A vibrating fluidized bed dryer

Abstract

The present invention discloses a vibrating fluidized bed dryer, comprising an upper bed and a lower bed, wherein the top of the upper bed is provided with an integrated exhaust device, the side of the lower bed is provided with an integrated air intake device, one end of the lower bed is provided with a feed port, the other end is provided with a discharge port, and a microwave water measuring device is provided at the discharge port, and both sides of the lower bed are provided with vibration motors, a shock-absorbing base is provided on the lower bed, and the lower bed is fixed on the ground through the shock-absorbing base. The beneficial effects of the present invention are: 1) The front and rear end air treatment of the vibrating fluidized bed is relatively simple and reliable, easy to operate, energy-saving and environmentally friendly; 2) The vibrating fluidized bed adds the function of auxiliary vibration of materials during the drying process, the lower bed has uniform heat transfer and uniform fluidization, and a uniform dried and cooled product can be obtained, with high thermal efficiency and good energy-saving effect, which can save 30%-60% energy compared with general drying devices.

Description

Technical Field

[0001] The invention relates to the technical field of food, medicine and chemical drying equipment, and in particular to a vibrating fluidized bed dryer. Background Art

[0002] In the fields of food, medicine and chemical industry, drying usually refers to heating wet solid materials to evaporate and remove the water or solvent contained in them. my country's modern drying technology has gradually developed since the 1960s. So far, the commonly used drying equipment includes airflow drying, spray drying, rotary flash drying, infrared drying, microwave drying, freeze drying, boiling drying and other equipment; these drying technologies have been widely used, but these equipment have the disadvantages of uneven heat transfer, low heat exchange efficiency, high equipment energy consumption, high noise, high production and maintenance costs, and generally low output and drying efficiency, which is not conducive to large-scale continuous production; therefore, there is still room for improvement in industrial application.

[0003] Fluidized bed drying is a kind of modern drying technology. It is a drying technology developed in the 1960s. It has been widely used in chemical industry, light industry, medicine, food and building materials. The output of existing drying equipment is generally low, which is not suitable for large-scale continuous production; and the equipment is high, and subsequent maintenance is difficult and expensive. In the application of food and pharmaceutical industry, traditional drying equipment generally has high energy consumption, high noise, and poor treatment effect on rear-end particle dust; traditional equipment has uneven heat transfer, poor heat exchange effect, large heat energy loss, insufficient material drying, resulting in low drying efficiency. These are sometimes inconspicuous defects, but they have a certain impact on production and equipment life. Summary of the invention

[0004] In order to solve the problems existing in the prior art, the present invention provides a vibrating fluidized bed dryer with a reasonable structural design.

[0005] The technical solution of the present invention is as follows:

[0006] A vibrating fluidized bed dryer, characterized in that it comprises an upper bed and a lower bed, the top of the upper bed is provided with an integrated exhaust device, the side of the lower bed is provided with an integrated air intake device, one end of the lower bed is provided with a feed port, the other end is provided with a discharge port, and a microwave water measuring device is provided at the discharge port, vibration motors are respectively provided on both sides of the lower bed, and a shock-absorbing base is provided on the lower bed, and the lower bed is fixed to the ground through the shock-absorbing base.

[0007] The vibrating fluidized bed dryer is characterized in that the integrated air intake device includes an integrated air source and an integrated air intake pipe, the integrated air intake pipe includes a heating pipe and a cooling pipe, the heating pipe is provided with an electric butterfly valve, and the opening of the heating pipe is controlled by the electric butterfly valve; the ends of the heating pipe and the cooling pipe are respectively provided with air source soft connections, and are connected to the lower bed body through the air source soft connections.

[0008] The vibrating fluidized bed dryer is characterized in that the integrated exhaust device includes a main exhaust pipe, a cyclone separator, an exhaust duct and a bag dust collector. The main exhaust pipe is arranged on the top of the upper bed body and is connected to the upper bed body. The main exhaust pipe is connected to the cyclone separator through an exhaust flexible connection, and the cyclone separator is connected to the bag dust collector through an exhaust duct.

[0009] The vibrating fluidized bed dryer is characterized in that a fixed frame is provided below the discharge port, the microwave water measuring device is arranged on the fixed frame, the microwave water measuring device includes a microwave water measuring instrument, a test chamber, a feed chamber and a rotating cylinder, the test chamber and the feed chamber are separated by a partition, a test chamber baffle plate is provided at the bottom of the test chamber, and the test chamber baffle plate is connected to the rotating cylinder through a connecting arm.

[0010] The vibrating fluidized bed dryer is characterized in that an automatic flipping device is provided on the upper bed body, and the automatic flipping device includes a flipping seat, a flipping bracket and an electric push rod. The flipping bracket is fixedly connected to the lower bed body, and the bottom end of the electric push rod is movably arranged on the flipping seat. The top end of the electric push rod is provided with a hinged seat and is movably connected to the upper bed body through the hinged seat.

[0011] The vibrating fluidized bed dryer is characterized in that an online cleaning device is provided on the upper bed body, and the online cleaning device includes a cleaning main pipeline and a cleaning branch pipeline arranged on the cleaning main pipeline, and spray holes are respectively provided on the cleaning main pipeline and the cleaning branch pipeline.

[0012] The vibrating fluidized bed dryer is characterized in that a sewage discharge pipe is provided on the lower bed body.

[0013] The vibrating fluidized bed dryer is characterized in that an inflatable sealing ring is provided at the edge of the opening on the lower bed body, an air nozzle is provided on the inflatable sealing ring, and the lower bed body and the upper bed body are sealed by the inflatable sealing ring.

[0014] The vibrating fluidized bed dryer is characterized in that a manhole sight glass with a brush is provided on the upper bed body.

[0015] The vibrating fluidized bed dryer is characterized in that an online temperature monitoring device is installed on the side of the upper bed body.

[0016] The beneficial effects of the present invention are:

[0017] 1) The front and rear air treatment of the vibrating fluidized bed is relatively simple and reliable, easy to operate, energy-saving and environmentally friendly;

[0018] 2) The vibrating fluidized bed adds the function of material auxiliary vibration during the drying process. The lower bed body has uniform heat transfer and fluidization, which can obtain uniform drying and cooling products. It has high thermal efficiency and good energy-saving effect, and can save 30%-60% energy compared with general drying devices;

[0019] 3) The vibrating fluidized bed equipment has a large output and is suitable for large-scale continuous production. The equipment runs smoothly, is easy to maintain, has low noise and long service life. The whole machine adopts a fully enclosed structure and the working environment is clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0021] Figure 2 It is the installation diagram of the automatic turning device of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the automatic flipping device of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the integrated air intake device of the present invention;

[0024] Figure 5 It is the installation diagram of the microwave water measuring device of the present invention;

[0025] Figure 6 It is a schematic structural diagram of the microwave water measuring device of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the inflatable sealing ring of the present invention;

[0027] Figure 8 It is a partial enlarged view of the inflatable sealing ring of the present invention;

[0028] Fig. 9 It is a schematic diagram of the structure of the integrated exhaust device of the present invention;

[0029] Fig.10 It is a structural schematic diagram of the online cleaning device of the present invention;

[0030] In the figure: 1-feeding port, 2-upper bed, 3-lower bed, 4-shock-absorbing base, 5-vibration motor, 6-manhole sight glass with brush, 7-drain pipe, 8-discharge port, 9-electric butterfly valve, 10-integrated air inlet pipe, 11-integrated air source, 12-online cleaning device, 13-online temperature monitoring device, 15-automatic turning device, 16-inflatable sealing ring, 17-microwave water measuring device, 18-fixed frame, 19-main exhaust pipe, 20-cyclone separator, 21-exhaust pipe, 22-bag dust collector. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] like Figure 1-10 As shown, a vibrating fluidized bed dryer includes a feed inlet 1, an upper bed body 2, a lower bed body 3, a shock-absorbing base 4, a vibration motor 5, a manhole sight glass with a brush 6, a sewage pipe 7, a discharge port 8, an electric butterfly valve 9, an integrated air intake pipe 10, an integrated air source 11, an online cleaning device 12, an online temperature monitoring device 13, an automatic turning device 15, an inflatable sealing ring 16, a microwave water measuring device 17, a fixing frame 18, a main exhaust pipe 19, a cyclone separator 20, an exhaust pipe 21 and a bag dust collector 22.

[0033] The upper bed body 2 and the lower bed body 3 are consistent in size and shape, and the upper bed body 2 covers the lower bed body 3 to form a fully enclosed structure.

[0034] An integrated exhaust device is provided on the top of the upper bed body 2, and the integrated exhaust device includes a main exhaust pipe 19, a cyclone separator 20, an exhaust duct 21 and a bag dust collector 22. The main exhaust pipe 19 is arranged on the top of the upper bed body 2 and is connected to the upper bed body 2. The main exhaust pipe 19 is connected to the cyclone separator 20 through an exhaust flexible connection 1901, and the cyclone separator 20 is connected to the bag dust collector 22 through the exhaust duct 21; an exhaust port is provided on the top of the upper bed body 2, and is connected to the main exhaust pipe 19 through the exhaust port. The exhaust gas inside the upper bed body 2 is discharged after passing through the main exhaust pipe 19, the cyclone separator 20, the exhaust duct 21 and the bag dust collector 22.

[0035] An integrated air intake device is provided on the side of the lower bed body 3, and the integrated air intake device includes an integrated air source 11 and an integrated air intake pipe 10. The integrated air source 11 adopts an air handling unit provided by Shanghai Jida Air Conditioning, model JDCH-S-5500-C-SH; the integrated air intake pipe 10 includes a heating pipe 1001 and a cooling pipe 1003, and the heating pipe 1001 and the cooling pipe 1003 are respectively connected to the heating port and the cooling port of the air handling unit; an electric butterfly valve 9 is provided on the heating pipe 1001, and the opening of the heating pipe 1001 is controlled by the electric butterfly valve 9; the ends of the heating pipe 1001 and the cooling pipe 1003 are respectively provided with air source soft connections 1002, and are connected to the lower bed body 3 through the air source soft connection 1002.

[0036] A feed port 1 is provided at one end of the lower bed 3, and a discharge port 8 is provided at the other end. Vibration motors 5 are provided on both sides of the lower bed 3. The material enters from the feed port 1, and the vibration motor 5 drives the lower bed 3 to vibrate, so that the material is thrown along the horizontal fluidized bed, moves forward continuously, and is discharged from the discharge port 8.

[0037] A fixing frame 18 is provided below the discharge port 8, and a microwave water measuring device 17 is arranged on the fixing frame 18 and docked with the discharge port 8. The microwave water measuring device 17 is data-connected to the PLC control device, and the opening of the electric butterfly valve 9 on the integrated air intake pipe 10 can be adjusted through the PLC control device, thereby controlling the amount of heat; the microwave water measuring device 17 includes a microwave water measuring instrument 1701, a test chamber 1702, a material discharge chamber 1703 and a rotating cylinder 1704, the test chamber 1702 and the material discharge chamber 1703 are separated by a partition 1707, and a test chamber baffle plate is provided at the bottom of the test chamber 1707 1705, the test bin baffle plate 1705 is connected to the rotating cylinder 1704 through the connecting arm 1706. When discharging, the material falls into the test chamber 1702 and the unloading chamber 1703 from the discharge port 8. Since the test bin baffle plate 1705 is provided at the bottom of the test chamber 1702, the material in the test chamber 1702 is continuously accumulated. When the material accumulates to a certain height, the microwave water meter 1701 is triggered. The microwave water meter 1701 starts to measure and transmits the measured data to the PLC control system. At the same time, the test bin baffle plate 1705 rotates downward under the action of the rotating cylinder 1704 to open the test chamber 1702.

[0038] An automatic flipping device is provided on the upper bed body 2, and the automatic flipping device includes a flip seat 1502, a flip bracket 1501 and an electric push rod 1503. The flip bracket 1501 is fixedly connected to the lower bed body 3. The bottom end of the electric push rod 1503 is movably set on the flip seat 1502. The top end of the electric push rod 1503 is provided with a hinge seat 1504, and is movably connected to the upper bed body 2 through the hinge seat 1504. The electric push rod 1503 can be telescopically controlled, so that the upper bed body 2 can be opened and closed on one side of the lower bed body 3.

[0039] The upper bed body 2 is provided with an online cleaning device 1, which includes a cleaning main pipeline 101 and a cleaning branch pipeline 102 arranged on the cleaning main pipeline 101. The cleaning main pipeline 101 and the cleaning branch pipeline 102 are respectively provided with spray holes. The cleaning main pipeline 101 and the cleaning branch pipeline 102 are respectively installed on the inner wall of the upper bed body 2 through pipe clamps, and the cleaning main pipeline 101 is connected to the external water source. The lower bed body 3 is provided with a sewage pipe 7 for discharging the sewage and condensed water after cleaning to ensure the dryness of the lower bed body 3.

[0040] There is a sealing ring installation groove at the edge of the opening on the lower bed body 3, and an inflatable sealing ring 16 is provided in the sealing ring installation groove. The inflatable sealing ring 16 is provided with an air nozzle 1601. When the upper bed body 2 and the lower bed body 3 are sealed, air is inflated in the air nozzle 1601 to fill the gap between the upper bed body 2 and the lower bed body 3.

[0041] The upper bed body 2 is provided with a manhole sight glass 6 with a brush to facilitate internal observation by the staff. An online temperature monitoring device 13 is installed on the side of the upper bed body 2. The online temperature monitoring device 13 uses a temperature sensor and is connected to the wall of the upper bed body 2 through threads to monitor the internal temperature changes of the upper bed body 2 in real time.

[0042] A shock-absorbing base 4 is provided on the lower bed body 3 and fixed on the ground through the shock-absorbing base 4. The shock-absorbing base 4 is composed of a spring and a base, which can control the vibration amplitude of the lower bed body 3 and reduce noise during the vibration process.

[0043] The upper bed body 2 and the lower bed body 3 of the present invention are inflated and sealed, and the sealing is reliable. The lower bed body 3 is installed on the shock-absorbing base 4 to avoid large-scale vibration and noise. During the drying process, the powder or granular material is loaded into the barrel and installed on the feed port 1 through the lifting mechanism. The material enters the lower bed body 3 from the feed port 1, and the vibration motor 5 is started to drive the lower bed body 3 to vibrate. Under the action of the vibration force, the material is thrown along the horizontal fluidized bed and moves forward continuously. Three manhole sight glasses 6 with brushes are provided on the upper bed body 2, and the material state inside the equipment can be observed at any time during work, so as to realize visual online solution of production problems; the external air is filtered and heated by the integrated air source 11, and the clean hot air enters the lower bed body 3 through the integrated air intake pipe 10. An electric butterfly valve 9 is provided between the integrated air intake pipe 10 and the lower bed body 3, which can automatically control the air intake flow and pressure of the air heat source online to realize effective control of the drying rate. After the hot air passes through the fluidized bed upward and exchanges heat with the wet material, the wet air passes through the cyclone After dust removal, the separator is discharged by the integrated exhaust device, and the dried material is discharged from the discharge port 8. Since the discharge port 8 is provided with a microwave water measuring device 17, the moisture content of the dried material can be detected at the same time when discharging, and then fed back to the PLC control system for adjustment, thereby forming a closed-loop control; after the equipment is produced, it is cleaned by the online cleaning device 1, and the sewage is discharged through the sewage pipe 7; the vibrating fluidized bed of the present invention has simple and reliable air treatment at the front and rear ends, is easy to operate, and is energy-saving and environmentally friendly; the material is heated evenly, the heat exchange is sufficient, the drying intensity is high, and a uniform dried and cooled product can be obtained; the material surface is less damaged, and it can be used for drying fragile materials, and the irregular material particles do not affect the working effect; the energy-saving effect is good, and energy saving can be 30%-60% compared with the general drying device; the equipment has a large output and is suitable for large-scale continuous production; the equipment runs smoothly, is easy to maintain, has low noise and a long service life; an inflatable sealing structure is adopted, the sealing effect is good, and the working environment is clean. The present invention can realize online cleaning, is simple to operate, has good cleaning effect, and solves the cleaning problem of traditional drying equipment; the equipment adopts an automatic turning device to reduce the workload of operators; the present invention can monitor the moisture content of the material online, and through the feedback of the PLC control system, the electric butterfly valve 9, and the microwave water measuring device 17, it can achieve intelligent management and closed-loop control effects; the integrated air intake device and the integrated exhaust device can solve the air treatment problem at the front and rear ends of the equipment to ensure the cleanliness and environmental protection of the equipment.

Claims

1. A vibrating fluidized bed dryer, characterized in that: The invention comprises an upper bed body (2) and a lower bed body (3), wherein the top of the upper bed body (2) is provided with an integrated exhaust device, and the side of the lower bed body (3) is provided with an integrated air intake device, one end of the lower bed body (3) is provided with a feed port (1), and the other end is provided with a discharge port (8), and a microwave water measuring device (17) is provided at the position of the discharge port (8), and vibration motors (5) are respectively provided on both sides of the lower bed body (3), and a shock absorbing base (4) is provided on the lower bed body (3), and is fixed on the ground through the shock absorbing base (4); The integrated exhaust device comprises a main exhaust pipe (19), a cyclone separator (20), an exhaust duct (21) and a bag dust collector (22); the main exhaust pipe (19) is arranged on the top of the upper bed body (2) and is connected to the upper bed body (2); the main exhaust pipe (19) is connected to the cyclone separator (20) via an exhaust flexible connection (1901); and the cyclone separator (20) is connected to the bag dust collector (22) via the exhaust duct (21); A fixing frame (18) is provided below the discharge port (8), and the microwave water measuring device (17) is arranged on the fixing frame (18). The microwave water measuring device (17) comprises a microwave water measuring instrument (1701), a test chamber (1702), a material discharge chamber (1703), and a rotating cylinder (1704). The test chamber (1702) and the material discharge chamber (1703) are separated by a partition (1707). A test chamber baffle plate (1705) is provided at the bottom of the test chamber (1702), and the test chamber baffle plate (1705) is connected to the rotating cylinder (1704) via a connecting arm (1706). The microwave water measuring device (17) is data-connected to a PLC control device, and the PLC control device can adjust the opening of an electric butterfly valve (9) on the integrated air intake pipe (10), thereby controlling the amount of heat. The upper bed body is provided with an automatic flipping device (15), the automatic flipping device (15) comprising a flipping seat (1502), a flipping bracket (1501) and an electric push rod (1503); the flipping bracket (1501) is fixedly connected to the lower bed body (3); the bottom end of the electric push rod (1503) is movably arranged on the flipping seat (1502); the top end of the electric push rod (1503) is provided with a hinge seat (1504) and is movably connected to the upper bed body (2) via the hinge seat (1504); the electric push rod (1503) can be telescopically controlled, so that the upper bed body (2) can be opened and closed on one side of the lower bed body (3).

2. A vibrating fluidized bed dryer according to claim 1, characterized in that: The integrated air intake device comprises an integrated air source (11) and an integrated air intake pipeline (10); the integrated air intake pipeline (10) comprises a heating pipeline (1001) and a cooling pipeline (1003); the heating pipeline (1001) is provided with an electric butterfly valve (9), and the opening of the heating pipeline (1001) is controlled by the electric butterfly valve (9); the ends of the heating pipeline (1001) and the cooling pipeline (1003) are respectively provided with air source soft connections (1002), and are connected to the lower bed body (3) via the air source soft connections (1002).

3. A vibrating fluidized bed dryer according to claim 1, characterized in that: An online cleaning device (12) is provided on the upper bed body (2), and the online cleaning device (12) comprises a main cleaning pipeline (101) and a branch cleaning pipeline (102) arranged on the main cleaning pipeline (101), and spray holes are respectively provided on the main cleaning pipeline (101) and the branch cleaning pipeline (102).

4. A vibrating fluidized bed dryer according to claim 1, characterized in that: The lower bed body (3) is provided with a sewage discharge pipe (7).

5. A vibrating fluidized bed dryer according to claim 1, characterized in that: An inflatable sealing ring (16) is provided at the edge of the upper opening of the lower bed body (3), and an air nozzle (1601) is provided on the inflatable sealing ring (16). The inflatable sealing ring (16) is used to seal between the lower bed body (3) and the upper bed body (2).

6. A vibrating fluidized bed dryer according to claim 1, characterized in that: The upper bed body (2) is provided with a manhole sight glass (6) with a brush.

7. A vibrating fluidized bed dryer according to claim 1, characterized in that: An online temperature monitoring device (13) is installed on the side of the upper bed body (2).

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