Nitroguanidine purification device with screening mechanism

Abstract

The utility model discloses a nitroguanidine purification device with a screening mechanism, which comprises a main tank body and a partition plate, the partition plate is transversely fixed between two sides in the main tank body, a heating chamber is arranged between the lower part of the partition plate and the main tank body, a screening chamber is arranged between the upper part of the partition plate and the main tank body, and the screening mechanism is arranged in the main tank body. And an upper material pump is installed at the center of the bottom of the partition plate, and a lead screw is movably erected between the two sides of the rear portion of the top of the main tank body through a support. According to the nitroguanidine purification device with the screening mechanism, the screening frame is movably connected to the front portion of the hanging rod, a third motor is started, a lead screw is rotated, and due to the fact that the front end and the rear end of the screening frame are attached to a screening cavity, nitroguanidine mixtures stored in the screening frame can be horizontally shaken, part of impurities are screened out through buoyancy, and solid-liquid mixtures are guided out from a water guide groove; and the second motor is started to guide the screen frame connected with the output shaft to be reversely buckled down to be dumped, and the problem that the screening effect is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitroguanidine processing, in particular to a nitroguanidine purification device with a screening mechanism. Background Art

[0002] Nitroguanidine is a high molecular weight organic compound that is a white powder under normal conditions. It is soluble in hot water, ether, alkali solution, etc., but insoluble in cold water. During processing, nitroguanidine is often prepared by the reaction of ammonium nitrate and ammonia water. The two are mixed and heated to 80 degrees and then nitric acid is slowly poured in. After cooling, it can crystallize to produce nitroguanidine.

[0003] If the reaction is not complete, there will inevitably be some foreign particles mixed in the crystals, which need to be processed using a screening and purification device, followed by operations such as crushing. Generally, such devices only use vibration screening to shake out the foreign particles. If there are foreign particles of similar size, it is difficult to filter them out, which is very inconvenient.

[0004] Now, a novel nitroguanidine purification device with a screening mechanism is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a nitroguanidine purification device with a screening mechanism to solve the problem of poor screening effect mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nitroguanidine purification device with a screening mechanism, comprising a main tank body and a partition, a partition is transversely fixed between the two sides inside the main tank body, and a heating chamber is arranged between the bottom of the partition and the main tank body, a screening chamber is arranged between the top of the partition and the main tank body, an upper material pump is installed at the center of the bottom of the partition, a screw rod is movably connected between the two sides of the rear of the top of the main tank body through a bracket, and a sleeve block is sleeved on the outside of the screw rod, a suspension rod is longitudinally welded to the front end of the sleeve block, and a second motor is installed behind the bottom of the suspension rod, a screen frame is movably connected to the front of the suspension rod, a third motor is installed from the rear of the top of the main tank body through a bracket, and boxes are arranged on both sides above the outside of the main tank body.

[0007] Preferably, the output shaft of the third motor is fixedly connected to the right side of the screw rod, and threads matching the screw rod are provided between the two sides inside the sleeve block.

[0008] Preferably, the screen frame can be swung in situ at the front end of the suspension rod, and the screen frame can be rotated 360 degrees in the screening chamber.

[0009] Preferably, two groups of slides are provided above both sides of the exterior of the main tank body, and blocks are movably inserted in the slides, a box body is fixedly connected between the outsides of the blocks, and a cover plate is inserted above the box body, a liquid pump is installed below the exterior of the box body, and a connecting pipe is welded between the output end of the liquid pump and the top of the main tank body, a net bag is inserted between the two sides of the interior of the box body, two groups of limit blocks are welded at the front and rear of both sides of the exterior of the main tank body, and a baffle rod is movably connected above the limit blocks, a liquid inlet is provided above one side of the box body, and water guide grooves are provided above both sides of the top of the main tank body.

[0010] Preferably, the blocking rod can rotate 180 degrees above the limiting block, and the limiting block is blocked at the bottom of the blocking rod.

[0011] Preferably, the net bag is located above the liquid extraction port of the liquid pump, and the liquid inlet can be fitted together with the water guide groove.

[0012] Preferably, a flat groove is provided at the lower part of the interior of the partition, and a right sprocket is longitudinally movably connected to the right side of the flat groove, and a left sprocket is longitudinally movably connected to the left side of the flat groove, a chain belt is transversely sleeved between the outsides of the right sprocket and the left sprocket, a right stirring rod is movably connected to the right side of the bottom of the partition, and a left stirring rod is movably connected to the left side of the bottom of the partition, a first motor is installed at the upper right corner of the interior of the partition, a lower material pump is installed at the center of the bottom of the main tank body, and an air groove is opened at the center of the right side of the main tank body.

[0013] Preferably, the bottom of the output shaft of the first motor is fixedly connected to the right sprocket, the bottom of the right sprocket is fixedly connected to the right stirring rod, and the bottom of the left sprocket is fixedly connected to the left stirring rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the nitroguanidine purification device with a screening mechanism not only realizes filtering out scum by soaking in water, realizes collecting and filtering scum, but also realizes rapid precipitation of materials;

[0015] (1) A screen frame is movably connected to the front of the boom, and the material is poured into the screen frame from the top of the main tank. The third motor at the right rear is started to rotate the screw rod. Since the front and rear ends of the bottom screen frame are respectively attached to the screening chamber, the nitroguanidine mixture stored in the screen frame can be horizontally shaken, and some fine impurities are screened out by buoyancy, and the solid-liquid mixture is led out from the water guide groove. Then, the second motor at the rear of the boom is started to guide the screen frame connected to the output shaft to be turned upside down, and then the upper material pump is turned on to guide the remaining liquid and nitroguanidine and other materials into the heating chamber at the bottom for purification;

[0016] (2) By arranging boxes on both sides above the outside of the main tank, the boxes are lifted vertically along the slideways on both sides by means of the card blocks. When the water guide groove is level with the liquid inlet, the movable hinged stopper bars above the corresponding limit blocks can be turned so that the stopper bars are respectively located at the front and rear ends below the box, thereby preventing the box from sliding down further. After opening the cover plate, the net bag can be taken out to clean the internal debris, and then the remaining liquid can be pumped out by the liquid pump and then guided back to the main tank through the connecting pipe, thereby avoiding wasting water resources;

[0017] (3) A heating chamber is provided between the main tank body and the lower part of the partition, and the first motor is started to rotate the right sprocket. Under the transmission action of the chain belt, the left sprocket on the left is synchronously rotated, the right sprocket and the right stirring rod connected thereto are rotated, and the left sprocket and the left stirring rod connected thereto are rotated. The solid-liquid mixture is pumped into the heating chamber by the upper material pump, and is crushed after being heated to precipitate crystals. The purified nitroguanidine powder can be discharged after the lower material pump is started. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the screening chamber of the utility model;

[0020] Figure 3 This is a schematic diagram of the side structure of the box body of the utility model;

[0021] Figure 4 It is a schematic diagram of the front cross-sectional structure of the heating chamber of the present invention.

[0022] In the figure: 1. main tank body; 2. heating chamber; 3. partition; 4. screening chamber; 5. liquid pump; 6. box body; 7. cover plate; 8. connecting pipe; 9. screw rod; 10. sleeve block; 11. suspension rod; 12. net bag; 13. screen frame; 14. first motor; 15. flat groove; 16. air groove; 17. right stirring rod; 18. lower material pump; 19. left stirring rod; 20. second motor; 21. third motor; 22. water guide groove; 23. baffle rod; 24. limit block; 25. slideway; 26. block; 27. right sprocket; 28. upper material pump; 29. ​​chain belt; 30. left sprocket; 31. liquid inlet. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 A nitroguanidine purification device with a screening mechanism comprises a main tank body 1 and a partition 3, the partition 3 is transversely fixed between the two sides inside the main tank body 1, and a heating chamber 2 is arranged between the lower part of the partition 3 and the main tank body 1, and a screening chamber 4 is arranged between the upper part of the partition 3 and the main tank body 1, and an upper material pump 28 is installed at the center of the bottom of the partition 3, a screw rod 9 is movably connected between the two sides of the rear of the top of the main tank body 1 through a bracket, and a sleeve block 10 is sleeved on the outer side of the screw rod 9, a suspension rod 11 is longitudinally welded to the front end of the sleeve block 10, and a second motor 20 is installed at the rear of the bottom of the suspension rod 11, and a screen frame 13 is movably connected to the front of the suspension rod 11, a third motor 21 is installed at the rear of the top of the main tank body 1 through a bracket, and a box body 6 is arranged on both sides of the upper part of the main tank body 1;

[0025] The output shaft of the third motor 21 is fixedly connected to the right side of the screw rod 9, and threads matching the screw rod 9 are arranged between the two sides of the sleeve block 10. The screen frame 13 can swing in situ at the front end of the suspension rod 11, and the screen frame 13 can rotate 360 ​​degrees in the screening chamber 4;

[0026] Specifically, Figure 1 and Figure 2 As shown, the material is poured into the screen frame 13 from the top of the main tank body 1, and the third motor 21 at the right rear is started to rotate the screw 9. Since the front end and the rear end of the bottom screen frame 13 are respectively attached to the screening chamber 4, the nitroguanidine mixture stored in the screen frame 13 can be horizontally shaken, and some fine debris can be screened out by buoyancy, and the solid-liquid mixture is led out from the water guide trough 22, and then the second motor 20 at the rear of the boom 11 is started to guide the screen frame 13 connected to the output shaft to be turned upside down for dumping.

[0027] Embodiment 2: Two groups of slideways 25 are provided above both sides of the outside of the main tank body 1, and a card block 26 is movably inserted in the slideway 25, a box body 6 is fixedly connected between the outside of the card block 26, and a cover plate 7 is inserted above the box body 6, a liquid pump 5 is installed below the outside of the box body 6, and a connecting pipe 8 is welded between the output end of the liquid pump 5 and the top of the main tank body 1, a net bag 12 is inserted between the two sides of the inside of the box body 6, two groups of limit blocks 24 are welded at the front and rear of both sides of the outside of the main tank body 1, and a stopper 23 is movably connected above the limit block 24, a liquid inlet 31 is provided above one side of the box body 6, and water guide grooves 22 are provided above both sides of the top of the main tank body 1;

[0028] The blocking rod 23 can rotate 180 degrees above the limit block 24, the limit block 24 blocks the bottom of the blocking rod 23, the net bag 12 is located above the liquid extraction port of the liquid pump 5, and the liquid inlet 31 can be attached to the water guide groove 22;

[0029] Specifically, Figure 1 and Figure 3 As shown, the box body 6 is lifted vertically along the slideways 25 on both sides by means of the clamping blocks 26. After the water guide groove 22 is level with the liquid inlet 31, the movable hinged baffle 23 above the corresponding limit block 24 can be turned so that the baffle 23 is respectively located at the front and rear ends below the box body 6, thereby preventing the box body 6 from continuing to slide down. After opening the cover plate 7, the net bag 12 can be taken out to clean the internal debris, and then the remaining liquid can be extracted by the liquid pump 5 and then guided back to the main tank body 1 through the connecting pipe 8.

[0030] Embodiment 3: A flat groove 15 is provided at the lower part of the interior of the partition 3, and a right sprocket 27 is longitudinally movably connected to the right side of the interior of the flat groove 15, a left sprocket 30 is longitudinally movably connected to the left side of the interior of the flat groove 15, a chain belt 29 is transversely sleeved between the outsides of the right sprocket 27 and the left sprocket 30, a right stirring rod 17 is movably connected to the right side of the bottom of the partition 3, a left stirring rod 19 is movably connected to the left side of the bottom of the partition 3, a first motor 14 is installed at the upper right corner of the interior of the partition 3, a lower material pump 18 is installed at the center of the bottom of the main tank body 1, and an air groove 16 is opened at the center of the right side of the main tank body 1;

[0031] The bottom of the output shaft of the first motor 14 is fixedly connected to the right sprocket 27, the bottom of the right sprocket 27 is fixedly connected to the right stirring rod 17, and the bottom of the left sprocket 30 is fixedly connected to the left stirring rod 19;

[0032] Specifically, Figure 1 and Figure 4 As shown, the first motor 14 is started to rotate the right sprocket 27. Under the transmission action of the chain belt 29, the left sprocket 30 on the left side is synchronously rotated, the right sprocket 27 and the right stirring rod 17 connected to it are rotated, and the left sprocket 30 and the left stirring rod 19 connected to it are rotated. The solid-liquid mixture is pumped into the heating chamber 2 by the upper material pump 28, and is crushed after being heated and crystallized.

[0033] Working principle: When the utility model is in use, first pour the material into the screen frame 13 from the top of the main tank body 1, start the third motor 21 at the right rear, thereby rotating the screw 9, because the front end and the rear end of the bottom screen frame 13 are respectively attached to the screening chamber 4, the nitroguanidine mixture stored in the screen frame 13 can be horizontally shaken, and some fine debris can be screened out by buoyancy, and the solid-liquid mixture can be led out from the water guide 22, and then the second motor 20 behind the suspension rod 11 is started to guide the screen frame 13 connected to the output shaft to be turned upside down, and then the upper material pump 28 is turned on to guide the remaining liquid and nitroguanidine and other substances into the heating chamber 2 at the bottom for purification, and then the box body 6 is vertically lifted along the slideways 25 on both sides by means of the block 26, and when the water guide 22 is level with the liquid inlet 31, the corresponding The baffle rod 23 movably hinged above the limit block 24 makes the baffle rod 23 respectively located at the front end and the rear end below the box body 6, so as to prevent the box body 6 from continuing to slide down. After opening the cover plate 7, the net bag 12 can be taken out to clean the internal debris, and then the remaining liquid is extracted by the liquid pump 5 and then guided back to the main tank body 1 through the connecting pipe 8. Finally, the first motor 14 is started to rotate the right sprocket 27. Under the transmission action of the chain belt 29, the left sprocket 30 on the left side is rotated synchronously, the right sprocket 27 and the right stirring rod 17 connected to it are rotated, and the left sprocket 30 and the left stirring rod 19 connected to it are rotated. The solid-liquid mixture is extracted by the upper material pump 28 into the heating chamber 2, and is crushed after being heated to precipitate crystals. After starting the lower material pump 18 below, the purified nitroguanidine powder can be discharged.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A nitroguanidine purification device with a screening mechanism, comprising a main tank (1) and a partition (3), characterized in that: A partition (3) is transversely fixed between the two sides inside the main tank body (1), and a heating chamber (2) is arranged between the bottom of the partition (3) and the main tank body (1), and a screening chamber (4) is arranged between the top of the partition (3) and the main tank body (1). An upper material pump (28) is installed at the center of the bottom of the partition (3). A screw rod (9) is movably mounted between the two sides behind the top of the main tank body (1) through a bracket, and a sleeve block (10) is sleeved on the outer side of the screw rod (9). A suspension rod (11) is longitudinally welded to the front end of the sleeve block (10), and a second motor (20) is installed behind the bottom of the suspension rod (11). A screen frame (13) is movably connected to the front of the suspension rod (11). A third motor (21) is installed from the rear on the top of the main tank body (1) through a bracket. Box bodies (6) are arranged on both sides above the outside of the main tank body (1).

2. A nitroguanidine purification device with a screening mechanism according to claim 1, characterized in that: The output shaft of the third motor (21) is fixedly connected to the right side of the screw rod (9), and threads matching the screw rod (9) are provided between the two sides inside the sleeve block (10).

3. The nitroguanidine purification device with a screening mechanism according to claim 1, characterized in that: The screen frame (13) can swing in situ at the front end of the suspension rod (11), and the screen frame (13) can rotate 360 ​​degrees in the screening chamber (4).

4. The nitroguanidine purification device with a screening mechanism according to claim 1, characterized in that: Two groups of slideways (25) are arranged above both sides of the outside of the main tank body (1), and a card block (26) is movably inserted in the slideway (25). A box body (6) is fixedly connected to the outside of the card block (26), and a cover plate (7) is inserted above the box body (6). A liquid pump (5) is installed below the outside of the box body (6), and a connecting pipe (8) is welded between the output end of the liquid pump (5) and the top of the main tank body (1). A net bag (12) is inserted between the two sides of the inside of the box body (6). Two groups of limit blocks (24) are welded at the front and rear of both sides of the outside of the main tank body (1), and a stop rod (23) is movably connected above the limit blocks (24). A liquid inlet (31) is arranged above one side of the box body (6), and water guide grooves (22) are respectively arranged above both sides of the top of the main tank body (1).

5. A nitroguanidine purification device with a screening mechanism according to claim 4, characterized in that: The blocking rod (23) can rotate 180 degrees above the limiting block (24), and the limiting block (24) blocks the bottom of the blocking rod (23).

6. A nitroguanidine purification device with a screening mechanism according to claim 4, characterized in that: The net bag (12) is located above the liquid extraction port of the liquid pump (5), and the liquid inlet (31) can be fitted together with the water guide groove (22).

7. The nitroguanidine purification device with a screening mechanism according to claim 1, characterized in that: A flat groove (15) is provided at the lower part of the interior of the partition (3), and a right sprocket (27) is longitudinally movably connected to the right side of the flat groove (15), and a left sprocket (30) is longitudinally movably connected to the left side of the flat groove (15). A chain belt (29) is transversely sleeved between the outsides of the right sprocket (27) and the left sprocket (30). A right stirring rod (17) is movably connected to the right side of the bottom of the partition (3), and a left stirring rod (19) is movably connected to the left side of the bottom of the partition (3). A first motor (14) is installed at the upper right corner of the interior of the partition (3). A lower material pump (18) is installed at the center of the bottom of the main tank body (1), and an air groove (16) is opened at the center of the right side of the main tank body (1).

8. A nitroguanidine purification device with a screening mechanism according to claim 7, characterized in that: The bottom of the output shaft of the first motor (14) is fixedly connected to the right sprocket (27), the bottom of the right sprocket (27) is fixedly connected to the right stirring rod (17), and the bottom of the left sprocket (30) is fixedly connected to the left stirring rod (19).

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