Chemical pump for chemical safety production

Abstract

The utility model discloses a chemical pump for chemical safety production, which comprises a pump body, the output end of the pump body is connected with a first U-shaped pipe, the two ends of the first U-shaped pipe are connected with filters, the interiors of the two filters are provided with filtering assemblies, and the filtering assemblies comprise sealing seats which are respectively connected with the interiors of the corresponding filters in a sliding mode. Mounting frames are inserted into the two sealing seats; the piezoelectric ceramic vibrator generates vibration based on the piezoelectric effect after being electrified, the vibration is transmitted to the filter plate through the vibration frame, and meanwhile, the buffer spring of the elastic part is matched with the filter plate for resonance, so that the filter plate can effectively shake off impurities, filtering and cleaning are synchronously carried out, shutdown is not needed, and the working efficiency is improved. The filter plate prevents impurities from being accumulated and blocked on the filter plate, ensures continuous and stable work of the chemical pump, greatly improves the filtering efficiency, ensures the continuity of the chemical production process, reduces the production interruption caused by equipment failure, and reduces the production cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical industry pump technical field, concretely is a chemical industry pump for chemical safety production. BACKGROUND

[0002] Chemical industry pump is a kind of high-efficiency energy-saving pump, its performance and technical requirement strictly follow the performance and size design specified in international standard ISO2858, the pump has the following characteristics: the hydraulic performance design of pump is scientific and reasonable, and full series pump type covers widely, and user can flexibly select according to different needs;Adopt the modularization design of back opening, and it is convenient and efficient to overhaul and maintain;The running efficiency and suction performance of pump reach international advanced level, can significantly reduce energy consumption and improve use efficiency.

[0003] Through the retrieval, a kind of chemical industry pump for chemical safety production of patent publication number "CN218266319U", including pump body and the mounting seat of fixed connection in the bottom of pump body, the liquid inlet of pump body is connected with water inlet pipe, and the movable plate is located in the inner wall of filter box One side rotationally connected with rotating block, the rotating block one side is fixedly connected with cleaning brush, the utility model relates to chemical industry pump technical field;The chemical industry pump for chemical safety production can realize the surface cleaning of filter screen without disassembling filter assembly, avoid the blockage of filter screen internal mesh hole caused by particulate impurities to thereby affect liquid filtration problem, reduce the dismounting frequency of filter assembly, also guarantee the sealing between filter assembly and filter box, improve cleaning efficiency.

[0004] The above technical features have the following disadvantages: the device moves up and down and rotates the impurities on the filter screen by driving rotating block to drive cleaning brush, but the equipment needs to be stopped during cleaning, otherwise the impurities will flow away with the liquid, so that the cleaning work cannot be carried out simultaneously with the equipment operation, secondly, only by moving up and down and rotating, only the impurities in the vertical direction can be cleaned, so that there are dead angles, the cleaning effect is uneven, and the area that has not been cleaned will be blocked for a long time.

[0005] Therefore, a chemical industry pump for chemical safety production is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a chemical industry pump for chemical safety production to solve the problems in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A chemical pump for chemical safety production, including the pump body, the output of pump body is connected with first U -shaped tube, both ends of first U -shaped tube are connected with filter, the inside of two filters is equipped with filter assembly, and filter assembly includes the sealing seat of sliding connection in the inside of corresponding filter respectively, the inside of two sealing seats is inserted with installation frame, the inside of two installation frames is equipped with the filter board of matching, one side of two filter boards is equipped with the elasticity part, the other side of two filter boards is equipped with the piezoelectric ceramic transducer of matching, the outside wall of two sealing covers is installed in two sealing covers, the outside wall of two sealing covers is connected with moving mechanism, and moving mechanism controls corresponding filter assembly to move in and move out respectively, the output of two filters is connected with first control valve, and the output of two first control valves is connected with second U -shaped tube.

[0008] Preferably, the outer side wall of the two filter boards is threadedly connected with a vibration frame, and the two vibration frames are fixedly connected with the corresponding elastic parts, respectively.

[0009] Preferably, the two piezoelectric ceramic transducers are detachably installed on the corresponding sealing seats, and a group of the first U-shaped tubes, filters and sealing seats are connected with each other.

[0010] Preferably, the elastic part is composed of a plurality of buffer springs, and is arranged around the central axis of the filter plate.

[0011] Preferably, the moving mechanism comprises a connecting block fixedly installed on the outer side wall of the corresponding sealing cover, a moving block is installed on one side of the two connecting blocks, a drive screw is threadedly connected to the upper inner wall of the two moving blocks, a limiting shaft is slidably connected to the lower inner wall of the two moving blocks, and a fixed seat is rotatably installed at both ends of the moving block and the limiting shaft.

[0012] Preferably, a feed inlet of the second U-shaped tube is provided with a feed pipe, the outer side wall of the feed pipe is connected with a third control valve for controlling the delivery amount of the material, and a supporting seat is installed at the bottom of the pump body.

[0013] Preferably, the output end of the second control valve is connected with a cleaning pipe, when cleaning the filter plate, the cleaning liquid is delivered into the filter assembly through the third control valve for cleaning, and is discharged through the second control valve into the cleaning pipe.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a filter plate can effectively shake off impurities, realizes that the filtration and cleaning are carried out simultaneously, need not stop, avoids the impurity and piles up and blocks on the filter plate, ensures that chemical pump works continuously and stably, improves the filtration efficiency greatly, guarantees the continuity of chemical production process, reduces the production interruption due to equipment failure, reduces production cost.

[0016] 2. When needing to maintain or replace the filter assembly, only need to close the corresponding first control valve, operate drive screw rotation, can make the moving block drive sealing cover plate and filter assembly to move out filter stably under the limitation of limiting shaft. The design that the filter assembly can be moved out alone greatly facilitates the maintenance work, reduces maintenance difficulty and time cost. In the aspect of equipment cleaning, through reasonable operation third control valve and second control valve, can deliver cleaning liquid to filter assembly and carry out overall cleaning, and the cleaning liquid finally flows out through cleaning pipe. Regular cleaning can effectively remove the internal residual impurities of equipment, prolongs the service life of equipment, guarantees that chemical pump is always in good working condition, improves the practicability and reliability of equipment.

[0017] 3. The utility model discloses a cleaning pipe and the setting of second control valve, when regular cleaning equipment, close material delivery pipeline, open third control valve 13 and second control valve 21, through third control valve 13 deliver cleaning liquid to filter assembly, and after cleaning liquid carries out cleaning to filter plate 8 and other components, flows into cleaning pipe 20 and discharges through second control valve 21, then will not flow into the inside of pump, and equipment need not stop. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the main structure schematic drawing of the utility model;

[0019] Figure 2 It is the structure schematic drawing of the utility model moving mechanism;

[0020] Figure 3 It is the filter internal section structure schematic drawing of the utility model;

[0021] Figure 4 It is Figure 3 The enlarged view of A in

[0022] In the figure: 1, pump body; 2, first U-shaped pipe; 3, filter; 4, sealing seat; 5, mounting frame; 6, buffer spring; 7, vibration frame; 8, filter plate; 9, piezoelectric ceramic vibrator; 10, second U-shaped pipe; 12, first control valve; 13, third control valve; 14, fixed seat; 15, drive screw; 16, moving block; 17, limiting shaft; 18, sealing cover plate; 19, connecting block; 20, cleaning pipe; 21, second control valve; 22, support seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1: please refer to Figures 1-4 The utility model provides a kind of technical scheme: a chemical pump for chemical safety production, including pump body 1, the output end of pump body 1 is connected with first U-shaped pipe 2, the both ends of first U-shaped pipe 2 are connected with filter 3, the inside of two filters 3 is equipped with filter assembly, filter assembly includes the sealing seat 4 of sliding connection in the inside of corresponding filter 3 respectively, the inside of two sealing seats 4 is inserted with mounting frame 5, the inside of two mounting frames 5 is equipped with matching filter plate 8, the side of two filter plates 8 is equipped with elastic part, the other side of two filter plates 8 is equipped with matching piezoelectric ceramic vibrator 9, its working principle is based on piezoelectric effect, when alternating voltage is applied on piezoelectric ceramic vibrator 9, piezoelectric ceramic will occur alternating strain, to generate alternating stress, this alternating stress can cause the vibration of amplitude bar and tool head, further, mechanical energy is transmitted to working medium, that is, vibration is transmitted to filter plate 8, resonance is carried out with elastic part, further improve the effect of removing impurities, the outer side wall of two sealing seats 4 is equipped with sealing cover plate 18, the outer side wall of two sealing cover plates 18 is connected with moving mechanism, moving mechanism controls corresponding filter assembly to move in and out respectively, the output end of two filters 3 is connected with first control valve 12, the output end of two first control valves 12 is connected with second U-shaped pipe 10.

[0025] In the embodiment, the outer side wall of two filter plates 8 is threadedly connected with vibration frame 7, two vibration frames 7 are fixedly connected with corresponding elastic part respectively, the other side of two vibration frames 7 is in contact with corresponding piezoelectric ceramic vibrator 9 respectively;

[0026] Two piezoelectric ceramic vibrators 9 are detachably installed on corresponding sealing seat 4, corresponding a group of first U-shaped pipe 2 and filter 3 and sealing seat 4 are connected with each other.

[0027] In the embodiment, the elastic part is composed of a plurality of buffer springs 6, and is arranged around the central axis of the filter plate 8. The filter plate 8 is connected by the annularly arranged springs and resonates with the piezoelectric ceramic vibrator 9, so that the impurities on the filter plate are removed.

[0028] In the embodiment, the moving mechanism includes connecting blocks 19 fixedly installed on the outer sidewalls of the corresponding sealing cover plates 18 respectively, and a moving block 16 is installed on one side of each of the two connecting blocks 19. A driving screw 15 is threadedly connected to the upper inner walls of the two moving blocks 16, and a limiting shaft 17 is slidingly connected to the lower inner walls of the two moving blocks 16. The two ends of the moving block 16 and the limiting shaft 17 are rotatably installed in the fixed seat 14. When the filter plate 8 needs to be replaced or maintained, one of the first control valves 12 is closed, so that the liquid cannot flow into the inside of the filter 3 which needs to be replaced. At this time, the driving screw 15 is driven by external power to rotate and pull the sealing plate 18 to move the filter assembly to the outside for maintenance and replacement. When the filter plate 8 is installed, the operation is reversed. It should be noted that a manual valve is arranged at the output end of each filter 3 to prevent the reverse flow of the liquid and ensure the normal use of the equipment.

[0029] In the embodiment, the feeding pipe is installed at the feeding end of the second U-shaped pipe 10, and the third control valve 13 is connected to the outer sidewall of the feeding pipe to control the conveying amount of the material. The support seat 22 is installed at the bottom of the pump body 1.

[0030] The output end of the second control valve 21 is connected to the cleaning pipe 20. When the filter plate is cleaned, the cleaning liquid is conveyed into the filter assembly by the third control valve 13 to clean, and is switched to flow out of the inside of the cleaning pipe 20 by the second control valve 21.

[0031] The working principle is as follows: before use, the pump body 1 of the chemical pump is stably placed in a suitable position by the support seat 22, it is checked whether the connection of each part is tight, and the preparation before starting is started. All control valves are closed, the material conveying pipeline is connected to the system, the feeding pipe connected to the feeding end of the second U-shaped pipe 10 is connected to the feeding pipe, and it is ensured that the connection is firm and leakproof. The cleaning liquid is prepared, the cleaning pipe 20 is connected, then the third control valve 13 is opened, the pump body 1 is started, the material is output from the pump body 1, enters the two filters 3 through the first U-shaped pipe 2, the filter plate 8 filters the material in the filter 3, the filtered material enters the second U-shaped pipe 10 through the first control valve 12, and is conveyed to a designated position through the feeding pipe. During the filtering process, the piezoelectric ceramic vibrator 9 is electrified to generate vibration, which is transmitted to the filter plate 8 through the vibration frame 7. The buffer spring 6 of the elastic part resonates with the filter plate 8 to shake off the impurities on the filter plate 8, thereby improving the filtering effect.

[0032] When it is necessary to maintain or replace a certain filter component, the corresponding first control valve 12 of the filter 3 is closed, the moving mechanism is started, the driving screw 15 is rotated by external power, the moving block 16 moves steadily under the limitation of the limiting shaft 17, the sealing cover plate 18 and the filter component are moved out of the filter 3 for maintenance or replacement, after the completion, the moving mechanism is operated reversely, the new or maintained filter component is installed back to the original position, the first control valve 12 is opened to continue working, when the equipment is cleaned regularly, the material conveying pipeline is closed, the third control valve 13 and the second control valve 21 are opened, the cleaning liquid is conveyed into the filter component through the third control valve 13, after the cleaning liquid cleans the filter plate 8 and other components, the cleaning liquid flows into the cleaning pipeline 20 to be discharged through the second control valve 21, after the cleaning is completed, the relevant valves are closed, and the next work is prepared.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A chemical pump for safe production of chemicals, comprising a pump body (1), characterized in that: The output end of the pump body (1) is connected with a first U-shaped pipe (2) and a second control valve (21), both ends of the first U-shaped pipe (2) are connected with filters (3), the interiors of the two filters (3) are each provided with a filter assembly, the filter assembly comprises a sealing seat (4) which is slidingly connected in the interior of the corresponding filter (3), both interiors of the two sealing seats (4) are inserted with mounting frames (5), both interiors of the two mounting frames (5) are provided with matching filter plates (8), one side of each of the two filter plates (8) is provided with an elastic part, the other side of each of the two filter plates (8) is provided with a matching piezoelectric ceramic vibrator (9), the outer side walls of both sealing seats (4) are each provided with a sealing cover plate (18), the outer side walls of both sealing cover plates (18) are commonly connected with a moving mechanism, the moving mechanism controls the corresponding filter assembly to move in and out respectively, the output ends of both filters (3) are connected with first control valves (12), and the output ends of both first control valves (12) are commonly connected with a second U-shaped pipe (10).

2. The chemical pump for safe production of chemicals according to claim 1, characterized in that: The outer side walls of both filter plates (8) are threadedly connected with vibration frames (7), both vibration frames (7) are fixedly connected with the corresponding elastic parts respectively, and the other sides of both vibration frames (7) are in contact with the corresponding piezoelectric ceramic vibrators (9) respectively.

3. The chemical pump for safe production of chemicals according to claim 2, characterized in that: Both piezoelectric ceramic vibrators (9) are detachably installed on the corresponding sealing seats (4), and a group of first U-shaped pipes (2), filters (3) and sealing seats (4) are connected with each other through holes.

4. The chemical pump for safe production of chemicals according to claim 2, characterized in that: The elastic part is composed of a plurality of buffer springs (6) and is arranged around the central axis of the filter plate (8).

5. The chemical process safety production pump according to claim 1, characterized in that: The moving mechanism comprises connecting blocks (19) which are fixedly installed on the outer side walls of the corresponding sealing cover plates (18), one side of each of the two connecting blocks (19) is provided with a moving block (16), the upper portions of the inner walls of both moving blocks (16) are commonly threadedly connected with drive screws (15), the lower portions of the inner walls of both moving blocks (16) are commonly slidingly connected with limit shafts (17), and both ends of the moving block (16) and the limit shaft (17) are commonly rotatably installed with fixed seats (14).

6. The chemical process safety production pump according to claim 1, characterized in that: The feeding end of the second U-shaped pipe (10) is provided with a feeding pipe, the outer side wall of the feeding pipe is connected with a third control valve (13) for controlling the conveying amount of the material, and the bottom of the pump body (1) is provided with a supporting seat (22).

7. The chemical process safety production pump according to claim 6, characterized in that: The output end of the second control valve (21) is connected with a cleaning pipe (20), when the filter plate is cleaned, cleaning liquid is conveyed into the filter assembly by the third control valve (13) for cleaning, and the second control valve (21) is switched to flow out of the interior of the cleaning pipe (20).

Images