Byproduct potassium chloride purification device

Abstract

The utility model relates to a byproduct potassium chloride purification device in the technical field of potassium chloride purification equipment, which comprises a horizontal reaction tank, the reaction tank comprises an upper barrel and a lower barrel, and the bottom of the lower barrel is provided with a drain outlet with a switch valve; a stirring assembly is arranged in the upper barrel and comprises a stirring rod and a stirring paddle, and one end of the stirring rod penetrates through the upper barrel and then is connected with a first motor; a feeding screw is arranged in the lower barrel, one end of the feeding screw penetrates through the lower barrel and then is connected with a second motor, and the sewage draining exit is located at the bottom, corresponding to the discharging end of the feeding screw, of the lower barrel. The reaction kettle disclosed by the utility model is reasonable in structure, and can efficiently and fully mix and stir various materials to improve the reaction rate and the reaction sufficiency; the upper cylinder and the lower cylinder are arranged, so that the precipitation effect can be improved, and the influence of precipitates on the supernate when the supernate is discharged after precipitation is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of potassium chloride purification equipment, and specifically relates to a by-product potassium chloride purification device. Background Art

[0002] Potassium chloride is a colorless, elongated rhombus or cubic crystal, or white crystalline small particle powder, which is the basic raw material for manufacturing various potassium salts or alkalis such as potassium hydroxide, potassium sulfate and potassium nitrate. In order to ensure its purity and quality in production, the by-product potassium chloride usually needs to be purified and purified, and it needs to be added with a variety of solvents for reaction and then precipitated. Patent No. CN 214570787 U discloses a purification device for potassium chloride production, including a base, the top of the base is fixedly installed with two shaking support columns, and the top of the shaking support column on the right side is fixedly installed with a rolling support device, and the rolling support device includes a positioning ring, an annular stabilizing groove, a sliding ring and a perforation. Although the purification device for potassium chloride production can make industrial potassium chloride and solvent mixed in different directions. However, impurities are easy to stick to the inner wall of the reaction chamber, resulting in incomplete discharge of impurities after precipitation. Therefore, a by-product potassium chloride purification device is needed to solve the above technical problems. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the utility model provides a by-product potassium chloride purification device, comprising a horizontal reaction tank, on which a feed inlet and a discharge port are provided; the reaction tank comprises an upper cylinder and a lower cylinder, the bottom of the upper cylinder is fixed and connected to the top of the lower cylinder, the diameter of the upper cylinder is larger than the diameter of the lower cylinder, the feed inlet is located at the top of the upper cylinder, and the bottom of the lower cylinder is provided with a sewage outlet with a switch valve;

[0004] A stirring assembly is provided in the upper cylinder, and the stirring assembly includes a stirring rod and a stirring paddle. The stirring rod is parallel to the central axis of the upper cylinder, and multiple stirring paddles are fixed on the stirring rod. One end of the stirring rod passes through the upper cylinder and is connected to a motor. The stirring assembly can fully stir and mix the materials entering the reaction tank to improve the reaction efficiency.

[0005] A feeding screw is provided in the lower cylinder, the feeding screw is parallel to the central axis of the lower cylinder, one end of the feeding screw passes through the lower cylinder and is connected to a second motor, and the sewage outlet is located at the bottom of the lower cylinder corresponding to the discharge end of the feeding screw. After the material settles, the feeding screw can efficiently transport the sediment in the lower cylinder to the sewage outlet for discharge.

[0006] Preferably, a filter screen is further provided at one end of the reaction tank, the filter screen divides the interior of the reaction tank into a reaction chamber and a filter chamber, the filter screen is perpendicular to the central axis of the upper cylinder and the lower cylinder, one end of the stirring rod is rotatably connected to the filter screen through a bearing, the discharge end of the feeding screw is rotatably connected to the filter screen through a bearing, and the discharge port is located at the bottom of the lower cylinder corresponding to the filter chamber. The filter screen can filter the reaction liquid to prevent impurities from being discharged from the discharge pipe.

[0007] Preferably, a scraper 1 that cooperates with the filter is fixed on the stirring rod, and a scraper 2 that cooperates with the filter is fixed on the feeding screw. The scraper 1 and the scraper 2 can rotate with the stirring rod and the feeding screw respectively, and the filter is cleaned during the rotation to avoid clogging of the filter.

[0008] Preferably, a sealing plate that cooperates with the filter screen is provided in the filter chamber, and the shape of the sealing plate is the same as that of the filter screen. A horizontal telescopic rod is connected to the side of the sealing plate away from the filter screen, and the horizontal telescopic rod is an electric push rod or a hydraulic cylinder or a cylinder. The setting of the sealing plate can block the filter screen during the reaction to ensure that the reaction liquid reacts in the reaction chamber. After the reaction is completed, the material is precipitated, and impurities accumulate at the bottom of the lower cylinder. The horizontal telescopic rod shrinks, and the sealing plate releases the seal on the filter screen. The supernatant enters the filter chamber after being filtered by the filter screen and is discharged from the discharge port.

[0009] Preferably, the stirring paddle includes a scraper rod, which cooperates with the inner wall of the upper cylinder and is connected to the stirring rod through multiple connecting parts. The stirring paddle can clean the inner wall of the upper cylinder while mixing and stirring, thereby preventing impurities generated by the reaction from sticking to the inner wall of the upper cylinder.

[0010] Preferably, the connecting piece includes a connecting rod and a sleeve, one end of the connecting rod is fixedly connected to the stirring rod, the other end of the connecting rod extends into the sleeve, at least two guide grooves are evenly distributed on the side wall of the connecting rod near the end of the sleeve, a slider is slidably arranged in the guide groove, one end of the slider extends out of the guide groove and is fixedly connected to the inner wall of one end of the sleeve, the other end of the sleeve is fixedly connected to the scraper rod, a compression spring is arranged in the sleeve, one end of the compression spring is connected to the scraper rod, and the other end of the compression spring is connected to the connecting rod in the sleeve. This arrangement can ensure that the scraper rod is in reliable contact with the upper cylinder body and the scraping effect is ensured, and at the same time, the hanging rod can maintain effective contact with the inner wall of the upper cylinder body under the action of the compression spring even after being worn.

[0011] The utility model also includes other components that enable a byproduct potassium chloride purification device to be used normally, such as the control components of the motor 1 and the motor 2, the control components of the switch valve, etc., which are conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as the switch valve, etc., all adopt conventional technical means and conventional equipment in the field.

[0012] The beneficial effects of the utility model are as follows: the structure is reasonable, and various materials can be efficiently and fully mixed and stirred to improve the reaction rate and the sufficiency of the reaction; the setting of the upper cylinder and the lower cylinder can improve the precipitation effect and reduce the influence of the precipitate on the supernatant when the supernatant is discharged after precipitation; the setting of the filter screen further ensures the purity of the liquid discharged after the reaction and reduces the discharge of impurities. After the reaction is completed, the cleaning liquid is introduced into the feed port, and the upper cylinder and the lower cylinder can be efficiently cleaned under the action of the scraper rod and the feeding screw rod, which will not affect the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 This is a schematic structural diagram of a by-product potassium chloride purification device in an embodiment of the utility model;

[0015] Figure 2 for Figure 1 The view from the middle BB;

[0016] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0017] In the figure: 1. upper cylinder; 2. feed port; 3. lower cylinder; 4. stirring rod; 5. connecting rod; 6. sleeve; 7. scraper rod; 8. feeding screw; 9. motor 2; 10. motor 1; 11. sewage outlet; 12. discharge port; 13. filter screen; 14. scraper 1; 15. scraper 2; 16. guide groove; 17. slider; 18. compression spring; 19. sealing plate; 20. horizontal telescopic rod. DETAILED DESCRIPTION

[0018] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0019] Example

[0020] like Figure 1-3As shown, the utility model provides a by-product potassium chloride purification device, including a horizontal reaction tank, the reaction tank is provided with a feed port 2 and a discharge port 12; the reaction tank includes an upper cylinder 1 and a lower cylinder 3, the bottom of the upper cylinder 1 is fixed and connected to the top of the lower cylinder 3, the diameter of the upper cylinder 1 is larger than the diameter of the lower cylinder 3, the feed port 2 is located at the top of the upper cylinder 1, and the bottom of the lower cylinder 3 is provided with a sewage outlet 11 with a switch valve;

[0021] A stirring assembly is provided in the upper cylinder 1, and the stirring assembly includes a stirring rod 4 and a stirring paddle. The stirring rod 4 is parallel to the central axis of the upper cylinder 1, and multiple stirring paddles are fixed on the stirring rod 4. One end of the stirring rod 4 passes through the upper cylinder 1 and is connected to a motor 10. The stirring assembly can fully stir and mix the materials entering the reaction tank to improve the reaction efficiency.

[0022] A feeding screw 8 is provided in the lower cylinder 3, and the feeding screw 8 is parallel to the central axis of the lower cylinder 3. One end of the feeding screw 8 passes through the lower cylinder 3 and is connected to a motor 9. The sewage outlet 11 is located at the bottom of the lower cylinder corresponding to the discharge end of the feeding screw 8. After the material is precipitated, the feeding screw 8 can efficiently transport the sediment in the lower cylinder 3 to the sewage outlet 11 for discharge.

[0023] A filter screen 13 is also provided at one end of the reaction tank, and the filter screen 13 divides the interior of the reaction tank into a reaction chamber and a filtering chamber. The filter screen 13 is perpendicular to the central axis of the upper cylinder 1 and the lower cylinder 3. One end of the stirring rod 4 is rotatably connected to the filter screen 13 through a bearing, and the discharge end of the feeding screw 8 is rotatably connected to the filter screen 13 through a bearing. The discharge port 12 is located at the bottom of the lower cylinder 3 corresponding to the filtering chamber. The filter screen 13 can filter the reaction liquid to prevent impurities from being discharged from the discharge pipe.

[0024] The stirring rod 4 is fixed with a scraper 14 matched with the filter 13, and the feeding screw 8 is fixed with a scraper 2 15 matched with the filter 13. The scraper 14 and the scraper 2 15 can rotate with the stirring rod 4 and the feeding screw 8 respectively, and the filter 13 is cleaned during the rotation to prevent the filter 13 from being blocked.

[0025] The filter chamber is provided with a sealing plate 19 that matches the filter screen 13. The shape of the sealing plate 19 is the same as that of the filter screen 13. The side of the sealing plate 19 away from the filter screen 13 is connected with a horizontal telescopic rod 20, which is an electric push rod or a hydraulic cylinder or a cylinder. The setting of the sealing plate 19 can block the filter screen 13 during the reaction to ensure that the reaction liquid reacts in the reaction chamber. After the reaction is completed, the material is precipitated, and impurities are accumulated at the bottom of the lower cylinder 3. The horizontal telescopic rod 20 shrinks, and the sealing plate 19 releases the seal of the filter screen 13. The supernatant enters the filter chamber after being filtered by the filter screen 13 and is discharged from the discharge port 12.

[0026] The stirring paddle includes a scraper 7, which cooperates with the inner wall of the upper cylinder 1. The scraper 7 is connected to the stirring rod 4 through multiple connecting parts. The stirring paddle can clean the inner wall of the upper cylinder 1 while mixing and stirring, so as to prevent impurities generated by the reaction from sticking to the inner wall of the upper cylinder 1.

[0027] The connecting member includes a connecting rod 5 and a sleeve 6, one end of the connecting rod 5 is fixedly connected to the stirring rod 4, the other end of the connecting rod 5 extends into the sleeve 6, at least two guide grooves 16 are evenly distributed on the side wall of the connecting rod 5 near the end of the sleeve 6, a slider 17 is slidably arranged in the guide groove 16, one end of the slider 17 extends out of the guide groove 16 and is fixedly connected to the inner wall of one end of the sleeve 6, the other end of the sleeve 6 is fixedly connected to the scraper rod 7, a compression spring 18 is arranged in the sleeve 6, one end of the compression spring 18 is connected to the scraper rod 7, and the other end of the compression spring 18 is connected to the connecting rod 5 in the sleeve 6. This arrangement can ensure that the scraper rod 7 is in reliable contact with the upper cylinder 1, and the scraping effect is ensured, and at the same time, even after the hanging rod is worn, it can maintain effective contact with the inner wall of the upper cylinder 1 under the action of the compression spring 18.

[0028] Working principle: put the by-product potassium chloride and other reactants into the reaction tank from the feed port. At this time, the sealing plate is in close contact with the filter screen, and the motor drives the stirring rod to rotate to efficiently stir and mix the materials to ensure that all materials can react quickly and efficiently. After the reaction is completed, let it stand and settle. The sediment is settled in the lower cylinder. After the sedimentation is completed, the horizontal telescopic rod shrinks, and the precipitated material is filtered through the filter screen and enters the filter cavity and is discharged from the discharge pipe to enter the next process. Finally, motors 1 and 2 rotate to scrape the impurities on the inner wall of the upper cylinder and drop them into the lower cylinder. They are transported to the sewage outlet with the feeding screw and discharged. After the end, cleaning liquid can be introduced into the reaction tank to further clean the reaction tank without affecting the next use of the reaction tank.

[0029] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A by-product potassium chloride purification device, comprising a horizontal reaction tank, wherein the reaction tank is provided with a feed inlet and a discharge port; characterized in that: The reaction tank comprises an upper cylinder and a lower cylinder, the bottom of the upper cylinder is fixed and connected to the top of the lower cylinder, the diameter of the upper cylinder is larger than the diameter of the lower cylinder, the feed port is located at the top of the upper cylinder, and the bottom of the lower cylinder is provided with a sewage outlet with a switch valve; The upper cylinder is provided with a stirring assembly, which includes a stirring rod and a stirring paddle. The stirring rod is parallel to the central axis of the upper cylinder, and a plurality of stirring paddles are fixed on the stirring rod. One end of the stirring rod passes through the upper cylinder and is connected to a motor. A feeding screw is provided in the lower cylinder, the feeding screw is parallel to the central axis of the lower cylinder, one end of the feeding screw passes through the lower cylinder and is connected to a second motor, and the sewage outlet is located at the bottom of the lower cylinder corresponding to the discharge end of the feeding screw.

2. A by-product potassium chloride purification device according to claim 1, characterized in that: A filter is also provided at one end of the reaction tank, and the filter divides the interior of the reaction tank into a reaction chamber and a filter chamber. The filter is perpendicular to the central axis of the upper cylinder and the lower cylinder. One end of the stirring rod is rotatably connected to the filter via a bearing, and the discharge end of the feeding screw is rotatably connected to the filter via a bearing, and the discharge port is located at the bottom of the lower cylinder corresponding to the filter chamber.

3. A by-product potassium chloride purification device according to claim 2, characterized in that: A scraper plate 1 matched with the filter screen is fixed on the stirring rod, and a scraper plate 2 matched with the filter screen is fixed on the feeding screw.

4. A by-product potassium chloride purification device according to claim 2, characterized in that: A sealing plate matched with the filter screen is arranged in the filter cavity. The shape of the sealing plate is the same as that of the filter screen. A horizontal telescopic rod is connected to one side of the sealing plate away from the filter screen.

5. A by-product potassium chloride purification device according to claim 1, characterized in that: The stirring paddle comprises a scraper rod, the scraper rod is matched with the inner wall of the upper cylinder, and the scraper rod is connected to the stirring rod through a plurality of connecting pieces.

6. A by-product potassium chloride purification device according to claim 5, characterized in that: The connecting piece includes a connecting rod and a sleeve, one end of the connecting rod is fixedly connected to the stirring rod, and the other end of the connecting rod extends into the sleeve. At least two guide grooves are evenly distributed on the side wall of the connecting rod close to the end of the sleeve. A slider is slidably arranged in the guide groove, one end of the slider extends out of the guide groove and is fixedly connected to the inner wall of one end of the sleeve, and the other end of the sleeve is fixedly connected to the scraper rod. A compression spring is provided in the sleeve, one end of the compression spring is connected to the scraper rod, and the other end of the compression spring is connected to the connecting rod in the sleeve.

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