Purification filter for chemical production

Abstract

The utility model discloses a purification filter for chemical industry production, which comprises a filter box, the top of one side of the filter box is provided with a replacement window, the top surface of the replacement window is covered with a sealing plate, a transfer assembly is arranged at the upper part in the filter box, and the transfer assembly comprises a mounting bin; a connecting column is connected to the middle of the top face of the filter box in a penetrating mode, a partition plate is fixedly connected to the bottom end of the connecting column, a filter element is inserted into the partition plate, a butt-joint sleeve is fixedly connected to the top end of the filter element, a mounting plate is fixedly connected to a breather pipe, and a plurality of butt-joint pipes are fixedly connected to the bottom of the mounting plate. A partition assembly is arranged on one side of the interior of the filter box, the partition assembly comprises a semicircular plate, and a lifting plate is slidably connected to one side of the semicircular plate; according to the device, the standby filter element can be automatically replaced, then the device works continuously, the filter element to be replaced can be moved to one side, follow-up replacement is facilitated, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically a purification filter used in chemical production. Background Technology

[0002] Chemical production enterprises often use molecular sieve air separation to produce nitrogen to meet their needs. Molecular sieves act as adsorbents, selectively adsorbing oxygen and nitrogen through carbon molecular sieves to separate them, thus achieving nitrogen production. Currently, nitrogen generators are equipped with cartridge filters at the outlet to remove carbon powder entrained in the nitrogen. However, the crude nitrogen contains a significant amount of carbon powder, and after a period of time, the filter cartridges are easily clogged, requiring frequent replacements.

[0003] Publication number CN221131482U discloses a filter for nitrogen preparation and purification, relating to the field of nitrogen preparation. It includes a support, a tank, a top cover, an air inlet, and a drain outlet. The support includes an anti-slip pad disposed at the other end of a support column. The tank includes connecting columns disposed on the lower surface of a support ring. The top cover includes a filter element, one end of which is disposed inside a fixing groove. The air inlet includes an air outlet disposed on the circumferential side of the tank body. The drain outlet includes a filter screen installed inside the tank. This device, by incorporating a removable filter element, facilitates easy replacement and dosage adjustment. However, this patent still has the following problems in practical use:

[0004] Because the filter element needs to be replaced frequently, and the aforementioned devices, including existing equipment, require the equipment to be shut down throughout the entire filter element replacement process, this affects the continuous filtration and preparation efficiency of nitrogen, and consequently, production efficiency.

[0005] A purification filter for chemical production is proposed to address the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a purification filter for chemical production, in order to solve the problem mentioned in the background art that the high frequency of filter element replacement, and the fact that the above-mentioned devices, including existing equipment, require the equipment to be shut down throughout the entire process of filter element replacement, thereby affecting the continuous filtration and preparation efficiency of nitrogen, and thus affecting production efficiency.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a purification filter for chemical production, comprising a filter box, a replacement window being provided on the top side of the filter box, the top surface of the replacement window being covered with a sealing plate, and a vent pipe being fixedly connected to the top side of the filter box.

[0008] A transfer assembly is provided inside the filter box. The transfer assembly includes an installation chamber fixed to the top surface of the filter box. A first electric push rod is fixedly connected to the top of the installation chamber. A connecting column is connected through the middle of the top surface of the filter box. A hollow gear is slidably connected to the top of the connecting column. A second electric push rod is provided on one side inside the installation chamber. A rack is fixedly connected to the output end of the second electric push rod. An installation ring is fixedly connected to the bottom of the hollow gear.

[0009] The bottom end of the connecting column is fixedly connected to a partition plate, and the partition plate has several evenly distributed docking holes. A filter element is inserted into the docking hole, and a docking sleeve is fixedly connected to the top end of the filter element. One end of the vent pipe that extends into the filter box is fixedly connected to an installation plate, and a connecting pipe is fixedly connected to the bottom of the installation plate. A sealing ring is fixedly connected to the outside of the connecting pipe.

[0010] The filter box has a partition assembly on one side inside. The partition assembly includes a semi-circular plate fixed inside the filter box. A lifting plate is slidably connected to one side of the semi-circular plate. A sealing sleeve is wrapped around the outside of the lifting plate. A stud and a sliding column are rotatably installed on the top surface of the semi-circular plate. An extension strip is rotatably connected to the top of the stud and the sliding column. The extension strip is fixedly connected to the filter box. A threaded sleeve is slidably connected to the external thread of the stud. A connecting block is fixedly connected between the threaded sleeve and the sealing sleeve.

[0011] Preferably, the output end of the first electric actuator is rotatably connected to the top of the connecting column, the rack is meshed with the hollow gear, the mounting ring is rotatably connected to the bottom surface of the mounting chamber, and the second electric actuator is fixedly connected to the interior of the mounting chamber.

[0012] Preferably, a sliding groove is provided on the outer side of the connecting column, and the hollow gear is slidably connected to the connecting column.

[0013] Preferably, the docking sleeve fits against the top surface of the partition, the lifting plate wraps around the sealing sleeve and fits into the middle of the bottom surface of the partition, and the partition fits against the inner wall of the filter box.

[0014] Preferably, the connecting pipe is inserted into the docking sleeve, and the closing ring is fitted to the top surface of the docking sleeve.

[0015] Preferably, a sliding sleeve is slidably connected to the outer side of the sliding column, and a connecting block is also fixedly connected between the sliding sleeve and the sealing sleeve.

[0016] Preferably, a first motor is fixedly connected to the bottom of one side of the semi-circular plate, the output end of the first motor is fixedly connected to the stud, vertical grooves are symmetrically opened on the inner wall of the filter box, the lifting plate slides in the vertical grooves wrapped with the sealing sleeve, and the sealing sleeve is in contact with the inner wall of the vertical groove.

[0017] Compared with the prior art, the beneficial effects of this utility model are: This purification filter for chemical production can automatically replace the spare filter element after a short machine drive and then continue working. The filter element to be replaced can be moved to one side for easy replacement, greatly increasing processing efficiency. The specific details are as follows:

[0018] 1. The first electric actuator causes the connecting column and the hollow gear to slide relative to each other, allowing the mating sleeve to descend along with the partition under its own weight. This disengages the connecting tube from the mating sleeve. When the first electric actuator reaches its maximum extension, the second electric actuator is activated, causing the rack to move horizontally and pull the hollow gear to rotate. The hollow gear then rotates the connecting column 180 degrees, causing the partition to rotate 180 degrees as well. This swaps the positions of the filter element directly above the semicircular plate and the filter element directly below the mounting plate. The first electric actuator is then activated again, causing the swapped filter element to move upwards and allowing the mating sleeve to re-connect to the connecting tube. Ultimately, this device can automatically replace the spare filter element after a short machine drive and continue working. The filter element to be replaced can be moved to one side for easy replacement later, greatly increasing processing efficiency.

[0019] 2. By starting the first motor, the stud rotates, causing the threaded sleeve to drive the lifting plate vertically downward through the connecting block, moving it away from the partition. This allows the partition to separate the used filter element from the filter element in use, preventing nitrogen from escaping from the replacement window when the sealing plate is opened and the used filter element is replaced. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the front cross-section structure of this utility model;

[0021] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle;

[0022] Figure 3 This is a three-dimensional structural diagram of the partition.

[0023] Figure 4 This is a schematic diagram of the installation structure of the filter element and the connecting pipe;

[0024] Figure 5 This is a partial cross-sectional structural diagram of the filter box;

[0025] Figure 6 for Figure 1 Enlarged structural diagram at point B.

[0026] In the diagram: 1. Filter box; 101. Replacement window; 102. Sealing plate; 103. Vent pipe; 2. Transfer assembly; 201. Installation chamber; 202. First electric actuator; 203. Connecting column; 204. Hollow gear; 205. Second electric actuator; 206. Rack; 207. Mounting ring; 208. Partition plate; 209. Docking hole; 210. Filter element; 211. Docking sleeve; 212. Mounting plate; 213. Connecting pipe; 214. Sealing ring; 3. Separation assembly; 301. Semicircular plate; 302. Lifting plate; 303. Sealing sleeve; 304. Stud; 305. Sliding column; 306. First motor; 307. Extension strip; 308. Threaded sleeve; 309. Vertical groove; 310. Connecting block. 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 Figure 1 - Figure 6 The present invention provides a technical solution: a purification filter for chemical production, including a filter box 1, a replacement window 101 is provided on the top of one side of the filter box 1, the top surface of the replacement window 101 is covered by a sealing plate 102, a vent pipe 103 is fixedly connected to the top of one side of the filter box 1, an exhaust port is fixedly connected to the bottom of one side of the filter box 1, and a drain pipe is provided at the bottom of the filter box 1.

[0029] A transfer assembly 2 is provided inside the filter box 1 at the top. The transfer assembly 2 includes an installation chamber 201 fixed to the top surface of the filter box 1. A first electric push rod 202 is fixedly connected to the top of the installation chamber 201. A connecting column 203 is connected through the middle of the top surface of the filter box 1. A hollow gear 204 is slidably connected to the top of the connecting column 203. A second electric push rod 205 is provided on one side inside the installation chamber 201. A rack 206 is fixedly connected to the output end of the second electric push rod 205. An installation ring 207 is fixedly connected to the bottom of the hollow gear 204. The rack 206 drives the hollow gear 204 to rotate exactly 180 degrees.

[0030] Among them, the bottom end of the connecting column 203 is fixedly connected to the partition plate 208, and the partition plate 208 is provided with several evenly distributed docking holes 209. The filter element 210 is inserted into the docking hole 209, and the top end of the filter element 210 is fixedly connected to the docking sleeve 211. The end of the vent pipe 103 that extends into the filter box 1 is fixedly connected to the mounting plate 212, the bottom of the mounting plate 212 is fixedly connected to the connecting pipe 213, and the outer side of the connecting pipe 213 is fixedly connected to the sealing ring 214.

[0031] The filter box 1 has a partition component 3 on one side inside. The partition component 3 includes a semi-circular plate 301 fixed inside the filter box 1. A lifting plate 302 is slidably connected to one side of the semi-circular plate 301. A sealing sleeve 303 is wrapped around the outside of the lifting plate 302. A stud 304 and a sliding column 305 are rotatably installed on the top surface of the semi-circular plate 301. An extension strip 307 is rotatably connected to the top of the stud 304 and the sliding column 305. The extension strip 307 is fixedly connected to the filter box 1. A threaded sleeve 308 is slidably connected to the external thread of the stud 304. A connecting block 310 is fixedly connected between the threaded sleeve 308 and the sealing sleeve 303. The semi-circular plate 301 and the lifting plate 302, together with the partition 208 and several sealing parts, can divide an independent cavity inside the filter box 1.

[0032] The output end of the first electric actuator 202 is rotatably connected to the top of the connecting column 203, the rack 206 is meshed with the hollow gear 204, the mounting ring 207 is rotatably connected to the bottom surface of the mounting chamber 201, and the second electric actuator 205 is fixedly connected to the inside of the mounting chamber 201.

[0033] A sliding groove is provided on the outer side of the connecting column 203, and the hollow gear 204 is slidably connected to the connecting column 203.

[0034] The top surface of the connecting sleeve 211 is fitted with the top surface of the partition 208, and the lifting plate 302 wraps around the sealing sleeve 303 and fits into the middle of the bottom surface of the partition 208. The partition 208 is fitted with the inner wall of the filter box 1. An airtight gasket is provided on the edge of the partition 208. The airtight gasket is fitted with the inner wall of the filter box 1, which can also achieve sealing.

[0035] The connecting pipe 213 is inserted into the mating sleeve 211, and the sealing ring 214 fits against the top surface of the mating sleeve 211; the sealing ring 214 can prevent air leakage at the connection between the connecting pipe 213 and the mating sleeve 211.

[0036] A sliding sleeve is slidably connected to the outer side of the sliding column 305, and a connecting block 310 is also fixedly connected between the sliding sleeve and the sealing sleeve 303.

[0037] A first motor 306 is fixedly connected to one side bottom of the semicircular plate 301. The output end of the first motor 306 is fixedly connected to the stud 304. Vertical grooves 309 are symmetrically opened on the inner wall of the filter box 1. The lifting plate 302 wraps around the sealing sleeve 303 and slides in the vertical groove 309. The sealing sleeve 303 fits against the inner wall of the vertical groove 309. The sealing sleeve 303 can provide airtight separation between the top of the semicircular plate 301 and the bottom of the mounting plate 212.

[0038] Working principle: Before using this type of purification filter for chemical production, it is necessary to check the overall condition of the equipment to ensure it can operate normally. Figure 1 - Figure 6 As shown, firstly, the air intake of the vent pipe 103 enters the filter element 210 through the connecting pipe 213, and after being filtered by the filter element 210, it is discharged through the air outlet, thus achieving filtration.

[0039] After the air pipe 103 stops being inflated, the first motor 306 is started to rotate the stud 304, thereby causing the threaded sleeve 308 to drive the lifting plate 302 to descend vertically through the connecting block 310 and move away from the partition 208.

[0040] Then, the first electric actuator 202 is activated, causing the connecting post 203 and the hollow gear 204 to slide relative to each other. This causes the mating sleeve 211 to descend along with the partition 208 under its own weight, thereby disengaging the connecting tube 213 from the mating sleeve 211. When the first electric actuator 202 is at its longest extension, the second electric actuator 205 is activated, causing the rack 206 to move horizontally and pull the hollow gear 204 to rotate. The hollow gear 204 will drive the connecting post 203 to rotate 180 degrees, which in turn causes the partition 208 to rotate 180 degrees as well. Finally, the filter element 210 directly above the semicircular plate 301 and the filter element 210 directly below the mounting plate 212 are swapped. Then, the first electric push rod 202 is activated, causing the swapped filter element 210 to move upward and the docking sleeve 211 to reconnect with the docking pipe 213. Then, the first motor 306 is activated, causing the lifting plate 302 to move upward and engage with the partition plate 208. At this point, normal filtration production can be resumed. Afterward, a suitable time needs to be found to open the sealing plate 102 and replace the filter element 210 on the semicircular plate 301.

[0041] 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. A purification filter for chemical production, comprising a filter box (1), wherein a replacement window (101) is provided on the top of one side of the filter box (1), the top surface of the replacement window (101) is covered with a sealing plate (102), and a vent pipe (103) is fixedly connected to the top of one side of the filter box (1). Its features are, Also includes: A transfer assembly (2) is provided above the interior of the filter box (1). The transfer assembly (2) includes an installation chamber (201) fixed to the top surface of the filter box (1). A first electric push rod (202) is fixedly connected to the top of the installation chamber (201). A connecting column (203) is connected through the middle of the top surface of the filter box (1). A hollow gear (204) is slidably connected to the top of the connecting column (203). A second electric push rod (205) is provided on one side of the interior of the installation chamber (201). A rack (206) is fixedly connected to the output end of the second electric push rod (205). An installation ring (207) is fixedly connected to the bottom of the hollow gear (204). The bottom end of the connecting column (203) is fixedly connected to a partition plate (208), and the partition plate (208) is provided with several evenly distributed docking holes (209). A filter element (210) is inserted into the docking hole (209), and a docking sleeve (211) is fixedly connected to the top end of the filter element (210). One end of the vent pipe (103) that extends into the filter box (1) is fixedly connected to an installation plate (212), and a connecting pipe (213) is fixedly connected to the bottom of the installation plate (212). A sealing ring (214) is fixedly connected to the outside of the connecting pipe (213). The filter box (1) is provided with a partition component (3) on one side inside. The partition component (3) includes a semi-circular plate (301) fixed inside the filter box (1). A lifting plate (302) is slidably connected to one side of the semi-circular plate (301). A sealing sleeve (303) is wrapped around the outside of the lifting plate (302). A stud (304) and a sliding column (305) are rotatably installed on the top surface of the semi-circular plate (301). An extension strip (307) is rotatably connected to the top of both the stud (304) and the sliding column (305). The extension strip (307) is fixedly connected to the filter box (1). A threaded sleeve (308) is slidably connected to the external thread of the stud (304). A connecting block (310) is fixedly connected between the threaded sleeve (308) and the sealing sleeve (303).

2. A purification filter for chemical production according to claim 1, characterized in that: The output end of the first electric actuator (202) is rotatably connected to the top of the connecting column (203), the rack (206) is meshed with the hollow gear (204), the mounting ring (207) is rotatably connected to the bottom surface of the mounting chamber (201), and the second electric actuator (205) is fixedly connected to the interior of the mounting chamber (201).

3. A purification filter for chemical production according to claim 1, characterized in that: A sliding groove is provided on the outer side of the connecting column (203), and the hollow gear (204) is slidably connected to the connecting column (203).

4. A purification filter for chemical production according to claim 1, characterized in that: The docking sleeve (211) is attached to the top surface of the partition (208), the lifting plate (302) wraps around the sealing sleeve (303) and is fitted to the middle of the bottom surface of the partition (208), and the partition (208) is attached to the inner wall of the filter box (1).

5. A purification filter for chemical production according to claim 1, characterized in that: The connecting pipe (213) is inserted into the connecting sleeve (211), and the closing ring (214) is attached to the top surface of the connecting sleeve (211).

6. A purification filter for chemical production according to claim 1, characterized in that: A sliding sleeve is slidably connected to the outside of the sliding column (305), and a connecting block (310) is also fixedly connected between the sliding sleeve and the sealing sleeve (303).

7. A purification filter for chemical production according to claim 1, characterized in that: A first motor (306) is fixedly connected to the bottom of one side of the semi-circular plate (301). The output end of the first motor (306) is fixedly connected to the stud (304). Vertical grooves (309) are symmetrically opened on the inner wall of the filter box (1). The lifting plate (302) wraps around the sealing sleeve (303) and slides in the vertical groove (309). The sealing sleeve (303) fits against the inner wall of the vertical groove (309).

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