Filtering device for formic acid production
By designing a filter device including a mixing tank, a conveying tube and a distillation box, the problem that the prior art cannot completely remove impurities of sodium formate is solved, and more efficient filtration effect and product purity are achieved.
Patent Information
- Application Number
- CN202420990580.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-07
AI Technical Summary
The prior art cannot completely remove impurities when filtering sodium formate, resulting in the impact of product purity.
A filter device including a mixing tank, a conveying pipe and a distillation tank is designed. By installing a filter plate and a valve in the conveying pipe, the solid impurities in the solution are filtered out, and the solution in the distillation tank is heated to remove moisture, leaving pure sodium formate.
A more thorough filtration of sodium formate is achieved, significantly improving the purity and filtration effect of the product.
Smart Images

Figure CN222605542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sodium formate filtering, in particular to a filtering device for formic acid production. Background Art
[0002] Sodium formate is a white or light yellow crystalline solid at room temperature, in powder form, and easily soluble in water. Sodium formate often contains a certain amount of granular solid impurities, such as sand, pebbles, etc. If sodium formate with impurities is mixed with other raw materials, the purity of the product will be affected. The filtration treatment of sodium formate in the prior art generally uses a filter plate to directly filter impurities in the sodium formate raw material. Although this method is simple and easy to operate, it cannot completely filter impurities and has a poor filtration effect. Utility Model Content
[0003] In view of this, the utility model provides a filtering device for formic acid production, which can filter impurities in sodium formate more thoroughly and has a good filtering effect.
[0004] In order to solve the above technical problems, the utility model provides a filtering device for formic acid production, including a mixing tank, a feeding pipe is arranged on one side above the mixing tank, a conveying pipe is arranged at the bottom of the mixing tank, a filter plate is arranged above the inside of the conveying pipe, a valve is arranged at the center of the inside of the conveying pipe, a distillation box is connected to the bottom of the conveying pipe, a controller is arranged on one side of the outer wall of the distillation box, connecting plates are arranged on both sides of the inside of the distillation box, a plurality of heating tubes are evenly arranged on the surface of the connecting plates, electric heating wires are arranged in the heating tubes, and the electric heating wires are electrically connected to the controller, a discharge pipe is arranged at the bottom of the distillation box, and a worker The worker first puts the sodium formate raw material into the mixing tank, and then adds an appropriate amount of water into the mixing tank. After the sodium formate and water are completely dissolved, the valve is opened to allow the mixed solution to be filtered through the sieve plate of the conveying pipe, so that the sieve plate filters the solid impurities in the solution, and the solution without solid impurities enters the distillation box. Subsequently, the controller starts the heating wire, so that the heating wire heats the heating tube, and the heating tube heats the solution in the distillation box until the water in the solution boils and evaporates, leaving a pure sodium formate solution, thereby filtering the impurities in the sodium formate more thoroughly, and the filtering effect is good.
[0005] A motor is arranged at the center of the upper surface of the mixing tank, and the output end of the motor passes through the center of the upper wall of the mixing tank, and a connecting column is arranged at the output end of the motor. A number of stirring rods are evenly arranged on the surface of the connecting column. When the staff starts the motor, the output end of the motor drives the connecting column and the stirring rod to rotate, so that the stirring rod stirs the sodium formate raw material and water to improve the mixing efficiency.
[0006] Slide rails are arranged on both sides of the inner wall of the conveying pipe, and a sieve plate is slidably arranged in the slide rails. A sealing strip is arranged on one side of the sieve plate. A through groove is opened on the surface of the conveying pipe corresponding to the position of the sealing strip, and the sealing strip is located in the through groove. A handle is arranged on one side of the sealing strip. The staff pulls the handle to make the handle drive the sealing strip and the sieve plate to move, thereby removing and cleaning the impurities on the surface of the sieve plate from the conveying pipe.
[0007] A rubber pad is arranged on the surface of the sealing strip, and the rubber pad can improve the sealing effect of the sealing strip and prevent the solution from flowing out from the gap.
[0008] A condenser is provided on one side of the outer wall of the distillation box, and one end of the condenser extends into the interior of the distillation box. A collecting frame is provided on the outer wall of the distillation box at a position corresponding to the position below the condenser. After the water in the solution evaporates, the water vapor enters the condenser and condenses into water, and falls into the collecting frame for collection.
[0009] The heating tube is made of metal, which can improve the heat conduction effect and thus improve the evaporation efficiency.
[0010] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:
[0011] 1. When the utility model is used, the staff first puts the sodium formate raw material into a mixing tank, and then adds a proper amount of water into the mixing tank. After the sodium formate and the water are completely dissolved, the valve is opened to filter the mixed solution through the sieve plate of the conveying pipe, so that the sieve plate filters the solid impurities in the solution, and the solution without solid impurities enters the distillation box. Then, the controller starts the heating wire, so that the heating wire heats the heating tube, and the heating tube heats the solution in the distillation box until the water in the solution boils and evaporates, thereby leaving a pure sodium formate solution, thereby filtering the impurities in the sodium formate more thoroughly, and the filtering effect is good.
[0012] 2. When the utility model is used, the staff starts the motor, and the output end of the motor drives the connecting column and the stirring rod to rotate, so that the stirring rod stirs the sodium formate raw material and water to improve the mixing efficiency.
[0013] 3. When the utility model is used, the staff pulls the handle to make the handle drive the sealing strip and the sieve plate to move, so as to remove the impurities on the surface of the sieve plate from the conveying pipe and clean them.
[0014] 4. When the utility model is used, after the water in the solution evaporates, the water vapor enters the condenser and condenses into water, and falls into the collection frame for collection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the main structure of the utility model;
[0016] Figure 2This is a front cross-sectional view of the interior of the mixing tank of the utility model;
[0017] Figure 3 This is a front cross-sectional view of the interior of the delivery pipe of the utility model;
[0018] Figure 4 It is a side cross-sectional view of the interior of the delivery pipe of the utility model;
[0019] Figure 5 This is a top view of the interior of the distillation box of the utility model.
[0020] Explanation of the reference numerals: 100, mixing tank; 101, motor; 102, feed pipe; 103, connecting column; 104, stirring rod; 200, delivery pipe; 201, valve; 202, slide rail; 203, filter plate; 204, sealing strip; 205, handle; 300, distillation box; 301, controller; 302, connecting plate; 303, heating tube; 304, condenser; 305, collecting frame; 306, heating wire; 307, discharge pipe; 400, supporting leg. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.
[0022] According to one embodiment of the utility model, Figure 1 , Figure 2 and Figure 5As shown: This embodiment provides a filtering device for formic acid production, including a mixing tank 100, a feeding pipe 102 is arranged on one side above the mixing tank 100, a delivery pipe 200 is arranged at the bottom of the mixing tank 100, a filter plate 203 is arranged on the top of the delivery pipe 200, a valve 201 is arranged at the center of the delivery pipe 200, a distillation box 300 is connected to the bottom of the delivery pipe 200, a controller 301 is arranged on one side of the outer wall of the distillation box 300, connecting plates 302 are arranged on both sides of the inside of the distillation box 300, a plurality of heating tubes 303 are evenly arranged on the surface of the connecting plate 302, a heating wire 306 is arranged in the heating tube 303, and the heating wire 306 is electrically connected to the controller 301, and the bottom of the distillation box 300 is connected to the distillation box 300. A discharge pipe 307 is provided in the part. The staff first puts the sodium formate raw material into the mixing tank 100, and then adds a proper amount of water into the mixing tank 100. After the sodium formate and the water are completely dissolved, the valve 201 is opened to filter the mixed solution through the sieve plate of the delivery pipe 200, so that the sieve plate filters the solid impurities in the solution, and the solution without solid impurities enters the distillation box 300. Then, the heating wire 306 is started by the controller 301, so that the heating wire 306 heats the heating tube 303, and the heating tube 303 heats the solution in the distillation box 300 until the water in the solution boils and evaporates, thereby leaving a pure sodium formate solution, thereby filtering the impurities in the sodium formate more thoroughly, and the filtering effect is good;
[0023] According to another embodiment of the present invention, Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a motor 101 is arranged at the center of the upper surface of the mixing tank 100, and the output end of the motor 101 passes through the center of the upper wall of the mixing tank 100, and a connecting column 103 is arranged at the output end of the motor 101, and a plurality of stirring rods 104 are evenly arranged on the surface of the connecting column 103. When the staff starts the motor 101, the output end of the motor 101 drives the connecting column 103 and the stirring rod 104 to rotate, so that the stirring rod 104 stirs the sodium formate raw material and water to improve the mixing efficiency; slide rails 202 are arranged on both sides of the inner wall of the conveying pipe 200, and a sieve plate is slidably arranged in the slide rail 202, and a sealing strip 204 is arranged on one side of the sieve plate, and a through groove is opened on the surface of the conveying pipe 200 and corresponds to the position of the sealing strip 204, and the sealing strip 204 is located in the through groove, and a handle 205 is arranged on one side of the sealing strip 204. The staff pulls the handle 205, so that the handle 205 drives the sealing strip 204 and the sieve plate to move, thereby removing and cleaning the impurities on the surface of the sieve plate from the conveying pipe 200; a rubber pad is provided on the surface of the sealing strip 204, and the rubber pad can improve the sealing effect of the sealing strip 204 and prevent the solution from flowing out from the gap; a condenser 304 is provided on one side of the outer wall of the distillation box 300, and one end of the condenser 304 extends to the inside of the distillation box 300, and a collecting frame 305 is provided on the outer wall of the distillation box 300 and at a position corresponding to the bottom of the condenser 304. After the water in the solution evaporates, the water vapor enters the condenser 304 and condenses into water, and falls into the collecting frame 305 for collection; the heating tube 303 is made of metal, and the metal heating tube 303 can improve the thermal conductivity, thereby improving the evaporation efficiency.
[0024] The use of this utility model:
[0025] The staff first puts the sodium formate raw material into the mixing tank 100, and then adds a proper amount of water into the mixing tank 100. After the sodium formate and the water are completely dissolved, the valve 201 is opened to filter the mixed solution through the sieve plate of the delivery pipe 200, so that the sieve plate filters the solid impurities in the solution, and the solution without solid impurities enters the distillation box 300. Then, the heating wire 306 is started by the controller 301, so that the heating wire 306 heats the heating tube 303, and the heating tube 303 heats the solution in the distillation box 300 until the water in the solution boils and evaporates, thereby leaving a pure sodium formate solution, thereby filtering the impurities in the sodium formate more thoroughly, and the filtering effect is good.
[0026] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A filtering device for formic acid production, comprising a mixing tank (100), wherein a feed pipe (102) is arranged on one side above the mixing tank (100), characterized in that: A delivery pipe (200) is arranged at the bottom of the mixing tank (100), a filter plate (203) is arranged above the inside of the delivery pipe (200), a valve (201) is arranged at the center of the inside of the delivery pipe (200), a distillation box (300) is connected to the bottom of the delivery pipe (200), a controller (301) is arranged on one side of the outer wall of the distillation box (300), connecting plates (302) are arranged on both sides of the inside of the distillation box (300), a plurality of heating tubes (303) are evenly arranged on the surface of the connecting plates (302), a heating wire (306) is arranged in the heating tube (303), and the heating wire (306) is electrically connected to the controller (301), and a discharge pipe (307) is arranged at the bottom of the distillation box (300).
2. A filtering device for formic acid production according to claim 1, characterized in that: A motor (101) is arranged at the center of the upper surface of the mixing tank (100), the output end of the motor (101) passes through the center of the upper wall of the mixing tank (100), and a connecting column (103) is arranged at the output end of the motor (101), and a plurality of stirring rods (104) are evenly arranged on the surface of the connecting column (103).
3. A filtering device for formic acid production according to claim 1, characterized in that: Slide rails (202) are arranged on both sides of the inner wall of the conveying pipe (200), a sieve plate is slidably arranged in the slide rails (202), a sealing strip (204) is arranged on one side of the sieve plate, a through groove is opened on the surface of the conveying pipe (200) and corresponds to the position of the sealing strip (204), and the sealing strip (204) is located in the through groove, and a handle (205) is arranged on one side of the sealing strip (204).
4. A filtering device for formic acid production as claimed in claim 3, characterized in that: A rubber pad is provided on the surface of the sealing strip (204).
5. A filtering device for formic acid production according to claim 1, characterized in that: A condenser (304) is provided on one side of the outer wall of the distillation box (300), and one end of the condenser (304) extends into the interior of the distillation box (300). A collection frame (305) is provided on the outer wall of the distillation box (300) at a position corresponding to the bottom of the condenser (304).
6. A filtering device for formic acid production according to claim 1, characterized in that: The heating tube (303) is made of metal.