Solvent recovery device for waste polystyrene remolding resin
By designing impurity removal and condensation components for solvent recovery of polystyrene remodeling resins, the problem of difficult cleaning of solid impurities at the bottom of the distillation tank is solved, and efficient solvent recovery and secondary use of the distillation tank is achieved.
Patent Information
- Application Number
- CN202420725436.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-10
AI Technical Summary
During the solvent recovery process of polystyrene remodeling resin, it is difficult to clean up the solid impurities at the bottom of the distillation tank, making the equipment difficult to maintain and use it again.
A solvent recovery device including a decompression assembly and a condensation assembly is designed. The decomposition assembly uses the bottom cover, bolts, repin pins, sleeves, decompression plates and brushes to clean the bottom and side walls of the distillation tank; the condensation assembly uses a spiral tube and a steam conduit to extend the steam cooling time and ensure that the steam is fully cooled.
It effectively cleans up the solid impurities in the distillation tank, extends the steam cooling time, speeds up the steam cooling speed, improves the solvent recovery efficiency, and is conducive to the secondary use of the distillation tank.
Smart Images
Figure CN222585573U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solvent recovery devices, in particular to a solvent recovery device for waste polystyrene remodeling resin. Background Art
[0002] Ordinary polystyrene resin is non-toxic, odorless, colorless transparent particles, glass-like brittle materials. Its products have extremely high transparency, with a transmittance of more than 90%, good electrical insulation performance, easy coloring and processing, good fluidity, good rigidity and good chemical corrosion resistance.
[0003] Among them, in the process of polystyrene remodeling resin, solvent needs to be added for reaction. After the reaction, the waste solvent needs to be recovered. The general solvent recovery technology is mostly based on the principle of distillation. The waste solvent is heated to generate steam, and then the steam is cooled and condensed into water droplets. The water droplets are gathered together for centralized collection to achieve solvent recovery. In the distillation process, the liquid in the distillation tank is heated and evaporated, and the solid is heated and adheres to the bottom of the distillation tank. The heated solid adhesive is firmly connected to the distillation tank, and the distillation tank has a certain depth, which makes the solid impurities at the bottom of the distillation tank difficult to clean. For this reason, we propose a solvent recovery device for waste polystyrene remodeling resin. Utility Model Content
[0004] The purpose of the utility model is to provide a solvent recovery device for waste polystyrene remodeling resin to solve the problem proposed in the above background technology that the heated solid adhesive and the distillation tank are firmly connected, and the distillation tank has a certain depth, resulting in the solid impurities at the bottom of the distillation tank being difficult to clean.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solvent recovery device for waste polystyrene remodeling resin, comprising a distillation tank body, an impurity removal component, the impurity removal component is used to clean the solid impurities remaining in the distillation tank body, the impurity removal component is installed in the distillation tank body, and a condensation component is used to extend the cooling time of steam extracted from the distillation tank body, the condensation component is fixedly connected to the distillation tank body;
[0006] The impurity removal component includes a bottom cover, a bolt is sleeved in the bottom cover, the bolt is threadedly connected to the distillation tank body, a rotating pin is rotatably connected in the bottom cover, a sleeve is sleeved on the rotating pin, a impurity removal plate is fixedly connected to the sleeve, and a brush is fixedly connected to the impurity removal plate.
[0007] Preferably, a resistance wire is installed in the distillation tank body.
[0008] Preferably, a sealing cover is provided on the distillation tank body, a rotating shaft is rotatably connected in the sealing cover, one end of the rotating shaft is fixedly connected to a motor, the other end of the rotating shaft is fixedly connected to a rectangular shell, a clamping block is sleeved in the rectangular shell, and the clamping block and the sleeve are fixedly connected.
[0009] Preferably, a positioning pin is sleeved in the sealing cover, and the positioning pin is threadedly connected to the distillation tank body.
[0010] Preferably, a support frame is fixedly connected to the distillation tank body, and a bearing seat is fixedly connected to the support frame.
[0011] Preferably, the condensation component comprises a steam conduit, the steam conduit is connected to the distillation tank body, a spiral tube is fixedly connected to the steam conduit, and a liquid outlet pipe is fixedly connected in the spiral tube.
[0012] Preferably, a valve is installed in the liquid outlet pipe.
[0013] Preferably, a cooling fan is fixedly connected to the bearing seat.
[0014] The utility model has at least the following beneficial effects:
[0015] The utility model cleans the solid impurities remaining in the distillation tank body through the impurity removal component, prolongs the cooling time of the steam extracted from the distillation tank body through the condensation component, and accelerates the cooling speed of the steam. In the impurity removal component, the bottom cover and the distillation tank body are connected by bolts. The detachable design of the bottom cover is convenient for discharging the impurities scraped off from the distillation tank body from the bottom of the distillation tank body. The bottom of the impurity removal plate is processed with a prismatic blade for cleaning the impurities on the bottom cover. The brush is made of steel wire material and is used to clean the side wall of the distillation tank body. The brush and the impurity removal plate are made of hard materials to ensure the cleaning effect of the stubborn impurities in the distillation tank body. The cleaning of the inside of the distillation tank body is conducive to the secondary use of the distillation tank body. The use of the spiral tube increases the retention time of the steam in the spiral tube, and at the same time, the heat dissipation area of the spiral tube in the steam cooling process is expanded, thereby ensuring that the steam is fully cooled, which is convenient for the recovery of the solvent. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 It is a structural schematic diagram of the sleeve, the impurity removing plate and the rotating pin in the utility model.
[0018] Figure 3 It is a structural schematic diagram of the distillation tank body, bottom cover and impurity removal plate in the utility model.
[0019] Figure 4It is a schematic structural diagram of the sealing cover, the rotating shaft and the rectangular shell in the utility model.
[0020] Figure 5 It is a schematic diagram of the structure of the spiral tube, the steam conduit and the liquid outlet pipe in the utility model.
[0021] Figure 6 It is a structural schematic diagram of the distillation tank body, the support frame and the bearing seat in the utility model.
[0022] In the figure: 1-impurity removal component; 2-condensation component; 3-distillation tank body; 4-bottom cover; 5-bolt; 6-rotation pin; 7-sleeve; 8-impurity removal plate; 9-brush; 10-resistance wire; 11-support frame; 12-bearing seat; 13-steam duct; 14-spiral tube; 15-liquid outlet pipe; 16-valve; 17-cooling fan; 18-sealing cover; 19-rotating shaft; 20-motor; 21-rectangular shell; 22-block; 23-locating pin. DETAILED DESCRIPTION
[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0026] In the process of polystyrene remodeling resin, solvent needs to be added for reaction. After the reaction, the waste solvent needs to be recovered. Common solvent recovery technologies are mostly based on the principle of distillation. The waste solvent is heated to generate steam, and the steam is cooled and condensed into water droplets. The water droplets are gathered together for centralized collection to achieve solvent recovery. In the distillation process, the liquid in the distillation tank evaporates due to heat, and the solid is heated and adheres to the bottom of the distillation tank. The heated solid adhesive is firmly connected to the distillation tank, and the distillation tank has a certain depth, which makes the solid impurities at the bottom of the distillation tank difficult to clean. For this reason, we propose a solvent recovery device for waste polystyrene remodeling resin.
[0027] See also Figure 1-Figure 6 The utility model provides a technical solution for a solvent recovery device for waste polystyrene remodeling resin: a solvent recovery device for waste polystyrene remodeling resin, comprising a distillation tank body 3, an impurity removal component 1, the impurity removal component 1 is used to clean the solid impurities remaining in the distillation tank body 3, the impurity removal component 1 is installed in the distillation tank body 3, and a condensation component 2, the condensation component 2 is used to extend the cooling time of the steam extracted from the distillation tank body 3, and the condensation component 2 is fixedly connected to the distillation tank body 3.
[0028] The solvent recovery device for waste polystyrene remodeling resin of this embodiment cleans the solid impurities remaining in the distillation tank body 3 through the impurity removal component 1, prolongs the cooling time of the steam extracted from the distillation tank body 3 through the condensation component 2, and accelerates the cooling speed of the steam. In the impurity removal component 1, the bottom cover 4 and the distillation tank body 3 are connected by bolts 5. The detachable design of the bottom cover 4 is convenient for discharging the impurities scraped off the distillation tank body 3. The bottom of the impurity removal plate 8 is processed with a prismatic blade for cleaning the impurities on the bottom cover 4. The brush 9 is made of steel wire material and is used to clean the side wall of the distillation tank body 3. The brush 9 and the impurity removal plate 8 are both made of hard materials to ensure the cleaning effect of the stubborn impurities in the distillation tank body 3. By cleaning the inside of the distillation tank body 3, it is beneficial to the secondary use of the distillation tank body 3. By using the spiral tube 14, the residence time of the steam in the spiral tube 14 is increased, and the heat dissipation area of the spiral tube 14 during the steam cooling process is expanded, thereby ensuring that the steam is fully cooled and facilitating the recovery of the solvent.
[0029] In some embodiments, the impurity removal component 1 includes a bottom cover 4, a bolt 5 is sleeved in the bottom cover 4, the bolt 5 is threadedly connected to the distillation tank body 3, a rotating pin 6 is rotatably connected in the bottom cover 4, a sleeve 7 is sleeved on the rotating pin 6, a de-impurity plate 8 is fixedly connected to the sleeve 7, and a brush 9 is fixedly connected to the de-impurity plate 8. The bottom cover 4 is placed at the bottom of the distillation tank body 3, and the bottom cover 4 and the distillation tank body 3 are connected by bolts 5. When it is necessary to remove impurities from the inside of the distillation tank body 3, the sleeve 7 is inserted into the outer wall of the rotating pin 6, and the rotating sleeve 7 drives the rotating pin 6 to rotate in the bottom cover 4. At the same time When the sleeve 7 drives the impurity removing plate 8 and the brush 9 to move together, the brush 9 cleans the side wall of the distillation tank body 3, and the impurity removing plate 8 cleans the bottom cover 4. In this embodiment, the bottom cover 4 and the distillation tank body 3 are connected by bolts 5. The detachable design of the bottom cover 4 is convenient for discharging impurities scraped off from the distillation tank body 3. The bottom of the impurity removing plate 8 is processed with a prismatic blade for cleaning impurities on the bottom cover 4. The brush 9 is made of steel wire material and is used to clean the side wall of the distillation tank body 3, thereby ensuring the cleaning effect of the distillation tank body 3 and facilitating the secondary use of the distillation tank body 3.
[0030] In some embodiments, a resistance wire 10 is installed in the distillation tank body 3 . The resistance wire 10 is a component of the distillation tank body 3 . The resistance wire 10 can heat and distill the polystyrene solvent in the distillation tank body 3 .
[0031] In some embodiments, a sealing cover 18 is provided on the distillation tank body 3, and a rotating shaft 19 is rotatably connected in the sealing cover 18, one end of the rotating shaft 19 is fixedly connected to a motor 20, and the other end of the rotating shaft 19 is fixedly connected to a rectangular shell 21, a block 22 is sleeved in the rectangular shell 21, the block 22 and the sleeve 7 are fixedly connected, the rotating shaft 19 rotates in the sealing cover 18 through a bearing, the motor 20 is connected to the rotating shaft 19 through a coupling, a cavity is processed in the rectangular shell 21, and the block 22 is embedded in the rectangular shell 21, which can drive the sleeve 7 to rotate, and the motor 20 is used to provide power for the rotation of the impurity removal plate 8 on the sleeve 7, so that the impurity removal plate 8 can clean the inside of the distillation tank body 3 more efficiently.
[0032] In some embodiments, a positioning pin 23 is sleeved in the sealing cover 18 , the positioning pin 23 is threadedly connected to the distillation tank body 3 , the outer wall of the positioning pin 23 is processed with threads, and the positioning pin 23 is used to install the sealing cover 18 .
[0033] In some embodiments, a support frame 11 is fixedly connected to the distillation tank body 3, and a bearing seat 12 is fixedly connected to the support frame 11. The support frame 11 connects the distillation tank body 3 and the bearing seat 12, and the bearing seat 12 supports the overall structure.
[0034] In some embodiments, the condensation component 2 includes a steam conduit 13, which is connected to the distillation tank body 3. A spiral tube 14 is fixedly connected to the steam conduit 13, and a liquid outlet pipe 15 is fixedly connected to the spiral tube 14. According to the above embodiment, a polystyrene solvent is added to the distillation tank body 3 for heating, and the steam enters the spiral tube 14 through the steam conduit 13. The steam is cooled in the spiral tube 14, and the steam condenses into water droplets and is discharged along the liquid outlet pipe 15. The spiral tube 14 and the distillation tank body 3 are interconnected through the steam conduit 13. By using the spiral tube 14, the residence time of the steam in the spiral tube 14 is increased, the heat dissipation area is expanded, and the steam is ensured to be sufficiently cooled, which facilitates the recovery of the solvent.
[0035] In some embodiments, a valve 16 is installed in the liquid outlet pipe 15 , and the valve 16 is configured to control the opening and closing of the liquid outlet pipe 15 .
[0036] In some embodiments, a cooling fan 17 is fixedly connected to the support base 12 . The cooling fan 17 is used to dissipate heat from the spiral tube 14 and accelerate the cooling speed of the steam in the spiral tube 14 .
[0037] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values (e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.
[0038] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.
[0039] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.
[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A solvent recovery device for waste polystyrene remodeling resin, comprising a distillation tank body (3), characterized in that: An impurity removal component (1), the impurity removal component (1) is used to clean the solid impurities remaining in the distillation tank body (3), and the impurity removal component (1) is installed in the distillation tank body (3); A condensation assembly (2), the condensation assembly (2) being used to prolong the cooling time of steam extracted from the distillation tank body (3), the condensation assembly (2) being fixedly connected to the distillation tank body (3); The impurity removal component (1) comprises a bottom cover (4), a bolt (5) is sleeved in the bottom cover (4), the bolt (5) is threadedly connected to the distillation tank body (3), a rotating pin (6) is rotatably connected in the bottom cover (4), a sleeve (7) is sleeved on the rotating pin (6), an impurity removal plate (8) is fixedly connected to the sleeve (7), and a brush (9) is fixedly connected to the impurity removal plate (8).
2. The device for recovering solvent for waste polystyrene remodeling resin according to claim 1, characterized in that: A resistance wire (10) is installed in the distillation tank body (3).
3. The solvent recovery device for waste polystyrene remodeling resin according to claim 1, characterized in that: The distillation tank body (3) is provided with a sealing cover (18), a rotating shaft (19) is rotatably connected to the sealing cover (18), one end of the rotating shaft (19) is fixedly connected to a motor (20), the other end of the rotating shaft (19) is fixedly connected to a rectangular shell (21), a clamping block (22) is sleeved in the rectangular shell (21), and the clamping block (22) and the sleeve (7) are fixedly connected.
4. The device for recovering solvent for waste polystyrene remodeling resin according to claim 3, characterized in that: A positioning pin (23) is sleeved in the sealing cover (18), and the positioning pin (23) is threadedly connected to the distillation tank body (3).
5. The device for recovering solvent for waste polystyrene remodeling resin according to claim 1, characterized in that: A support frame (11) is fixedly connected to the distillation tank body (3), and a bearing seat (12) is fixedly connected to the support frame (11).
6. The device for recovering solvent for waste polystyrene remodeling resin according to claim 1, characterized in that: The condensation component (2) comprises a steam conduit (13), the steam conduit (13) is connected to the distillation tank body (3), a spiral tube (14) is fixedly connected to the steam conduit (13), and a liquid outlet pipe (15) is fixedly connected to the spiral tube (14).
7. The device for recovering solvent for waste polystyrene remodeling resin according to claim 6, characterized in that: A valve (16) is installed in the liquid outlet pipe (15).
8. The device for recovering solvent for waste polystyrene remodeling resin according to claim 5, characterized in that: A heat dissipation fan (17) is fixedly connected to the bearing seat (12).