Novel cooling tower for xylanase preparation

Abstract

Provided is a novel cooling tower for xylanase preparation, comprising a water tank platform, a tower body, and support columns, wherein a circular ring block is rotatably connected to the inner wall at the bottom of the water tank platform, an annular cavity is formed along the inner wall of the circular ring block, a plurality of straight rods are evenly distributed in, penetrate through, and are slidably connected to the inner wall of the annular cavity, a scraper is fixedly connected to one end of each straight rod, and the scrapers slidably abut against the inner wall at the bottom of the water tank platform; and a power mechanism for driving the scrapers to clean impurities inside the water tank platform is arranged inside the annular cavity. An annular rack, a plurality of gears, the straight rods, and a scraper structure are provided, the output end of a motor drives rotating shafts fixedly connected thereto to rotate by a certain angle, and by means of the gears, the annular rack, and a toothed belt structure, the rotating shafts drive the straight rods and the scrapers to slide a certain distance, so that the scrapers scrape some impurities remaining on the inner wall at the bottom of the water tank platform, until these impurities are scraped and accumulated in a circular platform hole, and then discharged to the outside for collection.

Description

A new cooling tower for xylanase preparation Technical Field

[0001] The invention relates to the technical field of cooling towers, in particular to a novel cooling tower for preparing xylanase. Background Art

[0002] Xylan, a key component of hemicellulose, is widely found in various plant resources. Xylanases are a class of hydrolytic enzymes that can degrade xylan into xylooligosaccharides and xylose. Xylanases are available from animals, plants, and microorganisms, primarily microorganisms. Microorganisms known to produce xylanases include bacteria, Aspergillus, and Trichoderma. Because most xylans are complex, highly branched, heterogeneous polysaccharides containing numerous substituents, the biodegradation of xylans requires a complex enzyme system in which multiple components work synergistically to degrade xylans. Therefore, xylanases are a group of enzymes, not just a single enzyme.

[0003] Currently, in the industrial production of xylanase, a cooling tower is often used to absorb the heat generated during the preparation process and then discharge it into the atmosphere to achieve the purpose of cooling. However, after a period of use, the current cooling tower for xylanase preparation will deposit a large amount of impurities on the inner wall of the bottom of the water trough in the cooling tower, and will also produce floating impurities. If these impurities are not cleaned, they will cause blockage in the pipes and nozzles. The current method for cleaning these impurities is often for the user to shut down the cooling tower and then manually clean it, which will cause the running refrigeration equipment to shut down, affecting the production process of xylanase.

[0004] Therefore, we designed a new cooling tower for xylanase preparation. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems existing in the prior art and to propose a new cooling tower for preparing xylanase.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A novel cooling tower for preparing xylanase comprises a water trough table, a tower body and support columns. A circular block is rotatably connected to the inner wall of the bottom of the water trough table. An annular cavity is formed on the inner wall of the circular block. A plurality of straight rods are uniformly distributed and slidably connected to the inner wall of the annular cavity. One end of each straight rod is fixedly connected to a scraper. The scraper and the inner wall of the bottom of the water trough table slide against each other. A power mechanism is provided inside the annular cavity to drive the scraper to clean impurities inside the water trough table. An impurity removal mechanism is provided inside the water trough table to remove impurities floating on the surface of cooling water.

[0008] Furthermore, the power mechanism includes an annular rack, a rotating shaft, a gear, a toothed belt, a motor, a cavity, a piston, a spring, a one-way water inlet pipe, a one-way water outlet pipe, a conical hole and a suction hole. The inner wall of the annular cavity is slidably connected to an annular rack, and the inner wall of the annular cavity is evenly rotatably connected to multiple rotating shafts. Each side wall of the rotating shaft is fixedly connected to a gear, and each side wall of the straight rod is fixedly connected to a toothed belt. The inner wall of the circular ring block is evenly provided with multiple cavities, and the inner wall of each cavity is sealed and slidably connected to a piston. The end of each straight rod away from the scraper passes through the inner wall of the annular cavity and is fixedly connected to one of the pistons. The side wall of each piston is fixedly connected to a return spring, and the end of the return spring away from the piston is fixedly connected to the inner wall of the cavity.

[0009] Furthermore, a conical hole is provided on the inner wall of the sink table, and a suction hole is provided on the bottom wall of the conical hole. A one-way water inlet pipe and a one-way water outlet pipe are fixedly connected through the inner wall of each cavity. The end of the one-way water inlet pipe away from the cavity is connected to the suction hole, and the end of the one-way water outlet pipe away from the cavity passes through the circular ring block and the inner wall of the sink table and is fixedly connected to the environmental protection bag outside.

[0010] Furthermore, a guide ring is fixedly connected to the bottom wall of the frustum block, the top of the guide ring is arranged in an inclined surface, and a plurality of air jets are evenly and fixedly connected to the top wall of the guide ring.

[0011] Furthermore, a one-way air inlet pipe and multiple one-way air outlet pipes are fixedly connected to the inner wall of each cavity, the other end of the one-way air inlet pipe passes through the circular block and the inner wall of the sink table and is connected to the outside world, the other end of the one-way air outlet pipe is fixedly connected to the nozzle, the one-way water outlet pipe and the one-way air inlet pipe are both retractable tube bodies, a motor is fixedly connected to the inner wall of the annular cavity, and the output end of the motor is fixedly connected to one of the rotating shafts.

[0012] Furthermore, each of the gears is meshed and connected with an annular rack, each of the toothed belts is meshed and connected with an adjacent gear, and the straight rod and the annular rack are staggered.

[0013] Furthermore, the impurity removal mechanism includes an annular trough body, a horizontal plate, a rotating rod, a stirring blade, a connecting rod, a driving wheel, a driven wheel, a synchronous belt and a through hole. The inner wall of the water trough table is fixedly connected to the horizontal plate, the inner wall of the horizontal plate is penetrated and rotatably connected to the rotating rod, and the top side wall of the rotating rod is fixedly connected to multiple stirring blades. The top end of one of the rotating shafts is fixedly connected to the connecting rod, and the end of the connecting rod away from the rotating shaft penetrates the inner wall of the annular cavity and is fixedly connected to the driving wheel. The bottom wall of the rotating rod is fixedly connected to the driven wheel, and the driving wheel and the driven wheel are connected by a synchronous belt.

[0014] Furthermore, an annular trough body is fixedly connected to the inner wall of the water tank table, a plurality of through holes are opened on the bottom wall of the annular trough body, and an annular adsorption cotton is placed inside the annular trough body.

[0015] Furthermore, the annular block and the inner side wall of the water tank platform are sealed and slide against each other. The side wall of the water tank platform is provided with an arc hole. The side wall of the annular block is fixedly connected with a push rod, and the other end of the push rod is slidably connected to the arc hole.

[0016] Furthermore, the scraper has an arc-shaped structure, the top wall of the water trough is fixedly connected to a plurality of support columns, the top ends of the plurality of support columns are fixedly connected to the bottom wall of the tower body, and the bottom wall of the water trough is evenly fixedly connected to a plurality of support legs.

[0017] The present invention has the following advantages:

[0018] 1. During the xylanase preparation process, when impurities in the water accumulate at the bottom of the water tank for a period of time, a ring rack, multiple gears, straight rods, and scrapers are provided. The output end of the motor drives the rotating shaft fixed to it to rotate a certain angle. The rotating shaft drives each straight rod and scraper to slide a certain distance through the gears, ring rack, and toothed belt. The scraper will scrape some of the impurities remaining on the inner wall of the bottom of the water tank until these impurities are scraped and accumulated in the round table hole.

[0019] 2. During the above process, the other end of the straight rod will drive the piston to slide for a certain distance in the corresponding cavity, thereby sucking the impurities inside the cone hole into the cavity. Then, under the elastic force of the return spring, the piston will slide in the opposite direction for a certain distance. At this time, the piston can discharge the impurities and water sucked into the cavity through the one-way water outlet pipe into the external environmental protection bag for filtration and collection.

[0020] 3. In the above process, when the piston sucks the impurities inside the truncated cone hole into the cavity through the one-way water inlet pipe and the suction hole, the piston also squeezes the gas inside the cavity to multiple jet heads through the one-way air outlet pipe, and drives the water to generate impact force. Then, this part of the water with impact force will also push the impurities retained on the guide ring to fall onto the sink table faster, thereby improving the cleaning efficiency of the impurities retained in the sink table;

[0021] 4. In the above process, when multiple shafts rotate synchronously, one of the shafts will drive the connecting rod to rotate synchronously, and then the connecting rod will drive the rotating rod and multiple stirring blades to rotate through the driving wheel, synchronous belt and driven wheel. During the rotation, the stirring blades will move the water outward to form surface microwaves that enter the annular trough. Impurities such as oil stains carried in the water are adsorbed on the annular adsorption cotton, and the water can flow back to the inside of the water tank through multiple through holes, avoiding waste of water. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] FIG1 is a schematic diagram of the appearance of a novel cooling tower for preparing xylanase proposed in the present invention;

[0023] FIG2 is a schematic diagram of the appearance of a water tank platform of a novel cooling tower for preparing xylanase proposed in the present invention;

[0024] FIG3 is a schematic diagram of the structure of the interior of the annular cavity in the novel cooling tower for xylanase preparation proposed in the present invention;

[0025] FIG4 is an enlarged schematic diagram of the structure of portion A in FIG3 ;

[0026] FIG5 is a schematic diagram showing the connection relationship between the rotating rod, rotating shaft, synchronous belt, driving pulley and driven pulley in the novel cooling tower for xylanase preparation proposed in the present invention;

[0027] FIG6 is a schematic structural diagram of an annular trough and through holes in a novel cooling tower for xylanase production according to the present invention;

[0028] FIG7 is a schematic diagram showing the positional relationship between the annular block and the water tank table in the novel cooling tower for xylanase production proposed in the present invention;

[0029] FIG8 is a schematic diagram showing the connection relationship between the circular ring block and the guide ring in the novel cooling tower for xylanase production proposed by the present invention.

[0030] In the figure: 1 water tank table, 2 tower body, 3 support column, 4 circular ring block, 5 guide ring, 6 annular cavity, 7 annular rack, 8 rotating shaft, 9 gear, 10 straight rod, 11 scraper, 12 toothed belt, 13 motor, 14 connecting rod, 15 cavity, 16 piston, 17 return spring, 18 one-way water inlet pipe, 19 one-way water outlet pipe, 20 one-way air inlet pipe, 21 one-way air outlet pipe, 22 nozzle, 23 driving wheel, 24 driven wheel, 25 synchronous belt, 26 cross plate, 27 rotating rod, 28 stirring blade, 29 annular tank body, 30 through hole, 31 frustum hole, 32 suction hole, 33 arc hole, 34 push rod, 35 annular adsorption cotton. Implementation Method

[0031] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] 1 to 8 , a novel cooling tower for preparing xylanase is disclosed, comprising a water trough table 1, a tower body 2 and a support column 3. The inner wall of the bottom of the water trough table 1 is rotatably connected to a circular ring block 4, the inner wall of the circular ring block 4 is provided with an annular cavity 6, and the inner wall of the annular cavity 6 is evenly distributed with a plurality of straight rods 10 slidably connected thereto. One end of each straight rod 10 is fixedly connected to a scraper 11, and the scraper 11 slides against the inner wall of the bottom of the water trough table 1; a power mechanism for driving the scraper 11 to clean impurities inside the water trough table 1 is provided inside the water trough table 1; an impurity removal mechanism for removing impurities floating on the surface of the cooling water is provided inside the tower body 2, which is the main part of the cooling tower equipment and is usually circular or square in shape. A packing layer, a fan, a water pump, a nozzle and a water collecting plate are provided inside the tower body 2, all of which are prior art and will not be described in detail here.

[0033] The power mechanism includes an annular rack 7, a rotating shaft 8, a gear 9, a toothed belt 12, a motor 13, a cavity 15, a piston 16, a return spring 17, a one-way water inlet pipe 18, a one-way water outlet pipe 19, a frustum hole 31 and a suction hole 32. The inner wall of the annular cavity 6 is slidably connected to the annular rack 7, and the inner wall of the annular cavity 6 is evenly rotatably connected to multiple rotating shafts 8. The side walls of each rotating shaft 8 are fixedly connected to the gear 9, and the side walls of each straight rod 10 are fixedly connected to the toothed belt 12. The inner wall of the circular ring block 4 is evenly provided with multiple cavities 15, and the inner wall of each cavity 15 is sealed and slidably connected to the piston 16. The end of each straight rod 10 away from the scraper 11 passes through the inner wall of the annular cavity 6 and is fixedly connected to one of the pistons 16. The side wall of each piston 16 is fixedly connected to the return spring 17, and the return spring 17 is away from One end of the piston 16 is fixedly connected to the inner wall of the cavity 15, and the output end of the motor 13 drives the rotating shaft 8 fixedly connected to it to rotate a certain angle, and the rotating shaft 8 drives the gear 9 fixedly connected to its side wall to rotate, and the gear 9 drives the annular rack 7 meshing with it to slide a distance. Since the other gears 9 are meshing with the annular rack 7, the annular rack 7 will drive another gear 9 to rotate synchronously by a certain angle during the sliding process, and then each gear 9 will drive the toothed belt 12 meshing with it to move a distance, and the toothed belt 12 will drive the straight rod 10 fixedly connected to it to move a distance, then each straight rod 10 will drive the scraper 11 fixedly connected to it to slide a distance, which will push some impurities remaining on the inner wall of the bottom of the sink table 1.

[0034] A frustum hole 31 is provided on the inner wall of the sink table 1, and a suction hole 32 is provided on the bottom wall of the frustum hole 31. A one-way water inlet pipe 18 and a one-way water outlet pipe 19 are fixedly connected to the inner wall of each cavity 15. The end of the one-way water inlet pipe 18 away from the cavity 15 is connected to the suction hole 32. The one-way water inlet pipe 18 only allows impurities to enter the cavity 15 through the suction hole 32, while the one-way water outlet pipe 19 only allows impurities inside the cavity 15 to be squeezed into the external environmental protection bag for discharge. The end of the one-way water outlet pipe 19 away from the cavity 15 passes through the circular ring block 4 and the inner wall of the sink table 1 and is fixedly connected to the external environmental protection bag.

[0035] The top wall of the annular block 4 is fixedly connected with a guide ring 5, the top of the guide ring 5 is arranged in an inclined surface, and the top wall of the guide ring 5 is evenly fixedly connected with a plurality of nozzles 22. The gas ejected by the nozzles 22 can form an airflow within a certain range.

[0036] The inner wall of each cavity 15 is penetrated and fixedly connected with a one-way air inlet pipe 20 and multiple one-way air outlet pipes 21. The other end of the one-way air inlet pipe 20 passes through the circular ring block 4 and the inner wall of the sink table 1 and is connected to the outside world. The other end of the one-way air outlet pipe 21 is fixedly connected to the nozzle head 22. The one-way water outlet pipe 19 and the one-way air inlet pipe 20 are both retractable pipe bodies. The inner wall of the annular cavity 6 is fixedly connected to the motor 13, and the output end of the motor 13 is fixedly connected to one of the rotating shafts 8. A buffer groove is provided at the bottom of the circular ring block 4. Part of the pipe body of the one-way water outlet pipe 19 and the one-way air inlet pipe 20 is arranged inside the buffer groove, so that when the circular ring block 4 rotates partially, it will not interfere with the one-way air inlet pipe 20 and the one-way water outlet pipe 19.

[0037] Each gear 9 is meshed with the annular rack 7 , each toothed belt 12 is meshed with the adjacent gear 9 , and the straight rod 10 and the annular rack 7 are staggered.

[0038] The impurity removal mechanism includes an annular trough body 29, a transverse plate 26, a rotating rod 27, a stirring blade 28, a connecting rod 14, a driving wheel 23, a driven wheel 24, a synchronous belt 25 and a through hole 30. The inner wall of the water tank table 1 is fixedly connected to the transverse plate 26, and the inner wall of the transverse plate 26 is penetrated and rotatably connected to the rotating rod 27. A plurality of stirring blades 28 are fixedly connected to the top side wall of the rotating rod 27. The top of one of the rotating shafts 8 is fixedly connected to the connecting rod 14, and the end of the connecting rod 14 away from the rotating shaft 8 passes through the inner wall of the annular cavity 6 and is fixedly connected to the driving wheel 23. The bottom wall of the rotating rod 27 is fixedly connected to the driven wheel 24. The driving wheel 23 and the driven wheel 24 are connected by a synchronous belt 25.

[0039] An annular groove body 29 is fixedly connected to the inner wall of the water tank table 1. A plurality of through holes 30 are opened on the bottom wall of the annular groove body 29. An annular adsorption cotton 35 is placed inside the annular groove body 29.

[0040] The circular ring block 4 and the inner wall of the water tank table 1 are sealed and slide against each other, and water will not flow out through the arc hole 33. The side wall of the water tank table 1 is provided with an arc hole 33, and the side wall of the circular ring block 4 is fixedly connected with a push rod 34, and the other end of the push rod 34 is slidably connected to the arc hole 33.

[0041] The scraper 11 is an arc-shaped structure. The top wall of the water tank platform 1 is fixedly connected to multiple support columns 3. The top ends of the multiple support columns 3 are fixedly connected to the bottom wall of the tower body 2. The bottom wall of the water tank platform 1 is evenly fixedly connected to multiple support legs.

[0042] In the present invention, during the process of preparing xylanase, the water after heat exchange from the tower body 2 falls into the inside of the water tank table 1, and the impurities in the water are deposited in the inner cavity at the bottom of the water tank table 1. After a period of impurities accumulation, the motor 13 is turned on, and the output end of the motor 13 drives the rotating shaft 8 fixedly connected to it to rotate a certain angle, and the rotating shaft 8 drives the gear 9 fixedly connected to its side wall to rotate, and the gear 9 drives the annular rack 7 meshed with it to slide a distance. Since the other gears 9 are meshed with the annular rack 7, the annular rack 7 will drive the other gears 9 to slide in the process of sliding. One of its gears 9 rotates synchronously by a certain angle, and then each gear 9 will drive the toothed belt 12 meshing with it to move a certain distance, and the toothed belt 12 will drive the straight rod 10 fixedly connected to it to move a certain distance, then each straight rod 10 will drive the scraper 11 fixedly connected to it to slide a certain distance. Since the scraper 11 and the inner wall of the bottom of the sink table 1 slide against each other, the scraper 11 will push some impurities remaining on the inner wall of the bottom of the sink table 1 until these impurities are scraped into the conical hole 31, and these impurities fall to the bottom of the conical hole 31 under the action of gravity.

[0043] In the above process, when one end of the straight rod 10 drives the scraper 11 to push the impurities, the other end of the straight rod 10 will drive the piston 16 to slide sealedly for a distance inside the corresponding cavity 15, and the piston 16 will suck the impurities inside the conical hole 31 into the cavity 15 through the one-way water inlet pipe 18 and the suction hole 32, and then turn off the motor 13. The output end of the motor 13 has no locking function, so under the elastic force of the reset spring 17, the piston 16 will slide sealedly in the reverse direction for a distance, and then the piston 16 can discharge the impurities and water sucked into the cavity 15 through the one-way water outlet pipe 19 into the external environmental protection bag for filtration and collection.

[0044] The top of the circular ring block 4 is fixedly connected to the guide ring 5, and the top of the guide ring 5 is set in an inclined surface. Then, the impurities falling on the guide ring 5 can slide to the inner wall of the bottom of the water tank table 1 under the action of their own gravity, making it convenient for the scraper 11 to clean them. At the same time, in the above process, when the piston 16 sucks the impurities inside the truncated hole 31 into the cavity 15 through the one-way water inlet pipe 18 and the suction hole 32, the piston 16 also squeezes the gas inside the cavity 15 to multiple nozzles 22 through the one-way air outlet pipe 21 for spraying. The nozzles 22 are inclined at the top inclined surface of the guide ring 5. Then, the airflow ejected from the multiple nozzles 22 will drive the water body to generate impact force, and then this part of the water body with impact force will also push the impurities retained on the guide ring 5 to fall onto the water tank table 1 faster, thereby improving the cleaning efficiency of the impurities retained in the water tank table 1.

[0045] In the above process, when multiple rotating shafts 8 rotate synchronously, one of the rotating shafts 8 will drive the connecting rod 14 to rotate synchronously, then the connecting rod 14 will drive the driven wheel 24 to rotate through the driving wheel 23 and the synchronous belt 25 fixedly connected to its side wall, so that the driven wheel 24 drives the rotating rod 27 to rotate, and the rotating rod 27 drives the multiple stirring blades 28 fixedly connected to its side wall to rotate. The multiple stirring blades 28 are flush with the water level inside the water tank 1, then the stirring blades 28 will move the water outward during the rotation process to form water surface microwaves, so that impurities floating on the surface of the water body enter the inside of the annular groove body 29 after these water surface microwaves collide with the annular groove body 29, and impurities such as oil stains carried in the water body are adsorbed on the annular adsorption cotton 35, and the water body can flow back to the inside of the water tank 1 through multiple through holes 30, avoiding waste of water body.

[0046] Then the user pushes the push rod 34, which drives the circular block 4 fixedly connected to it to rotate a certain angle. At this time, the circular block 4 will drive multiple scrapers 11 to rotate a certain angle, and then the scrapers 11 can clean another part of the impurities deposited on the inner wall of the bottom of the sink table 1, thereby improving the cleaning effect of the impurities.

[0047] The cooling tower for xylanase preparation can automatically clean the precipitated impurities and floating impurities inside the water tank 1, thereby improving the continuity of the cooling tower operation during the xylanase preparation process, eliminating the need to shut down the cooling tower for cleaning, and thereby improving the production efficiency of xylanase preparation.

[0048] The above are only preferred specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with this technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solutions and inventive concepts of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A cooling tower for preparing a novel xylanase, comprising a water tank table (1), a tower body (2) and a support column (3), characterized in that, The inner wall of the bottom of the water tank platform (1) is rotatably connected to a circular ring block (4), the inner wall of the circular ring block (4) is provided with an annular cavity (6), a plurality of straight rods (10) are evenly distributed and slidably connected through the inner wall of the annular cavity (6), one end of each of the straight rods (10) is fixedly connected to a scraper (11), and the scraper (11) and the inner wall of the bottom of the water tank platform (1) slide against each other; A power mechanism is provided inside the annular cavity (6) for driving a scraper (11) to clean impurities inside the water tank table (1); The water tank table (1) is provided with a cleaning mechanism inside for removing impurities floating on the surface of cooling water.

2. The cooling tower for preparing a novel xylanase according to claim 1, wherein, The power mechanism comprises an annular rack (7), a rotating shaft (8), a gear (9), a toothed belt (12), a motor (13), a cavity (15), a piston (16), a return spring (17), a one-way water inlet pipe (18), a one-way water outlet pipe (19), a truncated cone hole (31) and a suction hole (32); the inner wall of the annular cavity (6) is slidably connected to the annular rack (7); the inner wall of the annular cavity (6) is evenly rotatably connected to a plurality of rotating shafts (8); the side wall of each rotating shaft (8) is fixedly connected to a gear (9); each straight rod ( 10) side walls are fixedly connected to a toothed belt (12), the inner wall of the annular block (4) is evenly distributed with a plurality of cavities (15), the inner wall of each cavity (15) is sealed and slidably connected to a piston (16), the end of each straight rod (10) away from the scraper (11) passes through the inner wall of the annular cavity (6) and is fixedly connected to one of the pistons (16), the side wall of each piston (16) is fixedly connected to a return spring (17), and the end of the return spring (17) away from the piston (16) is fixedly connected to the inner wall of the cavity (15).

3. A cooling tower for the preparation of a novel xylanase according to claim 2, characterized in that, The inner wall of the water trough (1) is provided with a truncated cone hole (31), and the bottom wall of the truncated cone hole (31) is provided with a suction hole (32). A one-way water inlet pipe (18) and a one-way water outlet pipe (19) are fixedly connected to the inner wall of each cavity (15). The end of the one-way water inlet pipe (18) away from the cavity (15) is connected to the suction hole (32), and the end of the one-way water outlet pipe (19) away from the cavity (15) passes through the circular ring block (4) and the inner wall of the water trough (1) and is fixedly connected to an environmental protection bag outside.

4. A cooling tower for preparing a novel xylanase according to claim 3, characterized in that, The top wall of the circular ring block (4) is fixedly connected to a guide ring (5), the top of the guide ring (5) is arranged in an inclined surface, and the top wall of the guide ring (5) is evenly and fixedly connected to a plurality of air jet heads (22).

5. A cooling tower for preparing a novel xylanase according to claim 4, characterized in that, The inner wall of each cavity (15) is penetrated and fixedly connected with a one-way air inlet pipe (20) and a plurality of one-way air outlet pipes (21); the other end of the one-way air inlet pipe (20) penetrates the inner wall of the annular block (4) and the sink table (1) and is connected to the outside; the other end of the one-way air outlet pipe (21) is fixedly connected to the spray head (22); the one-way water outlet pipe (19) and the one-way air inlet pipe (20) are both retractable pipe bodies; the inner wall of the annular cavity (6) is fixedly connected with a motor (13); the output end of the motor (13) is fixedly connected to one of the rotating shafts (8).

6. The cooling tower for preparing a novel xylanase according to claim 5, characterized in that, Each of the said gears (9) is meshed and connected with the annular rack (7), each of the said toothed belts (12) is meshed and connected with the adjacent gear (9), and the straight rod (10) is arranged in a staggered manner with the annular rack (7).

7. A cooling tower for preparing a novel xylanase according to claim 6, characterized in that, The impurity removing mechanism includes an annular groove body (29), a transverse plate (26), a rotating rod (27), stirring blades (28), a connecting rod (14), a driving wheel (23), a driven wheel (24), a synchronous belt (25) and through holes (30). The inner wall of the water tank table (1) is fixedly connected with a transverse plate (26). The inner wall of the transverse plate (26) is rotatably connected through the rotating rod (27). The top side wall of the rotating rod (27) is fixedly connected with a plurality of stirring blades (28). The top end of one of the rotating shafts (8) is fixedly connected with a connecting rod (14). The end of the connecting rod (14) away from the rotating shaft (8) penetrates through the inner wall of the annular cavity (6) and is then fixedly connected with a driving wheel (23). The bottom wall of the rotating rod (27) is fixedly connected with a driven wheel (24). The driving wheel (23) and the driven wheel (24) are connected through a synchronous belt (25).

8. A cooling tower for preparing a novel xylanase according to claim 7, characterized in that, The inner wall of the water tank table (1) is fixedly connected with an annular groove body (29). The bottom wall of the annular groove body (29) is provided with a plurality of through holes (30). An annular adsorption cotton (35) is placed inside the annular groove body (29).

9. A cooling tower for preparing a novel xylanase according to claim 8, characterized in that, The circular ring block (4) is in sealing contact and sliding with the inner side wall of the water tank table (1). An arc-shaped hole (33) is provided on the side wall of the water tank table (1). A push rod (34) is fixedly connected to the side wall of the circular ring block (4). The other end of the push rod (34) is slidably connected through the arc-shaped hole (33).

10. A cooling tower for preparing a novel xylanase according to claim 1, characterized in that, The scraping plate (11) has an arc-shaped structure. The top wall of the water tank table (1) is fixedly connected with a plurality of support columns (3). The top ends of the plurality of support columns (3) are all fixedly connected with the bottom wall of the tower body (2). The bottom wall of the water tank table (1) is uniformly and fixedly connected with a plurality of support legs.

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