Pollution-free energy-saving spray dryer

Abstract

The utility model discloses a pollution-free energy-saving spray dryer which comprises a movable support, the bottom face of the movable support is fixedly connected with two movable wheels, the upper surface of the movable support is fixedly connected with two sets of stand columns, and the top ends of the two sets of stand columns are jointly and fixedly connected with a supporting plate. A drying cylinder and a chromic oxide feed liquid barrel are fixedly embedded in the upper surface of the supporting plate, a high-speed centrifugal atomizer is fixedly embedded in the upper surface of the drying cylinder, and a spiral air distributor is fixedly embedded in the inner top wall of the drying cylinder. According to the spray drying device, through the cyclone separator, the gas return pipe and the gas conveying pipe, dried chromium oxide finished products and waste gas can be separated, backflow and recycling of high-temperature waste gas are achieved, and energy-saving use of the spray drying device is facilitated; and a worker can push the movable support to move more conveniently, moving and transferring of the spray drying device are facilitated, and the convenience performance of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray dryers, in particular to a pollution-free energy-saving spray dryer. Background Art

[0002] Spray dryer is a device that can complete drying and granulation at the same time. The pressure, flow rate and size of the spray hole of the liquid pump can be adjusted according to the process requirements to obtain the required spherical particles of a certain size ratio. Spray dryer is a kind of continuous atmospheric pressure dryer. It uses special equipment to spray liquid into mist so that it can be dried by contact with hot air. It is used to dry some heat-sensitive liquids, suspensions and viscous liquids. It is also used to dry fuels, intermediates, soap powder and inorganic salts.

[0003] Among them, the utility model patent with announcement number CN219743923U discloses a pollution-free energy-saving spray dryer. However, the above patent still has certain shortcomings when in use. Its overall structure is placed in the processing workshop, which is inconvenient to move, reducing the convenience of this spray dryer. In addition, the structure of the waste heat utilization device of the dryer is relatively complicated, which is not convenient for the efficient utilization of the waste heat of the dryer. Therefore, we propose a pollution-free energy-saving spray dryer to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a pollution-free energy-saving spray dryer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pollution-free energy-saving spray dryer comprises a mobile bracket, the bottom surface of the mobile bracket is fixedly connected to two mobile wheels, the upper surface of the mobile bracket is fixedly connected to two groups of columns, the top ends of the two groups of columns are commonly fixedly connected to a support plate, the upper surface of the support plate is fixedly inlaid with a drying cylinder and a chromium oxide liquid barrel, the upper surface of the drying cylinder is fixedly inlaid with a high-speed centrifugal atomizer, the inner top wall of the drying cylinder is fixedly inlaid with a spiral air distributor, the upper surface of the support plate is fixedly connected to an air blower, the right side of the drying cylinder is fixedly connected to an air heater, the input end of the air heater is fixedly connected to a high-efficiency filter, the output end of the air blower is fixedly connected to an air supply pipe, the output end of the air supply pipe is fixedly connected to the input end of the high-efficiency filter, and the spiral air The input end of the distributor passes through the drying cylinder and is fixedly connected to the output end of the air heater. The upper surface of the chromium oxide liquid barrel is fixedly connected with a liquid pump. The input end of the liquid pump is fixedly connected with a pumping pipe. The input end of the pumping pipe passes through the chromium oxide liquid barrel and extends to the interior of the chromium oxide liquid barrel. The output end of the liquid pump is fixedly connected with a discharge pipe. The outer surface of the discharge pipe is fixedly connected with a liquid regulator. The output end of the discharge pipe is fixedly connected with the input end of the high-speed centrifugal atomizer. The bottom end of the drying cylinder is fixedly connected with a cyclone separator. A collecting bottle is installed at the bottom end of the cyclone separator. The output end of the cyclone separator is fixedly connected with a return air pipe. A through opening is opened on the upper surface of the support plate. The output end of the return air pipe passes through the through opening and is fixedly connected with the bottom surface of the air supply pipe.

[0007] In a further embodiment, a control panel is fixedly connected to the front side of one of the two groups of columns, and the control panel is electrically connected to the liquid pump and the air supply fan through wires.

[0008] In a further embodiment, an operation nameplate is fixedly connected to the front side of the support plate, and the operation nameplate is located in the middle of the support plate.

[0009] In a further embodiment, push handles are fixedly connected to the left and right side surfaces of the support plate, and an anti-slip sleeve is fixedly connected to the outer surface of each push handle.

[0010] In a further embodiment, the input end of the blower is fixedly connected to a dust cover.

[0011] In a further embodiment, a bearing is fixedly embedded on the upper surface of the chromium oxide liquid barrel, a servo motor is installed on the upper surface of the chromium oxide liquid barrel, an output end of the servo motor is fixedly connected to a rotating shaft, and a bottom end of the rotating shaft is fixedly connected to a ring-arranged stirring rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] This device can realize the atomization dispersion of chromium oxide materials and the co-flow of hot air through the arranged drying cylinder, high-speed centrifugal atomizer, chromium oxide liquid barrel, liquid pump, discharge pipe, spiral air distributor, air heater, high-efficiency filter and blower, which is convenient for the effective drying treatment of chromium oxide materials. The arranged cyclone separator, return air pipe and air supply pipe can separate the dried chromium oxide product and waste gas, and realize the reflux and reuse of high-temperature waste gas, which is convenient for the energy-saving use of this spray drying device. The arranged movable bracket, movable wheels, push handle and anti-slip sleeve can make it more convenient for the staff to push the movable bracket to move, which is convenient for the removal and transportation of this spray drying device, and effectively increases the convenience of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a pollution-free energy-saving spray dryer.

[0015] Figure 2 The figure is a schematic diagram of the internal dissection structure of the drying cylinder in a pollution-free energy-saving spray dryer.

[0016] Figure 3 The figure is a bottom view of a movable support in a pollution-free energy-saving spray dryer.

[0017] Figure 4 The figure is a rear view of a drying cylinder in a pollution-free, energy-saving spray dryer.

[0018] In the figure: 1. Mobile bracket; 2. Mobile wheel; 3. Column; 4. Chromium oxide liquid barrel; 5. Support plate; 6. Operation nameplate; 7. Bearing; 8. Servo motor; 9. Liquid pump; 10. Liquid regulator; 11. Discharge pipe; 12. Drying cylinder; 13. High-speed centrifugal atomizer; 14. Spiral air distributor; 15. Air heater; 16. High-efficiency filter; 17. Blower; 18. Dust cover; 19. Push handle; 20. Anti-slip cover; 21. Air pipe; 22. Control panel; 23. Return air pipe; 24. Collecting bottle; 25. Cyclone separator; 26. Rotating shaft; 27. Extraction pipe; 28. Stirring rod; 29. ​​Through port. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4In the utility model, a pollution-free energy-saving spray dryer comprises a mobile support 1, the bottom surface of the mobile support 1 is fixedly connected with two moving wheels 2, and the moving wheels 2 are convenient for the staff to move the spray drying device, the upper surface of the mobile support 1 is fixedly connected with two groups of columns 3, and the top ends of the two groups of columns 3 are fixedly connected with a support plate 5, the upper surface of the support plate 5 is fixedly inlaid with a drying cylinder 12 and a chromium oxide liquid barrel 4, the upper surface of the drying cylinder 12 is fixedly inlaid with a high-speed centrifugal atomizer 13, which can atomize and separate the chromium oxide liquid, which is convenient for subsequent effective drying treatment, the inner top wall of the drying cylinder 12 is fixedly inlaid with a spiral air distributor 14, which can evenly spray high-temperature air, which is convenient for effective contact with the atomized chromium oxide liquid, the upper surface of the support plate 5 is fixedly connected with a blower 17, the right side of the drying cylinder 12 is fixedly connected with an air heater 15, the input end of the air heater 15 is fixedly connected with a high-efficiency filter 16, the output end of the blower 17 is fixedly connected with an air supply pipe 21, and the output of the air supply pipe 21 The end is fixedly connected to the input end of the high-efficiency filter 16, the input end of the spiral air distributor 14 passes through the drying cylinder 12 and is fixedly connected to the output end of the air heater 15, the upper surface of the chromium oxide liquid barrel 4 is fixedly connected to the liquid pump 9, the input end of the liquid pump 9 is fixedly connected to the extraction pipe 27, the input end of the extraction pipe 27 passes through the chromium oxide liquid barrel 4 and extends to the inside of the chromium oxide liquid barrel 4, the output end of the liquid pump 9 is fixedly connected to the discharge pipe 11, and the outer surface of the discharge pipe 11 is fixedly connected to the liquid regulator 10, which can The flow rate and pressure of the chromium oxide material liquid can be adjusted to facilitate the subsequent atomization operation of the chromium oxide material liquid. The output end of the discharge pipe 11 is fixedly connected to the input end of the high-speed centrifugal atomizer 13. The bottom end of the drying cylinder 12 is fixedly connected to a cyclone separator 25. A collecting bottle 24 is installed at the bottom end of the cyclone separator 25. The output end of the cyclone separator 25 is fixedly connected to a return air pipe 23. A through hole 29 is opened on the upper surface of the support plate 5. The output end of the return air pipe 23 passes through the through hole 29 and is fixedly connected to the bottom surface of the air supply pipe 21.

[0021] A control panel 22 is fixedly connected to the front of one of the two groups of columns 3. The control panel 22 is electrically connected to the liquid pump 9 and the blower 17 through wires, which enables the staff to control the spray drying device more conveniently and facilitates the drying treatment operation of the chromium oxide liquid. An operation nameplate 6 is fixedly connected to the front of the support plate 5. The operation nameplate 6 is located in the middle of the support plate 5 and can explain the operating process of the device to facilitate the staff to operate and use the device. Push handles 19 are fixedly connected to the left and right sides of the support plate 5. The outer surface of each push handle 19 is fixedly connected to an anti-slip sleeve 20, which enables the staff to push the mobile bracket 1 to move more conveniently, thereby increasing the convenience of the device.

[0022] The input end of the blower 17 is fixedly connected to a dust cover 18, which can filter the external air and effectively increase the cleanliness of the air. The upper surface of the chromium oxide liquid barrel 4 is fixedly inlaid with a bearing 7, and the upper surface of the chromium oxide liquid barrel 4 is installed with a servo motor 8. The output end of the servo motor 8 is fixedly connected to a rotating shaft 26, and the bottom end of the rotating shaft 26 is fixedly connected to a ring-arranged stirring rod 28, which can make the servo motor 8 work to drive the rotating shaft 26 and the stirring rod 28 to rotate, so as to facilitate the stirring of the chromium oxide liquid.

[0023] The working principle of the utility model is:

[0024] When in use, the staff first holds the push handle 19 to push the moving wheel 2 to rotate, pushes the spray drying device to the designated working position, and locks it, then supplies power, injects the chromium oxide material liquid into the chromium oxide material liquid barrel 4 through the injection port, and makes the servo motor 8 work to drive the rotating shaft 26 and the stirring rod 28 to rotate to stir the chromium oxide material, then clicks the control panel 22 to make the liquid pump 9 work to suck the chromium oxide material through the extraction pipe 27, and injects it into the high-speed centrifugal atomizer 13 through the discharge pipe 11, and sprays the chromium oxide material liquid into liquid droplets, and at the same time , the blower 17 draws the external air, and the air is filtered and heated by the high-efficiency filter 16 and the air heater 15, so that the high-temperature air is evenly sprayed out through the spiral air distributor 14, and flows parallel to the mist-like chromium oxide material, so as to realize the high-temperature drying treatment of the chromium oxide material. The finished product will be continuously output from the cyclone separator 25 at the bottom of the drying cylinder 12 and fall into the collecting bottle 24 for collection, while the high-temperature exhaust gas will flow back to the inside of the air supply pipe 21 through the return pipe 23, so as to realize the waste heat utilization inside the exhaust gas, effectively save the heat resources, and realize the energy-saving use of this spray dryer.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pollution-free energy-saving spray dryer, characterized in that: The invention comprises a movable support (1), wherein the bottom surface of the movable support (1) is fixedly connected to two movable wheels (2), the upper surface of the movable support (1) is fixedly connected to two groups of upright posts (3), the top ends of the two groups of upright posts (3) are commonly fixedly connected to a support plate (5), the upper surface of the support plate (5) is fixedly inlaid with a drying cylinder (12) and a chromium oxide liquid barrel (4), the upper surface of the drying cylinder (12) is fixedly inlaid with a high-speed centrifugal atomizer (13), and the inner top wall of the drying cylinder (12) is fixedly inlaid with a screw. The spiral air distributor (14) is fixedly connected to the upper surface of the support plate (5), the right side of the drying cylinder (12) is fixedly connected to an air heater (15), the input end of the air heater (15) is fixedly connected to a high-efficiency filter (16), the output end of the air distributor (17) is fixedly connected to an air supply pipe (21), the output end of the air supply pipe (21) is fixedly connected to the input end of the high-efficiency filter (16), and the input end of the spiral air distributor (14) passes through the drying cylinder (12). The cylinder (12) is fixedly connected to the output end of the air heater (15); the upper surface of the chromium oxide liquid barrel (4) is fixedly connected to a liquid pump (9); the input end of the liquid pump (9) is fixedly connected to a pumping pipe (27); the input end of the pumping pipe (27) passes through the chromium oxide liquid barrel (4) and extends to the interior of the chromium oxide liquid barrel (4); the output end of the liquid pump (9) is fixedly connected to a discharge pipe (11); the outer surface of the discharge pipe (11) is fixedly connected to a liquid regulator (10); The output end of the discharge pipe (11) is fixedly connected to the input end of the high-speed centrifugal atomizer (13); the bottom end of the drying cylinder (12) is fixedly connected to a cyclone separator (25); a collecting bottle (24) is installed at the bottom end of the cyclone separator (25); the output end of the cyclone separator (25) is fixedly connected to an air return pipe (23); a through hole (29) is formed on the upper surface of the support plate (5); the output end of the air return pipe (23) passes through the through hole (29) and is fixedly connected to the bottom surface of the air supply pipe (21).

2. The pollution-free energy-saving spray dryer according to claim 1, characterized in that: A control panel (22) is fixedly connected to the front of one of the two groups of uprights (3), and the control panel (22) is electrically connected to the liquid feed pump (9) and the air blower (17) via a wire.

3. The pollution-free energy-saving spray dryer according to claim 1, characterized in that: An operation nameplate (6) is fixedly connected to the front of the support plate (5), and the operation nameplate (6) is located in the middle of the support plate (5).

4. The pollution-free energy-saving spray dryer according to claim 1, characterized in that: The left and right side surfaces of the support plate (5) are fixedly connected with push handles (19), and the outer surface of each push handle (19) is fixedly connected with an anti-slip sleeve (20).

5. The pollution-free energy-saving spray dryer according to claim 1, characterized in that: The input end of the air blower (17) is fixedly connected to a dust cover (18).

6. The pollution-free energy-saving spray dryer according to claim 1, characterized in that: A bearing (7) is fixedly embedded on the upper surface of the chromium oxide liquid barrel (4), a servo motor (8) is installed on the upper surface of the chromium oxide liquid barrel (4), an output end of the servo motor (8) is fixedly connected to a rotating shaft (26), and a bottom end of the rotating shaft (26) is fixedly connected to stirring rods (28) arranged in a ring.

Images