Efficient and uniform air inlet device of boiling dryer
By using a solid heat storage device and a mixing air duct to regulate the temperature in a fluidized bed dryer, the problem of high energy consumption in existing technologies is solved, achieving low-cost and high-efficiency drying, and simplifying the filter replacement process.
Patent Information
- Application Number
- CN202520482601.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing fluidized bed dryers consume a lot of energy when heating air, resulting in high production costs.
A solid heat storage device is used as a heat source to heat the air in the air inlet duct. It stores heat energy during off-peak electricity hours and releases it during peak hours. The temperature is regulated by the mixed air duct, and the filter design makes it easy to replace the filter element.
It reduces energy costs, enables effective temperature regulation and rapid filter replacement, and improves the operating efficiency and economy of the equipment.
Smart Images

Figure CN223896525U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dry equipment technical field, concretely relates to a high -efficient even's boiling drying machine air inlet device. BACKGROUND
[0002] Boiling drying machine is utilize air after heat exchanger heating, form hot air and enter host computer through valve plate distribution, wet material enters drying machine from feeder, due to the action of air pressure, material forms boiling state in drying machine, and widely contacts with hot air, thereby completes material drying in shorter time. The existing boiling drying machine adopts heating device to heat air, and the energy consumption is high, and the production cost is high. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the above problem, the utility model provides a kind of high -efficient even's boiling drying machine air inlet device, reduce production cost.
[0004] The technical scheme of the utility model is as follows: a kind of high -efficient even's boiling drying machine air inlet device, including hot air chamber and the air inlet pipe connected with hot air chamber;The air inlet pipe is connected with primary filter, solid heat storage device and secondary filter;The solid heat storage device is arranged between primary filter and the secondary filter;The secondary filter is connected with the air inlet of hot air chamber.
[0005] Further, the solid heat storage device includes a housing and a heat storage body disposed within the housing;The bottom of the side of the housing is provided with a low-temperature air inlet, and the top is provided with a high-temperature air outlet;The low-temperature air inlet is connected with the primary filter;The high-temperature air outlet is connected with the secondary filter;The heat storage body is arranged in the middle of the housing, and an air duct is arranged between the heat storage body and the inner wall of the housing;The heat storage body includes a heat storage brick wrapped with heating wires.
[0006] Further, the high-temperature air outlet of the solid heat storage device is also connected with a mixed air pipe;The mixed air pipe is connected with the air outlet pipe of the boiling drying machine;The mixed air pipe is provided with an air volume regulating valve.
[0007] Further, the high-temperature air outlet is provided with a temperature sensor, which is connected with a PLC controller;The PLC controller is connected with the air volume regulating valve.
[0008] Further, the air outlet pipe is also connected with an air return pipe, and the air return pipe is connected with the inlet of the primary filter.
[0009] Further, the primary filter and the secondary filter are detachable filters; the left shell, the right shell and the middle detachable shell are provided; the filter core is installed in the middle detachable shell; the annular butt joint groove is arranged at the end of the left shell and the right shell connected with the middle detachable shell; the annular butt joint body matched with the annular butt joint groove is arranged at the end of the middle detachable shell; the sealing ring is installed in the annular butt joint groove and on the annular butt joint body; the connecting ring is rotatably installed at the two ends of the middle detachable shell; the connecting ring is arranged outside the middle detachable shell; the inner thread section is arranged; the outer thread end is arranged at the end of the left shell and the right shell connected with the middle detachable shell; the connecting ring is screwed with the left shell and the right shell; the left shell or the right shell comprises the straight pipe section at the two ends and the corrugated pipe section at the middle.
[0010] Further, the filter core is fixed on the filter core frame; the sliding groove is arranged on the side wall of the middle detachable shell; the sliding block matched with the sliding groove is arranged outside the filter core frame.
[0011] The beneficial effects of the utility model are as follows:
[0012] 1) The utility model adopts the solid heat storage device as the heat source to heat the air in the air inlet pipe, and the structure is simple, the heat energy is stored in the low valley electricity price period (such as night), and is released in the peak period, so that the energy use cost is reduced.
[0013] 2) The utility model adjusts the temperature of the high-temperature gas through the setting of the mixed air pipe, so that the temperature is not too high.
[0014] 3) The filter device of the embodiment adopts the modular design, and the filter core can be quickly replaced. DRAWINGS
[0015] The utility model will be further described below in combination with the drawings and embodiments.
[0016] Figure 1 It is the structural schematic view of embodiment 1.
[0017] Figure 2 It is the schematic view of the solid heat storage device.
[0018] Figure 3 It is the structural schematic view of the filter.
[0019] Figure 4 It is the structural schematic view of embodiment 2.
[0020] Figure 5 It is the structural schematic view of embodiment 3. CONCRETE EMBODIMENT
[0021] The technical scheme of the utility model will be clearly and completely described below through the concrete embodiment.
[0022] Reference Figures 1-3 The utility model discloses a kind of efficient uniform boiling drying machine air inlet devices, including hot air chamber 1 and the air inlet pipe 2 of connecting hot air chamber 1;Air inlet pipe 2 is connected with primary filter 3, solid heat storage device 4 and secondary filter 5;Solid heat storage device 4 is arranged between primary filter 3 and the secondary filter 5;Secondary filter 5 is connected with the air inlet of hot air chamber 1.
[0023] The air of this embodiment enters from air inlet pipe first, is filtered after primary filter 3, enters solid heat storage device 4, heats the air of air inlet pipe, and then is filtered after secondary filter 5, enters hot air chamber 1 to dry material.
[0024] In the embodiment, solid heat storage device 4 includes shell 41 and heat storage body 42 arranged in shell 41;One side of the shell 41 is provided with low-temperature air inlet 44 at the bottom and high-temperature air outlet 43 at the top;The low-temperature air inlet 44 is connected with the primary filter 3;The high-temperature air outlet 43 is connected with the secondary filter 5;The heat storage body 42 is arranged in the middle of the shell 41, and an air duct 44 is arranged between the heat storage body 42 and the inner wall of the shell 41;Specifically, the heat storage body 42 is provided with air ducts on both sides, and a partition plate is arranged in the middle of the air duct on one side of the low-temperature air inlet 44 and the high-temperature air outlet 43, air enters from the low-temperature air inlet 44, enters the heat storage body 42 through the air duct, and is heated by the heat storage body, and then is discharged from the high-temperature air outlet 43.
[0025] In the embodiment, the heat storage body 42 includes heating wires wrapped on heat storage bricks;The heating wires are powered to heat the heat storage bricks and store heat energy. The solid heat storage device is used as a heat source to heat the air in the air inlet pipe, which is simple in structure and can store heat energy during off-peak hours (such as at night) and release the heat energy during peak hours, thereby reducing energy consumption cost.
[0026] The primary filter 3 and the secondary filter 5 of the embodiment are detachable filters;The primary filter 3 and the secondary filter 5 each include a left shell 31, a right shell 32 and a middle detachable shell 33;A filter core 34 is installed in the middle detachable shell 33;An annular butt joint groove 35 is arranged at one end of the left shell 31 and the right shell 32 connected with the middle detachable shell 33;An annular butt joint body 36 matched with the annular butt joint groove 35 is arranged at the end of the middle detachable shell 33;A sealing ring 37 is installed in the annular butt joint groove 35 and on the annular butt joint body 36;A connecting ring 38 is rotatably installed at both ends of the middle detachable shell 33;The connecting ring 38 is located outside the periphery of the middle detachable shell 33;An internally threaded section is arranged;An externally threaded end is arranged at one end of the left shell 31 and the right shell 32 connected with the middle detachable shell 33, and the connecting ring 38 is screwed with the left shell 31 and the right shell 32;The left shell 31 or the right shell 32 includes two straight pipe sections 311 at both ends and a corrugated pipe section 312 in the middle.
[0027] The filter core 34 is fixed on the filter core frame; the side wall of the middle detachable shell 33 is provided with a sliding groove, and the outer portion of the filter core frame is provided with a sliding block matched with the sliding groove.
[0028] The filter of the embodiment is of a detachable structure, and the filter core is convenient to replace.
[0029] Embodiment 2
[0030] As shown in Figure 4 The high-temperature air outlet 43 of the solid heat storage device 4 is further connected with a mixed air pipe 47; the mixed air pipe 47 is connected with the air outlet pipe 6 of the boiling dryer; the mixed air pipe 47 is provided with an air volume adjusting valve 46.
[0031] The embodiment is provided with a temperature sensor at the high-temperature air outlet, which is connected with a PLC controller; the PLC controller is connected with the air volume adjusting valve 46.
[0032] The embodiment detects the hot air temperature of the high-temperature air outlet through the temperature sensor; when the temperature is too high, the opening of the air volume adjusting valve 46 is adjusted to be larger, and the low-temperature air of the air outlet pipe is mixed to adjust the temperature.
[0033] Preferably, a heating module can also be arranged behind the second filter; when the temperature of the high-temperature air outlet is low, the heating module is started.
[0034] Embodiment 3
[0035] The embodiment is based on the embodiment 1, and the air outlet pipe 6 is further connected with an air return pipe 7, which is connected with the inlet of the first filter 3.
[0036] The embodiment is provided with the air return pipe, and the waste heat can be recycled.
[0037] The above is only a preferred embodiment of the present application, and is not used to limit the present application; those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the technical scheme of the present application.
Claims
1. A highly efficient and uniform air inlet device for a fluidized bed dryer, characterized in that: It includes a hot air chamber (1) and an air inlet pipe (2) connected to the hot air chamber (1); a primary filter (3), a solid heat storage device (4) and a secondary filter (5) are connected to the air inlet pipe (2); the solid heat storage device (4) is located between the primary filter (3) and the secondary filter (5); the secondary filter (5) is connected to the air inlet of the hot air chamber (1).
2. The efficient and uniform air inlet device for a fluidized bed dryer according to claim 1, characterized in that: The solid heat storage device (4) includes a shell (41) and a heat storage body (42) disposed inside the shell (41); a low-temperature air inlet (44) is provided at the bottom of one side of the shell (41), and a high-temperature air outlet (43) is provided at the top; the low-temperature air inlet (44) is connected to a primary filter (3); the high-temperature air outlet (43) is connected to a secondary filter (5); the heat storage body (42) is disposed in the middle of the shell (41), and an air duct (45) is provided between the heat storage body (42) and the inner wall of the shell (41); the heat storage body (42) includes a heat storage brick wrapped with a heating wire.
3. The efficient and uniform air inlet device for a fluidized bed dryer according to claim 1, characterized in that: The high-temperature air outlet (43) of the solid heat storage device (4) is also connected to a mixing air duct (47); the mixing air duct (47) is connected to the air outlet duct (6) of the boiling dryer; and an air volume regulating valve (46) is provided on the mixing air duct (47).
4. The efficient and uniform air inlet device for a fluidized bed dryer according to claim 3, characterized in that: The high-temperature air outlet is equipped with a temperature sensor, which is connected to the PLC controller; the PLC controller is connected to the air volume regulating valve (46).
5. The efficient and uniform air inlet device for a fluidized bed dryer according to claim 3, characterized in that: The air outlet pipe (6) is also connected to a return air pipe (7), which is connected to the inlet of the primary filter (3).
6. The efficient and uniform air inlet device for a fluidized bed dryer according to claim 1, characterized in that: The primary filter (3) and the secondary filter (5) are both detachable filters; they include a left housing (31), a right housing (32), and a middle detachable housing (33); a filter element (34) is installed inside the middle detachable housing (33); an annular docking groove (35) is provided at one end of the left housing (31) and the right housing (32) that connects to the middle detachable housing (33); an annular docking body (36) matching the annular docking groove (35) is provided at the end of the middle detachable housing (33); the annular docking groove (35) and the annular docking body (36) are provided inside the annular docking groove (35) and the annular docking body (36) 36) All are equipped with sealing rings (37); the two ends of the middle detachable housing (33) are rotatably installed with connecting rings (38); the connecting rings (38) are located on the outer periphery of the middle detachable housing (33); and are provided with internal thread sections; the ends of the left housing (31) and right housing (32) connected to the middle detachable housing (33) are provided with external thread ends, and the connecting rings (38) are screwed to the left housing (31) and right housing (32); the left housing (31) or right housing (32) includes straight pipe sections (311) at both ends and a corrugated pipe section (312) in the middle.
7. The efficient and uniform air inlet device for a fluidized bed dryer according to claim 6, characterized in that: The filter element (34) is fixed on the filter element frame; the side wall of the middle detachable housing (33) is provided with a sliding groove, and the outside of the filter element frame is provided with a slider that matches the sliding groove.