High-pressure blower applied to field of industrial dust removal

Abstract

The invention belongs to the technical field of air blowers, particularly relates to a high-pressure air blower applied to the field of industrial dust removal, and provides the following scheme aiming at the problem that an air blower in the prior art cannot carry out dust falling and cooling on indoor raised dust: the high-pressure air blower comprises a mounting rack, the mounting rack comprises a rear extension platform and an arc-shaped mounting groove which are fixed together, an opening of the arc-shaped mounting groove faces upwards, the rear extension platform and the arc-shaped mounting groove form a mounting platform, two front legs and two rear legs are fixed to the positions, close to the four corners, of the lower surface of the mounting platform respectively, and a main motor is arranged on the upper surface of the rear extension platform; an air draft barrel with an opening far away from the main motor is fixed in the arc-shaped mounting groove, a fixed side plate is fixed at a barrel opening of the air draft barrel, and a round hole matched with the barrel opening of the air draft barrel is reserved in the middle of the fixed side plate. According to the device, air can be humidified and subjected to dust falling treatment, and the centrifugal wind wheel can be cooled.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of air blower, in particular to a high pressure air blower applied in industrial dust removal field. BACKGROUND

[0002] In industrial production, the problems of high temperature, dust and harmful gas emission need to be solved. Due to the high efficiency of gas conveying capacity, high pressure centrifugal fan becomes the core equipment of ventilation system in places such as factories, mines and cooling towers. The air blower is a volume operation type air blower, and the pressure selection range is wide. The flow selection can be achieved by selecting the rotating speed. Since the impeller operates without friction in the body, lubrication is not required, so that the discharged gas does not contain oil. It is an ideal pneumatic conveying gas source for chemical industry, factory and other industries.

[0003] Through retrieval, the existing air blower can blow air to reduce dust and temperature in the environment with more dry and dust raising in the field in the industry. However, the air blower in the prior art can only pump out high speed airflow, and does not have the effect of dust removal and temperature reduction. Moreover, the long time high speed operation of the impeller can generate high temperature, so that the blown air can even intensify the internal drying and dust raising. In view of the defect that the indoor dust cannot be reduced, a new type of dust removal air blower is proposed. SUMMARY

[0004] In view of the technical problem that the air blower in the prior art cannot reduce the indoor dust, the present application adopts the following technical scheme: A high pressure air blower applied in industrial dust removal field, comprising a mounting rack, the mounting rack comprises a rear extension platform and an arc-shaped mounting slot opening upward fixed together, the rear extension platform and the arc-shaped mounting slot constitute an installation platform, the lower surface of the installation platform is fixed with two front legs and two rear legs respectively near the four corners, the upper surface of the rear extension platform is provided with a main motor, the arc-shaped mounting slot is fixed with a suction bucket with an opening away from the main motor, and the bucket opening of the suction bucket is fixed with a fixed side plate, the middle of the fixed side plate is reserved with a circular hole matched with the bucket opening of the suction bucket, which plays the role of air inlet and its hole diameter is equal to the inner diameter of the suction bucket, the top end of the output shaft of the main motor is fixed with a main transmission shaft rod through a shaft coupling, and the main transmission shaft rod is sequentially fixed with a centrifugal fan wheel through the suction bucket and the circular hole; the side edge of the fixed side plate away from the suction bucket is fixed with a fan cover covering the centrifugal fan wheel, and the circumferential edge of the fan cover is provided with an air outlet pipe opening; the suction bucket is provided with a spraying mechanism, and the spraying mechanism comprises a horn pipe fixed to the inner wall of the bucket opening of the suction bucket, the small opening of the horn pipe faces the circular hole, and the small opening end of the horn pipe is communicated with a T-shaped communication pipe, and the bottom end of the vertical pipe of the T-shaped communication pipe is communicated with a suction pipe; the circumferential outer wall of the main transmission shaft rod is fixed with two center-symmetric distributed atomizing striking rods near the outlet end of the T-shaped communication pipe.

[0005] Preferably, the circumferential inner wall of the air suction barrel is fixed with a shaft holder near the large mouth of the trumpet pipe, and a short shaft is rotatably connected in the middle of the shaft holder, and a fan blade and a driven gear are fixed at both ends of the short shaft, respectively; the circumferential outer wall of the main transmission shaft is fixed with a driving gear which is meshed with the driven gear near the shaft holder, and the diameter of the driving gear is smaller than that of the driven gear; and the fan blade is located near the trumpet pipe.

[0006] Preferably, two opposite sides of the rear legs are respectively provided with symmetrically sliding rail grooves near the bottom end, and a same water tank is slidingly connected in the two sliding rail grooves; the two sides of the water tank are respectively fixed with horizontal and mutually parallel side sliding rails near the bottom end, and the side sliding rails are slidingly connected in the sliding rail grooves; and a jack is arranged on the top end of the water tank near the lower side of the T-shaped communication pipe, and the jack is used for inserting the suction pipe.

[0007] Preferably, the circumferential outer wall of the air suction barrel is provided with a plurality of center-symmetrically distributed air inlet holes, and the hole diameter of the air inlet hole is larger than the outer diameter of the suction pipe; and a counterweight ring is sleeved on the bottom end of the suction pipe, so that the bottom end of the suction pipe can always be located under the water surface, avoiding the phenomenon of air suction.

[0008] Preferably, the hole diameter of the jack is larger than the outer diameter of the suction pipe, and the upper surface of the water tank is provided with a water replenishing pipe opening away from the jack; and a cover with a hole is arranged on the water replenishing pipe opening; so as to ensure the balance of air pressure inside and outside the water tank, and make the suction pipe smoothly suck; and a motor holder is fixed between the upper side of the rear extension platform and the bottom of the main motor.

[0009] Preferably, the two opposite sides of the front legs are respectively provided with vertical anti-slip grooves, and a limiting pull rod is slidingly connected in each of the two anti-slip grooves; and a dust cover which is integrally arc-shaped downward is fixed between the top ends of the two limiting pull rods; and the dust cover is made of hard material.

[0010] Preferably, the distance between the arc-shaped part of the dust cover and the outer wall of the air suction barrel is the same everywhere; so as to improve the uniformity of airflow entering, avoid strong negative pressure suction force at a certain position, and improve the safety performance of the device.

[0011] Preferably, barrel fixing pads are fixed at the four corners of the groove bottom of the arc-shaped mounting groove; the barrel fixing pads are made of rubber material; and the barrel fixing pads can make the air suction barrel and the arc-shaped mounting groove fit more closely, and also have a certain damping effect.

[0012] Preferably, the centrifugal fan wheel comprises a bottom plate connected to the end of the main transmission shaft by a key, the bottom plate has a disc-shaped structure, and a plurality of centrifugal blades are symmetrically arranged on the side of the bottom plate close to the circumferential edge and close to the main motor; the single centrifugal blade has a tile-shaped structure, and all the centrifugal blades are fixed with the same impeller fixing frame on the side away from the bottom plate; the circular hole of the fixed side plate is fixed with an air guide ring inserted into the impeller fixing frame, so that more air flow is thrown away from the centrifugal blades, and the ventilation efficiency is improved.

[0013] Preferably, a plurality of arc-shaped sliding holes are formed in the bottom plate close to the circumferential edge, and the centrifugal blades are fixed with shaft rods one inserted into the arc-shaped sliding holes close to the arc-shaped sliding holes; the other end of the centrifugal blade is fixed with a positioning shaft rod two inserted into the bottom plate; the side surface of the shaft rod one is fixed with a compression spring, and the other end of the compression spring is fixed on the surface of the bottom plate close to the end of the arc-shaped sliding hole.

[0014] The beneficial effects in the application are: 1. The spray mechanism can increase the flow rate of the air flow entering the circular hole at the T-shaped communication pipe, thereby generating negative pressure and sucking water up and then spraying the water out of the outlet of the T-shaped communication pipe, and then the sprayed water is hit and atomized by the high-speed rotating atomizing hitting rod, and then the air flow is mixed with the air, which not only can humidify the air and reduce dust, but also can cool the centrifugal fan.

[0015] 2. The driven gear and the fan blade can make the air flow through the horn pipe more concentrated, improve the suction capacity of the T-shaped communication pipe, and the device for enhancing the suction capacity is derived by the rotation of the main transmission shaft, without additional power consumption, low failure rate and easy maintenance and cleaning.

[0016] 3. The dust cover that can slide up and down can filter large particles from the air to be sucked in during use, and can also protect against impact to some extent, and can prevent plastic bags from being sucked in.

[0017] 4. The centrifugal blades can be shaken by pulling, so that the dust on the centrifugal blades can be shaken off by pulling the centrifugal blades from the air outlet. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure of the high-pressure blower applied in the industrial dust removal field is shown in the schematic view of the application; Figure 2 The structure of the high-pressure blower applied in the industrial dust removal field is shown in the schematic view of the application; Figure 3A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 4 A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 5 A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 6 A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 7 A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 6 A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 8 A high-pressure blower applied in the field of industrial dust removal is provided in the application. Figure 9 A high-pressure blower applied in the field of industrial dust removal is provided in the application.

[0019] In the figure: 1, mounting rack; 101, rear extension platform; 102, arc-shaped mounting groove; 103, front leg; 104, anti-slip groove; 105, rear leg; 106, barrel fixing pad; 2, side slide rail; 3, water tank; 4, motor rack; 5, main motor; 6, main transmission shaft rod; 7, suction barrel; 701, air inlet hole; 8, dust cover; 9, fixed side plate; 901, air guide ring; 10, air outlet pipe; 11, fan cover; 12, limiting pull rod; 13, suction pipe; 14, horn pipe; 141, T-shaped communication pipe; 15, driving gear; 16, shaft rod rack; 17, short shaft rod; 18, driven gear; 19, atomization hitting rod; 20, centrifugal blade; 21, impeller fixing frame; 22, bottom plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, but not all the embodiments of the application.

[0021] In this embodiment, reference is made to Figures 1-9The utility model provides a high pressure blower applied in the field of industrial dust removal, including an integral installation frame 1, the installation frame 1 includes the rear extension platform 101 and the open upward arc installation groove 102 fixed together, and the rear extension platform 101 and the arc installation groove 102 constitute an installation platform, the lower surface of installation platform is fixed with two front legs 103 and two rear legs 105 respectively near four corners, the upper surface of rear extension platform 101 is provided with main motor 5, the arc installation groove 102 is fixed with the suction bucket 7 that opens away from main motor 5, and the bucket mouth of suction bucket 7 is fixed with fixed side plate 9, the middle of fixed side plate 9 is reserved with the round hole that is adapted to the bucket mouth of suction bucket 7, and the hole diameter is equal to the inner diameter of suction bucket 7, and the output shaft top of main motor 5 is fixed with main transmission shaft rod 6 through the shaft coupling, and main transmission shaft rod 6 is fixed with centrifugal fan wheel in turn through suction bucket 7 and round hole, the side edge of fixed side plate 9 is fixed with the fan cover 11 that covers centrifugal fan wheel away from suction bucket 7, and the circumferential edge of fan cover 11 is provided with the air outlet pipe 10, the spray mechanism is arranged in suction bucket 7, and the spray mechanism includes the horn tube 14 fixed in the inner wall of the bucket mouth of suction bucket 7, the small mouth of horn tube 14 faces the round hole, and the small mouth end of horn tube 14 is connected with T-shaped communicating pipe 141, and the vertical pipe bottom end of T-shaped communicating pipe 141 is connected with suction pipe 13, and the circumferential outer wall of main transmission shaft rod 6 is fixed with two center-symmetric distribution atomizing strike rods 19 near the export end of T-shaped communicating pipe 141, Specifically, through the setting of the spray mechanism, the airflow entering the round hole can have a large flow rate at the T-shaped communicating pipe 141, thereby generating a negative pressure and sucking water up and then spraying it out through the outlet of the T-shaped communicating pipe 141. The sprayed water is then atomized by the high-speed rotating atomizing strike rods 19 and mixed with the incoming airflow in the air, which not only humidifies the air and reduces dust but also cools the centrifugal fan wheel.

[0022] Referring to Figure 7 and Figure 9 , the circumferential inner wall of suction bucket 7 is fixed with the shaft rod holder 16 near the large mouth of horn tube 14, the middle of shaft rod holder 16 is rotatably connected with the short shaft rod 17, the two ends of short shaft rod 17 are respectively fixed with a fan blade and a driven gear 18, the circumferential outer wall of main transmission shaft rod 6 is fixed with a driving gear 15 that meshes with the driven gear 18 near the shaft rod holder 16, and the diameter of the driving gear 15 is smaller than that of the driven gear 18. The fan blade is located near the horn tube 14. Through the setting of the driven gear 18 and the fan blade, the airflow passing through the horn tube 14 can be more concentrated, improving the suction capacity of the T-shaped communicating pipe 141. This device that enhances the suction capacity is derived from the rotation of the main transmission shaft rod 6, without the need for additional electricity consumption, low failure rate, and easy maintenance and cleaning.

[0023] Referring to Figure 1 ,Figure 2 and Figure 9 , the opposite side of the two rear legs 105 close to the bottom end is provided with mutually symmetrical slide rail grooves, and the same water tank 3 is slidably connected in the two slide rail grooves, and the two sides of the water tank 3 close to the bottom end are respectively fixed with horizontal and mutually parallel side slide rails 2, and the side slide rails 2 are slidably connected in the slide rail grooves; the top end of the water tank 3 is close to the lower side of the T-shaped communication pipe 141 and is provided with a jack for inserting the suction pipe 13, so that the water tank 3 can be pulled out for water replenishment, and the water tank 3 does not occupy the protruding position during use, and is better embedded as a whole.

[0024] Referring to Figure 7 and Figure 9 , the circumferential outer wall of the suction bucket 7 is provided with a plurality of center-symmetrically distributed air inlet holes 701, and the hole diameter of the air inlet hole 701 is greater than the outer diameter of the suction pipe 13, and the bottom end of the suction pipe 13 is sleeved with a counterweight ball ring, so that the bottom end of the suction pipe 13 can always be located at the bottom of the water, avoiding the phenomenon of air suction.

[0025] Referring to Figure 5 and Figure 9 , the hole diameter of the jack is greater than the outer diameter of the suction pipe 13, and the upper surface of the water tank 3 away from the jack is provided with a water replenishment pipe opening, and the water replenishment pipe opening is provided with a hole cover; ensure that the air pressure inside and outside the water tank 3 is balanced, so that the suction pipe 13 can smoothly suck, and the upper side of the rear extension platform 101 and the bottom of the main motor 5 are fixed with a motor bracket 4.

[0026] Referring to Figure 1 , Figure 2 and Figure 5 , the two front legs 103 are provided with vertical anti-slip grooves 104 on the opposite sides, and the two anti-slip grooves 104 are slidably connected with limit pull rods 12, and the top ends of the two limit pull rods 12 are fixed with the same downwardly arc-shaped dust cover 8, and the dust cover 8 is made of hard material, and by setting the dust cover 8 which can slide up and down, the air to be sucked can be filtered once for large particles during use, and the dust cover 8 can also protect against impact to some extent, and prevent plastic bags from being sucked in.

[0027] Referring to Figure 1 and Figure 5 , the distance between the arc-shaped part of the dust cover 8 and the outer wall of the suction bucket 7 is the same everywhere, and by such arrangement, the uniformity of airflow entering can be improved, avoiding strong negative pressure suction force at a certain position, and improving the safety performance of the device.

[0028] Referring to Figure 5The bottom of the arc-shaped mounting groove 102 is fixed with a barrel fixing pad 106 near the four corners, and the barrel fixing pad 106 is made of rubber material. The barrel fixing pad 106 can make the suction barrel 7 more closely adhere to the arc-shaped mounting groove 102, and also has a certain damping effect.

[0029] Please refer to Figures 7-8 The centrifugal fan wheel includes a bottom plate 22 connected to the end of the main transmission shaft 6 by a key, the overall structure of the bottom plate 22 is disc-shaped, and a plurality of centrifugal blades 20 are symmetrically arranged at the side of the bottom plate 22 close to the main motor 5 and close to the circumferential edge. The single centrifugal blade 20 has a tile-shaped structure, and all the centrifugal blades 20 are fixed with the same impeller fixing frame 21 away from the side of the bottom plate 22. The circular hole of the fixed side plate 9 is fixed with an air guide ring 901 inserted into the impeller fixing frame 21. In this way, more air flow can be thrown out of the centrifugal impeller, improving the ventilation efficiency.

[0030] Please refer to Figures 7-8 The bottom plate 22 is provided with a plurality of arc-shaped sliding holes near the circumferential edge, and the centrifugal blades 20 are fixed with shaft rods one inserted into the arc-shaped sliding holes near the arc-shaped sliding holes. The other end of the centrifugal blade 20 is fixed with a positioning shaft rod two inserted into the bottom plate 22. The side surface of the shaft rod one is fixed with a compression spring, and the other end of the compression spring is fixed on the surface of the bottom plate 22 close to the end of the arc-shaped sliding hole. In this way, when the dust on the centrifugal blade 20 needs to be cleaned, the centrifugal blade 20 can be shaken to shake off the dust on its surface.

[0031] Working principle: before use, fill the water tank 3 with pure water, and then fix it under the rear extension platform 101. Then insert the suction pipe 13 into the corresponding jack, and make sure that the bottom end of the suction pipe 13 is immersed in the bottom of the water tank 3. Then start the main motor 5. At this time, the airflow will enter the suction barrel 7 through the dust cover 8 and the air inlet hole 701, and then will continue to be sucked into the middle of all the centrifugal blades 20 under the action of the high-speed rotating centrifugal fan wheel, and finally will be discharged from the air outlet 10. At the same time, through the setting of the driven gear 18 and the fan blade, the airflow passing through the horn pipe 14 can be more concentrated, improving the suction capacity of the T-shaped communication pipe 141. When the T-shaped communication pipe 141 is sucking, the spray mechanism is started, the water is sucked up and sprayed out of the outlet of the T-shaped communication pipe 141, and then under the action of the high-speed rotating atomizing impact rod 19, the sprayed water is atomized and impacted, and then mixed with the incoming airflow in the air. Not only can the air be humidified and dusted, but also the centrifugal fan wheel can be cooled.

[0032] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-pressure blower for industrial dust removal, comprising a mounting frame (1), the mounting frame (1) comprising a rear extension platform (101) fixed together and an upward-opening arc-shaped mounting groove (102), the rear extension platform (101) and the arc-shaped mounting groove (102) constituting a mounting platform, wherein two front legs (103) and two rear legs (105) are fixed near the four corners of the lower surface of the mounting platform, characterized in that, The upper surface of the rear extension platform (101) is provided with a main motor (5). An exhaust duct (7) with an opening away from the main motor (5) is fixed in the arc-shaped mounting groove (102). A fixed side plate (9) is fixed at the opening of the exhaust duct (7). A round hole adapted to the opening of the exhaust duct (7) is reserved in the middle of the fixed side plate (9). The top of the output shaft of the main motor (5) is fixed with a main drive shaft (6) through a coupling. The main drive shaft (6) passes through the exhaust duct (7) and the round hole in sequence and is fixed with a centrifugal impeller. A centrifugal impeller is fixed at the edge of the fixed side plate (9) away from the exhaust duct (7). The fan cover (11) is provided with an air outlet (10) at the circumferential edge of the fan cover (11); the exhaust tube (7) is provided with a spray mechanism, and the spray mechanism includes a horn tube (14) fixed to the inner wall of the exhaust tube (7) opening. The small opening of the horn tube (14) faces the round hole, and the small opening end of the horn tube (14) is connected to a T-shaped connecting tube (141), and the bottom end of the vertical tube of the T-shaped connecting tube (141) is connected to a suction tube (13); the outer circumferential wall of the main drive shaft (6) near the outlet end of the T-shaped connecting tube (141) is fixed with two atomizing striking rods (19) that are centrally symmetrically distributed.

2. The high-pressure blower for industrial dust removal as described in claim 1, characterized in that, A shaft bracket (16) is fixed on the inner circumference of the exhaust duct (7) near the large opening of the horn tube (14), and a short shaft (17) is rotatably connected in the middle of the shaft bracket (16). A fan blade and a driven gear (18) are fixed at both ends of the short shaft (17). A drive gear (15) that meshes with the driven gear (18) is fixed on the outer circumference of the main drive shaft (6) near the shaft bracket (16), and the diameter of the drive gear (15) is smaller than the diameter of the driven gear (18). The fan blade is located on the side near the horn tube (14).

3. A high-pressure blower for industrial dust removal as described in claim 1, characterized in that, The two hind legs (105) have symmetrical sliding rail grooves on opposite sides near the bottom, and the same water tank (3) is slidably connected in the two sliding rail grooves. The water tank (3) has horizontal and parallel side sliding rails (2) fixed on both sides near the bottom, and the side sliding rails (2) are slidably connected in the sliding rail grooves. The top of the water tank (3) has an insertion hole near the bottom of the T-shaped connecting pipe (141) for inserting a suction pipe (13).

4. A high-pressure blower for industrial dust removal as described in claim 1, characterized in that, The outer circumferential wall of the exhaust duct (7) has multiple air inlets (701) that are centrally symmetrically distributed, and the diameter of the air inlets (701) is larger than the outer diameter of the suction pipe (13). The bottom end of the suction pipe (13) is fitted with a counterweight ball ring.

5. A high-pressure blower for industrial dust removal as described in claim 3, characterized in that, The diameter of the insertion hole is larger than the outer diameter of the suction pipe (13), and a water supply pipe is provided on the upper surface of the water tank (3) away from the insertion hole. A cover with holes is provided on the water supply pipe. A motor frame (4) is fixed between the upper part of the rear extension platform (101) and the bottom of the main motor (5).

6. A high-pressure blower for industrial dust removal as described in claim 1, characterized in that, Vertical anti-slip grooves (104) are opened on both opposite sides of the two front legs (103), and limit rods (12) are slidably connected in both anti-slip grooves (104). A dust cover (8) with the same downward opening and an overall arc structure is fixed between the top ends of the two limit rods (12). The dust cover (8) is made of hard material.

7. A high-pressure blower for industrial dust removal as described in claim 6, characterized in that, The distance between the lower surface of the arc-shaped portion of the dust cover (8) and the outer wall of the exhaust duct (7) is the same everywhere.

8. A high-pressure blower for industrial dust removal as described in claim 1, characterized in that, The bottom of the arc-shaped mounting groove (102) is fixed with a barrel fixing pad (106) near the four corners. The barrel fixing pad (106) is made of rubber material.

9. A high-pressure blower for industrial dust removal as described in claim 1, characterized in that, The centrifugal impeller includes a base plate (22) keyed to the end of the main drive shaft (6). The base plate (22) has a disc-shaped structure. On the side of the base plate (22) near the main motor (5), there are multiple centrifugal blades (20) arranged in a centrally symmetrical manner near the circumferential edge. Each centrifugal blade (20) has a tile-shaped structure. All centrifugal blades (20) are fixed to the same impeller fixing frame (21) on the side away from the base plate (22). An air-guiding ring (901) inserted into the impeller fixing frame (21) is fixed in the round hole of the fixed side plate (9).

10. A high-pressure blower for industrial dust removal as described in claim 9, characterized in that, The base plate (22) has multiple arc-shaped sliding holes near its circumferential edge, and the centrifugal blade (20) is fixed with a shaft rod 1 inserted into the arc-shaped sliding hole near the arc-shaped sliding hole. The other end of the centrifugal blade (20) is fixed with a positioning shaft rod 2 inserted into the base plate (22). A compression spring is fixed on the side of the shaft rod 1, and the other end of the compression spring is fixed on the surface of the base plate (22) near the end of the arc-shaped sliding hole.

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