placement of the beaker 6.
[0017] A heating wire 5 is installed in the internal interlayer of the heating base 31 and the heating side plate 32. The potassium nitrate solution in the beaker 6 is heated, evaporated, separated, and purified by the heat generated by the heating wire 5.
[0018] The front of the chamber 2 is provided with an easy-to-open door 21. Closing the door 21 helps to keep the temperature during heating and improves the separation and purification efficiency.
[0019] Work process:
[0020] Before use, the heating side plates 32 are moved to both sides by the drive mechanism 4, making it easy to place the beaker 6 containing potassium nitrate solution on the heating base 31. Then, the heating side plates 32 on both sides are moved to close and cover the sides of the beaker 6, so that the bottom and side walls of the potassium nitrate solution beaker 6 can be heated, so that the potassium nitrate solution is heated evenly and the heating efficiency is high, which can improve the efficiency of potassium nitrate separation and purification. After separation and purification, the heating side plates 32 can be moved to both sides by the drive mechanism 4, so that the beaker 6 can be taken out.
[0021] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.
Claims
1. A separation and purification device for producing potassium nitrate, characterized in that: It includes a support base (1), a box body (2), and a heating device (3); the box body (2) is fixedly mounted on the support base (1), and the heating device (3) is installed inside the box body (2); the heating device (3) includes a heating base (31) and two symmetrical arc-shaped heating side plates (32). The heating base (31) is installed at the bottom inside the box body (2), and the heating side plates (32) are moved and installed on both sides of the heating base (31) by a driving mechanism (4) provided on both sides inside the box body (2). A heating space with an open top is formed between the two heating side plates (32) and the heating base (31) for placing a potassium nitrate solution beaker (6).
2. The separation and purification equipment for producing potassium nitrate according to claim 1, characterized in that: The drive mechanism (4) includes a telescopic rod (41), a lead screw (42), a motor (43), and a slide groove (44). The telescopic rod (41) is slidably installed on the side wall of the housing (2), and the end of the telescopic rod (41) is connected to the side wall of the heating side plate (32). The lead screw (42) and the telescopic rod (41) are threadedly connected at the outer end of the housing (2). The lead screw (42) is connected to the motor (43) installed on the support base (1). The slide groove (44) is set at the bottom of the housing (2), and a slider (45) is fixedly installed at the bottom of the heating side plate (32) and slidably installed in the slide groove (44).
3. A separation and purification device for producing potassium nitrate according to claim 1 or 2, characterized in that: Heating wires (5) are installed in the internal interlayer of the heating base (31) and the heating side plate (32).
4. The separation and purification equipment for producing potassium nitrate according to claim 3, characterized in that: The front of the box (2) is provided with a door (21) that is easy to open.
Citation Information
Patent Citations
Separation and purification equipment for producing potassium nitrate
CN218590286U