Concentrated sulfuric acid purification device for sulfuric acid production

Abstract

The utility model discloses a concentrated sulfuric acid purification device for sulfuric acid production, which belongs to the technical field of sulfuric acid and comprises a purification box, a U-shaped upper movable block and a U-shaped lower movable block are respectively arranged in an inner cavity of the purification box, and a first filter plate and a second filter plate for purifying concentrated sulfuric acid are respectively arranged in an inner cavity of the upper movable block and an inner cavity of the lower movable block in a sliding manner. Bottom plates are transversely mounted on the inner walls of the two sides of the purification box correspondingly, a plurality of damping spring shock absorbers are connected to the top faces of the two bottom plates correspondingly, the free end of each damping spring shock absorber is connected with a lower movable block, and a plurality of vertical rods are longitudinally connected to the top faces of the two bottom plates at equal intervals. The upper movable blocks and the lower movable blocks are arranged on the peripheral sides of the multiple vertical rods in a sliding and sleeving mode correspondingly, the peripheral side of each vertical rod is fixedly provided with a cushion block used for cushioning the corresponding upper movable block, and the inner side wall of the purification box is provided with a driving assembly used for vibrating the corresponding upper movable block and the corresponding lower movable block. According to the concentrated sulfuric acid purification device for sulfuric acid production, the problem that the filter holes are easily blocked by impurities is solved, and the concentrated sulfuric acid purification efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sulfuric acid technical field especially a concentrated sulfuric acid purification device of sulfuric acid production. BACKGROUND

[0002] Sulfuric acid is a most active binary inorganic strong acid, can and many metals take place reaction. High concentration sulfuric acid has strong water absorption, can be used as dehydrating agent, carbonizes wood, paper, cotton and linen fabrics and biological skin meat etc. Carbohydrate-containing substances, and sulfuric acid in production often will mix with more impurities, so in the production process will adopt purification device to sulfuric acid is filtered, but, now most purification device often adopts filter plate to concentrated sulfur acid is filtered, and all are fixedly installed in purification device, because the device filtered by filter plate will be left on the surface of filter plate, leading to the impurities left easily block in the filter hole of filter plate, further influence the flow rate of sulfuric acid through filter screen, thereby reduce the efficiency of concentrated sulfuric acid purification.

[0003] For example, the existing China announcement number is: CN218421534U a sulfuric acid filter, and it is: "including main shell, including filter box, the outer side of filter box is fixedly installed with heat preservation water tank, the top of filter box is installed with protection cover, the bottom of filter box is fixedly connected with support column, the top of protection cover is installed with pressure valve."

[0004] It can be seen that the cited patent document has the problem that concentrated sulfuric acid is easily blocked in the filter hole of the filter plate. INVENTION CONTENTS

[0005] The utility model aims at providing a concentrated sulfuric acid purification device of sulfuric acid production to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a concentrated sulfuric acid purification device of sulfuric acid production, including purification box, the inner chamber of purification box is equipped with U-shaped upper movable block and lower movable block respectively, the inner chamber of upper movable block and lower movable block is equipped with first filter plate and second filter plate for purifying concentrated sulfuric acid respectively, the both sides inner wall of purification box is installed with bottom plate transversely, the top surface of two bottom plates is connected with a plurality of damping spring shock absorbers respectively, the free end of each damping spring shock absorber is connected with lower movable block, the top surface of two bottom plates is connected with a plurality of vertical rods equidistantly and longitudinally, the circumferential side of a plurality of vertical rods is slidably sleeved with upper movable block and lower movable block respectively, the circumferential side of each vertical rod is fixedly provided with pad for pad upper movable block, the inner side wall of purification box is equipped with driving assembly for vibrating upper movable block and lower movable block.

[0007] Preferably, the driving assembly includes a drive motor, a shaft and two cams, and the drive motor is installed on one side of the purification box.

[0008] Preferably, the rotating shaft is arranged in the inner cavity of the purification box, and one end of the rotating shaft penetrates the purification box and is connected with the output end of the driving motor.

[0009] Preferably, the two cams are symmetrically arranged and fixed on the circumferential side of the rotating shaft, and the two cams abut against the upper movable block and the lower movable block respectively.

[0010] Preferably, screw holes are arranged on the top surfaces of the upper movable block, the lower movable block, the first filter plate and the second filter plate.

[0011] Preferably, bolts are screwed into the screw holes in the two positions respectively, and the top surface of the purification box is provided with a feeding port for conveying concentrated sulfuric acid.

[0012] Preferably, the top surface of the purification box is communicated with a discharge pipe for discharging the concentrated sulfuric acid after purification.

[0013] Compared with the prior art, the technical effects and advantages of the present application are as follows:

[0014] The concentrated sulfuric acid purification device for sulfuric acid production can perform secondary purification on the concentrated sulfuric acid through the arrangement of the first filter plate and the second filter plate, and the upper movable block and the lower movable block can be driven to perform longitudinal reciprocating motion regularly through the arrangement of the plurality of springs and the driving assembly, so as to achieve the vibration effect. Compared with the existing device which uses a fixed filter plate to purify the concentrated sulfuric acid, the device can vibrate the first filter plate and the second filter plate, reduce the blockage of filter holes caused by residual impurities, and thus improve the purification efficiency of the concentrated sulfuric acid.

[0015] Through the arrangement of the screw holes and the bolts, the upper filter plate and the lower filter plate can be disassembled from the inside of the upper movable block and the lower movable block, and then taken out from the purification box for treatment of the residual impurities and cleaning of the first filter plate and the second filter plate. The arrangement of the vertical rod can assist the longitudinal movement of the upper movable block and the lower movable block and limit the movement. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 is a structural schematic view of the present application;

[0018] Figure 2 is a sectional view of the purification box of the present application;

[0019] Figure 3 Structure diagram of the rotating shaft and the cam of the utility model;

[0020] Figure 4 Structure diagram of the utility model Figure 2 Structure diagram of A place in the middle.

[0021] Explanation of reference signs:

[0022] In the drawing: 1, purification tank; 2, upper movable block; 3, lower movable block; 4, first filter plate; 5, second filter plate; 6, bottom plate; 7, damping spring shock absorber; 8, vertical rod; 9, cushion block; 10, driving motor; 11, rotating shaft; 12, cam; 13, supporting block; 14, screw hole; 15, bolt; 16, feed inlet; 17, discharge pipe. DETAILED DESCRIPTION

[0023] In the following description, numerous specific details are given to provide a thorough understanding of the utility model. However, it will be apparent to one skilled in the art that the utility model can be practiced without one or more of these specific details. In other instances, well-known techniques have not been described in detail in order to avoid unnecessarily obscuring the utility model.

[0024] Unless the direction is defined separately, the directions such as up, down, left, right, front, back, inner and outer mentioned in the text are based on the directions such as up, down, left, right, front, back, inner and outer in the drawing of the utility model, which are explained here.

[0025] The connection mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0026] As Figures 1 to 4 The device for purifying concentrated sulfuric acid in the production of sulfuric acid comprises a purification tank 1, a tank door is connected to one side of the purification tank 1 through a hinge, the inner cavity of the purification tank 1 is respectively provided with a U-shaped upper movable block 2 and a lower movable block 3, the inner cavities of the upper movable block 2 and the lower movable block 3 are respectively slidably provided with a first filter plate 4 and a second filter plate 5 for purifying concentrated sulfuric acid, concentrated sulfuric acid entering the purification tank 1 can pass through the first filter plate 4 and the second filter plate 5 in sequence, so that the concentrated sulfuric acid and impurities can be twice filtered and purified.

[0027] The two side inner walls of the purification tank 1 are horizontally provided with bottom plates 6, the top surfaces of the two bottom plates 6 are respectively connected with a plurality of damping spring shock absorbers 7, the free ends of each damping spring shock absorber 7 are connected with a lower movable block 3, each damping spring shock absorber 7 can absorb the force of the downward movement of the lower movable block 3, so that when the lower movable block 3 moves downward and presses the plurality of damping spring shock absorbers 7, each damping spring shock absorber 7 can be deformed to buffer the downward pressure, so as to achieve the damping effect, the top surfaces of the two bottom plates 6 are equidistantly and longitudinally connected with a plurality of vertical rods 8, the upper movable block 2 and the lower movable block 3 are respectively slidably sleeved on the circumferential sides of the plurality of vertical rods 8, the circumferential sides of each vertical rod 8 are fixedly provided with a pad block 9 for supporting the upper movable block 2, through the arrangement of the damping spring shock absorber 7, the lower movable block 3 can perform longitudinal reciprocating motion, and the upper movable block 2 can also perform longitudinal reciprocating motion along the vertical rod 8, and the bottom surface of the upper movable block 2 and the top surface of the lower movable block 3 are respectively horizontally connected with a horizontal plate, the top ends of each vertical rod 8 are fixedly provided with a supporting block 13, the plurality of supporting blocks 13 are connected with the inner wall of the purification tank 1, so as to improve the stability of the vertical rod 8.

[0028] The inner side wall of the purification tank 1 is provided with a driving assembly for vibrating the upper movable block 2 and the lower movable block 3, the driving assembly comprises a driving motor 10, a rotating shaft 11 and two cams 12, the driving motor 10 is installed on one side surface of the purification tank 1, the rotating shaft 11 is arranged in the inner cavity of the purification tank 1, one end of the rotating shaft 11 penetrates through the purification tank 1 and is connected with the output end of the driving motor 10, the two cams 12 are symmetrically and fixedly sleeved on the circumferential side of the rotating shaft 11, the two cams 12 respectively abut against the upper movable block 2 and the lower movable block 3, so that one of the two cams 12 can abut against one side of the bottom surface of the upper movable block 2 and one side of the top surface of the lower movable block 3, and the other cam 12 abuts against the horizontal plate connected to the bottom surface of the upper movable block 2 and the horizontal plate connected to the top surface of the lower movable block 3, when filtering and purifying concentrated sulfuric acid, the driving motor 10 is started, the driving motor 10 drives the two cams 12 to rotate through the rotating shaft 11, so that the two cams 12 can regularly push and press the upper movable block 2 and the lower movable block 3, the upper movable block 2 moves upward, and the lower movable block 3 moves downward, so that the first lower movable block 3 can press the plurality of damping spring shock absorbers 7, when the cam 12 cancels the pushing of the upper movable block 2 and the pressing of the lower movable block 3 due to rotation, the lower movable block 3 moves upward through the rebound of the damping spring shock absorber 7, and the upper movable block 2 can fall downward due to gravity, repeated operation can make the upper movable block 2 and the lower movable block 3 drive the first filter plate 4 and the second filter plate 5 to continuously perform longitudinal reciprocating motion, so as to achieve the vibrating effect, thereby reducing the possibility that the impurities remaining in the first filter plate 4 and the second filter plate 5 block the filter holes, and improving the purification efficiency of the concentrated sulfuric acid.

[0029] The top surface of the upper movable block 2 and the lower movable block 3 and the first filter plate 4 and the second filter plate 5 are provided with screw holes 14, and the inner cavities of two position-aligned screw holes 14 are respectively screwed with bolts 15, and by rotating the bolts 15, the bolts 15 can be taken out from the two position-aligned screw holes 14, so as to cancel the fixing of the first filter plate 4 or the second filter plate 5, at this time, the first filter plate 4 and the second filter plate 5 can be taken out from the upper movable block 2 and the lower movable block 3, the impurities left on the surface of the first filter plate 4 and the second filter plate 5 can be treated, and the first filter plate 4 and the second filter plate 5 can be cleaned, and the disassembly is also facilitated.

[0030] The top surface of the purification tank 1 is provided with a feed port 16 for conveying concentrated sulfuric acid.

[0031] The top surface of the purification tank 1 is communicated with a discharge pipe 17 for discharging concentrated sulfuric acid after purification.

[0032] Working principle:

[0033] The concentrated sulfuric acid purification device for sulfuric acid production puts the concentrated sulfuric acid to be purified into the purification tank 1 through the feed port 16, so that the concentrated sulfuric acid can pass through the first filter plate 4 and the second filter plate 5 for filtration and purification, and the filtered concentrated sulfuric acid can be discharged through the discharge pipe 17 for collection. During the filtration and purification process, the driving motor 10 is started, and the two cams 12 are rotated by the rotating shaft 11, so that the two cams 12 can regularly push and extrude the upper movable block 2 and the lower movable block 3, the upper movable block 2 moves upward, and the lower movable block 3 moves downward, so that the lower movable block 3 can extrude the plurality of damping spring dampers 7. When the cams 12 cancel the pushing and extruding of the upper movable block 2 and the lower movable block 3 due to rotation, the lower movable block 3 is reset by the rebound of the damping spring damper 7, and the upper movable block 2 can fall downward due to gravity. Repeated operation makes the upper movable block 2 and the lower movable block 3 drive the first filter plate 4 and the second filter plate 5 to continuously move longitudinally and reciprocally, so as to achieve the effect of vibration, which can reduce the blockage of filter holes caused by impurities left on the first filter plate 4 and the second filter plate 5, thereby improving the purification efficiency of the concentrated sulfuric acid.

[0034] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "or" should be interpreted as the logical or, i.e. requiring at least one of the presented options to be true.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A concentrated sulfuric acid purification device for sulfuric acid production, comprising a purification tank (1), characterized in that: The inner cavity of the purification box (1) is provided with a U-shaped upper movable block (2) and a lower movable block (3). The inner cavities of the upper movable block (2) and the lower movable block (3) are respectively provided with a first filter plate (4) and a second filter plate (5) for purifying concentrated sulfuric acid. The inner walls of both sides of the purification box (1) are horizontally installed with a base plate (6). The top surfaces of the two base plates (6) are respectively connected with a number of damping spring dampers (7). The free end of each damping spring damper (7) is connected to the lower movable block (3). The top surfaces of the two base plates (6) are equidistantly and longitudinally connected with a number of vertical rods (8). The upper movable block (2) and the lower movable block (3) are respectively slidably sleeved on the periphery of the number of vertical rods (8). The periphery of each vertical rod (8) is fixed with a pad (9) for padding the upper movable block (2). The inner wall of the purification box (1) is provided with a drive assembly for vibrating the upper movable block (2) and the lower movable block (3).

2. The concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that: The drive assembly includes a drive motor (10), a rotating shaft (11), and two cams (12), with the drive motor (10) mounted on one side of the purification box (1).

3. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 2, characterized in that: The rotating shaft (11) is located inside the purification chamber (1), and one end of the rotating shaft (11) passes through the purification chamber (1) and is connected to the output end of the drive motor (10).

4. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 3, characterized in that: The two cams (12) are symmetrically and fixedly sleeved on the circumference of the rotating shaft (11), and the two cams (12) respectively abut against the upper movable block (2) and the lower movable block (3).

5. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that: The top surfaces of the upper movable block (2), the lower movable block (3), the first filter plate (4), and the second filter plate (5) are all provided with screw holes (14).

6. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 5, characterized in that: Two of the aligned screw holes (14) are threaded with bolts (15) respectively, and the top surface of the purification box (1) is provided with an inlet (16) for conveying concentrated sulfuric acid.

7. A concentrated sulfuric acid purification device for sulfuric acid production according to claim 1, characterized in that: The top surface of the purification box (1) is connected to a discharge pipe (17) for discharging concentrated sulfuric acid after purification.

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