CN220939479U

CN220939479U - Ferrous sulfate remove device in concentrated sulfuric acid

Info

Publication number: CN220939479U
Application number: CN202322032834.8U
Authority: CN
Inventors: 张璧; 乔玥; 王海波
Original assignee: Longbai Xiangyang Titanium Industry Co ltd
Current assignee: Longbai Xiangyang Titanium Industry Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-05-14
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a device for removing ferrous sulfate in concentrated sulfuric acid, belongs to the technical field of chemical industry, and aims to solve the problems that a filter screen is blocked and the liquid outlet speed is slowed down when the waste acid is filtered by the filter screen in the prior art. The filter device comprises a filter screen, wherein two ends of the filter screen in the length direction are respectively connected with the side wall of the box body in a rotating way, and the top of the filter screen is opened and positioned below the feed inlet; arc-shaped surfaces matched with the filter screen are arranged on two side walls of the box body in the width direction; the box body is also provided with a driving device for driving the filter screen to reciprocally rotate. In the utility model, the driving device drives the filter screen to do reciprocating rotation along the arc-shaped surface on the inner wall of the box body, and ferrous sulfate on the surface of the filter screen is continuously displaced on the filter screen due to the reciprocating motion of the filter screen, thereby reducing the blocking probability of the filter screen and improving the liquid outlet speed.

Description

Ferrous sulfate remove device in concentrated sulfuric acid

Technical Field

The utility model belongs to the field of chemical industry, and particularly relates to a device for removing ferrous sulfate in concentrated sulfuric acid.

Background

In the process of producing titanium pigment by using a sulfuric acid method, a large amount of waste acid with the concentration of about 24% is generated, the waste acid is concentrated into waste acid with the concentration of 40-45% by steam evaporation and water, and then the waste acid is mixed with 98% of acid to generate acid with the concentration of 55% and titanium concentrate for acidolysis. In the process, the higher the concentration of the concentrated waste acid, the less 98% of acid is needed for mixing, and the lower the production cost is, so the waste acid can be treated in the prior art to improve the concentration.

The concentration of the treated sulfuric acid is increased, a large amount of ferrous sulfate is separated out and suspended in the waste acid, solid ferrous sulfate crystals and acid liquor are required to be filtered, the waste acid is filtered by a filter screen in the prior art, and in the filtering process, the filter screen is blocked and the liquid outlet speed is slowed down as more and more impurities are filtered on the filter screen.

Disclosure of utility model

In view of the above, the utility model provides a device for removing ferrous sulfate in concentrated sulfuric acid, which aims to solve the problems that in the prior art, a filter screen is adopted to filter waste acid, but in the filtering process, as more and more impurities are filtered on the filter screen, the filter screen is blocked, and the liquid outlet speed is slowed down.

The technical scheme adopted by the utility model is as follows:

The device comprises a box body, wherein a feed inlet is formed in the top of the box body, a filtering device is arranged in the box body, the filtering device comprises a filter screen, two ends of the filter screen in the length direction are respectively connected with the side wall of the box body in a rotating manner, and the top of the filter screen is opened and positioned below the feed inlet; arc-shaped surfaces matched with the filter screen are arranged on two side walls of the box body in the width direction; the box body is also provided with a driving device for driving the filter screen to reciprocally rotate.

In the technical scheme, the filter screen can do circular motion in the box body because the arc-shaped surface matched with the filter screen is arranged on the box body; the principle of the scheme is as follows: when waste acid is required to be filtered, the container containing the waste acid is communicated with the feed inlet, then the waste acid is discharged into the box body from the feed inlet through the water pump, then the driving device is started, the driving device drives the filter screen to do reciprocating rotation along the arc-shaped surface on the inner wall of the box body, and ferrous sulfate on the surface of the filter screen is enabled to continuously move on the filter screen due to the reciprocating motion of the filter screen, so that the blocking probability of the filter screen is reduced, and the liquid outlet speed is improved.

Preferably, two ends of the filter screen are rotationally connected with the side wall of the box body through a rotating shaft; the driving device comprises a motor and a transmission assembly, the motor is arranged on the side wall of the box body, the transmission assembly is used for transmitting and connecting an output shaft of the motor with the rotating shaft, and when the output shaft of the motor rotates, the transmission assembly drives the rotating shaft to rotate reciprocally.

In the technical scheme, when the filter screen is required to be driven to rotate in a reciprocating manner, the motor is started, power is transmitted to the transmission assembly by the motor, and the transmission assembly can drive the rotating shaft to rotate in a reciprocating manner after receiving the power of the motor, so that the filter screen can rotate in a reciprocating manner; it is emphasized that in this scheme, with the unidirectional rotation motion of motor output shaft, through the transmission of drive assembly after, can make the pivot carry out bi-directional reciprocating motion, and then realized the reciprocal rotation of filter screen.

Preferably, the transmission assembly comprises a turntable, a limiting rod and a limiting shaft; the rotary table is rotationally connected to the side wall of the box body and driven by a motor, and an output shaft of the motor is parallel to the rotating shaft; the limiting shaft is fixedly connected to the turntable, is arranged along the axial direction of the turntable and is spaced from the center of the turntable; the fixed cover of one end on gag lever post length direction is established in the pivot, just run through on the gag lever post and be equipped with the spacing groove, the radial setting of spacing groove along the pivot, the spacing axle slides and inlays to establish in the spacing groove.

In this technical scheme, it is to be noted that, when needs drive filter screen reciprocating rotation, the starter motor, motor drive carousel rotate, drive spacing axle rotation on the carousel after the carousel rotates for spacing axle removes in the spout on the gag lever post, and then drives the gag lever post and revolves the pivot and revolves round the pivot and revolve round the corner and then drive the filter screen and make a round trip to rotate in the box, and then reaches the function of carrying out rotatory filtration to waste acid.

Preferably, the transmission assembly further comprises a gear and a plurality of tooth blocks; the tooth blocks are arranged on the side wall of the turntable at intervals along the circumferential direction of the turntable; the gear is rotationally connected to the side wall of the box body, and the gear is meshed with the tooth block; and an output shaft of the motor is fixedly connected with the center of the gear.

In the technical scheme, the output shaft of the motor cannot be directly connected with the center of the turntable due to the existence of the limiting rod, otherwise, the situation of action interference occurs, and secondly, the motor cannot be directly arranged in the box body due to the fact that concentrated sulfuric acid exists in the box body, otherwise, the situation of corrosion occurs; therefore, in this scheme, through the setting of tooth piece and gear, can make the motor just can drive the carousel rotation in the outside of box.

Preferably, one end of the box body, which faces the side wall of the filter screen, is penetrated with a gate, and the gate is provided with an opening and closing door for opening and closing the gate.

In the technical scheme, the filter cake on the filter screen is taken out from the gate by a worker conveniently through the arranged opening and closing door.

Preferably, the downward two sides of the gate are provided with clamping grooves, the clamping grooves are arranged along the length direction of the box body, and the upper end and the lower end of the opening and closing door are respectively and slidably embedded in the two clamping grooves.

According to the technical scheme, the opening and closing of the gate can be realized by pulling the opening and closing door left and right by the aid of the clamping groove.

Preferably, a handle is arranged at one end of the opening and closing door, which is far away from the filter screen.

In the technical scheme, the operator can conveniently pull the opening and closing door through the arranged handle.

Preferably, a discharge hole communicated with the inner cavity of the box body is formed in the bottom of the box body, and a valve is arranged at the discharge hole.

In the technical scheme, the discharge port and the valve are arranged to facilitate the discharge of filtered waste acid.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. in the utility model, the driving device drives the filter screen to do reciprocating rotation along the arc-shaped surface on the inner wall of the box body, and ferrous sulfate on the surface of the filter screen is continuously displaced on the filter screen due to the reciprocating motion of the filter screen, thereby reducing the blocking probability of the filter screen and improving the liquid outlet speed.

2. According to the utility model, the unidirectional rotation of the motor output shaft can make the rotating shaft perform bidirectional reciprocating motion after being transmitted by the transmission component, so that the reciprocating rotation of the filter screen is realized.

3. According to the utility model, through the arrangement of the tooth blocks and the gears, the motor can drive the turntable to rotate outside the box body.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of the present utility model;

Fig. 2 is a schematic perspective view of the case of the present utility model without the opening/closing door;

FIG. 3 is a right side perspective view of the case of the present utility model;

FIG. 4 is a schematic left-hand perspective view of the case of the present utility model;

FIG. 5 is a schematic perspective view of the filter screen and the driving device of the present utility model;

FIG. 6 is a schematic perspective view of the filter screen of the present utility model rotated by a certain angle;

fig. 7 is a schematic perspective view of the case of the present utility model when the door is opened.

Reference numerals

10-Box, 11-feed inlet, 12-discharge outlet, 13-arc surface, 14-switch door, 141-handle, 15-draw-in groove, 16-gate, 20-filter screen, 21-pivot, 30-drive arrangement, 31-carousel, 311-spacing axle, 312-tooth piece, 32-gag lever post, 321-spacing groove, 33-motor, 34-gear.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Example 1

As shown in fig. 1-7, the embodiment of the utility model discloses a ferrous sulfate removing device in concentrated sulfuric acid, which comprises a box body 10, wherein a feed inlet 11 is formed in the top of the box body 10, a filtering device is arranged in the box body 10, the filtering device comprises a filter screen 20, two ends of the filter screen 20 in the length direction are respectively and rotatably connected with the side wall of the box body 10, and the top of the filter screen is opened and positioned below the feed inlet 11; arc-shaped surfaces 13 matched with the filter screen 20 are arranged on two side walls of the box body 10 in the width direction; the box 10 is further provided with a driving device 30 for driving the filter screen 20 to reciprocally rotate.

It should be noted that, in this solution, the case 10 is provided with the arc-shaped surface 13 that is matched with the filter screen 20, so that the filter screen 20 can perform a circular motion in the case 10; the principle of the scheme is as follows: when waste acid is required to be filtered, a container containing the waste acid is communicated with the feed inlet 11, then the waste acid is discharged into the box body 10 from the feed inlet 11 through the water pump, then the driving device 30 is started, the driving device 30 drives the filter screen 20 to do reciprocating rotation along the arc-shaped surface 13 on the inner wall of the box body 10, and ferrous sulfate on the surface of the filter screen 20 is enabled to continuously move on the filter screen 20 due to the reciprocating motion of the filter screen 20, so that the blocking probability of the filter screen 20 is reduced, and the liquid outlet speed is improved.

In one embodiment, as shown in fig. 4 to 6, two ends of the filter screen 20 are rotatably connected to the side wall of the case 10 through a rotating shaft 21; the driving device 30 comprises a motor 33 and a transmission assembly, the motor 33 is arranged on the side wall of the box body 10, the transmission assembly is used for connecting an output shaft of the motor 33 with the rotating shaft 21 in a transmission manner, and when the output shaft of the motor 33 rotates, the transmission assembly is used for driving the rotating shaft 21 to rotate in a reciprocating manner.

When the filter screen 20 needs to be driven to rotate reciprocally, the motor 33 is started, the motor 33 transmits power to the transmission assembly, and the transmission assembly receives the power of the motor 33 and then drives the rotating shaft 21 to rotate reciprocally, so as to realize the reciprocal rotation of the filter screen 20; it should be emphasized that in this solution, the unidirectional rotation of the output shaft of the motor 33 can make the spindle 21 perform bidirectional reciprocating motion after the transmission of the transmission assembly, so as to realize the reciprocating rotation of the filter screen 20.

In one embodiment, as shown in fig. 4-6, the transmission assembly includes a turntable 31, a limit rod 32, and a limit shaft 311; the turntable 31 is rotatably connected to the side wall of the box body 10, the turntable 31 is driven by a motor 33, and an output shaft of the motor 33 is parallel to the rotating shaft 21; the limiting shaft 311 is fixedly connected to the turntable 31, and the limiting shaft 311 is arranged along the axial direction of the turntable 31 and is spaced from the center of the turntable 31; the fixed cover of one end in gag lever post 32 length direction is established in pivot 21, just run through on the gag lever post 32 and be equipped with spacing groove 321, spacing groove 321 radially sets up along pivot 21, spacing shaft 311 slides and inlays and establish in spacing groove 321.

When the filter screen 20 needs to be driven to rotate reciprocally, the motor 33 is started, the motor 33 drives the turntable 31 to rotate, and the turntable 31 drives the limiting shaft 311 on the turntable 31 to rotate after rotating, so that the limiting shaft 311 moves in the chute on the limiting rod 32, and then drives the limiting rod 32 to rotate back and forth around the rotating shaft 21, and the rotating shaft 21 rotates back and forth to drive the filter screen 20 to rotate back and forth in the box 10, so that the function of rotationally filtering the waste acid is achieved.

In one embodiment, as shown in fig. 4-6, the transmission assembly further includes a gear 34 and a plurality of tooth blocks 312; a plurality of tooth blocks 312 are arranged on the side wall of the turntable 31 at intervals along the circumferential direction of the turntable 31; the gear 34 is rotatably connected to the side wall of the box 10, and the gear 34 is meshed with the tooth block 312; the output shaft of the motor 33 is fixedly connected with the center of the gear 34.

It should be noted that, because the outside of the turntable 31 has the limit lever 32, the output shaft of the motor 33 cannot be directly connected with the center of the turntable 31, otherwise, the situation of action interference occurs, and secondly, because the inside of the box 10 has concentrated sulfuric acid, the motor 33 cannot be directly arranged inside the box 10, otherwise, the situation of corrosion occurs; therefore, in this solution, the motor 33 can drive the turntable 31 to rotate outside the box 10 through the arrangement of the gear block 312 and the gear 34.

In one embodiment, as shown in fig. 7, a gate 16 is disposed through an end of the case 10 facing the sidewall of the filter 20, and an opening/closing door for opening/closing the door 14 is disposed at the gate 16. The operator can take out the filter cake on the filter screen 20 from the gate 16 conveniently by providing an opening and closing door.

In one embodiment, as shown in fig. 7, the two downward sides of the door 16 are provided with clamping grooves 15, the clamping grooves 15 are arranged along the length direction of the box 10, and the upper and lower ends of the opening and closing door are respectively and slidably embedded in the two clamping grooves 15. The opening and closing of the gate 16 can be realized by the left and right pulling of the opening and closing door by the arranged clamping groove 15.

In one embodiment, as shown in fig. 7, the end of the opening and closing door away from the filter screen 20 is provided with a handle 141. The operator can conveniently pull the opening and closing door through the handle 141.

In one embodiment, as shown in fig. 1, a discharge port 12 is disposed at the bottom of the box 10 and is in communication with the inner cavity of the box, and a valve is disposed at the discharge port 12. The discharge port 12 and the valve are arranged to facilitate the discharge of the filtered spent acid.

The working principle of the utility model is as follows: when waste acid is required to be filtered, a container containing the waste acid is communicated with the feed inlet 11, then the waste acid is discharged into the box 10 from the feed inlet 11 through the water pump, then the motor 33 is started, the motor 33 drives the rotary table 31 to rotate, and the rotary table 31 drives the limiting shaft 311 on the rotary table 31 to rotate after rotating, so that the limiting shaft 311 moves in the chute on the limiting rod 32, and then drives the limiting rod 32 to rotate left and right around the rotating shaft 21, and the rotating shaft 21 rotates back and forth to drive the filter screen 20 to rotate back and forth in the box 10, so that the function of swing filtering of the waste acid is achieved.

The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a ferrous sulfate remove device in concentrated sulfuric acid, includes box (10), box (10) top is equipped with feed inlet (11), be equipped with filter equipment in box (10), its characterized in that, filter equipment includes filter screen (20), the both ends in filter screen (20) length direction are connected with the lateral wall rotation of box (10) respectively, the open-top of filter screen just is located the below of feed inlet (11);

Arc-shaped surfaces (13) matched with the filter screen (20) are arranged on two side walls of the box body (10) in the width direction;

the box body (10) is also provided with a driving device (30) for driving the filter screen (20) to rotate in a reciprocating manner.

2. The device for removing ferrous sulfate from concentrated sulfuric acid according to claim 1, wherein two ends of the filter screen (20) are rotatably connected with the side wall of the box body (10) through a rotating shaft (21);

The driving device (30) comprises a motor (33) and a transmission assembly, the motor (33) is arranged on the side wall of the box body (10), the transmission assembly is used for connecting an output shaft of the motor (33) with the rotating shaft (21) in a transmission manner, and when the output shaft of the motor (33) rotates, the transmission assembly is used for driving the rotating shaft (21) to rotate in a reciprocating manner.

3. The device for removing ferrous sulfate from concentrated sulfuric acid according to claim 2, wherein the transmission assembly comprises a turntable (31), a limit rod (32) and a limit shaft (311);

The turntable (31) is rotatably connected to the side wall of the box body (10), the turntable (31) is driven by a motor (33), and an output shaft of the motor (33) is parallel to the rotating shaft (21);

the limiting shaft (311) is fixedly connected to the turntable (31), and the limiting shaft (311) is arranged along the axial direction of the turntable (31) and is spaced from the center of the turntable (31);

the one end fixed cover on gag lever post (32) length direction is established in pivot (21), just run through on gag lever post (32) and be equipped with spacing groove (321), spacing groove (321) are along the radial setting of pivot (21), spacing axle (311) slip is inlayed and is established in spacing groove (321).

4. A ferrous sulfate removal means in concentrated sulfuric acid as defined in claim 3 wherein the drive assembly further comprises a gear (34) and a plurality of tooth blocks (312);

The tooth blocks (312) are arranged on the side wall of the turntable (31) at intervals along the circumferential direction of the turntable (31);

The gear (34) is rotatably connected to the side wall of the box body (10), and the gear (34) is meshed with the tooth block (312);

an output shaft of the motor (33) is fixedly connected with the center of the gear (34).

5. The device for removing ferrous sulfate from concentrated sulfuric acid according to any one of claims 1 to 4, wherein a gate (16) is provided at one end of the casing (10) facing the side wall of the filter screen (20), and an opening/closing door (14) for opening/closing the gate is provided at the gate (16).

6. The device for removing ferrous sulfate from concentrated sulfuric acid according to claim 5, wherein the two downward sides of the gate (16) are provided with clamping grooves (15), the clamping grooves (15) are arranged along the length direction of the box body (10), and the upper and lower ends of the opening and closing gate are respectively and slidably embedded in the two clamping grooves (15).

7. The device for removing ferrous sulfate from concentrated sulfuric acid according to claim 6, wherein a handle (141) is provided at an end of the opening/closing door away from the filter screen (20).

8. The device for removing ferrous sulfate from concentrated sulfuric acid according to any one of claims 1 to 4, wherein a discharge port (12) communicated with the inner cavity of the box body (10) is arranged at the bottom of the box body, and a valve is arranged at the discharge port (12).