Steam generating device for waste heat utilization of ES fiber production heat conduction oil system

Abstract

The invention discloses a steam generation device for waste heat utilization of an ES fiber production heat conduction oil system, and relates to the technical field of waste heat recovery in textile fiber production. The device comprises a heat exchanger and a steam generator, the steam generator is arranged at the top of the heat exchanger, and a heat conducting plate is arranged at the top of the heat exchanger; a knocking mechanism is arranged in an inner cavity of the steam generator. The knocking hammer is used for periodically knocking the heat-conducting plate at high frequency, so that the scale generates fatigue cracks and is crushed, the floating cleaning brush supported by the spring is adaptively attached to the surface of the heat-conducting plate, crushed scale is thoroughly removed, stubborn scale on the surface of the heat-conducting plate can be effectively crushed and removed, the scale on the surface of the heat-conducting plate is timely removed, and the heat conduction performance of the heat-conducting plate is recovered; the energy loss is reduced, the steam generation efficiency is improved, the production energy consumption is reduced, the cleaning time is short, the effect is good, the problem of long time consumption of manual cleaning is avoided, and the equipment operation continuity is remarkably improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of waste heat recovery in textile fiber production, and in particular relates to a steam generating device for utilizing waste heat from a heat transfer oil system in ES fiber production. Background Art

[0002] As a key textile raw material, ES fiber production requires extensive use of thermal oil systems to maintain process temperatures. As the core heating unit, these systems emit high-temperature waste heat (typically 250-350°C), which contains enormous amounts of energy. Traditionally, this waste heat is often directly discharged, resulting in wasted energy. In recent years, waste heat recovery technology, which uses heat exchangers to generate steam for production, has become a key area of ​​energy conservation and consumption reduction in the industry.

[0003] However, the existing technology has the following prominent problems: First, when the thermal oil system is running for a long time, the high temperature environment can easily cause inorganic salt scale (such as calcium carbonate, magnesium sulfate, etc.) to condense on the surface of the heat transfer plate in the steam generator. The thermal conductivity of the scale is low, which will significantly reduce the heat exchange efficiency, resulting in a decrease in steam production and an increase in energy consumption; second, the traditional descaling method relies on manual shutdown and cleaning at regular intervals, which requires disassembling the equipment and manually knocking or scraping off the scale. This is not only labor-intensive and inefficient, but also seriously affects production continuity. Chemical cleaning can easily corrode equipment and cause wastewater pollution.

[0004] To this end, we provide a steam generating device that utilizes the waste heat of the ES fiber production thermal oil system to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a steam generating device for utilizing the waste heat of the ES fiber production thermal oil system. Through the cooperation of a knocking mechanism, a self-cleaning mechanism and a collecting mechanism, the present invention solves the problems of the steam generating device for utilizing the waste heat of the ES fiber production thermal oil system in the prior art, such as scaling of the heat conducting plate leading to reduced thermal efficiency, low manual cleaning efficiency and incomplete descaling.

[0006] To solve the above technical problems, the present invention is implemented through the following technical solutions.

[0007] The present invention provides a steam generating device for utilizing waste heat from a heat transfer oil system for ES fiber production, comprising a heat exchanger and a steam generator, wherein the steam generator is arranged on the top of the heat exchanger, and a heat transfer plate is provided on the top of the heat exchanger; a knocking mechanism is provided in an inner cavity of the steam generator, the knocking mechanism comprises a reciprocating screw rotatably connected to the inner cavity of the steam generator through a bearing seat, a silk sleeve threadedly connected to the surface of the reciprocating screw, a fixed plate fixedly connected to the surface of the silk sleeve, a rotating shaft rotatably connected to one side of the fixed plate through a bearing seat, and a knocking hammer fixedly connected to the surface of the rotating shaft; a self-cleaning mechanism is provided on one side of the fixed plate, the self-cleaning mechanism comprises a cleaning roller rotatably connected to one side of the fixed plate through a bearing seat, and a cleaning brush provided on the surface of the cleaning roller; a collecting mechanism is also provided in the inner cavity of the steam generator, the collecting mechanism comprises a first collecting box arranged in the inner cavity of the steam generator, and a second collecting box fixedly connected to one side of the first collecting box.

[0008] The present invention is further configured such that a driving motor is fixedly connected to one side of the steam generator, the output shaft of the driving motor is fixedly connected to a first bevel gear, a second bevel gear is meshed with the surface of the first bevel gear, the axis of the second bevel gear is fixedly connected to one end of the reciprocating screw, and the driving motor drives the reciprocating screw to rotate through the first bevel gear and the second bevel gear, thereby realizing the up and down reciprocating motion of the screw sleeve.

[0009] The present invention is further configured as follows: one side of the second collecting box is fixedly connected to a toothed plate, one side of the first toothed plate is meshed with the first gear, and the first gear is fixedly connected to a fixed shaft at the axis center of the first gear, and one end of the fixed shaft is fixedly connected to a turntable, the surface of the turntable is fixedly connected to a guide post, and the surface of the guide post is slidably connected to a sliding frame, one side of the sliding frame is fixedly connected to a second toothed plate, and one side of the second toothed plate is meshed with the second gear at the axis center of the second gear. During the up and down movement of the wire sleeve, the fixed shaft is driven to rotate under the action of the first toothed plate and the first gear, and the fixed shaft drives the turntable to rotate, and the turntable drives the second toothed plate to move through the guide post and the sliding frame, thereby driving the second gear meshed with the second toothed plate to rotate, realizing the forward and reverse rotation of the rotating shaft, and thereby driving the knocking hammers located on both sides of the heat conduction plate to periodically knock the heat conduction plate.

[0010] The present invention is further configured such that a third gear is fixedly connected to the surface of the fixed shaft, and the third gear is located between the first gear and the fixed plate, and a fourth gear is meshed on the surface of the third gear, and the axis center of the fourth gear is fixedly connected to one end of the cleaning roller, and the cleaning roller is parallel to the rotating shaft, and its surface is in contact with the upper surface of the heat conduction plate. Cleaning brushes are evenly distributed on the surface of the cleaning roller (the cleaning brush is made of nylon wire, the root has an interference fit with the cleaning roller, and the end is in flexible contact with the heat conduction plate). After the scale is crushed, the crushed scale is swept away from the surface of the heat conduction plate by the rotating cleaning brush to avoid secondary accumulation. The third gear is located between the first gear and the fixed plate, and the surface of the third gear is meshed with the fourth gear (the axis center of the fourth gear is fixedly connected to the right end of the cleaning roller). The third gear serves as an intermediate transmission member to transmit the power of the fixed shaft to the cleaning roller, driving the cleaning brush to rotate and clean.

[0011] The present invention is further configured such that a spring is fixedly connected to the inner cavity of the cleaning roller, and the other end of the spring is fixedly connected to one side of the cleaning brush. There are six cleaning brushes, which are arranged in a circular array. The setting of the spring enables the cleaning brush to maintain elastic contact with the surface of the heat conduction plate, avoiding rigid collision damage caused by deformation of the heat conduction plate or uneven scale thickness, and at the same time can adapt to the scale thickness at different positions to improve the cleaning coverage rate.

[0012] The present invention is further configured such that the surface of the reciprocating screw is fixedly connected to a third bevel gear, the surface of the third bevel gear is meshed with a fourth bevel gear, the axis center of the fourth bevel gear is fixedly connected to a first worm, the surface of the first worm is meshed with a first worm wheel, the surface of the third bevel gear is meshed with a fifth bevel gear, the axis center of the fifth bevel gear is fixedly connected to a second worm, the surface of the second worm is meshed with a second worm wheel, the third bevel gear is located at the bottom of the reciprocating screw, the surface of the third bevel gear is meshed with a fourth bevel gear, and the axis center of the fourth bevel gear is fixedly connected to The first worm is arranged horizontally, and a first worm wheel is engaged with the surface of the first worm, and the axis of the first worm wheel is fixedly connected to one end of the first conveying roller. The first conveying roller is located in the inner cavity of the first collecting box, and a spiral blade is arranged on the surface. The other side of the third bevel gear is engaged with a fifth bevel gear, and the axis of the fifth bevel gear is fixedly connected to the second worm. The second worm is arranged horizontally and perpendicular to the first worm, and a second worm wheel is engaged with the surface of the second worm, and the axis of the second worm wheel is fixedly connected to one end of the second conveying roller. The second conveying roller is located in the inner cavity of the second collection box, and the structure is the same as the first conveying roller.

[0013] The present invention is further configured such that the inner cavity of the first collection box is rotatably connected to the first conveying roller through a bearing seat, the axis of the first worm gear is fixedly connected to one end of the first conveying roller, and the inner cavity of the second collection box is rotatably connected to the second conveying roller through a bearing seat, and the axis of the second worm gear is fixedly connected to one end of the second conveying roller.

[0014] The present invention is further configured such that the number of the second collecting boxes is six, and a material guide plate is provided on one side of the four middle second collecting boxes, one end of the material guide plate is in contact with one side of the heat conduction plate, the top of the second collecting box is designed as an open structure, a drain pipe is provided on one side of the first collecting box, one side of the drain pipe passes through to the outside of the steam generator and is provided with a valve, and the power of the knocking mechanism is transmitted to the drain port through a worm gear transmission, driving the spiral blades to rotate and transporting the collected scale toward the drain port to avoid scale accumulation, the gap between the spiral blades of the first conveying roller and the second conveying roller and the inner wall of the collection box is between five and ten millimeters, ensuring that the scale can be effectively pushed out while avoiding blockage caused by excessive extrusion, the drain pipe passes through the outside of the steam generator and is provided with a valve, which is convenient for manual or automatic control of scale discharge.

[0015] The present invention is further configured such that a fixed block is fixedly connected to one side of the fixed plate, a sliding groove adapted to the fixed block is opened on one side of the second tooth plate, and the fixed block is slidably connected to the inner cavity of the sliding groove. The cooperation between the fixed block and the sliding groove limits the moving direction of the sliding frame, avoids jamming due to unbalanced load, and improves the movement accuracy.

[0016] The present invention is further configured such that a control box is provided on the front of the steam generator, and the control box has a built-in PLC controller, integrated temperature sensor, pressure sensor and motor drive module, which are used to monitor the steam temperature and pressure in real time, and control the start and stop and speed of the drive motor to achieve automatic operation, which belongs to the existing technology.

[0017] The present invention has the following beneficial effects.

[0018] 1. The present invention uses a hammer to periodically strike the heat conduction plate at high frequency, causing fatigue cracks in the scale and crushing it. The spring-supported floating cleaning brush adaptively fits the surface of the heat conduction plate to thoroughly remove the scale. It can effectively crush and remove stubborn scale on the surface of the heat conduction plate, promptly remove scale on the surface of the heat conduction plate, restore its heat conduction performance, reduce energy loss, improve steam generation efficiency, reduce production energy consumption, and has a short cleaning time and good effect, avoiding the problem of time-consuming manual cleaning and significantly improving the continuity of equipment operation.

[0019] 2. The present invention uses a single drive motor to transmit through three stages of bevel gear set, worm gear and rack gear set to synchronously drive the knocking, cleaning and conveying mechanisms, thereby reducing energy consumption and avoiding interference from multiple motors, realizing the integrated operation of waste heat utilization, automatic descaling and scaling, simplifying the equipment structure and reducing maintenance costs.

[0020] 3. The crushed scale of the present invention slides into the second collection box through the guide plate, and is pushed to the sewage pipe by the spiral conveying roller. It cooperates with the PLC control box to start and stop at a fixed time to achieve automatic scale removal and reduce the workload.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages mentioned above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0023] Figure 1 A three-dimensional diagram of the steam generation device that utilizes waste heat from the thermal oil system in ES fiber production.

[0024] Figure 2 Cross-sectional view of the steam generator in the steam generation device for utilizing waste heat from the thermal oil system in ES fiber production.

[0025] Figure 3 Coordination diagram of the third and fourth gears in the steam generating device for waste heat utilization of the thermal oil system in ES fiber production.

[0026] Figure 4 Cross-sectional view of the sweeping roller in the steam generation device for utilizing waste heat from the thermal oil system in ES fiber production.

[0027] Figure 5 Diagram of the coordination between the second tooth plate and the second gear in the steam generating device for utilizing waste heat from the thermal oil system in ES fiber production.

[0028] Figure 6 Diagram of the coordination of the hammer and sweeping roller in the steam generating device for utilizing waste heat from the thermal oil system in ES fiber production.

[0029] Figure 7 Diagram of the third, fourth, and fifth bevel gears in the steam generating device for utilizing waste heat from the thermal oil system in ES fiber production.

[0030] Figure 8 A top view of the first and second collection boxes in a steam generating device for utilizing waste heat from a thermal oil system in ES fiber production.

[0031] In the figure: 1, heat exchanger; 2, steam generator; 3, heat conducting plate; 4, reciprocating screw; 5, thread sleeve; 6, fixed plate; 7, rotating shaft; 8, knock hammer; 9, cleaning roller; 10, cleaning brush; 11, first collecting box; 12, second collecting box; 13, driving motor; 14, first bevel gear; 15, second bevel gear; 16, first tooth plate; 17, first gear; 18, fixed shaft; 19, turntable; 20, guide column; 21, sliding frame; 2 2. Second tooth plate; 23. Second gear; 24. Third gear; 25. Fourth gear; 26. Spring; 27. Third bevel gear; 28. Fourth bevel gear; 29. ​​First worm; 30. First worm wheel; 31. Fifth bevel gear; 32. Second worm; 33. Second worm wheel; 34. First conveyor roller; 35. Second conveyor roller; 36. Guide plate; 37. Drain pipe; 38. Valve; 39. Fixing block; 40. Slide; 41. Control box. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] Example 1

[0034] See also Figures 1-8 The present invention is a steam generating device for utilizing waste heat from a heat transfer oil system for producing ES fibers, comprising a heat exchanger 1 and a steam generator 2. The steam generator 2 is arranged on the top of the heat exchanger 1, and a heat transfer plate 3 is arranged on the top of the heat exchanger 1; a knocking mechanism is arranged in the inner cavity of the steam generator 2, and the knocking mechanism comprises a reciprocating screw 4 rotatably connected to the inner cavity of the steam generator 2 through a bearing seat, a threaded sleeve 5 threadedly connected to the surface of the reciprocating screw 4, a fixed plate 6 fixedly connected to the surface of the threaded sleeve 5, a rotating shaft 7 rotatably connected to one side of the fixed plate 6 through a bearing seat, and a rotating shaft 7 connected to the rotating shaft 7. 7. A striking hammer 8 is fixedly connected to the surface of the steam generator 2. A driving motor 13 is fixedly connected to the output shaft of the driving motor 13. A first bevel gear 14 is fixedly connected to the surface of the first bevel gear 14. A second bevel gear 15 is meshed with the surface of the first bevel gear 14. The axis of the second bevel gear 15 is fixedly connected to one end of the reciprocating screw 4. A fixed block 39 is fixedly connected to one side of the fixed plate 6. A slide groove 40 adapted to the fixed block 39 is provided on one side of the second tooth plate 22. The fixed block 39 is slidably connected to the inner cavity of the slide groove 40. A control box 41 is provided on the front of the steam generator 2.

[0035] Further supplement; the control box 41 has a built-in PLC controller, integrated temperature sensor, pressure sensor and motor drive module, which is used to monitor the steam temperature and pressure in real time, and control the start and stop and speed of the drive motor 13 to achieve automatic operation, which belongs to the existing technology. The steam generator 2 is fixedly arranged on the top of the heat exchanger 1, and the steam generator 2 is connected to the heat exchanger 1 through the heat conduction plate 3. The heat conduction plate 3 is made of copper or aluminum alloy (with high thermal conductivity, which is convenient for rapid heat transfer). Its lower surface is in contact with the high-temperature heat-conducting oil in the heat exchanger 1 (used to receive the waste heat of the heat-conducting oil and transfer the heat to the surface of the heat conduction plate 3 located in the inner cavity of the steam generator 2). The upper surface is the steam generating area. An oil inlet and an oil outlet are respectively provided on both sides of the heat exchanger 1 to facilitate the circulation of high-temperature heat-conducting oil. The length of the reciprocating screw 4 is consistent with the height of the steam generator 2, and the stroke covers the entire area of ​​the heat conduction plate 3. The knocking hammer 8 is cylindrical and made of high-carbon steel, hard The second gear 23 meshing with the second gear plate 22 rotates to realize the forward and reverse rotation of the rotating shaft 7, and then drives the knocking hammers 8 located on both sides of the heat conducting plate 3 to periodically knock the heat conducting plate 3, and periodically knock the condensed scale on the surface of the heat conducting plate 3 so that it is crushed due to stress concentration, which is convenient for subsequent cleaning.

[0036] Example 2

[0037] See also Figures 1-8 On the basis of Example 1, a self-cleaning mechanism is provided on one side of the fixed plate 6, and the self-cleaning mechanism includes a cleaning roller 9 rotatably connected to one side of the fixed plate 6 through a bearing seat, a cleaning brush 10 arranged on the surface of the cleaning roller 9, and a third gear 24 is fixedly connected to the surface of the fixed shaft 18. The third gear 24 is located between the first gear 17 and the fixed plate 6. A fourth gear 25 is meshed with the surface of the third gear 24. The axis of the fourth gear 25 is fixedly connected to one end of the cleaning roller 9. A spring 26 is fixedly connected to the inner cavity of the cleaning roller 9, and the other end of the spring 26 is fixedly connected to one side of the cleaning brush 10. There are six cleaning brushes 10, and they are arranged in a circular array.

[0038] Further supplement; the cleaning roller 9 is parallel to the rotating shaft 7, and its surface is in contact with the upper surface of the heat conduction plate 3. Cleaning brushes 10 are evenly distributed on the surface of the cleaning roller 9 (the cleaning brush 10 is made of nylon wire, the root is interference fit with the cleaning roller 9, and the end is in flexible contact with the heat conduction plate 3). After the scale is crushed, the crushed scale is swept away from the surface of the heat conduction plate 3 by the rotating cleaning brush 10 to avoid secondary accumulation. The third gear 24 is located between the first gear 17 and the fixed plate 6. The surface of the third gear 24 is meshed with a fourth gear 25 (the axis of the fourth gear 25 is fixedly connected to the right end of the cleaning roller 9). The third gear 24 serves as an intermediate transmission member to transmit the power of the fixed shaft 18 to the cleaning roller 9, driving the cleaning brush 10 to rotate and clean. The setting of the spring 26 enables the cleaning brush 10 to maintain elastic contact with the surface of the heat conduction plate 3, avoiding rigid collision damage caused by deformation of the heat conduction plate 3 or uneven scale thickness. At the same time, it can adapt to the scale thickness at different positions to improve the cleaning coverage rate.

[0039] Example 3

[0040] See also Figures 1-8 On the basis of Examples 1 and 2, the inner cavity of the steam generator 2 is further provided with a collecting mechanism, which includes a first collecting box 11 provided in the inner cavity of the steam generator 2, a second collecting box 12 fixedly connected to one side of the first collecting box 11, a third bevel gear 27 fixedly connected to the surface of the reciprocating screw 4, a fourth bevel gear 28 meshed with the surface of the third bevel gear 27, a first worm 29 fixedly connected to the axis of the fourth bevel gear 28, a first worm gear 30 meshed with the surface of the first worm 29, a fifth bevel gear 31 meshed with the surface of the third bevel gear 27, a second worm 32 fixedly connected to the axis of the fifth bevel gear 31, and a second worm gear 32 meshed with the surface of the second worm gear 32. 3. The inner cavity of the first collecting box 11 is rotatably connected to the first conveying roller 34 through a bearing seat, and the axis of the first worm gear 30 is fixedly connected to one end of the first conveying roller 34. The inner cavity of the second collecting box 12 is rotatably connected to the second conveying roller 35 through a bearing seat, and the axis of the second worm gear 33 is fixedly connected to one end of the second conveying roller 35. There are six second collecting boxes 12, and a material guide plate 36 is provided on one side of the four second collecting boxes 12 in the middle. One end of the material guide plate 36 is in contact with one side of the heat conducting plate 3. The top of the second collecting box 12 is designed as an open structure. A drain pipe 37 is provided on one side of the first collecting box 11. One side of the drain pipe 37 passes through the outside of the steam generator 2 and is provided with a valve 38.

[0041] Further supplement; the first collecting box 11 is a rectangular structure, and the number of the second collecting boxes 12 is six, which are evenly distributed along the width direction of the steam generator 2. The top of each second collecting box 12 is open, and the first collecting box 11 and the second collecting box 12 are connected through a guide plate 36 (the guide plate 36 is a metal plate with an inclination angle of thirty to fifty degrees to facilitate scale sliding off). The third bevel gear 27 is located at the bottom of the reciprocating screw 4. The surface of the third bevel gear 27 is meshed with the fourth bevel gear 28, and the axis of the fourth bevel gear 28 is fixedly connected to the first worm 29. The first worm 29 is horizontally arranged, and the surface of the first worm 29 is meshed with the first worm gear 30. The axis of the first worm gear 30 is fixedly connected to one end of the first conveying roller 34. The first conveying roller 34 is located in the inner cavity of the first collecting box 11, and spiral blades are arranged on the surface. The other side of the third bevel gear 27 is meshed with There is a fifth bevel gear 31, and a second worm 32 is fixedly connected to the axis of the fifth bevel gear 31. The second worm 32 is arranged horizontally and perpendicular to the first worm 29. A second worm gear 33 is meshed with the surface of the second worm 32. The axis of the second worm gear 33 is fixedly connected to one end of the second conveying roller 35. The second conveying roller 35 is located in the inner cavity of the second collecting box 12. The structure is the same as the first conveying roller 34. The power of the knocking mechanism is transmitted to the worm gear transmission, driving the spiral blades to rotate and conveying the collected scale toward the sewage outlet to avoid scale accumulation. The gap between the spiral blades of the first conveying roller 34 and the second conveying roller 35 and the inner wall of the collection box is between five and ten millimeters to ensure that the scale can be effectively pushed out and to avoid blockage caused by excessive extrusion. The sewage pipe 37 passes through the outside of the steam generator 2 and is provided with a valve 38 for manual or automatic control of scale discharge.

[0042] The working principle of the present invention is as follows: the high-temperature heat-conducting oil of the heat-conducting oil system enters the inner cavity of the heat exchanger 1, heats the heat-conducting plate 3, and the heat-conducting plate 3 conducts the heat to the surface of the heat-conducting plate 3 located in the inner cavity of the steam generator 2, heating the water flowing through the steam generator 2 into steam. As the operation time increases, scale (mainly composed of calcium carbonate, magnesium sulfate, etc.) gradually condenses on the upper surface of the heat-conducting plate 3.

[0043] When regular cleaning is required, first stop the steam generator 2 and drain the water inside it. Then, the control box 41 starts the drive motor 13. The output shaft of the drive motor 13 drives the first bevel gear 14 to rotate. The first bevel gear 14 engages with the second bevel gear 15 to rotate. The second bevel gear 15 drives the reciprocating screw 4 to rotate. The wire sleeve 5 moves upward along the reciprocating screw 4 due to the threaded fit, driving the fixed plate 6, the rotating shaft 7 and the knocking hammer 8 to move.

[0044] During the up and down movement of the wire sleeve 5, under the action of the first tooth plate 16 and the first gear 17, the fixed shaft 18 is driven to rotate, and the fixed shaft 18 drives the turntable 19 to rotate. The turntable 19 drives the second tooth plate 22 to move through the guide column 20 and the sliding frame 21 (the cooperation between the fixed block 39 and the slide groove 40 limits the moving direction of the sliding frame 21, avoids jamming due to unbalanced load, and improves the movement accuracy), thereby driving the second gear 23 engaged with the second tooth plate 22 to rotate, realizing the forward and reverse rotation of the rotating shaft 7, and then driving the knocking hammers 8 located on both sides of the heat conducting plate 3 to periodically knock the heat conducting plate 3, and periodically knock the condensed scale on the surface of the heat conducting plate 3, so that it is crushed due to stress concentration, and the scale is crushed due to stress fatigue.

[0045] At the same time, the rotation of the fixed shaft 18 will drive the fourth gear 25 to rotate through the third gear 24, and the fourth gear 25 will drive the rotating shaft 7 to rotate synchronously (the speed matches the knocking frequency), and the rotating shaft 7 drives the cleaning roller 9 to rotate. The cleaning brush 10 flexibly contacts the surface of the heat conduction plate 3 under the elastic force of the spring 26, and sweeps away the crushed scale. The scale slides along the guide plate 36 to or directly falls into the second collection box 12. By removing the scale, the waste heat recovery efficiency is improved, and the problem of time-consuming manual cleaning is avoided at the same time.

[0046] At the same time, the third bevel gear 27 rotates due to the rotation of the reciprocating screw 4, meshing with the fourth bevel gear 28 and the fifth bevel gear 31 respectively, driving the first worm 29 and the second worm 32 to rotate, and the first worm gear 30 and the second worm gear 33 rotate accordingly, driving the spiral blades of the first conveying roller 34 and the second conveying roller 35 to rotate, pushing the collected scale toward the drain pipe 37, and the scale is discharged from the steam generator 2 through the drain pipe 37, realizing the integrated function of the cleaning and recovery machinery and reducing the workload.

[0047] The heat transfer plate 3 absorbs the waste heat of the heat transfer oil to generate steam. At the same time, the knocking mechanism is used to periodically knock and crush scale. The self-cleaning mechanism elastically sweeps and removes the broken scale. The collection mechanism and the conveying roller carry out directionally scale removal to complete the scale cleaning. The various components work together through transmission mechanisms such as bevel gears and worm gears to achieve the integrated operation of "waste heat utilization, automatic scale removal and impurity discharge", which significantly improves the energy efficiency and stability of ES fiber production.

[0048] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. A steam generating device for utilizing waste heat from a heat transfer oil system for ES fiber production, comprising a heat exchanger (1) and a steam generator (2), characterized in that: The steam generator (2) is arranged on the top of the heat exchanger (1), and a heat conducting plate (3) is arranged on the top of the heat exchanger (1); The inner cavity of the steam generator (2) is provided with a knocking mechanism, which comprises a reciprocating screw (4) rotatably connected to the inner cavity of the steam generator (2) via a bearing seat, a threaded sleeve (5) threadedly connected to the surface of the reciprocating screw (4), a fixed plate (6) fixedly connected to the surface of the threaded sleeve (5), a rotating shaft (7) rotatably connected to one side of the fixed plate (6) via a bearing seat, and a knocking hammer (8) fixedly connected to the surface of the rotating shaft (7); A self-cleaning mechanism is provided on one side of the fixed plate (6), and the self-cleaning mechanism includes a cleaning roller (9) rotatably connected to one side of the fixed plate (6) via a bearing seat, and a cleaning brush (10) provided on the surface of the cleaning roller (9); The inner cavity of the steam generator (2) is also provided with a collection mechanism, which comprises a first collection box (11) provided in the inner cavity of the steam generator (2) and a second collection box (12) fixedly connected to one side of the first collection box (11).

2. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 1, characterized in that: A driving motor (13) is fixedly connected to one side of the steam generator (2); an output shaft of the driving motor (13) is fixedly connected to a first bevel gear (14); a second bevel gear (15) is meshed on the surface of the first bevel gear (14); and the axis of the second bevel gear (15) is fixedly connected to one end of the reciprocating screw (4).

3. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 1, characterized in that: One side of the second collecting box (12) is fixedly connected to a first toothed plate (16), one side of the first toothed plate (16) is meshed with a first gear (17), the axis of the first gear (17) is fixedly connected to a fixed shaft (18), one end of the fixed shaft (18) is fixedly connected to a turntable (19), the surface of the turntable (19) is fixedly connected to a guide column (20), the surface of the guide column (20) is slidably connected to a sliding frame (21), one side of the sliding frame (21) is fixedly connected to a second toothed plate (22), one side of the second toothed plate (22) is meshed with a second gear (23), and the axis of the second gear (23) is fixedly connected to the surface of the rotating shaft (7).

4. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 3, characterized in that: A third gear (24) is fixedly connected to the surface of the fixed shaft (18), and the third gear (24) is located between the first gear (17) and the fixed plate (6). A fourth gear (25) is meshed on the surface of the third gear (24), and the axis of the fourth gear (25) is fixedly connected to one end of the cleaning roller (9).

5. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 1, characterized in that: A spring (26) is fixedly connected to the inner cavity of the cleaning roller (9), and the other end of the spring (26) is fixedly connected to one side of the cleaning brush (10). There are six cleaning brushes (10) arranged in a circular array.

6. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 1, characterized in that: The surface of the reciprocating screw (4) is fixedly connected to a third bevel gear (27), the surface of the third bevel gear (27) is meshed with a fourth bevel gear (28), the axis of the fourth bevel gear (28) is fixedly connected to a first worm (29), the surface of the first worm (29) is meshed with a first worm wheel (30), the surface of the third bevel gear (27) is meshed with a fifth bevel gear (31), the axis of the fifth bevel gear (31) is fixedly connected to a second worm (32), and the surface of the second worm (32) is meshed with a second worm wheel (33).

7. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 6, characterized in that: The inner cavity of the first collecting box (11) is rotatably connected to a first conveying roller (34) via a bearing seat, and the axis of the first worm gear (30) is fixedly connected to one end of the first conveying roller (34). The inner cavity of the second collecting box (12) is rotatably connected to a second conveying roller (35) via a bearing seat, and the axis of the second worm gear (33) is fixedly connected to one end of the second conveying roller (35).

8. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 1, characterized in that: There are six second collecting boxes (12), and a material guide plate (36) is provided on one side of the four middle second collecting boxes (12), one end of the material guide plate (36) is in contact with one side of the heat conducting plate (3), the top of the second collecting box (12) is designed as an open structure, a sewage pipe (37) is provided on one side of the first collecting box (11), one side of the sewage pipe (37) passes through to the outside of the steam generator (2) and is provided with a valve (38).

9. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 3, characterized in that: A fixed block (39) is fixedly connected to one side of the fixed plate (6), a sliding groove (40) adapted to the fixed block (39) is opened on one side of the second tooth plate (22), and the fixed block (39) is slidably connected to the inner cavity of the sliding groove (40).

10. The steam generating device for utilizing waste heat from a thermal oil system for ES fiber production according to claim 1, characterized in that: A control box (41) is provided on the front of the steam generator (2).

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