High-pressure centrifugal induced draft fan for dust removal system

Abstract

The utility model relates to the technical field of induced draft fans, in particular to a high-pressure centrifugal induced draft fan for a dust removal system, which comprises a machine body, a connecting cylinder is arranged on the front side of the machine body, a filtering device is arranged on the front side of the connecting cylinder, and a fixing mechanism is fixedly connected to the outer side of the filtering device. The front side of the inner side of the filtering device is in threaded connection with a protective cover, and the right side of the machine body is fixedly connected with an air outlet pipe. According to the filtering device, the fixing mechanism and the connecting cylinder are arranged, so that the filtering device can be conveniently disassembled and assembled, the filtering device is aligned to the connecting cylinder and gradually gets close to the connecting cylinder, the filtering device is attached to the connecting cylinder, the clamping block can be clamped into the clamping groove, and then the filtering device is fixed to the connecting cylinder; by rotating the fixed shell, the clamping block can move to the middle of the outer side of the fixed block along the inclined surface of the fixed block, so that the filtering device can be taken down, the disassembly and assembly are relatively convenient, and dust in the filtering device is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan technology field especially relates to a high pressure centrifugal induced draft fan for dust removal system. BACKGROUND

[0002] Centrifugal induced draft fan is relied on the input mechanical energy, improves the gas pressure and sends away the gas machine, it is a driven fluid machine, centrifugal induced draft fan is widely used in factory, mine, tunnel, cooling tower, vehicle, ship and building ventilation, dust removal and cooling, in the factory many materials need to be ground into the powder with very small particle size, then mix with other materials stirring to make finished product, the powder raw material is easy to float to the air, resulting in the workshop air quality reduces, needs to use the dust removal system to filter the powder in the workshop air, and the dust removal system is generally centrifugal induced draft fan.

[0003] The existing high pressure centrifugal induced draft fan for dust removal system when filtering the powder particles in the air, with its filtering time growth, its filtering part can accumulate too much dust, needs to be disassembled and cleaned, then is fixed and continues to use, the filtering part is generally fixed by bolt, needs to use external tool to disassemble and install, reduces the dismounting efficiency. UTILITARIAN CONTENT

[0004] Therefore, the utility model provides a high pressure centrifugal induced draft fan for dust removal system mainly solves the technical problem that the filtering part of the high pressure centrifugal induced draft fan for dust removal system cannot be quickly disassembled and assembled due to the bolt fixing mode.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a high pressure centrifugal induced draft fan for dust removal system, including the body, the front side of body is placed with the connecting barrel, the front side of connecting barrel is placed with the filter device, the outer side of filter device is fixedly connected with the fixed mechanism, the front side of filter device inner side is screw thread connection with the protective cover, the right side of body is fixedly connected with the air outlet pipe, the fixed mechanism includes the fixed column fixedly connected in filter device outer side, the inside of fixed column is movably connected with the limit board, the fixed column and fixed column between fixedly connected with first spring, the lower part of limit board is fixedly connected with the clamping block.

[0006] Through adopting above technical scheme, when fixing, make filter device align with connecting barrel and gradually close to it, with constantly close to make clamping block can contact connecting barrel, and make clamping block can shrink into fixed column through extrusion, when filter device completely adhere on connecting barrel, clamping block aligns with clamping slot, and make clamping block clamped into clamping slot under the action of first spring, further make filter device be fixed on connecting barrel.

[0007] As a further description of the above technical solution: the body includes a shell, the right side of the outer side of the shell is provided with an air outlet, the rear side of the inner side of the shell is movably connected with a driving shaft, the front end of the driving shaft is fixedly connected with an impeller, and the front side of the shell is provided with a screw groove.

[0008] By adopting the above technical scheme, the air outlet is used for air exhaust, the inner side of the impeller is provided with a plurality of blades, the generated pressure when rotating is ensured to be larger, the screw groove is used for screwing in the bolt, and the fixing of the connecting barrel is achieved.

[0009] As a further description of the above technical solution: the connecting barrel includes a barrel body placed on the front side of the shell, the inner side of the barrel body is threadedly connected with a bolt, the outer side of the barrel body is provided with a clamping groove, the outer side of the barrel body is fixedly connected with a fixed block, and the rear side of the barrel body is fixedly connected with a sealing gasket.

[0010] By adopting the above technical scheme, the fixed column can be rotated by rotating the fixed shell, so that the clamping block can be rotated in the clamping groove. By continuously rotating, the clamping block can contact the fixed block, and by extruding, the clamping block can be retracted into the interior of the fixed column. At the same time, the clamping block can move along the inclined surface of the fixed block. By continuously moving, the clamping block can be moved to the middle outside the fixed block, so that the filter device can be taken down, which is convenient for disassembly and cleaning of the accumulated dust inside.

[0011] As a further description of the above technical solution: the filter device includes a fixed shell placed on the front side of the connecting barrel, the inner side of the fixed shell is fixedly connected with a dust collection bag, the inner side of the fixed shell is movably connected with a top sleeve, the rear side of the top sleeve is fixedly connected with a sealing sleeve, and the fixed shell and the top sleeve are fixedly connected with a second spring.

[0012] By adopting the above technical scheme, when the fixed shell gradually approaches the connecting barrel, the sealing sleeve will first contact the connecting barrel. By continuously approaching, the top sleeve and the sealing sleeve will be retracted into the fixed shell, so that they can extrude the second spring. The second spring will generate a reverse force when extruded, so that the top sleeve can be more closely attached to the connecting barrel, thereby ensuring better sealing between the connecting barrel and the filter device.

[0013] As a further description of the above technical solution: the protective cover includes a fixed frame threadedly connected to the inner side of the front side of the fixed shell, the outer side of the fixed frame is provided with an anti-skid groove, and the inner side of the fixed frame is fixedly connected with a protective net.

[0014] By adopting the technical scheme, the protective cover can be fixed on the fixed shell by screwing the fixed frame, and can be disassembled by reverse rotation, thereby facilitating the cleaning of dust in the dust collecting bag of the filtering device, the protective net has a certain protection effect, and ensures that objects with a large size cannot enter the filtering device.

[0015] As a further description of the above technical scheme: the air outlet pipe comprises a pipe body fixedly connected to the right side of the shell, and a connecting sleeve is fixedly connected to the right side of the outer side of the pipe body.

[0016] By adopting the technical scheme, the fixed hole can be connected with external equipment.

[0017] By adopting the above technical scheme, the high-pressure centrifugal induced draft fan for a dust removal system has at least the following beneficial effects:

[0018] Compared with the prior art, the high-pressure centrifugal induced draft fan for a dust removal system has the following advantages: the fixed mechanism and the connecting cylinder are arranged, which facilitates the disassembly and assembly of the filtering device; during use, the cylinder body is fixed on the machine body by using bolts, then the filtering device is aligned with the connecting cylinder and gradually approaches the connecting cylinder; as the filtering device continuously approaches the connecting cylinder, the clamping block can contact the connecting cylinder, and by extrusion, the clamping block can be retracted into the fixed column; when the filtering device is completely attached to the connecting cylinder, the clamping block is aligned with the clamping groove, and under the action of the first spring, the clamping block is clamped into the clamping groove, thereby fixing the filtering device on the connecting cylinder; during disassembly, the fixed column can be rotated by rotating the fixed shell, thereby enabling the clamping block to rotate in the clamping groove; by continuously rotating, the clamping block can contact the fixed block, and by extrusion, the clamping block can retract into the fixed column; at the same time, the clamping block can move along the inclined surface of the fixed block; by continuously moving, the clamping block can be moved to the middle of the outside of the fixed block, thereby enabling the filtering device to be removed, which is convenient for disassembly and cleaning of accumulated dust inside. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a kind of high-pressure centrifugal induced draft fan for dust removal system of overall structure schematic diagram for the utility model proposes;

[0020] Figure 2 The utility model provides a kind of high-pressure centrifugal induced draft fan for dust removal system of machine body section structure schematic diagram for the utility model proposes;

[0021] Figure 3 The utility model provides a kind of high-pressure centrifugal induced draft fan for dust removal system of connecting cylinder section structure schematic diagram for the utility model proposes;

[0022] Figure 4A cross section structure schematic view of the fixing mechanism of the high-pressure centrifugal induced draft fan for dust removal system is provided in the utility model.

[0023] Figure 5 A cross section structure schematic view of the filtering device of the high-pressure centrifugal induced draft fan for dust removal system is provided in the utility model.

[0024] Figure 6 An enlarged structure schematic view of the A part of the high-pressure centrifugal induced draft fan for dust removal system is provided in the utility model.

[0025] Legend: 1, machine body; 101, machine shell; 102, air outlet; 103, screw groove; 104, impeller; 105, driving shaft; 2, connecting cylinder; 201, cylinder body; 202, clamping groove; 203, fixed block; 204, sealing gasket; 205, bolt; 3, fixing mechanism; 301, fixed column; 302, clamping block; 303, limiting plate; 304, first spring; 4, filtering device; 401, fixed shell; 402, dust collection bag; 403, second spring; 404, sealing sleeve; 405, top sleeve; 5, protective cover; 501, fixed frame; 502, anti-skid groove; 503, protective net; 6, air outlet pipe; 601, pipe body; 602, connecting sleeve; 603, fixed hole. DETAILED DESCRIPTION

[0026] The utility model will be further explained in combination with the drawings and specific embodiments to help understanding the contents of the utility model. The method used in the utility model is conventional method if no special provision is made; the raw materials and devices used are conventional market products if no special provision is made.

[0027] Reference Figures 1-6The utility model provides a high pressure centrifugal induced draft fan for dust removal system, including body 1, the front side of body 1 is placed with connecting barrel 2, the front side of connecting barrel 2 is placed with filter device 4, the outside fixed connection of filter device 4 has fixed mechanism 3, the front side screw thread connection of filter device 4 inside has protective cover 5, the right side fixed connection of body 1 has air outlet pipe 6, fixed mechanism 3 includes the fixed post 301 of fixed connection in the outside of filter device 4, fixed post 301 is pasted with connecting barrel 2, the inside movable joint of fixed post 301 has stop plate 303, stop plate 303 can lift in the inside of fixed post 301, first spring 304 is fixedly connected between fixed post 301 and fixed post 301, the lower part fixed connection of stop plate 303 has clamping block 302, the rear side and left and right sides of clamping block 302 are all set to circular arc, when fixed, make filter device 4 align connecting barrel 2 and gradually close to it, with constantly close to make clamping block 302 can contact connecting barrel 2, and by extruding make clamping block 302 can shrink into fixed post 301, when filter device 4 is completely pasted on connecting barrel 2, clamping block 302 aligns clamping groove 202, and under the action of first spring 304 make clamping block 302 enter clamping groove 202, further make filter device 4 be fixed on connecting barrel 2.

[0028] Further, the body 1 includes a housing 101, the right side of the outside of the housing 101 is provided with an air outlet 102, the air outlet 102 is used for air exhaust, the rear side of the inside of the housing 101 is movably connected with a drive shaft 105, the front end of the drive shaft 105 is fixedly connected with an impeller 104, the inside of the impeller 104 is provided with a plurality of blades, to ensure that the pressure generated when rotating is larger, the front side of the housing 101 is provided with a screw groove 103, the screw groove 103 is used for the screwing of a bolt 205, for the fixation of the connecting barrel 2.

[0029] Further, the connecting cylinder 2 comprises a cylinder body 201 placed on the front side of the shell 101, the inside of the cylinder body 201 is threadedly connected with a bolt 205, by pasting the cylinder body 201 on the front side of the shell 101 and aligning the bolt 205 with the screw groove 103, the connecting cylinder 2 can be fixed on the machine body 1 by screwing the bolt 205, the outside of the cylinder body 201 is provided with a clamping groove 202 for clamping the clamping block 302, the clamping groove 202 is a circular ring structure, so that the position of the clamping block 302 can be changed when clamped, facilitating the fixation of the filter device 4, the outside of the cylinder body 201 is fixedly connected with a fixing block 203, the rear side of the cylinder body 201 is fixedly connected with a sealing gasket 204, the sealing gasket 204 is used to ensure the sealing between the shell 101 and the cylinder body 201, the two sides of the fixing block 203 are obliquely arranged, and the middle of the outside of the fixing block 203 is matched with the outside of the connecting cylinder 2, so as to ensure that the clamping block 302 can slide through the middle of the outside of the fixing block 203 to the front side of the outside of the cylinder body 201, by rotating the fixing shell 401, the fixing column 301 can be rotated, and then the clamping block 302 can be rotated in the clamping groove 202, by continuously rotating, the clamping block 302 can contact the fixing block 203, and by extruding, the clamping block 302 can retract into the inside of the fixing column 301, at the same time, the clamping block 302 can move along the inclined surface of the fixing block 203, by continuously moving, the clamping block 302 can move to the middle of the outside of the fixing block 203, and then the filter device 4 can be taken off, which is convenient for disassembly and cleaning of the accumulated dust inside.

[0030] Further, the filter device 4 comprises a fixing shell 401 placed on the front side of the connecting cylinder 2, the inside of the fixing shell 401 is fixedly connected with a dust collecting bag 402, the dust collecting bag 402 is used to filter the dust in the air, and the air can pass through the dust collecting bag 402, the inside of the fixing shell 401 is movably connected with a top sleeve 405, the top sleeve 405 can move in the inside of the fixing shell 401, the rear side of the top sleeve 405 is fixedly connected with a sealing sleeve 404, the fixing shell 401 and the top sleeve 405 are fixedly connected with a second spring 403, when the fixing shell 401 gradually approaches the connecting cylinder 2, the sealing sleeve 404 will first contact the connecting cylinder 2, and by continuously approaching, the top sleeve 405 and the sealing sleeve 404 will retract into the fixing shell 401, and then the second spring 403 can be extruded, the second spring 403 will generate a reverse force when extruded, and then the top sleeve 405 can be more closely attached to the connecting cylinder 2, and then the sealing between the connecting cylinder 2 and the filter device 4 is better.

[0031] Further, the protective cover 5 includes a fixed frame 501 threadedly connected to the inside front side of the fixed shell 401, the outside of the fixed frame 501 is provided with an anti-skid groove 502, by screwing the fixed frame 501, the protective cover 5 can be fixed on the fixed shell 401, and by reversing the rotation, it is convenient to disassemble it, and then it is convenient to clean the dust in the dust collecting bag 402 in the filtering device 4, the inside of the fixed frame 501 is fixedly connected with a protective net 503, the protective net 503 has a certain protection effect, which ensures that the objects with large volume from outside cannot enter the filtering device 4.

[0032] Further, the air outlet pipe 6 includes a pipe body 601 fixedly connected to the right side of the shell 101, the right side of the outside of the pipe body 601 is fixedly connected with a connecting sleeve 602, the inside of the connecting sleeve 602 is provided with a fixed hole 603, which can be connected with external equipment through the fixed hole 603.

[0033] Working principle: when in use, the cylinder 201 is fixed on the machine body 1 by using the bolt 205, then the filtering device 4 is aligned with the connecting cylinder 2 and gradually approaches it, as it continuously approaches, the clamping block 302 can contact the connecting cylinder 2, and by extrusion, the clamping block 302 can be retracted into the fixed column 301, when the filtering device 4 is completely attached to the connecting cylinder 2, the clamping block 302 is aligned with the clamping groove 202, and under the action of the first spring 304, the clamping block 302 is clamped into the clamping groove 202, and then the filtering device 4 is fixed on the connecting cylinder 2, the rotation of the impeller 104 causes the inside of the shell 101 to generate negative pressure instantaneously, so that the air from outside can continuously enter the shell 101 through the protective cover 5, the filtering device 4 and the connecting cylinder 2, and be discharged through the air outlet pipe 6, when the air passes through the dust collecting bag 402 in the filtering device 4, the dust in the air will be blocked, so that the dust in the air can be separated out, and when the dust in the dust collecting bag 402 accumulates to a certain extent, by rotating the fixed shell 401, the fixed column 301 can be rotated, and then the clamping block 302 can be rotated in the clamping groove 202, by continuously rotating, the clamping block 302 can contact the fixed block 203, and by extrusion, the clamping block 302 can be retracted into the inside of the fixed column 301, at the same time, the clamping block 302 can move along the inclined surface of the fixed block 203, by continuously moving, the clamping block 302 can be moved to the middle outside of the fixed block 203, and then the filtering device 4 can be removed, which is convenient to disassemble and clean the accumulated dust inside.

[0034] In the description of the utility model, need understanding is, the term "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "intermediate" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a specific orientation, a specific orientation structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0035] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of the utility model, so the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent should still belong to the scope covered by the claims of the utility model.

Claims

1. A high-pressure centrifugal induced draft fan for a dust removal system, comprising a body (1), characterized in that: A connecting cylinder (2) is placed on the front side of the body (1), and a filter device (4) is placed on the front side of the connecting cylinder (2). A fixing mechanism (3) is fixedly connected to the outside of the filter device (4). A protective cover (5) is threadedly connected to the front side of the inside of the filter device (4). An air outlet pipe (6) is fixedly connected to the right side of the body (1). The fixing mechanism (3) includes a fixing column (301) fixedly connected to the outside of the filter device (4). A limiting plate (303) is movably connected inside the fixing column (301). A first spring (304) is fixedly connected between the fixing column (301) and the fixing column (302). A locking block (302) is fixedly connected to the lower part of the limiting plate (303).

2. The high-pressure centrifugal induced draft fan for a dust removal system according to claim 1, characterized in that: The body (1) includes a housing (101), an air outlet (102) is provided on the right side of the outer side of the housing (101), a drive shaft (105) is movably connected to the rear side inside the housing (101), an impeller (104) is fixedly connected to the front end of the drive shaft (105), and a screw groove (103) is provided on the front side of the housing (101).

3. The high-pressure centrifugal induced draft fan for a dust removal system according to claim 1, characterized in that: The connecting cylinder (2) includes a cylinder (201) placed on the front side of the housing (101), with bolts (205) threaded inside the cylinder (201), a slot (202) on the outer side of the cylinder (201), a fixing block (203) fixedly connected to the outer side of the cylinder (201), and a sealing gasket (204) fixedly connected to the rear side of the cylinder (201).

4. A high-pressure centrifugal induced draft fan for a dust removal system according to claim 1, characterized in that: The filter device (4) includes a fixed shell (401) placed in front of the connecting cylinder (2), a dust collection bag (402) is fixedly connected to the inner side of the fixed shell (401), a top sleeve (405) is movably connected inside the fixed shell (401), a sealing sleeve (404) is fixedly connected to the rear side of the top sleeve (405), and a second spring (403) is fixedly connected between the fixed shell (401) and the top sleeve (405).

5. A high-pressure centrifugal induced draft fan for a dust removal system according to claim 1, characterized in that: The protective cover (5) includes a fixed frame (501) threadedly connected to the front side of the inner side of the fixed shell (401), the outer side of the fixed frame (501) is provided with an anti-slip groove (502), and the inner side of the fixed frame (501) is fixedly connected with a protective net (503).

6. A high-pressure centrifugal induced draft fan for a dust removal system according to claim 1, characterized in that: The air outlet pipe (6) includes a pipe body (601) fixedly connected to the right side of the housing (101), and a connecting sleeve (602) fixedly connected to the right side of the outer side of the pipe body (601), and a fixing hole (603) is provided inside the connecting sleeve (602).

Images