Foam production wastewater waste heat recovery and cyclic utilization device and method

Abstract

The invention provides a foam production wastewater waste heat recovery and cyclic utilization device and method, and belongs to the technical field of wastewater cyclic utilization, the foam production wastewater waste heat recovery and cyclic utilization device comprises a shell, the right side of the shell is connected with a wastewater inlet pipe, the bottom of the front side of the shell is provided with a wastewater discharge pipe, and the right side of the shell is provided with a motor; the output end of the motor is fixedly connected with a threaded rod penetrating into the shell, the threaded rod is connected with an adjusting assembly, two attaching scraping assemblies are installed on the adjusting assembly, and storage assemblies are installed on the two side walls of the interior of the shell. The problems that impurities in waste water have adhesion capacity, direct contact between the heat absorption element and the waste water is affected after the impurities are attached to the surface of the heat absorption element for a long time, then absorption of waste heat of the waste water is affected, efficiency is reduced, and cleaning of the impurities on the surface of the heat absorption element is too troublesome are solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of wastewater recycling, and particularly relates to a foam production wastewater waste heat recovery and recycling device and method. BACKGROUND

[0002] During the foam production process, high-temperature wastewater containing sticky impurities such as residual resin and surfactant is continuously generated. If this kind of wastewater is directly discharged, not only a large amount of waste heat resources will be wasted, but also environmental problems such as heat pollution will be caused. Therefore, the waste heat recovery technology is generally used in the industrial field to treat it, absorb the waste heat carried by the wastewater, and then use the absorbed heat for heat supply scenes such as boilers and workshops, so as to realize secondary utilization of energy.

[0003] In order to comprehensively absorb the waste heat of the wastewater, the heat absorption plates are generally arranged in a wave shape. During the heat absorption process, the impurities in the wastewater have the ability to adhere to the surface of the heat absorption element. After a long time, the direct contact between the heat absorption element and the wastewater will be affected, and then the absorption of the waste heat of the wastewater will be affected, and the efficiency will be reduced. In addition, the cleaning of the impurities on the surface of the heat absorption element is too troublesome. Therefore, a foam production wastewater waste heat recovery and recycling device and method are provided. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title. Such simplifications or omissions cannot be used to limit the scope of the application.

[0005] In view of the following technical problems in the prior art: the impurities in the wastewater have the ability to adhere to the surface of the heat absorption element. After a long time, the direct contact between the heat absorption element and the wastewater will be affected, and then the absorption of the waste heat of the wastewater will be affected, and the efficiency will be reduced. In addition, the cleaning of the impurities on the surface of the heat absorption element is too troublesome.

[0006] To solve the above technical problems, the application provides the following technical scheme: a foam production wastewater waste heat recovery and recycling device, comprising an outer shell, a wastewater inlet pipe connected to the right side of the outer shell, a wastewater outlet pipe mounted on the front bottom of the outer shell, a motor mounted on the right side of the outer shell, a threaded rod penetrating into the inner shell and fixedly connected to the output end of the motor, an adjusting assembly connected to the threaded rod, two abutting and scraping assemblies mounted on the adjusting assembly, a receiving assembly mounted on the inner side wall of the outer shell, two heat absorption plates mounted in the outer shell, two concentrating shells mounted on the two sides of the outer shell, a conveying pipe connected to the concentrating shell on one side, and two ends of the conveying pipe connected to the corresponding concentrating shells.

[0007] By adopting the above technical scheme, the foam production wastewater enters the inside of the shell through the wastewater inlet pipe, when flowing through the heat absorption plate, the waste heat carried by the wastewater is absorbed by the circulating medium in the heat absorption plate, after the motor is started, the threaded rod is rotated to drive the adjusting assembly to move, the adjusting assembly drives the matching scraping assembly to clean the impurities on the surface of the heat absorption plate, the medium in the heat absorption plate after absorbing the waste heat flows to the left collecting shell, the left collecting shell realizes the conveying and utilization of the medium through the conveying pipe, the wastewater after heat exchange is discharged through the wastewater discharge pipe, and the generated impurities are collected and treated by the storage assembly.

[0008] Further, the two ends of the two heat absorption plates penetrate through the two side walls of the shell, and each of the collecting shells covers the outside of the corresponding end of the heat absorption plate.

[0009] By adopting the above technical scheme, the two ends of the heat absorption plate penetrate through the shell, and the two collecting shells on the two sides are communicated, and the collecting shell covers the outside of the end of the heat absorption plate, the medium in the right collecting shell is concentrated and cooled, and then is conveyed into the heat absorption plate to absorb heat, and the medium in the left collecting shell is concentrated in the collecting shell, and then is conveyed through the conveying pipe for recycling.

[0010] Further, the adjusting assembly comprises a moving seat, the moving seat is threadedly connected to the threaded rod, a pair of sliding openings are formed in the moving seat, sliding blocks are slidably connected in the two sliding openings, springs are arranged between the sliding blocks and the cavity walls of the sliding openings, connecting rods are rotatably connected to the sliding blocks, gears are arranged at the top of the connecting rods, mounting plates are arranged on the inner top wall of the shell and are evenly distributed and arranged in two rows, a plurality of teeth are evenly distributed on the mounting plates, connecting strips are arranged on the sliding blocks and away from the springs, and the bottom of one end of each connecting strip is provided with a matching rod.

[0011] By adopting the above technical scheme, when the threaded rod rotates, the moving seat moves along the threaded rod through the threaded transmission, the sliding blocks are slidable in the sliding openings, the springs provide elastic support for the sliding blocks, so that the sliding blocks always have a force to guide the plates when sliding, the sliding blocks drive the connecting strips and the matching rods to move, so that the matching rods always contact the guide plates, the gears at the top of the connecting rods are engaged with the teeth of the mounting plates, the gears rotate with the movement, thereby driving the connecting rods to rotate on the sliding blocks, and the inclination angle of the connecting rods is adjusted to adapt to the wave-shaped heat absorption plate, so that the matching scraping assembly can always conform to the shape of the heat absorption plate, and the impurities on the heat absorption plate can be better scraped off, and the guide plate is matched with the shape of the heat absorption plate, so that the distance of the sliding blocks is always the same as the wave-shaped fluctuation of the heat absorption plate.

[0012] Further, the teeth are engaged with a gear, every two rows of mounting plates are a group, every group of mounting plates is installed on the top of the corresponding heat absorption plate, the mounting plates are arc-shaped, every group of mounting plates is staggered and is correspondingly installed at the corner of the heat absorption plate, the teeth are installed to one side of the heat absorption plate, the two sides of the sliding block are both installed with sliding block one, the cavity wall of the sliding hole is provided with sliding groove one matched with the sliding block one, the top of the moving seat is fixedly connected with limiting moving block, and the top inner wall of the shell is installed with sliding rail matched with the limiting moving block.

[0013] By adopting the above technical scheme, the arc-shaped mounting plate is matched with the curved surface of the wave-shaped heat absorption plate and is staggered and installed at the corner of the heat absorption plate, so that the cleaning frame is always matched with the heat absorption plate, the adhesion of the cleaning frame is maintained, different corners and straight lines of the heat absorption plate are cleaned, the blind area is reduced, the sliding block one of the sliding block slides along the sliding groove one, the sliding block one is limited to move linearly along the sliding hole, deviation is avoided, the limiting moving block at the top of the moving seat slides along the sliding rail, the moving track of the moving seat is limited, the moving seat is prevented from rotating with the threaded rod, and the stable movement of the adjusting assembly is ensured.

[0014] Further, the inner walls of the front and rear sides of the shell are both installed with guide plates, one side of the guide plate close to the heat absorption plate is provided in a wave shape and is matched with the shape of the heat absorption plate, and the heat absorption plate is provided in a wave shape.

[0015] By adopting the above technical scheme, the wave-shaped heat absorption plate can increase the contact area with the wastewater, prolong the residence time of the heat absorption medium, and improve the waste heat absorption efficiency. The guide plate is matched with the heat absorption plate, the guide plate is used for guiding the movement of the adhesion rod, the sliding block moves, the angle is rotated in correspondence with the connecting rod and the gear one, the rotation of the cleaning frame is matched with the shape of the heat absorption plate, and the surface of the heat absorption plate can be cleaned at all times.

[0016] Further, the adhesion and scraping assembly comprises a cleaning frame, the cleaning frame is installed at the bottom of the corresponding connecting rod, two rows of outer sleeves are vertically installed on the two side walls of the cleaning frame, a sliding table is slidably connected in each outer sleeve, a spring two is installed between the sliding table and the inner wall of the outer sleeve, an installation rod is installed on the other side of the sliding table, a same adjusting plate is hinged to the end of the installation rod protruding out of the outer sleeve on one side, a plurality of cylindrical grooves are formed in the adjusting plate, a rotating rod is rotatably connected in the cylindrical groove, a pair of scraping strips are installed on the rotating rod, a movable groove is formed in the groove wall of the cylindrical groove, a convex strip is arranged in the middle of the movable groove, a pair of sliding strips are installed on the rotating rod, and an arc-shaped spring three is installed between each sliding strip and the convex strip.

[0017] By adopting the above technical scheme, the cleaning frame moves and adjusts the angle with the connecting rod, is sleeved outside the wave-shaped heat absorption plate, spring two pushes the sliding table to slide outward along the outer sleeve, the adjusting plate is driven by the mounting rod to fit the wave curved surface of the heat absorption plate, when the cleaning frame moves, the scraping strip contacts the impurities on the surface of the heat absorption plate and scrapes them off, and when the heat absorption plate turns at the corner, the rotating rod can rotate in the cylindrical groove, the sliding strip slides along the movable groove, and the arc-shaped spring three is extruded or stretched to change the angle of the scraping strip, so that the hard contact at the corner can be reduced, flexible scraping is realized, and the probability of damaging the heat absorption plate is reduced.

[0018] Further, the sliding strip is matched with the movable groove, the arc-shaped spring three is matched with the shape of the movable groove, the cleaning frame covers the outside of the heat absorption plate, and the adjusting plates are distributed on both sides of the heat absorption plate.

[0019] By adopting the above technical scheme, the sliding strip is matched with the movable groove, the rotating rod can only rotate along the track of the movable groove, the scraping strip is prevented from being dislocated, the arc-shaped spring three is matched with the shape of the movable groove to ensure the resetting of the rotating rod after rotation, the cleaning frame covers the heat absorption plate, the adjusting plates on both sides simultaneously scrape the wave surfaces on both sides of the heat absorption plate, the cleaning efficiency is improved, and the impurities scraped off fall on the bottom of the shell and are collected by the storage assembly, so that subsequent centralized treatment is facilitated.

[0020] Further, the storage assembly comprises an assembly rod and mounting blocks mounted on the left and right side walls of the shell, the assembly rod is mounted at the bottom of the moving seat, two push frames symmetrically distributed are mounted at the bottom of the assembly rod, a rotating rod is rotatably connected to the mounting block, a gear two is mounted at the top of the rotating rod, a guide column is mounted at the bottom of the rotating rod, a pair of inclined guide grooves are formed in the outer side of the guide column, a lifting ring is sleeved on the outer side of the guide column, a lifting rod is mounted on the side of the lifting ring close to the side wall of the shell, a lifting plate is connected to the bottom of the lifting rod, and a rack is mounted on the left and right sides of the assembly rod.

[0021] By adopting the above technical scheme, the moving seat moves to drive the assembly rod to move synchronously, the racks on the two sides of the assembly rod mesh with the gear two after moving to the side, the gear two is driven to rotate and drive the rotating rod and the guide column to rotate, when the guide column rotates, the inclined guide grooves convert the rotary motion into the up-down linear motion of the lifting ring through cooperation with the guide blocks on the inner wall of the lifting ring, and then drive the lifting rod and the lifting plate to lift, and at the same time, the push frames at the bottom of the assembly rod push the impurities cleaned by the scraping assembly to the lifting plate area as the assembly rod moves, when the lifting plate descends, the impurities enter the storage shell, and automatic collection of the impurities is realized.

[0022] Furthermore, storage shells are installed on both the left and right sides of the outer shell, and the storage shells are equipped with openable side doors. An opening is provided on the outer shell corresponding to the position of the storage shell. The size of the opening matches the lifting plate. A guide block matching the guide groove is installed on the inner wall of the lifting ring. The rack meshes with the corresponding gear.

[0023] By adopting the above technical solution, the guide block on the inner wall of the lifting ring is located in the guide groove, ensuring that the lifting ring rises and falls stably when the guide column rotates. The rack and gear mesh, so that the movement of the assembly rod is converted into the lifting height of the lifting plate. When the assembly rod moves in the opposite direction, the lifting plate will descend. Impurities that enter the storage shell through the opening on the outer shell are collected in the storage shell after the lifting plate descends. The impurities can be cleaned by opening the side door of the storage shell periodically.

[0024] A method for recovering and recycling waste heat from foam production wastewater includes the following steps: S1: Wastewater from foam production flows into the interior through the wastewater inlet pipe on the right side of the outer shell, and flows along the corrugated heat absorption plate. The heat exchange medium circulating inside the heat absorption plate absorbs the wastewater heat through the plate wall. S2: Start the motor, drive the threaded rod to rotate, drive the moving seat to move horizontally, the sliding block uses spring one to make the bonding rod touch the guide plate, the gear one meshes with the teeth, adjust the angle of the connecting rod so that the bonding scraping component is aligned with the heat absorption plate; S3: The cleaning frame is fitted onto the heat absorption plate along with the connecting rod. Spring 2 pushes the adjustment plate to fit against the plate wall. The scraping strip moves to scrape away impurities. At the corner, the rotating rod rotates and spring 3 adjusts the angle to reduce the probability of damaging the heat absorption plate. S4: The assembly rod moves horizontally with the moving seat, the pusher pushes the impurities to both sides of the outer shell, the rack meshes with the corresponding gear two, driving the guide column to rotate, so that the lifting ring drives the lifting plate to rise, and the impurities enter the receiving shell through the opening. When the moving seat moves in the opposite direction, the lifting plate descends to block the opening. S5: Heat exchange medium circulation and waste heat utilization The cooling medium is fed to the heat absorption plate through the right-side central shell. After absorbing heat, the medium flows to the left-side central shell and then to the external heat-requiring equipment through the conveying pipe to achieve waste heat circulation. S6: The treated wastewater is discharged through the wastewater discharge pipe at the bottom of the outer shell. The side door of the storage shell can be opened periodically to clean the internal impurities without disassembling the device.

[0025] The beneficial effects of this invention are as follows: 1. The application increases the contact area with wastewater through the wave-shaped heat absorption plate design, prolongs the contact time of wastewater and the heat absorption plate, improves the waste heat absorption efficiency, and the heat absorption plate penetrates the shell at both ends and communicates with the two side concentration shells, the right side concentration shell concentrates the cooling medium, the left side concentration shell collects the medium after heat absorption, and then is transported to the external heat requiring equipment through the conveying pipe, forming a complete medium circulation path, realizing efficient recovery and secondary utilization of wastewater waste heat, and reducing energy waste.

[0026] 2. The adjusting assembly drives the moving seat to translate through the motor, the sliding block makes the fitting rod fit the guide plate under the action of spring one, the meshing of gear one and the arc-shaped mounting plate ensures that the fitting and scraping assembly always adapts to the shape of the wave-shaped heat absorption plate, spring two in the fitting and scraping assembly pushes the adjusting plate to tightly fit the wall, and the rotary rod at the corner and the arc-shaped spring three realize flexible angle adjustment of the scraping strip, which can better scrape off impurities, reduce cleaning blind area, and reduce hard contact damage to the heat absorption plate.

[0027] 3. The storage assembly pushes impurities through the push frame, and the rack and pinion gear two cooperate to drive the lifting plate to open and close, automatically collecting impurities and reducing the adhesion of impurities to affect heat exchange, thereby ensuring long-term stable operation of the equipment.

[0028] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application can be achieved and obtained by the structure specifically pointed out in the description and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor. Among them: Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application; Figure 2 It is a schematic diagram of the internal structure of the embodiment of the present application; Figure 3 It is a schematic diagram of the adjusting assembly structure of the embodiment of the present application; Figure 4 It is a schematic diagram of the connection structure of the adjusting assembly and the fitting and scraping assembly of the embodiment of the present application; Figure 5 It is a schematic diagram of the sleeve structure of the embodiment of the present application; Figure 6 It is a schematic diagram of the cross-sectional structure of the adjusting plate of the embodiment of the present application; Figure 7This is a schematic diagram of the position and structure of the heat absorber plate and the mounting plate according to an embodiment of the present invention; Reference numerals: 100, outer casing; 200, wastewater inlet pipe; 300, wastewater outlet pipe; 400, motor; 500, threaded rod; 600, adjusting assembly; 601, movable seat; 602, sliding port; 603, sliding block; 604, connecting rod; 605, mounting plate; 606, teeth; 607, connecting strip; 608, bonding rod; 609, spring one; 6010, gear one; 700, heat absorption plate; 800, bonding and scraping assembly; 801, cleaning frame; 802, outer sleeve; 803, spring two; 804, sliding table; 805, mounting rod; 806, adjusting plate; 807. Rotating rod; 808. Scraping strip; 809. Cylindrical groove; 8010. Movable groove; 8011. Sliding bar; 8012. Arc spring three; 8013. Protruding bar; 900. Storage assembly; 901. Push frame; 902. Mounting block; 903. Rotating rod; 904. Gear two; 905. Rack; 906. Guide column; 907. Guide groove; 908. Lifting ring; 909. Lifting rod; 9010. Assembly rod; 9011. Lifting plate; 1000. Limiting moving block; 1100. Centralized shell; 1200. Conveying pipe; 1300. Storage shell; 1400. Guide plate. Detailed Implementation

[0030] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0031] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0032] 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 phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0033] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0034] Reference Figures 1-7The embodiment of the application provides a foam production wastewater waste heat recycling device, which comprises an outer shell 100, a wastewater inlet pipe 200 connected to the right side of the outer shell 100, a wastewater outlet pipe 300 installed at the front bottom of the outer shell 100, a motor 400 installed on the right side of the outer shell 100, a threaded rod 500 penetrating into the inner part of the outer shell 100 and fixedly connected to the output end of the motor 400, an adjusting assembly 600 connected to the threaded rod 500, two matched scraping assemblies 800 installed on the adjusting assembly 600, a storage assembly 900 installed on the inner side walls of the outer shell 100, two heat absorption plates 700 installed in the outer shell 100, two concentration shells 1100 installed on the two sides of the outer shell 100, a conveying pipe 1200 connected to the concentration shell 1100 on one side, and two ends of the conveying pipe 1200 connected to the corresponding concentration shells 1100. The foam production wastewater enters the inner part of the outer shell 100 through the wastewater inlet pipe 200, when flowing through the heat absorption plates 700, the waste heat carried by the wastewater is absorbed by the medium circulating in the heat absorption plates 700. After the motor 400 is started, the threaded rod 500 is rotated, the adjusting assembly 600 is driven to move, the matched scraping assemblies 800 are driven by the adjusting assembly 600 to clean the surface of the heat absorption plates 700, the medium in the heat absorption plates 700 after absorbing waste heat flows to the left concentration shell 1100, the left concentration shell 1100 realizes medium conveying and utilization through the conveying pipe 1200, the wastewater after heat exchange is discharged through the wastewater outlet pipe 300, and the generated impurities are collected and treated by the storage assembly 900.

[0035] The two ends of the two heat absorption plates 700 penetrate through the two side walls of the outer shell 100, each concentration shell 1100 is covered outside the end part of the corresponding heat absorption plate 700, the two ends of the heat absorption plate 700 penetrate through the outer shell 100 and communicate with the concentration shells 1100 on the two sides, the concentration shell 1100 is covered outside the end part of the heat absorption plate 700, the right concentration shell 1100 concentrates the medium cooled, and then the medium is delivered to the heat absorption plate 700 to absorb heat, the left concentration shell 1100 can concentrate the medium in the heat absorption plate 700 in the concentration shell 1100, and then the medium is delivered through the conveying pipe 1200 to be recycled.

[0036] The adjusting assembly 600 comprises a moving seat 601 threadedly connected on the threaded rod 500, a pair of sliding openings 602 are formed on the moving seat 601, a sliding block 603 is slidingly connected in each of the sliding openings 602, a spring I 609 is installed between the sliding block 603 and the cavity wall of the sliding opening 602, a connecting rod 604 is rotatably connected on the sliding block 603, a friction plate (not shown in the figure) can be installed at the rotatable connection between the connecting rod 604 and the sliding block 603 to increase the rotating resistance and prevent self-rotation under no external force, a gear I 6010 is installed on the top of the connecting rod 604, a plurality of mounting plates 605 are evenly distributed and arranged in two rows on the inner top wall of the shell 100, a plurality of teeth 606 are evenly distributed on the mounting plate 605, a connecting strip 607 is installed on the sliding block 603 away from the spring I 609, a close-fitting rod 608 is installed at the bottom of one end of the connecting strip 607, when the threaded rod 500 rotates, the moving seat 601 is driven to move along the threaded rod 500 through threaded transmission, the sliding block 603 is slidable in the sliding opening 602, the spring I 609 provides elastic support for the sliding block 603, so that the sliding block 603 always has a force to guide the plate 1400 when sliding, the sliding block 603 drives the connecting strip 607 and the close-fitting rod 608 to move, so that the close-fitting rod 608 is always in contact with the guide plate 1400, the gear I 6010 on the top of the connecting rod 604 is engaged with the teeth 606 of the mounting plate 605, the gear I 6010 rotates with the movement, thereby driving the connecting rod 604 to rotate on the sliding block 603, adjusting the inclination angle of the connecting rod to adapt to the wave-shaped heat-absorbing plate, so that the turning of the close-fitting scraping assembly 800 always conforms to the shape of the heat-absorbing plate 700, which can better scrape off the impurities on the heat-absorbing plate 700, and the guide plate 1400 is matched with the shape of the heat-absorbing plate 700, so that the distance of the sliding block 603 is always the same as the wave-shaped fluctuation of the heat-absorbing plate 700.

[0037] The teeth 606 are engaged with the gear one 6010, every two rows of mounting plates 605 are a group, the mounting plates 605 of each group are installed on the top of the corresponding heat absorption plate 700, the mounting plates 605 are arc-shaped, each group of mounting plates 605 is staggered and arranged and is correspondingly arranged at the corner of the heat absorption plate 700, the teeth 606 are installed to one side of the heat absorption plate 700, the sliding blocks one are installed on the two sides of the sliding block 603, the sliding grooves one matched with the sliding blocks one are formed in the cavity wall of the sliding opening 602, the top of the moving seat 601 is fixedly connected with the limiting moving block 1000, the top inner wall of the shell 100 is provided with the sliding rails matched with the limiting moving block 1000, the arc-shaped mounting plates 605 are adapted to the curved surface of the wave-shaped heat absorption plate 700 and are staggered and arranged at the corners of the heat absorption plate, so as to match different rotating directions and adapt to the corners of the heat absorption plate 700 for corresponding rotation, so that the cleaning frame 801 always matches the heat absorption plate 700, maintains the adhesion of the scraping assembly 800, cleans different corners and straight lines of the heat absorption plate 700, reduces the blind area, the sliding blocks one of the sliding block 603 slide along the sliding grooves one, the sliding block 603 can only move linearly along the sliding opening 602, deviation is avoided, the limiting moving block 1000 at the top of the moving seat 601 slides along the sliding rails, the movement track of the moving seat 601 is limited, the moving seat 601 is prevented from rotating with the threaded rod 500, and stable movement of the adjusting assembly is ensured.

[0038] The inner walls of the front and rear sides of the shell 100 are provided with the guide plates 1400, one side of the guide plates 1400 close to the heat absorption plate 700 is wave-shaped and matched with the shape of the heat absorption plate 700, the heat absorption plate 700 is wave-shaped, the wave-shaped heat absorption plate 700 can increase the contact area with wastewater, prolong the retention time of the heat absorption medium, and improve the waste heat absorption efficiency, the guide plates are matched with the heat absorption plates, the guide plates 1400 are used for guiding the movement of the adhesion rod 608, so that the sliding block 603 moves, the connecting rod 604 and the gear one 6010 are correspondingly rotated at an angle, the rotation of the cleaning frame 801 is matched with the shape of the heat absorption plate 700, and the surface of the heat absorption plate 700 can be cleaned at all times.

[0039] The fitting scraping assembly 800 comprises a cleaning frame 801 mounted at the bottom of the corresponding connecting rod 604, and two rows of outer sleeves 802 are vertically arranged on the inner side walls of the cleaning frame 801, a sliding table 804 is slidably connected in each outer sleeve 802, a spring 2 803 is arranged between the sliding table 804 and the inner wall of the outer sleeve 802, a mounting rod 805 is arranged on the other side of the sliding table 804, a same adjusting plate 806 is hinged to the end of the outer sleeve 802 protruding from the one side of the mounting rod 805, a plurality of cylindrical grooves 809 are arranged on the adjusting plate 806, a rotating rod 807 is rotatably connected in the cylindrical groove 809, a pair of scraping strips 808 are arranged on the rotating rod 807, a movable groove 8010 is arranged on the groove wall of the cylindrical groove 809, a convex strip 8013 is arranged in the middle of the movable groove 8010, a pair of sliding strips 8011 are arranged on the rotating rod 807, and an arc-shaped spring 3 8012 is arranged between each sliding strip 8011 and the convex strip 8013. The cleaning frame 801 is arranged outside the wave-shaped heat-absorbing plate 700 in a sleeving mode, the spring 2 803 pushes the sliding table 804 to slide outward along the outer sleeve 802, the adjusting plate 806 is driven by the mounting rod 805 to fit the wave curved surface of the heat-absorbing plate 700, when the cleaning frame 801 moves, the scraping strips 808 are in contact with the impurities on the surface of the heat-absorbing plate 700 to scrape, when the heat-absorbing plate 700 rotates at the corner, the rotating rod 807 can rotate in the cylindrical groove 809, the sliding strip 8011 slides along the movable groove 8010, the arc-shaped spring 3 8012 is compressed or stretched, and the angle of the scraping strip 808 is changed, so that the hard contact at the corner can be reduced, the flexible scraping is realized, and the probability of damaging the heat-absorbing plate 700 is reduced.

[0040] The sliding strip 8011 is matched with the movable groove 8010, the arc-shaped spring 3 8012 is matched with the shape of the movable groove 8010, the cleaning frame 801 is arranged outside the heat-absorbing plate 700 in a sleeving mode, the adjusting plate 806 is arranged on the two sides of the heat-absorbing plate 700, the sliding strip 8011 is matched with the movable groove 8010, so that the rotating rod 807 can only rotate along the track of the movable groove 8010, the scraping strip 808 is prevented from being dislocated, the arc-shaped spring 3 8012 is matched with the shape of the movable groove 8010, so that the resetting of the rotating rod 807 after rotation is ensured, the cleaning frame 801 covers the heat-absorbing plate 700, the two adjusting plates 806 simultaneously scrape the wave surfaces on the two sides of the heat-absorbing plate 700, the cleaning efficiency is improved, meanwhile, the impurities scraped fall on the bottom of the shell 100 and are collected by the storage assembly 900, so that the subsequent centralized treatment is facilitated.

[0041] The storage component 900 includes an assembly rod 9010 and mounting blocks 902 installed on the left and right side walls of the outer casing 100. The assembly rod 9010 is installed at the bottom of the movable base 601. Two symmetrically distributed pushers 901 are installed at the bottom of the assembly rod 9010. Rotating rods 903 are rotatably connected to each mounting block 902. Gear 904 is installed at the top of the rotating rod 903. Guide post 906 is installed at the bottom of the rotating rod 903. A pair of inclined guide grooves 907 are opened on the outer side of the guide post 906. A lifting ring 908 is sleeved on the outer side of the guide post 906. A lifting rod 909 is installed on the side of the lifting ring 908 near the side wall of the outer casing 100. A lifting plate 9011 is connected to the bottom of the lifting rod 909. The left and right sides of the assembly rod 9010 are equipped with... Equipped with racks 905, the moving seat 601 moves synchronously with the assembly rod 9010. After moving to the side, the racks 905 on both sides of the assembly rod 9010 mesh with the second gear 904, driving the second gear 904 to rotate and causing the rotating rod 903 and guide column 906 to rotate. When the guide column 906 rotates, the inclined guide groove 907, through cooperation with the guide block on the inner wall of the lifting ring 908, converts the rotational movement into the vertical linear movement of the lifting ring 908, thereby driving the lifting rod 909 and lifting plate 9011 to rise and fall. At the same time, the pusher 901 at the bottom of the assembly rod moves with the assembly rod 9010, pushing the impurities cleaned by the adhesive scraping component 800 towards the area of ​​the lifting plate 9011. The impurities enter the storage shell 1300, realizing automatic collection of impurities.

[0042] Storage shells 1300 are installed on both the left and right sides of the outer shell 100. Each storage shell 1300 has an openable side door. An opening is provided on the outer shell 100 corresponding to the position of the storage shell 1300, the size of which matches the lifting plate 9011. A guide block matching the guide groove 907 is installed on the inner wall of the lifting ring 908. The rack 905 meshes with the corresponding gear 904. The guide block on the inner wall of the lifting ring 908 is located in the guide groove 907, ensuring stable lifting and lowering of the lifting ring 908 when the guide column 906 rotates. The meshing of the rack 905 and gear 904 converts the movement of the assembly rod 9010 into the lifting height of the lifting plate 9011. When the assembly rod 9010 moves in the opposite direction, the lifting plate 9011 descends. Impurities entering the storage shell 1300 through the opening on the outer shell 100 are collected in the storage shell 1300 after the lifting plate 9011 descends. The impurities can be cleaned by periodically opening the side door of the storage shell 1300.

[0043] A method for recovering and recycling waste heat from foam production wastewater includes the following steps: S1: Wastewater from foam production flows into the interior of the outer shell 100 through the wastewater inlet pipe 200 on the right side of the outer shell 100. The wastewater flows along the corrugated heat absorption plate 700. There is a circulating heat exchange medium inside the heat absorption plate 700. The waste heat carried by the wastewater is transferred to the internal medium through the wall of the heat absorption plate 700 for waste heat absorption. S2: start the motor 400 on the right side of the shell 100, the output end of the motor 400 drives the threaded rod 500 through the inside of the shell 100 to rotate, the threaded rod 500 drives the moving seat 601 through threaded transmission to move along the threaded rod 500, the sliding block 603 in the sliding hole 602 on the moving seat 601 always has a force to the guide plate 1400 under the elastic support of the spring one 609, drives the connecting strip 607 and the bottom matching rod 608 on the sliding block 603 to contact with the surface of the guide plate 1400, moves with the moving seat 601, the gear one 6010 on the top of the connecting rod 604 meshes with the gear teeth 606 on the arc-shaped mounting plate 605 on the inner top wall of the shell to rotate, drives the connecting rod 604 to rotate on the sliding block 603, adjusts the inclination angle of the connecting rod 604, so that the matching scraping assembly 800 at the bottom of the connecting rod 604 always aligns with the surface of the heat absorption plate 700; S3: the cleaning frame 801 of the matching scraping assembly 800 moves and adjusts the angle with the connecting rod 604, is sleeved outside the wave-shaped heat absorption plate 700, the spring two 803 pushes the sliding table 804 to slide outward in the outer sleeve 802 of the two side walls in the cleaning frame 801, drives the hinged adjusting plate 806 through the mounting rod 805 to closely match the wave-shaped curved surface of the heat absorption plate, when the cleaning frame 801 moves with the moving seat 601, the scraping strip 808 on the adjusting plate 806 contacts and scrapes the impurities on the surface of the heat absorption plate 700, and when the scraping strip 808 is hard pressed at the corner, the rotating rod 807 rotates in the cylindrical groove 809, the sliding strip 8011 on the rotating rod slides along the movable groove 8010, stretches or stretches the arc-shaped spring three 8012, realizes flexible adjustment of the angle of the scraping strip 808, and prevents hard contact from damaging the heat absorption plate 700; S4: when the moving seat 601 translates, the assembly rod 9010 at the bottom thereof moves synchronously, the symmetrical push frame 901 at the bottom of the assembly rod pushes the impurities scraped off by the scraping assembly to the outside of the shell 100 to the two sides of the shell 100, when the assembly rod 9010 moves to the side of the shell 100, the rack 905 on the side wall thereof meshes with the gear two 904 on the mounting block 902 on the side wall of the shell, drives the rotating rod 903 and the bottom guide column 906 to rotate, the inclined guide groove 907 on the outer side of the guide column cooperates with the guide block on the inner wall of the lifting ring 908, converts the rotary movement into the linear movement of the lifting ring 908, drives the lifting rod 909 and the bottom lifting plate 9011 to rise, the push frame 901 sends the impurities into the storage shell 1300 through the opening, and then when the moving seat 601 moves reversely, the lifting plate 9011 will be lowered to block the opening, and the complete impurities are collected; S5: The right side concentrated shell 1100 will concentrate the cooled medium, and then the medium flows into the heat absorption plate 700 through the shell 100 where the waste water exists, and the temperature rises after absorbing the waste water waste heat, and the medium after rising in temperature flows along the heat absorption plate 700 to the left end, and is collected by the left side concentrated shell 1100, and the left side concentrated shell 1100 delivers the high-temperature medium to the external heat-requiring equipment through the connected conveying pipe 1200, to realize waste heat recycling; S6: The waste water after completing the waste heat transfer and impurity cleaning flows along the inside of the shell 100 to the front side bottom waste water discharge pipe 300, and is finally discharged, and the openable side door installed on the storage shell 1300 can be opened regularly to clean the impurities collected in the shell, without disassembling the device, reducing the maintenance difficulty.

[0044] It should be understood that during the development of any actual implementation, numerous implementation-specific decisions can be made. Such development efforts, while possibly complex and time-consuming, would nevertheless be routine undertaking for those of ordinary skill in the art having the benefit of this disclosure, and would not require undue experimentation to generate. Accordingly, the development of an actual implementation is considered to be within the scope of the inventive concept.

[0045] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A device and method for recovering and recycling waste heat from foam production wastewater, comprising a shell (100), characterized in that, A wastewater inlet pipe (200) is connected to the right side of the outer shell (100), a wastewater outlet pipe (300) is installed at the bottom front side of the outer shell (100), a motor (400) is installed on the right side of the outer shell (100), a threaded rod (500) is fixedly connected to the output end of the motor (400) and penetrates into the interior of the outer shell (100), an adjustment component (600) is connected to the threaded rod (500), two fitting scraping components (800) are installed on the adjustment component (600), a storage component (900) is installed on both sides of the interior of the outer shell (100), two heat absorption plates (700) are installed in the outer shell (100), two collection shells (1100) are installed on both sides of the outer shell (100), a conveying pipe (1200) is connected to the collection shell (1100) on one side, and two ends of the conveying pipe (1200) are connected to the corresponding collection shell (1100).

2. The waste heat recovery and recycling device for foam production wastewater according to claim 1, characterized in that: The two heat-absorbing plates (700) extend through the two side walls of the outer shell (100) at both ends, and each of the central shells (1100) covers the outer side of the corresponding heat-absorbing plate (700).

3. The waste heat recovery and recycling device for foam production wastewater according to claim 2, characterized in that: The adjustment assembly (600) includes a movable seat (601), which is threadedly connected to a threaded rod (500). The movable seat (601) has a pair of sliding ports (602), and a sliding block (603) is slidably connected to each of the two sliding ports (602). A spring (609) is installed between the sliding block (603) and the cavity wall of the sliding port (602). A connecting rod (604) is rotatably connected to each sliding block (603). A gear (6010) is installed on the top of each connecting rod (604). The inner top wall of the outer shell (100) is equipped with two rows of evenly distributed mounting plates (605). A number of teeth (606) are evenly distributed on the mounting plates (605). A connecting strip (607) away from the spring (609) is installed on the sliding block (603). A fitting rod (608) is installed at the bottom of one end of the connecting strip (607).

4. The waste heat recovery and recycling device for foam production wastewater according to claim 3, characterized in that: The teeth (606) mesh with gear one (6010). Each set of two rows of mounting plates (605) is a group. Each set of mounting plates (605) is installed on the top of the corresponding heat absorption plate (700). The mounting plates (605) are arc-shaped. Each set of mounting plates (605) is staggered and installed at the corner of the heat absorption plate (700). The teeth (606) are installed on one side of the heat absorption plate (700). Slider one is installed on both sides of the sliding block (603). A sliding groove one matching the slider one is opened on the cavity wall of the sliding port (602). A limiting moving block (1000) is fixedly connected to the top of the moving seat (601). A slide rail matching the limiting moving block (1000) is installed on the top inner wall of the outer shell (100).

5. The waste heat recovery and recycling device for foam production wastewater according to claim 4, characterized in that: Guide plates (1400) are installed on the inner walls of the front and rear sides of the outer shell (100). The side of the guide plate (1400) close to the heat absorber plate (700) is wavy and matches the shape of the heat absorber plate (700). The heat absorber plate (700) is wavy.

6. The waste heat recovery and recycling device for foam production wastewater according to claim 5, characterized in that: The adhesive scraping assembly (800) includes a cleaning frame (801), which is installed at the bottom of a corresponding connecting rod (604). Two rows of outer sleeves (802) are vertically arranged on both inner side walls of the cleaning frame (801). Each outer sleeve (802) has a sliding platform (804) slidably connected to it. A spring (803) is installed between the sliding platform (804) and the inner wall of the outer sleeve (802). An mounting rod (805) is installed on the other side of the sliding platform (804). Several mounting rods (805) protrude from the outer sleeve (802) on one side. The same adjusting plate (806) is hinged to the end. Several cylindrical grooves (809) are opened on the adjusting plate (806). A rotating rod (807) is rotatably connected in the cylindrical groove (809). A pair of scraping strips (808) are installed on the rotating rod (807). A movable groove (8010) is opened on the groove wall of the cylindrical groove (809). A protruding strip (8013) is provided in the middle of the movable groove (8010). A pair of sliding strips (8011) are installed on the rotating rod (807). An arc spring (8012) is installed between each sliding strip (8011) and the protruding strip (8013).

7. The waste heat recovery and recycling device for foam production wastewater according to claim 6, characterized in that: The slide bar (8011) matches the movable groove (8010), the arc spring three (8012) matches the shape of the movable groove (8010), the cleaning frame (801) covers the outside of the heat absorption plate (700), and the adjusting plate (806) is distributed on both sides of the heat absorption plate (700).

8. A waste heat recovery and recycling device for foam production wastewater according to claim 7, characterized in that: The storage assembly (900) includes an assembly rod (9010) and mounting blocks (902) installed on the left and right side walls of the outer casing (100). The assembly rod (9010) is installed at the bottom of the movable base (601). Two symmetrically distributed pushers (901) are installed at the bottom of the assembly rod (9010). Rotating rods (903) are rotatably connected to each mounting block (902). Gears (904) are installed at the top of the rotating rods (903). 03) has a guide post (906) installed at the bottom. A pair of inclined guide grooves (907) are opened on the outer side of the guide post (906). A lifting ring (908) is sleeved on the outer side of the guide post (906). A lifting rod (909) is installed on the side of the lifting ring (908) close to the side wall of the outer shell (100). A lifting plate (9011) is connected to the bottom of the lifting rod (909). Racks (905) are installed on both the left and right sides of the assembly rod (9010).

9. A waste heat recovery and recycling device for foam production wastewater according to claim 8, characterized in that: Storage shells (1300) are installed on both the left and right sides of the outer shell (100). The storage shells (1300) are equipped with openable side doors. An opening is provided on the outer shell (100) at the position corresponding to the storage shells (1300). The size of the opening matches the lifting plate (9011). A guide block matching the guide groove (907) is installed on the inner wall of the lifting ring (908). The rack (905) meshes with the corresponding gear (904).

10. A method for applying the waste heat recovery and recycling device for foam production wastewater as described in any one of claims 1 to 9, characterized in that: Includes the following steps: S1: The wastewater from foam production flows into the interior through the wastewater inlet pipe (200) on the right side of the outer shell (100), and flows along the corrugated heat absorption plate (700). The heat exchange medium circulating inside the heat absorption plate (700) absorbs the wastewater heat through the plate wall. S2: Start the motor (400), drive the threaded rod (500) to rotate, drive the moving seat (601) to move horizontally, the sliding block (603) uses spring one (609) to make the bonding rod (608) touch the guide plate (1400), the gear one (6010) meshes with the teeth (606), adjust the angle of the connecting rod (604) so ​​that the bonding scraping component (800) is aligned with the heat absorption plate (700); S3: The cleaning frame (801) is fitted onto the heat absorption plate (700) along with the connecting rod (604). The second spring (803) pushes the adjusting plate (806) to fit against the plate wall. The scraping strip (808) scrapes away impurities as it moves. The rotating rod (807) at the corner rotates and the third spring (8012) adjusts the angle to reduce the probability of damaging the heat absorption plate (700). S4: The assembly rod (9010) moves with the moving seat (601), the pusher (901) pushes the impurities to both sides of the outer shell (100), the rack (905) meshes with the corresponding gear two (904), driving the guide column (906) to rotate, causing the lifting ring (908) to drive the lifting plate (9011) to rise, and the impurities enter the receiving shell (1300) through the opening. When the moving seat (601) moves in the opposite direction, the lifting plate (9011) descends to block the opening; S5: Heat exchange medium circulation and waste heat utilization The right-side central shell (1100) sends the cooling medium to the heat absorption plate (700). After absorbing heat, the medium flows to the left-side central shell (1100) and then through the conveying pipe (1200) to the external heat-requiring equipment to realize waste heat circulation. S6: The treated wastewater is discharged through the wastewater discharge pipe (300) at the bottom of the outer shell. The side door of the storage shell (1300) is opened periodically to clean the internal impurities without disassembling the device.

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