Boiling dryer capable of conveniently controlling moisture content of immobilized enzyme

Abstract

A boiling dryer capable of conveniently controlling the moisture content of immobilized enzyme comprises a rack and a drying barrel, an upper partition plate and a lower partition plate are mounted in the middle of the drying barrel, airflow holes are formed in the partition plates, a drying cavity is reserved between the upper partition plate and the lower partition plate, and a feeding pipeline is mounted on one side of the drying cavity. A discharging pipeline is mounted on the other side of the drying cavity; a supporting plate is installed in the lower portion of the drying barrel, a ventilation pipeline is installed on the supporting plate, an air supply pipeline is installed at the bottom of the ventilation pipeline through a rotary joint and penetrates through the drying barrel from inside to outside, and an air filter and an air heater are installed on the air supply pipeline on the outer side of the drying barrel. A dust remover is installed in the upper portion of the drying barrel, and the portion, above the dust remover, of the drying barrel is further communicated with an air inducing pipeline. By optimizing the hot air treatment and the material feeding state, the heat flow contact area can be greatly increased, the drying blind area is reduced, and the drying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to immobilized enzyme drying technical field, especially a boiling drying machine convenient to control immobilized enzyme moisture content. BACKGROUND

[0002] Immobilized enzyme technology has become an important research direction in the field of enzyme application since its development in the 1960s. By immobilizing free enzymes on carriers, the stability, reusability and operational convenience of enzymes can be improved, and they are widely used in medicine, food, chemical industry, environmental protection and other fields. However, the moisture content of immobilized enzymes has an important influence on their activity and stability, so a high-efficiency and precise drying equipment is needed to control their moisture content.

[0003] Traditional drying techniques, such as hot air circulation oven and air flow drying, have some limitations when drying immobilized enzymes. For example, hot air circulation oven has a large floor area, small production capacity and low thermal efficiency, and the humidity of the dried product is not uniform. Although air flow drying has a fast drying speed, it is difficult to accurately control the moisture content of the product by adjusting the residence time of the material. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a boiling drying machine for controlling the moisture content of immobilized enzymes by optimizing hot air treatment and material feeding state, greatly increasing the heat flow contact area, reducing the drying blind area and improving the drying efficiency.

[0005] The technical problem to be solved by the utility model is solved by the following technical scheme. The utility model is a boiling drying machine for controlling the moisture content of immobilized enzymes, which comprises a rack and a drying cylinder vertically fixed and installed on the rack. An upper and lower partition plate is installed inside the middle part of the drying cylinder. Airflow openings are provided on the partition plate. A drying cavity for boiling drying of immobilized enzyme material is left between the upper and lower partition plates. A feeding pipe and a power device for driving the feeding pipe to rotate and adjust are installed on one side of the drying cavity. An outlet pipe is installed on the other side of the drying cavity.

[0006] A support plate is installed inside the lower part of the drying cylinder. A vertical air pipe and a driving device for driving the air pipe to rotate are installed on the support plate. A horizontal air outlet pipe is fixedly connected to the top of the air pipe. An air outlet is provided on the air outlet pipe. A gas supply pipe is installed on the bottom of the air pipe through a rotary joint. The gas supply pipe penetrates the drying cylinder from the inside to the outside and extends to the outside of the drying cylinder. An air filter and an air heater are installed on the gas supply pipe outside the drying cylinder.

[0007] A dust remover is arranged in the upper part of the drying cylinder, and an air duct is communicated with the upper part of the drying cylinder, and an air blower is arranged on the air duct.

[0008] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, be provided with with feeding pipe cooperation's feeding hole on drying cylinder, feeding pipe articulate on drying cylinder at feeding hole place, still be fixedly connected with the corrugated hose for sealing feeding hole between drying cylinder and feeding pipe at feeding hole place.

[0009] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, power device is electric push rod, electric push rod articulate on drying cylinder, and the push rod of electric push rod is articulated with feeding pipe.

[0010] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, drive device is speed reducer motor, and the motor shaft of speed reducer motor is transmission connection with ventilation pipe, and rotary dynamic seal is installed at the joint of ventilation pipe and support plate.

[0011] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, and the air blower is also installed on gas supply pipe.

[0012] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, and the dust remover is bag dust collector.

[0013] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, and the transparent window is installed on drying cylinder at drying cavity.

[0014] The technical problems to be solved by the utility model also can be further realized through following technical scheme, for above-mentioned easy to control immobilized enzyme moisture content's boiling drying machine, and the discharge auger is also installed at the joint of discharge pipe and drying cylinder.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1. Optimize drying process: the utility model discloses a drying cavity is formed to the upper and lower two layer partition board, combines rotatable feed pipe and air pipe, can optimize hot -blast processing and material feeding state, greatly promote the heat flow contact area, reduce the drying blind area, improve drying efficiency significantly;

[0017] 2. Precise control of moisture content: the design structure is favorable to the precise control of immobilized enzyme drying process, thereby better control its moisture content;

[0018] 3. Ensure air quality: the air supply pipeline is equipped with air filter and air heater, can filter air impurities and heat air, ensure the air quality and temperature of entering the drying cavity, improve drying effect;

[0019] 4. Maintain good drying environment: the upper portion of the drying cylinder is provided with dust collector and air duct, and is provided with air blower, can discharge dust and other impurities generated in the drying process in time, maintain good drying environment in the drying cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a structural schematic view of the utility model;

[0021] Fig. 2 It is a structural schematic view of the partition plate of the utility model;

[0022] Fig. 3 It is a structural schematic view of the air outlet pipe of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the utility model, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0024] Referring to Figs. 1-3 A fluidized bed dryer convenient for controlling the moisture content of immobilized enzyme, which aims to realize efficient and accurate drying treatment of immobilized enzyme material, and especially focuses on the control of the moisture content of the material. The main body is composed of a rack 1 and a drying cylinder 2 vertically fixedly installed on the rack 1. The inside of the drying cylinder 2 is divided into different areas according to functions, and is provided with a series of auxiliary devices to complete the drying task together. Specifically:

[0025] The dryer comprises a frame 1 and a drying cylinder 2 vertically fixedly installed on the frame 1, two layers of partition plates 3 are internally installed at the middle part of the drying cylinder 2, air flow openings 22 are arranged on the partition plates 3, a drying cavity 4 for boiling drying of the immobilized enzyme material is left between the two layers of partition plates 3, a feeding pipe 5 and a power device 7 for driving the feeding pipe 5 to rotate are installed at one side of the drying cavity 4, and a discharging pipe 8 is installed at the other side of the drying cavity 4; the air flow openings 22 are used for ensuring that hot air uniformly enters the drying cavity 4, so that the immobilized enzyme material can be fully contacted with the hot air in the drying process; the power device 7 is used for driving the feeding pipe 5 to rotate, so as to flexibly adjust the angle between the feeding pipe 5 and the drying cylinder 2, ensure smooth flow of the immobilized enzyme material, realize uniform drying effect, and avoid the influence of material accumulation on efficiency; the discharging pipe 8 is arranged to facilitate timely discharge of the dried immobilized enzyme material, and preferably, a discharging auger 9 is further installed at the joint between the discharging pipe 8 and the drying cylinder 2, so as to facilitate better discharging operation.

[0026] Preferably, a feeding hole is arranged on the drying cylinder 2 and matched with the feeding pipe 5, the feeding pipe 5 is hingedly connected to the drying cylinder 2 at the feeding hole, and a corrugated hose 6 for sealing the feeding hole is further fixedly connected between the drying cylinder 2 at the feeding hole and the feeding pipe 5, so as to ensure flexibility of the feeding process and effectively prevent gas leakage in the drying process.

[0027] A support plate 10 is internally installed at the lower part of the drying cylinder 2, a vertical air pipe 11 and a driving device 13 for driving the air pipe 11 to rotate are installed on the support plate 10, a horizontal air outlet pipe 12 is fixedly communicated with the top of the air pipe 11, air outlet holes 23 are arranged on the air outlet pipe 12, and preferably, the driving device 13 is a reduction motor, a motor shaft of the reduction motor is in transmission connection with the air pipe 11, and a rotary dynamic seal is installed at the joint between the air pipe 11 and the support plate 10, so as to facilitate driving the air pipe 11 to rotate by the driving device 13, and when the hot air enters the air outlet pipe 12 through the air pipe 11, the hot air is uniformly sprayed from the air outlet holes 23 to form a uniform hot air flow field, so as to provide a stable drying environment for the immobilized enzyme material in the drying cavity 4, greatly improve the hot flow contact area, reduce the drying blind area, and improve the drying efficiency.

[0028] The bottom of the ventilation pipe 11 is provided with a gas supply pipe 14 through a rotary joint, the gas supply pipe 14 penetrates the drying cylinder 2 from inside to outside and extends to the outside of the drying cylinder 2, and the air filter 17 and the air heater 15 are installed on the gas supply pipe 14 outside the drying cylinder 2; the air filter 17 can effectively filter impurities and particulate matters in the air to ensure that the air entering the drying cylinder 2 is clean; the air heater 15 can heat the air to a suitable temperature to meet the drying process requirements; the air blower 16 provides power for the delivery of hot air to ensure that the hot air can be stably and continuously supplied into the drying cavity 4; preferably, the air blower 16 is also installed on the gas supply pipe 14.

[0029] A dust collector 18 is installed inside the upper part of the drying cylinder 2, and an air induction pipe 19 is also communicated with the upper part of the drying cylinder 2 above the dust collector 18, and an air induction fan 20 is installed on the air induction pipe 19. During the drying process, the dust and other impurities in the material will rise with the hot air, and the dust collector 18 can effectively capture these dust to prevent it from being discharged into the atmosphere and to protect the environment; the air induction fan 20 can extract the gas in the drying cylinder 2 by generating negative pressure to maintain the circulation of the gas flow in the drying cylinder 2, and at the same time, the gas after dust removal is discharged to a suitable position; preferably, the dust collector 18 is a bag dust collector 18.

[0030] In actual use, a transparent window 21 is installed on the drying cylinder 2 at the drying cavity 4, so that the operator can directly observe the drying condition of the material in the drying cavity 4 through the transparent window 21, such as the boiling state and color change of the material, so as to timely adjust the drying parameters and ensure the drying effect.

[0031] The working principle of the boiling dryer for facilitating the control of the water content of the immobilized enzyme provided in the present application is as follows:

[0032] During the drying process, the immobilized enzyme material enters the drying cavity 4 through the feeding pipe 5, at the same time, the air blower 16 sucks air into the gas supply pipe 14, and after being filtered by the air filter 17 and heated by the air heater 15, the hot air is formed; the hot air enters the air outlet pipe 12 through the ventilation pipe 11 and is uniformly sprayed out of the air outlet hole 23, and fully contacts with the immobilized enzyme material in the drying cavity 4, so that the water in the immobilized enzyme material evaporates, and the water vapor after evaporation rises with the hot air, and is removed by the bag dust collector 18, and then is discharged from the drying cylinder 2 by the air induction fan 20 through the air induction pipe 19;

[0033] During the drying process, the rotation angle of the feeding pipe 5 can be adjusted by the electric push rod to control the feeding amount and feeding speed; the rotation of the ventilation pipe 11 is driven by the reduction motor to make the hot air more uniformly distributed in the drying cavity 4, and to reduce the drying blind area; at the same time, the operator can observe the drying condition of the immobilized enzyme material through the transparent window 21, and adjust the drying parameters according to the actual requirements to ensure that the water content of the immobilized enzyme material meets the requirements.

Claims

1. A fluidized bed dryer for easy control of the moisture content of immobilized enzymes, characterized in that: The device includes a frame and a drying cylinder that is vertically fixed on the frame. Inside the middle of the drying cylinder, there are upper and lower partition plates with airflow openings on the partition plates. Between the upper and lower partition plates, there is a drying chamber for boiling drying of immobilized enzyme materials. A feed pipe and a power device for driving the feed pipe to rotate and adjust are installed on one side of the drying chamber, and a discharge pipe is installed on the other side of the drying chamber. A support plate is installed inside the lower part of the drying cylinder. A vertically arranged air duct and a drive device for rotating the air duct are installed on the support plate. A horizontally arranged air outlet is fixedly connected to the top of the air duct. An air outlet hole is provided on the air outlet. An air supply pipe is installed at the bottom of the air duct through a rotary joint. The air supply pipe runs through the drying cylinder from the inside to the outside and extends to the outside of the drying cylinder. An air filter and an air heater are installed on the air supply pipe on the outside of the drying cylinder. A dust collector is installed inside the upper part of the drying cylinder, and an exhaust duct is connected to the drying cylinder above the dust collector. An exhaust fan is installed on the exhaust duct.

2. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1, characterized in that: A feed hole is provided on the drying cylinder to cooperate with the feed pipe. The feed pipe is hinged to the drying cylinder at the feed hole. A corrugated hose for sealing the feed hole is also fixedly connected between the drying cylinder at the feed hole and the feed pipe.

3. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1 or 2, characterized in that: The power unit is an electric push rod, which is hinged to the drying cylinder, and the push rod of the electric push rod is hinged to the feed pipe.

4. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1, characterized in that: The driving device is a geared motor, and the motor shaft of the geared motor is connected to the ventilation pipe. A rotary dynamic seal is installed at the junction of the ventilation pipe and the support plate.

5. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1, characterized in that: A blower is also installed on the gas supply pipeline.

6. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1, characterized in that: The dust collector is a bag filter.

7. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1, characterized in that: A transparent viewing window is installed on the drying cylinder in the drying chamber.

8. The fluidized bed dryer for easy control of the moisture content of immobilized enzymes according to claim 1, characterized in that: A discharge auger is also installed at the junction of the discharge pipe and the drying cylinder.

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