Filtering device for mother liquor recovery
Through the placement frame and collection net structure driven by the vibrating motor, combined with the design of the conveying head plug-in hole, the problem of easy blockage of the filter net in the mother liquor filtration is solved, and efficient mother liquor transport and convenient maintenance of the filter net is achieved.
Patent Information
- Application Number
- CN202421887900.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-06
AI Technical Summary
During the mother liquor filtration process, the filter net is easily blocked and is inconvenient to clean or replace, which affects the filtration efficiency.
The placement frame and collection network structure driven by a vibrating motor are adopted. By increasing the contact area between the mother liquor and the collection network, combined with the plug-in hole design of the conveying head, the collection network is avoided and the mother liquor is transported out using a pump.
It effectively avoids filter clogging, improves filtration efficiency, facilitates the cleaning and replacement of filters, and ensures smooth delivery of mother liquor.
Smart Images
Figure CN223170488U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid recovery, and particularly relates to a filtering device for mother liquor recovery. Background Art
[0002] PTA, namely purified terephthalic acid, is a white crystal or powder at normal temperature, slightly toxic, flammable. If mixed with air, it will burn or even explode when encountering fire within a certain limit. Mother liquor is the residual saturated solution after separating precipitates or crystals in the chemical precipitation or crystallization process.
[0003] Currently, when filtering mother liquor, the mother liquor flows at the same position of the filter screen, resulting in partial blockage of the filter screen, thereby affecting the filtration of the mother liquor. Moreover, it is not convenient to take out the filter screen after use, and it is rather inconvenient to clean or replace the filter screen. Summary of the Utility Model
[0004] The purpose of the utility model is to address the above problems and deficiencies, and propose a filtering device for mother liquor recovery: by replacing the insertion hole of the conveying head, further preventing the collection net from being blocked. The filtered mother liquor enters the collection cylinder under the guidance of the concave groove at the bottom of the box body. The pump is started to convey the mother liquor out through the conveying pipe, which is convenient for conveying, convenient for filtration and avoiding blockage, and solves the problem of filter screen blockage caused by the fixed flowing position.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A filtering device for mother liquor recovery includes a box body. A limiting groove is provided on the outer wall of the top of the box body, and a top plate is placed in the limiting groove of the box body. A filtering structure is installed on the inner wall of the box body, and a stepped observation groove is provided on the outer wall of one side of the top plate. Universal wheels are installed at the four corners of the outer wall of the bottom of the box body; the filtering structure includes a placement frame, suspension rods rotatably installed at equal distances on the top outer walls of the four corners of the placement frame, connecting springs welded to the bottom outer walls of the four corners of the placement frame, and a support frame welded to the bottom inner wall of the placement frame.
[0007] Preferably, a collection net is slidably connected to the inner wall of the placement frame, and the bottom outer wall of the collection net is placed on the top outer wall of the support frame. Vibration motors are installed on the outer walls at both ends of the placement frame.
[0008] Preferably, the other end of the suspension rod is rotatably connected to the inner wall of the box body, and the other end of the connecting spring is welded to the inner wall of the box body. Handles are welded to both ends of the top outer wall of the collection net.
[0009] According to the above solution: When the vibration motors on the placement frame are started, they drive the placement frame and the collection net to vibrate as a whole. The connecting springs increase the vibration amplitude of the placement frame under the vibration of the vibration motors, increasing the contact area between the spiral mother liquor and the collection net, and preventing the collection net from being blocked.
[0010] Preferably, an observation plate is placed at the observation groove on the top plate, and insertion holes are formed in both the observation plate and the outer wall of the top plate. A conveying head is inserted into the insertion hole, and a limiting ring is welded to the outer wall of the conveying head.
[0011] Preferably, a concave groove is formed in the inner wall of the bottom of the box body, and a collecting cylinder is installed at the center of the outer wall of the bottom of the box body. A connecting hole is formed at the center of the outer wall of the bottom of the box body.
[0012] Preferably, a pump is installed on the outer wall of the bottom of the box body, the output end of the pump is connected with a conveying pipe, and the input end of the pump is connected with the top of one side of the collecting cylinder.
[0013] Preferably, the pump and the vibration motor are connected to a switch through wires, and the switch is connected to a power supply through wires.
[0014] The beneficial effects of the utility model are as follows:
[0015] When the vibration motor on the placement frame starts, it drives the placement frame and the collecting net to vibrate as a whole. The connecting spring increases the vibration amplitude of the placement frame under the vibration of the vibration motor, increases the contact area between the mother liquor of the spiral and the collecting net, and avoids the blockage of the collecting net;
[0016] By replacing the conveying head with another insertion hole, the blockage of the collecting net is further avoided. The filtered mother liquor enters the collecting cylinder under the guidance of the concave groove at the bottom of the box body. The pump starts and conveys the mother liquor out through the conveying pipe, which is convenient for conveying and filtering to avoid blockage. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 FIG. 1 is a schematic diagram of the overall structure of a filtering device for mother liquor recovery proposed by the utility model;
[0018] Figure 2 FIG. 2 is a schematic diagram of the unfolded structure of the top plate of a filtering device for mother liquor recovery proposed by the utility model;
[0019] Figure 3 FIG. 3 is a schematic diagram of the unfolded structure of the placement frame of a filtering device for mother liquor recovery proposed by the utility model;
[0020] Figure 4 FIG. 4 is a schematic diagram of the cross-sectional structure of the box body of a filtering device for mother liquor recovery proposed by the utility model.
[0021] In the figure: 1 box body, 2 limiting groove, 3 filtering structure, 4 top plate, 5 observation groove, 6 observation plate, 7 insertion hole, 8 conveying head, 9 limiting ring, 10 suspension rod, 11 connecting spring, 12 placement frame, 13 vibration motor, 14 collecting net, 15 concave groove, 16 collecting cylinder, 17 pump, 18 conveying pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Embodiment
[0023] Refer to Figure 1-2 and Figure 4 As shown in FIGS. and, a filtering device for mother liquor recovery includes a box body 1. A limiting groove 2 is provided on the outer wall of the top of the box body 1, and a top plate 4 is placed in the box body 1 in the limiting groove 2. A filtering structure 3 is installed on the inner wall of the box body 1. A stepped observation groove 5 is provided on the outer wall of one side of the top plate 4. Universal wheels are installed at the four corners of the outer wall of the bottom of the box body 1. The top plate 4 and the observation plate 6 on the top of the box body 1 can be directly removed, which is convenient for observing the inside. At the same time, it is convenient to take out the collection net 14 from the placement frame 12 through the handle, which is convenient for cleaning the collection net 14 and replacing the collection net 14. The universal wheels at the bottom of the box body 1 are convenient for overall movement.
[0024] An observation plate 6 is placed at the observation groove 5 of the top plate 4. Plugging holes 7 are provided on the outer walls of the observation plate 6 and the top plate 4. A delivery head 8 is inserted into the plugging holes 7. A limiting ring 9 is welded on the outer wall of the delivery head 8. The plugging holes 7 on the top plate 4 and the observation plate 6 are convenient for inserting the delivery head 8, which is convenient for making full use of the collection net 14.
[0025] A recessed groove 15 is provided on the inner wall of the bottom of the box body 1. A collection cylinder 16 is installed at the center of the outer wall of the bottom of the box body 1. A connection hole is provided at the center of the outer wall of the bottom of the box body 1.
[0026] A pump 17 is installed on the outer wall of the bottom of the box body 1. The output end of the pump 17 is connected to a delivery pipe 18. The input end of the pump 17 is connected to the top of one side of the collection cylinder 16. After the collection cylinder 16 collects the mother liquor, the pump 17 pumps away the mother liquor. The pump 17 is located at a certain distance from the top and bottom of the outer wall of the collection cylinder 16 to avoid pumping away the residual impurities, which is convenient for use.
[0027] The pump 17 and the vibration motor 13 are connected to the switch through wires, and the switch is connected to the power supply through wires. Embodiment
[0028] Refer to Figure 1-3 As shown in FIG., the filtering structure 3 includes a placement frame 12, suspension rods 10 rotatably installed at equal distances on the outer walls of the four corners of the top of the placement frame 12, connection springs 11 welded to the outer walls of the four corners of the bottom of the placement frame 12, and a support frame welded to the inner wall of the bottom of the placement frame 12.
[0029] The inner wall of the placement frame 12 is slidably connected with a collection net 14, and the bottom outer wall of the collection net 14 is placed on the top outer wall of the support frame. Vibration motors 13 are installed on the outer walls at both ends of the placement frame 12. The vibration of the vibration motors 13 is amplified by the connecting springs 11, causing the placement frame 12 to shake, increasing the contact area between the mother liquor and the collection net 14, and facilitating filtration.
[0030] The other end of the suspension rod 10 is rotatably connected to the inner wall of the box body 1, and the other end of the connecting spring 11 is welded to the inner wall of the box body 1. Handles are welded to both ends of the top outer wall of the collection net 14. The vibration generated by the vibration motors 13 is transmitted to the placement frame 12 and the collection net 14, vibrating the collection net 14 to prevent the pores of the collection net 14 from being blocked.
[0031] Working principle: When in use, connect the pipeline for conveying the mother liquor to one end of the conveying head 8, insert one end of the conveying head 8 into the insertion hole 7, and the limit ring 9 limits the conveying head 8. The mother liquor falls into the inner wall of the box body 1 through the conveying head 8 and contacts the collection net 14 in the placement frame 12. The collection net 14 intercepts and filters the impurities in the mother liquor. At this time, the vibration motors 13 on the placement frame 12 are started to drive the entire placement frame 12 and the collection net 14 to vibrate. The connecting springs 11 increase the vibration amplitude of the placement frame 12 under the vibration of the vibration motors 13, increasing the contact area between the mother liquor and the collection net 14 and preventing the collection net 14 from being blocked. After a period of time, replace the conveying head 8 with another insertion hole 7 to further prevent the collection net 14 from being blocked. The filtered mother liquor enters the collection cylinder 16 under the guidance of the concave groove 15 at the bottom of the box body 1. The pump 17 is started to convey the mother liquor out through the conveying pipe 18.
[0032] The vibration motor installs a set of adjustable eccentric blocks at both ends of the rotor shaft, and obtains the exciting force by the centrifugal force generated by the high-speed rotation of the shaft and the eccentric blocks. The model of the vibration motor in the application document is: RZD20 - 50C.
[0033] The exemplary embodiments of the present invention are described in detail with reference to the embodiments. However, those skilled in the art can understand that without departing from the concept of the present invention, various modifications and variations can be made to the above specific embodiments, and various combinations can be made to the technical features and structures proposed by the present invention, without exceeding the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims. The foregoing description of the specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise forms disclosed, and obviously, many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical applications, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present invention as well as various different selections and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. A filtering device for mother liquor recovery, comprising a box body (1), characterized in that, A limiting groove (2) is formed in the outer wall of the top of the box body (1), and a top plate (4) is placed in the limiting groove (2) of the box body (1). A filtering structure (3) is installed on the inner wall of the box body (1), and a stepped observation groove (5) is formed in the outer wall of one side of the top plate (4). Universal wheels are installed at the four corners of the outer wall of the bottom of the box body (1). The filtering structure (3) includes a placement frame (12), suspension rods (10) rotatably installed at equal distances on the top of the outer walls of the four corners of the placement frame (12), connecting springs (11) welded to the bottoms of the outer walls of the four corners of the placement frame (12), and a support frame welded to the bottom of the inner wall of the placement frame (12).
2. The filtering device for mother liquor recovery according to claim 1, characterized in that, A collection net (14) is slidably connected to the inner wall of the placement frame (12), and the bottom of the collection net (14) is placed on the top of the support frame. Vibration motors (13) are installed on the outer walls of both ends of the placement frame (12).
3. The filtering device for mother liquor recovery according to claim 1, characterized in that, The other ends of the suspension rods (10) are rotatably connected to the inner wall of the box body (1), and the other ends of the connecting springs (11) are welded to the inner wall of the box body (1). Handles are welded to both ends of the top of the collection net (14).
4. A filtering device for mother liquor recovery according to claim 1, characterized in that, An observation plate (6) is placed at the observation groove (5) of the top plate (4), and insertion holes (7) are formed in the outer walls of the observation plate (6) and the top plate (4). A conveying head (8) is inserted into the insertion holes (7), and a limiting ring (9) is welded to the outer wall of the conveying head (8).
5. The filtering device for mother liquor recovery according to claim 1, characterized in that, A recessed groove (15) is formed in the inner wall of the bottom of the box body (1), and a collection cylinder (16) is installed at the center of the outer wall of the bottom of the box body (1). A connection hole is formed at the center of the outer wall of the bottom of the box body (1).
6. The filtering device for mother liquor recovery according to claim 1, characterized in that, A pump (17) is installed on the outer wall of the bottom of the box body (1), and the output end of the pump (17) is connected to a conveying pipe (18). The input end of the pump (17) is connected to the top of one side of the collection cylinder (16).
7. A mother liquor recovery filtering device according to claim 6, characterized in that: The pump (17) and the vibration motor (13) are connected to a switch through wires, and the switch is connected to a power supply through wires.