Dewatering device for biodiesel

Abstract

The utility model relates to the technical field of biodiesel processing, and discloses a water removal device for biodiesel, which specifically comprises a device body, synchronous rollers are movably connected to two sides of the top end of an inner cavity of the device body, the two synchronous rollers are in transmission connection through a water absorption belt, and a feed hopper is arranged at the top of one side of a straight section on the water absorption belt. A material collecting hopper is arranged below the side, away from the feeding hopper, of the water absorbing belt, the bottom of the material collecting hopper is fixedly connected with a discharging pipe, and the other end of the discharging pipe extends out of the device body. According to the device, the regeneration of the water absorption belt can be realized by utilizing the regeneration box, the long-time water removal effect of the device is guaranteed, residual heat in the regenerated water absorption belt can be recovered by utilizing the heat recovery structure, the water absorption belt is convenient to reuse, the recovered heat is used for preheating the water absorption belt after water absorption, the water removal efficiency of the water absorption belt is improved, and the water removal efficiency of the water absorption belt is improved. And the energy consumption of the device is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to biodiesel processing technical field, concretely is a water trap for biodiesel. BACKGROUND

[0002] In the production process of preparing biodiesel product with waste oil and other raw materials, the obtained biodiesel contains a small amount of water, which will affect the combustion of biodiesel in the engine during the use of replacing petrochemical fuel, and may also corrode the engine. Therefore, water removal operation must be carried out in the preparation process of biodiesel.

[0003] In the related art, biodiesel can be removed by heating or vacuum flash evaporation, but the heating method will cause side reactions, resulting in darkening of the color of the biodiesel after water removal, affecting the quality of the biodiesel, and the vacuum flash evaporation method will cause loss of light components in the biodiesel, also affecting the quality of the biodiesel. Based on this, the present application provides a biodiesel water removal device. UTILITY MODEL CONTENT

[0004] The utility model provides a water trap for biodiesel, which solves the problem of biodiesel quality affected by the heating or vacuum flash evaporation method for water removal in the background art.

[0005] The utility model provides the following technical scheme: a water trap for biodiesel, comprising a device body, two synchronous rollers are movably connected to the top of the inner cavity of the device body, the two synchronous rollers are drivingly connected through a water absorption belt, a feed hopper is arranged on the top of one side of the straight section of the water absorption belt, a material collecting hopper is arranged below the side of the water absorption belt away from the feed hopper, a discharge pipe is fixedly connected to the bottom of the material collecting hopper, and the other end of the discharge pipe extends to the outside of the device body; a scraping plate is fixedly connected to the inner cavity of the device body, the scraping plate is located above the material collecting hopper, and the top of the scraping plate is in contact with the water absorption belt; a preheating structure, a regeneration box and a heat recovery structure are sequentially arranged at the bottom end of the inner cavity of the device body, the preheating structure is located on the side of the regeneration box close to the material collecting hopper, the air inlet end of the preheating structure is connected with the air outlet end of the heat recovery structure through a connecting pipe, the preheating structure and the heat recovery structure each comprise two groups of heat exchange pipes, the lower section of the water absorption belt is located between the two groups of heat exchange pipes, the lower straight section of the water absorption belt is movably connected with the inner cavity of the regeneration box, a heating plate is arranged in the inner cavity of the regeneration box, and a steam discharge pipe is arranged on the top of the regeneration box.

[0006] Preferably, the straight section of the heat exchange pipe is in contact with the water absorption belt, the arc section of the heat exchange pipe is fixedly connected with the device body, and the straight section of the heat exchange pipe is movably connected with the arc section thereof.

[0007] Preferably, the air inlet end of the preheating structure is located at the side close to the regenerating box, and the air outlet end of the preheating structure is located outside the device body; the air inlet end of the heat recovery structure is located at the side away from the regenerating box, and the device body is fixedly connected with a blower, and the air outlet end of the blower is connected with the air inlet end of the heat recovery structure.

[0008] Preferably, the device body is fixedly connected with an exhaust fan, and the air inlet end of the exhaust fan is fixedly connected with the other end of the steam discharge pipe.

[0009] Preferably, the regenerating box is provided with an inlet and an outlet on both sides, the lower flat section of the water absorption belt is movably connected with the inner cavities of the inlet and the outlet, and the heating plate is located below the water absorption belt.

[0010] Preferably, the top of the device body is fixedly connected with a limiting plate and a quantitative plate, the feeding hopper is located between the quantitative plate and the limiting plate, the limiting plate is located at the side away from the material collecting hopper of the feeding hopper, the bottom of the limiting plate is tightly attached to the top of the water absorption belt, and the bottom of the quantitative plate has a gap with the water absorption belt; one end of the device body is fixedly connected with a servo motor, and the output shaft of the servo motor is fixedly connected with the middle of the end of one of the synchronous rollers.

[0011] Preferably, the end of the discharging pipe away from the material collecting hopper is downwardly inclined, and the inner wall of the material collecting hopper, the outer surface of the scraping plate and the inner wall of the discharging pipe are coated with an anti-sticking coating.

[0012] The device utilizes the water absorption belt to transport biodiesel, and the water in the biodiesel is adsorbed by the water absorption belt during the transportation process, so that the operation of removing water from the biodiesel is realized. In this process, the biodiesel is in a normal temperature environment, and the quality of the biodiesel is not affected. The regenerating box can be used to regenerate the water absorption belt, so as to ensure the long-term water removal effect of the device. The heat recovery structure can be used to recover the residual heat in the regenerated water absorption belt, so as to facilitate the reuse of the water absorption belt, and the recovered heat can be used to preheat the water absorption belt after water absorption, so as to improve the water removal efficiency of the water absorption belt and reduce the energy consumption of the device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view of the structure of the device.

[0014] Figure 2 It is a front view of the structure of the device. Figure 1

[0015] Figure 3 It is a front view of the structure of the device. Figure 1

[0016] Figure 4 It is a top view of the water absorption belt of the device.​​

[0017] Figure 5 The utility model structural regeneration box inside view. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0019] Please refer to Figures 1 to 5 The utility model provides a kind of water removal device for biodiesel, including device body 1, the two sides of the top end of the inner chamber of device body 1 are movably connected with synchronous roller 17, two synchronous rollers 17 are driven connection by water absorption belt 14, and one end of device body 1 is fixedly connected with servo motor 6, the output shaft end of servo motor 6 is fixedly connected with the middle part of the end of one synchronous roller 17 by speed reducer, by the setting of servo motor 6, the rotation of servo motor 6 can drive synchronous roller 17 rotationally fixedly connected with it, synchronous roller 17 drives water absorption belt 14 rotationally.In some embodiments of the present application, water absorption belt 14 is hollow structure, uniform micro-porous that water supplies on the side wall of water absorption belt 14, the inner chamber of water absorption belt 14 is uniformly fixedly connected with high molecular water-absorbing resin on the side away from synchronous roller 17, and the inner chamber of water absorption belt 14 provides expansion space for water-absorbing resin, avoid the influence of water-absorbing resin water-absorbing expansion to the shape of water absorption belt 14, water absorption belt 14 realizes water absorption function by water-absorbing resin, and water-absorbing resin can be regenerated in high temperature environment, and the type of water-absorbing resin can be selected according to demand, not limited here.

[0020] The top of one side of the upper flat section of water absorption belt 14 is equipped with feeding hopper 2, and a water absorption cavity is formed between the upper flat section of water absorption belt 14 and device body 1, and the biodiesel to be dehydrated is evenly scattered on the upper flat section of water absorption belt 14 through feeding hopper 2, and the water-absorbing resin in the inner chamber of water absorption belt 14 can absorb water in biodiesel during the transportation of biodiesel by water absorption belt 14, to achieve the purpose of dehydrating biodiesel.

[0021] The top of the inner cavity of the device body 1 is fixedly connected with a limiting plate 16 and a quantitative plate 20. The feeding hopper 2 is located between the quantitative plate 20 and the limiting plate 16, and the limiting plate 16 is located on the side of the feeding hopper 2 away from the material collecting hopper 12. The bottom of the limiting plate 16 is tightly attached to the top of the water absorption belt 14. The bottom of the quantitative plate 20 has a gap with the water absorption belt 14. The gap between the quantitative plate 20 and the water absorption belt 14 can be set according to requirements and is not limited herein. Through the setting of the quantitative plate 20 and the limiting plate 16, the quantitative plate 20 can scrape the spilled biodiesel on the water absorption belt 14 evenly and control the thickness of the biodiesel attached to the water absorption belt 14, thereby ensuring the water removal effect of the biodiesel. The limiting plate 16 can limit the biodiesel to avoid spilling.

[0022] A material collecting hopper 12 is arranged below the side of the water absorption belt 14 away from the feeding hopper 2. The bottom of the material collecting hopper 12 is fixedly connected with a discharge pipe 5. The other end of the discharge pipe 5 extends to the outside of the device body 1. Under the action of gravity, the biodiesel transported on the water absorption belt 14 can fall into the material collecting hopper 12 and be discharged through the discharge pipe 5. The end of the discharge pipe 5 away from the material collecting hopper 12 is downwardly inclined, facilitating the discharge of the biodiesel.

[0023] A scraping plate 13 is fixedly connected in the inner cavity of the device body 1. The scraping plate 13 is located above the material collecting hopper 12. The top of the scraping plate 13 is in contact with the water absorption belt 14. Through the setting of the scraping plate 13, the scraping plate 13 can scrape off the residual biodiesel attached to the water absorption belt 14. The inner wall of the material collecting hopper 12, the outer surface of the scraping plate 13, and the inner wall of the discharge pipe 5 are all coated with an anti-sticking coating.

[0024] Please refer to Figures 1 to 5 The bottom end of the inner cavity of the device body 1 is sequentially provided with a preheating structure 9, a regeneration box 11, and a heat recovery structure 10. The preheating structure 9 is located on the side of the regeneration box 11 close to the material collecting hopper 12. The air inlet end of the preheating structure 9 is connected with the air outlet end of the heat recovery structure 10 through a connecting pipe 4. The air inlet end of the preheating structure 9 is located on the side close to the regeneration box 11. The air outlet end 7 of the preheating structure 9 is located outside the device body 1. The air inlet end of the heat recovery structure 10 is located on the side away from the regeneration box 11. An air blower 8 is fixedly connected outside the device body 1. The air outlet end of the air blower 8 is connected with the air inlet end of the heat recovery structure 10. As described above, when the air blower 8 is working, it can blow air from the outside into the inner cavity of the heat recovery structure 10. The air in the inner cavity of the heat recovery structure 10 can enter the inner cavity of the preheating structure 9 through the connecting pipe 4. The air in the inner cavity of the preheating structure 9 is discharged through the air outlet end 7 thereof.

[0025] The preheating structure 9 and the heat recovery structure 10 each include two groups of heat exchange pipes, the flat sections of the heat exchange pipes are in contact with the water absorption belt 14, the arc sections of the heat exchange pipes are fixedly connected with the device body 1, and the flat sections of the heat exchange pipes are movably connected with the arc sections thereof, and the lower flat section of the water absorption belt 14 is located between the two groups of heat exchange pipes.

[0026] Both sides of the inner cavity of the regeneration box 11 are provided with inlets and outlets 19, the lower flat section of the water absorption belt 14 is movably connected with the inner cavities of the inlets and outlets 19, the lower flat section of the water absorption belt 14 is movably connected with the inner cavity of the regeneration box 11, the inner cavity of the regeneration box 11 is provided with a heating plate 18, the heating plate 18 is located below the water absorption belt 14, the top of the regeneration box 11 is provided with a steam discharge pipe 15, the outside of the device body 1 is fixedly connected with an air extractor 3, and the air inlet end of the air extractor 3 is fixedly connected with the other end of the steam discharge pipe 15. Through the arrangement of the heating plate 18, when the heating plate 18 is powered on, the heat dissipated by the heating plate 18 can heat the water absorption resin during the movement of the water absorption belt 14 in the inner cavity of the regeneration box 11, so as to regenerate the water absorption resin and ensure the water removal effect of the device. The water vapor discharged from the water absorption resin is discharged through the steam discharge pipe 15 under the action of the air extractor 3.

[0027] As can be known from the above description, when the device is used, the water absorption belt 14 is used to transport biodiesel, and the water in the biodiesel is absorbed by the water absorption belt 14 during the transportation process, so as to realize the water removal operation of the biodiesel. In this process, the biodiesel is in a normal temperature environment, which will not affect the quality of the biodiesel. The regeneration box is used to regenerate the water absorption belt 14, so as to ensure the long-term water removal effect of the device. The heat recovery structure is used to recover the residual heat in the regenerated water absorption belt 14, so as to facilitate the reuse of the water absorption belt 14, preheat the water absorption belt 14 after water absorption by using the recovered heat, improve the water absorption efficiency of the water absorption belt, and reduce the energy consumption of the device.

[0028] The electrical components involved in the present application are all prior art, and those skilled in the art understand their connection methods. Those skilled in the art connect all electrical components in the present application with their adapted power sources through wires, and select appropriate controllers according to actual conditions to meet the control requirements. The specific connection and control sequence are described below, and the working order of each electrical component is completed. The detailed connection means is a known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0029] In summary, when the water removing device for the bio-diesel is used, the servo motor 6, the air blower 8 and the air extractor 3 all work, the servo motor 6 drives the synchronous roller 17 fixedly connected thereto to rotate, the synchronous roller 17 drives the water absorption belt 14 to rotate, when the water absorption belt 14 rotates, the bio-diesel to be removed water drops on the water absorption belt 14 through the feeding hopper 2, the water absorption belt 14 drives the bio-diesel to move, in the moving process of the bio-diesel, the quantitative plate 20 can scrape the excess bio-diesel, so that the bio-diesel on the water absorption belt 14 maintains a quantitative thickness, in the transportation process of the bio-diesel, the water absorption resin in the water absorption belt 14 absorbs the water in the bio-diesel, so that the purpose of removing water of the bio-diesel is achieved, the bio-diesel after water removal drops into the inner cavity of the collecting hopper 12 under the action of gravity, the bio-diesel remaining on the water absorption belt 14 is scraped off by the scraping plate 13, the scraped bio-diesel drops into the inner cavity of the collecting hopper 12 under the action of gravity, the bio-diesel in the inner cavity of the collecting hopper 12 is discharged through the discharge pipe 5, the work of the air blower 8 makes the air flow in the inner cavities of the heat recovery structure 10 and the preheating structure 9, the water absorption belt 14 after water absorption passes through the preheating structure 9 and enters the inner cavity of the regeneration box 11, the regeneration of the water absorption resin is realized in the inner cavity of the regeneration box 11 through the high-temperature regeneration, the water absorption belt 14 after regeneration passes through the heat recovery structure 10, the heat recovery structure 10 recovers the heat remaining on the water absorption belt 14, avoids the influence of the heat remaining on the water absorption belt 14 on the quality of the bio-diesel, and the recovered heat is used for preheating the water absorption belt 14 after water absorption, improving the regeneration efficiency of the water absorption belt 14, the work of the air extractor 3 makes the steam generated in the regeneration process discharged through the steam discharge pipe 15.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, which will not be described in detail here, the contents not described in detail in the description belong to the prior art known by the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and modified in various manners without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A water removing device for biodiesel, comprising a device body, characterized by: The both sides of the top end of the inner cavity of the device body are movably connected with synchronous rollers, the two synchronous rollers are drivingly connected through a water absorption belt, the top of the side of the straight section of the water absorption belt is provided with a feeding hopper, the side of the water absorption belt away from the feeding hopper is provided below with a gathering hopper, the bottom of the gathering hopper is fixedly connected with a discharge pipe, the other end of the discharge pipe extends to the outside of the device body; a scraping plate is fixedly connected in the inner cavity of the device body, the scraping plate is located above the gathering hopper, the top of the scraping plate is in contact with the water absorption belt; the bottom end of the inner cavity of the device body is sequentially provided with a preheating structure, a regeneration box and a heat recovery structure, the preheating structure is located on the side of the regeneration box close to the gathering hopper, the air inlet end of the preheating structure is connected with the air outlet end of the heat recovery structure through a connecting pipe, the preheating structure and the heat recovery structure all comprise two groups of heat exchange pipes, the lower section of the water absorption belt is located between the two groups of heat exchange pipes, the lower straight section of the water absorption belt is movably connected with the inner cavity of the regeneration box, a heating plate is arranged in the inner cavity of the regeneration box, the top of the regeneration box is provided with a steam discharge pipe.

2. The water removal device for biodiesel according to claim 1, characterized by: The straight section of the heat exchange pipe is in contact with the water absorption belt, the arc section of the heat exchange pipe is fixedly connected with the device body, and the straight section of the heat exchange pipe is movably connected with the arc section thereof.

3. The water removal device for biodiesel according to claim 1, characterized by: The air inlet end of the preheating structure is located on the side thereof close to the regeneration box, the air outlet end of the preheating structure is located outside the device body; the air inlet end of the heat recovery structure is located on the side thereof away from the regeneration box, a blower is fixedly connected outside the device body, and the air outlet end of the blower is connected with the air inlet end of the heat recovery structure.

4. The water removal device for biodiesel according to claim 1, characterized by: A suction fan is fixedly connected outside the device body, and the air inlet end of the suction fan is fixedly connected with the other end of the steam discharge pipe.

5. The water removal device for biodiesel according to claim 1, characterized by: The both sides of the inner cavity of the regeneration box are provided with inlets and outlets, the lower straight section of the water absorption belt is movably connected with the inner cavities of the inlets and outlets, and the heating plate is located below the water absorption belt.

6. The water removal device for biodiesel according to claim 1, characterized by: The top of the inner cavity of the device body is fixedly connected with a limiting plate and a quantitative plate, the feeding hopper is located between the quantitative plate and the limiting plate, the limiting plate is located on the side of the feeding hopper away from the gathering hopper, the bottom of the limiting plate is tightly attached to the top of the water absorption belt, and the bottom of the quantitative plate has a gap with the water absorption belt; one end of the device body is fixedly connected with a servo motor, and the output shaft tail end of the servo motor is fixedly connected with the middle of the end portion of one synchronous roller.

7. The water removal device for biodiesel according to claim 1, characterized by: The end of the discharge pipe away from the gathering hopper is downwardly inclined, and the inner wall of the gathering hopper, the outer surface of the scraping plate and the inner wall of the discharge pipe are all coated with an anti-sticking coating.

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